Printing device and method for high-count and high-density pure cotton fabric

Abstract

The invention relates to the field of fabric printing processing, in particular to a printing device and method for high-count and high-density pure cotton fabric. The printing device for the high-count and high-density pure cotton fabric comprises a printing device body, a conveying frame arranged on one side of the printing device body, a drying unit and a color fixing unit and further comprises a pipeline structure located between the drying unit and the color fixing unit, wherein the drying unit and the color fixing unit are installed on the conveying frame; the printing device comprises a main body, two printing rollers which are distributed up and down are arranged in the main body, and an adjusting piece is further arranged; the drying unit comprises a plurality of nozzles obliquely pointing to the upper portion of the conveying frame. The color fixing unit comprises two heating rollers, and the two heating rollers are wrapped with a closed shell. According to the printing device and method for the high-count and high-density pure cotton fabric, the fabric can be dried and subjected to color fixation at the first time after printing, and the printing processing quality of the fabric is improved; meanwhile, energy utilization can be improved, the energy-saving effect is achieved, and printing processing of the fabric is better facilitated.

Description

Technical Field

[0001] The invention relates to the field of fabric printing processing, in particular to a printing device and method for high-count and high-density pure cotton fabrics. Background Art

[0002] High count and high density fabrics refer to textiles with high yarn count and high fabric density. Specifically, high count refers to finer yarns, usually cotton yarn counts above 60, or even up to 120 or more. Fabrics made from such yarns have a fine texture and a soft feel. High density refers to the large number of warp and weft yarns per unit area of ​​the fabric, which are arranged closely, making the fabric more compact and thick, with good wear resistance and drape.

[0003] In order to further improve the aesthetics and functionality of fabrics, roller printing machines are generally used for printing during fabric processing. However, traditional roller printing machines cannot directly dry and fix the printed dyes after printing, which makes it easy for the dyes to penetrate and diffuse, causing unpredictable changes in the printed patterns and destroying the aesthetics of the patterns.

[0004] Therefore, it is necessary to provide a new printing device and method for high-count and high-density pure cotton fabrics to solve the above technical problems. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a printing device and method for high-count and high-density pure cotton fabrics.

[0006] The printing device for high-count and high-density pure cotton fabric provided by the present invention comprises a printing device, a transmission frame arranged on one side of the printing device, a drying unit and a color fixing unit installed on the transmission frame, and further comprises:

[0007] A pipeline structure located between the drying unit and the color fixing unit and used for introducing the temperature generated by the color fixing unit into the drying unit;

[0008] The printing device comprises a main body, in which two printing rollers are arranged vertically and horizontally, and an adjusting member is arranged which can be raised and lowered to adjust the distance between one of the printing rollers and the other printing roller;

[0009] The drying unit comprises a plurality of nozzles obliquely pointing above the transmission rack, and the nozzles are used to spray airflow with temperature;

[0010] The color fixing unit comprises two heating rollers which are arranged up and down and spaced in the middle for passing the fabric, and the two heating rollers are covered with a sealing shell for locking the heat energy;

[0011] The pipeline structure comprises a mounting pipe, the outer circumferential wall of the mounting pipe is provided with an air inlet pipe and an air outlet pipe, the air inlet pipe is connected to the interior of the closed shell, and the air outlet pipe is connected to the nozzle;

[0012] A self-cleaning filter element for intercepting fabric fibers is also installed inside the installation tube.

[0013] Preferably, a first positioning frame is fixed to the inner side of the main body, and one of the printing rollers rotates on the first positioning frame;

[0014] The adjusting member comprises a hydraulic cylinder fixed on the first positioning frame, a liftable mounting seat is fixed on the output end of the hydraulic cylinder, and the other printing roller rotates on the mounting seat, so as to reasonably adjust the distance between the two printing rollers for fabrics of different thicknesses.

[0015] Preferably, the drying unit also includes a first tripod fixed to the side of the transmission frame, a first mounting frame is vertically fixed to the upper end of the first tripod, a mounting plate spanning the top of the transmission frame is fixed on the first mounting frame, two air pumps are symmetrically fixed to the upper end of the mounting plate away from the center, the air inlet end of the air pump is connected to the air outlet pipe, the air pump is used to extract the heat energy locked inside the closed shell, and the air outlet end is connected to the conduit installed on the mounting plate, and the air inlet end of the nozzle is connected to the conduit through a tee.

[0016] Preferably, the color fixing unit further comprises a second stand fixed to the side of the transmission frame, the second mounting frame is vertically fixed to the upper end of the second stand, the heating roller rotates on the second stand, and the sealing shell is fixed on the second stand.

[0017] Preferably, a through hole for passing the fabric is opened on the side of the closed shell at a position corresponding to the interval between the two heating rollers, and the through hole also serves as an air inlet of the closed shell to balance the air pressure inside the closed shell.

[0018] Preferably, the inner wall of the closed shell is also provided with a heat-insulating material, and the heat-insulating material is rock wool.

[0019] Preferably, both ends of the mounting tube are not closed, and an annular retaining ring is provided on the circumferential inner wall of the mounting tube, and a silicone pad is provided on the side of the retaining ring.

[0020] Preferably, the self-cleaning filter element comprises a first cover and a second cover for closing openings at both ends of the mounting tube;

[0021] The first cover inner cover plate is fixed with a second positioning frame inserted into the mounting tube, the other end of the second positioning frame is fixed with a ring plate, a hemispherical filter screen for intercepting fabric fibers is fixed on the other side of the ring plate, a first transmission shaft connected with a bearing passes through the filter screen, an impeller is arranged on the first transmission shaft and located downstream of the filter screen, and the impeller is used to convert the kinetic energy of gas flow into kinetic energy for driving the first transmission shaft to rotate;

[0022] The second cover inner cover plate is fixed with a third positioning frame inserted into the mounting tube, the third positioning frame is connected with a second transmission shaft by a bearing, one end of the second transmission shaft is fixed with a connecting seat, and the second transmission shaft is detachably connected to the first transmission shaft through the connecting seat to form a complete rotating shaft, and a plurality of annularly distributed brush plates are also fixed to the circumferential outer wall of the connecting seat, the brush plates can directly contact the filter screen and scrape off the fabric fibers attached to the filter screen during rotation.

[0023] Preferably, a hexagonal plug is fixed at one end of the first transmission shaft, and a hexagonal slot adapted to the hexagonal plug is provided on one side of the connecting seat, so that the first transmission shaft and the second transmission shaft are fixed by plugging;

[0024] When the first sealing cover is fixed on the mounting tube, the ring plate for mounting the filter screen presses against the silicone pad on the side of the retaining ring.

[0025] The printing method of the high-count and high-density pure cotton fabric printing device comprises:

[0026] S1, printing the fabric through the printing roller, and the printed fabric is transported through the transmission frame, and the fabric passes through the drying unit, the through-hole on the side of the closed shell, and the gap between the two heating rollers;

[0027] S2, preferably turning on the heating roller in the color fixing unit, after the heating roller completes heating, the radiated heat will be concentrated inside the closed shell, and then the air pump is turned on to extract the heat inside the closed shell, so that the fabric can be transported;

[0028] S3, the nozzle sprays out a hot air flow, which acts on the fabric to achieve preliminary drying of the fabric and prevent the dye from penetrating and diffusing;

[0029] S4. The heating roller directly fixes the fabric at high temperature to enhance the firmness between the fabric and the dye. At the same time, the heat radiated by the heating roller is continuously supplied to the drying unit.

[0030] Compared with the related art, the printing device and method for high-count and high-density pure cotton fabric provided by the present invention have the following beneficial effects:

[0031] It can dry and fix the fabric immediately after printing, thus improving the quality of fabric printing processing; at the same time, it can improve the utilization of energy, save energy, and is more conducive to the printing processing of fabrics. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 A schematic structural diagram of a preferred embodiment of a printing device and method for high-count and high-density pure cotton fabric provided by the present invention;

[0033] Figure 2 It is a structural schematic diagram of the printing device shown in the present invention;

[0034] Figure 3 It is a structural schematic diagram of the adjusting member shown in the present invention;

[0035] Figure 4 The present invention shows Figure 1 A schematic diagram of the local structure;

[0036] Figure 5 The present invention shows Figure 4 A schematic diagram of the local structure;

[0037] Figure 6 It is a structural schematic diagram of a drying unit shown in the present invention;

[0038] Figure 7 It is a structural schematic diagram of the color fixing unit shown in the present invention;

[0039] Figure 8 It is a schematic diagram of the structure of the pipeline structure and the self-cleaning filter element shown in the present invention;

[0040] Fig. 9 The present invention shows Figure 8 A is an enlarged schematic diagram of the structure.

[0041] Numbers in the figure: 1, printing device; 11, main body; 12, first positioning frame; 13, printing roller; 14, adjusting member; 141, hydraulic cylinder; 142, mounting seat; 2, transmission frame; 3, drying unit; 31, first foot frame; 32, first mounting frame; 33, mounting plate; 34, air pump; 35, conduit; 36, nozzle; 4, color fixing unit; 41, second foot frame; 42, second mounting frame; 43, heating roller; 44 , closed shell; 5, pipeline structure; 51, mounting pipe; 52, air inlet pipe; 53, air outlet pipe; 54, retaining ring; 6, self-cleaning filter element; 61, first cover; 62, second positioning frame; 63, filter screen; 64, first transmission shaft; 65, impeller; 66, hexagonal plug; 67, second cover; 68, third positioning frame; 69, second transmission shaft; 610, connecting seat; 611, brush plate; 612, hexagonal slot. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0043] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0044] See also Figures 1 to 9 , a printing device for high-count and high-density pure cotton fabric provided in an embodiment of the present invention, the printing device for high-count and high-density pure cotton fabric comprises a printing device 1 and a transmission frame 2 located at one side of the printing device 1;

[0045] The printing device 1 has two printing rollers 13 distributed up and down, and also has an adjusting member 14 for adjusting the distance between the two printing rollers 13;

[0046] A drying unit 3 and a color fixing unit 4 are installed on the transmission frame 2 . The drying unit 3 and the color fixing unit 4 are connected via a pipeline structure 5 . A self-cleaning filter 6 is also provided in the pipeline structure 5 .

[0047] It should be noted that: the device is mainly a roller printing machine, and a printing roller 13 for embossing is provided in the printing device 1 to print the fabric, and the fabric after printing is transported through the transmission frame 2;

[0048] The adjusting member 14 is provided for the printing roller 13, and is used to install and adjust the printing roller 13 located above, so as to change the distance between the printing roller 13 and another printing roller 13, and the specific adjustment is determined according to the thickness of the fabric itself, so as to improve the contact effect between the printing roller 13 and the fabric and improve the quality of printing;

[0049] The drying unit 3 and the color fixing unit 4 are both used for drying the dye. First, the dye is dried by the drying unit 3 to avoid the penetration and diffusion of the dye, which can improve the quality of printing. The color fixing unit 4 further heats the dye to improve the firmness of the dye on the fabric, prevent the dye from fading or migrating under conditions such as washing, friction, and light, and further improve the processing quality of the fabric.

[0050] The temperature required for color fixing is relatively high, between 100°C and 180°C, while the temperature required for drying is relatively low, between 80°C and 150°C. The temperature generated by the color fixing unit 4 will radiate, which will cause heat waste. In view of this, the color fixing unit 4 can lock the radiated heat, and the drying unit 3 extracts the locked heat through the pipeline structure 5 for drying the dye, so the device will be more energy-efficient;

[0051] In the process of extracting heat from the color fixing unit 4, it is also easy to extract the fibers on the fabric. In order to avoid blockage, a self-cleaning filter 6 is arranged in the pipeline structure 5. The self-cleaning filter 6 can intercept and concentrate the fabric fibers, thereby ensuring the normal operation of the pipeline structure 5 and facilitating subsequent cleaning.

[0052] In the embodiments of the present invention, please refer to Figure 2 and Figure 3 The printing device 1 comprises a main body 11, a first positioning frame 12 is fixed to the inner side of the main body 11, and a printing roller 13 rotates on the first positioning frame 12;

[0053] The adjusting member 14 comprises a hydraulic cylinder 141 fixed on the first positioning frame 12 , a liftable mounting seat 142 is fixed to the output end of the hydraulic cylinder 141 , and another printing roller 13 rotates on the mounting seat 142 .

[0054] It should be noted that: in the adjusting member 14, the hydraulic cylinder 141 drives the mounting seat 142 to move up and down, thereby driving the printing roller 13 to move, so as to reasonably adjust the distance between the two printing rollers 13, so as to adapt to fabrics of different thicknesses to improve the printing accuracy;

[0055] The adjusting member 14 is not limited to the hydraulic cylinder 141 , and a single-threaded screw may also be used. The mounting seat 142 may also be raised and lowered using the single-threaded screw. The specific selection and use depends on the actual situation.

[0056] In the embodiments of the present invention, please refer to Figure 6 The drying unit 3 includes a first bracket 31 fixed to the side of the transmission frame 2, a first mounting frame 32 is vertically fixed to the upper end of the first bracket 31, a mounting plate 33 spanning the top of the transmission frame 2 is fixed on the first mounting frame 32, two air pumps 34 are symmetrically fixed to the upper end of the mounting plate 33 away from the center, the air outlet end of the air pump 34 is connected to the conduit 35 installed on the mounting plate 33, and the air inlet end of the nozzle 36 is connected to the conduit 35 through a three-way connection.

[0057] It should be noted that: in the drying unit 3, the air can be extracted by the air pump 34, and the air is introduced into the nozzle 36 through the conduit 35, and then ejected through the nozzle 36 to dry the fabric;

[0058] The output port of the nozzle 36 is preferably a variable structure, that is, the size of the opening can be adjusted, so that targeted adjustments can be made according to the type of fabric printing to improve the drying effect.

[0059] In the embodiments of the present invention, please refer to Figure 7The color fixing unit 4 includes a second stand 41 fixed to the side of the transmission frame 2, a second mounting frame 42 is vertically fixed to the upper end of the second stand 41, a heating roller 43 rotates on the second stand 41, and a sealing shell 44 is fixed on the second stand 41;

[0060] Among them, a through hole for passing the fabric is opened at the side of the closed shell 44 corresponding to the interval between the two heating rollers 43. The through hole also serves as an air inlet of the closed shell 44 to balance the air pressure inside the closed shell 44. The inner wall of the closed shell 44 is also provided with insulation material, which is rock wool.

[0061] It should be noted that the heating roller 43 is the main heat source structure, and there is a gap between the two heating rollers 43 for passing the fabric, which can heat and fix the fabric during the conveying process. A closed shell 44 is arranged outside the heating roller 43, and the closed shell 44 can lock the heat emitted by the heating roller 43. At the same time, the rock wool arranged can be used for heat preservation to prevent the diffusion of heat, so that the heat can be better recycled and reused.

[0062] In the embodiments of the present invention, please refer to Figure 8 The pipeline structure 5 includes a mounting tube 51, both ends of which are not closed, and an annular retaining ring 54 is also provided on the circumferential inner wall of the mounting tube 51, and a silicone pad is provided on the side of the retaining ring 54. The circumferential outer wall of the mounting tube 51 has an air inlet pipe 52 and an air outlet pipe 53, the air inlet pipe 52 is connected to the inside of the closed shell 44, and the air outlet pipe 53 is connected to the air inlet end of the air pump 34.

[0063] It should be noted that the pipeline structure 5 is used to connect the closed shell 44 and the air pump 34, so that the air pump 34 can extract the heat locked inside the closed shell 44 for the drying unit 3 to perform preliminary drying treatment on the fabric.

[0064] In the embodiments of the present invention, please refer to Figure 8 and Fig. 9 The self-cleaning filter element 6 includes a first cover 61 and a second cover 67 that seal the openings at both ends of the mounting tube 51;

[0065] A second positioning frame 62 inserted into the mounting tube 51 is fixed to the inner cover plate of the first cover 61, a ring plate is fixed to the other end of the second positioning frame 62, a hemispherical filter 63 for intercepting fabric fibers is fixed to the other side of the ring plate, a first transmission shaft 64 connected with a bearing passes through the filter 63, an impeller 65 is arranged on the first transmission shaft 64 and at a downstream position of the filter 63, a hexagonal plug 66 is fixed to one end of the first transmission shaft 64, when the first cover 61 is fixed to the mounting tube 51, the ring plate for mounting the filter 63 presses against the silicone pad on the side of the retaining ring 54;

[0066] The inner cover plate of the second cover 67 is fixed with a third positioning frame 68 which is plugged into the inside of the mounting tube 51. The bearing on the third positioning frame 68 is connected to the second transmission shaft 69. A connecting seat 610 is fixed to one end of the second transmission shaft 69. One side of the connecting seat 610 has a hexagonal slot 612 which is adapted to the hexagonal plug block 66. The first transmission shaft 64 and the second transmission shaft 69 are fixed by plugging to form a complete rotating shaft. A plurality of annularly distributed brush plates 611 are also fixed to the circumferential outer wall of the connecting seat 610. The brush plates 611 can directly contact the filter screen 63 and scrape off the fabric fibers attached to the filter screen 63 during rotation.

[0067] It should be noted that: in the self-cleaning filter element 6, the filter screen 63 is used to intercept fabric fibers, so as to avoid clogging of the nozzle 36; the first transmission shaft 64 and the second transmission shaft 69 can be fixed to form a complete rotating shaft, and an impeller 65 is arranged on the first transmission shaft 64, and the impeller 65 is driven to rotate by the airflow, thereby driving the rotating shaft to rotate, so that the brush plate 611 rotates, and the brush plate 611 is used to scrape the fabric fibers on the filter screen 63, so as to avoid clogging of the filter screen 63;

[0068] The first cover 61 and the second cover 67 can be removed from the mounting tube 51, the first transmission shaft 64 bearing is mounted on the filter screen 63, and the second transmission shaft 69 bearing is mounted on the third positioning frame 68, so that the entire self-cleaning filter element 6 can be disassembled to clean the fabric fibers.

[0069] The printing method of the high-count and high-density pure cotton fabric printing device comprises:

[0070] S1, the fabric is printed by the printing roller 13, and the printed fabric is transported by the transmission frame 2, and the fabric passes through the drying unit 3, the side through-hole of the sealing shell 44 and the gap between the two heating rollers 43;

[0071] S2, preferably turning on the heating roller 43 in the color fixing unit 4, after the heating roller 43 completes heating, the radiated heat will be concentrated inside the closed shell 44, and then the air pump 34 is turned on to extract the heat inside the closed shell 44, so that the fabric can be transported;

[0072] S3, the nozzle 36 sprays a hot air flow, which acts on the fabric to achieve preliminary drying of the fabric and prevent the dye from penetrating and diffusing;

[0073] S4, the heating roller 43 directly performs high-temperature color fixing on the fabric to improve the firmness between the fabric and the dye, and at the same time, the heat radiated by the heating roller 43 is continuously supplied to the drying unit 3.

[0074] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A printing device for high-count and high-density pure cotton fabrics, comprising a printing device (1), a transmission frame (2) arranged on one side of the printing device (1), a drying unit (3) and a color fixing unit (4) installed on the transmission frame (2), characterized in that: Also includes: a pipeline structure (5) located between the drying unit (3) and the color fixing unit (4) and used for introducing the temperature generated by the color fixing unit (4) into the drying unit (3); The printing device (1) comprises a main body (11), in which two printing rollers (13) are arranged vertically and horizontally, and an adjusting member (14) is arranged which can be raised or lowered to adjust the distance between one of the printing rollers (13) and the other printing roller (13); The drying unit (3) comprises a plurality of nozzles (36) obliquely pointing toward the top of the transmission rack (2), and the nozzles (36) are used to spray out a hot air flow; The color fixing unit (4) comprises two heating rollers (43) which are arranged vertically and spaced in between for passing the fabric through, and the two heating rollers (43) are externally covered with a sealing shell (44) for locking in heat energy; The pipeline structure (5) comprises a mounting pipe (51), the outer circumferential wall of the mounting pipe (51) having an air inlet pipe (52) and an air outlet pipe (53), the air inlet pipe (52) being connected to the interior of the closed shell (44), and the air outlet pipe (53) being connected to the nozzle (36); A self-cleaning filter (6) for intercepting fabric fibers is also installed inside the installation tube (51).

2. The printing device for high-count and high-density pure cotton fabric according to claim 1, characterized in that: A first positioning frame (12) is fixed on the inner side of the main body (11), and one of the printing rollers (13) rotates on the first positioning frame (12); The adjusting member (14) comprises a hydraulic cylinder (141) fixed on the first positioning frame (12); a liftable mounting seat (142) is fixed to the output end of the hydraulic cylinder (141); and the other printing roller (13) rotates on the mounting seat (142), so as to reasonably adjust the distance between the two printing rollers (13) according to fabrics of different thicknesses.

3. The printing device for high-count and high-density pure cotton fabric according to claim 1, characterized in that: The drying unit (3) further comprises a first bracket (31) fixed to the side of the transmission frame (2); a first mounting frame (32) is vertically fixed to the upper end of the first bracket (31); a mounting plate (33) spanning the top of the transmission frame (2) is fixed on the first mounting frame (32); two air pumps (34) are symmetrically fixed to the upper end of the mounting plate (33) away from the center; an air inlet end of the air pump (34) is connected to an air outlet pipe (53); the air pump (34) is used to extract the heat energy locked inside the closed shell (44); and the air outlet end is connected to a conduit (35) installed on the mounting plate (33); and the air inlet end of the nozzle (36) is connected to the conduit (35) via a tee.

4. The printing device for high-count and high-density pure cotton fabric according to claim 1, characterized in that: The color fixing unit (4) also includes a second stand (41) fixed to the side of the transmission frame (2), the second mounting frame (42) is vertically fixed to the upper end of the second stand (41), the heating roller (43) rotates on the second stand (41), and the sealing shell (44) is fixed on the second stand (41).

5. The printing device for high-count and high-density pure cotton fabric according to claim 4, characterized in that: A through hole for passing fabric is provided on the side of the closed shell (44) at a position corresponding to the interval between the two heating rollers (43). The through hole also serves as an air inlet of the closed shell (44) for balancing the air pressure inside the closed shell (44).

6. The printing device for high-count and high-density pure cotton fabric according to claim 5, characterized in that: The inner wall of the closed shell (44) is also provided with a heat-insulating material, which is rock wool.

7. The printing device for high-count and high-density pure cotton fabric according to claim 1, characterized in that: Both ends of the installation tube (51) are not closed, and an annular retaining ring (54) is provided on the inner circumferential wall of the installation tube (51), and a silicone pad is provided on the side of the retaining ring (54).

8. The printing device for high-count and high-density pure cotton fabric according to claim 1, characterized in that: The self-cleaning filter element (6) comprises a first cover (61) and a second cover (67) for closing openings at both ends of the mounting tube (51); A second positioning frame (62) inserted into the interior of the mounting tube (51) is fixed to the inner cover plate of the first sealing cover (61); a ring plate is fixed to the other end of the second positioning frame (62); a hemispherical filter screen (63) for intercepting fabric fibers is fixed to the other side of the ring plate; a first transmission shaft (64) connected to a bearing passes through the filter screen (63); an impeller (65) is arranged on the first transmission shaft (64) and at a position downstream of the filter screen (63); the impeller (65) is used to convert the kinetic energy of the gas flow into the kinetic energy for driving the first transmission shaft (64) to rotate; The inner cover plate of the second cover (67) is fixed with a third positioning frame (68) which is inserted into the inside of the mounting tube (51); the bearing on the third positioning frame (68) is connected with a second transmission shaft (69); one end of the second transmission shaft (69) is fixed with a connecting seat (610) and is detachably connected to the first transmission shaft (64) through the connecting seat (610) to form a complete rotating shaft; the circumferential outer wall of the connecting seat (610) is also fixed with a plurality of annularly distributed brush plates (611); the brush plates (611) can directly contact the filter screen (63) and scrape off the fabric fibers attached to the filter screen (63) during the rotation process.

9. The printing device for high-count and high-density pure cotton fabric according to claim 8, characterized in that: A hexagonal plug block (66) is fixed to one end of the first transmission shaft (64), and a hexagonal slot (612) adapted to the hexagonal plug block (66) is provided on one side of the connecting seat (610), so that the first transmission shaft (64) and the second transmission shaft (69) are fixed by plugging; When the first sealing cover (61) is fixed on the mounting tube (51), the ring plate used to mount the filter screen (63) presses against the silicone pad on the side of the retaining ring (54).

10. The printing method of the high-count and high-density pure cotton fabric printing device according to any one of claims 1 to 9, characterized in that: include: S1, printing the fabric by means of a printing roller (13), the printed fabric is transported by means of a transmission frame (2), and at the same time the fabric passes through a drying unit (3), a through hole on the side of a sealing shell (44), and a gap between two heating rollers (43); S2, preferably turning on the heating roller (43) in the color fixing unit (4), after the heating roller (43) completes heating, the heat radiated will be concentrated inside the closed shell (44), and then the air pump (34) is turned on to extract the heat inside the closed shell (44), so that the fabric can be transported; S3, the nozzle (36) sprays a hot air flow, which acts on the fabric to achieve preliminary drying of the fabric and prevent the dye from penetrating and diffusing; S4, the heating roller (43) directly performs high-temperature color fixing on the fabric to improve the fixation between the fabric and the dye, and at the same time, the heat radiated by the heating roller (43) is continuously supplied to the drying unit (3).

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