Printing device for textile fabric

By designing reliable roller mounting units and dye supply units, the problems of difficult roller replacement and dye waste have been solved, achieving high efficiency, adaptability, and economy in textile fabric printing equipment.

CN223466866UActive Publication Date: 2025-10-24FUJIAN ZHISHENG GARMENT MANUFACTURING CO LTD
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Patent Information

Application Number
CN202422207161.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-09
Publication Date
2025-10-24
Estimated Expiration
2034-09-09

AI Technical Summary

Technical Problem

In existing textile fabric roller printing equipment, the rollers are fixed in place and difficult to replace, resulting in dye waste and an inability to meet the printing and dyeing needs of fabrics with different widths.

Method used

A reliable roller mounting unit and dye supply unit were designed. The roller mounting unit is easy to replace through the sliding design of the drive shaft and clamping cover. The dye supply unit achieves precise dye supply through solenoid valve control, which can adapt to the printing and dyeing of fabrics of different widths.

Benefits of technology

It enables convenient roller replacement and saves dye, adapts to the printing and dyeing needs of textile fabrics of different widths, and improves printing efficiency and dye utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a printing device for textile fabric, which relates to the technical field of textile processing and comprises a bearing frame, a roller mounting unit and a dye supply unit. The roller installation unit comprises a motor, a coupler, a transmission shaft, a bearing, a spring, a clamping cover and a printing roller. The device is provided with a reliable roller mounting unit, the printing roller is applied to one end of the printing roller, the transmission shaft is stressed to slide outwards, meanwhile, the distance between the two clamping covers is expanded, the printing roller can be replaced, and the spring can provide elastic force for the clamping covers, so that the printing roller can be replaced conveniently. Therefore, the mounted printing cylinder can be automatically clamped; the printing device is provided with the reliable dye supply unit, dye can be continuously supplied to the surface of the printing cylinder, and the feeding range can be narrowed by controlling the electromagnetic valves at the two ends to be closed inwards one by one, so that the effect of saving the dye is achieved when textile fabrics with different width sizes are printed and dyed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to textile processing technical field, concretely is a printing device for textile fabric. BACKGROUND

[0002] Textile printing is the process of limited dyeing on the predetermined area of fabric, which can print patterns or designs on textiles and other objects, and greatly improve the appearance of fabric. Common printing methods for textiles include screen printing, roller printing, etc. Roller printing is more suitable for processing and printing of textile fabric because it can realize continuous processing.

[0003] In the prior art, the width of the roller of the roller printing device for textile fabric should be slightly larger than the width of the printed fabric, so that the fabric including the selvedge can be completely printed with patterns. However, when printing different width sizes of textile fabric, it is necessary to replace the roller of appropriate size. In the existing printing device, the installation of the roller is relatively fixed and inconvenient to disassemble and replace. When the size of the roller relative to the fabric is too wide, it will cause waste of dye. Therefore, we propose a printing device for textile fabric. SUMMARY

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a printing device for textile fabric. When it is necessary to replace the printing roller to print different patterns, force is applied to the printing roller at one end, the transmission shaft is forced to slide outward, and at the same time, the distance between the two clamping covers is expanded. The printing roller can be replaced immediately. The spring can provide a spring force to the clamping cover, thereby automatically clamping the installed printing roller. The printing device has a reliable dye supply unit that can continuously supply dye to the surface of the printing roller. By controlling the electromagnetic valves at both ends to close inward one by one, the feeding range can be reduced to save dye when printing different width sizes of textile fabric. This can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a printing device for textile fabric, comprising a material support, a roller mounting unit and a dye supply unit.

[0006] The material support is horizontally arranged and has a U-shaped cross section. A pressure receiving plate is embedded and installed at the middle position inside the material support. The lower end of the pressure receiving plate is provided with a hydraulic cylinder.

[0007] The roller mounting unit comprises a motor, a shaft coupling, a transmission shaft, a bearing, a spring, a clamping cover and a printing roller, two semicircular mounting grooves are formed in the middle of the upper end of the material supporting frame, a bearing is fixedly connected to the outward port of each mounting groove, a transmission shaft is arranged in the inner ring of each bearing, the inner end of the transmission shaft is fixedly connected to the center of the clamping cover, the outer side of the transmission shaft is sleeved with a spring, the two ends of the spring are respectively abutted against the clamping cover and the inner ring of the bearing, the printing roller is longitudinally arranged and has patterns engraved on the outer side, the two clamping covers are respectively clamped on the two ends of the printing roller, the outward end of the transmission shaft on the front side is slidably connected to the inner ring of the shaft coupling, four strip-shaped clamping grooves are formed in the outer end of the transmission shaft in parallel with the axial direction, four strip-shaped clamping strips are fixedly connected to the inner ring of the shaft coupling in parallel with the axial direction, the four strip-shaped clamping strips are respectively clamped in the strip-shaped clamping grooves, and the motor is arranged on the front side of the shaft coupling and is fixedly connected to the center of the shaft coupling.

[0008] The dye supply unit is mounted on the upper side of the printing roller.

[0009] The textile fabric is conveyed in the material supporting frame, the pressure plate is lifted upward by the lower side hydraulic cylinder, so that the textile fabric is better combined with the lower end of the printing roller, and a better printing effect is ensured; the bearing is used for mounting the transmission shaft, the motor drives the clamping cover to rotate through the shaft coupling and the transmission shaft, and then drives the printing roller to rotate, the printing roller drives the textile fabric through friction while pressing the adhered dye to the surface of the textile fabric, and continuous printing operation can be realized through continuous rotation; when it is necessary to replace the printing roller to print different patterns, the printing roller is forced to one end, the transmission shaft is forced to slide outward, at the same time, the distance between the two clamping covers is expanded, and then the printing roller can be replaced, the spring can provide a spring force to the clamping cover, so that the clamping effect of the installed printing roller can be automatically realized, and the dye supply unit is used for continuously supplying dye to the surface of the printing roller.

[0010] Further, the dye supply unit comprises a mounting frame, a mounting box, a lifting frame, a brushing sponge block and a threaded shaft, the front and rear sides of the upper end of the material supporting frame are fixedly connected with an inverted U-shaped mounting frame, the mounting box is a cuboid structure, the lower sides of the front and rear ends of the mounting box are fixedly connected with the upper ends of the inner sides of the two mounting frames, the lower end of the mounting box is slidably connected with the lifting frame, the brushing sponge block is embedded in the inner part of the lifting frame, the lower end of the brushing sponge block is an arc structure and is combined with the upper end of the printing roller, the threaded shaft is vertically arranged, the upper end of the threaded shaft is threadedly connected with the middle position of the top of the mounting box, and the lower end of the threaded shaft is clamped on the upper side of the lifting frame. The mounting frame is used for mounting the mounting box, the lifting frame is vertically slidably connected in the inner part of the mounting box, the threaded shaft can drive the lifting frame to move downward by rotating in, and then the brushing sponge block is combined with the upper end of the printing roller.

[0011] Furthermore, the dye supply unit further includes a circular clamping block, a limiting block, and a handle wheel. The lower end of the threaded shaft is fixedly connected to the center of the circular clamping block. Two limiting blocks are fixedly connected to the upper end of the lifting frame near the middle position. The edges of the circular clamping block are clamped and rotatably connected between the limiting blocks and the lifting frame. The upper end of the threaded shaft is fixedly connected to the handle wheel. The limiting blocks are used to limit the circular clamping block, thereby ensuring the connection between the threaded shaft and the lifting frame while allowing the threaded shaft to rotate. The handle wheel facilitates the rotation of the threaded shaft.

[0012] Furthermore, the dye supply unit also includes a storage box, a solenoid valve, an indicator switch, and a material injection tube. The storage box is provided inside the installation box and above the lifting frame. A circular through hole for the threaded shaft to pass through is reserved in the middle of the storage box. Two rows of solenoid valves are installed on the lower side of the storage box. The two rows of solenoid valves are equidistantly arranged on the left and right sides of the upper end of the lifting frame. The lower ends of the solenoid valves are inserted into the interior of the brush sponge block. Two rows of indicator switches are provided on the left and right sides of the installation box. The number of indicator switches is equal to that of the solenoid valves and their positions correspond. A diode indicator light is provided inside the indicator switch. The storage box is used to store the pigment material required for printing. The solenoid valves installed in a uniform array can control the uniform transfer of dye to the surface of the printing roller. The indicator switch displays the opening and closing of the solenoid valve by turning on and off the internal diode indicator light. By controlling the solenoid valves at both ends to close inward, the feeding range can be narrowed, so as to save dye when printing and dyeing textile fabrics of different widths.

[0013] Furthermore, the roller mounting unit further comprises a mounting base and a support bracket, wherein the front side of the material support rack is fixedly connected to the support bracket, the front end of the support bracket is fixedly connected to the mounting base, and the motor is fixed to the front end of the mounting base. The mounting base is used to install the motor, and the support bracket is used to support the mounting base.

[0014] Furthermore, the roller mounting unit further includes a locking bolt, the back of the clamping cover being threadedly connected to a locking bolt, the threaded end of the locking bolt being against the end of the printing roller. By turning the locking bolt, the printing roller can be fixed from the side, thereby improving the fixing effect of the printing roller.

[0015] Compared with the prior art, the beneficial effects of the present invention are: the textile fabric printing device has the following advantages:

[0016] 1. The reliable roller mounting unit, when the printing roller needs to be replaced to print different patterns, by applying force to one end of the printing roller, the transmission shaft slides outward under stress, at the same time, the distance between the two clamping covers is expanded, and then the printing roller can be replaced, the spring can provide a spring force to the clamping cover, thereby automatically clamping the installed printing roller;

[0017] 2. The reliable dye supply unit can continuously supply dye to the surface of the printing roller, and by controlling the electromagnetic valve at both ends to close inward one by one, the feeding range can be reduced to save dye when printing different width sizes of textile fabrics;

[0018] 3. The utility model discloses a reliable roller mounting unit, when the printing roller needs to be replaced to print different patterns, by applying force to one end of the printing roller, the transmission shaft slides outward under stress, at the same time, the distance between the two clamping covers is expanded, and then the printing roller can be replaced, the spring can provide a spring force to the clamping cover, thereby automatically clamping the installed printing roller; and a reliable dye supply unit can continuously supply dye to the surface of the printing roller, and by controlling the electromagnetic valve at both ends to close inward one by one, the feeding range can be reduced to save dye when printing different width sizes of textile fabrics. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure schematic drawing of the utility model;

[0020] Figure 2 It is the right side structure schematic drawing of the utility model;

[0021] Figure 3 It is the local section structure schematic drawing of the utility model;

[0022] Figure 4 It is the local structure schematic drawing of the utility model;

[0023] Figure 5 It is the structure schematic drawing of the utility model Figure 4 It is the structure enlarged view of A in the utility model;

[0024] Figure 6 It is the structure enlarged view of B in the utility model Figure 3

[0025] ​In the figure: 1, the material support frame, 2, the pressure plate, 3, the roller installation unit, 31, the mounting seat, 32, the motor, 33, the coupling, 34, the transmission shaft, 35, the bearing, 36, the spring, 37, the clamping cover, 38, the support frame, 39, the locking bolt, 310, the printing roller, 4, the dye supply unit, 41, the mounting frame, 42, the mounting box, 43, the lifting frame, 44, the dyeing sponge block, 45, the threaded shaft, 46, the circular clamping block, 47, the limiting block, 48, the storage box, 49, the electromagnetic valve, 410, the indication switch, 411, the handle wheel, 412, the dyeing pipe. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0027] Please refer to Figures 1-6 The embodiment provides a technical scheme: a printing device for textile fabric, which comprises a material support frame 1, a roller installation unit 3 and a dye supply unit 4.

[0028] The material support frame 1 is horizontally arranged and has a U-shaped structure in cross section. A pressure plate 2 is embedded and mounted at the middle position inside the material support frame 1. The lower end of the pressure plate 2 is provided with a hydraulic cylinder.

[0029] The roller installation unit 3 comprises a motor 32, a coupling 33, a transmission shaft 34, a bearing 35, a spring 36, a clamping cover 37 and a printing roller 310. Two semicircular mounting grooves are formed in the middle of the upper end of the material support frame 1. One bearing 35 is fixedly connected to the port of each mounting groove. The inner ring of each bearing 35 is penetrated by a transmission shaft 34. The inner end of the transmission shaft 34 is fixedly connected to the center position of the clamping cover 37. The outer side of the transmission shaft 34 is sleeved with a spring 36. The two ends of the spring 36 are respectively abutted against the clamping cover 37 and the inner ring of the bearing 35. The printing roller 310 is longitudinally arranged and has patterns engraved on the outer side. The two clamping covers 37 are respectively clamped at the two ends of the printing roller 310. The outer end of the transmission shaft 34 located at the front side is slidingly connected to the inner part of the coupling 33. Four strip-shaped clamping grooves parallel to the axis direction are formed in the outer end of the transmission shaft 34. Four strip-shaped clamping blocks are fixedly connected to the inner ring of the coupling 33. The four strip-shaped clamping blocks are respectively clamped in the strip-shaped clamping grooves. The motor 32 is arranged at the front side of the coupling 33. The output shaft of the motor 32 is fixedly connected to the center position of the coupling 33.

[0030] The dye supply unit 4 is mounted on the upper side of the printing roller 310.

[0031] The textile fabric is conveyed inside the supporting frame 1, the pressure plate 2 is lifted upwards by the lower hydraulic cylinder to make the textile fabric better adhere to the lower end of the printing cylinder 310, so as to ensure better printing effect; the bearing 35 is used for mounting the transmission shaft 34, the motor 32 drives the clamping cover 37 to rotate through the shaft coupling 33 and the transmission shaft 34, and then drives the printing cylinder 310 to rotate, the printing cylinder 310 drives the textile fabric by friction while pressing the adhered dye onto the surface of the textile fabric, and continuous printing operation can be realized by continuous rotation; when it is necessary to replace the printing cylinder 310 to print different patterns, the printing cylinder 310 is forced to one end, the transmission shaft 34 is forced to slide outward, at the same time, the distance between the two clamping covers 37 is expanded, and then the printing cylinder 310 can be replaced, the spring 36 can provide a spring force to the clamping cover 37, so as to automatically clamp the installed printing cylinder 310, and the dye supply unit 4 is used for continuously supplying dye to the surface of the printing cylinder 310.

[0032] The dye supply unit 4 comprises a mounting frame 41, a mounting box 42, a lifting frame 43, a dyeing sponge block 44 and a threaded shaft 45, the front and rear sides of the upper end of the supporting frame 1 are fixedly connected with an inverted U-shaped mounting frame 41, the mounting box 42 is a cuboid structure, and the lower sides of the front and rear ends thereof are fixedly connected with the upper ends of the inner sides of the two mounting frames 41, the lower end of the mounting box 42 is slidingly connected with the lifting frame 43, the lifting frame 43 is embeddedly installed with the dyeing sponge block 44 in the inside thereof, the lower end of the dyeing sponge block 44 is an arc-shaped structure and is in close contact with the upper end of the printing cylinder 310, the threaded shaft 45 is vertically arranged and is threadedly connected with the upper end of the mounting box 42 at the middle position of the top thereof, and the lower end of the threaded shaft 45 is clamped in the upper side of the lifting frame 43. The mounting frame 41 is used for mounting the mounting box 42, the lifting frame 43 is vertically slidingly connected in the inside of the mounting box 42, the threaded shaft 45 can push the lifting frame 43 to move downwards by rotating in, and then push the dyeing sponge block 44 to be in close contact with the upper end of the printing cylinder 310.

[0033] The dye supply unit 4 further comprises a circular clamping block 46, a limiting block 47 and a handle wheel 411, the lower end of the threaded shaft 45 is fixedly connected with the center position of the circular clamping block 46, the upper end of the lifting frame 43 is fixedly connected with two limiting blocks 47 near the middle position, the edge of the circular clamping block 46 is clamped and rotationally connected between the limiting blocks 47 and the lifting frame 43, and the upper end of the threaded shaft 45 is fixedly connected with the handle wheel 411. The limiting blocks 47 are used for limiting and clamping the circular clamping block 46, so as to allow the threaded shaft 45 to rotate while ensuring the connection between the threaded shaft 45 and the lifting frame 43, and the handle wheel 411 can conveniently rotate the threaded shaft 45.

[0034] The dye supply unit 4 further comprises a storage box 48, solenoid valves 49, indicator switches 410 and a dye injection pipe 412. The storage box 48 is arranged inside the mounting box 42 above the lifting frame 43, a circular through hole is reserved at the middle position of the storage box 48 for the threaded shaft 45 to pass through, the lower side of the storage box 48 is provided with two rows of solenoid valves 49, the two rows of solenoid valves 49 are equidistantly arranged on the left and right sides of the upper end of the lifting frame 43, the lower end of the solenoid valve 49 is inserted into the inside of the dyeing sponge block 44, two rows of indicator switches 410 are arranged on the left and right sides of the mounting box 42, the number of the indicator switches 410 is equal to that of the solenoid valves 49 and the positions correspond, and a diode indicator lamp is arranged inside the indicator switch 410. The storage box 48 is used for storing the dyeing material required for printing, the uniformly arranged solenoid valves 49 can control the uniform transmission of the dye to the surface of the printing cylinder 310, the indicator switches 410 display the opening and closing of the solenoid valves 49 through the on-off of the diode indicator lamp inside, and by controlling the inward closing of the solenoid valves 49 at both ends, the dye supply range can be reduced, thereby saving the dye when printing and dyeing different width and size of textile fabrics.

[0035] The cylinder mounting unit 3 further comprises a mounting seat 31 and a supporting frame 38. The front side of the dye receiving frame 1 is fixedly connected with the supporting frame 38, the front end of the supporting frame 38 is fixedly connected with the mounting seat 31, and the electric motor 32 is mounted and fixed at the front end of the mounting seat 31. The mounting seat 31 is used for mounting the electric motor 32, and the supporting frame 38 is used for supporting the mounting seat 31.

[0036] The cylinder mounting unit 3 further comprises a locking bolt 39. One locking bolt 39 is threadedly connected to the back of the clamping cover 37, and the threaded end of the locking bolt 39 abuts against the end of the printing cylinder 310. By rotating the locking bolt 39, the printing cylinder 310 can be fixed from the side, thereby improving the fixing effect of the printing cylinder 310.

[0037] The working principle of the printing device for textile fabric is as follows: the device has a reliable cylinder mounting unit 3, the textile fabric is conveyed in the inside of the material supporting frame 1, the pressure plate 2 is lifted upward under the action of the lower side hydraulic cylinder, the textile fabric is better attached to the lower end of the printing cylinder 310, and better printing effect is ensured; the bearing 35 is used for mounting the transmission shaft 34, the motor 32 drives the clamping cover 37 to rotate through the shaft coupling 33 and the transmission shaft 34, and then drives the printing cylinder 310 to rotate, the printing cylinder 310 drives the textile fabric through friction force at the same time, and adhered dye is pressed to the surface of the textile fabric, and continuous printing operation can be realized through continuous rotation; when it is necessary to replace the printing cylinder 310 to print different patterns, force is applied to the printing cylinder 310 to one end, the transmission shaft 34 is stressed and slides outward, at the same time, the distance between the two clamping covers 37 is expanded, and then the printing cylinder 310 can be replaced, the spring 36 can provide the clamping cover 37 with an elastic force, so that the installed printing cylinder 310 can be automatically clamped; the mounting seat 31 is used for mounting the motor 32, the supporting frame 38 is used for supporting the mounting seat 31, the printing cylinder 310 can be fixed from the side through the tightening bolt 39, and then the fixing effect of the printing cylinder 310 is improved. The device also has a reliable dye supply unit 4, can continuously provide dye to the surface of the printing cylinder 310, and can reduce the feeding range by controlling the electromagnetic valve 49 at both ends to be closed inward, so as to save dye when printing and dyeing different width and size textile fabrics; the mounting frame 41 is used for mounting the box 42, the lifting frame 43 is vertically and slidingly connected in the inside of the mounting box 42, the threaded shaft 45 can drive the lifting frame 43 to move downward through screwing, and then drives the brushing sponge block 44 to be attached to the upper end of the printing cylinder 310; the limiting block 47 is used for limiting and clamping the circular clamping block 46, so that the threaded shaft 45 and the lifting frame 43 can be connected while allowing the threaded shaft 45 to rotate, and the handle wheel 411 can conveniently rotate the threaded shaft 45; the storage box 48 is used for storing pigment materials required for printing, the uniformly arrayed electromagnetic valves 49 can control the uniform transmission of dye to the surface of the printing cylinder 310, the indicating switch 410 displays the opening and closing of the electromagnetic valve 49 through the on-off of the internal diode indicating lamp, and the feeding range can be reduced by controlling the electromagnetic valve 49 at both ends to be closed inward, so as to save dye when printing and dyeing different width and size textile fabrics.

[0038] It is worth noting that the electromagnetic valve 49 disclosed in the above embodiment is electrically connected with the output end of the external power source through the indicating switch 410, the motor 32 is electrically connected with the output end of the external power source through the external control switch group, the indicating switch 410 controls the electromagnetic valve 49 and the control switch group motor 32 to work by using the method commonly used in the prior art.

[0039] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made by using the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A printing device for textile fabric, characterized in that: It includes a material support frame (1), a roller mounting unit (3) and a dye supply unit (4); The material support frame (1) is transversely arranged and has a U-shaped structure, and a pressure bearing plate (2) is embedded and mounted at the middle position inside the material support frame (1), and the lower end of the pressure bearing plate (2) is provided with a hydraulic cylinder; The roller mounting unit (3) comprises a motor (32), a shaft coupling (33), a transmission shaft (34), a bearing (35), a spring (36), a clamping cover (37) and a printing roller (310), two semicircular mounting grooves are formed in the middle of the upper end of the material support frame (1), a bearing (35) is fixedly connected to the port of each mounting groove, a transmission shaft (34) is arranged in the inner ring of each bearing (35), the inner end of the transmission shaft (34) is fixedly connected to the center position of the clamping cover (37), the outer side of the transmission shaft (34) is sleeved with a spring (36), the two ends of the spring (36) are respectively abutted against the inner ring of the bearing (35) and the clamping cover (37), the printing roller (310) is longitudinally arranged and has patterns engraved on the outer side, the two clamping covers (37) are respectively clamped at the two ends of the printing roller (310), the outer end of the transmission shaft (34) is slidably connected to the inner side of the shaft coupling (33), four strip-shaped clamping grooves parallel to the axis direction are formed in the outer end of the transmission shaft (34), four strip-shaped clamping blocks are fixedly connected to the inner ring of the shaft coupling (33), the four strip-shaped clamping blocks are respectively clamped in the strip-shaped clamping grooves, and the motor (32) is arranged on the front side of the shaft coupling (33) and its output shaft is fixedly connected to the center position of the shaft coupling (33); The dye supply unit (4) is mounted on the upper side of the printing roller (310).

2. A printing device for textile fabric according to claim 1, characterized in that: The dye supply unit (4) comprises a mounting frame (41), a mounting box (42), a lifting frame (43), a brushing sponge block (44) and a threaded shaft (45), the upper end of the material support frame (1) is fixedly connected with two inverted U-shaped mounting frames (41) on the front side and the rear side, the mounting box (42) has a rectangular parallelepiped structure, the lower end of the mounting box (42) is fixedly connected with the upper end of the two mounting frames (41) on the inner side, the lower end of the mounting box (42) is slidably connected with the lifting frame (43), the brushing sponge block (44) is embedded and mounted in the inner side of the lifting frame (43), the lower end of the brushing sponge block (44) has an arc-shaped structure and is in close contact with the upper end of the printing roller (310), the threaded shaft (45) is vertically arranged, the upper end of the threaded shaft (45) is threadedly connected to the middle position of the top of the mounting box (42), and the lower end of the threaded shaft (45) is clamped on the upper side of the lifting frame (43).

3. A printing device for textile fabric according to claim 2, characterized in that: The dye supply unit (4) further comprises a circular clamping block (46), a limiting block (47) and a handle wheel (411), the lower end of the threaded shaft (45) is fixedly connected to the center position of the circular clamping block (46), the upper end of the lifting frame (43) is fixedly connected with two limiting blocks (47) near the middle position, the edge of the circular clamping block (46) is clamped and rotatably connected between the limiting blocks (47) and the lifting frame (43), and the upper end of the threaded shaft (45) is fixedly connected with the handle wheel (411).

4. The printing device for textile fabric according to claim 2, characterized in that: The dye supply unit (4) also contains a storage box (48), solenoid valve (49), indicating switch (410) and injection tube (412), the inside of the installation box (42) and above the lifting frame (43) is provided with a storage box (48), the middle position of the storage box is reserved with a circular through hole through the threaded shaft (45), the lower side of the storage box (48) is provided with two rows of solenoid valves (49), the two rows of solenoid valves (49) are equidistantly arranged on the left and right sides of the upper end of the lifting frame (43), the lower end of the solenoid valve (49) is inserted into the inside of the brushing sponge block (44), the left and right sides of the installation box (42) are provided with two rows of indicating switches (410), the indicating switches (410) are equal in number and corresponding in position with the solenoid valves (49), and the inside of the indicating switch (410) is provided with a diode indicating lamp.

5. The printing device for textile fabric according to claim 1, characterized in that: The drum mounting unit (3) also contains a mounting seat (31) and a supporting frame (38), the front side of the material supporting frame (1) is fixedly connected with the supporting frame (38), the front end of the supporting frame (38) is fixedly connected with the mounting seat (31), and the motor (32) is mounted and fixed at the front end of the mounting seat (31).

6. The printing device for textile fabric according to claim 1, characterized in that: The drum mounting unit (3) also contains a locking bolt (39), the back of the clamping cover (37) is threadedly connected with a locking bolt (39), and the threaded end of the locking bolt (39) is located at the end of the printing cylinder (310).