Textile fabric printing and dyeing equipment and method

Abstract

The invention discloses textile fabric printing and dyeing equipment and method, and belongs to the field of textile fabric printing and dyeing. Textile fabric printing and dyeing equipment comprises a workbench, a feeding roller and a discharging roller, and further comprises a printing and dyeing unit arranged on the workbench and used for printing and dyeing textile fabric, a compression mechanism and a discharging mechanism are arranged on the printing and dyeing unit, and when the printing and dyeing unit rotates, the compression mechanism can drive the discharging mechanism to discharge dye to the surface of the printing and dyeing unit; the driving unit is arranged between the workbench and the printing and dyeing unit, and the discharging roller can drive the printing and dyeing unit to synchronously and relatively rotate along the two sides of the textile fabric through the driving unit; the drying unit is arranged on the workbench, and the discharging roller can drive the drying unit to reciprocate along the two sides of the textile fabric; the problems that dye waste is easily caused in the textile fabric printing and dyeing process, the textile fabric printing and dyeing effect is difficult to guarantee, and the printing and dyeing efficiency is low can be solved.

Description

Technical Field

[0001] The invention relates to the technical field of textile fabric printing and dyeing, and in particular to a textile fabric printing and dyeing device and method. Background Art

[0002] Textile fabrics refer to the general term for various fabrics processed through textile technology, including cotton, linen, silk, woolen cloth, leather, chemical fiber, etc.; they can be used to make fashion, casual wear, underwear, shirts and other clothing. In order to improve the appearance of clothing, they are usually printed and dyed. The quality of printing and dyeing directly affects the quality and appearance of the product, and is an important determinant of product sales.

[0003] At present, printing and dyeing usually involves dyeing textile fabrics first and then printing. Printing mainly includes direct printing, discharge printing and anti-dyeing. Direct printing is the most widely used. In existing equipment, printing mainly involves dipping dyes on the surface of the printing and dyeing roller. This method not only easily causes waste of dyes, but also affects the operation of the equipment, and it is difficult to ensure the printing and dyeing effect of textile fabrics. In addition, textile fabrics cannot be stacked after printing and dyeing. Generally, a dryer or natural drying is used, which makes the printing and dyeing efficiency of textile fabrics low. Summary of the invention

[0004] The purpose of the present invention is to solve the problems in the prior art that the textile fabric printing and dyeing process is prone to dye waste, it is difficult to ensure the textile fabric printing and dyeing effect, and the printing and dyeing efficiency is low, and to propose a textile fabric printing and dyeing device and method.

[0005] In order to achieve the above object, the present invention adopts the following technical solutions:

[0006] A textile fabric printing and dyeing device comprises a workbench, a feed roller and a discharge roller, and further comprises: a printing and dyeing unit arranged on the workbench, used for printing and dyeing the textile fabric, wherein the printing and dyeing unit is provided with a compression mechanism and a discharge mechanism, and when the printing and dyeing unit rotates, the compression mechanism can drive the discharge mechanism to discharge the dye to the surface of the printing and dyeing unit; a driving unit arranged between the workbench and the printing and dyeing unit, and the discharge roller can drive the printing and dyeing unit to rotate synchronously relative to each other along both sides of the textile fabric through the driving unit; a drying unit arranged on the workbench, and the discharge roller can drive the drying unit to reciprocate along both sides of the textile fabric.

[0007] In order to facilitate the printing and dyeing of textile fabrics and the entry of gas into the printing and dyeing roller, preferably, the printing and dyeing unit includes a plurality of groups of mounting seats symmetrically fixedly connected to the workbench, and the printing and dyeing roller is rotatably connected on the side where the mounting seats are close to each other, and the two groups of mounting seats on one side are fixedly connected to the side close to the axis of the printing and dyeing roller with an air slip ring, wherein the distance between the two groups of the printing and dyeing rollers matches the size of the textile fabric, the air slip ring is rotatably connected to the axial end of the printing and dyeing roller, and the printing and dyeing roller is a hollow structure.

[0008] In order to facilitate the adjustment of the air pressure inside the printing and dyeing roller according to the rotation speed of the printing and dyeing roller and reduce energy consumption, the compression mechanism further includes a mounting groove opened on the mounting seat, a cylinder is fixedly connected to the inside of the mounting groove, a crank connected to the printing and dyeing roller is rotatably connected to the inside of the mounting groove, a piston is slidably connected to the inside of the cylinder, a connecting rod is arranged between the piston and the crank, wherein the crank is connected to the axis of the printing and dyeing roller, the two ends of the connecting rod are rotatably connected to the piston and the crank respectively, and the connecting rod and the crank are eccentrically arranged.

[0009] In order to facilitate the control of the discharge amount of the dye, further, the discharge mechanism includes a mounting plate fixedly connected to the inside of the printing and dyeing roller, a vent hole connected to the air slip ring is opened on the shaft of the printing and dyeing roller, a plurality of positioning cylinders are fixedly connected to the mounting plate, a fixing rod is slidably connected to the inside of the positioning cylinder, a first spring is fixedly connected between the fixing rod and the positioning cylinder, an end of the fixing rod away from the positioning cylinder is fixedly connected to a limiting cylinder, two groups of movable sealing plates are symmetrically slidably connected to the inside of the limiting cylinder, a second spring is fixedly connected between the two groups of movable sealing plates, wherein the air slip ring is connected to the cylinder in the corresponding direction through a pipeline, the limiting cylinder and the movable sealing plate are both tightly fitted to the inner wall of the printing and dyeing roller, and the end of the movable sealing plate away from the limiting cylinder is tightly fitted to the inner wall of the printing and dyeing roller.

[0010] In order to ensure the cleanliness of textile fabrics during printing and dyeing, it further includes an air storage box which is symmetrically fixedly connected to the side of the mounting seat close to the feed roller, and a plurality of nozzles are arranged on the side of the air storage box close to the feed roller. The air storage box is connected to the cylinder in the corresponding direction away from the air slip ring through a pipeline, wherein the nozzles are respectively located on both sides of the textile fabric and are arranged at an angle.

[0011] In order to ensure that the movement speed of the printing and dyeing roller and the textile fabric is the same, the driving unit further includes a connecting wheel group fixedly connected to the crank, the workbench is rotatably connected to the first driving wheel connected to the discharge roller, a first belt is sleeved between the upper connecting wheel group and the first driving wheel, two groups of changing wheels are symmetrically connected to the workbench, a second belt is sleeved between the two groups of connecting wheel groups and the changing wheels, wherein the axis of the connecting wheel group and the axis of the printing and dyeing roller are located on the same straight line, and the second belt is arranged in an eight-shaped shape between the two groups of connecting wheel groups and the changing wheels.

[0012] In order to facilitate the drying of textile fabrics after printing and dyeing, and to ensure the drying effect, preferably, the drying unit includes a drying device fixedly connected to the workbench, and two groups of bidirectional reciprocating screws are symmetrically connected to the workbench, and a fixing part is arranged between the bidirectional reciprocating screws on both sides, and a drying cylinder is fixedly connected to the side of the fixing parts close to each other, wherein a protrusion matching the bidirectional reciprocating screw is arranged on the fixing part, and the side of the drying cylinder close to each other is conical, and the two groups of drying cylinders are respectively located on the upper and lower sides of the textile fabric.

[0013] In order to facilitate the control of the reciprocating speed of the drying drum, it further includes a driving bevel gear rotatably connected to the workbench and connected to the discharge roller, the workbench is rotatably connected to a rotating shaft on one side close to the driving bevel gear, the rotating shaft is fixedly connected to a driven bevel gear meshing with the driving bevel gear, the rotating shaft is fixedly connected to a second driving wheel, the bidirectional reciprocating screw is fixedly connected to a driven wheel, and a third belt is sleeved between the second driving wheel and the driven wheel.

[0014] In order to ensure the stability and synchronization of the movement of the drying cylinders on both sides, further, the top end of the bidirectional reciprocating screw at least partially extends to the outside of the workbench, and the top ends of the two groups of bidirectional reciprocating screws are fixedly connected with linkage wheels, and a fourth belt is connected between the two groups of linkage wheels to drive the two groups of bidirectional reciprocating screws to rotate synchronously.

[0015] A printing and dyeing method for textile fabric printing and dyeing equipment, further comprising the following steps:

[0016] Step 1: The textile fabric is passed through the feed roller, the printing and dyeing roller and the discharge roller in sequence, and finally rolled up onto the winding roller. The textile fabric is rolled up by the winding roller, so that the textile fabric moves between the feed roller, the printing and dyeing roller and the discharge roller;

[0017] Step 2: During the movement of the textile fabric, the feed roller and the discharge roller are driven to rotate, and the printing and dyeing roller is driven to rotate on the textile fabric through the driving unit;

[0018] Step 3: During the rotation of the printing and dyeing roller, the compression mechanism intermittently discharges gas into the interior of the printing and dyeing roller, thereby increasing the air pressure inside the printing and dyeing roller and driving the discharge mechanism to add dye to the surface of the printing and dyeing roller;

[0019] Step 4: At the same time, the gas compressed by the compression mechanism will be sprayed onto the textile fabric by the nozzle before the textile fabric is printed and dyed to clean the impurities on the surface of the textile fabric;

[0020] Step 5: After the printing and dyeing is completed, the discharge roller will drive the drying unit to reciprocate up and down along the textile fabric to dry the textile fabric, and finally the textile fabric after printing and dyeing will be rolled up onto the winding roller.

[0021] Compared with the prior art, the present invention provides a textile fabric printing and dyeing device and method, which has the following beneficial effects:

[0022] 1. The textile fabric printing and dyeing equipment can print and dye the textile fabric while it is moving through the printing and dyeing unit, and can ensure the stability of the printing and dyeing under the action of the driving unit, which can not only improve the printing and dyeing effect of the textile fabric, but also improve the printing and dyeing efficiency of the textile fabric.

[0023] 2. The textile fabric printing and dyeing equipment can intermittently transport gas into the printing and dyeing roller according to the rotation of the printing and dyeing unit through the compression mechanism, so that the dye is quantitatively discharged to the surface of the printing and dyeing roller through the discharge mechanism. On the one hand, it can reduce the waste of dye, and on the other hand, it can improve the printing and dyeing effect of textile fabrics. At the same time, it can avoid the influence of excess dye on the operation of the equipment, so as to ensure the stability of textile fabric printing and dyeing.

[0024] 3. The textile fabric printing and dyeing equipment can also enable the nozzle to remove impurities on the surface of the textile fabric before printing and dyeing through the compression mechanism to ensure the cleanliness of the textile fabric during printing and dyeing, thereby improving the printing and dyeing quality of the textile fabric, while reducing energy consumption and being more energy-saving and environmentally friendly.

[0025] 4. The textile fabric printing and dyeing equipment can dry the textile fabric after printing and dyeing through the drying unit, and can adjust the moving speed of the drying unit along both sides of the textile fabric according to the moving speed of the textile fabric. While ensuring the drying effect of the textile fabric, it can avoid the wrinkles of the textile fabric caused by long-term high temperature, and also improve the printing and dyeing efficiency of the textile fabric.

[0026] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The present invention can overcome the problems of easy waste of dyes in the printing and dyeing process of textile fabrics, difficulty in ensuring the printing and dyeing effect of textile fabrics, and low printing and dyeing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1A schematic diagram of the structure of a textile fabric printing and dyeing device proposed by the present invention Figure 1 .

[0028] Figure 2 A schematic diagram of the structure of a textile fabric printing and dyeing device proposed by the present invention Figure 2 .

[0029] Figure 3 This is a schematic structural diagram of the main view of a textile fabric printing and dyeing equipment proposed by the present invention.

[0030] Figure 4 The present invention is a partial structural schematic diagram of a textile fabric printing and dyeing device proposed by the present invention.

[0031] Figure 5 The present invention provides a schematic cross-sectional structure diagram of a cylinder and a crank in a textile fabric printing and dyeing device.

[0032] Figure 6 The present invention provides a schematic structural diagram of a printing and dyeing roller and an air slip ring in a textile fabric printing and dyeing device.

[0033] Figure 7 The present invention is a schematic diagram of the cross-sectional structure of a printing and dyeing roller in a textile fabric printing and dyeing device proposed by the present invention.

[0034] Figure 8 A textile fabric printing and dyeing device proposed by the present invention Figure 2 Schematic diagram of the structure of part A in .

[0035] In the figure: 1. workbench; 2. feed roller; 3. discharge roller; 4. mounting seat; 5. printing and dyeing roller; 6. air slip ring; 7. mounting groove; 8. cylinder; 9. crank; 10. piston; 11. connecting rod; 12. air storage box; 13. nozzle; 14. connecting wheel group; 15. first driving wheel; 16. first belt; 17. changing wheel; 18. second belt; 19. drying equipment; 20. two-way reciprocating screw; 21. fixing piece; 22. drying cylinder; 23. driving bevel gear; 24. rotating shaft; 25. driven bevel gear; 26. second driving wheel; 27. driven wheel; 28. third belt; 29. ​​linkage wheel; 30. fourth belt; 51. mounting plate; 52. vent hole; 53. positioning cylinder; 54. fixing rod; 55. first spring; 56. limiting cylinder; 57. movable sealing plate; 58. second spring. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] Embodiment 1:

[0039] Reference Figure 1-Figure 8 , a textile fabric printing and dyeing equipment, including a workbench 1, a feed roller 2 and a discharge roller 3. It needs to be explained that the textile fabric is usually dyed and rolled up before entering the feed roller 2, and the textile fabric can be directly rolled up after leaving the discharge roller 3, wherein the pulling force required for the movement of the textile fabric is also provided by the winding device, which is a conventional means in the prior art, so it is not described in detail, and also includes: a printing and dyeing unit arranged on the workbench 1, for printing and dyeing the textile fabric, wherein a compression mechanism and a discharge mechanism are arranged on the printing and dyeing unit, when the printing and dyeing unit rotates, the compression mechanism can drive the discharge mechanism to discharge the dye to the surface of the printing and dyeing unit; a driving unit arranged between the workbench 1 and the printing and dyeing unit, and the discharge roller 3 can drive the printing and dyeing unit to rotate synchronously relative to each other along the two sides of the textile fabric through the driving unit; a drying unit arranged on the workbench 1, and the discharge roller 3 can drive the drying unit to reciprocate along the two sides of the textile fabric.

[0040] Reference Figure 1-Figure 4 The printing and dyeing unit includes a plurality of mounting seats 4 symmetrically fixedly connected to the workbench 1, and a printing and dyeing roller 5 is rotatably connected to the side of the mounting seats 4 close to each other, and an air slip ring 6 is fixedly connected to the side of the two mounting seats 4 close to the axis of the printing and dyeing roller 5 on one side, wherein the distance between the two groups of printing and dyeing rollers 5 matches the size of the textile fabric, and the air slip ring 6 is rotatably connected to the axial end of the printing and dyeing roller 5, and the printing and dyeing roller 5 is a hollow structure.

[0041] The specific structure of the air slip ring 6 can refer to the technical solutions in the prior art. Those skilled in the art can know that it will not be described in detail here. It is only to ensure that the gas can stably enter the printing and dyeing roller 5 during the rotation. The dye can be printed on the textile fabric through the relative rotation of the two groups of printing and dyeing rollers 5. In addition, the shape of the printing and dyeing on the surface of the printing and dyeing roller 5 and the number of shapes are not limited. The staff can adjust it according to actual needs. Tiny holes are provided between the printing and dyeing roller 5 and the surface shape so that the dye can be evenly distributed on the shape of the surface of the printing and dyeing roller 5.

[0042] Reference Figure 4-Figure 5The compression mechanism includes a mounting groove 7 provided on the mounting seat 4, a cylinder 8 is fixedly connected inside the mounting groove 7, a crank 9 connected to the printing and dyeing roller 5 is rotatably connected inside the mounting groove 7, a piston 10 is slidably connected inside the cylinder 8, a connecting rod 11 is arranged between the piston 10 and the crank 9, wherein the crank 9 is connected to the axis of the printing and dyeing roller 5, two ends of the connecting rod 11 are rotatably connected to the piston 10 and the crank 9 respectively, and the connecting rod 11 is eccentrically arranged with the crank 9.

[0043] When printing and dyeing textile fabrics, the crank 9 will be driven to rotate synchronously, and under the action of the connecting rod 11, the piston 10 will be driven to move up and down in the cylinder 8. Among them, the cylinder 8 includes an air inlet and an exhaust port, and both are unidirectional gas passages. This is a conventional method in the prior art, so it will not be elaborated.

[0044] Reference Figure 6-Figure 7 The discharging mechanism includes a mounting plate 51 fixedly connected to the inside of the printing and dyeing roller 5, a vent hole 52 connected to the air slip ring 6 is opened on the shaft of the printing and dyeing roller 5, and multiple groups of positioning cylinders 53 are fixedly connected to the mounting plate 51. A fixing rod 54 is slidably connected to the inside of the positioning cylinder 53, and a first spring 55 is fixedly connected between the fixing rod 54 and the positioning cylinder 53. The end of the fixing rod 54 away from the positioning cylinder 53 is fixedly connected to a limiting cylinder 56, and two groups of movable sealing plates 57 are symmetrically slidably connected to the inside of the limiting cylinder 56. A second spring 58 is fixedly connected between the two groups of movable sealing plates 57, wherein the air slip ring 6 is connected to the cylinder 8 in the corresponding direction through a pipeline, and the limiting cylinder 56 and the movable sealing plate 57 are both tightly fitted with the inner wall of the printing and dyeing roller 5, and the end of the movable sealing plate 57 away from the limiting cylinder 56 is tightly fitted with the inner wall of the printing and dyeing roller 5.

[0045] After the printing and dyeing roller 5 rotates one circle, the gas compressed by the cylinder 8 enters the printing and dyeing roller 5, causing the internal air pressure to increase, pushing the limiting cylinder 56 and the movable sealing plate 57 to move, thereby discharging the dye inside the printing and dyeing roller 5 to its surface, so as to facilitate the subsequent printing and dyeing of the textile fabric. It should be explained that the limiting cylinder 56 and the movable sealing plate 57 are in a sealed state with the inner wall of the printing and dyeing roller 5 during the movement, and the dye can be added through the side of the printing and dyeing roller 5, and each time the dye is added, the space for storing the dye needs to be filled.

[0046] Reference Figure 1 , Figure 3 and Figure 4 , and also includes an air storage box 12 which is symmetrically fixedly connected to the side of the mounting base 4 close to the feed roller 2. A plurality of nozzles 13 are arranged on the side of the air storage box 12 close to the feed roller 2. The air storage box 12 is connected to the cylinder 8 in the corresponding direction away from the air slip ring 6 through a pipeline, wherein the nozzles 13 are respectively located on both sides of the textile fabric and are arranged at an angle.

[0047] The compressed gas in the cylinder 8 on one side will enter the gas storage box 12 through the pipeline, and then be sprayed toward the textile fabric through the nozzle 13, so as to clean the impurities on the surface of the textile fabric to ensure the quality of its printing and dyeing. It should be explained that although the gas is sprayed toward the textile fabric intermittently through the nozzle 13, the gas sprayed by the nozzle 13 has a certain range. Therefore, when the gas is sprayed next time, there will be no uncleaned part of the textile fabric.

[0048] Reference Figure 1 and Figure 3 The driving unit includes a connecting wheel set 14 fixedly connected to the crank 9, a first driving wheel 15 rotatably connected to the discharge roller 3 on the workbench 1, a first belt 16 is sleeved between the upper connecting wheel set 14 and the first driving wheel 15, two sets of direction-changing wheels 17 are symmetrically connected to the workbench 1, and a second belt 18 is sleeved between the two sets of connecting wheel sets 14 and the direction-changing wheels 17, wherein the axis of the connecting wheel set 14 and the axis of the printing and dyeing roller 5 are located on the same straight line, and the second belt 18 is arranged in an eight-shaped shape between the two sets of connecting wheel sets 14 and the direction-changing wheels 17.

[0049] Reference Figure 1-Figure 3 The drying unit includes a drying device 19 fixedly connected to the workbench 1, and two groups of bidirectional reciprocating screws 20 are symmetrically connected to the workbench 1. A fixing part 21 is arranged between the bidirectional reciprocating screws 20 on both sides, and a drying cylinder 22 is fixedly connected to the side where the fixing parts 21 are close to each other, wherein a protrusion matching the bidirectional reciprocating screw 20 is arranged on the fixing part 21, and the side where the drying cylinders 22 are close to each other is conical, and the two groups of drying cylinders 22 are respectively located on the upper and lower sides of the textile fabric.

[0050] The specific structure of the drying equipment 19 can refer to the technical solutions in the prior art, and those skilled in the art will know it and will not be elaborated here. It includes the generation of wind force and the heating of the wind, which is then transported to the drying drum 22 by a pipeline to dry the textile fabrics. The conical design of the drying drum 22 can increase the contact area between the hot air and the textile fabrics. On the one hand, it can prevent the accumulation of heat from causing deformation, wrinkles, etc. of the textile fabrics. On the other hand, it can improve the utilization rate of the hot air, thereby improving the drying efficiency of the textile fabrics.

[0051] Reference Figure 2 and Figure 8 , and also includes a driving bevel gear 23 rotatably connected to the workbench 1 and connected to the discharge roller 3. A rotating shaft 24 is rotatably connected to one side of the workbench 1 close to the driving bevel gear 23. A driven bevel gear 25 meshing with the driving bevel gear 23 is fixedly connected to the rotating shaft 24. A second driving wheel 26 is fixedly connected to the rotating shaft 24. A driven wheel 27 is fixedly connected to the bidirectional reciprocating screw 20. A third belt 28 is sleeved between the second driving wheel 26 and the driven wheel 27.

[0052] Reference Figure 1-Figure 2 The top of the bidirectional reciprocating screw 20 at least partially extends to the outside of the workbench 1, and the tops of the two sets of bidirectional reciprocating screws 20 are fixedly connected with linkage wheels 29, and a fourth belt 30 is sleeved between the two sets of linkage wheels 29 to drive the two sets of bidirectional reciprocating screws 20 to rotate synchronously.

[0053] In the present invention, when printing and dyeing textile fabrics, the textile fabrics are first passed through the feed roller 2, the printing and dyeing roller 5 and the discharge roller 3 in sequence, and finally wound up by the winding device. During this process, the textile fabrics are always closely fitted with the feed roller 2 and the discharge roller 3. The movement of the textile fabrics can be achieved by the rotation of the winding device. During the movement, the feed roller 2 and the discharge roller 3 are driven to rotate, and the two sets of connecting wheel groups 14 are driven to rotate synchronously relative to each other through the first driving wheel 15, the first belt 16, the changing wheel 17 and the second belt 18. At the same time, the electric crank 9 and the printing and dyeing roller 5 rotate, wherein the crank 9 drives the piston 10 to move up and down in the cylinder 8 through the connecting rod 11, intermittently compresses the gas, and passes it into the printing and dyeing roller 5 and the gas storage box 12. The gas passed into the gas storage box 12 is sprayed toward the textile fabric through the nozzle 13, thereby cleaning impurities on the surface of the textile fabric;

[0054] When the printing roller 5 rotates one circle, the gas will enter the inside of the printing roller 5 through the vent hole 52, so that the air pressure inside it increases, driving the limiting cylinder 56 and the movable sealing plate 57 to move toward the inner wall of the printing roller 5, compressing the dye, and making the dye flow to the surface of the printing roller 5, so as to facilitate the subsequent printing and dyeing of the textile fabric, and the amount of dye discharged each time is the same, which can reduce the waste of dye while ensuring the printing and dyeing effect of the textile fabric, and at the same time ensure the stability of the equipment operation;

[0055] When the textile fabric after printing and dyeing is moved to the bottom of the drying drum 22, the hot air in the drying equipment 19 will dry it, and according to the rotation speed of the discharge roller 3, the bidirectional reciprocating screw 20 will drive the drying drum 22 to reciprocate up and down along the two sides of the textile fabric. On the one hand, it can prevent the wrinkles and the like caused by the textile fabric being exposed to high-temperature gas for a long time, and on the other hand, it can improve the drying efficiency of the textile fabric, thereby improving the printing and dyeing efficiency of the textile fabric. After drying, the textile fabric can be rolled up. Compared with the existing technology, it is not only simple to operate, but also improves the efficiency of printing and dyeing.

[0056] Embodiment 2:

[0057] A printing and dyeing method for textile fabric printing and dyeing equipment, further comprising the following steps:

[0058] Step 1: The textile fabric is passed through the feed roller 2, the printing and dyeing roller 5 and the discharge roller 3 in sequence, and finally rolled up onto the winding roller. The textile fabric is rolled up by the winding roller, so that the textile fabric moves between the feed roller 2, the printing and dyeing roller 5 and the discharge roller 3;

[0059] The movement of the textile fabric between the feed roller 2, the printing roller 5 and the discharge roller 3 depends on the rotation of the winding device, and the textile fabric is closely attached to the feed roller 2 and the discharge roller 3 during the movement;

[0060] Step 2: During the movement of the textile fabric, the feed roller 2 and the discharge roller 3 are driven to rotate, and the printing and dyeing roller 5 is driven to rotate on the textile fabric through the driving unit;

[0061] The driving unit can drive the upper printing and dyeing roller 5 to rotate in the same direction as the discharging roller 3, and drive the lower printing and dyeing roller 5 to rotate relative to the upper printing and dyeing roller 5, thereby ensuring the printing and dyeing effect of the textile fabric;

[0062] Step 3: During the rotation of the dyeing roller 5, the compression mechanism intermittently discharges gas into the inside of the dyeing roller 5, thereby increasing the gas pressure inside the dyeing roller 5 and driving the discharge mechanism to add dye to the surface of the dyeing roller 5;

[0063] The interior of the printing roller 5 is in a sealed state, and the dye inside will be discharged under the action of pressure. It should be noted that when adding dye, the dye storage space needs to be filled up each time to ensure the stability of dye discharge;

[0064] Step 4: At the same time, the gas compressed by the compression mechanism will be sprayed toward the textile fabric by the nozzle 13 before the textile fabric is printed and dyed, so as to clean the impurities on the surface of the textile fabric;

[0065] During the processing of textile fabrics, there will be a lot of floating objects in the air, which will affect the printing and dyeing quality of textile fabrics. Therefore, it is very necessary to clean the impurities on the surface of textile fabrics before printing and dyeing.

[0066] Step 5: After the printing and dyeing is completed, the discharge roller 3 will drive the drying unit to reciprocate up and down along the textile fabric to dry the textile fabric, and finally roll up the textile fabric after printing and dyeing onto the winding roller;

[0067] The drying drum 22 moves back and forth up and down along the two sides of the textile fabric, thereby ensuring the drying effect of the textile fabric and avoiding wrinkles of the textile fabric caused by long-term high temperature.

[0068] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A textile fabric printing and dyeing device, comprising a workbench (1), a feed roller (2) and a discharge roller (3), characterized in that: Also includes: The printing and dyeing unit arranged on the workbench (1) is used for printing and dyeing textile fabrics. Wherein, the printing and dyeing unit is provided with a compression mechanism and a discharge mechanism, and when the printing and dyeing unit rotates, the compression mechanism can drive the discharge mechanism to discharge the dye to the surface of the printing and dyeing unit; A driving unit is arranged between the workbench (1) and the printing and dyeing unit, and the discharge roller (3) can drive the printing and dyeing unit to rotate synchronously along both sides of the textile fabric through the driving unit; A drying unit is arranged on the workbench (1), and the discharge roller (3) can drive the drying unit to move back and forth along both sides of the textile fabric.

2. A textile fabric printing and dyeing equipment according to claim 1, characterized in that: The printing and dyeing unit comprises a plurality of groups of mounting seats (4) symmetrically fixedly connected to the workbench (1), the sides of the mounting seats (4) close to each other being rotatably connected to the printing and dyeing rollers (5), and the sides of the two groups of mounting seats (4) on one side close to the axis of the printing and dyeing rollers (5) being fixedly connected to the air slip rings (6), The distance between the two groups of printing and dyeing rollers (5) matches the size of the textile fabric, the air slip ring (6) is rotatably connected to the shaft end of the printing and dyeing roller (5), and the printing and dyeing roller (5) is a hollow structure.

3. A textile fabric printing and dyeing equipment according to claim 2, characterized in that: The compression mechanism comprises a mounting groove (7) provided on the mounting seat (4), a cylinder (8) being fixedly connected inside the mounting groove (7), a crank (9) connected to the printing and dyeing roller (5) being rotatably connected inside the mounting groove (7), a piston (10) being slidably connected inside the cylinder (8), and a connecting rod (11) being arranged between the piston (10) and the crank (9), The crank (9) is connected to the axis of the printing and dyeing roller (5), the two ends of the connecting rod (11) are rotatably connected to the piston (10) and the crank (9) respectively, and the connecting rod (11) and the crank (9) are eccentrically arranged.

4. A textile fabric printing and dyeing equipment according to claim 3, characterized in that: The discharge mechanism comprises a mounting plate (51) fixedly connected to the inside of the printing and dyeing roller (5); a vent hole (52) connected to the air slip ring (6) is provided on the shaft of the printing and dyeing roller (5); a plurality of groups of positioning cylinders (53) are fixedly connected to the mounting plate (51); a fixing rod (54) is slidably connected to the inside of the positioning cylinder (53); a first spring (55) is fixedly connected between the fixing rod (54) and the positioning cylinder (53); an end of the fixing rod (54) away from the positioning cylinder (53) is fixedly connected to a limiting cylinder (56); two groups of movable sealing plates (57) are symmetrically slidably connected to the inside of the limiting cylinder (56); a second spring (58) is fixedly connected between the two groups of movable sealing plates (57); The air sliding ring (6) is connected to the air cylinder (8) in the corresponding direction through a pipeline, the limiting cylinder (56) and the movable sealing plate (57) are both tightly fitted with the inner wall of the printing and dyeing roller (5), and the end of the movable sealing plate (57) away from the limiting cylinder (56) is tightly fitted with the inner wall of the printing and dyeing roller (5).

5. The textile fabric printing and dyeing equipment according to claim 3, characterized in that: It also includes an air storage box (12) symmetrically fixedly connected to a side of the mounting seat (4) close to the feed roller (2), a plurality of nozzles (13) are arranged on the side of the air storage box (12) close to the feed roller (2), and the air storage box (12) is connected to the cylinder (8) in the corresponding direction away from the air slip ring (6) through a pipeline. Wherein, the nozzles (13) are respectively located on both sides of the textile fabric and are arranged at an inclination.

6. The textile fabric printing and dyeing equipment according to claim 3, characterized in that: The driving unit comprises a connecting wheel group (14) fixedly connected to the crank (9), a first driving wheel (15) rotatably connected to the discharge roller (3) on the workbench (1), a first belt (16) sleeved between the upper connecting wheel group (14) and the first driving wheel (15), two groups of direction-changing wheels (17) symmetrically rotatably connected to the workbench (1), a second belt (18) sleeved between the two groups of connecting wheel groups (14) and the direction-changing wheels (17), The axis of the connecting wheel set (14) and the axis of the printing roller (5) are located on the same straight line, and the second belt (18) is arranged in an eight-shaped shape between the two connecting wheel sets (14) and the changing wheel (17).

7. The textile fabric printing and dyeing equipment according to claim 1, characterized in that: The drying unit comprises a drying device (19) fixedly connected to a workbench (1); two sets of bidirectional reciprocating screws (20) are symmetrically rotatably connected to the workbench (1); a fixing member (21) is arranged between the bidirectional reciprocating screws (20) on both sides; a drying cylinder (22) is fixedly connected to the side of the fixing member (21) close to each other; The fixing member (21) is provided with a protrusion matching the bidirectional reciprocating screw (20), the drying cylinders (22) are tapered on the sides close to each other, and the two groups of drying cylinders (22) are respectively located on the upper and lower sides of the textile fabric.

8. The textile fabric printing and dyeing equipment according to claim 7, characterized in that: The invention also comprises a driving bevel gear (23) rotatably connected to the workbench (1) and connected to the discharge roller (3); a rotating shaft (24) is rotatably connected to a side of the workbench (1) close to the driving bevel gear (23); a driven bevel gear (25) meshing with the driving bevel gear (23) is fixedly connected to the rotating shaft (24); a second driving wheel (26) is fixedly connected to the rotating shaft (24); a driven wheel (27) is fixedly connected to the bidirectional reciprocating screw (20); and a third belt (28) is sleeved between the second driving wheel (26) and the driven wheel (27).

9. The textile fabric printing and dyeing equipment according to claim 7, characterized in that: The top end of the bidirectional reciprocating screw (20) at least partially extends to the outside of the workbench (1), and the top ends of the two groups of bidirectional reciprocating screws (20) are fixedly connected to linkage wheels (29), and a fourth belt (30) is sleeved between the two groups of linkage wheels (29) for driving the two groups of bidirectional reciprocating screws (20) to rotate synchronously.

10. A printing and dyeing method comprising the textile fabric printing and dyeing equipment according to any one of claims 1 to 9, characterized in that: The following steps are also included: Step 1: The textile fabric is passed through a feed roller (2), a printing and dyeing roller (5) and a discharge roller (3) in sequence, and finally rolled up onto a winding roller, and the textile fabric is rolled up by the winding roller, so that the textile fabric moves between the feed roller (2), the printing and dyeing roller (5) and the discharge roller (3); Step 2: During the movement of the textile fabric, the feed roller (2) and the discharge roller (3) are driven to rotate, and the printing and dyeing roller (5) is driven to rotate on the textile fabric through the driving unit; Step 3: During the rotation of the dyeing roller (5), the compression mechanism intermittently discharges gas into the interior of the dyeing roller (5), thereby increasing the gas pressure inside the dyeing roller (5) and driving the discharge mechanism to add dye to the surface of the dyeing roller (5); Step 4: At the same time, the gas compressed by the compression mechanism is sprayed onto the textile fabric by the nozzle (13) before the textile fabric is printed and dyed, so as to clean the impurities on the surface of the textile fabric; Step 5: After the printing and dyeing is completed, the discharge roller (3) will drive the drying unit to move up and down along the textile fabric to dry the textile fabric, and finally the textile fabric after printing and dyeing is rolled up onto the winding roller.

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