Adjustable spraying assembly for textile spraying and electrical control method thereof

Abstract

The invention relates to an adjustable spraying assembly for textile spraying and an electrical control method of the adjustable spraying assembly. The assembly comprises a lifting module, a rotating module, an equal-distance adjusting module and a spraying head clamping module. The rotating module, the equal-distance adjusting module and the spray head clamping module are all arranged on the spraying frame, and the lifting module is used for achieving overall lifting of the spraying frame; the rotating module comprises a first motor, a first gear, a first worm and gear, a second worm and gear and a baffle, and rotation of the spray head around the z axis is achieved. The equidistant adjusting module comprises a second motor, a second gear, a roller, a sliding block, a transverse rod and a guide groove. The second motor drives the second gear, and then the second gear drives the roller to roll, so that the sliding block is pushed to slide along the guide groove and the cross rod, and the distance between the nozzles is adjusted. Compared with the prior art, the spraying device has the advantages that the height, the angle and the spacing of the spray heads are accurately adjusted, particularly the spacing of the spray heads is flexibly adjusted, the spraying requirements of textiles with different breadths are met, and the spraying uniformity is ensured.

Description

Technical Field

[0001] The invention relates to the technical field of textile spraying, in particular to an adjustable spray assembly for textile spraying and an electrical control method thereof. Background Art

[0002] In the textile industry, traditional dyeing processes usually use a platen or a tenter frame to evenly apply dyes or pigments to textiles. This method requires high temperature conditions, consumes a lot of heat energy, and produces wastewater containing high concentrations of organic matter, heavy metals, salts and other pollutants, causing serious pollution to water and soil. In order to overcome these defects, the modern textile industry continues to develop and promote environmentally friendly dyeing technologies and processes. Atomized spraying is the application of paint, dye or other functional substances to the surface of textiles in the form of a spray, and its application in posters, home decoration, clothing fabrics, etc. is becoming more and more widespread. Compared with traditional dyeing or printing methods, atomized spraying can greatly shorten the production cycle, reduce dye waste, make the fabric smooth and stretchable, have a low liquid carryover rate, and consume less energy.

[0003] At present, various studies have conducted detailed analysis on various atomization spraying devices. For example, Li Long introduced an optical cable grease spraying device, whose design includes a carrier, a support frame, an oil supply pipeline, an oil storage tank, a control module, a grease push mechanism and an image recognition module. The device collects spraying trajectory information through the image recognition module, and uses a solenoid valve and an intelligent pressure gauge to monitor the pressure of the grease, realizing fully automatic grease supply and replenishment. Li Dawei introduced the design of a fully automatic leather spraying machine, which optimizes the spraying thickness and improves the spraying efficiency, while saving paint. Jiang Dongyan proposed a recyclable double-head spraying device, which improves work efficiency by using a rotating table and double nozzles, and reduces costs by recycling paint. Liu Guohao designed an indoor putty spraying device, which optimized the structure and spraying process through three-dimensional modeling and improved the spraying efficiency. Xu Luping developed a rubber tire spraying device, designed a reasonable structure and spraying process, improved the spraying efficiency and saved costs. Xiang Jinhai proposed an environmentally friendly and energy-saving spray extrusion device, which achieved uniform addition and recovery of liquid through spraying and extrusion processes, reducing liquid waste and costs. Guo Qianjin designed a powder spray dust reduction device, which improved environmental protection by collecting powder generated during the spraying process. Tong Hongtuo optimized the spraying equipment in the production of wooden doors and other panel furniture, and improved the spraying process and equipment design through experimental devices.

[0004] However, the spraying devices in the prior art generally have the following shortcomings:

[0005] 1. Lack of flexibility and precision: Such as optical cable oil spraying devices and fully automatic leather spraying machines, these devices perform well in automation and efficiency, but the adjustment flexibility and precision of the nozzles are low, making it difficult to meet diverse spraying needs.

[0006] 2. Limited versatility: For example, a recyclable dual-head spray device is highly efficient in specific applications, but its performance in different types of spraying tasks is not ideal, and its versatility and scope of application are limited.

[0007] 3. Insufficient intelligence and automation: Although the indoor putty spraying device and wooden door spraying equipment have been optimized in the spraying process, there are still deficiencies in intelligent and automated control, which limits the convenience and accuracy of operation.

[0008] 4. Limited ability to handle large-scale tasks: Rubber tire spraying equipment performs poorly in handling large-scale spraying tasks and is difficult to meet the needs of spraying of different scales.

[0009] 5. Insufficient environmental performance and operational flexibility: Environmentally friendly and energy-saving spray extrusion devices and powder spray dust reduction devices have made progress in environmental performance, but there is still room for improvement in operational flexibility and spraying effects, and it is difficult to cope with more complex spraying needs.

[0010] In summary, these shortcomings make the existing technology have certain limitations in responding to diversified and efficient spraying needs, especially the adjustment of nozzle height, angle, spacing, etc. lacks flexibility and precision, and cannot adapt to the needs of varying sizes of sprayed objects. Summary of the invention

[0011] The purpose of the present invention is to provide an adjustable spray assembly for textile spraying and an electrical control method thereof in order to overcome the defects of the above-mentioned prior art. The multi-nozzle width adjustable spray assembly of the present invention solves the shortcomings of the existing devices in terms of operating accuracy, flexibility and cost by precisely adjusting the height, angle and spacing of the nozzles, and can adapt to the spraying needs of textiles of different widths.

[0012] The present invention proposes a spray assembly for textile spraying, which consists of a lifting module, a rotating module, an equidistant adjustment module and a nozzle clamping module. The lifting module is used to adjust the height of the spray frame, the rotating module is used to adjust the rotation angle of the nozzle, the equidistant adjustment module is used to adjust the spacing between the nozzles, and finally the clamping module is used to fix the position of the nozzle, thereby realizing synchronous adjustment of the height, angle and spacing of multiple nozzles, and ensuring the uniformity and stability of spraying.

[0013] In order to further improve the control accuracy and operational convenience of the system, the present invention also designs an electrical control system, which uses a single-chip microcomputer to independently control the rotation angle and spacing of the nozzle. While operating the winch to control the spraying height, the angle and spacing of the nozzle can also be controlled to ensure the accuracy and stability of the spraying process. The electrical control system monitors various parameters in real time through sensors, ensuring efficient and accurate operation of the spraying process, significantly improving the spraying effect and production efficiency, reducing energy consumption and labor costs, and meeting the requirements of modern textile production for efficiency, accuracy and automation.

[0014] The present invention provides an adjustable spray assembly for textile spraying, comprising: a lifting module, a rotating module, an equidistant adjustment module, and a spray head clamping module;

[0015] The rotating module, the equidistant adjustment module and the nozzle clamping module are all arranged on the spray frame, and the lifting module is used to realize the overall lifting of the spray frame;

[0016] The rotation module comprises: a first motor, a first gear, a first worm gear, a second worm gear, and a baffle; the nozzle is rotated around the z-axis by the combined transmission of the first gear and the first worm gear and the second worm gear, and driven by the first motor;

[0017] The equidistant adjustment module includes: a second motor, a second gear, a roller, a slider, a cross bar and a guide groove; the second motor drives the second gear, and the second gear drives the roller to roll, thereby pushing the slider to slide along the guide groove and the cross bar to achieve adjustment of the nozzle spacing; two cross bars with common load-bearing force are designed on the slider to enhance the load-bearing capacity and durability of the system.

[0018] The nozzle clamping module is used for clamping and fixing the nozzle.

[0019] Furthermore, the lifting module comprises: a winch, a steel wire rope, a fixed pulley and a bracket. The lifting module has a simple structure, low cost and stable operation, and is an ideal choice for factory spraying operations.

[0020] Furthermore, the lifting module changes the direction of the force, thereby enabling the spray rack to achieve precise height adjustment within the range of 200 mm to 350 mm.

[0021] Furthermore, the rotating module adopts a worm gear and gear combination, so that the nozzle can be accurately adjusted within the range of -40° to 40°.

[0022] Furthermore, in order to extend its service life, a buckle structure is provided on the baffle to ensure that the worm gear is engaged only when it is required to rotate. When the nozzle angle needs to be adjusted, the worm gear is locked to the left; when it is not required to rotate, the worm gear is pulled out to the right, so that the mechanism can operate stably even under different nozzle spacings.

[0023] Furthermore, by using guide grooves and rollers made of wear-resistant alloy and sliders made of high-strength plastic or light metal, the equal distance adjustment module can flexibly adjust the nozzle spacing to between 80mm and 200mm to meet the spraying requirements of textiles with different widths. This design not only takes up less space and uses less materials, but also has the advantages of low cost, high positioning accuracy and long service life.

[0024] Furthermore, the working principle of the equidistant adjustment module is based on the rolling of the roller and the geometric characteristics of the guide groove. Grooves are opened on the roller to limit the equidistant adjustment between the nozzles, and the nozzle spacing is changed by rotating the roller.

[0025] Furthermore, the nozzle clamping module includes: an upper clamp, a lower clamp, a bolt, a nut, a ring buckle, a trigger and an eye screw;

[0026] Bolts and nuts are used to securely fix the nozzle to the slider to prevent position or angle changes caused by liquid and gas pressure. The ring buckle and trigger further ensure that the nozzle can be stably fixed after adjustment, improving the reliability of the spraying process; the eye screw is used to firmly clamp the nozzle to prevent the nozzle from loosening under high pressure and affecting the spraying effect. In actual operation, the eye screw is first used to fix the nozzle to the lower fixture, then the rotation angle of the nozzle is adjusted, and finally the trigger of the upper fixture is pulled down to complete the fixation. This design ensures the stability and reliability of the nozzle, while allowing angle adjustment when necessary, thereby improving the flexibility and stability of the spraying process, and maintaining the spraying quality and production efficiency even under high pressure.

[0027] Furthermore, the upper clamp and the lower clamp are made of high-strength steel; a locking structure is provided between the upper clamp and the lower clamp to resist the impact force of the fluid while allowing the nozzle to work stably while retaining the rotational freedom.

[0028] The present invention also provides an electrical control method for an adjustable spray assembly, including an electrical control diagram and using a single chip microcomputer to control a motor in the assembly.

[0029] The spray assembly has three modules that need to be controlled, namely the lifting module, the rotation module, and the isometric adjustment module. Accordingly, the system needs to control three variables: spray height h, rotation angle θ, and nozzle spacing d. The lifting module uses two winches to lift the entire device. According to the volume of the lifting module model in the modeling software (0.013m 3 ) and the density of steel (7.8×10 3 kg / m 3), multiplying the two, we can estimate that the mass to be lifted is about 101.4kg, so a small winch is selected. The small winch is an external complete mechanism and is controlled separately; the rotation module and the equidistant adjustment module are controlled by the AT89C51 microcontroller; the motor is a 2-phase 4-wire stepper motor, and the control stepper motor driver chip is the commonly used L298N chip. The specific motor torque is determined according to the following calculation.

[0030] The motor that controls the rotating module needs to overcome the friction torque between the parts. Take a nozzle for observation, which can be abstracted as a disk-shaped entity with R = 20mm and r = 10mm. The disk-shaped entity rotates on a plate with holes, and the disk-shaped entity and the plate with holes generate a friction torque, which is calculated as follows:

[0031]

[0032] According to the volume of the disk-shaped entity in the modeling software (213050mm 3 ) and the density of steel (7.8×10 3 kg / m 3 ), we can calculate that its mass is about 1.66kg. The friction coefficient μ between steel and steel is 0.1, and the acceleration of gravity g is 9.8N / kg. Substituting these into the above, we can calculate the friction torque of a nozzle. When the transmission ratio of the worm gear is 10.6, the transmission efficiency is 0.5 from the mechanical design manual, and the safety factor of the stepper motor is set to 4. From this, we can further calculate that the motor torque controlling the rotation is 1.337N·m, so we choose a 57 series 2-phase 4-wire 2.3N·m stepper motor.

[0033] The motor that controls the equidistant adjustment module needs to overcome the friction torque between the roller and the slider. According to the friction torque formula:

[0034]

[0035] Where r1 is the radius of the roller, r1 = 35 mm; n is the number of nozzles on the spray bar; h is the tangential distance of the center line of the chute, and the tangential distance of each chute is equal, and its value is the height adjustment of the spray rack; F f (i) is the friction force on the i-th nozzle; θ(i) is the angle between the center line of the i-th slide and the axis.

[0036] According to the volume of the slider and roller in the modeling software (677360mm 3 ), the density of steel is ρ(7.8×10 3 kg / m 3), its mass can be calculated to be about 5.28kg; the friction coefficient μ between steel and steel is 0.1, and the acceleration of gravity g is 9.8N / kg. After determining the number of nozzles on the spray rod and the maximum adjustment height of the spray rack, such as n=7, h=85mm, the above parameters are substituted into the formula to calculate the friction torque; and the gear ratio is 2.67, and the transmission efficiency can be found in the mechanical design manual to be 0.9. The safety factor of the stepper motor is set to 4, from which it can be calculated that the motor torque controlling the rotation is 5.453Nm. Select the 86 series 2-phase 4-wire 6.5Nm stepper motor.

[0037] The spray assembly for textile spraying provided by the present invention realizes the precise adjustment of the spraying height h, the rotation angle θ and the nozzle spacing d through the reasonable design of the lifting module, the rotating module, the equidistant adjustment module and the nozzle clamping module. The adjustment function of the nozzle spacing d is particularly important, which can adapt to the spraying requirements of textiles of different widths, thereby ensuring the uniformity of the spraying. This design is not only simple in structure, low in cost and long in life, but also combines an electrical control scheme to control the rotation angle θ and the nozzle spacing d with a single-chip microcomputer. The system accurately controls the position and angle of the nozzle through the cooperation of a 51 single-chip microcomputer and a stepper motor, making the spraying process more stable and reliable. This efficient electrical control scheme further improves the performance of the spray assembly, making it more suitable for widespread application in the textile industry.

[0038] Compared with the prior art, the present invention has the following advantages:

[0039] The textile spraying spray assembly provided by the present invention realizes precise adjustment of the nozzle height, angle and spacing through a reasonably designed lifting module, a rotating module, an equidistant adjustment module and a nozzle clamping module, especially flexible adjustment of the nozzle spacing, adapts to the spraying requirements of textiles of different widths, and ensures the uniformity of the spraying. The design has a simple structure, low cost, and long service life, and is suitable for wide application in the textile industry. BRIEF DESCRIPTION OF THE DRAWINGS

[0040] Figure 1 A schematic diagram of the structure of an adjustable spray assembly for textile spraying;

[0041] Figure 2 It is a structural schematic diagram of the lifting module;

[0042] Figure 3 It is a structural schematic diagram of the rotation module;

[0043] Figure 4 It is a structural schematic diagram of the isometric adjustment module;

[0044] Figure 5 is a schematic diagram of the cross plate guide groove;

[0045] Figure 6It is a structural schematic diagram of the nozzle clamping module;

[0046] Figure 7 This is an abstract diagram of a sprinkler head.

[0047] Figure numerals: I, lifting module; II, rotating module; III, equidistant adjustment module; IV, nozzle clamping module; 1.1, winch; 1.2, wire rope; 1.3, fixed pulley; 1.4, bracket; 1.5, spray rack; 2.1, first motor; 2.2, first gear; 2.3, first worm gear; 2.4, second worm gear; 2.5, baffle; 2.6, snap structure; 3.1, second motor; 3.2, second gear; 3.3, roller; 3.4, slider; 3.5, cross bar; 3.6, guide groove; 4.1, upper clamp; 4.2, bolt; 4.3, nut; 4.4, buckle; 4.5, trigger; 4.6, lower clamp; 4.7, eye screw; 4.8, nozzle. DETAILED DESCRIPTION

[0048] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. Component models, material names, connection structures, control methods, algorithms and other features not clearly described in this technical solution are all considered to be common technical features disclosed in the prior art.

[0049] Example 1

[0050] This embodiment provides an adjustable spray assembly for spraying textiles, such as Figure 1 As shown, it includes: a lifting module I, a rotating module II, an equidistant adjustment module III, and a nozzle clamping module IV;

[0051] The rotating module II, the equidistant adjustment module III, and the nozzle clamping module IV are all arranged on the spray rack 1.5, and the lifting module I is used to realize the overall lifting of the spray rack 1.5;

[0052] like Figure 3 As shown, the rotation module II includes: a first motor 2.1, a first gear 2.2, a first worm gear 2.3, a second worm gear 2.4, and a baffle 2.5; the nozzle 4.8 is rotated around the z-axis through the combined transmission of the first gear 2.2, the first worm gear 2.3, and the second worm gear 2.4, and driven by the first motor 2.1;

[0053] like Figure 4As shown, the equidistant adjustment module III includes: a second motor 3.1, a second gear 3.2, a roller 3.3, a slider 3.4, a cross bar 3.5 and a guide groove 3.6; the second motor 3.1 drives the second gear 3.2, and the second gear 3.2 drives the roller 3.3 to roll, thereby pushing the slider 3.4 to slide along the guide groove 3.6 and the cross bar 3.5 to achieve adjustment of the spacing between the nozzles 4.8; two cross bars 3.5 with common load-bearing force are designed on the slider 3.4 to enhance the load-bearing capacity and durability of the system.

[0054] The nozzle clamping module IV is used to clamp and fix the nozzle 4.8.

[0055] like Figure 2 As shown, in a specific embodiment, the lifting module I comprises: a winch 1.1, a steel wire rope 1.2, a fixed pulley 1.3 and a bracket 1.4. The lifting module I has a simple structure, low cost, stable operation, and is an ideal choice for factory spraying operations.

[0056] In a specific embodiment, the lifting module 1 changes the direction of the force to enable the spray rack 1.5 to achieve precise height adjustment within the range of 200 mm to 350 mm.

[0057] In a specific embodiment, the rotation module II uses a worm gear and a gear combination, so that the nozzle 4.8 can be accurately adjusted within a range of -40° to 40°.

[0058] In a specific embodiment, in order to extend its service life, a buckle structure 2.6 is provided on the baffle 2.5 to ensure that the worm gear is engaged only when it is required to rotate. When the nozzle angle needs to be adjusted, the worm is locked to the left; when it is not required to rotate, the worm is pulled out to the right, so that the mechanism can operate stably even in the case of different nozzle spacings.

[0059] In a specific embodiment, by using the guide groove 3.6 made of wear-resistant alloy, the roller 3.3 and the slider 3.4 made of high-strength plastic or light metal, the equidistant adjustment module III can flexibly adjust the nozzle spacing to between 80mm and 200mm to meet the spraying requirements of textiles with different widths. This design not only takes up less space and uses less materials, but also has the advantages of low cost, high positioning accuracy and long service life.

[0060] In a specific embodiment, the working principle of the equidistant adjustment module III is based on the rolling of the roller 3.3 and the geometric characteristics of the guide groove 3.6. The roller 3.3 is grooved to limit the equidistant adjustment between the nozzles 4.8, and the spacing between the nozzles 4.8 is changed by rotating the roller 3.3.

[0061] Taking 4 nozzles as an example, the horizontal plate guide groove is as follows Figure 5As shown, it is known that: AB=BC=CD; A'B'=B'C'=C'D'; AD∥A”D”∥A'D' (the letters in the figure represent the center point position of the nozzle on the central axis of the guide groove 3.6). Draw a parallel line to AA' through point B, a parallel line to BB' through point C, and a parallel line to CC' through point D.

[0062] ∵AA'∥BE', AB∥A"E", BB'∥CF', BC∥B"F", AB=BC

[0063] ∴A”E”=AB=BC=B”F”

[0064] ∵A”D”∥A'D'

[0065] ∴ΔBE”B”~ΔBE'B', ΔCF”C”~ΔCF'C'

[0066] ∴

[0067]

[0068] ∴A”B”=A”E”+B”E”=B”F”+F”C”=B”C”

[0069] Similarly, B”C”=C”D”

[0070] ∴A”B”=B”C”=C”D”

[0071] That is, from a geometric point of view, when the guide groove 3.6 moves, the distance between the nozzles is equal.

[0072] Similarly, no matter how many parts AD and A'D' are divided into, as long as the straight line in the middle is parallel to AD and A'D', no matter how the straight line moves, the intersection of the straight line and the slot is equally divided, that is, the spacing between the nozzles is equal.

[0073] The transverse plate guide groove structure is covered on the roller 3.3 to obtain the guide groove 3.6. The working principles of the two are exactly the same, but the guide groove 3.6 can greatly reduce the occupied space and material usage, while improving the stability and life of the system.

[0074] like Figure 6 As shown, in a specific embodiment, the nozzle clamping module IV includes: an upper clamp 4.1, a lower clamp 4.6, a bolt 4.2, a nut 4.3, a ring buckle 4.4, a trigger 4.5 and an eye screw 4.7;

[0075] Bolt 4.2 and nut 4.3 are used to firmly fix the nozzle 4.8 on the slider 3.4 to prevent position or angle changes caused by liquid and gas pressure. Ring buckle 4.4 and trigger 4.5 further ensure that the nozzle 4.8 can be stably fixed after adjustment, improving the reliability of the spraying process; eye screw 4.7 is used to firmly clamp the nozzle 4.8 to prevent the nozzle 4.8 from loosening under high pressure environment and affecting the spraying effect. In actual operation, the nozzle 4.8 is first fixed to the lower clamp 4.6 using eye screw 4.7, then the rotation angle of the nozzle 4.8 is adjusted, and finally the trigger 4.5 of the upper clamp 4.1 is pulled down to complete the fixation. This design ensures the stability and reliability of the nozzle, while allowing angle adjustment when necessary, thereby improving the flexibility and stability of the spraying process, and maintaining the spraying quality and production efficiency even under high pressure environment.

[0076] In a specific embodiment, the upper clamp 4.1 and the lower clamp 4.6 are made of high-strength steel; a locking structure is provided between the upper clamp 4.1 and the lower clamp 4.6 to resist the impact force of the fluid while allowing the nozzle 4.8 to work stably while retaining the rotational freedom.

[0077] This embodiment also provides an electrical control method for an adjustable spray assembly, including an electrical control diagram and using a single-chip microcomputer to control a motor in the assembly.

[0078] The spray assembly has three modules that need to be controlled, namely, lifting module I, rotation module II, and isometric adjustment module III. Accordingly, the system needs to control three variables: spraying height h, rotation angle θ, and nozzle spacing d. The lifting module I uses two winches to lift the entire device. According to the volume of the lifting module I model in the modeling software (0.013m 3 ) and the density of steel (7.8×10 3 kg / m 3 ), multiplying the two, we can estimate that the mass to be lifted is about 101.4kg, so a small winch is selected. The small winch is an external complete mechanism and is controlled separately; the rotation module II and the equidistant adjustment module III are controlled by the AT89C51 microcontroller; the motor is a 2-phase 4-wire stepper motor, and the control stepper motor driver chip is the commonly used L298N chip. The specific motor torque is determined according to the following calculation.

[0079] The motor that controls the rotation module II needs to overcome the friction torque between the parts. Take a nozzle for observation and it can be abstracted as Figure 7 As shown in the figure, a disk-shaped entity with R = 20 mm and r = 10 mm rotates on a plate with holes. A friction torque is generated between the disk-shaped entity and the plate with holes, which is calculated as follows:

[0080]

[0081] According to the volume of the disk-shaped entity in the modeling software (213050mm 3 ) and the density of steel (7.8×10 3 kg / m 3 ), we can calculate that its mass is about 1.66kg. The friction coefficient μ between steel and steel is 0.1, and the acceleration of gravity g is 9.8N / kg. Substituting these into the above, we can calculate the friction torque of a nozzle. When the transmission ratio of the worm gear is 10.6, the transmission efficiency is 0.5 from the mechanical design manual, and the safety factor of the stepper motor is set to 4. From this, we can further calculate that the motor torque controlling the rotation is 1.337N·m, so we choose a 57 series 2-phase 4-wire 2.3N·m stepper motor.

[0082] The motor controlling the equidistant adjustment module III needs to overcome the friction torque between the roller 3.3 and the slider 3.4. According to the friction torque formula:

[0083]

[0084] Where r1 is the radius of the roller, r1 = 35 mm; n is the number of nozzles on the spray bar; h is the tangential distance of the center line of the chute, and the tangential distance of each chute is equal, and its value is the height adjustment of the spray rack; F f (i) is the friction force on the i-th nozzle; θ(i) is the angle between the center line of the i-th slide and the axis.

[0085] According to the volume of the slider 3.4 and the roller 3.3 in the modeling software (677360mm 3 ), the density of steel is ρ(7.8×10 3 kg / m 3 ), its mass can be calculated to be about 5.28kg; the friction coefficient μ between steel and steel is 0.1, and the acceleration of gravity g is 9.8N / kg. After determining the number of nozzles on the spray rod and the maximum adjustment height of the spray rack, such as n=7, h=85mm, the above parameters are substituted into the formula to calculate the friction torque; and the gear ratio is 2.67, and the transmission efficiency can be found in the mechanical design manual to be 0.9. The safety factor of the stepper motor is set to 4, from which it can be calculated that the motor torque controlling the rotation is 5.453Nm. Select the 86 series 2-phase 4-wire 6.5Nm stepper motor.

[0086] The spray assembly for textile spraying provided by the present invention realizes the precise adjustment of the spraying height h, the rotation angle θ and the nozzle spacing d through the reasonable design of the lifting module I, the rotating module II, the equidistant adjustment module III and the nozzle clamping module IV. The adjustment function of the nozzle spacing d is particularly important, which can adapt to the spraying requirements of textiles of different widths, thereby ensuring the uniformity of the spraying. This design is not only simple in structure, low in cost and long in life, but also combines an electrical control scheme to control the rotation angle θ and the nozzle spacing d with a single-chip microcomputer. The system accurately controls the position and angle of the nozzle through the cooperation of a 51 single-chip microcomputer and a stepper motor, making the spraying process more stable and reliable. This efficient electrical control scheme further improves the performance of the spray assembly, making it more suitable for widespread application in the textile industry.

[0087] Spraying Example 1: Spraying of Wide Textiles

[0088] On a certain production line, wide-width textiles need to be sprayed, and the width of the wide-width textiles is 2000mm. In order to ensure the uniformity of spraying, it is necessary to adjust the spacing of the nozzles 4.8 so that the effective spraying area is evenly distributed over the entire width of the textile. Through the equidistant adjustment module III in the present invention, the spacing of the nozzles can be accurately adjusted to a suitable distance. The specific operation is as follows: First, start the control system, set the nozzle spacing parameter to 285mm, enable multiple rows of spray racks, and arrange the nozzles between different spray racks in a staggered manner to meet the needs of 2000mm wide textiles and spraying uniformity; then, through the single-chip microcomputer in the electrical control system, control the stepper motor in the equidistant adjustment mechanism to drive the nozzle to slide along the guide groove and adjust to the preset spacing; next, adjust the nozzle height and angle to meet the spraying requirements; finally, use the nozzle clamping module IV to fix the nozzle 4.8 to ensure that the position and angle of the nozzle 4.8 are stable during the spraying process. Through the above steps, the spray assembly can evenly cover the entire wide-width textile and ensure consistent spraying effect.

[0089] Spraying Example 2: Spraying of Narrow Textiles

[0090] On another production line, narrow-width textiles need to be sprayed, and the width of the narrow-width textiles is 800mm. In order to ensure the uniformity of the spraying, the spacing of the nozzles 4.8 needs to be adjusted accordingly. Through the equidistant adjustment module III in the present invention, the spacing of the nozzles 4.8 can be adjusted to a suitable distance. The specific operation is as follows: First, start the control system and set the nozzle 4.8 spacing parameter to 115mm to adapt to the 800mm wide textile; then, through the single-chip microcomputer in the electrical control system, control the stepper motor in the equidistant adjustment module III to drive the nozzle 4.8 to slide along the guide groove 3.6 and adjust it to the preset spacing; next, adjust the height and angle of the nozzle 4.8 to adapt to the spraying requirements; finally, use the nozzle clamping module IV to fix the nozzle 4.8 to ensure that the position and angle of the nozzle 4.8 are stable during the spraying process. Through the above steps, the spray assembly can evenly cover the entire narrow-width textile to ensure consistent spraying effect.

[0091] It can be seen from the above two examples that the textile spraying spray assembly provided in this embodiment realizes the precise adjustment of the height, angle and spacing of the nozzle 4.8 through the reasonably designed lifting module I, rotating module II, equidistant adjustment module III and nozzle clamping module IV, especially the flexible adjustment of the nozzle spacing, which meets the spraying requirements of textiles with different widths and ensures the uniformity of spraying. The design has a simple structure, low cost and long life, and is suitable for wide application in the textile industry.

[0092] Components not described in detail in this embodiment are all existing components that can be purchased through public channels.

[0093] The above description of the embodiments is to facilitate the understanding and use of the invention by those skilled in the art. It is obvious that those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without creative work. Therefore, the present invention is not limited to the above embodiments, and improvements and modifications made by those skilled in the art based on the disclosure of the present invention without departing from the scope of the present invention should be within the scope of protection of the present invention.

Claims

1. An adjustable spray assembly for textile spraying, characterized in that: include: Lifting module (I), rotating module (II), isometric adjustment module (III), nozzle clamping module (IV); The rotating module (II), the equidistant adjustment module (III), and the nozzle clamping module (IV) are all arranged on the spray frame (1.5), and the lifting module (I) is used to realize the overall lifting of the spray frame (1.5); The rotating module (II) comprises: a first motor (2.1), a first gear (2.2), a first worm gear (2.3), a second worm gear (2.4), and a baffle (2.5); the nozzle (4.8) is rotated around the z-axis through the combined transmission of the first gear (2.2), the first worm gear (2.3), and the second worm gear (2.4), and driven by the first motor (2.1); The equidistant adjustment module (III) comprises: a second motor (3.1), a second gear (3.2), a roller (3.3), a slider (3.4), a crossbar (3.5) and a guide groove (3.6); the second motor (3.1) drives the second gear (3.2), and the second gear (3.2) drives the roller (3.3) to roll, thereby pushing the slider (3.4) to slide along the guide groove (3.6) and the crossbar (3.5), thereby achieving adjustment of the distance between the nozzles (4.8); The nozzle clamping module (IV) is used to clamp and fix the nozzle (4.8).

2. The adjustable spray assembly for textile spraying according to claim 1, characterized in that: The lifting module (I) comprises: a winch (1.1), a steel wire rope (1.2), a fixed pulley (1.3) and a bracket (1.4).

3. The adjustable spray assembly for textile spraying according to claim 1, characterized in that: The lifting module (I) changes the direction of the force, thereby enabling the spray rack (1.5) to achieve height adjustment within a range of 200 mm to 350 mm.

4. The adjustable spray assembly for textile spraying according to claim 1, characterized in that: The rotating module (II) adopts a worm gear and a gear combination, so that the spray head (4.8) can be adjusted within the range of -40° to 40°.

5. The adjustable spray assembly for textile spraying according to claim 1, characterized in that: The baffle plate (2.5) is provided with a snap-fit ​​structure (2.6) to ensure that the worm gear is engaged only when rotation is required.

6. The adjustable spray assembly for textile spraying according to claim 1, characterized in that: By using a guide groove (3.6) made of wear-resistant alloy, a roller (3.3) and a slider (3.4) made of high-strength plastic or light metal, the equidistant adjustment module (III) can flexibly adjust the nozzle spacing to between 80 mm and 200 mm to meet the spraying requirements of textiles with different widths.

7. The adjustable spray assembly for textile spraying according to claim 1, characterized in that: The working principle of the equidistant adjustment module (III) is based on the rolling of the roller (3.3) and the geometric characteristics of the guide groove (3.6). The roller (3.3) is grooved to limit the equidistant adjustment between the nozzles (4.8). The spacing between the nozzles (4.8) is changed by rotating the roller (3.3).

8. The adjustable spray assembly for textile spraying according to claim 1, characterized in that: The nozzle clamping module (IV) comprises: an upper clamp (4.1), a lower clamp (4.6), a bolt (4.2), a nut (4.3), a ring buckle (4.4), a trigger (4.5) and a lifting eye screw (4.7); The bolt (4.2) and the nut (4.3) are used to fix the spray head (4.8) on the slide block (3.4), the ring buckle (4.4) and the trigger (4.5) further ensure that the spray head (4.8) can be stably fixed after adjustment, and the eye screw (4.7) is used to firmly clamp the spray head (4.8) to prevent the spray head (4.8) from loosening under high pressure environment and affecting the spraying effect.

9. The adjustable spray assembly for textile spraying according to claim 8, characterized in that: The upper clamp (4.1) and the lower clamp (4.6) are made of high-strength steel; a locking structure is provided between the upper clamp (4.1) and the lower clamp (4.6) to resist the impact force of the fluid while allowing the nozzle (4.8) to work stably while retaining the degree of rotational freedom.

10. An electrical control method for an adjustable spray assembly as claimed in claim 1, characterized in that: Includes electrical control diagrams and the use of a microcontroller to control the motor in the assembly.

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