Fluorescent whitening machine for knitted fabric

By integrating the fabric stand, OBA impregnation rolling truck, steam box and cleaning tank into the knitted fabric fluorescent whitening machine, the problems of large space, high energy consumption and low efficiency in the existing technology are solved, and compact and efficient whitening treatment is achieved, which improves the uniformity and quality of the fluorescent whitening of the fabric.

CN223240369UActive Publication Date: 2025-08-19JIANGYIN FUDA DYEING & FINISHING UNITED MACHINERYCO
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Patent Information

Application Number
CN202421977194.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-08-19
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

During the existing fluorescent whitening process of knitted fabrics, the equipment takes up a lot of space, high energy consumption, low efficiency and poor fabric quality, especially poor whitening uniformity.

Method used

An integrated knitted cloth fluorescent whitening machine is designed, and each component is installed on the same base, including a cloth stand, an OBA impregnation rolling truck, a steam box, a cleaning tank and a two-roll rerolling truck. Through the impregnation roll, a traction roll and a high-temperature steam treatment, the OBA solution is uniformly immersed and efficiently cooked, and the rolling pressure is adjusted in combination with the cylinder to ensure uniformity and whitening effect.

Benefits of technology

It realizes a compact, energy-saving and efficient whitening process of equipment, improves the uniformity and quality of the fluorescent whitening of the fabric, reduces fabric damage, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a fluorescent whitening machine for knitted fabric. The fluorescent whitening machine comprises a base (1), and a fabric feeding frame (2), an OBA dipping padder (3), a steaming box (4), a cleaning tank (5), a two-roller heavy padder (6) and a cropping frame (7) which are sequentially arranged on the base (1), the OBA dipping padder (3) comprises an OBA dipping tank (31), a plurality of dipping rollers (32) vertically arranged in the OBA dipping tank (31), a traction box body (33) arranged above the OBA dipping tank (31) and traction rollers (34) arranged in the traction box body (33); and a drainage tank (35) is arranged below the traction box body (33) and is used for guiding the OBA solvent to flow back into the OBA dipping tank (31). The device is integrally designed, and is compact in overall structure, small in occupied space, low in energy consumption, good in whitening effect, high in production efficiency and high in fabric quality.
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Description

Technical Field

[0001] The utility model relates to a knitted fabric fluorescent whitening machine, belonging to the technical field of textile equipment. Background Art

[0002] Optical brightener (OBA) is a chemical substance that can brighten white fabrics by converting ultraviolet wavelengths into visible light, thereby enhancing the luminosity of white fabrics. The existing optical brightening process for knitted fabrics requires the fabric to be soaked in an OBA solution to ensure uniform contact with the brightener. The fabric is then steamed and finally washed and rolled flat. The entire brightening process requires repeated use of multiple specialized equipment. Besides the drawbacks of numerous production facilities, large space requirements, high energy consumption, and low efficiency, it can also easily damage the fabric, causing curling and poor whitening uniformity.

[0003] Therefore, there is an urgent need for a knitted fabric fluorescent whitening machine with small footprint, low energy consumption, good whitening effect, high production efficiency and high fabric quality. Summary of the Invention

[0004] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a knitted fabric fluorescent whitening machine with small footprint, low energy consumption, good whitening effect, high production efficiency and high fabric quality.

[0005] The purpose of this utility model is achieved in this way:

[0006] A knitted fabric fluorescent whitening machine comprises a base, a cloth feeding rack, an OBA dipping padder, a steam box, a cleaning tank, a two-roller re-padder and a cloth dropping rack sequentially arranged on the base; the OBA dipping padder comprises an OBA dipping tank, a plurality of dipping rollers vertically arranged in the OBA dipping tank, a traction box arranged above the OBA dipping tank, and a traction roller arranged in the traction box; a drainage trough is arranged below the traction box to guide the OBA solvent back into the OBA dipping tank.

[0007] Furthermore, four dipping rollers are vertically arranged in the OBA dipping tank, and the roller surfaces of adjacent dipping rollers (32) are tangent to each other in the upper and lower directions.

[0008] Furthermore, the OBA dipping tank is connected to the OBA tank arranged on one side of the base through a pump and a pipeline.

[0009] Furthermore, the steam box is provided with a mesh belt for supporting and conveying the cloth, a cloth feed roller group and a cloth discharge roller group arranged above the left and right ends of the mesh belt, and a water tank for generating high-temperature steam arranged at the bottom of the steam box.

[0010] Furthermore, an electric heating pipe is provided in the water tank, and a U-shaped water seal pipe is provided on the upper edge of the water tank.

[0011] Furthermore, the two-roller heavy rolling mill includes a support seat installed on the base, a lower roller rotatably set on the support seat, an upper roller seat hinged at one end on the support seat, and an upper roller installed on the upper roller seat; a cylinder is hingedly connected between the support seat and the upper roller seat.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] The knitted fabric fluorescent whitening machine of the utility model has various mechanisms installed on the same base. The overall structure of the integrated design is more compact, occupies less space, is more energy-efficient, and has high production efficiency. The OBA impregnation has good uniformity, which makes the fabric fluorescent whitening uniform and has good whitening effect, thereby improving the grade of the knitted fabric. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a structural schematic diagram of a knitted fabric fluorescent whitening machine.

[0015] Figure 2 The utility model is a top view of a knitted fabric fluorescent whitening machine.

[0016] Figure 3 This is a schematic structural diagram of an OBA dipping padder for a knitted fabric fluorescent whitening machine according to the present invention.

[0017] Figure 4 The utility model is a schematic diagram of the steam box structure of a knitted fabric fluorescent whitening machine.

[0018] Figure 5 The utility model is a schematic structural diagram of a two-roller re-rolling car of a knitted fabric fluorescent whitening machine.

[0019] in:

[0020] Base 1, cloth feeding rack 2, OBA impregnation padder 3, steam box 4, cleaning tank 5, two-roller re-padder 6, cloth drop rack 7, OBA tank 8;

[0021] OBA dipping tank 31, dipping roller 32, traction box 33, traction roller 34, drainage trough 35, mesh belt 41, cloth feed roller group 42, cloth discharge roller group 43, water trough 44, electric heating pipe 45, water seal pipe 46, support seat 61, lower roller 62, upper roller seat 63, upper roller 64, cylinder 65. DETAILED DESCRIPTION

[0022] See also Figures 1 to 5 The utility model relates to a knitted fabric fluorescent whitening machine, comprising a base 1, a cloth feed rack 2, an OBA impregnation padder 3, a steamer 4, a cleaning tank 5, a two-roller re-padder 6 and a cloth drop rack 7 arranged on the base 1 in sequence; the cloth feed rack 2 is provided with a centering device for automatic deviation correction to prevent the cloth from deviating;

[0023] The OBA dipping and padding car 3 includes an OBA dipping tank 31, a plurality of dipping rollers 32 vertically arranged in the OBA dipping tank 31, a traction box 33 arranged above the OBA dipping tank 31, and a traction roller 34 arranged in the traction box 33; the OBA dipping tank 31 is connected to the OBA tank 8 arranged on one side of the base 1 through a pump and a pipeline, and the OBA solution in the OBA tank 8 is pumped into the OBA dipping tank 31 until the dipping roller 32 is submerged; in this embodiment, four dipping rollers 32 are arranged, and the roller surfaces of adjacent dipping rollers 32 are tangent to each other from top to bottom. The cloth enters the OBA dipping tank 31 from the cloth feed frame 2 through multiple guide rollers, and passes around the four dipping rollers 32 in the OBA solution from top to bottom. Through multiple cycles of dipping and pressing by the four dipping rollers 32, the cloth is evenly and fully in contact with the OBA, ensuring the uniformity of fluorescent whitening. A drainage trough 35 is provided below the traction box 33 to guide the OBA solvent back into the OBA impregnation tank 31. After being evenly impregnated with OBA, the cloth is squeezed and pulled by the traction roller 34 into the steaming box 4. The OBA solution thrown out by the traction roller 34 and the OBA solution squeezed out of the cloth by squeezing are returned to the OBA impregnation tank 31 through the drainage trough 35.

[0024] The steamer 4 is provided with a mesh belt 41 for supporting and conveying the fabric, a fabric feed roller group 42 and a fabric discharge roller group 43 arranged above the left and right ends of the mesh belt 41, and a water tank 44 at the bottom of the steamer 4 for generating high-temperature steam. An electric heating pipe 45 is provided in the water tank 44, and a U-shaped water seal pipe 46 is provided on the upper edge of the water tank 44 to ensure the overall airtightness of the steamer 4 and save energy. The fabric impregnated with OBA is pulled by the fabric feed roller group 42 and spread flat on the mesh belt 41. The electric heating pipe 45 heats water to form high-temperature steam in the steamer 4, which steams the fabric on the mesh belt 41 at high temperature to ensure a whitening effect. The fabric is then sent to the cleaning tank 5 for cleaning by the fabric discharge roller group 43.

[0025] The two-roller re-roller 6 comprises a support base 61 mounted on the base 1, a lower roller 62 rotatably mounted on the support base 61, an upper roller base 63 hinged at one end to the support base 61, and an upper roller 64 mounted on the upper roller base 63. A cylinder 65 is hingedly connected between the support base 61 and the upper roller base 63. The cylinder 65 adjusts the deflection angle of the upper roller base 63, thereby controlling the pressing force between the upper roller 64 and the lower roller 62. After being cleaned in the cleaning tank 5, the fabric is flattened by the two-roller re-roller 6 and then delivered to the fabric drop rack 7 for collection, completing the fluorescent whitening treatment.

[0026] During production, the fabric to be treated first enters the OBA impregnation tank 31 from the fabric feed rack 2 for uniform impregnation with the OBA brightener. It is then pulled and pressed by the traction roller 34 to squeeze out excess OBA solution before entering the steamer 4 for high-temperature steaming. It then enters the cleaning tank 5 for cleaning, is flattened by a two-roller re-roller 6, and finally is collected by the fabric drop rack 7. The knitted fabric fluorescent whitening machine of the present invention has all its components mounted on the same base 1. The integrated design makes the overall structure more compact, occupies less space, is more energy-efficient, and has high production efficiency. It also achieves excellent uniformity and whitening effect on the fabric, thereby improving the quality of the knitted fabric.

[0027] In addition: It should be noted that the above specific implementation is only an optimization scheme of this patent. Any changes or improvements made by technicians in this field based on the above concept are within the scope of protection of this patent.

Claims

1. A knitted fabric fluorescent whitening machine, comprising a base (1), characterized in that: The invention comprises a cloth feeding rack (2), an OBA impregnation roller (3), a steam box (4), a cleaning tank (5), a two-roller re-roller (6) and a cloth dropping rack (7) which are sequentially arranged on a base (1); the OBA impregnation roller (3) comprises an OBA impregnation tank (31), a plurality of impregnation rollers (32) vertically arranged in the OBA impregnation tank (31), a traction box (33) arranged above the OBA impregnation tank (31), and a traction roller (34) arranged in the traction box (33); a drainage trough (35) is arranged below the traction box (33) to guide the OBA solvent back into the OBA impregnation tank (31).

2. The knitted fabric fluorescent whitening machine according to claim 1, characterized in that: Four dipping rollers (32) are vertically arranged in the OBA dipping tank (31), and the roller surfaces of adjacent dipping rollers (32) are tangent to each other in the upper and lower directions.

3. The knitted fabric fluorescent whitening machine according to claim 1, characterized in that: The OBA dipping tank (31) is connected to the OBA tank (8) provided on one side of the base (1) via a pump and a pipeline.

4. The knitted fabric fluorescent whitening machine according to claim 1, characterized in that: The steam box (4) is provided with a mesh belt (41) for supporting and conveying the cloth, a cloth feed roller group (42) and a cloth discharge roller group (43) arranged above the left and right ends of the mesh belt (41), and a water tank (44) arranged at the bottom of the steam box (4) for generating high-temperature steam.

5. The knitted fabric fluorescent whitening machine according to claim 4, characterized in that: An electric heating pipe (45) is provided in the water tank (44), and a U-shaped water seal pipe (46) is provided on the upper edge of the water tank (44).

6. The knitted fabric fluorescent whitening machine according to claim 1, characterized in that: The two-roller re-rolling machine (6) comprises a support base (61) mounted on a base (1), a lower roller (62) rotatably mounted on the support base (61), an upper roller seat (63) hingedly mounted on the support base (61) at one end, and an upper roller (64) mounted on the upper roller seat (63); a cylinder (65) is hingedly connected between the support base (61) and the upper roller seat (63).