CN119041132B - A polyester-cotton cloth drying device and use method - Google Patents

A polyester-cotton cloth drying device and use method Download PDF

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Publication number
CN119041132B
CN119041132B CN202411523286.1A CN202411523286A CN119041132B CN 119041132 B CN119041132 B CN 119041132B CN 202411523286 A CN202411523286 A CN 202411523286A CN 119041132 B CN119041132 B CN 119041132B
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CN
China
Prior art keywords
cloth
dyeing
section
heating roller
rotating
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Active
Application number
CN202411523286.1A
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Chinese (zh)
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CN119041132A (en
Inventor
豁争民
李明辉
杨改菲
孙庆谦
赵豪南
张静敏
任英素
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Shijiazhuang Weibaolai Textile Co ltd
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Shijiazhuang Weibaolai Textile Co ltd
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Priority to CN202411523286.1A priority Critical patent/CN119041132B/en
Publication of CN119041132A publication Critical patent/CN119041132A/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B3/00Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating
    • D06B3/10Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D06B15/08Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by scraping
    • D06B15/085Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by scraping by contact with the textile material
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/02Rollers
    • D06B23/028Rollers for thermal treatment
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06BTREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B23/00Component parts, details, or accessories of apparatus or machines, specially adapted for the treating of textile materials, not restricted to a particular kind of apparatus, provided for in groups D06B1/00 - D06B21/00
    • D06B23/30Means for cleaning apparatus or machines, or parts thereof
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06GMECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES
    • D06G1/00Beating, brushing, or otherwise mechanically cleaning or pressure cleaning carpets, rugs, sacks, hides, or other skin or textile articles or fabrics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B13/00Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
    • F26B13/10Arrangements for feeding, heating or supporting materials; Controlling movement, tension or position of materials
    • F26B13/14Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning
    • F26B13/18Rollers, drums, cylinders; Arrangement of drives, supports, bearings, cleaning heated or cooled, e.g. from inside, the material being dried on the outside surface by conduction
    • F26B13/183Arrangements for heating, cooling, condensate removal

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

本发明涉及涤棉布加工技术领域,提出了一种涤棉布干燥装置及使用方法,以布料输送方向为横向,包括机架,机架一端向另一端依次具有清理段、染色段和干燥段,干燥段包括:箱体设置在机架上;加热辊设置在箱体内,加热辊轴线与布料输送方向具有夹角,布料滑动缠绕设置在加热辊上,布料进料方向与出料方向平行。通过上述技术方案,解决了现有技术中涤棉布染色后干燥不充分的问题。

The present invention relates to the technical field of polyester-cotton fabric processing, and proposes a polyester-cotton fabric drying device and a method of using the same. The device comprises a frame with the fabric conveying direction as the horizontal direction, and a cleaning section, a dyeing section and a drying section are sequentially provided from one end of the frame to the other end. The drying section comprises: a box body is arranged on the frame; a heating roller is arranged in the box body, and the axis of the heating roller has an angle with the fabric conveying direction. The fabric is arranged to slide and wrap around the heating roller, and the fabric feeding direction is parallel to the discharging direction. The above technical scheme solves the problem of insufficient drying of polyester-cotton fabric after dyeing in the prior art.

Description

Polyester cotton cloth drying device and use method
Technical Field
The invention relates to the technical field of polyester-cotton cloth processing, in particular to a polyester-cotton cloth drying device and a using method thereof.
Background
In the current production of polyester cotton cloth, the drying process after dyeing has a plurality of problems. Most of the prior art is that the polyester cotton cloth is directly sent out after entering a drying device, so that the polyester cotton cloth in the drying device cannot be sufficiently dried. Traditional drying mode inefficiency, it is long that natural drying or simple hot-blast stoving consume time, seriously influence the production progress, can't satisfy the quick drying demand when mass production, greatly limited the polyester-cotton output. And the drying effect is uneven, partial areas are not completely dried easily, the product quality is affected, and the problem of unstable performance of the polyester cotton cloth in the subsequent processing or using process can be caused.
Disclosure of Invention
The invention provides a polyester cotton cloth drying device and a using method thereof, which solve the problem of insufficient drying of dyed polyester cotton cloth in the related art.
The technical scheme of the invention is as follows:
A polyester cotton cloth drying device, which takes the cloth conveying direction as the transverse direction, comprising:
the frame, frame one end has clearance section, dyeing section and drying section to the other end in proper order, the drying section includes:
the box body is arranged on the rack;
the heating roller is arranged in the box body, the axis of the heating roller and the cloth conveying direction form an included angle, the cloth is wound on the heating roller in a sliding manner, and the feeding direction of the cloth is parallel to the discharging direction.
Optionally, the drying section further comprises:
the rotating frame is arranged in the box body, the rotating frame horizontally rotates and is arranged in the box body, and after the rotating frame rotates, the included angle formed by the axis of the heating roller and the feeding direction of the cloth is increased or decreased.
Optionally, the drying section further comprises:
the heating cover is arranged on the rotating frame and forms a heating space with the heating roller, and the cloth passes through the heating space.
Optionally, the dyeing section includes:
The dyeing box is arranged on the frame, the dyeing box is provided with a dyeing tank, one side of the dyeing tank is provided with a first liquid inlet, the dyeing tank is provided with a guide part, the guide part and the ground are provided with an included angle, the other side of the dyeing tank is provided with a first liquid outlet, and the first liquid outlet is positioned at the bottom of the guide part.
Optionally, the dyeing section further comprises:
The scraper is longitudinally arranged in the dyeing pool in a sliding way, and one side of the scraper is abutted with the guide part;
The guide shaft is longitudinally arranged in the dyeing pool;
The sliding seat is arranged on the guide shaft in a sliding manner;
the two ends of the elastic folding piece are hinged with the scraping plate and the sliding seat respectively, the elastic folding piece is used for providing force for the scraping plate to approach the guide part, and after the sliding seat slides, the scraping plate approaches or is far away from the first liquid outlet.
Optionally, one end of the guiding shaft is provided with a driving wheel, and the driving wheel is located outside the dyeing box and further comprises:
The wiper blade is arranged in the dyeing tank and positioned between the dyeing pool and the drying section, and one end of the wiper blade is used for being abutted against the lower surface of the cloth;
The cleaning plate is transversely arranged in the dyeing box in a sliding manner and is positioned below the wiper blade, one side of the wiper blade is abutted to the bottom of the dyeing box, the cleaning plate is provided with a transmission part, and one side of the transmission part is provided with teeth;
the rotating shaft is rotatably arranged on the frame, one end of the rotating shaft is positioned in the dyeing box and meshed with the teeth, and the other end of the rotating shaft is positioned outside the dyeing box and is in transmission connection with the transmission wheel chain;
The cleaning plate is connected with the extending end of the first telescopic piece, and after the first telescopic piece extends out, the cleaning plate is close to the dyeing pool to enable the rotating shaft to rotate.
Optionally, the method further comprises:
The water accumulating plate is arranged at one end of the water accumulating plate, the other end of the water accumulating plate is rotatably arranged at the other end of the water accumulating plate, the water accumulating plate is far away from one end of the cloth, a water accumulating space is formed between the baffle and the water accumulating plate, after the first telescopic piece contracts, the water accumulating plate is in butt joint with the transmission part, and the water accumulating plate rotates to open the water accumulating space.
Optionally, the cleaning section includes:
The cleaning box is arranged on the rack;
the rotating rollers are hollow and provided with a plurality of air holes, the two rotating rollers are arranged in the cleaning box in a rotating mode, the axes of the rotating rollers are longitudinal, a height difference exists between the two rotating rollers, and the two rotating rollers are respectively abutted to the upper surface and the lower surface of the cloth;
The air suction pipe is arranged in the rotating roller and is overlapped with the axis of the rotating roller.
Optionally, the radial cross section of the rotating roller is non-circular.
A method for using a polyester-cotton cloth drying device uses the polyester-cotton cloth drying device.
The working principle and the beneficial effects of the invention are as follows:
in order to solve the problem of insufficient drying after dyeing of the polyester cotton cloth in the related art, the invention designs a polyester cotton cloth drying device. The cloth conveying direction is taken as the transverse direction. The device comprises a frame, wherein one end of the frame is sequentially divided into a cleaning section, a dyeing section and a drying section from one end to the other end of the frame. In the drying section, a box body is arranged and installed on the frame. The box body is internally provided with a heating roller, and the axis of the heating roller forms a certain included angle with the cloth conveying direction, such as a degree. After entering the box, the cloth is wound on the heating roller in a sliding manner, and the feeding direction and the discharging direction of the cloth are parallel, so that the cloth can be smoothly output from the box after being heated by the heating roller.
The surface of the heating roller is subjected to fine polishing treatment, is relatively smooth, and has no obvious bulges or rough parts. The heating roller is made of a material which is resistant to high temperature and has good heat conductive properties, such as stainless steel. When the heating roller is installed, the accurate installation position of the heating roller is ensured, and the heating roller is well matched with the box body and other parts, so that the cloth can be stably wound on the heating roller in a sliding manner.
The advantage lies in that the surface of the heating roller is relatively smooth, and the damage to the cloth during the sliding winding of the cloth can be effectively avoided. In the drying process of the polyester cotton cloth, the cloth needs to be closely contacted with the heating roller to absorb heat, and if the surface of the heating roller is rough, scratches and other damages are easily generated on the surface of the cloth, so that the quality of the cloth is affected. While a smooth heated roll surface ensures that the cloth maintains a good appearance and quality during drying.
This design improves the reliability and stability of the drying apparatus. The cloth slides and winds on the smooth heating roller more smoothly, and equipment faults and unstable running caused by friction between the cloth and the heating roller are reduced. Meanwhile, the maintenance cost and the maintenance frequency of the equipment are reduced.
Is beneficial to improving the drying efficiency. The smooth surface of the heating roller makes the contact between the cloth and the heating roller tighter, and the heat transfer is more efficient, so that the drying speed of the cloth is increased, and the production efficiency is improved.
Drawings
The above features, technical features, advantages and implementation of the present invention will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and easily understood manner.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of a turret according to the present invention;
FIG. 3 is a schematic view of the internal cross-sectional structure of the present invention;
FIG. 4 is an enlarged view of the invention at A in FIG. 3;
FIG. 5 is an enlarged view of the invention at B in FIG. 3;
FIG. 6 is a schematic cross-sectional view of another embodiment of the present invention;
FIG. 7 is an enlarged view of FIG. 6 at C in accordance with the present invention;
fig. 8 is an enlarged view of fig. 3D in accordance with the present invention.
In the figure, 1, cloth, 2, a frame, 3, a cleaning section, 4, a dyeing section, 5, a drying section, 501, a box body, 502, a heating roller, 503, a rotating frame, 504, a heating cover, 401, a dyeing box, 402, a dyeing tank, 4021, a first liquid inlet, 4022, a guiding part, 4023, a first liquid outlet, 403, a scraping plate, 404, a guiding shaft, 405, a sliding seat, 414, an elastic folding part, 406, a driving wheel, 407, a wiper plate, 408, a cleaning plate, 409, a driving part, 4091, teeth, 410, a rotating shaft, 411, a first telescopic part, 412, a water accumulating plate, 4121, a baffle plate, 301, a cleaning box, 302, a rotating roller, 3021, an air hole, 303 and an air suction pipe.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For simplicity of the drawing, only the parts relevant to the invention are schematically shown in each drawing, and they do not represent the actual structure thereof as a product. In addition, in order to simplify the drawings and facilitate understanding, components having the same structure or function in some drawings are only schematically illustrated in one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one", and "a number" includes "two" and "two or more".
In this context, unless explicitly stated or limited otherwise, the terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or communicate between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
Referring to fig. 1-8, in a first embodiment of the present invention, a polyester-cotton cloth drying device is provided, wherein a conveying direction of a cloth 1 is transverse, the polyester-cotton cloth drying device comprises a frame 2, a cleaning section 3, a dyeing section 4 and a drying section 5 are sequentially arranged from one end to the other end of the frame 2, the drying section 5 comprises a box body 501 arranged on the frame 2, a heating roller 502 is arranged in the box body 501, an included angle is formed between an axis of the heating roller 502 and the conveying direction of the cloth 1, the cloth 1 is wound on the heating roller 502 in a sliding manner, and a feeding direction of the cloth 1 is parallel to a discharging direction.
In this embodiment, in order to solve the problem of insufficient drying after dyeing of the polyester cotton cloth in the related art, a polyester cotton cloth drying device is designed. The conveying direction of the cloth 1 is taken as the transverse direction. The device comprises a frame 2, wherein one end of the frame 2 is divided into a cleaning section 3, a dyeing section 4 and a drying section 5 in sequence from one end to the other end. In the drying section 5, a box 501 is provided which is mounted on the frame 2. A heating roller 502 is arranged in the box 501, and the axis of the heating roller 502 forms a certain included angle with the conveying direction of the cloth 1, for example, 45 degrees. After entering the box 501, the cloth 1 is wound on the heating roller 502 in a sliding manner, and the feeding direction and the discharging direction of the cloth 1 are parallel, so that the cloth 1 can be smoothly output from the box 501 after being heated by the heating roller 502.
The surface of the heated roller 502 is subjected to fine polishing treatment, is relatively smooth, and has no obvious bulges or rough parts. The heating roller 502 is made of a material that is resistant to high temperatures and has good heat conductive properties, such as stainless steel. When the heating roller 502 is installed, the accurate installation position is ensured, and the matching with the box 501 and other components is good, so that the cloth 1 can be stably wound on the heating roller 502 in a sliding way.
The advantage is that the surface of the heating roller 502 is relatively smooth, so that the cloth 1 can be effectively prevented from being damaged when the cloth 1 is wound in a sliding manner. In the drying process of the polyester cotton cloth, the cloth 1 needs to be closely contacted with the heating roller 502 to absorb heat, if the surface of the heating roller 502 is rough, scratches and other damages are easily generated on the surface of the cloth 1, and the quality of the cloth 1 is affected. While a smooth surface of the heated roller 502 ensures that the cloth 1 maintains a good appearance and quality during the drying process.
This design improves the reliability and stability of the drying apparatus. The cloth 1 is more smoothly wound on the smooth heating roller 502 in a sliding way, and equipment faults and unstable running caused by friction between the cloth 1 and the heating roller 502 are reduced. Meanwhile, the maintenance cost and the maintenance frequency of the equipment are reduced.
Is beneficial to improving the drying efficiency. The smooth surface of the heating roller 502 makes the contact between the cloth 1 and the heating roller 502 tighter, and the heat transfer is more efficient, thereby accelerating the drying speed of the cloth 1 and improving the production efficiency.
Further, the drying section 5 further comprises a rotating frame 503, the heating roller 502 is arranged in the box 501 through the rotating frame 503, the rotating frame 503 is horizontally and rotatably arranged in the box 501, and after the rotating frame 503 rotates, an included angle formed between the axis of the heating roller 502 and the feeding direction of the cloth 1 is increased or decreased.
In this embodiment, a firm rotating frame 503 is provided inside the drying section 5 housing 501 of the polyester cotton drying apparatus. The turn frame 503 is made of a high-strength metal material and has excellent stability and bearing capacity. The turret 503 is horizontally mounted in the housing 501 by a precision bearing system to ensure smooth horizontal rotation. A heating roller 502 is installed in this rotating frame 503, and the connection of the heating roller 502 and the rotating frame 503 is tight and firm.
When facing the different width of the cloth 1 of the polyester cotton cloth, the operator can drive the rotating frame 503 to rotate by an external control device. For example, when a wider cloth 1 is processed, the rotating frame 503 is controlled to be rotated counterclockwise by a certain angle, so that the position of the heating roller 502 is adjusted accordingly, thereby accommodating the width variation of the cloth 1. In this process, it is always ensured that the feed direction of the cloth 1 is parallel to the discharge direction. For narrower cloth 1, the turret 503 can be rotated clockwise, and the smooth conveyance and directional consistency of the cloth 1 are also ensured.
In order to achieve accurate angle adjustment, an angle sensor may be installed on the rotating frame 503, and the rotating angle of the rotating frame 503 is monitored in real time and data is fed back to the control system. The control system can automatically adjust the angle of the rotating frame 503 according to preset parameters and the actual width of the cloth 1 so as to achieve the optimal drying effect.
The advantage is that can adjust the angle of heating roller 502 in a flexible way according to the cotton cloth 1 of different width, greatly improve the commonality and the adaptability of equipment. Different heating angles and positions are needed for the cloth 1 with different widths in the drying process, and the drying requirements of various cloth 1 can be met through the adjustment of the rotating frame 503, so that the trouble that equipment needs to be replaced or complicated adjustment is needed due to the width change of the cloth 1 is reduced.
The feeding direction of the cloth 1 with different widths is ensured to be parallel to the discharging direction all the time, stable conveying of the cloth 1 in the drying process is ensured, and folds and deformation of the cloth 1 are reduced. This is important for improving the drying quality and the appearance quality of the cloth 1, and avoids the problem of local overheating or uneven drying caused by uneven transportation of the cloth 1.
Further, the drying section 5 further includes a heating mantle 504, the heating mantle 504 is provided on the rotating frame 503, and forms a heating space with the heating roller 502, through which the cloth 1 passes.
In this embodiment, a heating hood 504 is provided on the turret 503 in the polyester cotton cloth drying apparatus. The heating mantle 504 is made of a material having high temperature resistance and good heat insulation performance, and forms a heating space together with the heating roller 502 to improve the drying efficiency of the cloth 1. The heating roller 502 is designed to be rotatable, and when the cloth 1 needs to be wound around the heating roller 502, one end of the cloth 1 is temporarily fixed at a specific position of the heating roller 502, and then the heating roller 502 is rotated manually or electrically. As the heating roller 502 rotates, the cloth 1 is gradually wound around the heating roller 502. After the cloth 1 is completely wound around the heating roller 502, one end of the cloth 1 is taken down from the other side of the heating roller 502 and fixed on the winding device. When the drying operation is performed, the heating roller 502 is kept stationary and is not rotated, and the cloth 1 is heated and dried only by the heating space formed by the heating roller 502 and the heating mantle 504.
To ensure stability of the cloth 1 during winding and removal, limiting devices may be provided at both ends of the heating roller 502 to prevent the cloth 1 from being deviated or slipped during operation. Meanwhile, a tension adjusting device is arranged between the winding device and the heating roller 502 to ensure that the tension of the cloth 1 in the drying process is moderate, and the influence of overtightening or loosening on the drying effect is avoided.
The advantage is that the heating roller 502 is designed to be rotatable, which facilitates the winding operation of the cloth 1. In the conventional drying apparatus, it is difficult to wind the cloth 1 around the heating roller 502 due to the provision of the heating mantle 504. And rotatable heating roller 502 makes operating personnel can easily twine cloth 1 on heating roller 502, has improved work efficiency, has reduced the operation degree of difficulty.
By temporarily fixing one end of the cloth 1 on the heating roller 502, rotating the heating roller 502 to wind, and then taking down the cloth 1 fixed on the winding device, stable conveying of the cloth 1 in the drying process is ensured. The problems of wrinkling, overlapping and the like of the cloth 1 in the winding process are avoided, and the drying quality is improved.
The heating roller 502 does not rotate during the drying operation, and the stability of the heating process is ensured. The problems of shaking, position deviation and the like of the cloth 1 possibly caused by the rotation of the heating roller 502 are avoided, so that the cloth 1 can be uniformly heated, and the consistency and reliability of the drying effect are further improved.
Further, the dyeing section 4 includes a dyeing tank 401, the dyeing tank 401 is disposed on the frame 2, the dyeing tank 401 is provided with a dyeing tank 402, one side of the dyeing tank 402 is provided with a first liquid inlet 4021, the dyeing tank 402 is provided with a guiding portion 4022, the guiding portion 4022 and the ground are provided with an included angle, the other side of the dyeing tank 402 is provided with a first liquid outlet 4023, and the first liquid outlet 4023 is located at the bottom of the guiding portion 4022.
In this embodiment, in the polyester-cotton drying apparatus, the dyeing section 4 is provided with a dyeing tank 401, and the dyeing tank 401 is firmly mounted on the frame 2. A dye tank 402 is provided inside the dye tank 401 for accommodating a dye solution. A guide part 4022 is arranged at the bottom of the dyeing tank 402, the guide part 4022 is made of a smooth corrosion-resistant material, and the shape and the gradient of the guide part are carefully designed, so that the flow of dyeing liquid can be effectively guided. The guide part 4022 is inclined from one side of the dyeing tank 402 to the first liquid outlet 4023 at the bottom, so that dyeing liquid can naturally flow to the first liquid outlet 4023, and the discharge and replacement of the dyeing liquid are facilitated.
The cloth 1 enters the dyeing tank 402 by driven rollers immersed in the dyeing tank 402 to be dyed. The driven roller is installed at a specific position in the dyeing tank 402, and the height and angle thereof can be adjusted according to the thickness and tension requirement of the cloth 1. The cloth 1 is guided by the driven roller to smoothly enter the dyeing tank 402 and fully soaked in the dye solution, so that the uniformity and the depth of the dyeing effect are ensured.
The advantage lies in that, the setting of guide 4022 makes the dyeing liquid flow to first liquid outlet 4023 better, has made things convenient for the discharge and the change of dyeing liquid, has improved the efficiency of dyeing operation. At the same time, the design of the guide 4022 also helps to reduce the residue of the dyeing liquid in the dyeing tank 402, and reduces the waste of dye and pollution to the environment.
Further, the dyeing section 4 further comprises a scraping plate 403, the scraping plate 403 is longitudinally and slidably arranged in the dyeing pool 402, one side of the scraping plate 403 is abutted against the guide part 4022, the guide shaft 404 is longitudinally arranged in the dyeing pool 402, the sliding seat 405 is slidably arranged on the guide shaft 404, two ends of the elastic folding piece 414 are hinged with the scraping plate 403 and the sliding seat 405 respectively and used for providing force for the scraping plate 403 to approach the guide part 4022, and after the sliding seat 405 slides, the scraping plate 403 approaches or approaches to the first liquid outlet 4023.
In this embodiment, in the dyeing section 4 of the cotton-polyester drying apparatus, a scraper 403 is longitudinally slidably disposed in the dyeing tank 402. The squeegee 403 is made of a wear-resistant and corrosion-resistant material that can slide longitudinally smoothly within the dye vat 402. The squeegee 403 is kept in a longitudinally sliding state throughout the dyeing process of the cloth 1. The main purpose of the dyeing liquid stirring device is to stir the dyeing liquid, prevent the precipitation and layering of the dyeing liquid through continuous sliding movement, and ensure that the dyeing liquid always keeps a uniform state, thereby improving the dyeing quality of the cloth 1.
When the dye pool 402 needs to be emptied, the sliding of the scraper 403 can accelerate the discharge of the dye liquid to the first liquid outlet 4023. The movement of the scraper 403 in the dyeing tank 402 can push the dyeing liquid to flow, so that the dyeing liquid flows out of the dyeing tank 402 more quickly, and the cleaning efficiency of the dyeing tank 402 is improved. In addition, the scraper 403 can clean the dye bath 402 to prevent the dye liquid from remaining. Since the guide 4022 in the dye vat 402 is angled with respect to the ground, a resilient fold 414 is designed between the slide 405 and the squeegee 403 to accommodate this angle change.
The elastic folding member 414 is composed of two connection plates and a torsion spring. The torsional spring sets up the junction at two connecting plates, and the other end of two connecting plates is connected with sliding seat 405 and scraper blade 403 through articulated mode respectively. During the sliding process of the scraper 403, the elastic folding piece 414 can provide the force of the scraper 403 approaching the guide part 4022 and the dyeing tank 402 at any time, so that the scraper 403 is ensured to be in close contact with the bottom of the dyeing tank 402, and the stirring, cleaning and accelerating of the discharge of the dyeing liquid are effectively performed. Meanwhile, as the elastic folding piece 414 can be folded along with the angle of the guide part 4022, the structure is prevented from being blocked due to the included angle of the guide part 4022 in the sliding process of the scraping plate 403.
The advantage is that the vertical slip of scraper 403 can stir the dyeing liquid effectively, prevents the dyeing liquid and deposits layering, has guaranteed the homogeneity and the quality stability of cloth 1 dyeing. When the dyeing pond 402 is emptied, the scraping plate 403 can accelerate the discharge of the dyeing liquid, so that the cleaning efficiency of the dyeing pond 402 is improved, and the equipment maintenance time is shortened.
The design of the elastic folding piece 414 enables the scraping plate 403 to adapt to the change of the included angle of the guide part 4022 in the dyeing tank 402, ensures that the scraping plate 403 is always in close contact with the bottom of the dyeing tank 402, and improves the effects of stirring, cleaning and accelerating the discharge of dyeing liquid. The combination of the torsion spring and the connecting plate not only provides enough elastic force, but also ensures the stability and reliability of the structure.
Further, one end of the guiding shaft 404 is provided with a driving wheel 406, the driving wheel 406 is positioned outside the dyeing box 401, the cleaning device further comprises a wiper plate 407, the wiper plate 407 is arranged in the dyeing box 401 and positioned between the dyeing tank 402 and the drying section 5, one end of the wiper plate 407 is used for being abutted against the lower surface of the cloth 1, the cleaning plate 408 is transversely arranged in the dyeing box 401 and positioned below the wiper plate 407, one side of the wiper plate 407 is abutted against the bottom of the dyeing box 401, the cleaning plate 408 is provided with a driving part 409, one side of the driving part 409 is provided with teeth 4091, a rotating shaft 410 is rotatably arranged on the rack 2, one end of the rotating shaft 410 is positioned in the dyeing box 401 and meshed with the teeth 4091, the other end of the rotating shaft 410 is positioned outside the dyeing box 401 and is in chain driving connection with the driving wheel 406, the first telescopic piece 411 is arranged in the rack 2, and the cleaning plate 408 is connected with the extending end of the first telescopic piece 411 extends, and the cleaning plate 408 is close to the dyeing tank 402 so that the rotating shaft 410 rotates.
In this embodiment, in the polyester cotton cloth drying apparatus, a driving wheel 406 is installed at one end of the guide shaft 404, and the driving wheel 406 is located outside the dyeing tank 401. In the dyeing tank 401, a wiper plate 407 is installed between the dyeing tank 402 and the drying section 5, the wiper plate 407 is made of a rubber material with good elasticity and wear resistance, and one end of the wiper plate is closely abutted against the lower surface of the cloth 1. The wiper blade 407 is capable of effectively wiping off excessive moisture on the cloth 1 when the cloth 1 passes the wiper blade 407.
A cleaning plate 408 is provided to slide laterally under the wiper blade 407, and the cleaning plate 408 is made of a high-strength corrosion-resistant material. One side of the cleaning plate 408 is closely contacted with the bottom of the staining tank 401 for cleaning the bottom of the staining tank 401 from the staining solution scraped off by the wiper plate 407 and impurities that may be precipitated.
The cleaning plate 408 is provided with a transmission part 409, and one side of the transmission part 409 is provided with teeth 4091. A rotating shaft 410 is rotatably installed on the frame 2, one end of the rotating shaft 410 is positioned in the dyeing box 401 and meshed with a tooth 4091 on the transmission part 409, and the other end of the rotating shaft is positioned outside the dyeing box 401 and is connected with the transmission wheel 406 in a chain transmission way through a chain. A first telescopic member 411 is installed in the frame 2, and the first telescopic member 411 may be an electric push rod, a hydraulic rod, or the like. The cleaning plate 408 is connected with the extending end of the first telescopic member 411, when the first telescopic member 411 extends, the cleaning plate 408 is pushed to slide transversely below the wiper plate 407 and close to the dyeing pool 402, at this time, the rotating shaft 410 rotates, and the driving wheel 406 is driven to rotate through chain transmission, so that the rotation of the guide shaft 404 is controlled, and the sliding of the scraping plate 403 in the dyeing pool 402 is affected.
The advantage is that, setting up of clearance board 408 can in time clear up the staining solution of staining tank 401 bottom owing to wiper 407 scrapes down and the impurity of probably settling, keeps the cleanness of staining tank 401 bottom, avoids accumulation of staining solution and impurity to produce harmful effect to follow-up dyeing process. Meanwhile, the sliding design of the cleaning plate 408 makes the cleaning work more efficient and convenient, and the cleaning operation can be performed at any time as required.
The cooperation of the driving wheel 406, the rotating shaft 410, the driving part 409 and the first telescopic piece 411 realizes the linkage control of the scraping plate 403, the wiper plate 407 and the cleaning plate 408, and improves the automation degree and the working efficiency of the equipment. Multiple functions can be realized simultaneously through one operation action, so that the operation steps and the labor cost are reduced.
Further, the water collecting plate 412 is further included, one end of the water collecting plate 412 is provided with a baffle 4121, the other end of the water collecting plate 412 is rotatably arranged at one end, far away from the cloth 1, of the wiper plate 407, a water collecting space is formed between the baffle 4121 and the wiper plate 407, after the first telescopic piece 411 is contracted, the water collecting plate 412 is in release contact with the transmission part 409, the water collecting plate 412 rotates, and the water collecting space is opened.
In this embodiment, in the cotton-cloth drying apparatus, in order to solve the problem that when the cleaning plate 408 slides toward the dyeing tank 402 after the first expansion member 411 is extended, the dyeing liquid scraped by the wiper 407 falls on the other side of the cleaning plate 408 and may be pushed toward the first expansion member 411 along with the shrinkage of the first expansion member 411, thereby causing liquid residue and shortening the service life of the first expansion member 411, the water accumulation plate 412 is designed. One end of the water trap 412 has a blocking plate 4121, and the other end is rotatably disposed at an end of the wiper blade 407 remote from the cloth 1.
When the first telescopic member 411 is extended, the cleaning plate 408 is close to the dye vat 402, and the water accumulation plate 412 is in a horizontal state. A water accumulation space is formed between the baffle 4121 and the wiper plate 407, and the staining solution scraped by the wiper plate 407 can fall into the water accumulation space for temporary storage. When the first telescopic member 411 is contracted, the abutment rod is released from abutment with the water accumulation plate 412. Under the action of gravity, the water accumulation plate 412 rotates to a vertical state, so that the dyeing liquid in the water accumulation space slides down. Thereafter, when the first telescopic member 411 is again extended, the cleaning plate 408 repeats the cleaning operation, and the water accumulating plate 412 is again returned to the horizontal state to be ready to receive the dyeing liquid scraped off by the wiper plate 407.
The advantage is that through setting up ponding board 412, effectively solved the dyeing liquid that wiper plate 407 scraped and probably led to the fact the harmful effect to first expansion piece 411. Liquid residue is avoided, the service life of the first telescopic member 411 is prolonged, and the maintenance cost of the equipment is reduced.
The design of the water accumulation plate 412 can automatically collect and discharge the dyeing liquid without manual intervention, so that the automation degree and the working efficiency of the equipment are improved. In the cleaning operation process, the water accumulation plate 412 can automatically adjust the position according to the telescopic state of the first telescopic piece 411, so that reasonable treatment of the dyeing liquid is ensured, and stable operation of the equipment is ensured.
Further, the cleaning section 3 comprises a cleaning box 301, rotating rollers 302, wherein the cleaning box 301 is arranged on the frame 2, the rotating rollers 302 are hollow and provided with a plurality of air holes 3021, the rotating rollers 302 are two, the two rotating rollers 302 are arranged in the cleaning box 301 in a rotating mode, the axes of the rotating rollers 302 are longitudinal, a height difference exists between the two rotating rollers 302, the two rotating rollers 302 are respectively abutted to the upper surface and the lower surface of the cloth 1, and an air suction pipe 303 is arranged in the rotating rollers 302 and coincides with the axes of the rotating rollers 302.
In this embodiment, in the polyester-cotton cloth drying apparatus, the cleaning section 3 is provided with a cleaning tank 301, and the cleaning tank 301 is firmly mounted on the frame 2. Two rotating rollers 302 are longitudinally arranged in the cleaning box 301 in a rotating mode, the rotating rollers 302 are of a hollow structure, and a plurality of air holes 3021 are uniformly distributed in the surface of the rotating rollers. The two rotating rollers 302 are respectively abutted against the upper surface and the lower surface of the cloth 1, and can clean the cloth 1 comprehensively in the rotating process.
The suction pipe 303 is provided in the rotating roller 302 and coincides with the axis of the rotating roller 302. The suction pipe 303 is connected with external dust collection equipment, and when the rotating roller 302 rotates, impurities on the surface of the cloth 1 are sucked into the suction pipe 303 through the air holes 3021, so that efficient cleaning of the cloth 1 is achieved.
The advantage is that two live rollers 302 in clearance case 301 can clear up the upper surface and the lower surface of cloth 1 comprehensively, effectively get rid of the impurity on cloth 1 surface, improves the quality of cloth 1. The hollow structure and the design of the air hole 3021, in combination with the suction pipe 303 and the dust suction device, enable an efficient cleaning effect to be achieved, ensuring that the cloth 1 remains clean before entering the subsequent dyeing and drying stage.
The whole cleaning section 3 is designed to improve the overall performance of the polyester cotton cloth drying device, reduce the adverse effect on the dyeing and drying process caused by impurities on the surface of the cloth 1, and improve the production efficiency and the product quality.
Further, the radial cross section of the rotating roller 302 is non-circular.
In this embodiment, in the cleaning section 3 of the polyester-cotton drying apparatus, the radial section of the rotating roller 302 is carefully designed to be non-circular, for example, the rotating roller 302 is designed to be in the shape of a regular hexagon. The rotating roller 302 is made of a high strength and wear resistant material that ensures stable structure and performance over long periods of operation. The two rotating rollers 302 are respectively arranged in the cleaning box 301 by precise bearings in a longitudinal rotation manner and are closely abutted with the upper surface and the lower surface of the cloth 1.
When the hexagonal rotating roller 302 conveys the cloth 1, the cloth 1 may vibrate during contact with the rotating roller 302 due to its unique shape. This vibration effectively causes impurities on the cloth 1 to fall off as much as possible. For example, when the cloth 1 moves forward by the driving of the rotating roller 302, the hexagonal corners periodically contact the cloth 1, thereby generating minute vibration waves, which are transmitted to various portions of the cloth 1, and loosening and separating impurities attached to the cloth 1.
The advantage is that the design of the regular hexagon rotating roller 302 can utilize the shape characteristics of the regular hexagon rotating roller to generate vibration in the process of conveying the cloth 1, so that impurities on the cloth 1 are caused to fall off as much as possible, and the cleaning effect is greatly improved. Compared with the conventional circular rotating roller 302, the hexagonal rotating roller 302 can remove impurities on the surface of the cloth 1 more effectively, and provides cleaner cloth 1 for the subsequent dyeing and drying process.
The design improves the overall performance of the equipment, so that the polyester cotton cloth drying device can be better adapted to cloth 1 with different quality and pollution degree, and the universality and the reliability of the equipment are improved. Meanwhile, the product quality problem caused by impurity residues is reduced, and the production cost and the maintenance cost are reduced.
A method for using a polyester-cotton cloth drying device uses the polyester-cotton cloth drying device.
In this example, first, the polyester-cotton cloth to be treated is placed in the starting position of the apparatus and is brought into the cleaning section 3. In the cleaning section 3, the cloth 1 is contacted with the hexagonal rotating roller 302, and the rotating roller 302 rotates to drive the cloth 1 to move forward, and the cloth 1 vibrates due to the special shape of the rotating roller 302, so that impurities on the cloth 1 are loosened and fall off as much as possible. Meanwhile, the dust collection equipment connected with the air suction pipe 303 sucks impurities through the air holes 3021 on the surface of the rotating roller 302, and preliminary cleaning of the cloth 1 is achieved.
Next, the cloth 1 enters the dyeing section 4. The cloth 1 enters the dyeing tank 402 through the driven roller soaked in the dyeing tank 402 to be dyed, and the guide part 4022 guides the flow of the dyeing liquid in the dyeing process to ensure that the cloth 1 is sufficiently dyed. The scraper 403 is continuously slid longitudinally to stir the dye solution to prevent precipitation and delamination, and simultaneously accelerate discharge of the dye solution and clean the dye tank 402 to prevent residue when the dye tank 402 needs to be emptied. The wiper 407 scrapes off the excess dye solution on the cloth 1, and the cleaning plate 408 cleans the impurities at the bottom of the dye tank 401.
Finally, the cloth 1 enters a drying section 5. One end of the cloth 1 is temporarily fixed on the rotatable heating roller 502, the heating roller 502 is rotated to wind the cloth 1 thereon, and then one end of the cloth 1 is taken out from the other side and fixed on the winding device. During drying, the heating roller 502 does not rotate, the heating space formed by the heating roller 502 and the heating cover 504 heats and dries the cloth 1, and meanwhile, the rotating frame 503 can adjust the angle of the heating roller 502 according to the width of the cloth 1, so that the feeding direction of the cloth 1 with different widths is always parallel to the discharging direction.
The method has the advantages that the functions of the polyester-cotton cloth drying device are fully exerted, and the integral treatment from cleaning, dyeing and drying of the polyester-cotton cloth is realized. The hexagonal rotating roller 302 and dust collection equipment of the cleaning section 3 effectively remove impurities on the cloth 1, and provide a good basis for subsequent dyeing and drying. Each structure of the dyeing section 4 ensures the dyeing quality and efficiency of the cloth 1. The adjustable heating roller 502 and the heating mantle 504 of the drying section 5 can adapt to cloth 1 with different widths, and the drying effect and the universality of the equipment are improved.
The whole using method has clear flow, is simple and convenient to operate, can improve the production efficiency and reduces the labor intensity. Meanwhile, through the synergistic effect of each stage, the stable quality of the polyester cotton cloth is ensured, the quality problem caused by mismatching of different treatment links is reduced, and the market competitiveness of the product is improved.
It should be noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present invention may be modified or substituted without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered in the scope of the claims of the present invention.

Claims (4)

1. A polyester cotton cloth drying device, characterized in that the conveying direction of cloth (1) is transverse, comprising:
frame (2), frame (2) one end has clearance section (3), dyeing section (4) and drying section (5) to the other end in proper order, drying section (5) include:
The box body (501), the said box body (501) is set up on said stander (2);
The heating roller (502) is arranged in the box body (501), an included angle is formed between the axis of the heating roller (502) and the conveying direction of the cloth (1), the cloth (1) is arranged on the heating roller (502) in a sliding winding mode, and the feeding direction of the cloth (1) is parallel to the discharging direction;
The drying section (5) further comprises:
the heating roller (502) is arranged in the box body (501) through the rotating frame (503), the rotating frame (503) is horizontally and rotatably arranged in the box body (501), and after the rotating frame (503) rotates, an included angle formed by the axis of the heating roller (502) and the feeding direction of the cloth (1) is increased or decreased;
The drying section (5) further comprises:
A heating mantle (504), wherein the heating mantle (504) is arranged on the rotating frame (503) and forms a heating space with the heating roller (502), and the cloth (1) passes through the heating space;
the dyeing section (4) comprises:
The dyeing box (401), the dyeing box (401) is arranged on the rack (2), the dyeing box (401) is provided with a dyeing tank (402), one side of the dyeing tank (402) is provided with a first liquid inlet (4021), the dyeing tank (402) is provided with a guide part (4022), the guide part (4022) has an included angle with the ground, the other side of the dyeing tank (402) is provided with a first liquid outlet (4023), and the first liquid outlet (4023) is positioned at the bottom of the guide part (4022);
the dyeing section (4) further comprises:
a scraper (403), wherein the scraper (403) is longitudinally and slidably arranged in the dyeing pool (402), and one side of the scraper (403) is abutted with the guide part (4022);
-a guiding shaft (404), said guiding shaft (404) being longitudinally arranged within said dyeing tank (402);
A sliding seat (405), wherein the sliding seat (405) is slidably arranged on the guide shaft (404);
the two ends of the elastic folding piece (414) are respectively hinged with the scraping plate (403) and the sliding seat (405) and are used for providing force for the scraping plate (403) to approach the guide part (4022), and after the sliding seat (405) slides, the scraping plate (403) approaches or is far away from the first liquid outlet (4023);
One end of the guide shaft (404) is provided with a driving wheel (406), and the driving wheel (406) is positioned outside the dyeing box (401) and further comprises:
a wiper plate (407), wherein the wiper plate (407) is arranged in the dyeing tank (401) and is positioned between the dyeing pool (402) and the drying section (5), and one end of the wiper plate (407) is used for being abutted with the lower surface of the cloth (1);
The cleaning plate (408), the cleaning plate (408) is arranged in the dyeing box (401) in a transverse sliding manner and is positioned below the wiper plate (407), one side of the cleaning plate (408) is abutted to the bottom of the dyeing box (401), the cleaning plate (408) is provided with a transmission part (409), and one side of the transmission part (409) is provided with teeth (4091);
The rotary shaft (410) is rotatably arranged on the frame (2), one end of the rotary shaft (410) is positioned in the dyeing box (401) and meshed with the teeth (4091), and the other end of the rotary shaft (410) is positioned outside the dyeing box (401) and connected with the driving wheel (406) in a chain transmission manner;
The cleaning plate (408) is connected with the end of the first telescopic piece (411), and after the first telescopic piece (411) stretches out, the cleaning plate (408) is close to the dyeing pool (402) to enable the rotating shaft (410) to rotate;
Further comprises:
Ponding board (412), ponding board (412) one end has baffle (4121), ponding board (412) other end rotates to set up wiper board (407) are kept away from cloth (1) one end, baffle (4121) with form ponding space between wiper board (407), after first extensible member (411) shrink, ponding board (412) with transmission portion (409) release the butt, ponding board (412) rotate, open ponding space.
2. A polyester-cotton cloth drying apparatus according to claim 1, characterized in that the cleaning section (3) comprises:
A cleaning box (301), wherein the cleaning box (301) is arranged on the frame (2);
the rotating rollers (302) are hollow and provided with a plurality of air holes (3021), the rotating rollers (302) are two, the two rotating rollers (302) are both rotatably arranged in the cleaning box (301), the axis of each rotating roller (302) is longitudinal, a height difference exists between the two rotating rollers (302), and the two rotating rollers (302) are respectively abutted to the upper surface and the lower surface of the cloth (1);
And an air suction pipe (303), wherein the air suction pipe (303) is arranged in the rotating roller (302) and is overlapped with the axis of the rotating roller (302).
3. A polyester-cotton cloth drying apparatus according to claim 1, characterized in that the radial cross section of the rotating roller (302) is non-circular.
4. A method of using a polyester-cotton drying apparatus according to any one of claims 1 to 3, comprising:
S1, placing the cloth (1) to be treated at a starting position to enable the cloth to enter the cleaning section (3) so as to realize preliminary cleaning of the cloth (1);
s2, enabling the cloth (1) to enter the dyeing section (4), and enabling the cloth (1) to enter the dyeing section (4) through a driven roller soaked in the dyeing section (4) for dyeing;
S3, enabling the cloth (1) to enter the drying section (5), temporarily fixing one end of the cloth (1) on the rotatable heating roller (502), rotating the heating roller (502) to enable the cloth (1) to be wound on the heating roller, and then taking down one end of the cloth (1) from the other side to be fixed on the winding device.
CN202411523286.1A 2024-10-30 2024-10-30 A polyester-cotton cloth drying device and use method Active CN119041132B (en)

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Application Number Priority Date Filing Date Title
CN202411523286.1A CN119041132B (en) 2024-10-30 2024-10-30 A polyester-cotton cloth drying device and use method

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Application Number Priority Date Filing Date Title
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CN119041132B true CN119041132B (en) 2025-03-25

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CN213142454U (en) * 2020-06-10 2021-05-07 苏州旭照纺织整理有限公司 Dyeing equipment for textile processing
CN215758004U (en) * 2021-09-16 2022-02-08 浙江绍肖印染有限公司 Pad dyeing machine
CN218969576U (en) * 2022-11-29 2023-05-05 绍兴圣苗针纺有限公司 Whitening bath dyeing equipment for polyester fabric
CN219450125U (en) * 2023-02-14 2023-08-01 青岛洁诺纺织有限公司 Polyester cotton cloth grading printing and dyeing device

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Publication number Priority date Publication date Assignee Title
CN212640893U (en) * 2020-06-24 2021-03-02 桐乡市桐鑫漂染股份有限公司 a fabric dryer
CN212834549U (en) * 2020-07-29 2021-03-30 王群 Dye cell for textile industry
CN213571091U (en) * 2020-10-14 2021-06-29 青岛三合鼎机械有限公司 Cloth dyeing and ironing equipment for clothes processing
CN221778157U (en) * 2023-12-28 2024-09-27 盛建坤 De-impurity device for removing impurities from fabrics of sizing machines

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN213142454U (en) * 2020-06-10 2021-05-07 苏州旭照纺织整理有限公司 Dyeing equipment for textile processing
CN215758004U (en) * 2021-09-16 2022-02-08 浙江绍肖印染有限公司 Pad dyeing machine
CN218969576U (en) * 2022-11-29 2023-05-05 绍兴圣苗针纺有限公司 Whitening bath dyeing equipment for polyester fabric
CN219450125U (en) * 2023-02-14 2023-08-01 青岛洁诺纺织有限公司 Polyester cotton cloth grading printing and dyeing device

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