A setting device integrating a cold water roller and a drop cloth device

Abstract

This invention discloses a setting device integrating a cold water roller and a fabric dropping device, relating to the technical field of setting machine equipment. It includes a main oven body with a circulating heating component inside. The circulating heating component includes a convection heat exchanger, which comprises a lower air duct and an upper air duct, arranged in a wedge shape in the same direction. The sides of the lower and upper air ducts that are far apart are sloped, resulting in an overall shape that is higher near the hot air input side and lower away from the hot air input side. The sides of the lower and upper air ducts that are close to each other are both flat horizontal planes, forming a flat, spaced conveyor channel. Relying on the gradually changing cavity cross-section structure of the air duct from the air inlet to the end, pressure balance is achieved throughout the air duct, allowing the internal air pressure to be evenly distributed along the length, completely solving the defects of uneven airflow and localized air pressure imbalance in traditional air ducts. Simultaneously, the flat inner horizontal plane ensures stable horizontal conveying of the fabric throughout the entire process.

Description

Technical Field

[0001] This invention relates to the field of setting machine equipment technology, specifically to a setting machine that integrates a cold water roller and a fabric dropping device. Background Technology

[0002] Fabric heat setting machines are core equipment in the textile dyeing and finishing process. They mainly rely on high-temperature heat treatment to process fabrics, thereby eliminating internal stress, stabilizing product dimensions, effectively reducing shrinkage during subsequent use and washing, smoothing wrinkles on the fabric surface, ensuring uniform width, and shaping different hand feel, luster and drape styles of fabrics. They can also improve the overall performance of fabrics, such as color fastness and resistance to pilling.

[0003] The setting machine is divided into three main parts: the front section, the middle section, and the rear section. The front section is mainly equipped with a fabric feeding frame, a padding machine, a weft straightener, and an overfeed device, which are used to apply auxiliaries, correct weft skew, and adjust the warp tension of the fabric. The middle section is the core working area, which is the drying oven. It consists of an insulated box, a heating system, a circulating fan, and air nozzles. It relies on hot air circulation to complete the high-temperature setting of the fabric. The rear section is equipped with a cooling device and a fabric unloading or winding device. After the fabric is loaded onto the machine, dipped in auxiliaries, and the weft straightener and tension adjusted, it is sent into the drying oven for hot air heating. After setting, it is cooled by cold water rollers and finally unloaded and collected.

[0004] In actual production, the temperature needs to be set according to the fiber material, the heating time needs to be controlled in combination with the length of the box and the speed of the machine, and the tension, air volume and air pressure need to be precisely adjusted to ensure that the shaping and processing effect is uniform and stable.

[0005] However, the existing traditional shaping and drying equipment has the following specific technical problems in long-term actual production applications:

[0006] 1. Most existing oven air ducts are vertical straight-blowing structures or horizontal equal-length straight air duct structures, without the design of wedge-shaped inclined air ducts in the same direction. Hot air blows vertically and at high speed on the fabric surface, which can easily cause thin and loose fabrics to vibrate and shift at high frequency under the action of air pressure. This not only fails to ensure that the fabric is transported and shaped horizontally, but also causes secondary wrinkles in the fabric, which seriously affects the flatness of the fabric and the quality of the finished product, resulting in poor adaptability.

[0007] 2. Traditional air ducts have short air outlet paths and fixed heat exchange strokes. Hot air is quickly dissipated and recirculated after being blown vertically onto the fabric, resulting in short heat exchange time and low hot air utilization. At the same time, the air duct lacks a wedge-shaped gradual air pressure structure, and the air pressure and air velocity at the beginning and end of the air duct are greatly different, which makes it impossible to achieve uniform air delivery. This leads to uneven drying of the upper and lower surfaces of the fabric, with some areas being over-dried and some areas not dried. The fabric has poor consistency in setting and greatly reduces the overall drying and setting efficiency.

[0008] 3. Traditional fabric feeding and conveying structures in setting equipment are simple, relying solely on a single guide roller to complete fabric conveying. They lack multi-roller triangular coordination, bidirectional expansion, and tension adjustment structures. During fabric conveying, they cannot effectively flatten and remove wrinkles or adjust conveying tension, leading to problems such as wrinkles, deviation, and uneven tension. Furthermore, the lack of a stable limiting conveying structure makes it impossible to accurately adapt to the straight conveying duct inside the drying oven, further reducing the accuracy of fabric setting and processing and the continuity of production.

[0009] Therefore, in view of this, the present invention proposes a shaping device that integrates a cold water roller and a fabric dropping device to make up for and improve the deficiencies of the prior art. Summary of the Invention

[0010] To address the aforementioned technical problems, this invention provides a shaping device that integrates a cold water roller and a fabric dropping device, thereby resolving the technical issues raised in the background section.

[0011] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a shaping device integrating a cold water roller and a fabric dropping device, used for conveying and drying fabric pieces, including an oven body, and a cold water roller cooling device and a fabric dropping device disposed at the output end of the oven body. The oven body is equipped with a circulating heating component; the circulating heating component includes a convection heat exchanger, which includes a lower air duct and an upper air duct. The lower air duct and the upper air duct are wedge-shaped structures arranged in the same direction. The side of the lower air duct and the upper air duct that is far from each other is an inclined plane, and the overall shape is high near the hot air input side and low away from the hot air input side. The side of the lower air duct and the upper air duct that are close to each other is a straight horizontal plane, forming a straight interval conveying channel between them for the fabric pieces to pass through horizontally. Hot air is blown obliquely towards the fabric pieces along the inclined direction of the lower air duct and the upper air duct, prolonging the heat exchange time and preventing the fabric from shaking and wrinkling.

[0012] Furthermore, a drive fan is fixedly mounted on the side wall of the oven body, and the drive fan is used to provide circulating power for the hot air flow inside the circulating heating component.

[0013] Furthermore, a flow guide cavity is fixedly installed at the output end of the drive fan, and a hot air cavity is fixedly installed on the side of the flow guide cavity away from the drive fan. The flow guide cavity is a horizontally arranged Y-shaped flow splitting structure. The bifurcated parts of the flow guide cavity are respectively connected to the drive fan, and the middle part is connected to the hot air cavity.

[0014] Furthermore, an air inlet is provided on the side wall of the oven body corresponding to the position of the hot air cavity, and a heating element is installed inside the hot air cavity. Several ventilation holes are evenly provided on the outer wall of the hot air cavity, and a horizontal frame that is closed vertically and open horizontally is fitted outside the hot air cavity.

[0015] Furthermore, a diversion cavity is fixedly installed above the guide cavity on the side near the drive fan. The diversion cavity includes an arc-shaped baffle, which is fixedly installed at the air inlet of the lower air duct. The arc-shaped baffle has an inwardly concave arc structure and is used to divert the hot air inside the diversion cavity into the lower air duct.

[0016] Furthermore, the diversion cavity includes a sloping baffle, which is fixedly installed at the air inlet of the upper air duct. The sloping baffle is a double-sided inclined plate structure used to divert the hot air inside the diversion cavity into the upper air duct.

[0017] Furthermore, both the lower and upper air ducts are composed of multiple equidistant independent cavities, and several hot air output holes are provided on the straight horizontal surfaces of the lower and upper air ducts on the side closest to each other.

[0018] Furthermore, a material conveying assembly is installed on the side of the oven body. The material conveying assembly includes a conveying bracket, and a closed cabinet is installed on the side wall of the conveying bracket. A driving component is installed inside the closed cabinet to provide rotational power to each roller inside the material conveying assembly.

[0019] Furthermore, the conveying bracket is equipped with an upper guide roller group and a lower guide roller group. Both the upper guide roller group and the lower guide roller group include two roller shafts, which are used to limit the input and output of the fabric piece, respectively.

[0020] Furthermore, a threaded expansion roller is rotatably mounted between the upper guide roller group and the lower guide roller group. The outer wall of the threaded expansion roller has bidirectional threads for bidirectional spreading and wrinkle removal of the fabric. A straight adjustment roller is rotatably mounted below the threaded expansion roller. The straight adjustment roller can slide and adjust along the guide rail groove opened on the side wall of the conveying bracket to adjust the conveying tension of the fabric. An auxiliary roller is rotatably mounted below the straight adjustment roller. The auxiliary roller is used to assist the smooth transition of the fabric during conveying. The threaded expansion roller, the straight adjustment roller and the auxiliary roller are triangularly distributed.

[0021] Compared with the prior art, the beneficial effects of the present invention are:

[0022] (1) This device uses a convection heat exchanger inside the oven body and two sets of wedge-shaped air ducts arranged in the same direction, one lower and one upper. The two sets of air ducts are inclined with the higher side closer to the hot air input and the lower side further away from the hot air input. The side of the air ducts that are far apart from each other is a sloping surface, and the side that is close to each other is a straight horizontal surface. This creates a straight interval conveyor channel between the two sets of air ducts for the fabric to pass through horizontally. This wedge-shaped air duct structure is different from the horizontal and straight air duct layout of traditional equipment. It relies on the air duct from the air inlet to the... The gradually tapering cavity cross-section structure at the end achieves pressure balance throughout the air duct, allowing the internal air pressure to be evenly distributed along the length of the duct, completely solving the defects of uneven air volume and local air pressure imbalance in traditional air ducts. At the same time, the straight inner horizontal surface ensures that the fabric is transported horizontally and smoothly throughout the process, eliminating problems such as fabric snagging, deviation, and conveying wrinkles. Combined with the inclined structure of the air duct, it guides the hot air to blow obliquely onto the fabric, effectively extending the heat exchange contact time between the hot air and the fabric, and greatly improving the heat energy utilization rate and the uniformity of fabric drying and shaping.

[0023] (2) This device, through the matching wedge-shaped air duct structure, sets up a dedicated same-direction oblique hot air closed-loop circulation path. Relying on the coordinated cooperation of the hot air cavity, guide cavity, diversion cavity and wedge-shaped air duct, a complete closed-loop circulation system is constructed from the hot air cavity to the guide cavity, diversion cavity, upper and lower air ducts and back to the hot air cavity. This circulation path is completely in line with the physical characteristics of hot air sinking, which is different from the airflow mode of the traditional stenter vertical blowing and independent circulation of upper and lower air ducts. After being heated and stabilized, the hot air is evenly divided by the diversion cavity and flows along the upper and lower wedges. The air duct flows diagonally from right to left, wrapping the fabric pieces passing through the interval conveyor in the same direction, achieving synchronous drying of the upper and lower surfaces of the fabric, effectively avoiding problems such as color difference and uneven drying in some areas. At the same time, the same-direction hot air flow greatly reduces the circulating load of the driving fan, reducing the energy consumption of the equipment. Moreover, the low-temperature airflow after heat exchange and cooling can naturally settle back into the hot air cavity for reheating and circulation. The airflow circulation is continuous and stable, without turbulence or heat waste, further improving the operational stability and energy efficiency of the entire hot air circulation system.

[0024] (3) This device uses an integrated material conveying assembly installed on the side of the main body of the oven. It utilizes the cooperative structure of the conveying bracket, the enclosed cabinet and multiple sets of internal rollers. In particular, the threaded expansion roller, the straight adjustment roller and the auxiliary roller are arranged in a triangular layout. It is also equipped with two sets of guide rollers with double roller pressure shafts at the top and bottom to form a stable pre-fabric spreading and conveying structure, which is different from the simple fabric feeding structure of the single expansion roller in traditional equipment. The device drives each roller to operate synchronously through the internal drive component of the enclosed cabinet. The threaded expansion roller with a double-sided thread structure spreads and removes wrinkles in both directions on the fabric, which can effectively eliminate weft wrinkles and edge problems. The straight adjustment roller with sliding adjustment can accurately control the fabric conveying tension. The auxiliary roller smoothly transitions the conveying, and the upper and lower guide roller sets limit and correct the deviation in both directions, so that the fabric is kept flat, with uniform tension and accurate position throughout the conveying process. This pre-treatment structure can eliminate the problems of fabric wrinkles, deviation and uneven tension from the source, and ensure that the fabric enters the oven in the best state to complete the shaping and drying, which significantly improves the flatness and shaping quality of the finished fabric. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the axial view of the three-dimensional structure of the present invention;

[0026] Figure 2 This is a schematic diagram of the axial view of the output end of the oven body of the present invention.

[0027] Figure 3 This is a schematic diagram of the axial perspective of the input end of the oven body of the present invention.

[0028] Figure 4 This is a three-dimensional schematic diagram of the relevant structure of the circulating heating component of the present invention;

[0029] Figure 5 This is a schematic diagram of the internal three-dimensional structure of the diversion cavity of the present invention;

[0030] Figure 6 This is a top view schematic diagram of the flow guiding cavity structure of the present invention;

[0031] Figure 7 This is a schematic diagram of the hot air flow path in the circulating heating assembly of the present invention.

[0032] Figure 8 This is a schematic diagram of the axial perspective of the material conveying assembly of the present invention.

[0033] Figure 9 This is a three-dimensional schematic diagram of the relevant structure of the material conveying component of the present invention;

[0034] Figure 10 This is a schematic diagram of the fabric conveying path in the material conveying assembly of the present invention.

[0035] The numbers on the map are:

[0036] 1. Oven body; 11. Fabric parts;

[0037] 2. Circulating heating assembly; 21. Drive fan; 22. Guide cavity; 23. Hot air cavity; 231. Air inlet; 24. Horizontal frame; 25. Diversion cavity; 251. Arc-shaped baffle; 252. Sloping baffle; 26. Convection heat exchanger; 261. Lower air duct; 262. Upper air duct; 263. Interval conveyor channel;

[0038] 3. Material conveying assembly; 31. Conveying support frame; 32. Enclosed cabinet; 33. Upper guide roller assembly; 34. Threaded expansion roller; 35. Straight adjustment roller; 36. Auxiliary roller; 37. Lower guide roller assembly. Detailed Implementation

[0039] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0040] It should be added that the output end of the oven body 1 is equipped with a cold water roller cooling device and a fabric dropping device that are commonly used in setting machines. The cold water roller is a hollow metal roller with cooling water flowing inside, which can perform contact cooling and temperature reduction on the fabric 11 exiting the oven. The fabric dropping device is a swing fabric dropping frame or a rolling machine commonly used in the prior art, which is used to neatly drop the cooled fabric 11 or roll it up and collect it. The above-mentioned cold water roller cooling device and fabric dropping device are conventional configurations of setting machines in the field. Their specific structure, installation method and working principle are all existing mature technologies. This invention has not improved them, so they will not be described in detail.

[0041] Example 1

[0042] Please refer to Figure 1 , Figure 4 as well as Figure 5As shown, a shaping device integrating a cold water roller and a fabric dropping device is used to convey and dry the fabric 11. It includes an oven body 1, and a cold water roller cooling device and a fabric dropping device disposed at the output end of the oven body 1. A circulating heating component 2 is disposed inside the oven body 1. The circulating heating component 2 includes a convection heat exchanger 26, which includes a lower air duct 261 and an upper air duct 262. The lower air duct 261 and the upper air duct 262 are wedge-shaped structures arranged in the same direction. The sides of the lower air duct 261 and the upper air duct 262 that are far apart from each other are sloping, and the overall shape is high near the hot air input side and low away from the hot air input side. The sides of the lower air duct 261 and the upper air duct 262 that are close to each other are both flat horizontal planes, forming a flat interval conveyor channel 263 between them, allowing the fabric 11 to pass horizontally. Hot air is blown obliquely towards the fabric 11 along the sloping direction of the lower air duct 261 and the upper air duct 262, prolonging the heat exchange time and preventing the fabric from shaking and wrinkling.

[0043] Please refer to Figure 1 - Figure 7 As shown, a drive fan 21 is fixedly mounted on the side wall of the oven body 1. The drive fan 21 is used to provide circulating power for the hot air flow inside the circulating heating component 2. A guide cavity 22 is fixedly mounted on the output end of the drive fan 21. A hot air cavity 23 is fixedly mounted on the side of the guide cavity 22 away from the drive fan 21. The guide cavity 22 is a horizontally arranged Y-shaped diversion structure. The bifurcated parts of the guide cavity 22 are respectively connected to the drive fan 21, and the middle part is connected to the hot air cavity 23. An air inlet 231 is opened on the side wall of the oven body 1 corresponding to the position of the hot air cavity 23. A heating element is installed inside the hot air cavity 23. Several ventilation holes are evenly opened on the outer wall of the hot air cavity 23. A horizontal frame 24 that is closed at the top and bottom and open to the left and right is fitted on the outside of the hot air cavity 23.

[0044] It should be noted that a diversion cavity 25 is fixedly installed above the side of the flow guide cavity 22 near the drive fan 21. The diversion cavity 25 includes an arc-shaped baffle 251, which is fixedly installed at the air inlet of the lower air duct 261. The arc-shaped baffle 251 has an inwardly concave arc structure and is used to divert the hot air inside the diversion cavity 25 into the lower air duct 261. The diversion cavity 25 also includes a sloping baffle 252, which is fixedly installed at the air inlet of the upper air duct 262. The sloping baffle 252 has a double-sided inclined plate structure and is used to divert the hot air inside the diversion cavity 25 into the upper air duct 262. The interiors of both the lower air duct 261 and the upper air duct 262 are multiple independent cavities arranged at equal intervals. Several hot air output holes are opened on the straight horizontal surfaces of the lower air duct 261 and the upper air duct 262 on the side closest to each other.

[0045] Please refer to Figure 1 as well as Figure 8- Figure 10 As shown, a material conveying assembly 3 is mounted on the side of the oven body 1. The material conveying assembly 3 includes a conveying bracket 31. A closed cabinet 32 ​​is mounted on the side wall of the conveying bracket 31. A driving component is mounted inside the closed cabinet 32 ​​to provide rotational power to each roller inside the material conveying assembly 3. An upper guide roller group 33 and a lower guide roller group 37 are mounted inside the conveying bracket 31. Both the upper guide roller group 33 and the lower guide roller group 37 include two roller shafts, which are used to limit the input and output of the fabric piece 11, respectively.

[0046] It should be noted that a threaded expansion roller 34 is rotatably mounted between the upper guide roller group 33 and the lower guide roller group 37. The outer wall of the threaded expansion roller 34 has bidirectional threads for bidirectional spreading and wrinkle removal of the fabric 11. A straight adjustment roller 35 is rotatably mounted below the threaded expansion roller 34. The straight adjustment roller 35 can slide and adjust along the guide rail groove opened on the side wall of the conveying bracket 31 to adjust the conveying tension of the fabric 11. An auxiliary roller 36 is rotatably mounted below the straight adjustment roller 35. The auxiliary roller 36 is used to assist the smooth transition of the fabric 11 during conveying. The threaded expansion roller 34, the straight adjustment roller 35 and the auxiliary roller 36 are triangularly distributed.

[0047] It should be added that the direction indicated by arrow a in the figure is the conveying direction of the fabric piece 11 in the equipment.

[0048] Specifically, the fabric part 11 is first conveyed, limited, spread and tension adjusted by the material conveying component 3, and then fed into the oven body 1 in a flat and uniform tension state. Under the action of the circulating heating component 2, it is dried and shaped by the oblique hot air circulation, and finally sent out from the rear end of the oven body 1. It is then cooled and collected by the subsequent cold water roller and the fabric dropping device, realizing the automated shaping process of the fabric part 11.

[0049] During the transport phase: such as Figure 10 As shown, the conveying path of the fabric piece 11 inside the conveying bracket 31 is as follows: it passes through each roller in sequence along the path of "upper guide roller group 33 → threaded expansion roller 34 → straight adjustment roller 35 → auxiliary roller 36 → lower guide roller group 37", and finally is straightly fed into the interval conveying channel 263 of the oven body 1 and travels horizontally.

[0050] Specifically, the upper guide roller group 33 includes two sets of roller shafts that limit the input position of the fabric piece 11. By constraining both sides of the fabric piece 11 with the rollers, it prevents it from deviating or shifting when entering the equipment, ensuring the initial position stability of the fabric piece 11 during transport. When the fabric piece 11 passes the position of the threaded expansion roller 34, the outer wall of the threaded expansion roller 34 has bidirectional threads. When the threaded expansion roller 34 rotates, the bidirectional threads will generate lateral forces on the fabric piece 11. These forces diffuse to both sides of the fabric surface depending on the direction of the thread rotation, thereby performing bidirectional spreading and wrinkle removal on the fabric piece 11, eliminating weft wrinkles, making the fabric surface flat and the width uniform, and avoiding uneven drying problems caused by wrinkles. When the fabric piece 11 passes the straight adjustment roller 35, the straight adjustment roller 35 can slide and adjust along the guide groove opened on the side wall of the conveying bracket 31 before the conveying stage. By changing the contact position between the straight adjustment roller 35 and the fabric piece 11, the wrap angle and tension of the conveying path of the fabric piece 11 can be adjusted. When the tension of the fabric piece 11 is too high, the straight adjusting roller 35 can be slid away from the threaded expansion roller 34 to increase the fabric wrap angle and relieve the tension. When the tension of the fabric piece 11 is too low, the straight adjusting roller 35 can be slid closer to the threaded expansion roller 34 to decrease the fabric wrap angle and increase the tension, thereby ensuring uniform fabric tension and laying the foundation for subsequent conveying processes. When the fabric piece 11 passes around the auxiliary roller 36, the auxiliary roller 36 acts as a transition support roller. Its surface is smooth and there is no relative sliding with the fabric piece 11, guiding the fabric piece 11 to complete the turning transition and avoiding sudden tension changes that cause wrinkles or stretching deformation of the fabric surface. Finally, the fabric piece 11 passes downward around the lower guide roller group 37. The two sets of roller pressure shafts included in the lower guide roller group 37 limit the output position of the fabric piece 11, further constraining the conveying path of the fabric piece 11, and ensuring that it is fed into the spaced conveying channel 263 inside the oven body 1 in a straight, non-offset, and wrinkle-free state to complete the fabric feeding process.

[0051] During the drying stage: such as Figure 7 As shown, after the fabric piece 11 enters the spaced conveyor channel 263 inside the oven body 1, the drive fan 21 on the side wall of the oven body 1 starts to operate, providing circulating power for the hot air flow inside the circulating heating component 2. The hot air flow path is a closed loop of "hot air cavity 23 → guide cavity 22 → diversion cavity 25 → lower air duct 261 and upper air duct 262 → fabric piece 11 → guide cavity 22".

[0052] The specific operation process is as follows: When the drive fan 21 is running, the impeller rotation creates a circulating negative pressure inside the guide cavity 22, and the air from the external area is drawn into the hot air cavity 23 through the air inlet 231. The heating element (such as an electric heating tube or a steam heat exchange tube) installed inside the hot air cavity 23 heats the airflow, so that the hot air temperature reaches the process temperature required for the shaping of the fabric 11 (such as about 190-220℃ for polyester fabric).

[0053] After heating and stabilizing, the hot air flows from the hot air cavity 23 and enters the horizontally arranged Y-shaped guide cavity 22. Simultaneously, the hot air is directed into the branch cavity 25 corresponding to the position of the drive fan 21. Figure 5 as well as Figure 7 As shown, the upper part of the diversion cavity 25 near the drive fan 21 has an arc-shaped baffle 251 and an inclined baffle 252 inside, which guide and divert the airflow to achieve uniform air delivery in two paths. The arc-shaped baffle 251 is fixedly installed at the air inlet of the lower air duct 261 and has a concave arc structure, which can smoothly guide the hot air into the lower air duct 261 and avoid turbulence and pressure loss caused by the airflow directly impacting the air duct port. The inclined baffle 252 is fixedly installed at the air inlet of the upper air duct 262 and has a double-sided inclined plate structure. Its inclined surface is located at the port of the upper air duct 262, which can smoothly guide the hot air into the upper air duct 262 and achieve relatively uniform diversion of the upper and lower air ducts, avoiding the drying difference between the upper and lower surfaces of the fabric 11 due to excessive airflow distribution differences.

[0054] After being diverted by the arc-shaped baffle 251 and the inclined baffle 252, the hot air enters the lower air duct 261 and the upper air duct 262 in sequence. The lower air duct 261 and the upper air duct 262 adopt a wedge-shaped layout in the same direction. The position closer to the hot air input side is higher and the position further away from the hot air input side is lower. The opposite sides of the two air ducts are inclined surfaces, and the facing sides are straight horizontal surfaces. An interval conveyor channel 263 is formed between them for the fabric component 11 to pass through. Since the lower air duct 261 and the upper air duct 262 present a gradually changing cavity space from the air inlet end to the end, the cross-section gradually changes along the airflow direction, thus allowing the airflow in the air duct to be... The pressure decreases gradually along the flow direction, preventing local high pressure accumulation or sudden pressure drops, thus achieving pressure balance throughout the entire air duct. Simultaneously, due to the combined effects of the overall height difference of the air duct, the inclined guide, and the pressure balance, the airflow in the air duct naturally forms an oblique flow direction. Finally, the hot air is blown obliquely from the hot air outlet holes on both sides of the flat horizontal surface towards the fabric piece 11 in the interval conveyor 263. This oblique air outlet mode greatly reduces the impact force brought by the direct airflow, effectively preventing the fabric piece 11 from shaking or deviating under the action of wind pressure. At the same time, it prolongs the contact time between the hot air and the fabric piece 11, improving the heat exchange efficiency.

[0055] Furthermore, both the lower air duct 261 and the upper air duct 262 are composed of multiple equidistant independent cavities, which can further stabilize and even out the airflow, ensuring that the air velocity and pressure at each location remain relatively uniform. This ensures that the upper and lower surfaces of the fabric 11 are heated evenly, avoiding problems of over-drying or under-drying in certain areas, and guaranteeing the overall shaping quality. After the hot air completes the heat exchange on the upper and lower surfaces of the fabric 11, the airflow temperature drops accordingly. The low-temperature airflow naturally converges along the left side of the oven body 1, specifically above the hot air cavity 23 and in the area of ​​the convection heat exchanger 26 away from the diversion cavity 25. Relying on the internal air pressure difference of the equipment, it gradually flows back and finally returns through the hot air. The ventilation holes evenly distributed on the outer wall of the cavity 23 converge into the hot air cavity 23 and re-enter the circulation process. Since the hot air cavity 23 is fitted with a horizontal frame 24 that is closed vertically and open horizontally, it can prevent hot air from leaking out of the hot air cavity 23 vertically. It also restricts the airflow after drying to flow into the hot air cavity 23 only in a directional manner in the left and right direction. On the one hand, it reduces heat loss and improves heat energy utilization. On the other hand, it stabilizes the air pressure environment of the overall circulation duct, making the entire hot air circulation system run more smoothly and continuously. The entire structure works together to form a complete closed loop circulation, continuously and stably completing the drying and shaping operation of the fabric 11.

[0056] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A shaping device integrating a cold water roller and a fabric dropping device, used for conveying and drying a fabric piece (11), comprising an oven body (1), and a cold water roller cooling device and a fabric dropping device disposed at the output end of the oven body (1), characterized in that: The oven body (1) is equipped with a circulating heating component (2); The circulating heating component (2) includes a convection heat exchanger (26), which includes a lower air duct (261) and an upper air duct (262). The lower air duct (261) and the upper air duct (262) are wedge-shaped structures arranged in the same direction. The lower air duct (261) and the upper air duct (262) are inclined on the side away from each other, and the whole is in the shape of being high near the hot air input side and low away from the hot air input side. The lower air duct (261) and the upper air duct (262) are both flat horizontal planes on the side close to each other, and a flat interval conveyor channel (263) is formed between them for the fabric (11) to pass through horizontally. The hot air blows obliquely to the fabric (11) along the inclined direction of the lower air duct (261) and the upper air duct (262), prolonging the heat exchange time and avoiding the fabric from shaking and wrinkling.

2. The shaping equipment integrating a cold water roller and a fabric dropping device according to claim 1, characterized in that: A drive fan (21) is fixedly mounted on the side wall of the oven body (1), and the drive fan (21) is used to provide circulating power for the hot air flow inside the circulating heating component (2).

3. The shaping equipment integrating a cold water roller and a fabric dropping device according to claim 2, characterized in that: The output end of the drive fan (21) is fixedly equipped with a flow guide cavity (22), and a hot air cavity (23) is fixedly equipped on the side of the flow guide cavity (22) away from the drive fan (21). The flow guide cavity (22) is a horizontally arranged Y-shaped flow splitting structure. The bifurcation part of the flow guide cavity (22) is connected to the drive fan (21) respectively, and the middle part is connected to the hot air cavity (23).

4. The shaping equipment integrating a cold water roller and a fabric dropping device according to claim 1, characterized in that: An air inlet (231) is provided on the side wall of the oven body (1) at the position corresponding to the hot air cavity (23), and a heating element is installed inside the hot air cavity (23). Several ventilation holes are evenly provided on the outer wall of the hot air cavity (23), and a horizontal frame (24) that is closed at the top and bottom and open to the left and right is fitted on the outside of the hot air cavity (23).

5. A shaping device integrating a cold water roller and a fabric dropping device according to claim 3, characterized in that: The flow guide cavity (22) is fixedly equipped with a flow divider cavity (25) on the side near the drive fan (21). The flow divider cavity (25) includes an arc-shaped baffle (251). The arc-shaped baffle (251) is fixedly installed at the air inlet of the lower air duct (261). The arc-shaped baffle (251) has an inwardly concave arc structure and is used to divert the hot air inside the flow divider cavity (25) into the lower air duct (261).

6. A shaping device integrating a cold water roller and a fabric dropping device according to claim 5, characterized in that: The diversion cavity (25) includes a sloping baffle (252), which is fixedly installed at the air inlet of the upper air duct (262). The sloping baffle (252) is a double-sided inclined plate structure used to divert the hot air inside the diversion cavity (25) into the upper air duct (262).

7. A shaping device integrating a cold water roller and a fabric doffing device according to claim 1, characterized in that: The interior of both the lower air duct (261) and the upper air duct (262) is in the form of multiple independent cavities arranged at equal intervals. Several hot air output holes are opened on the straight horizontal surface of the lower air duct (261) and the upper air duct (262) on the side close to each other.

8. A shaping device integrating a cold water roller and a fabric dropping device according to claim 1, characterized in that: The side of the oven body (1) is equipped with a material conveying assembly (3), which includes a conveying bracket (31). The side wall of the conveying bracket (31) is equipped with a closed cabinet (32), and the closed cabinet (32) is equipped with a driving component to provide rotational power to each roller inside the material conveying assembly (3).

9. A shaping device integrating a cold water roller and a fabric dropping device according to claim 8, characterized in that: The conveying bracket (31) is equipped with an upper guide roller group (33) and a lower guide roller group (37). Both the upper guide roller group (33) and the lower guide roller group (37) include two roller shafts, which are used to limit the input and output of the fabric piece (11), respectively.

10. A shaping device integrating a cold water roller and a fabric dropping device according to claim 9, characterized in that: A threaded expansion roller (34) is rotatably mounted between the upper guide roller group (33) and the lower guide roller group (37). The outer wall of the threaded expansion roller (34) is provided with positive and negative bidirectional threads for bidirectional spreading and wrinkle removal of the fabric (11). A straight adjustment roller (35) is rotatably mounted below the threaded expansion roller (34). The straight adjustment roller (35) can slide and adjust along the guide rail groove opened on the side wall of the conveying bracket (31) to adjust the conveying tension of the fabric piece (11). An auxiliary roller (36) is rotatably mounted below the straight adjusting roller (35). The auxiliary roller (36) is used to assist the smooth transition of the fabric piece (11) during transport. The threaded expansion roller (34), the straight adjusting roller (35) and the auxiliary roller (36) are arranged in a triangular pattern.

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