Cloth drying device

Abstract

The utility model discloses a cloth drying device, which belongs to the technical field of cloth production and processing and comprises a supporting device, a drying and dehumidifying device and an adjusting and flattening device, and the drying and dehumidifying device used for drying and dehumidifying cloth and the adjusting and flattening device used for guaranteeing flattening output of the cloth are mounted on the supporting device. The drying and dehumidifying device comprises a drying assembly used for drying and an air return assembly used for forming a circulating air channel to bring out moisture. The drying assembly is installed on the inner side of the supporting device and connected with the adjusting and flattening device. The air return assembly comprises a mounting frame, an air blowing component, an air blocking frame and a hot air dehumidifier. By means of the mode, the air blowing component and the hot air dehumidifier are matched with the drying assembly to form a hot air loop for circulating dehumidification, cloth can be evenly and rapidly dried, meanwhile, moisture is discharged, the cloth drying effect is good, resources are saved through synchronous recovery of hot air, and resource waste is avoided.

Description

Technical Field

[0001] This utility model relates to the field of fabric production and processing technology, specifically to a fabric drying device. Background Technology

[0002] In the production of fabrics such as water-soluble fabrics, linoleum paper, polyester fabrics, and flocked fabrics, to improve the fabric's waterproof and flame-retardant properties, the fabric is typically impregnated in its fiber web state. After impregnation, the fiber web needs to undergo a drying process to remove excess liquid and cure the adhesive, ultimately forming the fabric with the desired properties. To accelerate the drying of the adhesive, a dryer is generally used to dry the fabric.

[0003] For example, Chinese patent application CN118189580A discloses a fabric drying device, including a housing, a drying mechanism, and a dehumidification mechanism. The housing has an inlet on one side and an outlet on the other side, with the outlet located near the bottom of the housing. The height of the inlet is greater than that of the outlet. The drying mechanism includes a tensioning component, two first reversing rollers, and a drying component. The two ends of the tensioning component are connected to the inner wall of the housing. The two first reversing rollers are symmetrically and rotatably arranged inside the housing, with the first reversing rollers located above the tensioning component. The drying component includes a drying device and a multi-functional component.

[0004] However, when this fabric drying equipment is in use, one side of the fabric is always outside the hot zone and the other side is always inside the hot zone, making it difficult to ensure that the fabric is heated evenly, and the generated hot air is continuously discharged, resulting in a waste of resources.

[0005] Based on this, the present invention designs a fabric drying device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a fabric drying device.

[0007] To achieve the above objectives, this utility model provides the following technical solution:

[0008] The fabric drying device includes a support device, a drying and dehumidifying device, and an adjusting and flattening device;

[0009] The support device is equipped with a drying and dehumidifying device for drying and dehumidifying the fabric and an adjusting and flattening device for ensuring the fabric is flattened and output.

[0010] The drying and dehumidifying device includes a drying component for drying and a return air component for forming a circulating air duct to carry away moisture. The drying component is installed inside the support device and connected to the regulating and flattening device.

[0011] The return air assembly includes a mounting frame, a blower component, a baffle frame, and a hot air dehumidifier. The mounting frame is installed inside the support device and connected to the adjusting and flattening device. The blower component consists of multiple fans arranged in a front-to-back pattern, with the airflow direction of the blower component from left to right. The frames of the multiple fans of the blower component are fixedly installed on the right end of the mounting frame. The baffle frame is installed inside the support device and connected to the drying assembly. The hot air dehumidifier is installed on the upper outer side of the support device. The mounting frame is an L-shaped frame, and the upper end of the baffle frame gradually slopes upward from left to right in an arc shape. The hot air dehumidifier is existing technology.

[0012] Furthermore, the support device includes a housing, two feed rollers, and two discharge rollers. The left and right ends of the housing are respectively provided with strip-shaped through holes for the fabric to pass through. The two feed rollers are located at the upper and lower ends of the outer side of the strip-shaped through hole on the right side of the housing, forming a gap between the two feed rollers to facilitate the passage of the fabric. The two discharge rollers are located at the upper and lower ends of the outer side of the strip-shaped through hole on the left side of the housing, forming a gap between the two discharge rollers to facilitate the passage of the fabric. The feed rollers and discharge rollers are rotatably mounted on the housing through a fixing plate. The inner side of the housing is connected to the drying assembly. The mounting bracket and the wind baffle are fixedly mounted on the inner side of the housing. The hot air dehumidifier is fixedly mounted on the upper outer side of the housing.

[0013] Furthermore, the moisture inlet of the hot air dehumidifier is connected to the right end of the mounting bracket, the hot air outlet of the hot air dehumidifier is connected to the left end of the mounting bracket, and an opening is provided on the outer casing for use with the hot air dehumidifier.

[0014] Furthermore, the drying assembly includes a drying bracket and multiple drying lamps. The drying bracket is a U-shaped frame, and the multiple drying lamps are evenly and fixedly installed on the upper and lower inner sides of the drying bracket. The drying bracket is fixedly installed on the inner side of the outer shell, and the right end of the drying bracket is fixedly connected to the wind baffle.

[0015] Furthermore, the adjusting and flattening device includes a conveying component and an adjusting component. The conveying component is installed inside the housing and is located between the mounting frame and the drying bracket, and is connected to the mounting frame and the drying bracket. The adjusting component is installed inside the conveying component.

[0016] Furthermore, the conveying assembly includes a flattening bracket, a steering roller, and a flattening roller. The flattening bracket is fixedly installed inside the housing, and its left and right ends are fixedly connected to the mounting frame and the drying bracket, respectively. The steering roller and the flattening roller are rotatably installed inside the flattening bracket. The steering roller is located to the right of the blowing component, and the flattening roller is located below the steering roller. The flattening bracket is connected to the adjustment assembly.

[0017] Furthermore, the adjustment assembly includes a motor, a connecting rod, an upper pressure roller, and two adjustment components. The two adjustment components are symmetrically arranged front and rear and connected to the conveying assembly. The motor is installed at the rear end of the rear adjustment component, and the output end of the motor is fixedly connected to the connecting rod. The connecting rod and the upper pressure roller are installed between the two adjustment components. The upper pressure roller is located below the flattening roller. The upper pressure roller has a groove to facilitate the unfolding of the fabric. The groove of the upper pressure roller is spirally arranged from the middle to both sides along the rotation direction.

[0018] Furthermore, the adjusting components include a sliding plate, a threaded rod, a sliding rod, a support frame, a first bevel gear, and a second bevel gear. The sliding plate is slidably mounted inside the flattening bracket. The lower end of the flattening bracket has a slot for sliding with the sliding plate. The threaded rod and the sliding rod pass through the sliding plate, with the threaded rod threadedly connected to the sliding plate and the sliding rod slidably connected to the sliding plate. The support frame is an L-shaped frame, fixedly mounted inside the slot at the lower end of the flattening bracket. Both ends of the threaded rod are rotatably connected to the flattening bracket and the support frame, respectively. The lower end of the threaded rod passes through the support frame and is fixedly connected to the first bevel gear. The first bevel gear meshes with the second bevel gear, which is fixedly mounted on the outside of the connecting rod. The motor is fixedly mounted at the rear end of the rear support frame. The connecting rod is rotatably mounted between the two support frames, and the upper pressure roller is rotatably mounted between the two sliding plates.

[0019] Compared with the prior art, the advantages of this utility model are as follows: 1. By combining the blower and the hot air dehumidifier with the drying components to form a circulating dehumidification hot air circuit, the fabric can be dried evenly and quickly while the moisture is discharged. The fabric drying effect is good, and the synchronous recovery of heat also saves resources and avoids resource waste.

[0020] 2. The symmetrical arrangement of the drying lamps ensures uniform heating during the fabric drying process, improving the drying quality. The connecting rod, along with two first bevel gears and two second bevel gears, allows for synchronous adjustment of the upper pressure roller's up-and-down movement, ensuring uniform force and even contact between the upper pressure roller and the fabric. Simultaneously, the threaded grooves on the upper pressure roller cause the fabric to unfold to both sides during transport, ensuring a flattened effect and improving the quality of fabric production. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a perspective view of the fabric drying device of this utility model;

[0023] Figure 2 This is a front view of the fabric drying device of this utility model;

[0024] Figure 3 This is a top view of the fabric drying device of this utility model;

[0025] Figure 4 For along Figure 3 A three-dimensional diagram of AA with a portion removed;

[0026] Figure 5 This is a perspective view of the drying component of this utility model;

[0027] Figure 6 For along Figure 3 A 3D image of a BB with a portion cut off;

[0028] Figure 7 This is a perspective view of the adjusting and flattening device of this utility model;

[0029] Figure 8 for Figure 7 Enlarged view of point C in the middle.

[0030] The labels in the diagram represent:

[0031] 1. Support device; 11. Outer shell; 12. Feed roller; 13. Discharge roller; 2. Drying and dehumidifying device; 21. Drying assembly; 211. Drying bracket; 212. Drying lamp; 22. Return air assembly; 221. Mounting bracket; 222. Blowing component; 223. Baffle frame; 224. Hot air dehumidifier; 3. Adjusting and flattening device; 31. Conveying assembly; 311. Flattening bracket; 312. Directional roller; 313. Flattening roller; 32. Adjusting assembly; 321. Motor; 322. Connecting rod; 323. Upper pressure roller; 324. Slide plate; 325. Threaded rod; 326. Slide bar; 327. Support frame; 328. First bevel gear; 329. Second bevel gear. Detailed Implementation

[0032] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0033] The terms "left," "right," "front," "back," "up," and "down" used in the following description refer to the orientation from the perspective of the front view.

[0034] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-8 The fabric drying device includes a support device 1, a drying and dehumidifying device 2, and an adjusting and flattening device 3.

[0035] The support device 1 is equipped with a drying and dehumidifying device 2 for drying and dehumidifying the fabric and an adjusting and flattening device 3 for ensuring the fabric is flattened and output.

[0036] The drying and dehumidifying device 2 includes a drying component 21 for drying and a return air component 22 for forming a circulating air duct to carry out moisture. The drying component 21 is installed inside the support device 1 and connected to the adjusting and flattening device 3.

[0037] The return air assembly 22 includes a mounting frame 221, a blowing component 222, a baffle frame 223, and a hot air dehumidifier 224. The mounting frame 221 is installed inside the support device 1 and connected to the adjusting and flattening device 3. The blowing component 222 consists of multiple fans arranged in a front-to-back pattern. The blowing direction of the blowing component 222 is set from left to right. The frame of the multiple fans of the blowing component 222 is fixedly installed on the right end of the mounting frame 221. The baffle frame 223 is installed inside the support device 1 and connected to the drying assembly 21. The hot air dehumidifier 224 is installed on the outer side of the upper end of the support device 1. The mounting frame 221 is an L-shaped frame. The upper end of the baffle frame 223 is gradually inclined upward from left to right in an arc shape. The hot air dehumidifier 224 is existing technology.

[0038] When the fabric drying device is in normal use, the fabric is transported from the inside of the support device 1. The drying component 21, the blowing component 222, and the hot air dehumidifier 224 are started. The drying component 21 dries the fabric, and the blowing component 222 blows the hot air delivered by the hot air dehumidifier 224 from left to right against the direction of fabric transport. The hot air carries the moisture generated during drying along the baffle frame 223 and is sucked into the hot air dehumidifier 224 for dehumidification in conjunction with the drying component 21. The flattening device 3 is adjusted according to different fabric unfolding requirements to flatten the output fabric. The blowing component 222, the hot air dehumidifier 224, and the drying component 21 form a circulating dehumidification hot air loop, which can dry the fabric evenly and quickly while expelling the moisture. The fabric drying effect is good, and the synchronous recovery of hot air also saves resources and avoids resource waste.

[0039] The support device 1 includes a housing 11, two feed rollers 12 and two discharge rollers 13. The left and right ends of the housing 11 are respectively provided with strip-shaped through holes for the fabric to pass through. The two feed rollers 12 are respectively located at the upper and lower ends of the outer side of the strip-shaped through hole on the right side of the housing 11, forming a gap between the two feed rollers 12 to facilitate the passage of the fabric. The two discharge rollers 13 are respectively located at the upper and lower ends of the outer side of the strip-shaped through hole on the left side of the housing 11, forming a gap between the two discharge rollers 13 to facilitate the passage of the fabric. The feed rollers 12 and discharge rollers 13 are rotatably mounted on the housing 11 through a fixing plate. The inner side of the housing 11 is connected to the drying assembly 21. The mounting bracket 221 and the wind baffle 223 are fixedly mounted on the inner side of the housing 11. The hot air dehumidifier 224 is fixedly mounted on the outer side of the upper end of the housing 11.

[0040] The moisture inlet of the hot air dehumidifier 224 is connected to the right end of the mounting bracket 221, and the hot air outlet of the hot air dehumidifier 224 is connected to the left end of the mounting bracket 221. The outer casing 11 is provided with a port for use with the hot air dehumidifier 224.

[0041] The drying assembly 21 includes a drying bracket 211 and multiple drying lamps 212. The drying bracket 211 is a U-shaped frame. The multiple drying lamps 212 are evenly and fixedly installed on the upper and lower inner sides of the drying bracket 211. The drying bracket 211 is fixedly installed on the inner side of the outer shell 11. The right end of the drying bracket 211 is fixedly connected to the wind baffle 223.

[0042] When the fabric drying device is in normal use, the feed roller 12 and the discharge roller 13 assist in conveying the fabric inside the outer shell 11. When the fabric passes between the drying brackets 211, the drying lamps 212 are activated to dry the fabric. The drying lamps 212 simultaneously dry the fabric from the top and bottom. The symmetrical arrangement of the drying lamps 212 ensures uniform heating during the fabric drying process and improves the drying quality of the fabric.

[0043] The adjusting and flattening device 3 includes a conveying component 31 and an adjusting component 32. The conveying component 31 is installed inside the housing 11 and is located between the mounting frame 221 and the drying bracket 211 and connected to the mounting frame 221 and the drying bracket 211. The adjusting component 32 is installed inside the conveying component 31.

[0044] The conveying assembly 31 includes a flattening bracket 311, a steering roller 312, and a flattening roller 313. The flattening bracket 311 is fixedly installed inside the housing 11. The left and right ends of the flattening bracket 311 are fixedly connected to the mounting frame 221 and the drying bracket 211, respectively. The steering roller 312 and the flattening roller 313 are rotatably installed inside the flattening bracket 311. The steering roller 312 is located to the right of the blowing component 222, and the flattening roller 313 is located below the steering roller 312. The flattening bracket 311 is connected to the adjusting assembly 32.

[0045] The adjustment assembly 32 includes a motor 321, a connecting rod 322, an upper pressure roller 323, and two adjustment components. The two adjustment components are symmetrically arranged front and rear and connected to the conveying assembly 31. The motor 321 is installed at the rear end of the rear adjustment component. The output end of the motor 321 is fixedly connected to the connecting rod 322. The connecting rod 322 and the upper pressure roller 323 are installed between the two adjustment components. The upper pressure roller 323 is located below the flattening roller 313. The upper pressure roller 323 has a groove to facilitate the unfolding of the fabric. The groove of the upper pressure roller 323 is spirally arranged from the middle to both sides along the rotation direction.

[0046] The adjusting components include a sliding plate 324, a threaded rod 325, a sliding rod 326, a support frame 327, a first bevel gear 328, and a second bevel gear 329. The sliding plate 324 is slidably mounted inside the flattening bracket 311. The lower end of the flattening bracket 311 has a slot for sliding with the sliding plate 324. The threaded rod 325 and the sliding rod 326 pass through the sliding plate 324. The threaded rod 325 is threadedly connected to the sliding plate 324, and the sliding rod 326 is slidably connected to the sliding plate 324. The support frame 327 is an L-shaped frame and is fixedly mounted inside the slot at the lower end of the flattening bracket 311. The threaded rod 325... 5. Both ends are rotatably connected to the flattening bracket 311 and the support frame 327 respectively. The lower end of the threaded rod 325 passes through the support frame 327 and is fixedly connected to the first bevel gear 328. Both ends of the threaded rod 325 are fixedly connected to the flattening bracket 311 and the support frame 327 respectively. The first bevel gear 328 is meshed with the second bevel gear 329. The second bevel gear 329 is fixedly installed on the outside of the connecting rod 322. The motor 321 is fixedly installed at the rear end of the rear support frame 327. The connecting rod 322 is rotatably installed between the two support frames 327. The upper pressure roller 323 is rotatably installed between the two slide plates 324.

[0047] When the fabric drying device is in normal use, the fabric passes over the outside of the guide roller 312 and the flattening roller 313, causing the blowing component 222 to blow air onto both the upper and lower sides of the fabric simultaneously. The motor 321 is started, driving the connecting rod 322 to rotate. The connecting rod 322 drives the first bevel gear 328 to rotate, which in turn drives the second bevel gear 329 to rotate. The second bevel gear 329 drives the threaded rod 325 to rotate, and the threaded rod 325 drives the sliding plate 324 to move upwards along the flattening bracket 311 and the sliding rod 326. The slide bar 326 drives the flattening roller 313 to contact and squeeze the fabric. During the conveying process, the fabric pulls the upper pressure roller 323 to rotate. Through the connection rod 322 and the arrangement of two first bevel gears 328 and two second bevel gears 329, the upper pressure roller 323 can be adjusted up and down on both sides synchronously to ensure uniform force and make the upper pressure roller 323 fit evenly with the fabric. At the same time, the threaded groove of the upper pressure roller 323 causes the fabric to be driven to unfold to both sides during the conveying process, ensuring the flattening effect of the fabric and improving the quality of fabric production.

[0048] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A fabric drying device, including a support device (1), characterized in that: It also includes a drying and dehumidifying device (2) and an adjusting and flattening device (3). The supporting device (1) is equipped with a drying and dehumidifying device (2) for drying and dehumidifying the fabric and an adjusting and flattening device (3) for ensuring the fabric is flattened and output. The drying and dehumidifying device (2) includes a drying component (21) for drying and a return air component (22) for forming a circulating air duct to carry out moisture. The drying component (21) is installed inside the support device (1) and connected to the adjusting and flattening device (3). The return air assembly (22) includes a mounting frame (221), a blower component (222), a baffle frame (223), and a hot air dehumidifier (224). The mounting frame (221) is installed inside the support device (1) and connected to the adjusting and flattening device (3). The blower component (222) consists of multiple fans arranged in a front-to-back pattern. The blowing direction of the blower component (222) is set from left to right. The frames of the multiple fans of the blower component (222) are fixedly installed on the right end of the mounting frame (221). The baffle frame (223) is installed inside the support device (1) and connected to the drying assembly (21). The hot air dehumidifier (224) is installed on the outer side of the upper end of the support device (1). The mounting frame (221) is an L-shaped frame. The upper end of the baffle frame (223) is gradually inclined upward from left to right in an arc shape.

2. The fabric drying device according to claim 1, characterized in that, The support device (1) includes a housing (11), two feeding rollers (12) and two discharging rollers (13). The left and right ends of the housing (11) are respectively provided with strip-shaped through holes for the fabric to pass through. The two feeding rollers (12) are respectively located at the upper and lower ends of the outer side of the strip-shaped through hole on the right side of the housing (11), forming a gap between the two feeding rollers (12) to facilitate the passage of the fabric. The two discharging rollers (13) are respectively located at the upper and lower ends of the outer side of the strip-shaped through hole on the left side of the housing (11), forming a gap between the two discharging rollers (13) to facilitate the passage of the fabric. The feeding rollers (12) and the discharging rollers (13) are rotatably mounted on the housing (11) through a fixing plate. The inner side of the housing (11) is connected to the drying assembly (21). The mounting bracket (221) and the wind baffle (223) are fixedly mounted on the inner side of the housing (11). The hot air dehumidifier (224) is fixedly mounted on the outer side of the upper end of the housing (11).

3. The fabric drying device according to claim 2, characterized in that, The moisture inlet of the hot air dehumidifier (224) is connected to the right end of the mounting bracket (221), and the hot air outlet of the hot air dehumidifier (224) is connected to the left end of the mounting bracket (221). The outer casing (11) is provided with an opening for use with the hot air dehumidifier (224).

4. The fabric drying device according to claim 3, characterized in that, The drying assembly (21) includes a drying bracket (211) and multiple drying lamps (212). The drying bracket (211) is a U-shaped frame. The multiple drying lamps (212) are evenly fixedly installed on the upper and lower inner sides of the drying bracket (211). The drying bracket (211) is fixedly installed on the inner side of the outer shell (11). The right end of the drying bracket (211) is fixedly connected to the wind baffle (223).

5. The fabric drying device according to claim 4, characterized in that, The adjusting and flattening device (3) includes a conveying component (31) and an adjusting component (32). The conveying component (31) is installed inside the housing (11). The conveying component (31) is located between the mounting frame (221) and the drying bracket (211) and is connected to the mounting frame (221) and the drying bracket (211). The adjusting component (32) is installed inside the conveying component (31).

6. The fabric drying apparatus according to claim 5, characterized in that, The conveying assembly (31) includes a flattening bracket (311), a steering roller (312), and a flattening roller (313). The flattening bracket (311) is fixedly installed inside the outer casing (11). The left and right ends of the flattening bracket (311) are fixedly connected to the mounting bracket (221) and the drying bracket (211), respectively. The steering roller (312) and the flattening roller (313) are rotatably installed inside the flattening bracket (311). The steering roller (312) is located to the right of the blowing component (222), and the flattening roller (313) is located below the steering roller (312). The flattening bracket (311) is connected to the adjusting assembly (32).

7. The fabric drying apparatus according to claim 6, characterized in that, The adjustment component (32) includes a motor (321), a connecting rod (322), an upper pressure roller (323), and two adjustment parts. The two adjustment parts are symmetrically arranged front and rear and connected to the conveying component (31). The motor (321) is installed at the rear end of the rear adjustment part. The output end of the motor (321) is fixedly connected to the connecting rod (322). The connecting rod (322) and the upper pressure roller (323) are installed between the two adjustment parts. The upper pressure roller (323) is located below the flattening roller (313). The upper pressure roller (323) has a groove to facilitate the unfolding of the fabric. The groove of the upper pressure roller (323) is spirally arranged from the middle to both sides along the rotation direction.

8. The fabric drying apparatus according to claim 7, characterized in that, The adjusting components include a sliding plate (324), a threaded rod (325), a sliding rod (326), a support frame (327), a first bevel gear (328), and a second bevel gear (329). The sliding plate (324) is slidably mounted inside the flattening bracket (311). The lower end of the flattening bracket (311) has a slot for sliding with the sliding plate (324). The threaded rod (325) and the sliding rod (326) pass through the sliding plate (324). The threaded rod (325) is threadedly connected to the sliding plate (324), and the sliding rod (326) is slidably connected to the sliding plate (324). The support frame (327) is an L-shaped frame. The support frame (327) is fixedly mounted inside the slot at the lower end of the flattening bracket (311). The threaded rod (325) is threadedly mounted inside the slot at the lower end of the flattening bracket (311). 325) is rotatably connected to the flattening bracket (311) and the support frame (327) at both ends respectively. The lower end of the threaded rod (325) passes through the support frame (327) and is fixedly connected to the first bevel gear (328). The two ends of the threaded rod (325) are fixedly connected to the flattening bracket (311) and the support frame (327) respectively. The first bevel gear (328) meshes with the second bevel gear (329). The second bevel gear (329) is fixedly installed on the outside of the connecting rod (322). The motor (321) is fixedly installed at the rear end of the rear support frame (327). The connecting rod (322) is rotatably installed between the two support frames (327). The upper pressure roller (323) is rotatably installed between the two slide plates (324).

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