A sieving device for powder coating processing

Abstract

The application discloses a sieving device for powder coating processing and belongs to the technical field of powder coating processing devices. The technical scheme is as follows: a sieving device for powder coating processing, which comprises two sliding rods arranged in parallel on a mounting wall, a first screening assembly provided with a first screen and longitudinally sliding back and forth along the two sliding rods, a second screening assembly provided with a second screen and slidingly matched with the first screening assembly, a vibrating assembly located between the first screen and the second screen, and a screening driving assembly for controlling the first screening assembly and the second screening assembly; the second screen is located below the first screen, and the vibrating assembly acts on the bottom surface of the first screen. The sieving device for powder coating processing has the advantages that the structure is ingenious, operation is smooth, large-particle impurities are prevented from being blocked, the fineness of powder coating is ensured, and the screening efficiency and quality are ensured.

Description

Technical Field

[0001] This invention relates to the field of powder coating processing equipment, and in particular to a sieving device for powder coating processing. Background Technology

[0002] Powder coatings are generally produced through the following steps: First, resin and curing agent are extruded and mixed to obtain a homogeneous mixture. Then, the extruded mixture is ground and sieved to obtain the initial powder coating with the desired particle size. In use, the powder is usually adhered to a metal substrate by electrostatic spraying and cured at high temperature to achieve decoration or protection of the substrate surface.

[0003] The presence of large particles or agglomeration within the initial powder coating will severely degrade its quality during subsequent use if sieving is not performed. In existing technologies, large particles of impurities clog the sieve openings during powder coating sieving, reducing sieving speed and impacting sieving efficiency.

[0004] How to solve the above-mentioned technical problems is the challenge facing this invention. Summary of the Invention

[0005] In order to solve the problems in the prior art, the present invention provides a sieving device for powder coating processing that has an ingenious structure, smooth operation, prevents large particle impurities from clogging, ensures fine powder coating, and guarantees sieving efficiency and quality.

[0006] To achieve the above-mentioned objective, the present invention provides a sieving device for powder coating processing, comprising two parallel sliding rods mounted on an installation wall, a first screening assembly having a first screen that slides back and forth along the longitudinal direction of the two sliding rods, a second screening assembly having a second screen that slides in cooperation with the first screening assembly, a vibration assembly located between the first screen and the second screen, and a screening drive assembly for controlling the first screening assembly and the second screening assembly; the second screen is located below the first screen, and the vibration assembly acts on the bottom surface of the first screen.

[0007] In use, the screening drive assembly is activated, which simultaneously drives the first screening assembly and the second screening assembly to slide back and forth along the slide bar. The powder coating enters the first screening assembly and is screened by the first screen. Then, it enters the second screening assembly for secondary screening by the second screen. At the same time, the vibration assembly acts on the bottom surface of the first screen to prevent large particles of impurities from clogging the first screen and to prevent the powder coating from accumulating on the first screen, thus ensuring screening efficiency. The addition of the second screen ensures that the powder coating is fine.

[0008] Further features of this invention include that the screening drive assembly comprises two drive rod groups disposed on the mounting wall and located on both lateral sides outside the first screening assembly, a synchronous rotation control component disposed between the two drive rod groups, and a motor; each drive rod group comprises a crank with an input shaft rotatably engaged with the mounting wall, a first connecting rod with the output shaft of the crank in the middle, a rocker arm with one end rotatably connected to the mounting wall and the other end rotatably engaged with one end of the first connecting rod, a second connecting rod with one end rotatably engaged with the first screening assembly and the other end rotatably engaged with the other end of the first connecting rod, and a third connecting rod with one end rotatably engaged with the output shaft of the crank and the other end rotatably engaged with the second screening assembly, wherein the output shaft of the motor is coaxial with the input shaft of one of the cranks.

[0009] Initially, the powder coating entering the first screening assembly passes through the first screen slowly because it has not undergone screening. After being screened by the first screen, during operation, when the crank is driven to rotate by the synchronous rotation control component, the middle part of the first connecting rod sways with the output end of the crank. Under the action of the rocker arm, the corresponding end of the first connecting rod only sways with the rocker arm. Under the action of the second connecting rod, the first screening assembly slides back and forth significantly along the longitudinal direction of the slide bar with the other end of the first connecting rod, while the second screening assembly slides back and forth slightly along the longitudinal direction of the slide bar with the middle part of the first connecting rod or the output end of the crank. Since large particles and agglomerated powder are processed by the first screen, the secondary screening speed of the second screen can be appropriately slowed down to ensure that the powder coating slides down smoothly, ensuring the quality of the powder coating. The structure is ingenious and the operation is stable.

[0010] The present invention also features that the synchronous rotation control component includes two first bevel gear sets corresponding one-to-one with the two drive rod sets, and two second bevel gear sets corresponding one-to-one with the two drive rod sets; the first bevel gear set includes a first bevel gear whose shaft meshes with the output shaft of the crank, and a second bevel gear meshing with the first bevel gear; the second bevel gear set includes a third bevel gear whose shaft is coaxial with the shaft of the second bevel gear, and a fourth bevel gear meshing with the third bevel gear; the shafts of the two fourth bevel gears are coaxial, and when the first bevel gear coaxial with the motor output shaft rotates, it drives the second bevel gear meshing with it to rotate, and the corresponding third bevel gear drives the fourth bevel gear to rotate. Since the two fourth bevel gears are coaxial, the two fourth bevel gears rotate synchronously, that is, the two first bevel gears rotate synchronously, thereby realizing the synchronous rotation of the two cranks.

[0011] The invention also features that the first screening assembly includes an open-bottom outer box, a top box located in the middle of the top surface of the outer box, a feed hose with its output end connected to the top of the top box, two sliding sleeves corresponding to the two sliding rods on the lateral sides of the outer box, and a groove formed on the bottom surface of the sliding sleeve to cooperate with the second screening assembly, facilitating the installation of the second screening assembly. The centerline of the groove is parallel to the centerline of the sliding rod. The first screen is located at the connection between the top box and the outer box. Preferably, the inner diameter of the bottom of the top box is larger than the inner diameter of the top, which facilitates the uniform distribution of powder coating. The bottom of the top box is completely open and covered by the first screen, providing sufficient retention space for large particles of impurities after screening.

[0012] The invention also features that the second screening assembly includes a bottom box that runs vertically through the bottom and whose top surface slides into the bottom surface of the outer box, a connecting frame disposed on the top surface of the bottom box and slidably engaged with the two sliding grooves on both sides, and a discharge hose communicating with the bottom of the bottom box; the second screen is disposed on the top of the bottom box, and the powder coating is screened by the second screen and then processed through the discharge hose for subsequent packaging and other processes.

[0013] Another specific feature of the present invention is that the connecting frame includes two U-shaped frames that are parallel to each other and open upwards. During installation, the two U-shaped frames are located on the outer side of the outer box. A crossbar is set between the open ends of the U-shaped frames, and a protrusion is set on the top surface of the crossbar to cooperate with the sliding groove. The structure is simple and the connection is stable.

[0014] The invention further features that the first screening assembly includes two first hinge rods disposed on the top of the inner wall of the outer casing and located at both ends of the first screen mesh in the longitudinal direction; the U-shaped frame includes two second hinge rods disposed parallel to each other between the closed ends of the two U-shaped frames and located at both ends of the second screen mesh in the longitudinal direction; the vibration assembly includes two telescopic plates whose side edges are respectively attached to the inner wall of the outer casing, two telescopic rod groups corresponding one-to-one with the two telescopic plates, two vibration rods corresponding one-to-one with the two telescopic rod groups and in contact with the bottom surface of the first screen mesh, and a plurality of springs disposed at the telescopic parts of the telescopic rod groups. The spring; one end of the telescopic plate is hinged to the first hinge rod, and the other end is hinged to the corresponding second hinge rod. One end of the telescopic rod assembly is fixedly connected to the end of the telescopic plate near the second hinge rod, and the other end is provided with the vibrating rod. The two telescopic plates and the two side walls of the outer box provide flow channels for powder coating. In use, because the bottom box and the outer box move asynchronously, the two telescopic plates swing back and forth and extend and retract during the swinging process, which drives the two telescopic rods to swing back and forth and extend and retract during the swinging process. In turn, in conjunction with the spring, the vibrating rods are driven to vibrate the bottom of the first screen. The structure is ingenious and the operation is smooth.

[0015] Another specific feature of this invention is that the distance between the two first hinge rods is greater than the distance between the two second hinge rods, so that the two telescopic plates form an inverted trapezoid, which facilitates the guidance of powder coating and improves work efficiency.

[0016] The invention also features that the telescopic plate includes a first sliding plate and a second sliding plate that slide together at one end; the other end of the first sliding plate is rotatably connected to the second hinge rod, and the other end of the second sliding plate is rotatably connected to the first hinge rod; the telescopic rod assembly includes two telescopic rods, each telescopic rod including an outer tube and an inner rod that extend and retract together at one end; the other end of the outer tube is fixedly connected to the inner side of the first sliding plate; the vibration rod is disposed between the other ends of the two inner rods; the spring is placed inside the outer tube, with one end abutting against the inner rod and the other end abutting against the inner side of the first sliding plate; the structure is simple and easy to manufacture.

[0017] The beneficial effects of this invention are as follows: This invention sets up a first screening component and a second screening component to perform two sequential screening processes on the powder coating, ensuring a fine powder coating. Simultaneously, a vibration component is included to prevent large particles of impurities from clogging the first screen and to prevent powder coating from accumulating on the first screen, ensuring screening efficiency. The screening speed of the second screening component is lower than that of the first screening component, ensuring a smooth descent of the powder coating and maintaining its quality. The structure is ingenious and the operation is stable. During the driven screening process, the first and second screening components drive the vibration component to vibrate the first screen, resulting in an ingenious structure and smooth operation. Two opposing telescopic plates are installed inside the outer casing to guide the powder coating, ensuring operational efficiency. Attached Figure Description

[0018] Figure 1 This is the front view of the present invention;

[0019] Figure 2 This is a cross-sectional structural diagram of the present invention;

[0020] Figure 3 This is a schematic diagram of the structure of the present invention;

[0021] Figure 4 This is a schematic diagram showing the connection relationship between the first screening assembly, the second screening assembly, and the vibration assembly of the present invention;

[0022] Figure 5 This is a schematic diagram of the vibration component in this invention;

[0023] Figure 6 This is a schematic diagram of the connecting frame in this invention.

[0024] The reference numerals in the attached drawings are as follows: 1. First screening assembly; 11. Outer box; 12. Top box; 13. Feed hose; 14. First screen; 15. Sliding sleeve; 16. Slide groove; 17. First hinge rod; 2. Second screening assembly; 21. Bottom box; 22. Connecting frame; 221. U-shaped frame; 222. Second hinge rod; 223. Crossbar; 224. Protruding strip; 225. Hinge column; 23. Discharge hose; 24. Second screen; 3. Slide rod; 4. Screening drive assembly; 40. Motor; 41. Crank; 42. First connecting rod; 43. Rocker arm; 44. Second connecting rod; 45. Third connecting rod; 46. Synchronous rotation control component; 461. First bevel gear set; 462. Second bevel gear set; 5. Vibration assembly; 51. First sliding plate; 52. Second sliding plate; 53. Outer tube; 54. Inner rod; 55. Spring; 56. Vibration rod; 6. Mounting wall. Detailed Implementation

[0025] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.

[0026] See Figures 1 to 6 This invention provides a sieving device for powder coating processing, comprising two parallel sliding rods 3 mounted on a mounting wall 6, a first screening assembly 1 having a first screen 14 that slides back and forth along the longitudinal direction of the two sliding rods 3, a second screening assembly 2 having a second screen 24 that slides in cooperation with the first screening assembly 1, a vibration assembly 5 located between the first screen 14 and the second screen 24, and a screening drive assembly 4 for controlling the first screening assembly 1 and the second screening assembly 2; the second screen 24 is located below the first screen 14, and the vibration assembly 5 acts on the bottom surface of the first screen 14.

[0027] In use, the screening drive assembly 4 is activated, which simultaneously drives the first screening assembly 1 and the second screening assembly 2 to slide back and forth longitudinally along the slide bar 3. The powder coating enters the first screening assembly 1 and is screened by the first screen 14. Then, it enters the second screening assembly 2 and is screened again by the second screen 24. At the same time, the vibration assembly 5 acts on the bottom surface of the first screen 14 to prevent large particles of impurities from clogging the first screen 14 and to prevent the powder coating from accumulating on the first screen 14, thus ensuring screening efficiency. The addition of the second screen 24 ensures that the powder coating is fine.

[0028] The present invention also features that the screening drive assembly 4 includes two drive rod groups disposed on the mounting wall 6 and located on both sides of the outer lateral side of the first screening assembly 1, a synchronous rotation control member 46 disposed between the two drive rod groups, and a motor 40; the drive rod group includes a crank 41 whose input shaft is rotatably engaged with the mounting wall 6, a first connecting rod 42 whose middle part is rotatably engaged with the output shaft of the crank 41, a rocker arm 43 whose one end is rotatably connected to the mounting wall 6 and whose other end is rotatably engaged with one end of the first connecting rod 42, a second connecting rod 44 whose one end is rotatably engaged with the first screening assembly 1 and whose other end is rotatably engaged with the other end of the first connecting rod 42, and a third connecting rod 45 whose one end is rotatably engaged with the output shaft of the crank 41 and whose other end is rotatably engaged with the second screening assembly 2, and the output shaft of the motor 40 is coaxial with the input shaft of one of the cranks 41.

[0029] Initially, the powder coating entering the first screening assembly 1 passes through the first screen 14 slowly because it has not undergone screening. After being screened by the first screen 14, during operation, when the crank 41 is driven to rotate by the synchronous rotation control component, the middle part of the first connecting rod 42 sways with the output end of the crank 41. Under the action of the rocker arm 43, the corresponding end of the first connecting rod 42 only sways with the rocker arm 43. Under the action of the second connecting rod 44, the first screening assembly 1 slides back and forth in a large range along the longitudinal direction of the slide bar 3 with the other end of the first connecting rod 42, while the second screening assembly 2 slides back and forth in a small range along the longitudinal direction of the slide bar 3 with the middle part of the first connecting rod 42 or the output end of the crank 41. Since large particles and agglomerated powder are processed by the first screen 14, the secondary screening speed of the second screen 24 can be appropriately slowed down to ensure that the powder coating slides down smoothly, ensuring the quality of the powder coating. The structure is ingenious and the operation is stable.

[0030] The invention also features a synchronous rotation control component 46 comprising two first bevel gear sets 461 corresponding to the two drive rod sets, and two second bevel gear sets 462 corresponding to the two drive rod sets. Each first bevel gear set 461 includes a first bevel gear whose shaft meshes with the output shaft of the crank 41, and a second bevel gear meshing with the first bevel gear. Each second bevel gear set 462 includes a third bevel gear whose shaft is coaxial with the shaft of the second bevel gear, and a fourth bevel gear meshing with the third bevel gear. The shafts of the two fourth bevel gears are coaxial. When the first bevel gear, coaxial with the output shaft of the motor 40, rotates, it drives the second bevel gear meshing with it to rotate. The corresponding third bevel gear drives the fourth bevel gear to rotate. Since the two fourth bevel gears are coaxial, they rotate synchronously, i.e., the two first bevel gears rotate synchronously, thus achieving synchronous rotation of the two cranks 41.

[0031] The invention also features that the first screening assembly 1 includes an outer box 11 with an open bottom, a top box 12 with its bottom connected to the middle of the top surface of the outer box 11, a feed hose 13 with its output end connected to the top of the top box 12, two sliding sleeves 15 corresponding to the two sliding rods 3 on the lateral sides of the outer box 11, and a groove 16 formed on the bottom surface of the sliding sleeve 15 to cooperate with the second screening assembly 2, which facilitates the setting of the second screening assembly 2. The center line direction of the groove 16 is parallel to the center line direction of the sliding rod 3. The first screen 14 is set at the connection between the top box 12 and the outer box 11. Preferably, the inner diameter of the bottom of the top box 12 is larger than the inner diameter of the top, which facilitates the uniform distribution of powder coating. The bottom of the top box 12 is completely open and covered by the first screen 14, which provides sufficient retention space for large particle impurities after screening.

[0032] The invention also features that the second screening assembly 2 includes a bottom box 21 that runs vertically through the bottom and slides with the top surface of the outer box 11, a connecting frame 22 that is disposed on the top surface of the bottom box 21 and slides with two sliding grooves 16 on both sides, and a discharge hose 23 that communicates with the bottom of the bottom box 21; a second screen 24 is disposed on the top of the bottom box 21, and the powder coating is screened by the second screen 24 and then passes through the discharge hose 23 for subsequent packaging and other processes.

[0033] Another specific feature of the present invention is that the connecting frame 22 includes two U-shaped frames 221 that are parallel to each other and open upwards. During installation, the two U-shaped frames 221 are located on the outer horizontal sides of the outer box 11. A crossbar 223 is set between the open ends of the U-shaped frames 221, and a protrusion 224 is set on the top surface of the crossbar 223 to cooperate with the sliding groove 16. The structure is simple and the connection is stable.

[0034] The invention also features that the first screening assembly 1 further includes two first hinge rods 17 disposed on the top of the inner wall of the outer casing 11 and located at both ends of the outer longitudinal direction of the first screen 14; the U-shaped frame 221 further includes two second hinge rods 222 disposed parallel to each other between the closed ends of the two U-shaped frames 221 and located at both ends of the outer longitudinal direction of the second screen 24; the vibration assembly 5 includes two telescopic plates whose side edges are respectively attached to the inner wall of the outer casing 11, two telescopic rod groups corresponding to the two telescopic plates, two vibration rods 56 corresponding to the two telescopic rod groups and in contact with the bottom surface of the first screen 14, and a plurality of springs 5 ​​disposed at the telescopic parts of the telescopic rod groups. 5; One end of the telescopic plate is hinged to the first hinge rod 17, and the other end is hinged to the corresponding second hinge rod 222. One end of the telescopic rod assembly is fixedly connected to the end of the telescopic plate near the second hinge rod 22, and the other end is equipped with a vibration rod 56. The two telescopic plates and the two side walls of the outer box 11 provide flow channels for powder coating. During use, because the bottom box 21 and the outer box move asynchronously, the two telescopic plates swing back and forth and extend and retract during the swinging process, which drives the two telescopic rods to swing back and forth and extend and retract during the swinging process. In turn, in conjunction with the spring 55, the vibration rod 56 is driven to vibrate the bottom of the first screen 14. The structure is ingenious and the operation is smooth.

[0035] Another specific feature of this invention is that the distance between the two first hinge rods 17 is greater than the distance between the two second hinge rods 222, so that an inverted trapezoid is formed between the two telescopic plates, which facilitates the guidance of powder coating and improves work efficiency.

[0036] The invention also features that the telescopic plate includes a first sliding plate 51 and a second sliding plate 52 that are slidably engaged at one end, the other end of the first sliding plate 51 is rotatably connected to the second hinge rod 222, and the other end of the second sliding plate 52 is rotatably connected to the first hinge rod 17; the telescopic rod assembly includes two telescopic rods, each including an outer tube 53 and an inner rod 54 that are telescopically engaged at one end, the other end of the outer tube 53 is fixedly connected to the inner side of the first sliding plate 51, a vibration rod 56 is provided between the other ends of the two inner rods 54, and a spring 55 is placed inside the outer tube 53, with one end abutting against the inner rod 54 and the other end abutting against the inner side of the first sliding plate 51. The structure is simple and easy to manufacture.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A sieving device for powder coating processing, characterized in that, The assembly includes two parallel sliding rods (3) arranged on the mounting wall (6), a first screening assembly (1) with a first screen (14) that slides back and forth along the two sliding rods (3) in the longitudinal direction, a second screening assembly (2) with a second screen (24) that slides in cooperation with the first screening assembly (1), a vibration assembly (5) located between the first screen (14) and the second screen (24), and a screening drive assembly (4) that controls the first screening assembly (1) and the second screening assembly (2); the second screen (24) is located below the first screen (14), and the vibration assembly (5) acts on the bottom surface of the first screen (14); The screening drive assembly (4) includes two drive rod groups disposed on the mounting wall (6) and located on the outer lateral sides of the first screening assembly (1), a synchronous rotation control component (46) disposed between the two drive rod groups, and a motor (40); the drive rod group includes a crank (41) whose input shaft is rotatably engaged with the mounting wall (6), a first connecting rod (42) whose middle part is rotatably engaged with the output shaft of the crank (41), a rocker (43) whose one end is rotatably connected to the mounting wall (6) and whose other end is rotatably engaged with one end of the first connecting rod (42), a second connecting rod (44) whose one end is rotatably engaged with the first screening assembly (1) and whose other end is rotatably engaged with the other end of the first connecting rod (42), and a third connecting rod (45) whose one end is rotatably engaged with the output shaft of the crank (41) and whose other end is rotatably engaged with the second screening assembly (2); the output shaft of the motor (40) is coaxial with the input shaft of one of the cranks (41); The synchronous rotation control component (46) includes two first bevel gear sets (461) corresponding one-to-one with the two drive rod sets, and two second bevel gear sets (462) corresponding one-to-one with the two drive rod sets; the first bevel gear set (461) includes a first bevel gear whose shaft meshes with the output shaft of the crank (41), and a second bevel gear meshing with the first bevel gear; the second bevel gear set (462) includes a third bevel gear whose shaft is coaxial with the shaft of the second bevel gear, and a fourth bevel gear meshing with the third bevel gear; the shafts of the two fourth bevel gears are coaxial; The first screening assembly (1) includes an outer box (11) with an open bottom, a top box (12) with its bottom connected to the middle of the top surface of the outer box (11), a feed hose (13) with its output end connected to the top of the top box (12), two sliding sleeves (15) corresponding to the two sliding rods (3) respectively on the horizontal sides of the outer box (11), and a sliding groove (16) formed on the bottom surface of the sliding sleeve (15) and cooperating with the second screening assembly (2). The center line direction of the sliding groove (16) is parallel to the center line direction of the sliding rod (3). The first screen (14) is set at the connection between the top box (12) and the outer box (11). The second screening assembly (2) includes a bottom box (21) that runs vertically through the bottom and whose top surface slides into the bottom surface of the outer box (11); a connecting frame (22) that is disposed on the top surface of the bottom box (21) and slidably engaged with two sliding grooves (16) on both sides; and a discharge hose (23) that communicates with the bottom of the bottom box (21); the second screen (24) is disposed on the top of the bottom box (21); The connecting frame (22) includes two parallel U-shaped frames (221) with upward openings, a crossbar (223) between the opening ends of the U-shaped frames (221), and a protrusion (224) on the top surface of the crossbar (223) that cooperates with the slide groove (16). The first screening assembly (1) further includes two first hinge rods (17) disposed on the top of the inner wall of the outer casing (11) and located at both ends of the outer longitudinal direction of the first screen (14). The U-shaped frame (221) further includes two second hinge rods (222) disposed parallel to each other between the closed ends of the two U-shaped frames (221) and located at both ends of the outer longitudinal direction of the second screen (24). The vibration assembly (5) includes two telescopic plates at its two side edges that are respectively attached to the inner wall of the outer casing (11), and two telescopic plates that are attached to the inner wall of the outer casing (11). The plate has two telescopic rod groups corresponding to each other, two vibrating rods (56) corresponding to the two telescopic rod groups and in contact with the bottom surface of the first screen (14), and several springs (55) set in the telescopic part of the telescopic rod group; one end of the telescopic plate is hinged to the first hinge rod (17), and the other end is hinged to the corresponding second hinge rod (222); one end of the telescopic rod group is fixedly connected to the end of the telescopic plate near the second hinge rod (222), and the other end is provided with the vibrating rod (56).

2. The sieving device for powder coating processing according to claim 1, characterized in that, The distance between the two first hinge rods (17) is greater than the distance between the two second hinge rods (222).

3. The sieving device for powder coating processing according to claim 2, characterized in that, The telescopic plate includes a first sliding plate (51) and a second sliding plate (52) that slide together at one end. The other end of the first sliding plate (51) is rotatably connected to the second hinge rod (222), and the other end of the second sliding plate (52) is rotatably connected to the first hinge rod (17). The telescopic rod assembly includes two telescopic rods. Each telescopic rod includes an outer tube (53) and an inner rod (54) that extend and retract together at one end. The other end of the outer tube (53) is fixedly connected to the inner side of the first sliding plate (51). A vibration rod (56) is provided between the other ends of the two inner rods (54). The spring (55) is placed inside the outer tube (53), with one end abutting against the inner rod (54) and the other end abutting against the inner side of the first sliding plate (51).

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