Blister connecting line cutting machine

Abstract

The invention discloses a blister connecting line cutting machine which comprises a machine frame body, the machine frame body comprises a mounting machine frame, a machine frame mounting position is arranged at the upper end of the mounting machine frame, a pressing die bottom piece is mounted at the bottom of the machine frame mounting position, and a pressing die top piece is mounted at the upper end of the machine frame mounting position. A die pressing plate is connected to the lower end of the die pressing ejection piece in a vertically movable mode, a feeding opening is formed in the front end of the rack installation position, a feeding device is installed in the feeding opening, a first discharging opening is formed in one side of the rack installation position, and a first discharging device is installed on the side portion of the first discharging opening. A second discharging opening is formed in the other side of the rack installation position, and a second discharging device is installed on the side portion of the second discharging opening. According to the blister connecting line cutting machine, continuous operation of automatic feeding, accurate cutting and efficient discharging is achieved, manual intervention is reduced, and the production efficiency and the finished product quality are improved.

Description

Technical Field

[0001] The present invention belongs to the technical field of automated packaging equipment, and particularly relates to a plastic blister continuous cutting machine for a plastic blister packaging production line. Background Art

[0002] Plastic blister packaging is widely used in industries such as electronic products, daily necessities, food, and medicine. It forms by adsorbing a heated and softened plastic sheet on the surface of a mold and then obtains the finished product through a cutting process. With the continuous improvement of the demand for automated packaging, plastic blister production lines are gradually developing towards high efficiency, intelligence, and continuity. Most traditional plastic blister cutting processes rely on manual or semi-automatic methods for feeding and cutting, which have problems such as cumbersome operations, inaccurate positioning, and low efficiency. Moreover, after forming and cutting, the discharging link of the product often requires manual handling or single-direction conveying, which easily leads to production line bottlenecks and damage to the finished products, affecting the overall production efficiency and product quality.

[0003] In addition, existing plastic blister cutting equipment usually has a single structure, cannot simultaneously take into account two-way discharging or multi-directional sorting, has poor flexibility, and is difficult to adapt to the continuous operation requirements under different specifications and production rhythms. Although some devices have an automatic feeding function, their coordination in precise pressing, synchronous transmission, and finished product transfer is poor, and still requires a lot of manual intervention, which is not conducive to realizing a highly automated packaging production line.

[0004] In view of this, overcoming the above-mentioned defects of the existing technology is an urgent problem to be solved in this technical field. Summary of the Invention

[0005] Aiming at the technical problems mentioned in the background art, the purpose of the present invention is to provide a plastic blister continuous cutting machine that realizes continuous operation of automatic feeding, precise cutting, and efficient discharging, reduces manual intervention, and improves production efficiency and the quality of finished products, so as to solve the technical problems mentioned in the above background art.

[0006] To achieve the above purpose, the technical solution provided by the present invention is: a plastic blister continuous cutting machine, which includes a frame main body. The frame main body includes an installation frame. At the upper end of the installation frame, there is a frame installation position. At the bottom of the frame installation position, a die pressing bottom part is installed. At the upper end of the frame installation position, a die pressing top part is installed. The lower end of the die pressing top part is connected to a die pressing plate in a vertically movable manner. At the front end of the frame installation position, a feeding opening is opened, and a feeding device is installed in the feeding opening. At one side of the frame installation position, a first discharging opening is opened, and a first discharging device is installed at the side of the first discharging opening. At the other side of the frame installation position, a second discharging opening is opened, and a second discharging device is installed at the side of the second discharging opening.

[0007] Further, the die pressing ejector includes an ejector mounting block which is arranged at the upper end of the frame mounting position. A number of positioning movable columns are evenly connected between the edge of the ejector mounting block and the edge of the die pressing bottom piece. The die pressing plate is movably connected between a number of the positioning movable columns. A driving motor is installed on the side of the ejector mounting block, and the driving motor is connected to the die pressing plate.

[0008] Further, movable column motors are respectively installed at the tops of a number of the positioning movable columns. A transmission gear is respectively connected to the lower end of each movable column motor. A number of the transmission gears are connected by a transmission belt.

[0009] Further, the feeding device includes a first feeding movable rod and a second feeding movable rod which are respectively arranged in the feeding opening of the frame mounting position. A number of first feeding pressing pieces are movably connected to the first feeding movable rod. A number of second feeding pressing pieces are movably connected to the second feeding movable rod. A number of the first feeding pressing pieces and a number of the second feeding pressing pieces are arranged in one-to-one correspondence. First feeding motors are respectively installed on both sides of the first feeding movable rod. Second feeding motors are also respectively installed on both sides of the second feeding movable rod.

[0010] Further, the first discharging device includes a first discharging support. First movable tracks are symmetrically installed on both sides of the first discharging support. First discharging motors are respectively installed at both end side parts of the first movable track. The two first discharging motors are connected by a first discharging belt. A first discharging mounting plate which can be slidably installed left and right is connected between the two first movable tracks. The first discharging mounting plate is connected to the first discharging belt. A first discharging adsorption frame is connected below the first discharging mounting plate.

[0011] Further, a first connecting track is installed on the upper side part of the first discharging support. A first movable motor is installed at the lower end of the first connecting track, and a first motor driven gear is installed at the upper end of the first connecting track. The first motor driven gear is linked with the first movable motor through a first movable belt. A first adsorption frame connecting rod can be slidably connected up and down on the side of the first connecting track. The upper end of the first adsorption frame connecting rod is clamped and connected to the first movable belt, and its bottom end is fixedly connected to the first discharging adsorption frame.

[0012] Further, the second discharging device includes a second discharging support. Second movable tracks are symmetrically installed on both sides of the second discharging support. Second discharging motors are respectively installed at both end side parts of the second movable track. The two second discharging motors are connected by a second discharging belt. A second discharging mounting plate which can be slidably installed left and right is connected between the two second movable tracks. The second discharging mounting plate is connected to the second discharging belt. A second discharging adsorption frame is connected below the second discharging mounting plate.

[0013] Furthermore, a second connecting track is installed on the upper side of the second discharging support. A second movable motor is installed at the lower end of the second connecting track, and a second motor-driven gear is installed at its upper end. The second motor-driven gear is linked with the second movable motor through a second movable belt. A second adsorption frame connecting rod is slidably connected up and down to the side of the second connecting track. The upper end of the second adsorption frame connecting rod is clamped to the second movable belt, and its bottom end is fixedly connected to the second discharging adsorption frame.

[0014] Furthermore, a first conveyor belt assembly is installed at the lower end of the first discharging support, which is correspondingly arranged with the first discharging adsorption frame. A second conveyor belt assembly is installed at the lower end of the second discharging support, which is correspondingly arranged with the second discharging adsorption frame.

[0015] Furthermore, a control assembly is installed on the front side of the first discharging support, and the control assembly is provided with a control display screen.

[0016] The present invention mainly has the following beneficial effects: A frame installation position is provided at the upper end of the installation frame. A die pressing bottom part is installed at the bottom of the frame installation position, and a die pressing top part is installed at the upper end of the frame installation position. The lower end of the die pressing top part is connected to the die pressing plate in a vertically movable manner. A feeding opening is formed at the front end of the frame installation position, and a feeding device is installed in the feeding opening. A first discharging opening is formed at one side of the frame installation position, and a first discharging device is installed at the side of the first discharging opening. A second discharging opening is formed at the other side of the frame installation position, and a second discharging device is installed at the side of the second discharging opening. The plastic suction continuous cutting machine of the present invention realizes continuous operations of automatic feeding, precise cutting, and efficient discharging, reduces manual intervention, and improves production efficiency and finished product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic perspective view of the overall structure of the present invention.

[0018] Figure 2 is a schematic perspective view of the installation frame, die pressing plate, and feeding device of the present invention.

[0019] Figure 3 is a schematic perspective view of the installation frame, die pressing bottom part, and die pressing top part of the present invention.

[0020] Figure 4 is a schematic perspective view of the first discharging device of the present invention.

[0021] Figure 5 is a schematic perspective view of the second discharging device of the present invention.

[0022] Reference numerals: frame body 1; mounting frame 10; frame mounting position 11; bottom die pressing part 20; top die pressing part 30; die pressing plate 31; feeding opening 111; feeding device 40; first discharging opening 112; first discharging device 50; second discharging opening 113; second discharging device 60; top part mounting block 32; positioning movable column 33; driving motor 34; movable column motor 35; transmission gear 351; transmission belt 36; first feeding movable rod 41; second feeding movable rod 42; first feeding pressing part 411; second feeding pressing part 421; first feeding motor 43; second feeding motor 44; first discharging support 51; first movable track 52; first discharging motor 53; first discharging belt 531; first discharging mounting plate 54; first discharging adsorption frame 55; first connecting track 56; first movable motor 561; first motor driving tooth 562; first movable belt 563; first adsorption frame connecting rod 57; second discharging support 61; second movable track 62; second discharging motor 63; second discharging belt 631; second discharging mounting plate 64; second discharging adsorption frame 65; second connecting track 66; second movable motor 661; second motor driving tooth 662; second movable belt 663; second adsorption frame connecting rod 67; first conveyor belt assembly 58; second conveyor belt assembly 68; control assembly 70; control display screen 71. Detailed implementation

[0023] As Figures 1 to 5 shown, a plastic suction connection cutting machine includes a frame body 1, the frame body 1 includes a mounting frame 10, the upper end of the mounting frame 10 is provided with a frame mounting position 11, the bottom of the frame mounting position 11 is installed with a bottom die pressing part 20, the upper end of the frame mounting position 11 is installed with a top die pressing part 30, the lower end of the top die pressing part 30 is movably connected up and down with a die pressing plate 31, the front end of the frame mounting position 11 is provided with a feeding opening 111, a feeding device 40 is installed in the feeding opening 111, a first discharging opening 112 is provided on one side of the frame mounting position 11, a first discharging device 50 is installed on the side of the first discharging opening 112, a second discharging opening 113 is provided on the other side of the frame mounting position 11, a second discharging device 60 is installed on the side of the second discharging opening 113. During the use process, the material is clamped by the feeding device 40 and sent into the frame. When the material is conveyed between the top die pressing part 30 and the bottom die pressing part 20, the top die pressing part 30 drives the die pressing plate 31 to move downward to perform forming and cutting operations on the material. After the forming is completed, the first discharging device 50 conveys the material to the conveyor belt on one side through the first discharging opening 112, and the second discharging device 60 conveys the material to the conveyor belt on the other side through the second discharging opening 113. Through this structural setting, continuous operation of automatic feeding, precise cutting and efficient discharging is realized, and the overall working efficiency is improved.

[0024] In specific implementation, the die pressing ejector 30 includes an ejector mounting block 32 which is arranged at the upper end of the frame mounting position 11 and is used to support and mount the driving structure of the die pressing plate 31. A number of positioning movable columns 33 are evenly connected between the edge of the ejector mounting block 32 and the edge of the die pressing bottom piece 20, which are used to ensure the relative position accuracy of the upper and lower dies during the cutting and forming processes. The die pressing plate 31 is movably connected between a number of the positioning movable columns 33 and can move up and down along the direction of the positioning movable columns 33. The positioning movable columns 33 not only play a guiding role but also participate in the lifting control of the die pressing plate 31. To achieve automatic driving, a driving motor 34 is installed on the side of the ejector mounting block 32. The driving motor 34 is connected to the die pressing plate 31 through a linkage mechanism and is used to provide the downward pressing power of the die pressing plate 31. In addition, movable column motors 35 are respectively installed at the tops of a number of the positioning movable columns 33. The lower end of each movable column motor 35 is respectively connected with a transmission gear 351. A number of the transmission gears 351 are connected through a transmission belt 36 to form a linkage transmission mechanism. Through the synchronous driving of the movable column motors 35, all the positioning movable columns 33 can be kept in consistent motion, further ensuring that the die pressing plate 31 remains horizontal during the lifting process, avoiding deviation or inclination, and improving the accuracy and consistency of forming and cutting. During use, the material is fed into the die pressing area by the feeding device 40. When the sensor detects that the material has been positioned, the driving motor 34 is started to drive the die pressing plate 31 to move downward, and cooperate with the die pressing bottom piece 20 to press and cut the material. The movable column motors 35 can provide auxiliary positioning or fine-tuning actions according to needs to achieve precise control. After cutting is completed, the die pressing plate 31 is reset under the action of the driving system, and the discharging device starts to operate to send the formed material out from the first discharging opening 112 and the second discharging opening 113 to the corresponding conveyor belts respectively, completing a working cycle.

[0025] In specific implementation, the feeding device 40 includes a first feeding movable rod 41 and a second feeding movable rod 42, which are respectively arranged in the feeding opening 111 of the frame mounting position 11 and are located on both sides of the material transmission path. A number of first feeding pressing members 411 are movably connected to the first feeding movable rod 41 for clamping one side of the material; a number of second feeding pressing members 421 are movably connected to the second feeding movable rod 42 for clamping the other side of the material. A number of the first feeding pressing members 411 and a number of the second feeding pressing members 421 are arranged in one-to-one correspondence. When the first feeding pressing member 411 and the second feeding pressing member 421 approach each other, the material can be stably clamped in the middle to achieve stable feeding. First feeding motors 43 are respectively installed on both sides of the first feeding movable rod 41 for driving the first feeding movable rod 41 to perform horizontal reciprocating motion; second feeding motors 44 are also respectively installed on both sides of the second feeding movable rod 42 for driving the second feeding movable rod 42 to act synchronously or alternately. In actual use, the first feeding motor 43 and the second feeding motor 44 operate in coordination to enable the first feeding movable rod 41 and the second feeding movable rod 42 to drive the corresponding feeding pressing members to clamp the material; then, the feeding movable rod is driven by the motor to move along the feeding direction, and the material is fed between the die pressing member 30 and the die bottom member 20 for forming and cutting. This structural design can effectively realize the automatic, stable and continuous feeding of materials, improving the overall working efficiency and forming quality of the equipment.

[0026] In specific implementation, the first discharging device 50 includes a first discharging support 51 disposed on one side of the frame mounting position 11, and this support undertakes the overall installation function of the first discharging device 50. On both sides of the first discharging support 51, first moving tracks 52 are symmetrically installed, which are used to guide the horizontal movement of the discharging device. At both end sides of the first moving track 52, first discharging motors 53 are respectively installed, and between the two first discharging motors 53, they are connected by a first discharging belt 531, and this first discharging belt 531 is used to drive the discharging component to move between the tracks. Between the two first moving tracks 52, a first discharging mounting plate 54 is slidably installed left and right, and the first discharging mounting plate 54 is connected to the first discharging belt 531 and moves horizontally along with the start and stop of the first discharging belt 531. Below the first discharging mounting plate 54, a first discharging adsorption frame 55 is connected, which is used to adsorb or grasp the cut and formed materials. To achieve the lifting in the vertical direction, a first connecting track 56 is installed on the upper side of the first discharging support 51. At the lower end of the first connecting track 56, a first moving motor 561 is installed, which is used to drive the movement in the vertical direction, and at its upper end, a first motor-driven gear 562 is installed. The first motor-driven gear 562 is linked with the first moving motor 561 through a first moving belt 563. On the side of the first connecting track 56, a first adsorption frame connecting rod 57 is slidably connected up and down. The upper end of the first adsorption frame connecting rod 57 is clamped and connected to the first moving belt 563, so that it can move up and down along with the movement of the belt, and its bottom end is fixedly connected to the first discharging adsorption frame 55. During use, the first discharging motor 53 drives the first discharging belt 531 to operate, driving the first discharging mounting plate 54 and the first discharging adsorption frame 55 to move horizontally; at the same time, the first moving motor 561 drives the first moving belt 563 to drive the first adsorption frame connecting rod 57 to move up and down, thus realizing the two-way linkage control of the adsorption frame in the horizontal and vertical directions. After the formed material is cut, it is adsorbed by the first discharging adsorption frame 55, and then moved to the preset conveyor belt position and released, completing the discharging process.

[0027] In specific implementation, the second discharging device 60 includes a second discharging support 61 disposed on the other side of the frame mounting position 11. Second movable tracks 62 are symmetrically installed on both sides of the second discharging support 61. Second discharging motors 63 are respectively installed at both end sides of the second movable tracks 62. The two second discharging motors 63 are connected by a second discharging belt 631. A second discharging mounting plate 64 that can be slidably installed left and right is connected between the two second movable tracks 62. The second discharging mounting plate 64 is connected to the second discharging belt 631. A second discharging suction frame 65 is connected below the second discharging mounting plate 64. A second connecting track 66 is installed on the upper side of the second discharging support 61. A second movable motor 661 is installed at the lower end of the second connecting track 66, and a second motor driving gear 662 is installed at its upper end. The second motor driving gear 662 is linked with the second movable motor 661 through a second movable belt 663. A second suction frame connecting rod 67 is slidably connected up and down to the side of the second connecting track 66. The upper end of the second suction frame connecting rod 67 is clamped and connected to the second movable belt 663, and its bottom end is fixedly connected to the second discharging suction frame 65. During use, the second discharging motor 63 drives the second discharging belt 631 to run, driving the second discharging mounting plate 64 and the suction frame below it to move horizontally; at the same time, the second movable motor 661 drives the second movable belt 663 to rotate, driving the second suction frame connecting rod 67 to slide up and down, so that the suction frame can realize horizontal and vertical two-way movement control. After the molding material is pressed, cut and trimmed, it is adsorbed and carried by the suction frame to the other conveyor belt to complete the discharging operation.

[0028] In specific implementation, a first conveyor belt assembly 58 is installed at the lower end of the first discharging support 51. The first conveyor belt assembly 58 and the first discharging suction frame 55 are correspondingly arranged to facilitate the suction frame to accurately release the cut and formed material onto the conveyor belt for subsequent transfer operations. The first conveyor belt assembly 58 can stably convey the molding material to a designated area after it falls, improving the discharging efficiency and automation level. A second conveyor belt assembly 68 is installed at the lower end of the second discharging support 61. The second conveyor belt assembly 68 and the second discharging suction frame 65 are correspondingly arranged to ensure that the material can smoothly transition to the conveyor belt for the next process or collection after being released by the suction frame. During use, after the die pressing top piece 30 drives the die pressing plate 31 to complete the forming and cutting operations, the formed materials are respectively adsorbed and carried by the first discharging suction frame 55 and the second discharging suction frame 65, and then are released after moving to directly above the corresponding conveyor belt assembly. The released material is continuously conveyed to the subsequent process area through the first conveyor belt assembly 58 or the second conveyor belt assembly 68. The whole process is automatic and efficient, reducing manual intervention and improving production efficiency and finished product quality.

[0029] In specific implementation, a control component 70 is installed on the front side of the first discharge support 51. The control component 70 is provided with a control display screen 71 for real-time display and operation control of various operating parameters of the plastic vacuum forming and connecting cutting machine.

[0030] In summary, a frame installation position 11 is provided at the upper end of the installation frame 10. A die pressing bottom piece 20 is installed at the bottom of the frame installation position 11. A die pressing top piece 30 is installed at the upper end of the frame installation position 11. The lower end of the die pressing top piece 30 is connected to a die pressing plate 31 in a vertically movable manner. A feeding opening 111 is formed at the front end of the frame installation position 11. A feeding device 40 is installed in the feeding opening 111. A first discharge opening 112 is formed at one side of the frame installation position 11. A first discharge device 50 is installed at the side of the first discharge opening 112. A second discharge opening 113 is formed at the other side of the frame installation position 11. A second discharge device 60 is installed at the side of the second discharge opening 113. The plastic vacuum forming and connecting cutting machine of the present invention realizes continuous operation of automatic feeding, precise cutting and efficient discharging, reduces manual intervention, and improves production efficiency and finished product quality.

Claims

1. A plastic thermoforming continuous cutting machine, characterized in that, It includes a frame main body (1), the frame main body (1) includes a mounting frame (10), the upper end of the mounting frame (10) is provided with a frame mounting position (11), a die pressing bottom part (20) is installed at the bottom of the frame mounting position (11), a die pressing top part (30) is installed at the upper end of the frame mounting position (11), the lower end of the die pressing top part (30) is connected to a die pressing plate (31) in a vertically movable manner, a feeding opening (111) is formed at the front end of the frame mounting position (11), a feeding device (40) is installed in the feeding opening (111), a first discharging opening (112) is formed at one side of the frame mounting position (11), a first discharging device (50) is installed at the side part of the first discharging opening (112), a second discharging opening (113) is formed at the other side of the frame mounting position (11), and a second discharging device (60) is installed at the side part of the second discharging opening (113).

2. The plastic thermoforming and connecting cutting machine according to claim 1, characterized in that, The die pressing top part (30) includes a top part mounting block (32), the top part mounting block (32) is arranged at the upper end of the frame mounting position (11), a plurality of positioning movable columns (33) are evenly connected between the edge of the top part mounting block (32) and the edge of the die pressing bottom part (20), the die pressing plate (31) is movably connected between a plurality of the positioning movable columns (33), a driving motor (34) is installed at the side part of the top part mounting block (32), and the driving motor (34) is connected to the die pressing plate (31).

3. The blister connection cutting machine according to claim 2, wherein, Movable column motors (35) are respectively installed at the tops of a plurality of the positioning movable columns (33), a transmission gear (351) is respectively connected to the lower end of each movable column motor (35), and a plurality of the transmission gears (351) are connected through a transmission belt (36).

4. The blister connection cutting machine according to claim 3, characterized in that The feeding device (40) includes a first feeding movable rod (41) and a second feeding movable rod (42), which are respectively arranged in the feeding opening (111) of the frame mounting position (11), a plurality of first feeding pressing parts (411) are movably connected to the first feeding movable rod (41), a plurality of second feeding pressing parts (421) are movably connected to the second feeding movable rod (42), a plurality of the first feeding pressing parts (411) and a plurality of the second feeding pressing parts (421) are arranged in one-to-one correspondence, first feeding motors (43) are respectively installed at both sides of the first feeding movable rod (41), and second feeding motors (44) are also respectively installed at both sides of the second feeding movable rod (42).

5. The plastic suction connecting cutting machine according to claim 4, wherein, The first discharging device (50) includes a first discharging support (51), first movable tracks (52) are symmetrically installed at both sides of the first discharging support (51), first discharging motors (53) are respectively installed at both end side parts of the first movable tracks (52), the two first discharging motors (53) are connected through a first discharging belt (531), a first discharging mounting plate (54) which can be slidably installed left and right is connected between the two first movable tracks (52), the first discharging mounting plate (54) is connected to the first discharging belt (531), and a first discharging adsorption frame (55) is connected below the first discharging mounting plate (54).

6. The blister connection cutting machine according to claim 5, wherein On the upper side of the first discharge support (51), a first connecting track (56) is installed. At the lower end of the first connecting track (56), a first movable motor (561) is installed, and at its upper end, a first motor-driven gear (562) is installed. The first motor-driven gear (562) is linked with the first movable motor (561) through a first movable belt (563). On the side of the first connecting track (56), a first adsorption frame connecting rod (57) is slidably connected up and down. The upper end of the first adsorption frame connecting rod (57) is clamped to the first movable belt (563), and its bottom end is fixedly connected to the first discharge adsorption frame (55).

7. The blister continuous cutting machine according to claim 6, characterized in that, The second discharge device (60) includes a second discharge support (61). On both sides of the second discharge support (61), second movable tracks (62) are symmetrically installed. At the two end sides of the second movable track (62), second discharge motors (63) are respectively installed. Between the two second discharge motors (63), they are connected by a second discharge belt (631). Between the two second movable tracks (62), a second discharge mounting plate (64) that can be slidably installed left and right is connected. The second discharge mounting plate (64) is connected to the second discharge belt (631), and a second discharge adsorption frame (65) is connected below the second discharge mounting plate (64).

8. The plastic thermoforming and connecting cutting machine according to claim 7, characterized in that, On the upper side of the second discharge support (61), a second connecting track (66) is installed. At the lower end of the second connecting track (66), a second movable motor (661) is installed, and at its upper end, a second motor-driven gear (662) is installed. The second motor-driven gear (662) is linked with the second movable motor (661) through a second movable belt (663). On the side of the second connecting track (66), a second adsorption frame connecting rod (67) is slidably connected up and down. The upper end of the second adsorption frame connecting rod (67) is clamped to the second movable belt (663), and its bottom end is fixedly connected to the second discharge adsorption frame (65).

9. The blister connecting and cutting machine according to claim 8, wherein At the lower end of the first discharge support (51), a first conveyor belt assembly (58) is installed, which is correspondingly arranged with the first discharge adsorption frame (55). At the lower end of the second discharge support (61), a second conveyor belt assembly (68) is installed, which is correspondingly arranged with the second discharge adsorption frame (65).

10. The blister connection cutting machine according to claim 9, wherein, On the front side of the first discharge support (51), a control component (70) is installed, and the control component (70) is provided with a control display screen (71).

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