Liquid expansion thermostat housing tape wrapping machine

Abstract

The liquid expansion thermostat shell adhesive tape winding machine relates to the technical field of thermostats, and includes a frame and a material guide mechanism, a material transfer mechanism and a cutting mechanism arranged on the frame; the material guide mechanism includes a material tray installed on the frame for placing the adhesive tape and a guide rod located on one side of the material tray for tensioning the adhesive tape; the material transfer mechanism includes a turntable arranged on the frame, the turntable is located on one side of the guide rod and its bottom is connected to a first motor for driving its rotation, and the turntable is provided with a first positioning block and a second positioning block for clamping the shell, the first positioning block and the second positioning block are centrally symmetrically distributed with the rotation center of the turntable as the midpoint, the adhesive tape is led out from the material tray to the shell attached to the first positioning block, and the first motor can drive the turntable to rotate 180 degrees so that the positions of the first positioning block and the second positioning block are swapped. The present invention can quickly wrap the adhesive tape around the shell of the liquid expansion thermostat, reduce the labor intensity of workers, and improve the uniformity of the adhesive tape.

Description

Technical Field

[0001] The invention relates to the technical field of temperature controllers, in particular to a liquid expansion type temperature controller shell tape winding machine. Background Art

[0002] The liquid expansion thermostat is a type of thermostat that uses the physical properties of liquid expansion and contraction to make the switch produce on-off action. Specifically, when the temperature of the controlled object changes, the heat medium in the temperature-sensing cylinder of the liquid expansion thermostat is heated or cooled to produce physical changes of thermal expansion and contraction, and the membrane box connected to the temperature-sensing cylinder expands or contracts, and through mechanical mechanisms such as levers, the switch contacts are driven to open or close, thereby achieving the purpose of controlling the temperature.

[0003] During long-term use, the liquid expansion thermostat is prone to moisture due to the environment in which it is located, which affects the internal parts to a certain extent. The existing more effective protection method is to stick transparent tape on the side surface of the shell of the liquid expansion thermostat. However, the production process mainly relies on workers to manually stick them one by one, which is labor-intensive. In addition, since the shell is usually rectangular and has four sides, the workers need to hold the tape in one hand and hold the shell with the other hand and rotate it to make each side stick to the tape. In this process, it is easy to cause uneven sticking and affect the appearance of the product. Summary of the invention

[0004] The object of the present invention is to provide a liquid expansion type thermostat shell adhesive tape winding machine, which can quickly wind the shell of the liquid expansion type thermostat with adhesive tape, reduce the labor intensity of workers, and improve the uniformity of adhesive tape coating.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions: a liquid expansion temperature controller shell tape winding machine, comprising a frame and a material guiding mechanism, a material transferring mechanism and a cutting mechanism arranged on the frame; the material guiding mechanism comprises a material tray mounted on the frame for placing the tape and a guide rod located on one side of the material tray for tensioning the tape; the material transferring mechanism comprises a turntable arranged on the frame, the turntable is located on one side of the guide rod and a first motor for driving the turntable to rotate is connected to its bottom, the turntable is provided with a first positioning block and a second positioning block for clamping the shell, the first positioning block and the second positioning block are centrally symmetrically distributed with the rotation center of the turntable as the midpoint, and the tape The tape is led out from the material tray to the shell attached to the first positioning block. The first motor can drive the turntable to rotate 180 degrees so that the positions of the first positioning block and the second positioning block are swapped, so that the shell on the second positioning block can be attached with tape; the cutting mechanism includes a slide and a blade fixed on the slide for cutting the tape, the slide is located on one side of the turntable and is slidably connected to the frame, when the turntable is in a stationary state, the slide can drive the blade to move between the first positioning block and the second positioning block to cut the tape or withdraw from between the first positioning block and the second positioning block, and a brush head for smoothing the tape on the shell on the corresponding side is fixedly arranged on both sides of the blade.

[0006] Preferably, two parallel slide rails are installed on the frame, and the slide seat is slidably connected to the slide rails.

[0007] More preferably, the frame is equipped with a second motor, the output shaft of the second motor is vertically upward and fixedly connected to a rocker arm, the rocker arm is horizontally arranged and one end of which is fixedly connected to a slider, a strip-shaped slide groove is correspondingly arranged at the bottom of the slide seat, the length direction of the slide groove is perpendicular to the moving direction of the slide seat, the slider is clamped in the slide groove and can slide along the slide groove, the length of the slide groove is at least twice the length of the rocker arm, the initial position of the rocker arm is located below the middle of the slide groove and the initial state of the rocker arm is perpendicular to the slide groove, when the output shaft of the second motor rotates, it can drive the rocker arm to swing, so that the slider slides along the slide groove, and then can drive the slide seat to reciprocate along the slide rail.

[0008] More preferably, the blade is triangular in shape and its tip is used to contact and cut the tape.

[0009] More preferably, a blade connecting block is installed on the slide seat, one end of the blade connecting block extends from the slide seat and is connected to the blade, a first strip through hole is opened on the blade connecting block, a first fastening bolt is passed through the first strip through hole, the first fastening bolt fixes the blade connecting block to the top of the slide seat, and the distance that the blade connecting block extends from the slide seat can be adjusted by loosening the first fastening bolt.

[0010] More preferably, the guide rod is a cylindrical structure with a smooth surface.

[0011] More preferably, two limit blocks are installed on the guide rod, the spacing between the two limit blocks matches the width of the tape, and the height of the spacing corresponds to the height of the tape on the material tray and the height of the shell side on each positioning block.

[0012] More preferably, a strip block is fixedly connected to the bottom of the guide rod, a second strip through hole is opened on the strip block, a second fastening bolt is passed through the second strip through hole, and the second fastening bolt fixes the strip block to the top of the frame, and the position of the strip block in the horizontal direction can be adjusted by loosening the second fastening bolt, thereby adjusting the tension of the guide rod on the tape.

[0013] More preferably, the first positioning block and the second positioning block are detachably connected to the turntable, and the first positioning block and the second positioning block are each provided with two positioning pins for inserting into corresponding mounting holes of the shell.

[0014] More preferably, a brush is fixedly mounted on the frame, and during the rotation of the turntable, one of the sides of the shell on the first positioning block or the second positioning block, on which the tape is attached, can move against the brush.

[0015] The working principle of the present invention is as follows: first, a shell is clamped on the first positioning block and the second positioning block respectively, then the tape is led out from the material tray and then abutted against the guide rod, and then affixed to the three side surfaces of the shell on the first positioning block, and then the first motor is started to make the turntable rotate 180 degrees and stop. During this process, the shell on the first positioning block continuously pulls out a certain length of the tape from the material tray and makes one section of the tape affixed to the other side surface of the shell. At the same time, the second positioning block has completed the position swap with the first positioning block, and the two side surfaces of the shell on the second positioning block therefore abut against and cover the tape in this process. At this time, the slide The seat can drive the blade to move between the first positioning block and the second positioning block to cut the tape. While cutting the tape, the brush heads on both sides of the blade can smooth the broken tape on the side of the shell on the corresponding side. At this time, all sides of the shell on the first positioning block have been covered with tape, and three sides of the shell on the second positioning block have been covered. After the blade is retracted, the worker can remove the shell on the first positioning block, and then put in the next shell to carry out the next round of tape winding process. In the next round of tape winding process, the movement trajectory and tape winding action of the shell on the second positioning block are the same as those of the shell on the original first positioning block.

[0016] The liquid expansion thermostat shell adhesive tape winding machine can realize the adhesive tape winding work with a high degree of automation, so as to achieve the effect of quickly winding the adhesive tape on the shell of the liquid expansion thermostat, thereby greatly reducing the labor intensity of workers and improving the uniformity of adhesive tape coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure in an embodiment of the present invention;

[0018] Figure 2 This is a schematic diagram of the overall structure when the tape is cut in the embodiment;

[0019] Figure 3 Schematic diagram of the bottom structure of the slide seat and the rocker arm in the embodiment.

[0020] The accompanying drawings are marked as follows:

[0021] 1——Frame 2——Tape 3——Material tray

[0022] 4——Guide rod 4a——Limiting block 4b——Strip block

[0023] 4c——Second strip-shaped through hole 5——Turntable 6——Housing

[0024] 7a——first positioning block 7b——second positioning block 7c——positioning pin

[0025] 8——slide seat 8a——slide groove 9——blade

[0026] 10——Brush head 11——Slide rail 12——Swing rod

[0027] 12a——sliding block 13——blade connecting block 13a——first strip through hole

[0028] 14——Brush. DETAILED DESCRIPTION

[0029] In order to facilitate the understanding of those skilled in the art, the present invention is further described below in conjunction with embodiments and drawings. The contents mentioned in the implementation modes are not intended to limit the present invention.

[0030] It should be noted in advance that, in the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In addition, in the present invention, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features being in contact through another feature between them instead of being in direct contact. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. The terms "above", "below", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention.

[0032] like Figure 1-2 As shown, the liquid expansion type temperature controller shell tape winding machine includes a frame 1 and a material guiding mechanism, a material transfer mechanism and a cutting mechanism arranged on the frame 1; the material guiding mechanism includes a material tray 3 installed on the frame 1 for placing the tape 2 and a guide rod 4 located on one side of the material tray 3 for tensioning the tape 2; the material transfer mechanism includes a turntable 5 arranged on the frame 1, the turntable 5 is located on one side of the guide rod 4 and its bottom is connected to a first motor (not shown in the drawings) for driving it to rotate, and the turntable 5 is provided with a first positioning block 7a and a second positioning block 7b for clamping the shell 6, and the first positioning block 7a and the second positioning block 7b are centrally symmetrically distributed with the rotation center of the turntable 5 as the midpoint, and the tape 2 is led out from the material tray 3 to the first motor attached to the first positioning block 7a. A shell 6 is on a positioning block 7a, and a first motor can drive the turntable 5 to rotate 180 degrees so that the positions of the first positioning block 7a and the second positioning block 7b are swapped, so that the shell 6 on the second positioning block 7b can be affixed with the tape 2; the cutting mechanism includes a slide 8 and a blade 9 fixed on the slide 8 for cutting the tape 2, the slide 8 is located on one side of the turntable 5 and is slidably connected to the frame 1, when the turntable 5 is in a stationary state, the slide 8 can drive the blade 9 to move between the first positioning block 7a and the second positioning block 7b to cut the tape 2 or withdraw from between the first positioning block 7a and the second positioning block 7b, and a brush head 10 for smoothing the tape 2 on the shell 6 on the corresponding side is fixedly arranged on both sides of the blade 9.

[0033] When the liquid expansion type thermostat housing tape wrapping machine provided in the above embodiment is working, firstly, a housing 6 is clamped on the first positioning block 7a and the second positioning block 7b respectively, then the tape 2 is drawn out from the material tray 3 and then abutted against the guide rod 4, and then attached to the three sides of the housing 6 on the first positioning block 7a, and then the first motor is started to make the turntable 5 rotate 180 degrees (towards Figure 1 The second positioning block 7a rotates clockwise along the middle turntable 5 and stops. During this process, the shell 6 on the first positioning block 7a continuously pulls out a length of the tape 2 from the material tray 3 and makes one section of it stick to the other side of the shell 6. At the same time, the second positioning block 7b has completed the position swap with the first positioning block 7a. Therefore, the two sides of the shell 6 on the second positioning block 7b also abut against the tape 2 and stick to the tape 2 during this process. At this time, the slide 8 can drive the blade 9 to move between the first positioning block 7a and the second positioning block 7b to cut the tape 2. While cutting the tape 2, The brush heads 10 on both sides of the blade 9 can smooth the broken tape 2 on the side of the shell 6 on the corresponding side. At this time, all sides of the shell 6 on the first positioning block 7a have been covered with the tape 2, and three sides of the shell 6 on the second positioning block 7b have been covered. After the blade 9 is retracted, the worker can remove the shell 6 on the first positioning block 7a, and then put in the next shell to carry out the next round of tape winding process. In the next round of tape winding process, the movement trajectory and tape winding action of the shell on the second positioning block 7b are the same as those of the shell 6 on the original first positioning block 7a.

[0034] The liquid expansion thermostat shell adhesive tape winding machine can realize the adhesive tape winding work with a high degree of automation, so as to achieve the effect of quickly winding the adhesive tape on the shell of the liquid expansion thermostat, thereby greatly reducing the labor intensity of workers and improving the uniformity of adhesive tape coating.

[0035] Preferably, two parallel slide rails 11 can be installed on the frame 1, and the slide 8 can be slidably connected to the slide rails 11 to improve the stability of the slide 8 when it moves. Those skilled in the art should know that without departing from the scope of the present application, the slide rails 11 can be set to any one of the linear guides commonly used in the prior art, as long as it can enable the slide 8 to move back and forth.

[0036] As a more preferred embodiment, the frame 1 is equipped with a second motor (not shown in the drawings, and can be arranged below the slide 8), the output shaft of the second motor is vertically upward and fixedly connected to a swing rod 12, the swing rod 12 is horizontally arranged and one end of which is fixedly connected to a slider 12a, and a strip-shaped slide groove 8a is correspondingly arranged at the bottom of the slide 8, the length direction of the slide groove 8a is perpendicular to the moving direction of the slide 8, and the slider 12a is clamped in the slide groove 8a and can slide along the slide groove 8a (such as Figure 3As shown in the figure, the length of the slide groove 8a is at least twice the length of the swing rod 12, the initial position of the swing rod 12 is located below the middle of the slide groove 8a and the initial state of the swing rod 12 is perpendicular to the slide groove 8a, and the slider 12a is located behind the output shaft of the second motor. When the output shaft of the second motor rotates, it can drive the swing rod 12 to swing forward in the horizontal direction and then swing backward to the initial position. Since the slide 8 is free in the direction of the slide rail 11, the thrust generated by the slider 12a on the slide 8 when the swing rod 12 swings will push the slide 8 to move forward along the slide rail 11 first and then move backward to the initial position, so that the slide 8 drives the blade 9 to move quickly to cut the tape 2 and then return to the initial position.

[0037] The slider 12a in the above embodiment can be set in the form of a roller in the slide groove 8a to improve the flexibility of the slider 12a in the slide groove 8a. Those skilled in the art should know that without departing from the scope of the present application, the second motor and the aforementioned first motor can both be selected from common servo motors. The servo motor can accurately control the angular velocity, start-stop intermittent frequency, etc. of the output shaft to meet the requirements of driving the rocker arm 12 to rotate quickly for one circle and pause or driving the turntable 5 to pause every 180 degrees in this embodiment.

[0038] It should be noted that driving the slide 8 to move by the second motor and the rocker 12 is only a preferred embodiment of the present application, because the output shaft of the second motor can make the slide 8 quickly complete a reciprocating movement within the range of one rotation, so that the cutting work of the tape 2 can be completed quickly and cleanly. However, in addition to this, without departing from the scope of the present application, those skilled in the art can still use other driving mechanisms to drive the slide 8 to reciprocate along the slide rail 11, such as connecting a cylinder to the rear end of the slide 8, and one end of the piston rod of the cylinder is fixedly connected to the rear end of the slide 8, so as to use the movement of the piston rod of the cylinder to push or pull the slide 8, which can also achieve the reciprocating movement of the slide 8.

[0039] More preferably, the blade 9 is triangular in shape and its tip is used to contact and cut the tape 2. This structure enables the tip of the blade to contact the tape 2 first, so that the force of the blade 9 can be concentrated on the tip of the blade and released to the middle of the tape 2, easily cutting a breakthrough in the tape 2, thereby avoiding the excessive squeezing force that a flat-blade knife may generate on the tape 2 at the moment of contacting the tape 2, thereby causing deformation of the tape 2.

[0040] On the basis of the above, a blade connecting block 13 can also be installed on the slide seat 8, one end of the blade connecting block 13 extends out from the slide seat 8 and is connected to the blade 9, a first strip through hole 13a is opened on the blade connecting block 13, a first fastening bolt is passed through the first strip through hole 13a, and the first fastening bolt fixes the blade connecting block 13 to the top of the slide seat 8. By loosening the first fastening bolt, the distance that the blade connecting block 13 extends from the slide seat 8 can be adjusted so that the blade 9 can smoothly cut the tape 2 and the brush heads 10 on both sides of the blade 9 can just stroke the entire side of the corresponding side of the shell 6.

[0041] The guide rod 4 in this embodiment can be set as a cylindrical structure with a smooth surface to reduce the friction between the guide rod 4 and the tape 2 to a greater extent. At the same time, two limit blocks 4a can be installed on the guide rod 4, and the spacing between the two limit blocks 4a matches the width of the tape 2, and the height of the spacing corresponds to the height of the tape 2 on the tray 3 and the height of the side of the shell 6 on each positioning block, so that the tape 2 can always be kept flush with the side of the shell 6 on each positioning block, greatly reducing the occurrence of uneven pasting.

[0042] In addition, a strip block 4b can be fixedly connected to the bottom of the guide rod 4, and a second strip through hole 4c is opened on the strip block 4b. A second fastening bolt is passed through the second strip through hole 4c. The second fastening bolt fixes the strip block 4b to the top of the frame 1. By loosening the second fastening bolt, the position of the strip block 4b in the horizontal direction can be adjusted, thereby adjusting the tension of the guide rod 4 on the tape 2.

[0043] Preferably, the first positioning block 7a and the second positioning block 7b are detachably connected to the turntable 5, and the first positioning block 7a and the second positioning block 7b are each provided with two positioning pins 7c for inserting into the corresponding mounting holes of the shell 6. The two positioning pins 7c on the same positioning block can be staggered along the diagonal direction of the positioning block to limit the relative displacement of the shell 6 on the positioning block, thereby improving the stability of the shell 6 during the rotation of the turntable 5.

[0044] In addition, in this embodiment, a brush 14 is further fixedly mounted on the frame 1. During the rotation of the turntable 5, one of the sides of the shell 6 on the first positioning block 7a or the second positioning block 7b, on which the tape 2 is affixed, can move against the brush 14, thereby improving the conformity of the tape 2 to the surface of the shell 6. The surface against which the brush 14 abuts is the outward side of the shell 6 after it is clamped on the positioning block. It will in turn abut against the shell 6 that has rotated to that position. Unlike the brush head 10, the brush head 10 moves forward to smooth the tape 2 on the inward side of the shell 6 when the shell 6 stops rotating.

[0045] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention may also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

[0046] In order to make it easier for ordinary technicians in the field to understand the improvements of the present invention over the prior art, some drawings and descriptions of the present invention have been simplified, and for the sake of clarity, some other elements are omitted in this application document. Ordinary technicians in the field should realize that these omitted elements may also constitute the content of the present invention.

Claims

1. Liquid expansion thermostat housing tape winding machine, characterized by: It comprises a frame (1) and a material guiding mechanism, a material transferring mechanism and a cutting mechanism arranged on the frame (1); The material guiding mechanism comprises a material tray (3) mounted on the frame (1) for placing the adhesive tape (2) and a guide rod (4) located on one side of the material tray (3) for tensioning the adhesive tape (2); The material transfer mechanism comprises a turntable (5) arranged on a frame (1), the turntable (5) being located on one side of the guide rod (4) and having a first motor for driving the turntable to rotate in a transmission connection at its bottom, the turntable (5) being provided with a first positioning block (7a) and a second positioning block (7b) for clamping the shell (6), the first positioning block (7a) and the second positioning block (7b) being centrally symmetrically distributed with the rotation center of the turntable (5) as the midpoint, the adhesive tape (2) being led out from the material tray (3) to the shell (6) attached to the first positioning block (7a), the first motor being able to drive the turntable (5) to rotate 180 degrees so as to swap the positions of the first positioning block (7a) and the second positioning block (7b), thereby enabling the shell (6) on the second positioning block (7b) to be attached with the adhesive tape (2); The cutting mechanism comprises a slide (8) and a blade (9) fixed on the slide (8) for cutting the adhesive tape (2); the slide (8) is located on one side of the turntable (5) and is slidably connected to the frame (1); when the turntable (5) is in a stationary state, the slide (8) can drive the blade (9) to move between the first positioning block (7a) and the second positioning block (7b) to cut the adhesive tape (2) or withdraw from between the first positioning block (7a) and the second positioning block (7b); a brush head (10) for smoothing the adhesive tape (2) on the corresponding side housing (6) is fixedly provided on each side of the blade (9); Two parallel slide rails (11) are installed on the frame (1), the slide seat (8) is slidably connected to the slide rails (11), the frame (1) is installed with a second motor, the output shaft of the second motor is vertically upward and fixedly connected to a swing rod (12), the swing rod (12) is horizontally arranged and one end of which is fixedly connected to a slider (12a), and a strip-shaped slide groove (8a) is correspondingly arranged at the bottom of the slide seat (8), and the length direction of the slide groove (8a) is parallel to the length of the slide seat (8). The moving directions are perpendicular to each other, the slider (12a) is clamped in the slide groove (8a) and can slide along the slide groove (8a), the length of the slide groove (8a) is at least twice the length of the swing rod (12), the initial position of the swing rod (12) is located below the middle of the slide groove (8a) and the initial state of the swing rod (12) is perpendicular to the slide groove (8a), and when the output shaft of the second motor rotates, it can drive the swing rod (12) to swing, thereby causing the slider (12a) to slide along the slide groove (8a), thereby The slide (8) can be driven to reciprocate along the slide rail (11); the blade (9) is triangular in shape and its tip is used to contact and cut the adhesive tape (2); a blade connecting block (13) is installed on the slide (8); one end of the blade connecting block (13) extends from the slide (8) and is connected to the blade (9); a first strip through hole (13a) is opened on the blade connecting block (13); a first fastening bolt is passed through the first strip through hole (13a); the first fastening bolt fixes the blade connecting block (13) to the top of the slide (8); by loosening the first fastening bolt, the distance that the blade connecting block (13) extends from the slide (8) can be adjusted; a brush (14) is also fixedly installed on the frame (1); during the rotation of the turntable (5), one of the sides of the housing (6) on the first positioning block (7a) or the second positioning block (7b) on which the adhesive tape (2) is attached can move against the brush (14).

2. The tape wrapping machine for the housing of a liquid expansion thermostat according to claim 1, characterized in that: The guide rod (4) is a cylindrical structure with a smooth surface.

3. The tape wrapping machine for the housing of a liquid expansion thermostat according to claim 2, characterized in that: Two limit blocks (4a) are mounted on the guide rod (4), the spacing between the two limit blocks (4a) matches the width of the adhesive tape (2), and the height of the spacing corresponds to the height of the adhesive tape (2) on the material tray (3) and the height of the side of the shell (6) on each positioning block.

4. The tape wrapping machine for the housing of a liquid expansion thermostat according to claim 3, characterized in that: A strip block (4b) is fixedly connected to the bottom of the guide rod (4), a second strip through hole (4c) is provided on the strip block (4b), a second fastening bolt is passed through the second strip through hole (4c), and the second fastening bolt fixes the strip block (4b) to the top of the frame (1); by loosening the second fastening bolt, the position of the strip block (4b) in the horizontal direction can be adjusted, thereby adjusting the tension of the guide rod (4) on the adhesive tape (2).

5. The tape wrapping machine for the housing of a liquid expansion thermostat according to claim 1, characterized in that: The first positioning block (7a) and the second positioning block (7b) are detachably connected to the turntable (5), and the first positioning block (7a) and the second positioning block (7b) are each provided with two positioning pins (7c) for inserting into corresponding mounting holes of the housing (6).

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