A stirring device for processing thiophanate-methyl suspension agent and a stirring method thereof

Abstract

The application discloses a kind of thiophanate-methyl suspending agent processing stirring device and its stirring method, it is related to thiophanate-methyl suspending agent stirring technical field, to solve the problem that existing suspending agent stirring mechanism cannot carry out different stirring operation, and different dosages and materials cannot be controlled test in stirring process.The upper portion of the stirring mechanism body is provided with a pre-stirring box, a treatment box is arranged below the pre-stirring box, a rotating discharging mechanism is arranged on one side of the treatment box, a cleaning conveying mechanism is arranged below the rotating discharging mechanism, and a suspending agent discharge mechanism is arranged on the other side of the treatment box;It also includes: a turnover stirring mechanism is arranged at the middle position inside the treatment box, and a plurality of turnover stirring mechanisms are arranged, one end of the turnover stirring mechanism is provided with a turnover motor, an output end of the turnover motor is provided with a turnover disc, and a sliding limit clamp is arranged on the outer wall of the turnover disc.

Description

TECHNICAL FIELD

[0001] The application relates to a stirring device for thiophanate-methyl suspension agent and a stirring method thereof. BACKGROUND

[0002] In the preparation and processing of thiophanate-methyl suspension agent, a stirring device is needed to mix different stirring materials with media.

[0003] For example, application No. CN202120270929.1 discloses a low-temperature stirring device for pesticide suspension agent processing, which comprises a box body, stirring blades and a water spraying head. The first motor is fixedly connected to the middle position of the inner side of the lower end of the box body, the main shaft of the first motor is fixedly connected to the electric control lifting shaft, the electric control lifting shaft is fixedly connected to the connecting fixed shaft, the connecting fixed shaft is fixedly connected to the second motor, and the main shaft of the second motor is fixedly connected to the first rotating shaft. The electric control lifting shaft, the positioning shaft and the connecting shaft are arranged, so that the stirring blades in the stirring mechanism of the pesticide suspension agent low-temperature stirring device have the moving stirring function, the stirring range of the stirring blades in the stirring mechanism is increased, the stirring position of the stirring blades in the stirring mechanism is automatically sensed and adjusted, the material stirring speed in the stirring box is greatly improved, the practicality is good, and the device is suitable for popularization and use.

[0004] The existing suspension agent stirring mechanism cannot perform different stirring operations, and cannot perform a contrast test by adding different dosages of materials during the stirring process. Therefore, the application provides a stirring device for thiophanate-methyl suspension agent processing and a stirring method thereof. SUMMARY

[0005] The application aims to provide a stirring device for thiophanate-methyl suspension agent processing and a stirring method thereof, so as to solve the problem that the existing suspension agent stirring mechanism cannot perform different stirring operations and cannot perform a contrast test by adding different dosages of materials during the stirring process.

[0006] To achieve the above-mentioned purpose, the application provides the following technical scheme: a stirring device for thiophanate-methyl suspension agent processing, comprising a stirring mechanism body, a pre-stirring box arranged above the stirring mechanism body, a treatment box arranged below the pre-stirring box, a rotating discharging mechanism arranged on one side of the treatment box, a cleaning conveying mechanism arranged below the rotating discharging mechanism, and a suspension agent discharging mechanism arranged on the other side of the treatment box.

[0007] Further comprising:

[0008] The turnover stirring mechanism is arranged at the middle position inside the processing box, and is provided with a plurality of turnover stirring mechanisms, one end of the turnover stirring mechanism is provided with a turnover motor, the output end of the turnover motor is provided with a turnover disc, the outer wall of the turnover disc is provided with a sliding limiting clamp, the inner wall of the sliding limiting clamp is provided with a pressure sensitive sheet, a first container is arranged between adjacent sliding limiting clamps, and one end of the first container is provided with an electric cover.

[0009] The mobile hopper is arranged above the turnover stirring mechanism, and the lower end of the mobile hopper is provided with an electric discharging port.

[0010] The turnover moving block is arranged below the turnover stirring mechanism, and one end of the turnover moving block is provided with an electric clamping piece.

[0011] The ultrasonic dispersion machine is arranged below the turnover moving block, the inside of the ultrasonic dispersion machine is provided with a second container, and the second container is provided with a plurality of second containers.

[0012] Preferably, the rear end of the mobile hopper is provided with a first ball screw, the rear end of the turnover moving block is provided with a second ball screw, and one end of the first ball screw and the second ball screw is provided with a screw motor.

[0013] Preferably, the rotary discharging mechanism is provided with an external motor near the lower position, the output end of the external motor is provided with a transmission rod, the upper end of the transmission rod is provided with a circular rotary disc, and the external motor is in transmission connection with the circular rotary disc through the transmission rod, the upper side of the circular rotary disc is provided with a storage cylinder, and the storage cylinder is provided with a plurality of storage cylinders, the rotary discharging mechanism is provided with an electric discharging channel near one side of the processing box, and the outer wall above the rotary discharging mechanism is provided with a feeding port.

[0014] Preferably, the pre-stirring box is provided with a pre-stirring motor at the middle position of the upper end, the output end of the pre-stirring motor is provided with a stirring rod, the outer wall of the stirring rod is provided with stirring blades, and the pre-stirring motor is in transmission connection with the stirring blades through the stirring rod.

[0015] Preferably, the pre-stirring box and the processing box are provided with a stirring discharging port.

[0016] Preferably, the suspension agent discharging mechanism is provided with a discharging inlet on the upper surface of one end close to the processing box, and is provided with a communication port on the lower surface of the end away from the processing box.

[0017] Preferably, an inclined plate is arranged between the suspension agent discharging mechanism and the communication port.

[0018] Preferably, a receiving container is arranged below the communication port, and a conveying guide rail is arranged below the receiving container.

[0019] Preferably, the other end of the turnover moving block is provided with a cleaning sprayer.

[0020] Preferably, a stirring method of a stirring device for processing thiophanate-methyl suspension agent comprises the following steps:

[0021] Step one: add the required medium of the suspension agent into the pre-stirring box, use the pre-stirring motor to drive the stirring rod and stirring blade to rotate mechanically, so that the inside is stirred and mixed, after a certain time of stirring and mixing, the mixture is discharged from the stirring discharge port;

[0022] Step two: the lead screw motor and the first ball screw drive the movable hopper to move to the position below the stirring discharge port to receive the mixture, after receiving the mixture, move the movable hopper to the position above the first container, open the electric cover and the electric discharge port, and then drop the mixture into different first containers, use the turnover motor to drive the turnover disc to rotate, and the sliding limit clamp limits and fixes the first container, then close the electric cover and drive it to rotate, so that the mixture inside is stirred and mixed again;

[0023] Step three: the lead screw motor and the second ball screw drive the turnover moving block to move to the position below the first container, use the electric clamping piece to clamp the first container, loosen the sliding limit clamp, so that the turnover moving block below moves the first container to the electric discharge channel of the rotary discharge mechanism for secondary feeding, and then sends the first container to the turnover stirring mechanism for stirring and mixing again;

[0024] Step four: use the external motor and transmission rod at the rotary discharge mechanism to drive the circular rotating disc to rotate, so that the storage barrels storing different materials can be rotated to the electric discharge channel for waiting for discharge, so that the first container can be mixed again on the basis of pre-mixing, and different materials or different dosages can be added to the first container, so that the mixtures in different first containers change correspondingly, achieving the effect of contrast, or directly adding the same kind of materials with consistent dosages for production and processing;

[0025] Step five: after the stirring above is completed, rotate the clamped first container and pour it into the second container, the mixtures in different first containers can be poured into the same second container for secondary mixing, or the mixtures in different first containers can be poured into different second containers, and then open the ultrasonic dispersing machine to perform ultrasonic dispersion operation on the mixtures;

[0026] Step six: after the dispersion is completed, clamp the second container and pour it into the suspension agent discharge mechanism, so that it flows into the receiving container in sequence, and then is sent out through the conveying guide rail, the empty second container is sent into the cleaning conveying mechanism for cleaning, or the second container is sprayed and cleaned by the cleaning sprayer, and then the water inside the second container is poured into the cleaning conveying mechanism for discharge.

[0027] Compared with the prior art, the present application has the following advantages:

[0028] 1、The present application can realize different stirring operations by the pre-treatment of the pre-stirring box, the effect of fixed-point feeding by the movable hopper, the secondary stirring by the overturning stirring mechanism, the detection of the clamping object by the pressure sensing sheet, the transmission of the pressure signal to the external control end, the control of the control end to clamp the object by the lower clamping part, the rotation of the feeding mechanism to add different doses or different formulas of materials, the movement of the overturning moving block, the direct movement to the ultrasonic dispersion machine, the automatic discharge and conveying of the suspending agent discharge mechanism, the replacement and cleaning of the internal vessels by the cleaning conveying mechanism, and the automatic stirring process, the automatic feeding and adding process, and the use of the equipment in the production line.

[0029] 2、The outer wall above the rotating feeding mechanism is provided with a feeding port, and the external motor drives the transmission rod and the circular rotating disc to rotate, so that the position of the storage cylinder at the circular rotating disc can be changed, thereby realizing the adding operation of different materials in cooperation with the electric feeding channel. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0031] Figure 2 It is a schematic diagram of the internal structure of the processing box and the pre-stirring box of the present application.

[0032] Figure 3 It is a schematic diagram of the local structure of the overturning stirring mechanism of the present application.

[0033] Figure 4 It is a schematic diagram of the local structure of the rotating feeding mechanism of the present application.

[0034] Figure 5 It is a schematic diagram of the local structure of the suspending agent discharge mechanism of the present application.

[0035] In the figure: 1, stirring mechanism body; 2, pre-stirring box; 3, processing box; 4, rotating discharging mechanism; 5, suspension agent discharging mechanism; 6, cleaning conveying mechanism; 7, screw motor; 8, first ball screw; 9, movable hopper; 10, electric discharging opening; 11, overturning stirring mechanism; 12, overturning motor; 13, overturning disc; 14, sliding limit clamp; 15, pressure sensing sheet; 16, first vessel; 17, electric cover; 18, second ball screw; 19, overturning moving block; 20, electric clamping piece; 21, cleaning sprayer; 22, ultrasonic dispersion machine; 23, second vessel; 24, external motor; 25, transmission rod; 26, circular rotating disc; 27, storage cylinder; 28, electric discharging channel; 29, feeding opening; 30, discharging inlet; 31, inclined plate; 32, communication port; 33, conveying guide rail; 34, receiving container; 35, pre-stirring motor; 36, stirring rod; 37, stirring blade; 38, stirring discharging opening. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments.

[0037] Please refer to Figures 1-5 An embodiment provided by the present application: a stirring device for processing thiophanate-methyl suspension agent, comprising a stirring mechanism body 1, a pre-stirring box 2 is arranged above the stirring mechanism body 1, a processing box 3 is arranged below the pre-stirring box 2, a rotating discharging mechanism 4 is arranged on one side of the processing box 3, a cleaning conveying mechanism 6 is arranged below the rotating discharging mechanism 4, and a suspension agent discharging mechanism 5 is arranged on the other side of the processing box 3.

[0038] Further comprising:

[0039] The overturning stirring mechanism 11 is arranged at the middle position inside the processing box 3, and a plurality of overturning stirring mechanisms 11 are arranged, one end of the overturning stirring mechanism 11 is provided with an overturning motor 12, the output end of the overturning motor 12 is provided with an overturning disc 13, the outer wall of the overturning disc 13 is provided with a sliding limit clamp 14, the inner wall of the sliding limit clamp 14 is provided with a pressure sensing sheet 15, a first vessel 16 is arranged between adjacent sliding limit clamps 14, and one end of the first vessel 16 is provided with an electric cover 17.

[0040] The movable hopper 9 is arranged above the overturning stirring mechanism 11, and the lower end of the movable hopper 9 is provided with an electric discharging opening 10.

[0041] The overturning moving block 19 is arranged below the overturning stirring mechanism 11, and one end of the overturning moving block 19 is provided with an electric clamping piece 20.

[0042] An ultrasonic disperser 22 is disposed below the flipping moving block 19. The ultrasonic disperser 22 has a second container 23 inside, and multiple second containers 23 are disposed.

[0043] Please see Figure 1 , Figure 2 The rear end of the movable hopper 9 is provided with a first ball screw 8, and the rear end of the tilting movable block 19 is provided with a second ball screw 18. One end of the first ball screw 8 and the second ball screw 18 is provided with a screw motor 7. The screw motor 7 is used in conjunction with the ball screw. The first ball screw 8 drives the movable hopper 9 to move, and the second ball screw 18 drives the tilting movable block 19 to move.

[0044] Please see Figure 4 An external motor 24 is installed near the bottom of the rotating feeding mechanism 4. A transmission rod 25 is installed at the output end of the external motor 24. A circular rotating disk 26 is installed at the upper end of the transmission rod 25. The external motor 24 is connected to the circular rotating disk 26 through the transmission rod 25. A storage cylinder 27 is installed above the circular rotating disk 26, and multiple storage cylinders 27 are provided. An electric feeding channel 28 is provided on the side of the rotating feeding mechanism 4 near the processing box 3. A feeding port 29 is provided on the outer wall above the rotating feeding mechanism 4. The external motor 24 drives the transmission rod 25 and the circular rotating disk 26 to rotate, so that the position of the storage cylinder 27 at the circular rotating disk 26 can be changed, thereby enabling the addition of different materials in conjunction with the electric feeding channel 28.

[0045] Please see Figure 2 A pre-mixing motor 35 is installed at the middle position of the upper end of the pre-mixing tank 2. A mixing rod 36 is installed at the output end of the pre-mixing motor 35. A mixing blade 37 is installed on the outer wall of the mixing rod 36. The pre-mixing motor 35 is connected to the mixing blade 37 through the mixing rod 36. The pre-mixing motor 35 drives the mixing rod 36 and the mixing blade 37 to mix.

[0046] Please see Figure 2 A mixing and feeding port 38 is provided between the pre-mixing tank 2 and the processing tank 3. The mixing and feeding port 38 is used to control the feeding.

[0047] Please see Figure 5 The upper surface of the suspension discharge mechanism 5 near the treatment tank 3 is provided with a discharge inlet 30, and the lower surface of the suspension discharge mechanism 5 away from the treatment tank 3 is provided with a connecting port 32. The discharge inlet 30 serves to allow the suspension to enter, and the connecting port 32 serves to connect.

[0048] Please see Figure 5, the inclined plate 31 is arranged between the adjacent suspending agent discharging mechanism 5 and the communication port 32, and the inclined plate 31 has the effect of making the suspending agent inclined and discharged.

[0049] Please refer to Figure 5 , the communication port 32 is arranged below the receiving container 34, the receiving container 34 is arranged below the conveying guide rail 33, the receiving container 34 has the effect of receiving, and the conveying guide rail 33 has the effect of conveying and moving.

[0050] Please refer to Figure 2 , the other end of the turnover moving block 19 is arranged with the cleaning sprayer 21, and the cleaning sprayer 21 has the effect of cleaning and spraying.

[0051] Please refer to Figures 1-5 A stirring method of the stirring device for processing thiophanate-methyl suspending agent comprises the following steps:

[0052] Step one: the medium required by the suspending agent is added into the pre-stirring box 2, the pre-stirring motor 35 drives the stirring rod 36 and the stirring blade 37 to rotate mechanically, so that the inside is stirred and mixed, and after a certain time of stirring and mixing, the mixture is discharged downward from the stirring discharge port 38;

[0053] Step two: the lead screw motor 7 and the first ball screw 8 drive the movable hopper 9 to move in advance to the position below the stirring discharge port 38 to receive the mixture, after the receiving is completed, the movable hopper 9 is driven to move to the position above the first container 16, the electric cover 17 and the electric discharge port 10 are opened, the mixture is dropped into different first containers 16, the turnover motor 12 drives the turnover disc 13 to rotate, the sliding limit clamp 14 has the effect of limiting and fixing the first container 16, the electric cover 17 is closed and driven to rotate, so that the mixture inside is stirred and mixed again;

[0054] Step three: the lead screw motor 7 and the second ball screw 18 drive the turnover moving block 19 to move to the position below the first container 16, the electric clamping piece 20 clamps the first container 16, the sliding limit clamp 14 releases the first container 16, so that the turnover moving block 19 below drives the first container 16 to move to the electric discharge channel 28 of the rotary discharging mechanism 4 to be secondarily charged, and the first container 16 is sent to the turnover stirring mechanism 11 again to be stirred and mixed again;

[0055] Step four: the rotary discharging mechanism 4 drives the circular rotating disc 26 to rotate by the external motor 24 and the transmission rod 25, so that the material storage cylinder 27 storing different materials can be rotated to the electric discharge channel 28 to wait for discharging, the first container 16 can be secondarily charged and mixed on the basis of the pre-mixing, different materials or different dosages can be added into the first container 16, the mixture in different first containers 16 can be changed correspondingly to achieve the effect of comparison, or the same kind of materials with consistent dosages can be directly added for production and processing.

[0056] Step five: after the stirring of the upper part is finished, the first container 16 is clamped and rotated, and is poured into the second container 23. The mixtures in different first containers 16 can be poured into the same second container 23 for secondary mixing, or the mixtures in different first containers 16 can be poured into different second containers 23, and the ultrasonic dispersion machine 22 is started to perform ultrasonic dispersion operation on the mixtures;

[0057] Step six: after the dispersion is finished, the second container 23 is clamped and poured into the suspension agent discharging mechanism 5, and is sequentially poured into the receiving container 34 and is sent out through the conveying guide rail 33. The empty second container 23 is sent into the cleaning conveying mechanism 6 for cleaning and sending out, or is sprayed and cleaned by the cleaning sprayer 21. After the spraying and cleaning, the water in the second container 23 is poured into the cleaning conveying mechanism 6 for discharging.

[0058] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, and the scope of the present application should be defined by the appended claims rather than the above description, and it is intended that all changes that come within the meaning and range of equivalency of the claims are embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

Claims

1. A kind of thiophanate-methyl suspension agent processing stirring device, including stirring mechanism body (1), the upper of stirring mechanism body (1) is provided with pre-stirring box (2), the lower of pre-stirring box (2) is provided with processing box (3), one side of processing box (3) is provided with rotary discharging mechanism (4), the lower of rotary discharging mechanism (4) is provided with cleaning conveying mechanism (6), the other side of processing box (3) is provided with suspension agent discharge mechanism (5); characterized in that Also includes: Turnover stirring mechanism (11) is arranged at the intermediate position inside processing box (3), and it is provided with multiple, one end of turnover stirring mechanism (11) is provided with turnover motor (12), the output end of turnover motor (12) is provided with turnover disc (13), the outer wall of turnover disc (13) is provided with sliding limit clamp (14), the inner wall of sliding limit clamp (14) is provided with pressure sensitive sheet (15), first utensil (16) is arranged between adjacent sliding limit clamp (14), one end of first utensil (16) is provided with electric cover (17); Mobile hopper (9) is arranged above turnover stirring mechanism (11), and the lower end of mobile hopper (9) is provided with electric discharge port (10); Turnover moving block (19) is arranged below turnover stirring mechanism (11), one end of turnover moving block (19) is provided with electric clamp (20); Ultrasonic disperser (22) is arranged below turnover moving block (19), the inside of ultrasonic disperser (22) is provided with second utensil (23), and second utensil (23) is provided with multiple.

2. The stirring device for processing thiophanate-methyl suspension agent according to claim 1, characterized in that: The rear end of mobile hopper (9) is provided with first ball screw (8), the rear end of turnover moving block (19) is provided with second ball screw (18), and one end of first ball screw (8) and second ball screw (18) is provided with screw motor (7).

3. The stirring device for processing thiophanate-methyl suspending agent according to claim 2, characterized in that: The position close to the lower of rotary discharging mechanism (4) is provided with external motor (24), the output end of external motor (24) is provided with transmission rod (25), the upper end of transmission rod (25) is provided with circular rotary disc (26), and external motor (24) is drivenly connected with circular rotary disc (26) through transmission rod (25), the upper of circular rotary disc (26) is provided with storage cylinder (27), and storage cylinder (27) is provided with multiple, one side of rotary discharging mechanism (4) close to processing box (3) is provided with electric discharging channel (28), and the outer wall above rotary discharging mechanism (4) is provided with feeding port (29).

4. The stirring device for processing thiabendazole suspending agent according to claim 3, characterized in that: The intermediate position of upper end of pre-stirring box (2) is provided with pre-stirring motor (35), the output end of pre-stirring motor (35) is provided with stirring rod (36), the outer wall of stirring rod (36) is provided with stirring blade (37), and pre-stirring motor (35) is drivenly connected with stirring blade (37) through stirring rod (36).

5. The stirring device for processing thiabendazole suspending agent according to claim 4, characterized in that: Stirring discharge port (38) is arranged between pre-stirring box (2) and processing box (3).

6. The stirring device for processing thiabendazole suspending agent according to claim 5, characterized in that: The suspension agent discharging mechanism (5) is provided with a discharging inlet (30) on the upper surface close to one end of the processing box (3), and is provided with a communication port (32) on the lower surface away from one end of the processing box (3).

7. The stirring device for processing thiabendazole suspending agent according to claim 6, characterized in that: An inclined plate (31) is arranged between the suspension agent discharging mechanism (5) and the communication port (32).

8. The stirring device for processing thiabendazole suspending agent according to claim 7, characterized in that: A receiving container (34) is arranged below the communication port (32), and a conveying guide rail (33) is arranged below the receiving container (34).

9. The stirring device for processing thiabendazole suspending agent according to claim 8, characterized in that: The other end of the overturning moving block (19) is provided with a cleaning sprayer (21).

10. A stirring method of a stirring device for processing thiabendazole suspension, realized based on the stirring device for processing thiabendazole suspension according to claim 9, characterized in that, The method comprises the following steps: Step one: Add the required medium of the suspension agent into the pre-stirring box (2), drive the stirring rod (36) and stirring blade (37) to rotate mechanically by the pre-stirring motor (35), so that the inside is stirred and mixed, after a certain time of stirring and mixing, the mixture is discharged from the stirring discharge port (38); Step two: The lead screw motor (7) and the first ball screw (8) drive the moving hopper (9) to move to the lower side of the stirring discharge port (38) to receive the material, after receiving the material, drive it to move to the upper side of the first container (16), open the electric cover (17) and the electric discharge port (10), and pour the mixture into different first containers (16), drive the overturning disc (13) to rotate by the overturning motor (12), the sliding limit clamp (14) limits and fixes the first container (16), closes the electric cover (17), and drives it to rotate, so that the internal mixture is stirred and mixed again; Step three: The lead screw motor (7) and the second ball screw (18) drive the overturning moving block (19) to move to the lower side of the first container (16), clamp the first container (16) by the electric clamping piece (20), loosen the first container (16) by the sliding limit clamp (14), and move the first container (16) to the electric discharge channel (28) of the rotating discharge mechanism (4) for secondary feeding, and send it to the overturning stirring mechanism (11) again for stirring and mixing again; Step four: The rotating discharge mechanism (4) drives the circular rotating disc (26) to rotate by the external motor (24) and the transmission rod (25), so that the storage cylinder (27) storing different materials can be rotated to the electric discharge channel (28) for waiting for discharge, so that the first container (16) can be mixed again on the basis of pre-mixing, and different materials or different doses can be added to the first container (16), so that the mixtures in different first containers (16) change correspondingly, achieving the effect of control, or directly adding the same kind of materials with consistent dose for production and processing; Step five: After the upper stirring is completed, clamp the first container (16) to rotate, pour it into the second container (23), pour the mixtures in different first containers (16) into the same second container (23) for secondary mixing, or pour the mixtures in different first containers (16) into different second containers (23), and open the ultrasonic dispersion machine (22) to perform ultrasonic dispersion operation on the mixture. Step six: after the dispersion is finished, the second vessel (23) is clamped and poured into the suspension agent discharge mechanism (5), and is sequentially poured into the receiving container (34) and is sent out through the conveying rail (33). The empty second vessel (23) is sent into the cleaning conveying mechanism (6) for cleaning and sending out, or is sprayed and cleaned by the cleaning sprayer (21). After the spraying and cleaning, the water inside the second vessel (23) is poured into the cleaning conveying mechanism (6) for discharging.

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