Full-automatic buffer solution preparation device

Abstract

The utility model relates to the technical field of buffer solutions, and discloses a full-automatic buffer solution preparation device which comprises a mixing cylinder, a motor is installed at the upper end of the mixing cylinder, an output shaft of the motor is fixedly connected with a rotating shaft, the rotating shaft penetrates through the upper end of the mixing cylinder and extends into the mixing cylinder, and a first bevel gear is fixedly connected to the outer wall above the rotating shaft. A motor drives a rotating shaft to rotate, the rotating shaft can drive a first bevel gear and two sets of stirring blades to rotate, the stirring blades can play a role in mixing raw materials, the first bevel gear can drive a third bevel gear to rotate when rotating, and the third bevel gear can drive a second bevel gear to rotate; under the cooperation of the bearing, the second bevel gear and the first bevel gear can rotate in different directions, and the second bevel gear can drive the overturning blade to rotate during rotation, so that the stirring blade and the overturning blade rotate and mix raw materials in different directions, and the preparation efficiency of the buffer solution is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of buffer solutions, in particular to a fully automatic buffer solution preparation device. Background Art

[0002] A buffer solution refers to a mixed solution composed of a weak acid and its salt, a weak base and its salt. It can offset and reduce the effect of an external strong acid or strong base on the pH of the solution to a certain extent, thereby keeping the pH value of the solution relatively stable. In analytical tests, many reactions such as complexometric titration and spectrophotometry require that the pH value of the solution be maintained within a range to ensure the color change of the indicator and the color development of the color developer. These conditions are achieved by adding a certain amount of buffer solution, so a buffer solution is a reagent often required in analytical tests.

[0003] The patent document with the authorized announcement number CN208082251U discloses a buffer solution preparation device, which belongs to the field of experimental instruments and is used to solve the problem of slow efficiency of existing buffer solution preparation. The device comprises a first burette, a second burette, a preparation bottle, a first reagent bottle, a second reagent bottle, a pH meter electrode and a bracket. A left connecting pipe and a right connecting pipe are provided on the side wall of the preparation bottle, the other end of the left connecting pipe is connected to the bottom of the side wall of the first reagent bottle, and the other end of the right connecting pipe is connected to the bottom of the side wall of the second reagent bottle; a left valve and a left flow meter are provided on the left connecting pipe, and a right valve and a right flow meter are provided on the right connecting pipe. The bottoms of the first reagent bottle and the second reagent bottle are both higher than the left connecting port and the right connecting port of the preparation bottle; the preparation bottle is provided with three bottle openings, namely a first bottle opening, a second bottle opening and a third bottle opening, an outlet and an outlet valve are provided at the bottom of the side wall of the preparation bottle, and the first burette, the second burette and the pH meter electrode are all fixed on the bracket.

[0004] When the above device is implemented, when preparing the buffer solution, it is necessary to wait for different raw materials to react with each other, thereby removing the preparation effect on the buffer solution, and the mixing speed is slow, and the buffer solution preparation efficiency is low. Utility Model Content

[0005] The utility model aims to provide a fully automatic buffer solution preparation device, which solves the problems that when the above devices are implemented, when preparing the buffer solution, different raw materials need to react with each other, thereby removing the preparation effect of the buffer solution, and the mixing speed is slow, resulting in low buffer solution preparation efficiency.

[0006] An embodiment of the present application provides a fully automatic buffer solution preparation device, including a mixing cylinder, wherein a motor is installed at the upper end of the mixing cylinder, and the output shaft of the motor is fixedly connected to a rotating shaft, and the rotating shaft passes through the upper end of the mixing cylinder and extends to the interior of the mixing cylinder, and an outer wall above the rotating shaft is fixedly connected to a first bevel gear, and an outer wall of the rotating shaft located below the first bevel gear is fixedly installed with a bearing, and an outer ring wall of the bearing is installed with a second bevel gear, and an inner top wall of the mixing cylinder is installed with a fixed plate, and a third bevel gear is rotatably installed on one side of the fixed plate, and the third bevel gear is meshed with the first bevel gear and the second bevel gear, and two sets of stirring blades are fixedly connected to the outer wall of the rotating shaft, and two flip blades are fixedly connected to the lower end of the second bevel gear.

[0007] By adopting the above technical solution, the motor drives the rotating shaft to rotate, and the rotating shaft can drive the first bevel gear and two sets of stirring blades to rotate, and the stirring blades can mix the raw materials, and the first bevel gear can drive the third bevel gear to rotate when rotating, and the third bevel gear can drive the second bevel gear to rotate. With the cooperation of the bearing, the second bevel gear and the first bevel gear can rotate in different directions, and the second bevel gear can drive the flip blades to rotate when rotating, so that the stirring blades and the flip blades can rotate and mix the raw materials in different directions, thereby accelerating the efficiency of preparing the buffer solution.

[0008] Optionally, a protective shell is installed on the outer wall of the mixing cylinder, and a plurality of groups of heating rods are installed on the outer wall of the mixing cylinder located inside the protective shell.

[0009] By adopting the above technical solution, the interior of the mixing cylinder can be heated by the heating rod, thereby enhancing the mixing of the buffer solution.

[0010] Optionally, a temperature sensor is installed on the outer wall of the mixing barrel, and the sensing end of the temperature sensor extends to the interior of the mixing barrel.

[0011] By adopting the above technical solution, the temperature inside the mixing barrel can be monitored by the temperature sensor.

[0012] Optionally, a discharge pipe is fixedly connected to the lower end of the mixing cylinder, and a discharge valve is installed inside the discharge pipe.

[0013] By adopting the above technical solution, the discharge pipe can be closed and opened through the discharge valve, and the discharge pipe can discharge the buffer solution.

[0014] Optionally, a fixing ring is fixedly connected to the outer wall of the mixing cylinder, and a plurality of groups of supporting legs are fixedly connected to the lower end of the fixing ring.

[0015] By adopting the above technical solution, the fixing ring can be fixed by the mixing barrel, and the supporting feet can support the fixing ring.

[0016] Optionally, a plurality of injection tubes are fixedly mounted on the upper end of the mixing cylinder, and the plurality of injection tubes are arranged in a linear array.

[0017] By adopting the above technical solution, the raw materials can be injected into the mixing cylinder through the injection pipe.

[0018] Optionally, solenoid valves are respectively installed inside the multiple groups of injection pipes.

[0019] By adopting the above technical solution, the injection pipe can be automatically closed and opened through the solenoid valve.

[0020] Optionally, the first bevel gear, the second bevel gear and the third bevel gear are made of stainless steel.

[0021] By adopting the above technical solution, the first bevel gear, the second bevel gear and the third bevel gear are made of stainless steel, so that the corrosion resistance of the first bevel gear, the second bevel gear and the third bevel gear can be enhanced.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The technical solution of the present application drives the rotating shaft to rotate through a motor, and the rotating shaft can drive the first bevel gear and two sets of stirring blades to rotate, and the stirring blades can mix the raw materials, and when the first bevel gear rotates, it can drive the third bevel gear to rotate, and the third bevel gear can drive the second bevel gear to rotate. With the cooperation of the bearing, the second bevel gear and the first bevel gear can be rotated in different directions, and when the second bevel gear rotates, it can drive the flipping blades to rotate, so that the stirring blades and the flipping blades can rotate and mix the raw materials in different directions, thereby accelerating the efficiency of preparing the buffer solution. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 It is a front view schematic diagram of a fully automatic buffer solution preparation device of the utility model;

[0026] Figure 2 This is a schematic diagram of a front view of a fully automatic buffer solution preparation device of the utility model;

[0027] Figure 3 It is a front view schematic diagram of the rotating shaft of a fully automatic buffer solution preparation device of the utility model;

[0028] Figure 4 It is a front view schematic diagram of the second bevel gear of the fully automatic buffer solution preparation device of the utility model.

[0029] In the figure: 1. mixing cylinder; 2. motor; 3. rotating shaft; 4. stirring blade; 5. first bevel gear; 6. bearing; 7. second bevel gear; 8. fixing plate; 9. third bevel gear; 10. flip blade; 11. injection pipe; 12. solenoid valve; 13. protective shell; 14. heating rod; 15. temperature sensor; 16. fixing ring; 17. support foot; 18. discharge pipe; 19. discharge valve. DETAILED DESCRIPTION

[0030] See also Figure 1-4 The utility model provides a technical solution: a fully automatic buffer solution preparation device, comprising a mixing drum 1, a motor 2 is installed on the upper end of the mixing drum 1, the output shaft of the motor 2 is fixedly connected to a rotating shaft 3, the rotating shaft 3 passes through the upper end of the mixing drum 1 and extends to the inside of the mixing drum 1, a first bevel gear 5 is fixedly connected to the outer wall above the rotating shaft 3, a bearing 6 is fixedly installed on the outer wall of the rotating shaft 3 below the first bevel gear 5, a second bevel gear 7 is installed on the outer ring wall of the bearing 6, a fixing plate 8 is installed on the inner top wall of the mixing drum 1, a third bevel gear 9 is rotatably installed on one side of the fixing plate 8, the third bevel gear 9 is meshed with the first bevel gear 5 and the second bevel gear 7, two sets of stirring blades 4 are fixedly connected to the outer wall of the rotating shaft 3, two flip blades 10 are fixedly connected to the lower end of the second bevel gear 7, and the first bevel gear 5, the second bevel gear 7 and the third bevel gear 9 are made of stainless steel.

[0031] In the technical solution of the utility model, the rotating shaft 3 is driven to rotate by the motor 2, and the rotating shaft 3 can drive the first bevel gear 5 and two sets of stirring blades 4 to rotate, and the stirring blades 4 can mix the raw materials, and the first bevel gear 5 can drive the third bevel gear 9 to rotate when rotating, and the third bevel gear 9 can drive the second bevel gear 7 to rotate. With the cooperation of the bearing 6, the second bevel gear 7 and the first bevel gear 5 can rotate in different directions, and the second bevel gear 7 can drive the flip blades 10 to rotate when rotating, so that the stirring blades 4 and the flip blades 10 can rotate and mix the raw materials in different directions, thereby accelerating the efficiency of preparing the buffer solution.

[0032] In addition, by making the first bevel gear 5 , the second bevel gear 7 and the third bevel gear 9 from stainless steel, the corrosion resistance of the first bevel gear 5 , the second bevel gear 7 and the third bevel gear 9 can be enhanced.

[0033] In the technical solution of the utility model, if Figure 1 and Figure 2As shown, a plurality of injection tubes 11 are fixedly installed on the upper end of the mixing barrel 1, and the plurality of injection tubes 11 are arranged in a linear array, through which raw materials can be injected into the interior of the mixing barrel 1, and electromagnetic valves 12 are respectively installed inside the plurality of injection tubes 11, through which the injection tubes 11 can be automatically closed and opened.

[0034] In the technical solution of the utility model, if Figure 1 and Figure 2 As shown, a protective shell 13 is installed on the outer wall of the mixing barrel 1, and multiple groups of heating rods 14 are installed on the outer wall of the mixing barrel 1 located inside the protective shell 13. The heating rods 14 can heat the inside of the mixing barrel 1 to enhance the mixing of the buffer solution. A temperature sensor 15 is installed on the outer wall of the mixing barrel 1. The sensing end of the temperature sensor 15 extends to the inside of the mixing barrel 1. The temperature inside the mixing barrel 1 can be monitored by the temperature sensor 15.

[0035] In the technical solution of the utility model, if Figure 1 and Figure 2 As shown, a discharge pipe 18 is fixedly connected to the lower end of the mixing barrel 1, and a discharge valve 19 is installed inside the discharge pipe 18. The discharge valve 19 can be used to close and open the discharge pipe 18, and the discharge pipe 18 can discharge the buffer solution. A fixing ring 16 is fixedly connected to the outer wall of the mixing barrel 1, and a plurality of sets of supporting legs 17 are fixedly connected to the lower end of the fixing ring 16. The fixing ring 16 can be fixed by the mixing barrel 1, and the supporting legs 17 can support the fixing ring 16.

[0036] When in use, firstly, the heating rod 14 can be used to heat the inside of the mixing barrel 1 to enhance the mixing of the buffer solution, and the temperature sensor 15 can monitor the temperature inside the mixing barrel 1, and the motor 2 can drive the rotating shaft 3 to rotate, and the rotating shaft 3 can drive the first bevel gear 5 and two sets of stirring blades 4 to rotate, and the stirring blades 4 can mix the raw materials, and the first bevel gear 5 can drive the third bevel gear 9 to rotate when rotating, and the third bevel gear 9 can drive the second bevel gear 7 to rotate, and with the cooperation of the bearing 6, the second bevel gear 7 and the first bevel gear 5 can rotate in different directions, and the second bevel gear 7 can drive the flip blade 10 to rotate when rotating, so that the stirring blade 4 and the flip blade 10 can rotate and mix the raw materials in different directions, thereby accelerating the efficiency of buffer solution preparation, thereby automatically mixing and preparing the buffer solution.

Claims

1. A fully automatic buffer solution preparation device, characterized in that: The invention comprises a mixing drum (1), wherein a motor (2) is mounted on the upper end of the mixing drum (1), an output shaft of the motor (2) is fixedly connected to a rotating shaft (3), the rotating shaft (3) passes through the upper end of the mixing drum (1) and extends to the interior of the mixing drum (1), a first bevel gear (5) is fixedly connected to the outer wall above the rotating shaft (3), a bearing (6) is fixedly mounted on the outer wall of the rotating shaft (3) below the first bevel gear (5), a second bevel gear (7) is mounted on the outer ring wall of the bearing (6), a fixing plate (8) is mounted on the inner top wall of the mixing drum (1), a third bevel gear (9) is rotatably mounted on one side of the fixing plate (8), the third bevel gear (9) is meshed with the first bevel gear (5) and the second bevel gear (7), two groups of stirring blades (4) are fixedly connected to the outer wall of the rotating shaft (3), and two flip blades (10) are fixedly connected to the lower end of the second bevel gear (7).

2. A fully automatic buffer solution preparation device according to claim 1, characterized in that: A protective shell (13) is installed on the outer wall of the mixing cylinder (1), and a plurality of groups of heating rods (14) are installed on the outer wall of the mixing cylinder (1) located inside the protective shell (13).

3. A fully automatic buffer solution preparation device according to claim 2, characterized in that: A temperature sensor (15) is installed on the outer wall of the mixing barrel (1), and a sensing end of the temperature sensor (15) extends into the interior of the mixing barrel (1).

4. A fully automatic buffer solution preparation device according to claim 1, characterized in that: The lower end of the mixing cylinder (1) is fixedly connected to a discharge pipe (18), and a discharge valve (19) is installed inside the discharge pipe (18).

5. A fully automatic buffer solution preparation device according to claim 1, characterized in that: A fixing ring (16) is fixedly connected to the outer wall of the mixing cylinder (1), and a plurality of groups of supporting legs (17) are fixedly connected to the lower end of the fixing ring (16).

6. A fully automatic buffer solution preparation device according to claim 1, characterized in that: A plurality of groups of injection tubes (11) are fixedly mounted on the upper end of the mixing cylinder (1), and the plurality of groups of injection tubes (11) are arranged in a linear array.

7. A fully automatic buffer solution preparation device according to claim 6, characterized in that: Solenoid valves (12) are respectively installed inside the plurality of groups of injection pipes (11).

8. A fully automatic buffer solution preparation device according to claim 1, characterized in that: The first bevel gear (5), the second bevel gear (7) and the third bevel gear (9) are made of stainless steel.

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