Simple liquid density proportioning instrument
By designing a simple liquid density ratiometer and using automated pipetting workstations and ultrasonic mixing, the existing liquid density ratio instruments are solved, and efficient and accurate liquid density ratios are achieved, reducing costs and labor consumption.
Patent Information
- Application Number
- CN202521173247.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-10
- Publication Date
- 2025-07-18
- Estimated Expiration
- 2035-06-10
AI Technical Summary
The existing liquid density rationing instruments are relatively small and expensive, which is difficult to meet the demand for large proportions of geological samples. They are fragile and contaminated with heavy liquids, resulting in inaccurate experimental results and large labor consumption.
A simple liquid density ratiometer is designed, including a workbench, an automated pipetting workstation, a mixing mechanism and an ultrasonic generator. The liquid mass is weighed through an electronic balance, the density is calculated and the ratio is automatically completed. Ultrasonic mixing liquid is used to achieve automatic operation combined with electric guide rails and clamping components.
Accurate and automated liquid density ratios are achieved, reducing labor costs, reducing instrument costs, and improving the accuracy and safety of experiments.
Smart Images
Figure CN223112811U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of liquid mixing equipment, in particular to a simple liquid density mixer. Background Art
[0002] A liquid density mixer is an instrument used to accurately measure and mix the mixing ratios of liquids with different densities. Currently, most density experimental instruments on the market are liquid densitometers. In comparison, there are fewer liquid density mixing instruments. In geological dating research, scientific researchers need to use heavy liquids with different densities (such as lithium polytungstate, density range 2.62 - 2.75 g / cm 3 ) to separate quartz and feldspar.
[0003] During the process of mixing heavy liquids with this density, first, it is not easy to grasp the proportional relationship between the two heavy liquids with different densities during the mixing process. It mainly relies on empirical operation, which is inaccurate and may also result in unsuccessful mixing, greatly affecting the experimental results. Second, the specific gravity meter has a large range and is expensive, making it difficult to purchase. Moreover, it is made of glass and is fragile during the mixing process of heavy liquids. Third, the heavy liquid is expensive, and the broken specific gravity meter will also contaminate the heavy liquid. Fourth, manually mixing the specific gravity liquid is labor-consuming.
[0004] Therefore, based on the above considerations, using a liquid mixing instrument has become the best choice in geological research. However, the existing types of mixing instruments are few, expensive, and it is not easy to meet the requirement of a large amount of liquid to be mixed for geological samples. Therefore, the applicant designed this simple liquid density mixer. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a simple liquid density mixer, which can calculate the density of a liquid by weighing the mass of a liquid with a fixed volume. After knowing the target density and volume, the volume of liquids with different densities required can be calculated, and then the mixing can be automatically completed.
[0006] To achieve the above object, a simple liquid density ratio mixer is provided, including a workbench. Three placement grooves are equidistantly formed on the upper surface of the workbench. First beakers are placed in the placement grooves. A mixing mechanism and a turntable are successively installed at the upper end of the workbench, and the mixing mechanism and the turntable are located on the right side of the placement grooves. A second beaker is placed in the mixing mechanism. An automatic pipetting workstation is provided above the workbench. A second electric guide rail for raising the height of the automatic pipetting workstation is fixedly connected to the back of the automatic pipetting workstation. A first electric guide rail is installed in the middle of the side of the second electric guide rail away from the automatic pipetting workstation, and the first electric guide rail enables the second electric guide rail to move horizontally. One end of the first electric guide rail away from the second electric guide rail is fixedly connected to a first support rod, and the bottom of the first support rod is fixedly connected to the upper end of the workbench. A placement table is fixedly connected to the upper end of the turntable. Three conical flasks are equidistantly placed on the placement table. A motor is fixedly connected to the bottom of the workbench, and the rotating shaft of the motor penetrates upward through the workbench and is rotatably connected to the workbench. The rotating shaft of the motor is fixedly connected to the middle of the turntable. A cylinder is fixedly connected to the upper end of the workbench. A third electric guide rail is fixedly connected to the upper end of the cylinder. A connecting rod is installed on the surface of the third electric guide rail. One end of the connecting rod away from the third electric guide rail is fixedly connected to a clamping assembly for clamping the conical flask. Support legs are fixedly connected to the four corners of the lower end of the workbench. It can calculate the density of the liquid by weighing the mass of a fixed volume of the liquid. After knowing the target density and volume, the volume required for liquids with different densities can be calculated, and thus the ratio can be automatically completed.
[0007] According to the simple liquid density ratio mixer described above, an electronic balance is installed at the upper end of the workbench, and the electronic balance is located between the mixing mechanism and the placement table. The electronic balance is used to weigh the liquid, and the density of the liquid can be obtained by combining the weighed volume of the liquid.
[0008] According to the simple liquid density ratio mixer described above, an ultrasonic generator is fixedly connected to the upper end of the workbench. An ultrasonic transducer is installed at the bottom of the mixing mechanism, and the ultrasonic transducer penetrates through the mixing mechanism and the workbench in sequence. The upper end of the ultrasonic transducer is in contact with the bottom of the second beaker. A connecting wire is installed between the ultrasonic transducer and the ultrasonic generator. The ultrasonic generator and the ultrasonic transducer cooperate to mix the liquid in the second beaker by using ultrasonic waves.
[0009] According to the simple liquid density ratio mixer described above, a controller is fixedly connected to the side end of the workbench. The controller controls the first electric guide rail, the second electric guide rail, the third electric guide rail, the ultrasonic generator, the motor, the automatic pipetting workstation, and the clamping assembly. The controller is used to control the device to mix the liquid.
[0010] According to the described simple liquid density ratio meter, a large pipette and a small pipette are provided above each of the three first beakers. A small pipette is provided above the second beaker. A waste liquid gun is provided above the placement table. The waste liquid gun sucks the liquid in the conical flask on the placement table. The large pipette, small pipette and waste liquid gun are installed on an automated pipetting workstation. The large pipette is used to draw the corresponding liquid in the first beaker into the second beaker respectively when preparing the liquid ratio. The small pipette is used to draw a certain volume of liquid in the corresponding first beaker into the conical flask placed on the electronic balance for weighing, so as to obtain the liquid density.
[0011] According to the described simple liquid density ratio meter, the top of the placement table is hollowed out. The inner wall of the placement table is fixedly connected with three trays at equal intervals. The conical flask is placed on the upper end of the tray. A faucet is installed on one side of the placement table, and the faucet is used to discharge the waste liquid in the placement table. The faucet is provided above the workbench. The placement table is used to place the conical flask and can also store the waste liquid. The faucet facilitates the discharge of the waste liquid in the placement table into other containers.
[0012] According to the described simple liquid density ratio meter, three identification blocks are fixedly connected to the top end of the placement table at equal intervals, and the three identification blocks correspond to the three conical flasks respectively. The letters D, E, and F are engraved on the top of the identification blocks in sequence. A detection camera is installed on the upper surface of the clamping assembly. The identification blocks and the detection camera cooperate to identify the three conical flasks in the placement table, which is convenient for the clamping assembly to clamp.
[0013] According to the described simple liquid density ratio meter, the capacity of the conical flask is 25 mL or 50 mL. The conical flask is used to hold the liquid used in the ratio taken out by the small pipette or the liquid sampled and detected after the ratio.
[0014] The beneficial effects of the above solution are as follows: The first beaker is used to store the liquid required for density ratio preparation. The second beaker is used to prepare the liquid. The automated pipetting workstation sucks the liquid in the first beaker and the second beaker, and the mixing structure mixes the liquid in the second beaker to achieve automated ratio preparation.
[0015] The additional aspects and advantages of the present invention will be partially given in the following description, partially become apparent from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention will be further described below in conjunction with the drawings and embodiments;
[0017] Figure 1 is a three-dimensional view of the simple liquid density ratio meter of the present invention;
[0018] Figure 2 This is the front view of the simple liquid density ratio meter of the present utility model;
[0019] Figure 3 This is the right view of the simple liquid density ratio meter of the present utility model;
[0020] Figure 4 This is the three-dimensional view of the automatic liquid transfer workstation of the simple liquid density ratio meter of the present utility model;
[0021] Figure 5 This is the three-dimensional view of the workbench of the simple liquid density ratio meter of the present utility model;
[0022] Figure 6 This is the three-dimensional view of the cooperation between the placement table and the conical flask of the simple liquid density ratio meter of the present utility model;
[0023] Figure 7 This is the bottom view of the clamping assembly of the simple liquid density ratio meter of the present utility model;
[0024] Figure 8 This is the cross-sectional view of the cooperation between the mixing mechanism, the ultrasonic transducer and the second beaker of the simple liquid density ratio meter of the present utility model.
[0025] Legend description:
[0026] 1. Automatic liquid transfer workstation; 2. First beaker; 3. Workbench; 4. Support leg; 5. Mixing mechanism; 6. Electronic balance; 7. Placement table; 8. Controller; 9. Conical flask; 10. First support rod; 11. First electric guide rail; 12. Ultrasonic generator; 13. Second beaker; 14. Second electric guide rail; 15. Connecting line; 16. Cylinder; 17. Motor; 18. Clamping assembly; 19. Third electric guide rail; 20. Connecting rod; 21. Large liquid transfer gun; 22. Small liquid transfer gun; 23. Waste liquid gun; 24. Placement groove; 25. Ultrasonic transducer; 26. Turntable; 27. Identification block; 28. Water tap; 29. Tray; 30. Detection camera. Detailed implementation manners
[0027] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.
[0028] Refer to Figure 1-8, in the embodiment of the utility model, a simple liquid density ratio meter includes a workbench 3. Three placing grooves 24 are equidistantly arranged on the upper surface of the workbench 3. First beakers 2 are placed in the placing grooves 24. The liquids in the first beakers 2 in the three placing grooves 24 are named pure water, liquid A, and liquid B from left to right. A mixing mechanism 5 and a turntable 26 are sequentially installed at the upper end of the workbench 3, and the mixing mechanism 5 and the turntable 26 are located on the right side of the placing grooves 24. A second beaker 13 is placed in the mixing mechanism 5. An automatic pipetting workstation 1 is arranged above the workbench 3. A second electric guide rail 14 for lifting the height of the automatic pipetting workstation 1 is fixedly connected to the back of the automatic pipetting workstation 1. A first electric guide rail 11 is installed in the middle of one side of the second electric guide rail 14 away from the automatic pipetting workstation 1, and the first electric guide rail 11 enables the second electric guide rail 14 to move horizontally. One end of the first electric guide rail 11 away from the second electric guide rail 14 is fixedly connected to a first support rod 10, and the bottom of the first support rod 10 is fixedly connected to the upper end of the workbench 3. A placing platform 7 is fixedly connected to the upper end of the turntable 26. Three conical flasks 9 are equidistantly placed on the placing platform 7. The three conical flasks 9 are named D, E, and F according to the content of the identification block 27. The rotation direction of the motor 17 is the same as the order of arrangement of the identification block 27. A motor 17 is fixedly connected to the bottom of the workbench 3, and the rotating shaft of the motor 17 penetrates upward through the workbench 3 and is rotatably connected to the workbench 3. The rotating shaft of the motor 17 is fixedly connected to the middle of the turntable 26. A cylinder 16 is fixedly connected to the upper end of the workbench 3. A third electric guide rail 19 is fixedly connected to the upper end of the cylinder 16. A connecting rod 20 is installed on the surface of the third electric guide rail 19. One end of the connecting rod 20 away from the third electric guide rail 19 is fixedly connected to a clamping assembly 18 for clamping the conical flask 9. Support legs 4 are fixedly connected to the four corners of the lower end of the workbench 3.
[0029] An electronic balance 6 is installed at the upper end of the workbench 3, and the electronic balance 6 is located between the mixing mechanism 5 and the placing platform 7. The electronic balance 6 is used to weigh the liquid, and the liquid density is obtained by combining with the weighed liquid volume.
[0030] An ultrasonic generator 12 is fixedly connected to the upper end of the workbench 3. An ultrasonic transducer 25 is installed at the bottom of the mixing mechanism 5, and the ultrasonic transducer 25 sequentially penetrates through the mixing mechanism 5 and the workbench 3. The upper end of the ultrasonic transducer 25 is in contact with the bottom of the second beaker 13. A connecting wire 15 is installed between the ultrasonic transducer 25 and the ultrasonic generator 12. The ultrasonic generator 12 and the ultrasonic transducer 25 cooperate to mix the liquid in the second beaker 13 by using ultrasonic waves.
[0031] A controller 8 is fixedly connected to the side end of the workbench 3. The controller 8 controls the first electric guide rail 11, the second electric guide rail 14, the third electric guide rail 19, the ultrasonic generator 12, the motor 17, the automatic pipetting workstation 1, and the clamping assembly 18. The controller 8 is used to control the device to proportion the liquid.
[0032] Above each of the three first beakers 2, there is a large pipette 21 and a small pipette 22. Above the second beaker 13, there is a small pipette 22. Above the placement table 7, there is a waste liquid gun 23. The waste liquid gun 23 sucks the liquid in the conical flask 9 on the placement table 7. The large pipette 21, the small pipette 22 and the waste liquid gun 23 are installed on the automatic pipetting workstation 1. The large pipette 21 is used to draw the corresponding liquid in the first beaker 2 into the second beaker 13 when preparing the liquid. The small pipette 22 is used to draw a certain volume of liquid in the corresponding first beaker 2 into the conical flask 9 placed on the electronic balance 6 for weighing, so as to obtain the liquid density.
[0033] The top of the placement table 7 is hollowed out. The inner wall of the placement table 7 is fixedly connected with three trays 29 at equal intervals. The conical flask 9 is placed on the upper end of the tray 29. A faucet 28 is installed on one side of the placement table 7, and the faucet 28 is used to discharge the waste liquid in the placement table 7. The faucet 28 is arranged above the workbench 3. The placement table 7 is used to place the conical flask 9 and can also store the waste liquid. The faucet 28 facilitates the discharge of the waste liquid in the placement table 7 into other containers.
[0034] Three identification blocks 27 are fixedly connected to the top of the placement table 7 at equal intervals, and the three identification blocks 27 correspond to the three conical flasks 9 respectively. The letters D, E, and F are engraved on the top of the identification blocks 27 in sequence. A detection camera 30 is installed on the upper surface of the clamping assembly 18. The identification blocks 27 and the detection camera cooperate to identify the three conical flasks 9 on the placement table 7, which is convenient for the clamping assembly 18 to clamp.
[0035] The capacity of the conical flask 9 is 25 mL or 50 mL. The conical flask 9 is used to hold the liquid used in the preparation taken out by the small pipette 22 or the liquid sampled and detected after the preparation.
[0036] Working principle:
[0037] Step 1: Place the first beakers 2 containing pure water, liquid A, and liquid B, the second beaker 13 for holding the prepared liquid, and three empty conical flasks 9 in the designated positions. The conical flasks 9 are placed on the placement table 7.
[0038] Step 2: Start the motor 17 to drive the placement table 7 to rotate, rotate the conical flask 9D into place, monitor with the detection camera 30, and use the first electric guide rail 11, the cylinder 16 and the clamping assembly 18 to cooperate to place the empty conical flask 9D at the electronic balance 6. After weighing, the data of the electronic balance 6 is reset to zero.
[0039] Step 3: Through the controller 8, control the automated pipetting workstation 1 to start the small pipette 22 corresponding to the first beaker 2 containing liquid A, aspirate 20 mL of liquid A into the conical flask 9D, and read the mass on the electronic balance 6. Aspirate the liquid away again and move it back to the container of liquid A. The control program calculates the density of liquid A based on the mass and volume.
[0040] Step 4: Repeat the operations in Step 2 and Step 3. Place the conical flask 9E on the electronic balance 6, move the small pipette 22 corresponding to the first beaker 2 of liquid B to aspirate liquid B into the conical flask 9E, and obtain the density of liquid B.
[0041] Step 5: Input the target density and volume into the controller 8 to enable the program to automatically calculate the volumes of liquid A, liquid B, and high-purity water required respectively.
[0042] Step 6: Start the large pipettes 21 corresponding to the first beakers 2 containing liquid A, B, and high-purity water respectively to extract liquid A, B, and high-purity water. The first electric guide rail 11 moves the automated pipetting workstation 1 to transfer the extracted liquids into the second beaker 13 for automatic proportioning. After the proportioning is completed, the ultrasonic generator 12 emits ultrasonic waves through the ultrasonic transducer 25 via the connecting wire 15 and transmits them to the second beaker 13 to make the liquids in the second beaker 13 mix evenly.
[0043] Step 7: After completion, the first electric guide rail 11 moves the automated pipetting workstation 1 again. Use the small pipette 22 above the second beaker 13 to pipette some of the liquid therein, and use the clamping assembly 18 to place the conical flask 9 named F on the electronic balance 6, weigh it and set it to zero. The small pipette 22 pipettes some of the liquid into the conical flask 9 named F, weigh it, and calculate the density of the target liquid to verify whether the density of the proportioning meets the standard. If it meets the standard, the proportioning is completed. If it does not meet the standard, check each step, replace the container, and re-proportion.
[0044] Step 8: Finally, clean the containers. Use the small pipette above the first beaker 2 containing high-purity water to pipette high-purity water into the three conical flasks 9, then use the waste liquid pipe to suck it out and place it in the hollow storage table 7. It can be cleaned multiple times. The pipettes used above the first beakers 2 containing liquid A and B and the second beaker 13 containing the prepared liquid also need to aspirate high-purity water for cleaning and release it into the storage table 7. The liquid in the storage table 7 can flow into other collection containers through the faucet 28 to complete the recovery of the liquid.
[0045] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art to which the present invention pertains, various changes can be made without departing from the gist of the present invention.
Claims
1. Simple liquid density ratio mixer, comprising: Workbench, characterized in that three placement grooves are equidistantly arranged on the upper surface of the workbench, and first beakers are placed in the placement grooves. A mixing mechanism and a turntable are sequentially installed at the upper end of the workbench, and the mixing mechanism and the turntable are located on the right side of the placement grooves. A second beaker is placed in the mixing mechanism. An automated pipetting workstation is arranged above the workbench. A second electric guide rail for lifting the height of the automated pipetting workstation is fixedly connected to the back of the automated pipetting workstation. A first electric guide rail is installed in the middle of the side of the second electric guide rail away from the automated pipetting workstation, and the first electric guide rail enables the second electric guide rail to move horizontally. One end of the first electric guide rail away from the second electric guide rail is fixedly connected to a first support rod, and the bottom of the first support rod is fixedly connected to the upper end of the workbench. A placement table is fixedly connected to the upper end of the turntable. Three conical flasks are equidistantly placed on the placement table. A motor is fixedly connected to the bottom of the workbench, and the rotating shaft of the motor penetrates upward through the workbench and is rotatably connected to the workbench. The rotating shaft of the motor is fixedly connected to the middle of the turntable. A cylinder is fixedly connected to the upper end of the workbench. A third electric guide rail is fixedly connected to the upper end of the cylinder. A connecting rod is installed on the surface of the third electric guide rail. One end of the connecting rod away from the third electric guide rail is fixedly connected to a clamping assembly for clamping the conical flask. Support legs are fixedly connected to the four corners of the lower end of the workbench.
2. The simple liquid density ratio meter according to claim 1, wherein An electronic balance is installed at the upper end of the workbench, and the electronic balance is located between the mixing mechanism and the placement table.
3. The simple liquid density ratio mixer according to claim 1, wherein A ultrasonic generator is fixedly connected to the upper end of the workbench. A ultrasonic transducer is installed at the bottom of the mixing mechanism, and the ultrasonic transducer sequentially penetrates through the mixing mechanism and the workbench. The upper end of the ultrasonic transducer contacts the bottom of the second beaker. A connecting wire is installed between the ultrasonic transducer and the ultrasonic generator.
4. The simple liquid density ratio meter according to claim 2, characterized in that, A controller is fixedly connected to the side end of the workbench, and the controller controls the first electric guide rail, the second electric guide rail, the third electric guide rail, the ultrasonic generator, the motor, the automated pipetting workstation and the clamping assembly.
5. The simple liquid density ratio meter according to claim 1, wherein One large pipette and one small pipette are arranged directly above each of the three first beakers. One small pipette is arranged directly above the second beaker. A waste liquid pipette is arranged above the placement table. The waste liquid pipette sucks the liquid in the conical flasks on the placement table. The large pipette, the small pipette and the waste liquid pipette are installed on the automated pipetting workstation.
6. The simple liquid density ratio meter according to claim 1, characterized in that, The top of the placement table is hollowed out. Three trays are equidistantly fixedly connected to the inner wall of the placement table. The conical flasks are placed on the upper ends of the trays. A faucet is installed on one side of the placement table, and the faucet is used to drain the waste liquid in the placement table. The faucet is arranged above the workbench.
7. The simple liquid density ratio meter according to claim 1, wherein Three identification blocks are equidistantly fixedly connected to the top end of the placement table, and the three identification blocks respectively correspond to the three conical flasks. The letters D, E, and F are sequentially engraved on the tops of the identification blocks. A detection camera is installed on the upper surface of the clamping assembly.
8. The simple liquid density ratio meter according to claim 1, wherein The capacity of the conical flask is 25 mL or 50 mL.