Biological culture medium dry powder mixing device

Abstract

The utility model discloses a biological culture medium dry powder mixing device, which belongs to the technical field of dry powder mixing devices and comprises a frame body and a mixing tank arranged at the upper end of the frame body, a top cover is arranged at the upper end of the mixing tank, a mixing component is arranged on one side of the top cover, and a solvent injection structure is further arranged at the upper end of the top cover. Dry powder particles can be screened through the electric vibrating screen, so that the dry powder particles can fall down from pores in the surface of the electric vibrating screen, the dry powder particles are uniformly dispersed, caking can be effectively avoided, meanwhile, the water pump is started, and the dry powder particles are uniformly dispersed. The solvent in the box body can be pumped into the mixing tank through the guide pipe, then the motor is started, the shaft rod can be driven to rotate, the stirring rod and the scraping plate can mix dry powder, it is ensured that the solvent and the dry powder are fully mixed, the mixing effect is good, and caking is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dry powder mixing devices, in particular to a biological culture medium dry powder mixing device. Background Art

[0002] Biological culture medium powder is a raw material used to prepare liquid culture medium. Biological culture medium powder is often used in laboratories in biological research, cell culture, microbial culture and other experiments. It is prepared into liquid culture medium by adding appropriate proportions of solvents (usually deionized water) to provide the required nutrients and environmental conditions for the growth of cells or microorganisms. In this process, a mixing device is required for stirring to obtain biological culture medium.

[0003] The existing Chinese patent with announcement number CN214438327U discloses a biological culture medium dry powder mixing device, including a fixed base, a device body is installed on the top of the fixed base, a rotating shaft is provided on both sides of the top of the device body, a stirring rod is fixedly installed on the outside of the rotating shaft, a transmission gear is provided on the outside of the bottom of the rotating shaft, wedge plates are provided on both sides of the bottom of the inner wall of the device body, a rotating ring is provided on the top of the wedge plate, arc plates are provided on both sides of the top of the rotating ring, and a cleaning brush is provided on one side of the arc plate. The utility model is provided with stirring rods and cleaning brushes, and the servo motor can drive the rotating shaft to rotate, so that the staggered stirring rods can stir and mix the dry powder, so that the dry powder is mixed more evenly, and the cleaning brush can clean the inner wall of the device body through the meshing action of the transmission gear and the rotating ring, so as to prevent the dry powder from adhering to the inner wall of the device body.

[0004] With respect to the above-mentioned related technologies, the dry powder can be put into the device body from the feed port, and then the dry powder can be mixed and stirred with the help of a stirring rod to complete the mixing. However, in the process of mixing the dry powder, the dry powder directly enters the device body, and the dry powder is unevenly dispersed after entering. When the solvent is added, agglomeration is likely to occur, resulting in poor dry powder mixing effect and poor overall uniformity of the solution.

[0005] Therefore, we propose a biological culture medium dry powder mixing device to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a biological culture medium dry powder mixing device. By adopting the device to work, the problem that in the process of mixing the dry powder, the dry powder directly enters the device body, the dry powder is unevenly dispersed after entering, and agglomerates easily when the solvent is added, resulting in poor dry powder mixing effect and poor overall uniformity of the solution is solved.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a biological culture medium dry powder mixing device, comprising a frame and a mixing tank arranged at the upper end of the frame, a top cover is arranged at the upper end of the mixing tank, a mixing member is arranged on one side of the top cover, a solvent injection structure is also arranged at the upper end of the top cover, and a feed port is also arranged on the surface of the top cover, the dry powder enters the mixing tank from the feed port, and the solvent is injected into the mixing tank by the solvent injection structure, and mixed by the mixing member;

[0008] A mounting frame is installed inside the mixing tank, and an electric vibrating screen is arranged inside the mounting frame. The dry powder can be screened by starting the electric vibrating screen, so that the dry powder particles are discharged from the pores on the surface of the electric vibrating screen.

[0009] Preferably, a discharge pipe is also provided at the lower end of the mixing tank, and the discharge pipe is used to discharge the mixed materials.

[0010] Preferably, the mixing component includes a motor arranged at the upper end of the top cover and a shaft connected to the output end of the motor, the other end of the shaft passes through the top cover and the electric vibrating screen and extends to the interior of the mixing tank, a stirring rod for stirring is arranged on the outer side of the shaft, a scraper is arranged at one end of the stirring rod away from the shaft, and the scraper is in close contact with the inner wall of the mixing tank. When the motor is operating, the shaft can be driven to rotate, and the stirring rod and the scraper can mix the dry powder.

[0011] Preferably, a rubber strip is further provided on the outer side of the shaft rod, and the rubber strip is placed on the upper end of the electric vibrating screen, and the rubber strip is used to stir the dry powder on the electric vibrating screen.

[0012] Preferably, the solvent injection structure includes a box body arranged at the upper end of the top cover and a liquid inlet pipe arranged at the upper end of the box body, a water pump is arranged inside the box body, one end interface of the water pump is connected to the conduit through a pipe, and the other end of the conduit is communicated with the mixing tank. When the water pump is started, the solvent inside the box body can be drawn into the mixing tank through the conduit.

[0013] Preferably, a mounting seat is also installed inside the box, and an S-shaped heating tube is installed on one side of the mounting seat. The heating tube is connected to an external power supply. When the heating tube is turned on, it can generate heat to heat the solvent.

[0014] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0015] The input dry powder can be screened by the installation frame, electric vibrating screen and mixing component, so that the dry powder particles can enter the mixing tank more evenly, and then be mixed by the mixing component, which can effectively avoid the occurrence of dry powder agglomeration, facilitate mixing and facilitate use.

[0016] By setting up the box, water pump, conduit and heating tube, the solvent can be heated when the heating tube is started, which can effectively reduce the oxygen content in the solvent and reduce bubbles to prevent the bubbles from affecting the solvent entering the mixing tank and mixing with the dry powder, thereby avoiding the formation of lumps during the dry powder mixing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the hybrid component structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the mounting frame and vibrating screen structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the solvent injection structure of the utility model.

[0021] In the figure: 1. frame; 2. mixing tank; 21. mounting frame; 22. electric vibrating screen; 23. discharge pipe; 3. top cover; 31. feed port; 4. solvent injection structure; 41. box; 42. liquid inlet pipe; 43. water pump; 44. conduit; 45. mounting seat; 46. heating tube; 5. mixing component; 51. motor; 52. shaft; 53. stirring rod; 54. scraper; 55. rubber strip. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Example 1: Please refer to Figure 1-4 A biological culture medium dry powder mixing device includes a frame 1 and a mixing tank 2 arranged at the upper end of the frame 1, a top cover 3 is arranged at the upper end of the mixing tank 2, a mixing component 5 is arranged on one side of the top cover 3, a solvent injection structure 4 is also arranged at the upper end of the top cover 3, and a feed port 31 is also arranged on the surface of the top cover 3. The dry powder enters the mixing tank 2 from the feed port 31, and the solvent is injected into the mixing tank 2 by using the solvent injection structure 4, and the mixing of the dry powder can be completed by stirring through the mixing component 5.

[0024] A mounting frame 21 is installed inside the mixing tank 2, and an electric vibrating screen 22 is arranged inside the mounting frame 21. By starting the electric vibrating screen 22, the dry powder can be screened so that the dry powder particles are discharged from the pores on the surface of the electric vibrating screen 22, so that the dry powder particles are evenly discharged from the pores.

[0025] A discharge pipe 23 is also provided at the lower end of the mixing tank 2, and the discharge pipe 23 is used to discharge the mixed materials.

[0026] The mixing component 5 includes a motor 51 arranged at the upper end of the top cover 3 and a shaft 52 connected to the output end of the motor 51. The other end of the shaft 52 passes through the top cover 3 and the electric vibrating screen 22 and extends to the interior of the mixing tank 2. A stirring rod 53 for stirring is arranged on the outer side of the shaft 52. A scraper 54 is arranged at one end of the stirring rod 53 away from the shaft 52, and the scraper 54 is in close contact with the inner wall of the mixing tank 2. When the motor 51 is operating, the shaft 52 can be driven to rotate, and the stirring rod 53 and the scraper 54 can mix the dry powder. After a period of stirring, the mixing process can be completed.

[0027] A rubber strip 55 is also provided on the outside of the shaft 52 and is placed on the upper end of the electric vibrating screen 22. The rubber strip 55 is used to stir the dry powder on the electric vibrating screen 22 so that the dry powder can be distributed on the electric vibrating screen 22, which is beneficial to vibrate and screen the dry powder.

[0028] The solvent injection structure 4 includes a box body 41 arranged at the upper end of the top cover 3 and a liquid inlet pipe 42 arranged at the upper end of the box body 41. A water pump 43 is arranged inside the box body 41. One end interface of the water pump 43 is connected to the conduit 44 through a pipeline. The other end of the conduit 44 is connected to the mixing tank 2. When the water pump 43 is started, the solvent inside the box body 41 can be drawn into the mixing tank 2 through the conduit 44.

[0029] In this embodiment: dry powder particles can enter the mixing tank 2 from the feed port 31 and fall onto the electric vibrating screen 22. The dry powder particles can be screened by the electric vibrating screen 22, so that the dry powder particles can fall from the pores on the surface of the electric vibrating screen 22. The dry powder particles are evenly dispersed and can effectively avoid agglomeration. At the same time, the water pump 43 is started to draw the solvent inside the box 41 into the mixing tank 2 through the conduit 44, and then the motor 51 is turned on to drive the shaft 52 to rotate. The stirring rod 53 and the scraper 54 can mix the dry powder to ensure that the solvent and the dry powder are fully mixed, so that the mixing effect is good and agglomeration is reduced.

[0030] Embodiment 2: This embodiment is an improvement made on the basis of embodiment 1. For details, please refer to Figure 4A mounting seat 45 is also installed inside the box body 41, and an S-shaped heating tube 46 is installed on one side of the mounting seat 45. The heating tube 46 is externally connected to a power source. When the heating tube 46 is turned on, heat can be generated to heat the solvent.

[0031] In this embodiment: by starting the heating tube 46, heat can be generated, and the heating tube 46 is in contact with the solvent to heat the solvent, which can effectively reduce the gas content in the solvent to reduce the generation of bubbles during the mixing process, so as to prevent the bubbles from affecting the mixing process of the dry powder and the solvent.

[0032] Working principle: dry powder is put into the mixing tank 2 from the feed port 31, and screened by the electric vibrating screen 22, the heating tube 46 is turned on to heat the solvent so that the solvent has a certain temperature, and then the solvent is injected into the mixing tank through the cooperation of the water pump 43 and the conduit 44, and the motor 51 is turned on at the same time to drive the shaft 52 to rotate, so that the stirring rod 53 and the scraper 54 are mixed, and the mixing process is completed.

[0033] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A biological culture medium dry powder mixing device, comprising a frame (1) and a mixing tank (2) arranged at the upper end of the frame (1), wherein a top cover (3) is arranged at the upper end of the mixing tank (2), characterized in that: A mixing component (5) is provided on one side of the top cover (3), a solvent injection structure (4) is also provided on the upper end of the top cover (3), and a feed port (31) is also provided on the surface of the top cover (3), the dry powder enters the mixing tank (2) through the feed port (31), and the solvent is injected into the mixing tank (2) by using the solvent injection structure (4), and mixed by the mixing component (5); A mounting frame (21) is installed inside the mixing tank (2), and an electric vibrating screen (22) is arranged inside the mounting frame (21). The dry powder can be screened by starting the electric vibrating screen (22).

2. A biological culture medium dry powder mixing device according to claim 1, characterized in that: The lower end of the mixing tank (2) is also provided with a discharge pipe (23), and the discharge pipe (23) is used to discharge the mixed materials.

3. A biological culture medium dry powder mixing device according to claim 2, characterized in that: The mixing member (5) comprises a motor (51) arranged at the upper end of the top cover (3) and a shaft (52) connected to the output end of the motor (51); the other end of the shaft (52) penetrates the top cover (3) and the electric vibrating screen (22) and extends into the interior of the mixing tank (2); a stirring rod (53) for stirring is arranged on the outer side of the shaft (52); a scraper (54) is arranged at one end of the stirring rod (53) away from the shaft (52); and the scraper (54) is in close contact with the inner wall of the mixing tank (2); when the motor (51) is in operation, the shaft (52) can be driven to rotate.

4. A biological culture medium dry powder mixing device according to claim 3, characterized in that: A rubber strip (55) is also provided on the outer side of the shaft rod (52), and the rubber strip (55) is placed on the upper end of the electric vibrating screen (22).

5. A biological culture medium dry powder mixing device according to claim 4, characterized in that: The solvent injection structure (4) comprises a box body (41) arranged at the upper end of the top cover (3) and a liquid inlet pipe (42) arranged at the upper end of the box body (41); a water pump (43) is arranged inside the box body (41); an interface at one end of the water pump (43) is connected to a conduit (44) through a pipeline; and the other end of the conduit (44) is in communication with the mixing tank (2).

6. A biological culture medium dry powder mixing device according to claim 5, characterized in that: A mounting seat (45) is also installed inside the box body (41), and a heating tube (46) is installed on one side of the mounting seat (45), and the heating tube (46) is externally connected to a power source.

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