Microbial culture medium powder preparation device and method

Abstract

The invention discloses a microbial culture medium powder preparation device and method, and aims to improve the drying efficiency and ensure uniform drying. The device comprises a machine shell, a feeding mechanism, a pump body, a drying mechanism and the like, and culture medium powder is prepared through the four steps of smashing, feeding, drying and material taking and storing. The feeding mechanism adopts crushing teeth to crush raw materials, and the drying mechanism adjusts the position of a drying cover through a pulley and an irregular turntable to ensure uniform distribution of drying gas. The drying efficiency and the product consistency are remarkably improved, and the device is suitable for preparing microorganism culture medium powder.

Description

Technical Field

[0001] The invention relates to the technical field of microbial culture medium powder preparation, and in particular to a microbial culture medium powder preparation device and method. Background Art

[0002] Culture medium refers to a mixed nutrient product prepared by artificial methods for the cultivation, separation, identification, research and preservation of microorganisms. The growth and reproduction of microorganisms requires certain nutrients and suitable environmental conditions. In the process of developing production and preventing and treating diseases, in order to control and utilize microorganisms, humans select natural or purified nutrients and suitable osmotic pressure, pH, etc., and process them to make nutrient matrices with different nutritional requirements, so as to cultivate and utilize microorganisms under artificial conditions. This kind of nutrient preparations used for artificial cultivation of microorganisms, bacteria, fungi, viruses, etc., which have different uses such as growth and reproduction or separation and identification of microorganisms, are generally called microbial culture media. Microbial culture media are basic tools for microbiological research. They can be used to separate and purify microorganisms, identify microbial strains, and observe microbial growth and metabolism. When using microbial culture media, people put the culture media powder required for nutrition into the microbial culture media, so as to facilitate the microbial culture media to cultivate microorganisms and bacteria. The culture media powder raw materials put in the preparation device are put into the powder preparation.

[0003] However, the traditional preparation device has the following disadvantages:

[0004] When a conventional preparation device dries the microbial culture medium powder raw material, the microbial culture medium powder raw material is stacked in the device, which easily leads to incomplete drying of the microbial culture medium powder, thereby reducing the preparation efficiency of the microbial culture medium powder. Summary of the invention

[0005] The object of the present invention is to provide a device and method for preparing microbial culture medium powder, so as to solve the problem that when the traditional preparation device proposed in the above background technology dries the microbial culture medium powder raw materials, the microbial culture medium powder raw materials are stacked in the device, which easily leads to incomplete drying of the microbial culture medium powder, thereby reducing the preparation efficiency of the microbial culture medium powder.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for preparing powder of microbial culture medium, comprising a casing, a screw rod is rotatably connected to the top of the inner wall of the casing, a movable block slidably connected to the casing is threadedly connected to the middle of the screw rod, a feed cover is fixedly connected to the bottom end of the movable block, a feed mechanism is fixedly installed on one side of the top of the casing, a pump body is fixedly installed on the other side of the top of the casing, a drying mechanism is fixedly installed on the bottom ends of both sides of the inner wall of the casing, a drying frame is provided inside the casing, and a drying mechanism is fixedly installed in the middle of both sides of the inner wall of the casing. There is a limit plate, and the bottom ends of the two limit plates are fixedly installed with connecting springs, and the bottom ends of the two connecting springs are respectively fixedly connected to the two sides of the top of the drying frame, the feeding mechanism includes a feeding casing and a delivery bucket, and the bottom end of the delivery bucket is fixedly connected to the top of the feeding casing, and the drying mechanism includes a drying rack and a vertical plate, the middle part of the side of the drying rack is fixedly connected to the end of the vertical plate, and the two ends of the side of the drying rack are slidably connected with a translation rack, the sides of the two translation racks are fixedly installed with connecting blocks, and the ends of the two connecting blocks are fixedly installed with drying covers.

[0007] As a preferred technical solution of the present invention, an angle seat is fixedly installed on the side of the inner wall of the feed casing, an extrusion plate is rotatably connected inside the angle seat, a screw is rotatably connected to the top end between the feed casing and the angle seat, a displacement rod is fixedly installed on the bottom end between the feed casing and the angle seat, a displacement block slidably connected to the displacement rod is threadedly connected to the middle part of the screw, a height rod is fixedly installed on the top end of the displacement block, the top end of the height rod is connected to the side opposite to the extrusion plate, a lifting cylinder is fixedly installed on the side of the top end of the feed casing, a length plate is fixedly installed on the movable end of the lifting cylinder, and the surface of the length plate and the surface of the extrusion plate are both A plurality of crushing teeth are fixedly installed. A servo motor for driving the screw to rotate is fixedly installed on the surface of the feed casing. The servo motor starts after being energized, and drives the screw to rotate. The thread on the surface of the screw matches the thread on the inner wall of the displacement block. The displacement block is limited by the displacement rod whose shape and size match the screw, so the displacement block slides along the screw. The displacement block drives the height rod to push the extrusion plate from the bottom, so that the extrusion plate deflects along the angle seat, and the lifting cylinder performs telescopic movement. The lifting cylinder drives the length plate to perform synchronous movement to adjust the height of the length plate. The length plate and the extrusion plate cooperate with each other to drive the crushing teeth to crush the culture medium powder raw material.

[0008] As a preferred technical solution of the present invention, the bottom end of the feed casing is fixedly connected to the casing, and the feed mechanism is installed on the casing through the feed casing.

[0009] As a preferred technical solution of the present invention, the opposite sides of the two connecting blocks are rotatably connected with pulleys, and the middle part of the drying rack away from the side of the vertical plate is fixedly installed with an assembling column, and the middle part of the assembling column is rotatably connected with an irregular turntable, and the two ends of the irregular turntable are respectively contacted and connected with the side opposite to the two pulleys, and the two sides of the vertical plate are fixedly installed with spring-loaded telescopic rods, and the fixed ends of the two spring-loaded telescopic rods are respectively fixedly connected with the side opposite to the two translation racks, and an external motor drives the irregular turntable to rotate, and the irregular turntable contacts with the pulley. The pulley is driven by the driving force of the irregular turntable to drive the translation rack to slide along the drying rack, and the position of the drying hood is adjusted during the sliding process of the translation rack, and the drying hood sprays the gas used for drying to dry the culture medium material in the drying frame.

[0010] As a preferred technical solution of the present invention, the surface of the drying rack is fixedly connected to the casing, and the drying mechanism is installed in the casing through the drying rack.

[0011] As a preferred technical solution of the present invention, a motor base is fixedly installed on the top of the side of the casing, a stepper motor is fixedly installed on the top of the motor base, an active umbrella-shaped bevel gear is fixedly installed on the output end of the stepper motor, a driven umbrella-shaped bevel gear extending to the outside is fixedly installed on the end of the screw rod, the outer side of the active umbrella-shaped bevel gear is meshed and connected with the outer side of the driven umbrella-shaped bevel gear, the stepper motor is started after being energized, the stepper motor drives the active umbrella-shaped bevel gear to rotate, the active umbrella-shaped bevel gear contacts with the driven umbrella-shaped bevel gear, the driven umbrella-shaped bevel gear drives the screw rod to rotate, the thread on the surface of the screw rod matches the thread on the inner wall of the movable block, the movable block is limited by the casing whose shape and size match it, so the movable block slides along the screw rod, and the feeding position of the feed cover is adjusted during the sliding of the movable block.

[0012] As a preferred technical solution of the present invention, support frames are fixedly installed on both sides of the bottom end of the casing, a heating platform is fixedly installed between the two support frames, a heating fan is fixedly installed on the top of the heating platform, an air inlet of the heating fan is fixedly connected to an air inlet duct, an air outlet of the heating fan is fixedly connected to two air supply hoses extending to the interior of a drying mechanism, an end of the casing is fixedly connected to an exhaust duct, a sealing door is hinged on the surface of the casing, the heating fan is started after being powered on, the heating fan draws gas from the external environment through the air inlet duct, the drawn gas is heated by the heating fan, and the high-temperature gas is transported to the drying mechanism through the air supply hose to dry the culture medium raw materials in the casing, and the gas in the casing is discharged to the outside through the exhaust duct.

[0013] As a preferred technical solution of the present invention, the inlet of the pump body is fixedly connected to an extraction pipe extending into the interior of the feeding mechanism, the outlet of the pump body is fixedly connected to the feeding pipe, the end of the feeding pipe away from the pump body is fixedly connected to a conveying hose, the end of the conveying hose away from the feeding pipe is fixedly connected to the end opposite to the feeding cover, the pump body is started after being energized, the pump body extracts the culture medium raw materials in the feeding mechanism through the extraction pipe, and the extracted raw materials are conveyed to the conveying hose through the feeding pipe and then to the feeding cover.

[0014] The present invention provides a method for preparing a microbial culture medium powder preparation device, comprising the following steps:

[0015] Step 1: Material crushing: Prepare the microbial culture medium powder raw material and put it into the feeding mechanism. The crushing teeth on the extrusion plate and the length plate cooperate with each other to crush the microbial culture medium powder raw material;

[0016] Step 2: Material feeding: The pump body extracts the crushed material in the feeding mechanism through the extraction pipeline, and the extracted material is transported to the feeding cover through the feeding pipeline and the conveying hose. The feeding cover transports the powder raw material of the microbial culture medium to the drying frame;

[0017] Step 3: Material drying: The drying mechanism and the heating fan cooperate with each other to dry the microbial culture medium powder raw material placed in the drying frame;

[0018] Step 4: Take out the material and store it: Open the sealed door and take out the microbial culture medium powder in the drying frame, seal it and store it at low temperature.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] First, the present invention is provided with a feeding mechanism, the extrusion plate is deflected along the angle seat, the lifting cylinder performs telescopic movement, the lifting cylinder drives the length plate to perform synchronous movement, the height of the length plate is adjusted, the length plate and the extrusion plate cooperate with each other to drive the crushing teeth to crush the culture medium powder raw material, which is convenient for drying the culture medium powder and improves the drying efficiency of the preparation device for the raw material;

[0021] Second, in the drying mechanism of the present invention, the irregular turntable is in contact with the pulley, and the pulley is driven by the driving force of the irregular turntable to drive the translation frame to slide along the drying frame. The position of the drying hood is adjusted during the sliding of the translation frame, and the drying hood sprays the gas used for drying to dry the culture medium material in the drying frame, so that the device can dry powders of different capacities. The drying mechanism cooperates with the pulley and the irregular turntable, so that the drying hood can flexibly adjust its position to ensure that the drying gas is evenly distributed in the drying frame, avoiding the uneven drying phenomenon in the traditional drying method, and improving the drying effect and product consistency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 A perspective view of the present invention;

[0023] Figure 2 is a side view of the present invention;

[0024] Figure 3 It is an internal schematic diagram of the present invention;

[0025] Figure 4 is a cross-sectional view of the feeding mechanism of the present invention;

[0026] Figure 5 It is a side view of the feeding mechanism of the present invention;

[0027] Figure 6 It is a side view of the drying mechanism of the present invention;

[0028] Figure 7 It is a flow chart of the present invention.

[0029] In the figure: 1, casing; 2, air supply hose; 3, support frame; 4, air intake duct; 5, heating fan; 6, heating table; 7, sealing door; 8, exhaust duct; 9, feed duct; 10, pump body; 11, extraction duct; 12, feed mechanism; 1201, feed casing; 1202, length plate; 1203, lifting cylinder; 1204, delivery bucket; 1205, servo motor; 1206, displacement rod; 1207, displacement block; 1208, screw; 1209, angle seat; 1210, extrusion plate; 1211, crushing teeth; 1212, height rod; 13, active umbrella-shaped bevel gear; 14, driven umbrella-shaped bevel gear; 15, stepper motor; 16, motor base; 17, lead screw; 18, movable block; 19, feed cover; 20, conveying hose; 21, drying mechanism; 211, drying rack; 212, vertical plate; 213, telescopic rod with spring; 214, translation rack; 215, drying cover; 216, connecting block; 217, assembly column; 218, pulley; 219, irregular turntable; 22, drying frame; 23, connecting spring; 24, limit plate. DETAILED DESCRIPTION

[0030] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 7The present invention provides a microbial culture medium powder preparation device, comprising a casing 1, a screw rod 17 is rotatably connected to the top of the inner wall of the casing 1, a movable block 18 is threadedly connected to the casing 1 in the middle of the screw rod 17, a feed cover 19 is fixedly connected to the bottom of the movable block 18, a feed mechanism 12 is fixedly installed on one side of the top of the casing 1, a pump body 10 is fixedly installed on the other side of the top of the casing 1, a drying mechanism 21 is fixedly installed on the bottom ends of both sides of the inner wall of the casing 1, a drying frame 22 is arranged inside the casing 1, and a limit plate 24 is fixedly installed on the middle of both sides of the inner wall of the casing 1, and the bottom ends of the two limit plates 24 are fixedly installed Connecting spring 23, the bottom ends of the two connecting springs 23 are respectively fixedly connected to the two sides of the top of the drying frame 22, the feeding mechanism 12 includes a feeding casing 1201 and a delivery bucket 1204, the bottom end of the delivery bucket 1204 is fixedly connected to the top of the feeding casing 1201, the drying mechanism 21 includes a drying rack 211 and a vertical plate 212, the middle part of the side of the drying rack 211 is fixedly connected to the end of the vertical plate 212, the two ends of the side of the drying rack 211 are slidably connected with a translation frame 214, the sides of the two translation frames 214 are fixedly installed with connecting blocks 216, and the ends of the two connecting blocks 216 are fixedly installed with drying covers 215.

[0032] An angle seat 1209 is fixedly installed on the side of the inner wall of the feed casing 1201, and an extrusion plate 1210 is rotatably connected inside the angle seat 1209. A screw 1208 is rotatably connected to the top end between the feed casing 1201 and the angle seat 1209. A displacement rod 1206 is fixedly installed on the bottom end between the feed casing 1201 and the angle seat 1209. A displacement block 1207 slidably connected to the displacement rod 1206 is threadedly connected to the middle part of the screw 1208. A height rod 1212 is fixedly installed on the top of the displacement block 1207. The top of the height rod 1212 is connected to the side opposite to the extrusion plate 1210. A lifting cylinder 1203 is fixedly installed on the side of the top of the feed casing 1201. A length plate 1202 is fixedly installed on the movable end of the lifting cylinder 1203. A plurality of crushing teeth 1211 are fixedly installed on the surface of the length plate 1202 and the surface of the extrusion plate 1210. A servo motor 1205 for driving the screw 1208 to rotate is fixedly installed on the surface of 201. The servo motor 1205 starts after being powered on, and drives the screw 1208 to rotate. The thread on the surface of the screw 1208 matches the thread on the inner wall of the displacement block 1207. The displacement block 1207 is limited by the displacement rod 1206 which matches the shape and size, so the displacement block 1207 slides along the screw 1208. The displacement block 1207 drives the height rod 1212 to push the extrusion plate 1210 from the bottom, so that the extrusion plate 1210 is deflected along the angle seat 1209, and the lifting cylinder 1203 performs telescopic movement. The lifting cylinder 1203 drives the length plate 1202 to move synchronously to adjust the height of the length plate 1202. The length plate 1202 and the extrusion plate 1210 cooperate with each other to drive the crushing teeth 1211 to crush the culture medium powder raw material.

[0033] The bottom end of the feed casing 1201 is fixedly connected to the casing 1 , and the feed mechanism 12 is installed on the casing 1 through the feed casing 1201 .

[0034] The opposite sides of the two connecting blocks 216 are rotatably connected with pulleys 218, and the middle part of the drying rack 211 away from the side of the vertical plate 212 is fixedly installed with an assembly column 217, and the middle part of the assembly column 217 is rotatably connected with an irregular turntable 219, and the two ends of the irregular turntable 219 are respectively contacted and connected with the side opposite to the two pulleys 218, and the two sides of the vertical plate 212 are fixedly installed with spring-loaded telescopic rods 213, and the fixed ends of the two spring-loaded telescopic rods 213 are respectively fixedly connected with the side opposite to the two translation frames 214, and an external motor drives the irregular turntable 219 to rotate, and the irregular turntable 219 contacts the pulley 218. The pulley 218 is driven by the irregular turntable 219 to drive the translation frame 214 to slide along the drying rack 211. During the sliding process of the translation frame 214, the position of the drying hood 215 is adjusted, and the drying hood 215 sprays the gas used for drying to dry the culture medium material in the drying frame 22.

[0035] The surface of the drying rack 211 is fixedly connected to the casing 1 , and the drying mechanism 21 is installed in the casing 1 through the drying rack 211 .

[0036] A motor base 16 is fixedly installed on the top of the side of the casing 1, and a stepper motor 15 is fixedly installed on the top of the motor base 16. An active umbrella-shaped bevel gear 13 is fixedly installed on the output end of the stepper motor 15, and a driven umbrella-shaped bevel gear 14 extending to the outside is fixedly installed on the end of the screw rod 17. The outer side of the active umbrella-shaped bevel gear 13 is meshed and connected with the outer side of the driven umbrella-shaped bevel gear 14. The stepper motor 15 is started after being energized, and the stepper motor 15 drives the active umbrella-shaped bevel gear 13 to rotate. The active umbrella-shaped bevel gear 13 contacts the driven umbrella-shaped bevel gear 14, and the driven umbrella-shaped bevel gear 14 drives the screw rod 17 to rotate. The thread on the surface of the screw rod 17 matches the thread on the inner wall of the movable block 18. The movable block 18 is limited by the casing 1 whose shape and size match each other, so the movable block 18 slides along the screw rod 17, and the feeding position of the feed cover 19 is adjusted during the sliding process of the movable block 18.

[0037] Support frames 3 are fixedly installed on both sides of the bottom end of the casing 1, a heating platform 6 is fixedly installed between the two support frames 3, a heating fan 5 is fixedly installed on the top of the heating platform 6, the air inlet of the heating fan 5 is fixedly connected to the air inlet pipe 4, the air outlet of the heating fan 5 is fixedly connected to two air supply hoses 2 extending to the inside of the drying mechanism 21, the end of the casing 1 is fixedly connected to the exhaust pipe 8, and a sealing door 7 is hinged on the surface of the casing 1. The heating fan 5 is started after being powered on, and the heating fan 5 draws gas from the external environment through the air inlet pipe 4. The extracted gas is heated by the heating fan 5 and then the high-temperature gas is transported to the drying mechanism 21 through the air supply hose 2, so as to dry the culture medium raw materials in the casing 1, and the gas in the casing 1 is discharged to the outside through the exhaust pipe 8.

[0038] The inlet of the pump body 10 is fixedly connected to an extraction pipe 11 extending to the interior of the feeding mechanism 12, the outlet of the pump body 10 is fixedly connected to a feeding pipe 9, the end of the feeding pipe 9 away from the pump body 10 is fixedly connected to a conveying hose 20, the end of the conveying hose 20 away from the feeding pipe 9 is fixedly connected to the end opposite to the feeding cover 19, the pump body 10 is started after being powered on, the pump body 10 extracts the culture medium raw materials in the feeding mechanism 12 through the extraction pipe 11, and the extracted raw materials are transported to the conveying hose 20 through the feeding pipe 9 and then transported to the feeding cover 19.

[0039] The preparation method of a microbial culture medium powder preparation device of the present invention comprises the following steps:

[0040] Step 1: material crushing: prepare the microbial culture medium powder raw material and put it into the feeding mechanism 12, and the crushing teeth 1211 on the extrusion plate 1210 and the length plate 1202 cooperate with each other to crush the microbial culture medium powder raw material;

[0041] Step 2: Material feeding: The pump body 10 extracts the crushed material in the feeding mechanism 12 through the extraction pipe 11, and the extracted material is transported to the feeding cover 19 through the feeding pipe 9 and the conveying hose 20. The feeding cover 19 transports the microbial culture medium powder raw material to the drying frame 22;

[0042] Step 3: Material drying: The drying mechanism 21 and the heating fan 5 cooperate with each other to dry the microbial culture medium powder raw material put into the drying frame 22;

[0043] Step 4: Taking out materials for storage: Open the sealed door 7 to take out the microbial culture medium powder in the drying frame 22, and seal it at low temperature for storage.

[0044] In the present invention, the powder raw material of the prepared microbial culture medium is put into the feeding mechanism 12, the crushing teeth 1211 on the extrusion plate 1210 and the length plate 1202 cooperate with each other to crush the powder raw material of the microbial culture medium, and the servo motor 1205 is powered on and started, and the servo motor 1205 drives the screw 1208 to rotate, and the threads on the surface of the screw 1208 match the threads on the inner wall of the displacement block 1207. The displacement block 1207 is limited by the displacement rod 1206 whose shape and size match each other, so the displacement block 1207 slides along the screw 1208, and the displacement block 1207 drives the height rod 121 2 pushes the extrusion plate 1210 from the bottom, so that the extrusion plate 1210 deflects along the angle seat 1209, the lifting cylinder 1203 performs telescopic movement, the lifting cylinder 1203 drives the length plate 1202 to perform synchronous movement, and adjusts the height of the length plate 1202. The length plate 1202 and the extrusion plate 1210 cooperate with each other to drive the crushing teeth 1211 to crush the culture medium powder raw material. The pump body 10 extracts the crushed material in the feeding mechanism 12 through the extraction pipe 11, and the extracted material is transported to the feeding cover 19 through the feeding pipe 9 and the conveying hose 20. The feeding cover 19 transfers the microorganism culture medium powder raw material to the feeding cover 19. The culture medium powder raw material is transported to the drying frame 22, and the pump body 10 is started after being powered on. The pump body 10 extracts the culture medium raw material in the feeding mechanism 12 through the extraction pipe 11, and the extracted raw material is transported to the conveying hose 20 through the feeding pipe 9 and transported to the feeding cover 19. The drying mechanism 21 and the heating fan 5 cooperate with each other to dry the microbial culture medium powder raw material put into the drying frame 22. The external motor drives the irregular turntable 219 to rotate, and the irregular turntable 219 contacts the pulley 218. The pulley 218 is driven by the irregular turntable 219 to drive the translation frame 214 to slide along the drying frame 211. During the sliding process of the translation frame 214, the position of the drying hood 215 is adjusted, and the drying hood 215 sprays out the gas used for drying to dry the culture medium material in the drying frame 22. The heating fan 5 is started after being powered on, and the heating fan 5 draws gas from the external environment through the air inlet pipe 4. The drawn gas is heated by the heating fan 5 and the high-temperature gas is transported to the drying mechanism 21 through the air supply hose 2 to dry the culture medium raw material in the casing 1. The gas in the casing 1 is discharged to the outside through the exhaust pipe 8. The sealing door 7 is opened to take out the microbial culture medium powder in the drying frame 22, and it is sealed and stored at a low temperature.

[0045] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to 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 should be included in the protection scope of the present invention.

Claims

1. A device for preparing microbial culture medium powder, characterized in that: It includes: A casing (1), a screw rod (17) is rotatably connected inside the casing (1), a middle portion of the screw rod (17) is threadedly connected to a movable block (18) slidably connected to the casing (1), and a bottom end of the movable block (18) is fixedly connected to a feed cover (19); A feeding mechanism (12) is fixedly mounted on one side of the casing (1), and a pump body (10) is fixedly mounted on the other side of the casing (1); A drying mechanism (21) is fixedly mounted at the bottom ends of both sides of the inner wall of the casing (1), a drying frame (22) is arranged inside the casing (1), and a limit plate (24) is fixedly mounted at the middle of both sides of the inner wall of the casing (1), and a connecting spring (23) is fixedly mounted at the bottom ends of the two limit plates (24), and the bottom ends of the two connecting springs (23) are respectively fixedly connected to both sides of the top of the drying frame (22); The feeding mechanism (12) comprises a feeding casing (1201) and a delivery bucket (1204), wherein the bottom end of the delivery bucket (1204) is fixedly connected to the top end of the feeding casing (1201), and the drying mechanism (21) comprises a drying frame (211) and a vertical plate (212); The middle part of the drying rack (211) is fixedly connected to the end of the vertical plate (212), and both ends of the drying rack (211) are slidably connected to translation racks (214), and the two translation racks (214) are fixedly installed with connection blocks (216), and the ends of the two connection blocks (216) are fixedly installed with drying covers (215).

2. A microbial culture medium powder preparation device according to claim 1, characterized in that: An angle seat (1209) is fixedly installed on the inner wall of the feed casing (1201), and an extrusion plate (1210) is rotatably connected inside the angle seat (1209). A screw rod (1208) is rotatably connected at the top end between the feed casing (1201) and the angle seat (1209), and a displacement rod (1206) is fixedly installed at the bottom end between the feed casing (1201) and the angle seat (1209). A displacement block (1207) slidably connected to the displacement rod (1206) is threadedly connected to the middle part of the screw rod (1208), and the top end of the displacement block (1207) A height rod (1212) is fixedly installed, and the top end of the height rod (1212) is connected to the side directly opposite to the extrusion plate (1210). A lifting cylinder (1203) is fixedly installed on the top of the feed casing (1201), and a length plate (1202) is fixedly installed on the movable end of the lifting cylinder (1203). A plurality of crushing teeth (1211) are fixedly installed on the surface of the length plate (1202) and the surface of the extrusion plate (1210). A servo motor (1205) for driving the screw (1208) to rotate is fixedly installed on the surface of the feed casing (1201).

3. A microbial culture medium powder preparation device according to claim 1, characterized in that: The bottom end of the feed casing (1201) is fixedly connected to the casing (1).

4. A device for preparing microbial culture medium powder according to claim 1, characterized in that: The two connecting blocks (216) are rotatably connected to pulleys (218); an assembly column (217) is fixedly installed in the middle of the drying rack (211) away from the vertical plate (212); an irregular turntable (219) is rotatably connected in the middle of the assembly column (217); two ends of the irregular turntable (219) are respectively in contact with and connected to the sides directly opposite to the two pulleys (218); spring-loaded telescopic rods (213) are fixedly installed on both sides of the vertical plate (212); and the fixed ends of the two spring-loaded telescopic rods (213) are respectively fixedly connected to the two translation frames (214).

5. A device for preparing microbial culture medium powder according to claim 1, characterized in that: The surface of the drying rack (211) is fixedly connected to the casing (1).

6. A device for preparing microbial culture medium powder according to claim 1, characterized in that: A motor base (16) is also installed at the top of the housing (1), a stepper motor (15) is fixedly installed at the top of the motor base (16), an active umbrella-shaped bevel gear (13) is fixedly installed at the output end of the stepper motor (15), a driven umbrella-shaped bevel gear (14) extending to the outside is fixedly installed at the end of the screw rod (17), and the outer side of the active umbrella-shaped bevel gear (13) is meshingly connected with the outer side of the driven umbrella-shaped bevel gear (14).

7. A device for preparing microbial culture medium powder according to claim 1, characterized in that: Support frames (3) are fixedly mounted on both sides of the bottom end of the casing (1); a heating platform (6) is fixedly mounted between the two support frames (3); a heating fan (5) is fixedly mounted on the top end of the heating platform (6); an air inlet of the heating fan (5) is fixedly connected to an air inlet duct (4); an air outlet of the heating fan (5) is fixedly connected to two air supply hoses (2) extending to the interior of a drying mechanism (21); an end of the casing (1) is fixedly connected to an exhaust duct (8); and a sealing door (7) is hinged on the surface of the casing (1).

8. A device for preparing microbial culture medium powder according to claim 1, characterized in that: The inlet of the pump body (10) is fixedly connected to an extraction pipe (11) extending to the interior of the feed mechanism (12); the outlet of the pump body (10) is fixedly connected to a feed pipe (9); the end of the feed pipe (9) away from the pump body (10) is fixedly connected to a delivery hose (20); the end of the delivery hose (20) away from the feed pipe (9) is fixedly connected to an end directly opposite to the feed cover (19).

9. The method for preparing a microbial culture medium powder preparation device according to any one of claims 1 to 8, characterized in that: The following steps are involved: Step 1, material crushing: preparing a microbial culture medium powder raw material and feeding it into the feeding mechanism (12), and the crushing teeth (1211) on the extrusion plate (1210) and the length plate (1202) cooperate with each other to crush the microbial culture medium powder raw material; Step 2: Material feeding: The pump body (10) extracts the crushed material in the feeding mechanism (12) through the extraction pipe (11), and the extracted material is transported to the feeding cover (19) through the feeding pipe (9) and the conveying hose (20), and the feeding cover (19) transports the microbial culture medium powder raw material to the drying frame (22); Step 3: material drying: the drying mechanism (21) and the heating fan (5) cooperate with each other to dry the microbial culture medium powder raw material put into the drying frame (22); Step 4: Taking out materials for storage: Open the sealed door (7) to take out the microbial culture medium powder in the drying frame (22), and seal it and store it at low temperature.

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