Medical microbial solid culture medium crushing device

Abstract

The utility model belongs to the technical field of solid culture media, and particularly relates to a medical microorganism solid culture medium smashing device which comprises a screening assembly, a dust absorption assembly is installed at the top of the screening assembly, and a smashing pre-separation assembly is installed at the top of the dust absorption assembly. The screening assembly comprises a shell, a sliding groove is fixedly connected to the interior of the shell, a sliding block is slidably connected to the interior of the sliding groove, a supporting frame is fixedly connected to the top of the sliding block, a rack is fixedly connected to the outer wall of the supporting frame, and the side of the rack is engaged with a first gear; the solid culture media passing through the primary screen are screened through the screen trays of different sizes, solid culture media of different sizes of particles can be produced at the same time, the servo motor is arranged to drive the screen to shake back and forth, the screening speed can be increased, and screen holes can be prevented from being blocked to a certain degree.

Description

Technical Field

[0001] The utility model relates to the technical field of solid culture medium, in particular to a medical microbial solid culture medium crushing device. Background Art

[0002] The culture medium that is solid at normal culture temperature is called solid culture medium. Solid culture medium can be divided into two categories: one is made of natural solid substances, such as potato pieces, bran, rice bran, bean cake powder, peanut cake powder, etc., which are commonly used in alcohol factories, breweries, etc.; the other is a culture medium made by adding a coagulant to a liquid, such as agar solid slant and solid plate culture medium commonly used in laboratories. This culture medium is widely used for the separation, identification, preservation, counting and observation of colony characteristics of microorganisms. A pulverizing device is required for the dispersion and pulverization of microbial solid culture medium preparation.

[0003] The patent with application number CN202121783722.0 records a microbial solid culture medium crushing device, which belongs to the technical field of microbial solid culture medium related devices, and includes a casing, an inner wall of the casing is equipped with a rotating shaft, an outer wall of the rotating shaft is welded with a spiral blade, the power input end of the rotating shaft is connected to the power output end of the motor, an ultraviolet lamp is installed on the upper part of the inner wall of the casing, the outer wall of the ultraviolet lamp is covered with a quartz sleeve, a limit strip is welded on the lower part of the inner wall of the casing, a filter is slidably connected to the inner wall of the limit strip, one end of the filter passes through the side groove at the lower part of the outer wall of the casing, and a side plate is welded at the end of the filter. The microbial solid culture medium crushing device of the utility model adopts a combination of steam sterilization and ultraviolet sterilization, and has good sterilization and disinfection effect. The microbial solid culture medium crushing device of the utility model can produce microbial solid culture medium particles of different volumes according to demand, and has high flexibility.

[0004] Most existing medical microbial solid culture medium pulverizing devices use a single screen for screening during pulverization. In actual use, solid culture media that require two different sizes or multiple different specifications of pulverized materials are usually encountered, so different pulverizing devices are required or screens of different sizes are replaced. The existing microbial solid culture medium pulverizing device proposes a screen that can be replaced with holes of different sizes for screening, but during use, when the screen is replaced, the inside of the pulverizing device needs to be cleaned to a certain extent, otherwise it will cause the solid culture media of different particle sizes to be mixed, which will have a certain impact on the cultivation of microorganisms, and a certain amount of powdered substances will be produced during the pulverization process, which will also cause a certain impact when mixed with the granular solid culture medium. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a medical microorganism solid culture medium pulverizing device which can simultaneously produce solid culture medium materials with particles of different sizes.

[0006] A medical microorganism solid culture medium pulverizing device comprises a screening component, a dust absorption component is installed on the top of the screening component, and a pulverizing pre-separation component is installed on the top of the dust absorption component;

[0007] The screening assembly includes an outer shell, the interior of which is fixedly connected to a slide groove with a slider slidably connected thereto, the top of the slider is fixedly connected to a support frame, the outer wall of the support frame is fixedly connected to a rack, the side of the rack is meshed with a first gear, the interior of the first gear is fixedly connected to a first rotating shaft with a first motor mounted on its end, a small sieve plate is fixedly connected to the interior of the support frame, a large sieve plate is arranged on the top of the small sieve plate, and a discharge hopper is arranged on the side of the large sieve plate.

[0008] Furthermore, the support frame forms a sliding structure through a slider, a slide groove and a shell, the slider and the support frame are integrated, and the small sieve plate and the large sieve plate are integrated with the support frame.

[0009] Furthermore, the first motor forms a transmission structure through a first gear, a rack and a support frame, the first gear and the rack are meshed with each other, and two first gears are symmetrically arranged about the horizontal center axis of the first rotating shaft.

[0010] Furthermore, the dust absorption assembly includes a connecting pipe, a cover is fixedly connected to the side of the connecting pipe, a dust extraction pipe is fixedly connected to the top of the cover, an exhaust fan is installed at the end of the dust extraction pipe, a dust outlet pipe is fixedly connected to the side of the exhaust fan, and a dust collecting bag is fixedly connected to the end of the dust outlet pipe.

[0011] Furthermore, the connecting pipe forms a communication structure with the dust extraction pipe through the cover, the dust extraction pipe forms a communication structure with the air extractor, and the air extractor forms a communication structure with the dust collecting bag through the dust outlet pipe.

[0012] Furthermore, the crushing pre-separation component includes a feed hopper, the bottom of which is fixedly connected to a support shell, a second motor is installed inside the support shell, the top of the second motor is rotatably connected to a second gear, the side of the second gear is meshed with a third gear, the interior of the third gear is fixedly connected to a second rotating shaft, the outer wall of the second rotating shaft is fixedly connected to a crushing knife, and a preliminary screen is provided at the bottom of the crushing knife.

[0013] Furthermore, the second motor forms a transmission structure through the second gear, the third gear, the second rotating shaft and the crushing knife, the second gear and the third gear are meshed with each other, the feed hopper and the support shell form a connecting structure, the support shell and the preliminary screen are integrated, and the crushing knife is made of cemented carbide.

[0014] The beneficial effects of the utility model are:

[0015] 1. The present application is provided with a screening component, and the solid culture medium material passing through the preliminary screen is screened by sieve plates of different sizes, so that solid culture medium with particles of different sizes can be produced at the same time, and a servo motor is provided to drive the screen to swing back and forth, which can speed up the screening speed and prevent the sieve holes from being blocked to a certain extent;

[0016] 2. The present application is provided with a dust absorption component, and a connecting pipe of an exhaust fan is installed at the bottom of the preliminary screen, which can absorb the tiny dust in the solid culture medium passing through the preliminary screen, so that the screened solid culture medium particles are more uniform;

[0017] 3. The present application is provided with a crushing pre-separation component, which is provided with two sets of carbide crushing knives. Carbide has a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance. In particular, its high hardness and wear resistance remain basically unchanged even at a temperature of 500°C, which can increase the service life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model as a whole viewed from the front;

[0019] Figure 2 It is a schematic diagram of the opening structure of the utility model as a whole;

[0020] Figure 3 This is a schematic diagram of the opening structure of the screening assembly of the utility model;

[0021] Figure 4 It is a three-dimensional structural schematic diagram of the dust absorption component of the utility model;

[0022] Figure 5 It is a schematic diagram of the cross-sectional structure of the crushing and pre-separation component of the utility model.

[0023] In the figure: 1. screening component; 2. dust absorption component; 3. crushing pre-separation component; 101. shell; 102. slide; 103. slider; 104. first rotating shaft; 105. first motor; 106. first gear; 107. rack; 108. support frame; 109. small sieve plate; 110. discharge hopper; 111. large sieve plate; 201. connecting pipe; 202. cover; 203. dust extraction pipe; 204. vacuum pump; 205. dust discharge pipe; 206. dust collecting bag; 301. feed hopper; 302. support shell; 303. second motor; 304. second gear; 305. third gear; 306. second rotating shaft; 307. crushing knife; 308. preliminary screen. DETAILED DESCRIPTION

[0024] The technical solution of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings and specific embodiments.

[0025] Embodiment 1: Figure 1 , 5 A medical microorganism solid culture medium pulverizing device is shown, which includes a screening component 1, a dust absorption component 2 is installed on the top of the screening component 1, and a pulverizing pre-separation component 3 is installed on the top of the dust absorption component 2; a slide groove 102 is fixedly connected to the inside of the outer shell 101, a slider 103 is slidably connected to the inside of the slide groove 102, a support frame 108 is fixedly connected to the top of the slider 103, a rack 107 is fixedly connected to the outer wall of the support frame 108, a first gear 106 is meshed on the side of the rack 107, a first rotating shaft 104 is fixedly connected to the inside of the first gear 106, and a first motor 105 is installed on the end of the first rotating shaft 104, a small sieve plate 109 is fixedly connected to the inside of the support frame 108, a large sieve plate 111 is arranged on the top of the small sieve plate 109, and a discharge hopper 110 is arranged on the side of the large sieve plate 111.

[0026] The support frame 108 forms a sliding structure with the slider 103, the slide groove 102 and the outer shell 101, and the slider 103 and the support frame 108 are integrated, and the small sieve plate 109 and the large sieve plate 111 are integrated with the support frame 108; the first motor 105 forms a transmission structure with the support frame 108 through the first gear 106 and the rack 107, the first gear 106 and the rack 107 are meshed with each other, and two first gears 106 are symmetrically arranged about the horizontal center axis of the first rotating shaft 104.

[0027] like Figure 4 As shown, the side of the connecting pipe 201 is fixedly connected with a cover 202, the top of the cover 202 is fixedly connected with a dust extraction pipe 203, the end of the dust extraction pipe 203 is installed with an exhaust fan 204, the side of the exhaust fan 204 is fixedly connected with a dust outlet pipe 205, and the end of the dust outlet pipe 205 is fixedly connected with a dust collecting bag 206; the connecting pipe 201 forms a connecting structure with the dust extraction pipe 203 through the cover 202, the dust extraction pipe 203 forms a connecting structure with the exhaust fan 204, and the exhaust fan 204 forms a connecting structure with the dust collecting bag 206 through the dust outlet pipe 205.

[0028] like Figure 5As shown, the bottom of the feed hopper 301 is fixedly connected to the support shell 302, the interior of the support shell 302 is provided with a second motor 303, the top of the second motor 303 is rotatably connected to the second gear 304, the side of the second gear 304 is meshed with a third gear 305, the interior of the third gear 305 is fixedly connected to the second rotating shaft 306, the outer wall of the second rotating shaft 306 is fixedly connected to a crushing knife 307, and the bottom of the crushing knife 307 is provided with a preliminary screen 308; the second motor 303 forms a transmission structure with the crushing knife 307 through the second gear 304, the third gear 305, the second rotating shaft 306, and the crushing knife 307, the second gear 304 and the third gear 305 are meshed with each other, the feed hopper 301 and the support shell 302 form a connecting structure, the support shell 302 and the preliminary screen 308 are integrated, and the material of the crushing knife 307 is preferably a cemented carbide material.

[0029] Working principle: first, the solid culture medium raw materials to be crushed are added into the support shell 302 through the feed hopper 301 on the top of the support shell 302, and the solid culture medium raw materials fall into the crushing knife 307 inside the support shell 302 through the feed hopper 301; turn on the second motor 303, and the second motor 303 drives the crushing knife 307 to rotate through the second gear 304, the third gear 305, and the second rotating shaft 306 to crush the solid culture medium raw materials. The material of the crushing knife 307 is preferably a hard alloy crushing knife with a series of excellent properties such as high hardness, wear resistance, good strength and toughness, heat resistance, and corrosion resistance; during the crushing process, after reaching a certain particle size, it will pass through the preliminary screen 308, and the unqualified ones will continue to be crushed in the support shell 302. In the process of passing through the preliminary screen 308 and entering the screening component 1, when passing through the connecting pipe 201, the crushing Turn on the vacuum pump 204, which collects some tiny dust into the dust bag 206 through the dust pipe 203 and the cover 202, so that the screened solid culture substrate particles are more uniform; the crushed particles after passing through the connecting pipe 201 will first fall on the large sieve plate 111 on the support frame 108, and at the same time, the first motor 105 at the bottom drives the first gear 106 to rotate through the first rotating shaft 104 at the top, and the first gear 106 drives the rack 107 to move in a circular motion, so as to achieve the effect of shaking the support frame 108 back and forth, and after being screened by the large sieve plate 111, they flow out from the discharge hopper 110, and the smaller ones fall into the small sieve plate 109 for screening and also flow out from the discharge hopper 110, and those screened by the small sieve plate 109 finally fall at the bottom of the support frame 108, and the user collects and processes them by opening the cabinet door on the side of the shell 101.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited to the above embodiments, and that the utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A medical microorganism solid culture medium crushing device, characterized in that: It comprises a screening component (1), a dust absorption component (2) is installed on the top of the screening component (1), and a crushing pre-separation component (3) is installed on the top of the dust absorption component (2); The screening assembly (1) comprises a housing (101), the interior of the housing (101) being fixedly connected with a slide groove (102) in which a slider (103) is slidably connected, the top of the slider (103) being fixedly connected with a support frame (108), the outer wall of the support frame (108) being fixedly connected with a rack (107), the side of the rack (107) being meshed with a first gear (106), the interior of the first gear (106) being fixedly connected with a first rotating shaft (104) having a first motor (105) mounted on its end, the interior of the support frame (108) being fixedly connected with a small sieve plate (109), the top of the small sieve plate (109) being provided with a large sieve plate (111), and the side of the large sieve plate (111) being provided with a discharge hopper (110).

2. The medical microorganism solid culture medium pulverizing device according to claim 1, characterized in that: The support frame (108) forms a sliding structure through a slider (103), a slide groove (102) and a housing (101); the slider (103) and the support frame (108) are integrated; and the small sieve plate (109) and the large sieve plate (111) are integrated with the support frame (108).

3. The medical microorganism solid culture medium pulverizing device according to claim 1, characterized in that: The first motor (105) forms a transmission structure through a first gear (106), a rack (107) and a support frame (108), and the first gear (106) and the rack (107) are meshed with each other.

4. The medical microorganism solid culture medium pulverizing device according to claim 3, characterized in that: Two first gears (106) are symmetrically arranged about the horizontal center axis of the first rotating shaft (104).

5. The medical microorganism solid culture medium pulverizing device according to claim 1, characterized in that: The dust absorption assembly (2) comprises a connecting pipe (201), a cover (202) is fixedly connected to the side of the connecting pipe (201), a dust extraction pipe (203) is fixedly connected to the top of the cover (202), an exhaust fan (204) is installed at the end of the dust extraction pipe (203), a dust outlet pipe (205) is fixedly connected to the side of the exhaust fan (204), and a dust collection bag (206) is fixedly connected to the end of the dust outlet pipe (205).

6. A medical microorganism solid culture medium pulverizing device according to claim 5, characterized in that: The connecting pipe (201) forms a communication structure with the dust extraction pipe (203) through the cover (202), the dust extraction pipe (203) forms a communication structure with the air extractor (204), and the air extractor (204) forms a communication structure with the dust collection bag (206) through the dust outlet pipe (205).

7. The medical microorganism solid culture medium pulverizing device according to claim 1, characterized in that: The crushing pre-separation component (3) includes a feed hopper (301), the bottom of the feed hopper (301) is fixedly connected to a support shell (302) in which a second motor (303) is installed, the top of the second motor (303) is rotatably connected to a second gear (304), the side of the second gear (304) is meshed with a third gear (305), the interior of the third gear (305) is fixedly connected to a second rotating shaft (306), and the outer wall of the second rotating shaft (306) is fixedly connected to a crushing knife (307) with a preliminary screen (308) at the bottom.

8. The medical microorganism solid culture medium pulverizing device according to claim 7, characterized in that: The second motor (303) forms a transmission structure through the second gear (304), the third gear (305), the second rotating shaft (306) and the crushing knife (307); the second gear (304) and the third gear (305) are meshed with each other; the feed hopper (301) and the support shell (302) form a communication structure; the support shell (302) and the preliminary screen (308) are integrated.

9. The medical microorganism solid culture medium pulverizing device according to claim 8, characterized in that: The material of the crushing knife (307) is hard alloy.

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