Centrifugal separator for food detection

Abstract

The utility model relates to the technical field of food detection, and discloses a food detection centrifugal separator which comprises a shell, a clamping structure rotationally arranged in the shell and a driving assembly for driving the clamping structure to rotate, the clamping structure comprises a base, the base is circular, and the base is installed on the driving assembly; the multiple limiting assemblies are arranged in the circumferential direction of the base at equal intervals; the limiting assembly comprises a cylinder which is fixedly mounted on the base; the multiple clamping jaws are arranged in the circumferential direction of the cylinder at equal intervals; the displacement part is used for driving the plurality of clamping jaws to be close to or far away from the axis direction of the cylinder at the same time, so that test tubes with different sizes can be placed on the same clamping structure, and the food detection efficiency is improved to a certain extent.

Description

Technical Field

[0001] The present application relates to the technical field of food testing, and in particular to a food testing centrifugal separator. Background Art

[0002] Food safety testing is to detect harmful substances in food according to national indicators, mainly some harmful and toxic indicators, such as heavy metals, aflatoxin, etc. The extraction and separation of nutrients or pollutants in the food testing process requires the use of a centrifuge. The centrifuge includes a shell, a clamping structure rotatably arranged in the shell for placing a test tube, and a driving component that drives the clamping structure to rotate.

[0003] However, in the process of implementing the relevant technical solutions, it was found that at least the following technical problems exist: the sizes of the test tubes that can be placed in the clip-on structure are the same. During the food testing process, when test tubes of other sizes are needed for centrifugation, the entire clip-on structure needs to be replaced, which is time-consuming and labor-intensive, and affects the efficiency of food testing to a certain extent. Utility Model Content

[0004] The present application provides a food testing centrifugal separator, which solves the technical problem in the prior art that the test tubes that can be placed in the clamping structure have the same size. When test tubes of other sizes are needed for centrifugation, the entire clamping structure needs to be replaced, which is time-consuming and labor-intensive, and affects the efficiency of food testing to a certain extent. The application realizes that the same clamping structure can be used to place test tubes of different sizes, thereby improving the efficiency of food testing to a certain extent.

[0005] The present application provides a food inspection centrifugal separator, comprising a shell, a clamping structure rotatably arranged in the shell, and a driving assembly driving the clamping structure to rotate, wherein the clamping structure comprises: a base, the base is circular, and the base is installed on the driving assembly; a limiting assembly, a plurality of the limiting assemblies are arranged at equal intervals along the circumference of the base; the limiting assembly comprises: a cylinder, the cylinder is fixedly mounted on the base; claws, a plurality of the claws are arranged at equal intervals along the circumference of the cylinder; a displacement member, which is used to drive the plurality of claws to approach or move away from the axial center line direction of the cylinder at the same time.

[0006] Furthermore, the displacement member includes: a transmission plate, a mounting chamber is provided inside the cylinder, the annular transmission plate is rotatably arranged in a position near the bottom end of the mounting chamber, the claw is located in the mounting chamber, a through hole communicating with the interior of the mounting chamber is provided at a position opposite to the inner ring of the cylinder and the claw, and the claw is slidably fitted with the through hole; a helical tooth is fixedly mounted on the top surface of the transmission plate, the helical tooth is coaxially arranged with the transmission plate, a tooth groove is provided at the bottom end of the claw, and a plurality of the claws are meshed with the corresponding positions of the helical teeth; and a power member is used to drive the transmission plate to rotate.

[0007] Furthermore, the power component includes: a connecting rod, located below the transmission plate, the connecting rod is rotatably connected to the cylinder, one end of the connecting rod is located in the installation chamber, and the other end of the connecting rod is located outside the cylinder; a transmission gear, fixedly installed at the end of the connecting rod located in the installation chamber, the transmission gear is coaxially arranged with the connecting rod, the transmission plate is a gear plate, and the transmission gear is meshed with the bottom surface of the transmission plate.

[0008] Furthermore, the clamping structure also includes a driving member that drives multiple connecting rods of the limiting assemblies to rotate simultaneously, and the driving member includes: a first bevel gear, the axis lines of the multiple connecting rods are all facing the axis line of the base, the multiple first bevel gears correspond one by one to the positions of the multiple connecting rods, and the first bevel gear is fixedly connected to the end of the connecting rod at the corresponding position away from the installation chamber; a support rod, which is coaxially arranged with the base, and the support rod is rotatably connected to the base; a second bevel gear, which is coaxially arranged with the support rod, and the second bevel gear is fixedly installed on the support rod, and the multiple first bevel gears are meshed with the corresponding positions of the second bevel gear; a handle, which is fixedly installed on the top of the support rod.

[0009] Furthermore, the height of the cylinder is slightly smaller than the height of the test tube, and the height of the claw is slightly smaller than the height of the cylinder.

[0010] Furthermore, ends of the plurality of claws close to the axis of the cylinder are fixedly connected with flexible gaskets.

[0011] The technical solution provided by this application has at least the following technical effects or advantages:

[0012] The use of the limiting component effectively solves the technical problem in the prior art that the test tubes that can be placed in the clamping structure have the same size. When test tubes of other sizes are needed for centrifugation, the entire clamping structure needs to be replaced, which is time-consuming and labor-intensive, and affects the efficiency of food testing to a certain extent. As a result, the same clamping structure can be used to place test tubes of different sizes, thereby improving the efficiency of food testing to a certain extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view of the centrifugal separator in the embodiment of the present application;

[0014] Figure 2 Schematic diagram of the internal structure of the installation chamber in the embodiment of the present application;

[0015] Figure 3 for Figure 2 A partial enlarged view of the middle A;

[0016] Figure 4 This is a schematic diagram of the installation structure of the transmission gear in the embodiment of the present application;

[0017] In the figure: 1. base; 2. limit assembly; 21. cylinder; 211. installation chamber; 22. claw; 23. displacement member; 231. transmission plate; 232. spiral teeth; 24. power member; 241. connecting rod; 242. transmission gear; 25. driving member; 251. first bevel gear; 252. support rod; 253. second bevel gear; 254. handle; 3. flexible gasket. DETAILED DESCRIPTION

[0018] The embodiment of the present application discloses a food inspection centrifugal separator, in which a clamping structure is rotatably arranged in a shell and a driving assembly is driven to rotate the clamping structure, wherein the clamping structure comprises: a base 1, which is circular and mounted on the driving assembly; a limiting assembly 2, wherein a plurality of limiting assemblies 2 are arranged at equal intervals along the circumference of the base 1; the limiting assembly 2 comprises: a cylinder 21, which is fixedly mounted on the base 1; claws 22, wherein a plurality of claws 22 are arranged at equal intervals along the circumference of the cylinder 21; a displacement member 23, which is used to drive the plurality of claws 22 to approach or move away from the axis of the cylinder 21 at the same time, thereby realizing that the same clamping structure can hold test tubes of different sizes, thereby improving the efficiency of food inspection to a certain extent.

[0019] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0020] Reference Figure 1 , Figure 2 A food inspection centrifugal separator includes a clamping structure rotatably arranged in a shell, and a driving assembly driving the clamping structure to rotate. The clamping structure includes a circular base 1 installed on the driving assembly, and a limiting assembly 2 for limiting the position of test tubes of different sizes. The limiting assembly 2 is arranged on the base 1, and multiple limiting assemblies 2 are arranged at equal intervals along the circumference of the base 1. The driving assembly drives the base 1 to rotate, thereby driving the limiting assembly 2 to rotate to achieve centrifugation.

[0021] Reference Figure 1-Figure 3The limit assembly 2 includes a cylinder 21, a plurality of claws 22, and a displacement member 23 that drives the plurality of claws 22 to move toward or away from the axis of the cylinder 21 at the same time. The cylinder 21 is fixedly mounted on the base 1. An installation chamber 211 is provided inside the cylinder 21. The claws 22 are located in the installation chamber 211. The plurality of claws 22 are arranged at equal intervals along the circumference of the cylinder 21. A through hole communicating with the interior of the installation chamber 211 is provided at a position opposite to the inner ring of the cylinder 21 and the claws 22. The claws 22 slide in contact with the through hole to limit the moving direction of the claws 22. A limit plate is fixedly mounted on both sides of the claws 22 on the top surface of the installation chamber 211. The claws 22 slide in contact with the limit plates at the corresponding positions. , limiting the moving direction of the claw 22, so that the moving direction of the claw 22 passes through the axis of the cylinder 21, the height of the cylinder 21 is slightly smaller than the height of the test tube, the height of the claw 22 is slightly smaller than the height of the cylinder 21, increasing the contact area with the test tube, and better limiting the test tube, the ends of multiple claws 22 close to the axis of the cylinder 21 are fixedly connected with flexible gaskets 3, increasing the friction between the test tube and the test tube, better limiting the test tube, and at the same time, when the claws 22 fix the test tube, buffering is performed to prevent damage to the test tube. When limiting the test tube, the test tube is inserted into the inner ring of the cylinder 21, and multiple claws 22 move toward the test tube at the same time until the flexible gasket 3 fits with the test tube to clamp and limit the test tube.

[0022] Reference Figure 1-Figure 3 The displacement member 23 includes a ring-shaped transmission plate 231, which is rotatably arranged in the installation chamber 211 near the bottom end. A spiral tooth 232 is fixedly installed on the top surface of the transmission plate 231. The spiral tooth 232, the transmission plate 231 and the cylinder 21 are coaxially arranged. Tooth grooves are provided at the bottom ends of the plurality of claws 22, and the plurality of claws 22 are meshed with the spiral teeth 232 at corresponding positions. A power member 24 for driving the transmission plate 231 to rotate is arranged on the bottom surface of the transmission plate 231. The power member 24 drives the transmission plate 231 to rotate, and the rotation of the transmission plate 231 drives the spiral teeth 232 to rotate, so that the plurality of claws 22 simultaneously approach or move away from the axis direction of the cylinder 21.

[0023] Reference Figure 4 The power member 24 includes a connecting rod 241 and a transmission gear 242. The connecting rod 241 is located below the transmission plate 231. The connecting rod 241 is rotatably connected to the outer side of the cylinder 21. One end of the connecting rod 241 is located in the installation chamber 211, and the other end of the connecting rod 241 is located outside the cylinder 21. The transmission gear 242 is fixedly installed at the end of the connecting rod 241 located in the installation chamber 211. The transmission gear 242 is coaxially arranged with the connecting rod 241. The transmission plate 231 is a gear plate. The gear is meshed with the bottom surface of the transmission plate 231. The transmission gear 242 is driven to rotate through the connecting rod 241, thereby driving the transmission plate 231 to rotate.

[0024] Reference Figure 1 , Figure 2 , Figure 4 The clamping structure also includes a driving member 25 that drives the connecting rods 241 of the plurality of limit assemblies 2 to rotate simultaneously. The driving member 25 includes a first bevel gear 251, a support rod 252, and a second bevel gear 253. The axis lines of the plurality of connecting rods 241 are all toward the axis line of the base 1. The plurality of first bevel gears 251 correspond to the plurality of connecting rods 241 in one-to-one position. The plurality of first bevel gears 251 are coaxially arranged with the connecting rods 241 at the corresponding positions. The first bevel gear 251 is fixedly connected to the end of the connecting rod 241 at the corresponding position away from the installation chamber 211. The support rod 252 is coaxially arranged with the base 1. The support rod 252 is rotatably connected with the base 1. The second bevel gear 253 is coaxially arranged with the support rod 252, the second bevel gear 253 is fixedly mounted on the support rod 252, and the plurality of first bevel gears 251 are meshed with the corresponding positions of the second bevel gears 253. Rotating the support rod 252 drives the second bevel gear 253 to rotate, thereby driving the plurality of first bevel gears 251 to rotate at the same time, thereby controlling the plurality of claws 22 of the plurality of driving assemblies to clamp and limit the test tubes at the same time, which is convenient for the experimenters to use and saves time. The top surfaces of the plurality of cylinders 21 are provided with cover plates, and the top surfaces of the plurality of cylinders 21 are fixedly connected with the corresponding positions of the cover plates. The top end of the support rod 252 passes through the cover plate and is fixedly mounted with a handle 254, which is convenient for rotating the support rod 252.

[0025] The working principle of the embodiment of the present application is as follows: when a centrifugal separator is needed for food testing, a test tube is placed into the inner circle of the cylinder 21, at which time the bottom end of the test tube is fitted with the base 1, and the support rod 252 is rotated by the handle 254. The rotation of the support rod 252 drives the second bevel gear 253 to rotate, and the rotation of the second bevel gear 253 drives the plurality of first bevel gears 251 to rotate simultaneously, and the rotation of the plurality of first bevel gears 251 drives the plurality of connecting rods 241 to rotate simultaneously, and the rotation of the plurality of connecting rods 241 drives the transmission gear 242 to rotate, and the rotation of the plurality of transmission gears 242 drives the transmission plates 231 at corresponding positions to rotate, thereby driving the helical teeth 232 at corresponding positions to rotate, and the rotation of the helical teeth 232 causes the plurality of claws 22 at corresponding positions to move toward the test tube at the same time, clamping and limiting the test tube, and by controlling the position of the claws 22, the centrifugal separator can be used to place test tubes of different sizes, without the need to replace the clamping structure as a whole, thereby improving the efficiency of food testing to a certain extent.

[0026] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

[0027] What has been described above is only a preferred specific implementation manner of the embodiments of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with the technical field can make equivalent substitutions or changes according to the technical scheme and concept of the present application within the technical scope disclosed in the present application, which should be covered by the protection scope of the present application.

Claims

1. A food inspection centrifugal separator, comprising a housing, a clamping structure rotatably disposed in the housing, and a driving assembly for driving the clamping structure to rotate, characterized in that: The card connection structure includes: A base (1), the base (1) is circular and is mounted on the driving assembly; A limiting assembly (2), wherein a plurality of the limiting assemblies (2) are arranged at equal intervals along the circumference of the base (1); The limiting component (2) comprises: A cylinder (21), wherein the cylinder (21) is fixedly mounted on the base (1); A plurality of claws (22) are arranged at equal intervals along the circumference of the cylinder (21); The displacement member (23) is used to drive the plurality of claws (22) to move toward or away from the axis of the cylinder (21) at the same time.

2. A food testing centrifugal separator as claimed in claim 1, characterized in that: The displacement member (23) comprises: A transmission plate (231), a mounting chamber (211) is provided inside the cylinder (21), the ring-shaped transmission plate (231) is rotatably arranged in a position close to the bottom end of the mounting chamber (211), the claw (22) is located in the mounting chamber (211), a through hole communicating with the inside of the mounting chamber (211) is provided at a position where the inner ring of the cylinder (21) and the claw (22) face each other, and the claw (22) is slidably fitted with the through hole; A helical tooth (232) is fixedly mounted on the top surface of the transmission plate (231), the helical tooth (232) and the transmission plate (231) are coaxially arranged, a tooth groove is provided at the bottom end of the clamping claw (22), and a plurality of the clamping claws (22) are meshed with corresponding positions of the helical tooth (232); The power member (24) is used to drive the transmission plate (231) to rotate.

3. A food testing centrifugal separator as claimed in claim 2, characterized in that: The power member (24) comprises: A connecting rod (241) is located below the transmission plate (231), the connecting rod (241) is rotatably connected to the cylinder (21), one end of the connecting rod (241) is located in the installation chamber (211), and the other end of the connecting rod (241) is located outside the cylinder (21); The transmission gear (242) is fixedly mounted on the end of the connecting rod (241) located in the mounting chamber (211); the transmission gear (242) is coaxially arranged with the connecting rod (241); the transmission plate (231) is a gear plate; and the transmission gear (242) is meshed with the bottom surface of the transmission plate (231).

4. A food testing centrifugal separator as claimed in claim 3, characterized in that: The clamping structure further comprises a driving member (25) for driving the connecting rods (241) of the plurality of the limiting assemblies (2) to rotate simultaneously, and the driving member (25) comprises: A first bevel gear (251), the axis lines of the plurality of connecting rods (241) all face the axis line of the base (1), the plurality of first bevel gears (251) correspond to the plurality of connecting rods (241) in one-to-one position, and the first bevel gear (251) is fixedly connected to the end of the connecting rod (241) at the corresponding position away from the installation chamber (211); A support rod (252) is coaxially arranged with the base (1), and the support rod (252) is rotatably connected to the base (1); A second bevel gear (253), the second bevel gear (253) is coaxially arranged with the support rod (252), the second bevel gear (253) is fixedly mounted on the support rod (252), and a plurality of the first bevel gears (251) are meshed with corresponding positions of the second bevel gear (253); The handle (254) is fixedly mounted on the top of the support rod (252).

5. A food testing centrifugal separator as claimed in claim 1, characterized in that: The height of the cylinder (21) is smaller than the height of the test tube, and the height of the claw (22) is smaller than the height of the cylinder (21).

6. A food testing centrifugal separator as claimed in claim 1, characterized in that: Ends of the plurality of claws (22) close to the axis of the cylinder (21) are all fixedly connected with flexible gaskets (3).

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