Lead content detection equipment

Abstract

The utility model relates to lead content detection equipment which comprises an operation table, an atomic absorption spectrophotometer is installed on the top of the operation table, a controller is installed on the top of the operation table, a processing box is arranged on the top of the operation table, food enters the processing box through a feeding port, the food is smashed through a grinding mechanism, and the lead content is detected through the grinding mechanism. Crushed food falls into a screening plate, large particles are left, a first motor is started to drive a cam to rotate, so that the screening plate is lifted, two supporting springs pull down the screening plate, the process is repeated, the small particles are screened, a guide cone plays a role in separating the crushed food to fall on grids on the surface of the screening plate, and the food is crushed. The screening plate moves to drive the sliding rod to slide in the fixing plate, the stability is enhanced, crushed food is dried through the heating pipe and discharged through the discharging valve pipe, the dried crushed food is detected through the atomic absorption spectrophotometer, and meanwhile data are displayed on the controller.

Description

Technical Field

[0001] The utility model relates to the technical field of lead content detection equipment, in particular to lead content detection equipment. Background Art

[0002] Lead is harmful to the human body. Long-term accumulation in the body will cause chronic poisoning. Lead usually enters the human body through contaminated food. Lead contamination in food mainly exists in pollution during food processing; lead contamination in food packaging and storage containers; lead contamination of food caused by the environment; lead contamination of lead pesticides, etc. At present, the detection of lead in food generally uses graphite furnace atomic absorption spectrometry. When detecting granular foods such as grains or beans, it lacks the function of screening food, the grinding is not thorough enough, and there is no drying process. The bacteria on the surface of the food can easily cause the food in the plastic bottle to rot, affecting the test results.

[0003] A device for accurately detecting the content of lead (application number: 202220147555.9), comprising a device table and a rotating turntable arranged on the device table; a motor is installed in one side of the device table, and the output shaft of the motor is connected to the center of the bottom of the rotating turntable; a control panel is installed on the other side of the device table, and a detection device, a crushing device and a cleaning device are respectively arranged on both sides and one end of the rotating turntable, and the detection device, the crushing device and the cleaning device are all fixed on the device table. The utility model has a simple structure, is convenient for crushing food, detecting and cleaning the detection product cavity, and is easy to reuse, so that its detection speed is faster and the efficiency is improved.

[0004] The above patents lack the function of screening food, the grinding is not thorough enough, and there is no drying process. The bacteria on the surface of food can easily cause the food in the plastic bottle to rot, affecting the test results. Therefore, we need to provide a lead content detection device. Utility Model Content

[0005] The purpose of the utility model is to provide a lead content detection device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lead content detection device, comprising an operating table, an atomic absorption spectrophotometer is installed on the top of the operating table, a manipulator is installed on the top of the operating table, a processing box is arranged on the top of the operating table, a grinding mechanism for food crushing is installed inside the processing box, a screening mechanism for screening the crushed food is arranged at the bottom of the grinding mechanism, heating pipes are installed on both sides of the inner wall of the processing box, a feed inlet is opened on the top of the processing box, and a discharge valve pipe is connected to the bottom of the processing box;

[0007] The screening mechanism includes a fixed plate, a driving member, a supporting spring, a guide cone, a sliding rod and a screening plate. A fixed plate is fixedly installed inside the processing box, a screening plate is installed on the top of the fixed plate through two supporting springs, two sliding rods are installed on the bottom of the screening plate, the lower ends of the two sliding rods pass through the bottom of the fixed plate and extend, a driving member for floating the screening plate is installed on the top of the fixed plate, and a guide cone is fixedly installed on the top of the screening plate.

[0008] Preferably, the driving member comprises a first motor and a cam, the first motor is fixedly mounted on the top of the fixed plate, the output end of the first motor is mounted with a cam, and the surface of the cam is in contact with the bottom of the screening plate.

[0009] Preferably, balance bars are slidably mounted on both sides of the surface of the screening plate, and the balance bars are mounted on the inner wall of the processing box.

[0010] Preferably, the grinding mechanism includes a second motor, a rotating roller, a convex strip, a grinding roller and a groove. Two rotating rollers are rotatably installed inside the processing box. The surfaces of the two rotating rollers are movably sleeved with grinding rollers. The rear ends of the two rotating rollers pass through the back of the processing box and are installed with the second motor. The surface of the rotating roller is integrally machined with two convex strips, and the inside of the grinding roller is provided with a groove that matches the convex strip.

[0011] Preferably, a cabinet door is hinged on the front of the processing box, and a circular groove matching the rotating roller is opened on the surface of the cabinet door.

[0012] Preferably, a feed hopper is installed on the top of the feed port, and guide plates are installed on both sides of the inner wall of the processing box.

[0013] Preferably, inclined plates are installed on both sides of the inner wall of the processing box, and the two inclined plates are arranged on the top of the heating tube.

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

[0015] The utility model allows food to enter a processing box through a feed inlet, and is crushed by a grinding mechanism. The crushed food falls into a screening plate, leaving larger particles. The first motor is started to drive a cam to rotate, thereby lifting the screening plate, and two supporting springs pull the screening plate down, and reciprocate to screen smaller particles. The guide cone is used to separate the crushed food into grids on the surface of the screening plate. The movement of the screening plate drives the slide bar to slide in the fixed plate to enhance stability. The crushed food is dried by a heating tube and discharged through a discharge valve tube. The dried food scraps are detected by an atomic absorption spectrophotometer, and the data are displayed on a manipulator at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the processing box of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the screening mechanism of the utility model;

[0019] Figure 4 It is a three-dimensional diagram of the grinding mechanism of the utility model.

[0020] In the figure: 1. operating table; 2. atomic absorption spectrophotometer; 3. manipulator; 4. processing box; 5. grinding mechanism; 51. second motor; 52. rotating roller; 53. convex strip; 54. grinding roller; 55. groove; 6. screening mechanism; 61. fixing plate; 62. driving member; 621. first motor; 622. cam; 63. supporting spring; 64. guide cone; 65. sliding rod; 66. screening plate; 7. heating tube; 8. feed port; 9. discharge valve tube; 10. balance bar; 11. cabinet door; 12. circular groove; 13. feed hopper; 14. guide plate; 15. inclined plate. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-4 The utility model provides a technical solution: a lead content detection device, comprising an operating table 1, an atomic absorption spectrophotometer 2 is installed on the top of the operating table 1, a manipulator 3 is installed on the top of the operating table 1, a processing box 4 is arranged on the top of the operating table 1, a grinding mechanism 5 for food crushing is installed inside the processing box 4, a screening mechanism 6 for screening the crushed food is arranged at the bottom of the grinding mechanism 5, heating pipes 7 are installed on both sides of the inner wall of the processing box 4, a feed inlet 8 is opened on the top of the processing box 4, and a discharge valve pipe 9 is connected to the bottom of the processing box 4;

[0023] The screening mechanism 6 includes a fixed plate 61, a driving member 62, a supporting spring 63, a guide cone 64, a slide rod 65 and a screening plate 66. The fixed plate 61 is fixedly installed inside the processing box 4, and the screening plate 66 is installed on the top of the fixed plate 61 through two supporting springs 63. Two slide rods 65 are installed on the bottom of the screening plate 66. The lower ends of the two slide rods 65 pass through the bottom of the fixed plate 61 and extend. A driving member 62 for floating the screening plate 66 is installed on the top of the fixed plate 61, and a guide cone 64 is fixedly installed on the top of the screening plate 66.

[0024] The driving member 62 includes a first motor 621 and a cam 622. The first motor 621 is fixedly mounted on the top of the fixing plate 61. The cam 622 is mounted on the output end of the first motor 621. The surface of the cam 622 is in contact with the bottom of the screening plate 66.

[0025] It should be noted that the food enters the processing box 4 through the feed port 8, is crushed by the grinding mechanism 5, and the crushed food falls into the screening plate 66, leaving larger particles. The first motor 621 is started to drive the cam 622 to rotate, thereby lifting the screening plate 66, and the two supporting springs 63 pull the screening plate 66 down, and reciprocate in this way, so as to screen smaller particles, wherein the guide cone 64 serves to separate the crushed food into the grid on the surface of the screening plate 66, and the movement of the screening plate 66 drives the slide bar 65 to slide in the fixed plate 61 to enhance stability.

[0026] Balance bars 10 are slidably mounted on both sides of the surface of the screening plate 66, and the balance bars 10 are mounted on the inner wall of the processing box 4;

[0027] Specifically, when the screening plate 66 floats, it slides on the four balance bars 10 , thereby enhancing the balance of the floating screening plate 66 .

[0028] The grinding mechanism 5 includes a second motor 51, a rotating roller 52, a convex strip 53, a grinding roller 54 and a groove 55. Two rotating rollers 52 are rotatably installed inside the processing box 4. The surfaces of the two rotating rollers 52 are movably sleeved with the grinding rollers 54. The rear ends of the two rotating rollers 52 pass through the back of the processing box 4 and are installed with the second motor 51. The surface of the rotating roller 52 is integrally processed with two convex strips 53. The inside of the grinding roller 54 is provided with a groove 55 adapted to the convex strip 53.

[0029] In this embodiment, the second motor 51 is started to drive the output end rotating roller 52 to rotate, and the convex strips 53 on the surface of the rotating roller 52 are matched with the grooves 55 in the grinding roller 54. The two rotating rollers 52 can be taken out and their surfaces can be cleaned to avoid residues remaining on the surfaces of the rotating rollers 52.

[0030] A cabinet door 11 is hinged on the front of the processing box 4, and a circular groove 12 adapted to the rotating roller 52 is provided on the surface of the cabinet door 11;

[0031] Specifically, the circular groove 12 on the cabinet door 11 is matched with the rotating roller 52 to serve as a moving auxiliary support for the rotating roller 52. The cabinet door 11 is provided to facilitate cleaning of the interior of the processing box 4 to avoid residue affecting the next experimental result.

[0032] In order to facilitate the feeding of food into the processing box 4 and guide the food to between the two grinding rollers 54 , a feed hopper 13 is installed on the top of the feed port 8 , and guide plates 14 are installed on both sides of the inner wall of the processing box 4 .

[0033] Inclined plates 15 are installed on both sides of the inner wall of the processing box 4, and the two inclined plates 15 are arranged on the top of the heating tube 7;

[0034] Specifically, an inclined plate 15 is provided at the top of the heating tube 7 to reduce the amount of material falling onto the heating tube 7 . Meanwhile, the inclined plate 15 is at a certain distance from the bottom of the slide bar 65 to prevent the bottom of the slide bar 65 from contacting the top of the inclined plate 15 .

[0035] The atomic absorption spectrophotometer, manipulator and control method involved in the utility model are all common settings and methods in the prior art. It is only necessary to connect each device with corresponding functions through the connection relationship given in the embodiment of the utility model to obtain the technical solution of the utility model, which does not involve any improvement in circuit or software control. As for the connection method between each device with corresponding functions, it can be realized by those skilled in the art using the prior art, and no detailed description is given here.

[0036] The device allows food to enter the processing box 4 through the feed port 8, and is crushed by the grinding mechanism 5. The crushed food falls into the screening plate 66, leaving larger particles. The first motor 621 is started to drive the cam 622 to rotate, thereby lifting the screening plate 66, and the two supporting springs 63 pull the screening plate 66 down, and reciprocate to screen smaller particles. The guide cone 64 is used to separate the crushed food into the grid on the surface of the screening plate 66. The movement of the screening plate 66 drives the slide bar 65 to slide in the fixed plate 61 to enhance stability. The heating tube 7 is used to dry the crushed food and discharge it through the discharge valve tube 9. The dried food scraps are detected by the atomic absorption spectrophotometer 2, and the data are displayed on the manipulator 3.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A lead content detection device, comprising an operating table (1), characterized in that: An atomic absorption spectrophotometer (2) is installed on the top of the operating table (1), a controller (3) is installed on the top of the operating table (1), a processing box (4) is arranged on the top of the operating table (1), a grinding mechanism (5) for food crushing is installed inside the processing box (4), a screening mechanism (6) for screening the crushed food is arranged at the bottom of the grinding mechanism (5), heating pipes (7) are installed on both sides of the inner wall of the processing box (4), a feed inlet (8) is opened on the top of the processing box (4), and a discharge valve pipe (9) is connected to the bottom of the processing box (4); The screening mechanism (6) comprises a fixed plate (61), a driving member (62), a supporting spring (63), a guide cone (64), a sliding rod (65) and a screening plate (66); the fixed plate (61) is fixedly installed inside the processing box (4); the screening plate (66) is installed on the top of the fixed plate (61) through two supporting springs (63); two sliding rods (65) are installed on the bottom of the screening plate (66); the lower ends of the two sliding rods (65) pass through the bottom of the fixed plate (61) and extend; the top of the fixed plate (61) is installed with a driving member (62) for floating the screening plate (66); the top of the screening plate (66) is fixedly installed with a guide cone (64).

2. A lead content detection device according to claim 1, characterized in that: The driving member (62) comprises a first motor (621) and a cam (622); the first motor (621) is fixedly mounted on the top of the fixed plate (61); the cam (622) is mounted on the output end of the first motor (621); and the surface of the cam (622) is in contact with the bottom of the screening plate (66).

3. A lead content detection device according to claim 1, characterized in that: Balance rods (10) are slidably mounted on both sides of the surface of the screening plate (66), and the balance rods (10) are mounted on the inner wall of the processing box (4).

4. A lead content detection device according to claim 1, characterized in that: The grinding mechanism (5) comprises a second motor (51), a rotating roller (52), a convex strip (53), a grinding roller (54) and a groove (55); two rotating rollers (52) are rotatably installed inside the processing box (4); the surfaces of the two rotating rollers (52) are movably sleeved with grinding rollers (54); the rear ends of the two rotating rollers (52) pass through the back of the processing box (4) and are installed with the second motor (51); the surfaces of the rotating rollers (52) are integrally machined with two convex strips (53); and the inside of the grinding roller (54) is provided with a groove (55) adapted to the convex strip (53).

5. A lead content detection device according to claim 4, characterized in that: A cabinet door (11) is hingedly connected to the front of the processing box (4), and a circular groove (12) matching the rotating roller (52) is provided on the surface of the cabinet door (11).

6. A lead content detection device according to claim 1, characterized in that: A feed hopper (13) is installed at the top of the feed port (8), and guide plates (14) are installed on both sides of the inner wall of the processing box (4).

7. A lead content detection device according to claim 1, characterized in that: Inclined plates (15) are installed on both sides of the inner wall of the processing box (4), and the two inclined plates (15) are arranged on the top of the heating tube (7).

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