Rapid sampling machine for food detection

Abstract

The invention discloses a food detection rapid sample preparation machine which comprises a mounting base, a first sample preparation box, a second sample preparation box and a third sample preparation box, a mounting frame is fixedly mounted on the top surface of the mounting base, and the first sample preparation box, the second sample preparation box and the third sample preparation box are sequentially and fixedly mounted on the mounting frame; a first crushing shaft is mounted in the center of the first sample preparation box, one end of the first crushing shaft is connected with the output end of a first servo motor, a second crushing shaft is mounted in the center of the second sample preparation box, a third crushing shaft is mounted in the center of the third sample preparation box, and first gears are correspondingly and fixedly mounted at one end of the first crushing shaft and one end of the second crushing shaft; and second gears are correspondingly and fixedly mounted at one end of the second crushing shaft and one end of the third crushing shaft. The rapid sample preparation device is provided with the mounting base, the first sample preparation box, the second sample preparation box and the third sample preparation box, can meet the rapid sample preparation requirements of various specifications and types of foods, and is wider in application range and higher in sample preparation efficiency.

Description

Technical Field

[0001] The invention relates to the technical field of food detection and sample preparation, and in particular to a food detection rapid sample preparation machine. 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. Food safety testing can timely detect harmful substances in food, such as pesticide residues, heavy metals, etc., so as to prevent foodborne diseases and reduce medical expenses and economic losses caused by food safety issues. It is of great significance to public food safety. Before food testing, inspectors need to prepare small samples suitable for testing from the food to be tested. For this purpose, a food testing rapid sample making machine is needed.

[0003] Most traditional food testing sample making machines can only crush and sample food of a certain size and specifications. The scope of application is relatively limited, and they can only crush and sample one type of food at a time. The sample making efficiency is relatively low and cannot meet the needs of rapid sampling of multiple specifications and types of food. In view of the shortcomings of traditional devices, technical personnel in this field have proposed a food testing rapid sample making machine. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a rapid food testing sample making machine.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: a food inspection rapid sampling machine, comprising a mounting base, a first sampling box, a second sampling box and a third sampling box, the top surface of the mounting base is fixedly mounted with a mounting frame, and the first sampling box, the second sampling box and the third sampling box are fixedly mounted on the mounting frame in sequence, a first crushing shaft is centrally mounted with the first sampling box, and one end of the first crushing shaft is connected to the output end of the first servo motor, a second crushing shaft is centrally mounted with the second sampling box, a third crushing shaft is centrally mounted with the third sampling box, one end of the first crushing shaft and one end of the second crushing shaft are correspondingly fixedly mounted with a first gear, the two first gears are meshed with each other, one end of the second crushing shaft and one end of the third crushing shaft are correspondingly fixedly mounted with a first gear. Two gears, the two second gears are meshed with each other, the first crushing shaft, the second crushing shaft and the third crushing shaft are all fixedly installed with crushing paddles, the first sample making box inner cavity bottom surface is connected and installed with a first discharge seat in the center, and a first discharge roller is installed in the first discharge seat, the second sample making box inner cavity bottom surface is connected and installed with a second discharge seat in the center, and a second discharge roller is installed in the second discharge seat, the third sample making box inner cavity bottom surface is connected and installed with a third discharge seat in the center, and a third discharge roller is installed in the third discharge seat, the first discharge roller, the second discharge roller and the third discharge roller are all fixedly installed with a discharge shaft in the center, and one end of the discharge shaft is connected to the output end of the second servo motor, and the side walls of the first discharge roller, the second discharge roller and the third discharge roller are symmetrically provided with discharge grooves.

[0006] As a further description of the above technical solution:

[0007] A rotating seat is installed on one side of the top surface of the mounting base, and an automatic sample receiving tray is fixedly installed on the top of the rotating seat, and a plurality of groups of placement grooves are opened on the top surface of the automatic sample receiving tray, and sample receiving dishes are placed in the placement grooves. A third servo motor is installed on the mounting base, and a driving shaft is connected to the output end of the third servo motor, a driving gear is fixedly installed on the driving shaft, and a driven gear is fixedly installed on the rotating seat, and the driven gear is meshed with the driving gear.

[0008] As a further description of the above technical solution:

[0009] A steam generator and a water storage cylinder are installed on the top surface of the mounting base, the output end of the steam generator is connected to an air pipe, and an air valve is installed on the air pipe, the inner cavity of the water storage cylinder is connected to a water pipe, and a water pump is installed on the water pipe, and a water valve is installed on the water pipe, the water pipe and the air pipe are connected to a cleaning pipe through a three-way pipe, and the cleaning pipe is evenly connected to one end of several cleaning branch pipes, and the other end of the cleaning branch pipe is connected to the inner cavities of the first sample preparation box, the second sample preparation box and the third sample preparation box, and an electromagnetic valve is installed on the cleaning branch pipe.

[0010] As a further description of the above technical solution:

[0011] A control panel is installed on the mounting frame, and the control panel is electrically connected to the first servo motor, the second servo motor, the third servo motor, the steam generator, the water pump, the air valve, the water valve and the solenoid valve.

[0012] As a further description of the above technical solution:

[0013] The top of the inner cavity of the first sample preparation box is connected to a first feed pipe installed, the top of the inner cavity of the second sample preparation box is connected to a second feed pipe installed, and the top of the inner cavity of the third sample preparation box is connected to a third feed pipe installed.

[0014] As a further description of the above technical solution:

[0015] The automatic sample receiving tray is provided with a water hole.

[0016] As a further description of the above technical solution:

[0017] A waste liquid tank is fixedly mounted on the top surface of the mounting base.

[0018] As a further description of the above technical solution:

[0019] The sizes of the inner cavities of the first sample preparation box, the second sample preparation box and the third sample preparation box are reduced in sequence.

[0020] Compared with the prior art, the beneficial effects of the present invention are:

[0021] 1. The present invention is provided with a mounting base, a first sample preparation box, a second sample preparation box and a third sample preparation box. A mounting frame is fixedly mounted on the top surface of the mounting base, and the first sample preparation box, the second sample preparation box and the third sample preparation box are fixedly mounted on the mounting frame in sequence. A first crushing shaft is mounted at the center of the first sample preparation box, and one end of the first crushing shaft is connected to the output end of the first servo motor. A second crushing shaft is mounted at the center of the second sample preparation box. A third crushing shaft is mounted at the center of the third sample preparation box. A first gear is fixedly mounted at one end of the first crushing shaft and one end of the second crushing shaft, and the two first gears are meshed with each other. The second gear is fixedly installed at one end of the second crushing shaft and one end of the third crushing shaft respectively, and the two second gears are meshed with each other. Crushing blades are fixedly installed on the first crushing shaft, the second crushing shaft and the third crushing shaft, so the user can introduce the collected food of three specifications of large, medium and small into the corresponding first sample preparation box, the second sample preparation box and the third sample preparation box inner cavity through the first feeding pipe, the second feeding pipe and the third feeding pipe, and then drive the first crushing shaft to rotate through the first servo motor, thereby driving the second crushing shaft and the third crushing shaft to rotate, so as to realize the sample preparation operation of three food samples of different sizes at the same time. The first discharging seat is connected to the center of the bottom of the inner cavity of the first sample preparation box, and the first discharging roller is installed in the first discharging seat. The second discharging seat is connected to the center of the bottom of the inner cavity of the second sample preparation box, and the second discharging roller is installed in the second discharging seat. The third discharging seat is connected to the center of the bottom of the inner cavity of the third sample preparation box, and the third discharging seat is installed in the third discharging seat. The first discharging roller, the second discharging roller and the third discharging roller are all fixedly installed with a discharging shaft in the center, and one end of the discharging shaft is connected to the output end of the second servo motor. At the same time, the side walls of the first discharging roller, the second discharging roller and the third discharging roller are symmetrically provided with discharging shafts. The material trough, when the crushing blade completes the crushing and sampling of the food, the discharging shaft can drive the first discharging roller, the second discharging roller and the third discharging roller to rotate, so that the discharging trough on one side is connected with the inner cavity of the first sampling box, the second sampling box and the third sampling box, and the crushed food can fall into the discharging trough, and the discharging roller is rotated 180 degrees again, so that the quantitative food sample in the discharging trough can be led out and discharged, and received by the subsequent sample receiving dish, so as to facilitate the subsequent food safety detection and testing, so that a food detection rapid sampling machine can meet the needs of rapid sampling of multiple specifications and types of food, with a wider range of applications and higher sampling efficiency.

[0022] 2. The present invention is provided with an automatic sample receiving tray, a rotating seat is installed on one side of the top surface of the installation base, and the automatic sample receiving tray is fixedly installed on the top of the rotating seat, and a plurality of placement grooves are opened on the top surface of the automatic sample receiving tray, and the user can place the sample receiving dish for receiving samples in the corresponding placement grooves, and a third servo motor is installed on the installation base, and a driving shaft is connected and installed on the output end of the third servo motor, and a driving gear is fixedly installed on the driving shaft, and a driven gear is fixedly installed on the rotating seat, and the driven gear is meshed with the driving gear. Therefore, when the third servo motor drives the driving shaft to rotate, the rotating seat and the automatic sample receiving tray can be driven to rotate a certain angle, so that the receiving dish rotates to the corresponding first discharge seat, second discharge seat and third discharge seat. Then, the automatic sample receiving tray can be used to complete the automatic discharge and receiving of multiple groups of manufactured samples at one time, so that the user can conduct a control group test for food detection later, thereby further improving the food detection efficiency.

[0023] 3. The present invention is provided with a steam generator, a water storage cylinder, a cleaning pipe and a cleaning branch pipe. The steam generator and the water storage cylinder are installed on the top surface of the installation base. The output end of the steam generator is connected with an air pipe, and an air valve is installed on the air pipe. The inner cavity of the water storage cylinder is connected with a water pipe, and a water pump is installed on the water pipe, and a water valve is installed on the water pipe. The water pipe and the air pipe are connected with a cleaning pipe through a three-way pipe, and the cleaning pipe is evenly connected with one end of a plurality of cleaning branch pipes, and the other end of the cleaning branch pipe is connected with the inner cavity of the first sample preparation box, the second sample preparation box and the third sample preparation box, and an electromagnetic valve is installed on the cleaning branch pipe. After completing the sample preparation of a food sample, the user can close the air valve through the control panel and open the control panel at the same time. Open the water valve and the solenoid valve, and then start the water pump. The sterile water in the inner cavity of the water storage cylinder can be pumped into the cleaning pipe and the inner cavity of the cleaning branch pipe, so that the inner cavities of the first sample preparation box, the second sample preparation box and the third sample preparation box can be rinsed with sterile water to wash away the residual sample debris. The waste liquid after washing can enter the waste liquid tank through the water hole opened on the automatic sample receiving tray for centralized collection, so as to facilitate subsequent centralized cleaning. After rinsing, close the water valve, and then open the air valve and the steam generator to introduce high-temperature sterilization steam into the inner cavities of the first sample preparation box, the second sample preparation box and the third sample preparation box to achieve high-temperature sterilization of the first sample preparation box, the second sample preparation box and the third sample preparation box, thereby preventing the pathogens contained in the residual samples from affecting the subsequent food sample preparation, which is conducive to further improving the efficiency of food detection and sampling. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0025] Figure 1 This is a schematic diagram of the structure of a rapid prototyping machine for food testing proposed by the present invention;

[0026] Figure 2 A top view of an automatic sample receiving plate of a food testing rapid sample making machine proposed by the present invention;

[0027] Figure 3 The present invention proposes Figure 1 A magnified image of point A;

[0028] Figure 4 The present invention proposes Figure 1 A magnified view of point B;

[0029] Figure 5 The present invention proposes Figure 1 Enlarged view of point C;

[0030] Figure 6 The present invention proposes Figure 1 The enlarged view of point D;

[0031] Figure 7 A three-dimensional diagram of a first discharging roller, a second discharging roller and a third discharging roller of a food testing rapid prototyping machine proposed by the present invention;

[0032] Figure 8 A three-dimensional diagram of the first crushing shaft, the second crushing shaft and the third crushing shaft of a food detection rapid prototyping machine proposed by the present invention;

[0033] Fig. 9 This is a stereoscopic diagram of a cleaning pipeline and a cleaning branch pipeline of a food detection rapid prototyping machine proposed by the present invention.

[0034] Legend:

[0035] 1. Installation base; 2. Steam generator; 3. Water storage cylinder; 4. Water pipe; 5. Gas pipe; 6. First servo motor; 7. Mounting frame; 8. First sample box; 9. First feed pipe; 10. Second feed pipe; 11. Second sample box; 12. Third feed pipe; 13. Third sample box; 14. Crushing blade; 15. Second servo motor; 16. Discharging shaft; 17. First discharging seat; 18. Waste liquid tank; 19. Second discharging seat; 20. Automatic sample tray; 21. Water hole; 22. Placement slot; 2 3. Sample receiving dish; 24. First crushing shaft; 25. Second crushing shaft; 26. First gear; 27. Third discharging seat; 28. Third discharging roller; 29. ​​Discharging trough; 30. Water pump; 31. Air valve; 32. Water valve; 33. Cleaning pipeline; 34. Rotating seat; 35. Third servo motor; 36. Driving shaft; 37. Active gear; 38. Driven gear; 39. First discharging roller; 40. Second discharging roller; 41. Third crushing shaft; 42. Second gear; 43. Cleaning branch pipeline; 44. Solenoid valve. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0037] In the description of the invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the invention; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a connection between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances:

[0038] Embodiment 1, a food inspection rapid sample making machine, comprises a mounting base 1, a first sample making box 8, a second sample making box 11 and a third sample making box 13, a mounting frame 7 is fixedly mounted on the top surface of the mounting base 1, and the first sample making box 8, the second sample making box 11 and the third sample making box 13 are fixedly mounted on the mounting frame 7 in sequence, a first crushing shaft 24 is mounted in the center of the first sample making box 8, and one end of the first crushing shaft 24 is connected to the output end of the first servo motor 6, a second crushing shaft 25 is mounted in the center of the second sample making box 11, a third crushing shaft 41 is mounted in the center of the third sample making box 13, a first gear 26 is fixedly mounted on one end of the first crushing shaft 24 and one end of the second crushing shaft 25 correspondingly, and the two first gears 26 are meshed with each other, a second gear 42 is fixedly mounted on one end of the second crushing shaft 25 and one end of the third crushing shaft 41 correspondingly, and the two second gears 42 are meshed with each other, and the first crushing shaft 24, the second crushing shaft 25 and A crushing paddle 14 is fixedly installed on the third crushing shaft 41, a first discharging seat 17 is installed in the center of the bottom surface of the inner cavity of the first sample preparation box 8, and a first discharging roller 39 is installed in the first discharging seat 17, a second discharging seat 19 is installed in the center of the bottom surface of the inner cavity of the second sample preparation box 11, and a second discharging roller 40 is installed in the second discharging seat 19, a third discharging seat 27 is installed in the center of the bottom surface of the inner cavity of the third sample preparation box 13, and a third discharging roller 28 is installed in the third discharging seat 27, a discharging shaft 16 is fixedly installed in the center of the first discharging roller 39, the second discharging roller 40 and the third discharging roller 28, one end of the discharging shaft 16 is connected to the output end of the second servo motor 15, and the side walls of the first discharging roller 39, the second discharging roller 40 and the third discharging roller 28 are symmetrically provided with discharging grooves 29, which can meet the needs of rapid sampling of multiple specifications and types of food, have a wider range of applications, and higher sampling efficiency.

[0039] In the second embodiment, a rotating seat 34 is installed on one side of the top surface of the mounting base 1, and an automatic sample receiving tray 20 is fixedly installed on the top of the rotating seat 34, and a plurality of groups of placement grooves 22 are opened on the top surface of the automatic sample receiving tray 20, and sample receiving dishes 23 are placed in the placement grooves 22. A third servo motor 35 is installed on the mounting base 1, and a driving shaft 36 is connected to the output end of the third servo motor 35, and a driving gear 37 is fixedly installed on the driving shaft 36. A driven gear 38 is fixedly installed on the rotating seat 34, and the driven gear 38 and the driving gear 37 are meshed with each other, so that the automatic sample receiving tray 20 can be used to complete the automatic discharging and receiving of multiple groups of manufactured samples at one time, so that the user can conduct a control group test for food testing later, thereby further improving the efficiency of food testing.

[0040] In the third embodiment, a steam generator 2 and a water storage cylinder 3 are installed on the top surface of the mounting base 1, an air supply pipe 5 is connected to the output end of the steam generator 2, and an air valve 31 is installed on the air supply pipe 5, an inner cavity of the water storage cylinder 3 is connected to the water supply pipe 4, a water pump 30 is installed on the water supply pipe 4, and a water valve 32 is installed on the water supply pipe 4, the water supply pipe 4 and the air supply pipe 5 are connected to a cleaning pipe 33 through a three-way pipe, and the cleaning pipe 33 is evenly connected to one end of a plurality of cleaning branch pipes 43, and the other end of the cleaning branch pipe 43 is connected to the inner cavity of the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13, an electromagnetic valve 44 is installed on the cleaning branch pipe 43, which plays a role in achieving high-temperature sterilization of the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13, thereby preventing the pathogens contained in the residual sample from affecting the subsequent food sample preparation, which is beneficial to further improve the efficiency of food detection and sampling.

[0041] In the fourth embodiment, a control panel is installed on the mounting frame 7, and the control panel is electrically connected to the first servo motor 6, the second servo motor 15, the third servo motor 35, the steam generator 2, the water pump 30, the air valve 31, the water valve 32 and the solenoid valve 44. The control circuit of the control panel is a common technology in the field and will not be described here.

[0042] In the fifth embodiment, the first sample preparation box 8 has a first feed pipe 9 installed on the top of its inner cavity, the second sample preparation box 11 has a second feed pipe 10 installed on the top of its inner cavity, and the third sample preparation box 13 has a third feed pipe 12 installed on the top of its inner cavity.

[0043] In the sixth embodiment, a water hole 21 is provided on the automatic sample receiving tray 20 .

[0044] In the seventh embodiment, a waste liquid tank 18 is fixedly mounted on the top surface of the mounting base 1 .

[0045] In the eighth embodiment, the inner cavity spaces of the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13 are reduced in size in sequence.

[0046] Working principle: The present invention is provided with a mounting base 1, a first sample preparation box 8, a second sample preparation box 11 and a third sample preparation box 13. The top surface of the mounting base 1 is fixedly installed with a mounting frame 7, and the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13 are fixedly installed on the mounting frame 7 in sequence. The first sample preparation box 8 is centrally installed with a first crushing shaft 24, and one end of the first crushing shaft 24 is connected to the output end of the first servo motor 6. The second sample preparation box 11 is centrally installed with a second crushing shaft 25. The third sample preparation box 13 is centrally installed with a third crushing shaft 41. One end of the first crushing shaft 24 and one end of the second crushing shaft 25 are correspondingly fixedly installed with a first gear 26. The two first gears 26 mesh with each other. The second crushing shaft 24 is centrally installed with a second gear 26. A second gear 42 is fixedly installed at one end of the shaft 25 and one end of the third crushing shaft 41, and the two second gears 42 are meshed with each other. Crushing blades 14 are fixedly installed on the first crushing shaft 24, the second crushing shaft 25 and the third crushing shaft 41, so the user can introduce the collected food of three specifications of large, medium and small into the corresponding first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13 through the first feeding pipe 9, the second feeding pipe 10 and the third feeding pipe 12, and then drive the first crushing shaft 24 to rotate through the first servo motor 6, thereby driving the second crushing shaft 25 and the third crushing shaft 41 to rotate, so as to realize the simultaneous sample preparation of three food samples of different sizes. The central bottom surface of the inner cavity of the first sample preparation box 8 is connected and installed There is a first discharging seat 17, and a first discharging roller 39 is installed in the first discharging seat 17, the second discharging seat 19 is connected to the center of the bottom surface of the inner cavity of the second sample preparation box 11, and the second discharging roller 40 is installed in the second discharging seat 19, the third discharging seat 27 is connected to the center of the bottom surface of the inner cavity of the third sample preparation box 13, and the third discharging roller 28 is installed in the third discharging seat 27, the first discharging roller 39, the second discharging roller 40 and the third discharging roller 28 are all fixedly installed with a discharging shaft 16 in the center, and one end of the discharging shaft 16 is connected to the output end of the second servo motor 15, and the side walls of the first discharging roller 39, the second discharging roller 40 and the third discharging roller 28 are symmetrically provided with discharging grooves 29, when the crushing blade 14 completes the crushing of the food After the sample is crushed, the discharging shaft 16 can drive the first discharging roller 39, the second discharging roller 40 and the third discharging roller 28 to rotate, so that the discharging trough 29 on one side is connected with the inner cavity of the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13, and the crushed food can fall into the discharging trough 29. The discharging roller is rotated 180 degrees again, so that the quantitative food sample in the discharging trough 29 can be led out and discharged, and received by the subsequent sample receiving dish 23, so as to facilitate the subsequent food safety detection test, so that a food detection rapid sample preparation machine can meet the needs of rapid sample preparation of multiple specifications and types of food, with a wider range of applications and higher sample preparation efficiency. In addition, the present invention is provided with an automatic sample receiving tray 20, and a rotating seat 34 is installed on one side of the top surface of the mounting base 1.The top of the rotating seat 34 is fixedly installed with an automatic sample receiving tray 20, and the top surface of the automatic sample receiving tray 20 is provided with a plurality of placement slots 22. The user can place the sample receiving dish 23 for receiving the sample in the corresponding placement slot 22. The third servo motor 35 is installed on the mounting base 1, and the output end of the third servo motor 35 is connected and installed with a driving shaft 36. The driving shaft 36 is fixedly installed with a driving gear 37. The rotating seat 34 is fixedly installed with a driven gear 38, and the driven gear 38 and the driving gear 37 are meshed with each other. Therefore, when the third servo motor 35 drives the driving shaft 36 to rotate, the rotating seat 34 and the automatic sample receiving tray 20 can be driven to rotate a certain angle, so that the receiving dish Rotate to the corresponding first discharge seat 17, second discharge seat 19 and third discharge seat 27, and then use the automatic sample receiving tray 20 to complete the automatic discharge and receiving of multiple groups of manufactured samples at one time, so as to facilitate the user to conduct a control group test of food detection later, further improving the efficiency of food detection. At the same time, the present invention is provided with a steam generator 2, a water storage cylinder 3, a cleaning pipe 33 and a cleaning branch pipe 43, the top surface of the installation base 1 is installed with the steam generator 2 and the water storage cylinder 3, the output end of the steam generator 2 is connected to the gas supply pipe 5, and the gas supply pipe 5 is installed with an air valve 31, the inner cavity of the water storage cylinder 3 is connected to the water supply pipe 4, and the water pump 30 is installed on the water supply pipe 4, and A water valve 32 is installed on the water delivery pipe 4, and the water delivery pipe 4 and the air delivery pipe 5 are connected to the cleaning pipe 33 through a three-way pipe, and the cleaning pipe 33 is evenly connected to one end of a plurality of cleaning branch pipes 43, and the other end of the cleaning branch pipe 43 is connected to the inner cavity of the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13, and a solenoid valve 44 is installed on the cleaning branch pipe 43. After completing the sample preparation of a food sample, the user can close the air valve 31 through the control panel, open the water valve 32 and the solenoid valve 44 at the same time, and then start the water pump 30, so that the sterile water in the inner cavity of the water storage cylinder 3 can be pumped into the cleaning pipe 33 and the inner cavity of the cleaning branch pipe 43, so that the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13 can be cleaned by sterile water. The sample box 8, the second sample preparation box 11 and the third sample preparation box 13 are rinsed to remove the residual sample debris. The waste liquid after washing can enter the waste liquid tank 18 through the water hole 21 opened on the automatic sample receiving tray 20 for centralized collection, so as to facilitate subsequent centralized cleaning. After rinsing, close the water valve 32, and then open the air valve 31 and the steam generator 2 to introduce high-temperature sterilization steam into the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13 to achieve high-temperature sterilization of the first sample preparation box 8, the second sample preparation box 11 and the third sample preparation box 13, thereby preventing the pathogens contained in the residual sample from affecting the subsequent food sample preparation, which is conducive to further improving the efficiency of food detection and sample preparation.

[0047] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A food testing rapid sample preparation machine, comprising a mounting base (1), a first sample preparation box (8), a second sample preparation box (11) and a third sample preparation box (13), characterized in that: A mounting frame (7) is fixedly mounted on the top surface of the mounting base (1), and a first sample preparation box (8), a second sample preparation box (11) and a third sample preparation box (13) are fixedly mounted on the mounting frame (7) in sequence. A first crushing shaft (24) is mounted in the center of the first sample preparation box (8), and one end of the first crushing shaft (24) is connected to the output end of the first servo motor (6). A second crushing shaft (25) is mounted in the center of the second sample preparation box (11). A third crushing shaft (41) is mounted in the center of the third sample preparation box (13). A first gear (26) is fixedly mounted on one end of the first crushing shaft (24) and one end of the second crushing shaft (25), and the two first gears (26) are meshed with each other. A second gear (42) is fixedly mounted on one end of the second crushing shaft (25) and one end of the third crushing shaft (41), and the two second gears (42) are meshed with each other. The first crushing shaft (24), the second crushing shaft (25) and the third crushing shaft (41) are fixedly mounted on one end of the second crushing shaft (25) and one end of the third crushing shaft (41). The three crushing shafts (41) are all fixedly mounted with crushing blades (14); the first sample preparation box (8) is connected to a first discharge seat (17) at the center of the inner cavity bottom surface, and a first discharge roller (39) is installed in the first discharge seat (17); the second sample preparation box (11) is connected to a second discharge seat (19) at the center of the inner cavity bottom surface, and a second discharge roller (40) is installed in the second discharge seat (19); the third sample preparation box (13) is connected to a second discharge seat (19) at the center of the inner cavity bottom surface, and a second discharge roller (40) is installed in the second discharge seat (19); A third discharge seat (27) is provided, and a third discharge roller (28) is installed in the third discharge seat (27); a discharge shaft (16) is fixedly installed in the center of the first discharge roller (39), the second discharge roller (40) and the third discharge roller (28); one end of the discharge shaft (16) is connected to the output end of the second servo motor (15); and the side walls of the first discharge roller (39), the second discharge roller (40) and the third discharge roller (28) are symmetrically provided with discharge grooves (29).

2. A food testing rapid prototyping machine according to claim 1, characterized in that: A rotating seat (34) is installed on one side of the top surface of the mounting base (1), and an automatic sample receiving tray (20) is fixedly installed on the top of the rotating seat (34), and a plurality of groups of placement grooves (22) are opened on the top surface of the automatic sample receiving tray (20), and a sample receiving dish (23) is placed in the placement groove (22). A third servo motor (35) is installed on the mounting base (1), and a driving shaft (36) is connected and installed at the output end of the third servo motor (35), and a driving gear (37) is fixedly installed on the driving shaft (36). A driven gear (38) is fixedly installed on the rotating seat (34), and the driven gear (38) and the driving gear (37) are meshed with each other.

3. A food testing rapid prototyping machine according to claim 1, characterized in that: The top surface of the mounting base (1) is provided with a steam generator (2) and a water storage cylinder (3); the output end of the steam generator (2) is connected to an air supply pipe (5), and an air valve (31) is installed on the air supply pipe (5); the inner cavity of the water storage cylinder (3) is connected to a water supply pipe (4), and a water pump (30) is installed on the water supply pipe (4), and a water valve (32) is installed on the water supply pipe (4); the water supply pipe (4) and the air supply pipe (5) are connected to a cleaning pipe (33) through a three-way pipe, and one end of a plurality of cleaning branch pipes (43) are evenly connected to the cleaning pipe (33), and the other end of the cleaning branch pipe (43) is connected to the inner cavities of the first sample preparation box (8), the second sample preparation box (11) and the third sample preparation box (13), and an electromagnetic valve (44) is installed on the cleaning branch pipe (43).

4. A food testing rapid prototyping machine according to claim 1, characterized in that: A control panel is installed on the mounting frame (7), and the control panel is electrically connected to the first servo motor (6), the second servo motor (15), the third servo motor (35), the steam generator (2), the water pump (30), the air valve (31), the water valve (32) and the solenoid valve (44).

5. A food testing rapid prototyping machine according to claim 1, characterized in that: The top of the inner cavity of the first sample preparation box (8) is connected to a first feed pipe (9), the top of the inner cavity of the second sample preparation box (11) is connected to a second feed pipe (10), and the top of the inner cavity of the third sample preparation box (13) is connected to a third feed pipe (12).

6. A food testing rapid prototyping machine according to claim 2, characterized in that: The automatic sample receiving tray (20) is provided with a water hole (21).

7. A food testing rapid prototyping machine according to claim 1, characterized in that: A waste liquid tank (18) is fixedly mounted on the top surface of the mounting base (1).

8. A food testing rapid prototyping machine according to claim 1, characterized in that: The sizes of the inner cavities of the first sample preparation box (8), the second sample preparation box (11) and the third sample preparation box (13) are reduced in sequence.

Images