Quantitative reagent extraction equipment for food science and engineering

Abstract

The invention discloses quantitative reagent extraction equipment for food science and engineering, which comprises a supporting base frame, the supporting base frame comprises a bottom plate, a working plate is arranged above the bottom plate, the bottom plate and the working plate are fixedly connected through a plurality of supporting columns, and a plurality of extraction cylinders are arranged above the working plate in an annular array; an extraction pipe is arranged at the bottom of each extraction cylinder; the driving mechanism is arranged at the position above the working plate, the multiple extraction barrels are all connected with the driving mechanism, and the driving mechanism is used for synchronous movement of the multiple extraction barrels; the protection mechanism is arranged in the middle of the upper portion of the working plate. According to the quantitative reagent extraction equipment for food science and engineering, the multiple rotatable extraction cylinders are arranged at the top of the working plate and matched with the driving mechanism, synchronous positioning rotation of the multiple extraction cylinders can be controlled, the extraction cylinders are moved to the position of the extraction mechanism, quantitative extraction of different reagents can be conveniently conducted in sequence, and the efficiency is improved. The reagent extraction efficiency is greatly improved.

Description

Technical Field

[0001] The invention relates to the technical field of reagent extraction, in particular to a reagent quantitative extraction device for food science and engineering. Background Art

[0002] Food science and engineering is a discipline based on food science and engineering science, which studies the nutritional health, process design and social production of food, food processing, storage and food safety and hygiene. It is an important part of life science and engineering science, and an important bridge connecting food science and industrial engineering. In the process of food research, various research reagents need to be quantitatively extracted, which requires the use and operation of quantitative extraction equipment.

[0003] Traditionally, reagent extraction requires the use of an extraction device with a suction end inserted into an actual storage box, and then a pump is used to suck and extract. During reagent extraction, when multiple reagents need to be extracted, residual reagents inside the extraction tube may easily contaminate the newly extracted reagents. Traditional reagent extraction equipment needs to be cleaned after use before the next reagent can be extracted, which is time-consuming and has low extraction efficiency. Traditional reagent extraction is carried out by a pump, and the pump needs to be cleaned in time after extraction, otherwise multiple extractions may still easily lead to reagent contamination. For this reason, the present application proposes a reagent quantitative extraction device for food science and engineering, which provides a new technical solution to solve the above-mentioned technical problems. Summary of the invention

[0004] Based on this, it is necessary to provide a reagent quantitative extraction device for food science and engineering to address the above technical problems. By arranging multiple rotatable extraction cylinders on the top of the working plate and cooperating with the driving mechanism, the multiple extraction cylinders can be controlled to rotate synchronously, so that the extraction cylinders are transferred to the position of the extraction mechanism, which is convenient for the quantitative extraction of different reagents in sequence, greatly improving the extraction efficiency of the reagents.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] The invention discloses a reagent quantitative extraction device for food science and engineering, which is applied to the reagent quantitative extraction.

[0007] The reagent quantitative extraction equipment of food science and engineering specifically includes:

[0008] A support base frame, the support base frame comprises a bottom plate, a working plate is arranged above the bottom plate, the bottom plate and the working plate are fixedly connected by a plurality of support columns, a plurality of extraction cylinders are arranged in a circular array above the working plate; the bottoms of the extraction cylinders are all provided with extraction pipes;

[0009] A driving mechanism, which is arranged above the working plate, and the plurality of extraction cylinders are connected to the driving mechanism, and the driving mechanism is used for synchronous movement of the plurality of extraction cylinders;

[0010] A protective mechanism is arranged at a position in the middle above the working plate, and the protective mechanism comprises a protective upright pole, a blocking plate group and a protective frame group. The blocking plate group and the protective frame group are both arranged at the upper position of the protective upright pole, and the bottom of the protective upright pole is fixedly connected to the working plate. The blocking plate group is used for blocking the top of the protective mechanism, and the protective frame group is used for sleeve-mounting a dust cover to provide support;

[0011] An extraction mechanism, which is arranged above the working plate and is used for extracting the reagent;

[0012] The extraction mechanism comprises a mounting frame 1, the lower end of the mounting frame 1 is fixedly connected to the working plate, a first linear module is arranged on the inner side of the mounting frame 1, an end of a lifting block of the first linear module is connected to an L-shaped connecting rod, the top of the L-shaped connecting rod is fixedly connected to a U-shaped connecting rod, the lower end of the U-shaped connecting rod is fixedly connected to a connecting vertical rod, the lower end of the connecting vertical rod is fixedly connected to a mounting cover, the middle part of the mounting cover is slidably connected to a drag rod, and the bottom of the drag rod is fixedly connected to a piston plate; the piston plate is slidably arranged inside the extraction cylinder;

[0013] A quantitative extraction component is disposed on the outer side of the mounting cover for quantitative extraction of reagents;

[0014] The top of the dragging rod is fixedly provided with a cylinder cleaning component through the mounting cover, which is used for cleaning the inside of the extraction cylinder.

[0015] As a preferred embodiment of the reagent quantitative extraction equipment for food science and engineering provided by the present invention, the quantitative extraction component includes a mounting frame 2, one side of the mounting frame 2 is fixedly connected to the mounting cover, a second linear module is arranged inside the mounting frame 2, the lifting block end of the second linear module is connected to an arc plate, the end of the arc plate away from the second linear module is fixedly connected to an inverted L-shaped connecting arm, the top of the inverted L-shaped connecting arm is fixedly connected to the part of the drag rod located outside the extraction cylinder; the quantitative extraction component also includes a fixed plate, the lower part of the fixed plate is rotatably connected to an adjusting screw, the top of the adjusting screw is provided with an adjusting knob, the outer side of the adjusting screw is threadedly connected to a quantitative lifting rod, the end of the quantitative lifting rod away from the adjusting screw is vertically slidably connected to the inverted L-shaped connecting arm, a touch switch is arranged at the lower end of the quantitative lifting rod and at a position corresponding to the inverted L-shaped connecting arm, and a contact block is arranged at the lower end of the inverted L-shaped connecting arm and at a position directly below the touch switch.

[0016] As a preferred embodiment of the reagent quantitative extraction equipment for food science and engineering provided by the present invention, the in-cylinder cleaning component includes a mounting cross frame, which is fixedly connected to the drag rod, the interior of the drag rod is hollow, and the outer side of the drag rod is provided with an output port connected to the interior of the drag rod, and the top of the drag rod is fixedly connected with an access piece, and a water pump and a fan are respectively arranged on the mounting cross frame, the water outlet end of the water pump is connected to a water supply pipe, and the water supply pipe is connected to the access piece, the air outlet end of the fan is connected to an air supply pipe, and the air supply pipe is connected to the access piece, and the water supply pipe and the air supply pipe are both provided with solenoid valves for control.

[0017] As a preferred embodiment of the reagent quantitative extraction equipment for food science and engineering provided by the present invention, the water inlet end of the water pump is connected to a water pumping pipe, the end of the water pumping pipe away from the water pump is connected to a water tank, and the water tank is located between the bottom plate and the working plate; the air inlet end of the fan is connected to the outside world.

[0018] As a preferred embodiment of the reagent quantitative extraction equipment for food science and engineering provided by the present invention, the driving mechanism includes an annular frame, which is used for rotational connection of the working plate, and the outer side of the annular frame is fixedly connected to each extraction cylinder via a connecting plate, and positioning members are provided on the connecting plates for rotational positioning of the extraction cylinder, and an inner gear ring is fixedly connected to the inner side of the annular frame, and a driving gear is rotatably connected to the upper end of the working plate and located on the inner side of the annular frame, and the driving gear is meshed with the inner gear ring, and a driving shaft is provided in the middle of the driving gear, and the driving shaft is driven by a motor.

[0019] As a preferred embodiment of the reagent quantitative extraction equipment for food science and engineering provided by the present invention, the positioning member includes an outer shell, which is fixedly connected to a connecting plate, a positioning ball is movably connected to the lower end of the outer shell, a thrust spring is arranged inside the outer shell to push the positioning ball to move outward, and a positioning buckle groove is provided in a ring array at the upper end of the working plate, and the positioning ball is buckled and connected with the positioning buckle groove.

[0020] As a preferred embodiment of the reagent quantitative extraction equipment for food science and engineering provided by the present invention, the sealing plate group includes a connecting piece and a sealing cover, the connecting piece is rotatably connected to the protective vertical pole, the sealing cover corresponds to the position of the extraction cylinder, and the sealing cover and the connecting piece are fixedly connected by a lifting rod.

[0021] As a preferred embodiment of the reagent quantitative extraction equipment for food science and engineering provided by the present invention, the protective frame group includes a lifting frame, the lifting frame is arranged in a C shape, the opening of the lifting frame corresponds to the position of the extraction mechanism, and a connecting member 2 is arranged on the inner side of the lifting frame, the connecting member 2 is detachably connected to the connecting member 1 by a fixing bolt, and the surrounding side of the connecting member 2 is fixedly connected to the lifting frame by a plurality of fixing support rods.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] The reagent quantitative extraction equipment for food science and engineering provided by the present invention can control the synchronous positioning and rotation of the multiple extraction cylinders by arranging multiple rotatable extraction cylinders on the top of the working plate in conjunction with the driving mechanism, so that the extraction cylinders are transferred to the position of the extraction mechanism, which is convenient for quantitative extraction of different reagents in sequence, thereby greatly improving the extraction efficiency of the reagents.

[0024] The quantitative reagent extraction equipment for food science and engineering provided by the present invention can drive the installation cover to perform lifting movement through the structural design of the extraction mechanism, thereby synchronously driving the lifting and lowering of the quantitative extraction component and the cylinder cleaning component. The quantitative extraction of the reagent can be achieved through the quantitative extraction component, avoiding the complex structure of the previous quantitative reagent absorption components. The setting structure is simple and can be flexibly adjusted according to the required extraction amount, thereby speeding up the extraction of the reagent. The inside of the extraction cylinder can be cleaned through the cylinder cleaning component, thereby preventing the extracted new reagent from being contaminated by the residual reagent. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the scheme of the present invention, a brief introduction is given below to the drawings required for use in the description of the embodiments. Obviously, the drawings described below are 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.

[0026] Figure 1 A schematic diagram of the overall structure of the reagent quantitative extraction device for food science and engineering provided by the present invention;

[0027] Figure 2 A schematic diagram of the structure of the driving mechanism and extraction mechanism of the quantitative extraction device for reagents in food science and engineering provided by the present invention;

[0028] Figure 3 A schematic diagram of the structure of the extraction mechanism of the quantitative extraction equipment for reagents in food science and engineering provided by the present invention;

[0029] Figure 4 A schematic diagram of the partial structure of the extraction mechanism of the quantitative extraction equipment for reagents in food science and engineering provided by the present invention;

[0030] Figure 5 A schematic diagram of the structure of a quantitative extraction component of a reagent quantitative extraction device for food science and engineering provided by the present invention;

[0031] Figure 6 A schematic diagram of the structure of the cleaning assembly in the cylinder of the reagent quantitative extraction equipment for food science and engineering provided by the present invention;

[0032] Figure 7 A schematic diagram of the structure of a driving mechanism of a reagent quantitative extraction device for food science and engineering provided by the present invention;

[0033] Figure 8 A schematic diagram of the structure of a positioning member of a reagent quantitative extraction device for food science and engineering provided by the present invention;

[0034] Fig. 9 A schematic structural diagram of a protective mechanism for a reagent quantitative extraction device for food science and engineering provided by the present invention.

[0035] The markings in the figure are as follows:

[0036] 1. Support base frame; 2. Extraction cylinder; 3. Driving mechanism; 4. Protection mechanism; 5. Extraction mechanism; 6. Bottom plate; 7. Support column; 8. Working plate; 9. Protection pole; 10. Connecting piece 1; 11. Blocking cover; 12. Ring frame; 13. Connecting plate; 14. Positioning piece; 15. Internal gear ring; 16. Driving gear; 17. Outer shell; 18. Thrust spring; 19. Positioning ball; 20. Positioning buckle groove; 21. Mounting frame 1; 22. First linear module; 23. L-shaped connecting rod; 24. U-shaped Connecting rod; 25, connecting vertical rod; 26, installing cover; 27, drag rod; 28, piston plate; 29, mounting frame 2; 30, second linear module; 31, arc plate; 32, inverted L-shaped connecting arm; 33, fixing plate; 34, adjusting screw rod; 35, quantitative lifting rod; 36, touch switch; 37, installing horizontal frame; 38, access part; 39, water pump; 40, fan; 41, solenoid valve; 42, output port; 43, lifting frame; 44, connecting piece 2; 45, fixing bolt; 46, fixing support rod. DETAILED DESCRIPTION

[0037] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention will be clearly and completely described 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, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0038] As described in the background technology, when multiple reagents need to be extracted, it is easy for residual reagents inside the extraction tube to contaminate the newly extracted reagents during the extraction process. Traditional reagent extraction equipment needs to be cleaned after use before the next reagent can be extracted, which is time-consuming and has low extraction efficiency. In addition, traditional reagents are extracted by a pump, and the pump needs to be cleaned in time after extraction, otherwise the reagents will still be easily contaminated during multiple extractions.

[0039] In order to solve this technical problem, the present invention provides a reagent quantitative extraction device for food science and engineering, which is applied to the reagent quantitative extraction.

[0040] Specifically, please refer to Figure 1 - Figure 6 , the reagent quantitative extraction equipment for food science and engineering specifically includes:

[0041] The support base frame 1 includes a bottom plate 6, a working plate 8 is arranged above the bottom plate 6, the bottom plate 6 and the working plate 8 are fixedly connected by a plurality of support columns 7, a plurality of extraction cylinders 2 are arranged in a circular array above the working plate 8; an extraction pipe is arranged at the bottom of each extraction cylinder 2;

[0042] A driving mechanism 3 is arranged above the working plate 8, and the plurality of extraction cylinders 2 are connected to the driving mechanism 3, and the driving mechanism 3 is used for synchronous movement of the plurality of extraction cylinders 2;

[0043] The protection mechanism 4 is arranged at the middle position above the working plate 8. The protection mechanism 4 includes a protection pole 9, a blocking plate group and a protection frame group. The blocking plate group and the protection frame group are both arranged at the upper position of the protection pole 9. The bottom of the protection pole 9 is fixedly connected to the working plate 8. The blocking plate group is used to block the top of the protection mechanism 4. The protection frame group is used to provide support for the dust cover.

[0044] An extraction mechanism 5, which is arranged above the working plate 8 and is used for extracting the reagent;

[0045] The extraction mechanism 5 includes a mounting frame 21, the lower end of which is fixedly connected to the working plate 8, a first linear module 22 is arranged on the inner side of the mounting frame 21, an L-shaped connecting rod 23 is connected to the end of the lifting block of the first linear module 22, a U-shaped connecting rod 24 is fixedly connected to the top of the L-shaped connecting rod 23, a connecting vertical rod 25 is fixedly connected to the lower end of the U-shaped connecting rod 24, a mounting cover 26 is fixedly connected to the lower end of the connecting vertical rod 25, a drag rod 27 is slidably connected to the middle of the mounting cover 26, a piston plate 28 is fixedly connected to the bottom of the drag rod 27; the piston plate 28 is slidably arranged inside the extraction cylinder 2;

[0046] A quantitative extraction component is provided on the outer side of the mounting cover 26 for quantitative extraction of reagents;

[0047] The top of the drag rod 27 passes through the mounting cover 26 and is fixed with a cylinder cleaning assembly for cleaning the interior of the extraction cylinder 2.

[0048] The reagent quantitative extraction equipment for food science and engineering provided by the present invention, by arranging multiple rotatable extraction cylinders 2 on the top of the working plate 8, cooperates with the driving mechanism 3, can control the synchronous positioning and rotation of multiple extraction cylinders 2, so that the extraction cylinders 2 are transferred to the position of the extraction mechanism 5, which is convenient for quantitative extraction of different reagents in sequence, and greatly improves the extraction efficiency of the reagents.

[0049] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings.

[0050] Embodiment 1:

[0051] Please refer to Figure 1 - Fig. 9 , a reagent quantitative extraction device for food science and engineering, comprising:

[0052] A support frame 1, the support frame 1 includes a bottom plate 6, a working plate 8 is arranged above the bottom plate 6, the bottom plate 6 and the working plate 8 are fixedly connected by a plurality of support columns 7, and a plurality of extraction cylinders 2 are arranged in a circular array above the working plate 8; extraction tubes are arranged at the bottom of the extraction cylinders 2; a control valve is arranged on the outside of the extraction tube, and the control valve is closed after the extraction is completed; an observation window is opened on the outside of the extraction cylinder 2, and the amount of reagent inside the extraction cylinder 2 can be observed through the observation window;

[0053] A driving mechanism 3 is arranged above the working plate 8, and the plurality of extraction cylinders 2 are connected to the driving mechanism 3, and the driving mechanism 3 is used for synchronous movement of the plurality of extraction cylinders 2;

[0054] The protection mechanism 4 is arranged at the middle position above the working plate 8. The protection mechanism 4 includes a protection pole 9, a blocking plate group and a protection frame group. The blocking plate group and the protection frame group are both arranged at the upper position of the protection pole 9. The bottom of the protection pole 9 is fixedly connected to the working plate 8. The blocking plate group is used to block the top of the protection mechanism 4. The protection frame group is used to provide support for the dust cover.

[0055] Furthermore, the blocking plate assembly includes a connecting piece 10 and a blocking cover 11. The connecting piece 10 is rotatably connected to the protective upright 9. The blocking cover 11 corresponds to the position of the extraction tube 2. The blocking cover 11 and the connecting piece 10 are fixedly connected via a lifting rod. The setting of the blocking cover 11 can block the top opening of the extraction tube 2. A sealing member is provided at the bottom of the blocking cover 11. When the extraction tube 2 is transferred to the bottom of the blocking cover 11, the opening of the extraction tube 2 can be blocked, which can prevent dust from entering the inside of the extraction tube 2.

[0056] Furthermore, the protective frame assembly includes a lifting frame 43, which is C-shaped. The opening of the lifting frame 43 corresponds to the position of the extraction mechanism 5. A second connecting member 44 is provided on the inner side of the lifting frame 43. The second connecting member 44 is detachably connected to the first connecting member 10 by a fixing bolt 45. The peripheral side of the second connecting member 44 is fixedly connected to the lifting frame 43 by a plurality of fixing support rods 46.

[0057] An extraction mechanism 5, which is arranged above the working plate 8 and is used for extracting the reagent;

[0058] The extraction mechanism 5 includes a mounting frame 21, the lower end of which is fixedly connected to the working plate 8, a first linear module 22 is arranged on the inner side of the mounting frame 21, an L-shaped connecting rod 23 is connected to the lifting block end of the first linear module 22, a U-shaped connecting rod 24 is fixedly connected to the top of the L-shaped connecting rod 23, a connecting vertical rod 25 is fixedly connected to the lower end of the U-shaped connecting rod 24, a mounting cover 26 is fixedly connected to the lower end of the connecting vertical rod 25, a drag rod 27 is slidably connected to the middle of the mounting cover 26, a piston plate 28 is fixedly connected to the bottom of the drag rod 27; the piston plate 28 is slidably arranged inside the extraction cylinder 2; it should be noted that the drag rod 27 is slidably arranged in the middle of the mounting cover 26, and when the drag rod 27 is raised, the piston plate 28 is fixedly connected to the bottom of the piston plate 28 ... The piston plate 28 is pulled up inside the extraction cylinder 2, so that the extraction tube at the bottom of the extraction cylinder 2 extracts the reagent; further, the first linear module 22 includes a screw, a slider, a guide rail and a driving element, the guide rail is used to provide a stable and accurate linear motion path, and the screw is used to convert the rotational motion of the driving element into a linear motion; wherein, the installation cover 26 is controlled to rise by the first linear module 22, at which time the drag rod 27 and the piston plate 28 are located outside, and the components can be cleaned, and the extraction cylinder 2 that has been extracted is moved by starting the driving mechanism 3, so that the next extraction cylinder 2 is located under the installation cover 26, and the installation cover 26 is continuously controlled to be connected to the extraction cylinder 2 to extract the reagent of the next extraction cylinder 2;

[0059] A quantitative extraction component is provided on the outer side of the mounting cover 26 for quantitative extraction of reagents;

[0060] The top of the drag rod 27 passes through the mounting cover 26 and is fixed with a cylinder cleaning assembly for cleaning the interior of the extraction cylinder 2.

[0061] Embodiment 2:

[0062] The quantitative extraction device for food science and engineering reagents provided in Example 1 is further optimized, specifically, as Figure 5As shown, the quantitative extraction component includes a second mounting frame 29, one side of which is fixedly connected to the mounting cover 26, a second linear module 30 is arranged inside the second mounting frame 29, an arc plate 31 is connected to the end of the lifting block of the second linear module 30, an end of the arc plate 31 away from the second linear module 30 is fixedly connected to an inverted L-shaped connecting arm 32, and the top of the inverted L-shaped connecting arm 32 is fixedly connected to the part of the drag rod 27 located outside the extraction cylinder 2; the quantitative extraction component also includes a fixing plate 33, fixed The lower part of the fixed plate 33 is rotatably connected to an adjusting screw rod 34, the top of the adjusting screw rod 34 is provided with an adjusting knob, the outer side of the adjusting screw rod 34 is threadedly connected to a quantitative lifting rod 35, one end of the quantitative lifting rod 35 away from the adjusting screw rod 34 is vertically slidably connected to the inverted L-shaped connecting arm 32, a touch switch 36 is provided at the lower end of the quantitative lifting rod 35 and at a position corresponding to the inverted L-shaped connecting arm 32, and a contact block is provided at the lower end of the inverted L-shaped connecting arm 32 and at a position directly below the touch switch 36.

[0063] Through the above-mentioned structural design, the second linear module 30 has the same structure as the first linear module 22, and the touch switch 36 in the second linear module 30 is electrically connected to the driving element in the second linear module 30. The arc plate 31 can be controlled to rise through the second linear module 30. The rise of the arc plate 31 drives the inverted L-shaped connecting arm 32 to rise, and the inverted L-shaped connecting arm 32 is fixed to the drag rod 27. When the inverted L-shaped connecting arm 32 rises, it drives the drag rod 27 to rise, so that the piston plate 28 is pulled up inside the extraction cylinder 2 by the drag rod 27, so that the extraction tube at the bottom of the extraction cylinder 2 extracts the external reagent into the extraction cylinder 2. After the piston plate 28 rises to a certain height, the contact block on the inverted L-shaped connecting arm 32 touches the touch switch 36 at the bottom of the quantitative lifting rod 35. At this time, the touch switch 36 controls the second linear module 30 to stop working, so that the reagent extraction ends and the purpose of quantitative extraction is achieved. During the lifting process, the quantitative lifting rod 35 is vertically slidably connected to the inverted L-shaped connecting arm 32, thereby ensuring that the quantitative lifting rod 35 can stably slide in the vertical direction. The top of the extraction cylinder 2 is provided with an exhaust hole, which is convenient for the piston plate 28 to slide inside the extraction cylinder 2.

[0064] Embodiment 3:

[0065] The quantitative extraction device for food science and engineering reagents provided in Example 1 is further optimized, specifically, as Figure 6As shown, the drum cleaning assembly includes a mounting cross frame 37, which is fixedly connected to the drag rod 27, the interior of the drag rod 27 is hollow, and an output port 42 connected to the interior of the drag rod 27 is provided on the outer side of the drag rod 27, and an access piece 38 is fixedly connected to the top of the drag rod 27. A water pump 39 and a fan 40 are respectively arranged on the mounting cross frame 37, and the water outlet end of the water pump 39 is connected to a water supply pipe, which is connected to the access piece 38, and the air outlet end of the fan 40 is connected to an air supply pipe, which is connected to the access piece 38, and both the water supply pipe and the air supply pipe are provided with a solenoid valve 41 for control.

[0066] The water inlet end of the water pump 39 is connected to a water pumping pipe, and the end of the water pumping pipe away from the water pump 39 is connected to a water tank, which is located between the bottom plate 6 and the working plate 8; the air inlet end of the fan 40 is connected to the outside.

[0067] Through the above-mentioned structural design, when it is necessary to clean the extraction cylinder 2, the water pump 39 works, and the extracted water is placed in the extraction cylinder 2. The second linear module 30 controls the internal piston plate 28 to rise, and the extraction cylinder 2 is flushed. After the flushing is completed, the fan 40 works, and the extracted air is blown into the extraction cylinder 2 through the output port 42 for drying, thereby achieving the cleaning of multiple extraction cylinders 2 in turn.

[0068] Furthermore, water inlet and outlet ports are respectively provided at the top and bottom of the water tank, and control valves are provided on the outside of the water inlet and outlet ports. Water can be introduced into the water tank from the inlet port at the top of the water tank, and the water outlet port is provided to facilitate the discharge of water in the water tank. The water tank is provided on the bottom plate 6, which can enhance the stability of the device.

[0069] Embodiment 4:

[0070] The quantitative extraction device for food science and engineering reagents provided in Example 1 is further optimized, specifically, as Figure 7-Figure 8 As shown, the driving mechanism 3 includes an annular frame 12, which is used for rotational connection with the working plate 8. The outer side of the annular frame 12 is fixedly connected to each extraction cylinder 2 through a connecting plate 13. The connecting plate 13 is provided with a positioning member 14 for rotational positioning of the extraction cylinder 2. The inner side of the annular frame 12 is fixedly connected with an inner gear ring 15. The upper end of the working plate 8 and the inner side of the annular frame 12 are rotationally connected with a driving gear 16. The driving gear 16 is meshed with the inner gear ring 15. A driving shaft is provided in the middle of the driving gear 16, and the driving shaft is driven by a motor.

[0071] Through the above structural design, by starting the motor connected to the drive shaft, the drive shaft drives the drive gear 16 to rotate, and the drive gear 16 is meshed with the inner gear ring 15, so that when the drive gear 16 rotates, it can synchronously drive the annular frame 12 to rotate, and then the rotating annular frame 12 drives the extraction cylinder 2 to rotate synchronously through the connecting plate 13.

[0072] In this embodiment, the positioning member 14 includes an outer shell 17, which is fixedly connected to the connecting plate 13. A positioning ball 19 is movably connected to the lower end of the outer shell 17. A thrust spring 18 is provided inside the outer shell 17 to push the positioning ball 19 to move outward. The upper end of the working plate 8 is provided with positioning buckle grooves 20 in a ring array. The positioning ball 19 is buckled and connected with the positioning buckle grooves 20 to achieve a positioning effect.

[0073] In other embodiments, the positioning member 14 may be a position sensor, a sensing unit is set at the position of the positioning buckle groove 20, and the positioning member 14 is connected to the motor drive connected to the drive shaft, so that after the positioning member 14 senses the position of the positioning buckle groove 20, the motor connected to the drive shaft is controlled to stop, thereby achieving a positioning effect.

Claims

1. A quantitative extraction device for reagents in food science and engineering, characterized in that: include: A support base (1), the support base (1) comprising a bottom plate (6), a working plate (8) being arranged above the bottom plate (6), the bottom plate (6) and the working plate (8) being fixedly connected via a plurality of support columns (7), a plurality of extraction cylinders (2) being arranged in a circular array above the working plate (8); an extraction pipe being arranged at the bottom of each of the extraction cylinders (2); A driving mechanism (3) is arranged above the working plate (8), and the plurality of extraction cylinders (2) are all connected to the driving mechanism (3), and the driving mechanism (3) is used for synchronous movement of the plurality of extraction cylinders (2); A protective mechanism (4) is arranged at a position in the middle above the working plate (8), the protective mechanism (4) comprises a protective upright pole (9), a blocking plate group and a protective frame group, the blocking plate group and the protective frame group are both arranged at the upper position of the protective upright pole (9), the bottom of the protective upright pole (9) is fixedly connected to the working plate (8), the blocking plate group is used to block the top of the protective mechanism (4), and the protective frame group is used to provide support for the dust cover; An extraction mechanism (5), which is arranged above the working plate (8) and is used for extracting the reagent; The extraction mechanism (5) comprises a mounting frame (21), the lower end of which is fixedly connected to the working plate (8), a first linear module (22) is arranged on the inner side of the mounting frame (21), an end of a lifting block of the first linear module (22) is connected to an L-shaped connecting rod (23), the top of the L-shaped connecting rod (23) is fixedly connected to a U-shaped connecting rod (24), the lower end of the U-shaped connecting rod (24) is fixedly connected to a connecting vertical rod (25), the lower end of the connecting vertical rod (25) is fixedly connected to a mounting cover (26), the middle part of the mounting cover (26) is slidably connected to a drag rod (27), the bottom of the drag rod (27) is fixedly connected to a piston plate (28); the piston plate (28) is slidably arranged inside the extraction cylinder (2); A quantitative extraction component is arranged on the outer side of the installation cover (26) for quantitative extraction of reagents; The top of the drag rod (27) passes through the mounting cover (26) and is fixedly provided with a cylinder cleaning assembly for cleaning the interior of the extraction cylinder (2).

2. The reagent quantitative extraction equipment for food science and engineering according to claim 1, characterized in that: The quantitative extraction component comprises a second mounting frame (29), one side of which is fixedly connected to the mounting cover (26), a second linear module (30) is arranged inside the second mounting frame (29), an end of the lifting block of the second linear module (30) is connected to an arc plate (31), an end of the arc plate (31) away from the second linear module (30) is fixedly connected to an inverted L-shaped connecting arm (32), the top of the inverted L-shaped connecting arm (32) is fixedly connected to a portion of the drag rod (27) located outside the extraction cylinder (2); the quantitative extraction component also comprises a fixing plate (33), The lower part of the fixing plate (33) is rotatably connected to an adjusting screw rod (34), the top of the adjusting screw rod (34) is provided with an adjusting knob, the outer side of the adjusting screw rod (34) is threadedly connected to a quantitative lifting rod (35), one end of the quantitative lifting rod (35) away from the adjusting screw rod (34) is vertically slidably connected to the inverted L-shaped connecting arm (32), a touch switch (36) is provided at the lower end of the quantitative lifting rod (35) and at a position corresponding to the inverted L-shaped connecting arm (32), and a contact block is provided at the lower end of the inverted L-shaped connecting arm (32) and at a position directly below the touch switch (36).

3. The reagent quantitative extraction equipment for food science and engineering according to claim 1, characterized in that: The drum cleaning assembly comprises a mounting cross frame (37), the mounting cross frame (37) is fixedly connected to the drag rod (27), the interior of the drag rod (27) is hollow, the outer side of the drag rod (27) is provided with an output port (42) connected to the interior of the drag rod (27), the top of the drag rod (27) is fixedly connected with an access piece (38), a water pump (39) and a fan (40) are respectively arranged on the mounting cross frame (37), the water outlet end of the water pump (39) is connected with a water supply pipe, the water supply pipe is connected to the access piece (38), the air outlet end of the fan (40) is connected with an air supply pipe, the air supply pipe is connected to the access piece (38), and both the water supply pipe and the air supply pipe are provided with a solenoid valve (41) for control.

4. The quantitative extraction device for reagents in food science and engineering according to claim 3, characterized in that: The water inlet end of the water pump (39) is connected to a water pumping pipe, and the end of the water pumping pipe away from the water pump (39) is connected to a water tank, and the water tank is located between the bottom plate (6) and the working plate (8); the air inlet end of the fan (40) is connected to the outside.

5. The reagent quantitative extraction equipment for food science and engineering according to claim 1, characterized in that: The driving mechanism (3) comprises an annular frame (12), the annular frame (12) being used for rotational connection with the working plate (8), the outer side of the annular frame (12) being fixedly connected to each extraction cylinder (2) via a connecting plate (13), the connecting plate (13) being provided with a positioning member (14) for rotational positioning of the extraction cylinder (2), the inner side of the annular frame (12) being fixedly connected with an inner gear ring (15), the upper end of the working plate (8) and located on the inner side of the annular frame (12) being rotationally connected with a driving gear (16), the driving gear (16) being meshingly connected with the inner gear ring (15), the middle part of the driving gear (16) being provided with a driving shaft, the driving shaft being driven by a motor.

6. The reagent quantitative extraction equipment for food science and engineering according to claim 5, characterized in that: The positioning member (14) comprises an outer shell (17), the outer shell (17) is fixedly connected to the connecting plate (13), a positioning ball (19) is movably connected to the lower end of the outer shell (17), a thrust spring (18) is arranged inside the outer shell (17) to push the positioning ball (19) to move outward, and a positioning buckle groove (20) is formed in an annular array at the upper end of the working plate (8), and the positioning ball (19) is buckled and connected to the positioning buckle groove (20).

7. The reagent quantitative extraction equipment for food science and engineering according to claim 1, characterized in that: The blocking plate assembly comprises a connecting piece (10) and a blocking cover (11); the connecting piece (10) is rotatably connected to the protective upright pole (9); the blocking cover (11) corresponds to the position of the extraction cylinder (2); and the blocking cover (11) and the connecting piece (10) are fixedly connected via a lifting rod.

8. The reagent quantitative extraction equipment for food science and engineering according to claim 1, characterized in that: The protective frame assembly comprises a lifting frame (43), the lifting frame (43) is arranged in a C shape, the opening of the lifting frame (43) corresponds to the position of the extraction mechanism (5), a second connecting member (44) is arranged on the inner side of the lifting frame (43), the second connecting member (44) is detachably connected to the first connecting member (10) via a fixing bolt (45), and the peripheral side of the second connecting member (44) is fixedly connected to the lifting frame (43) via a plurality of fixing support rods (46).

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