CN116136469B - Extraction device for food detection - Google Patents
Extraction device for food detection Download PDFInfo
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- CN116136469B CN116136469B CN202310271174.0A CN202310271174A CN116136469B CN 116136469 B CN116136469 B CN 116136469B CN 202310271174 A CN202310271174 A CN 202310271174A CN 116136469 B CN116136469 B CN 116136469B
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- extraction
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- sampling
- piston rod
- crushing bin
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
- G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses an extraction device for food detection, which comprises a crushing bin, a guide cylinder, a piston rod, an extraction cylinder and a gripper assembly, wherein a plurality of guide cylinders are circumferentially arranged in the crushing bin, openings communicated with the crushing bin are formed in the guide cylinder so as to obtain fluid in the crushing bin, and the piston rod is vertically and slidably connected in the guide cylinder; a sampling component is arranged on one side of the extraction cylinder; the extraction cylinder is also provided with a liquid supply head for supplying extraction liquid; be provided with the tongs subassembly in the extraction section of thick bamboo, works as extraction section of thick bamboo and draft tube sealing connection, the tongs subassembly can snatch the piston rod, later the tongs subassembly then continues to promote the piston rod for extract on the piston rod gets into in the draft tube and corresponds to the sampling assembly.
Description
Technical Field
The invention relates to the technical field of extraction, in particular to an extraction device for food detection.
Background
When the existing extraction device is used for extracting food so as to realize detection of specific elements, detection liquid needs to be pumped, extraction liquid is injected into the detection liquid, in the process, the extraction liquid can dissolve specific substances in the detection liquid, and then the extraction liquid is extracted.
Therefore, it is necessary to provide an extraction device for food detection to solve the above-mentioned problems in the prior art.
Disclosure of Invention
In order to achieve the above purpose, the present invention provides the following technical solutions: the extraction device for food detection comprises a crushing bin, a guide cylinder, a piston rod, an extraction cylinder and a gripper assembly, wherein a plurality of guide cylinders are circumferentially arranged in the crushing bin, an opening communicated with the crushing bin is formed in the guide cylinder so as to acquire fluid in the crushing bin, and the piston rod is vertically and slidably connected in the guide cylinder;
a sampling component is arranged on one side of the extraction cylinder;
the extraction cylinder is also provided with a liquid supply head for supplying extraction liquid;
be provided with the tongs subassembly in the extraction section of thick bamboo, works as extraction section of thick bamboo and draft tube sealing connection, the tongs subassembly can snatch the piston rod, later the tongs subassembly then continues to promote the piston rod for extract on the piston rod gets into in the draft tube and corresponds to the sampling assembly.
Further, preferably, an external thread is arranged on the outer surface of the opening of the guide cylinder, and the guide cylinder is rotatably arranged in the crushing bin and has rotation power;
the inner side of the opening of the extraction cylinder is provided with a threaded ring corresponding to the external threads.
Further, preferably, the guide cylinder is provided with a plurality of communication ports distributed in the circumferential direction, and one side of each communication port is provided with a capturing plate.
Further, preferably, the inner wall of the extraction cylinder is further provided with a sealing element located below the threaded ring, the inner wall of the extraction cylinder is further provided with a sealing limiting ring located above the threaded ring, and the sealing limiting ring can be connected with the piston rod in a sealing sliding manner and provides upper limiting for the guide cylinder.
Further, as the preference, the extraction section of thick bamboo carries out altitude mixture control by altitude mixture control subassembly, altitude mixture control subassembly includes mounting bracket, gag lever post and slide, wherein, be fixed with the gag lever post on the mounting bracket, sliding connection on the gag lever post the slide, the both sides of slide all articulate there is first body of rod, the other end of first body of rod articulates there is the second body of rod, the other end of second body of rod links to each other with the output of revolving cylinder, the revolving cylinder is fixed in on the mounting bracket.
Further, preferably, the liquid inlet end of the liquid supply head is communicated with a main pipe, the main pipe is connected with a plurality of branch pipes in parallel, and the branch pipes are correspondingly communicated into the partition chambers of the liquid supply bin.
Further, as the preference, the tongs subassembly includes tongs, rope body and receive and release wheel, wherein the top of tongs adopts rope body to link to each other with receive and release wheel, still rotate and be provided with the guide pulley that provides the direction for the rope body in the extraction section of thick bamboo.
Further, as the preference, the sampling assembly includes sample storehouse, sampling port and sampling plug, wherein, sample storehouse vertical fixation communicates in the lateral part of extraction section of thick bamboo, the well upper portion in sample storehouse is provided with the sampling port, sliding connection has the sampling plug in the sample storehouse, the sampling plug is driven by the telescopic link.
Further preferably, a ring groove is formed on the outer side of the top of the piston rod.
Further preferably, the crushing bin is driven by a feed motor, and an ultrasonic oscillator is further embedded in the crushing bin.
Compared with the prior art, the invention provides an extraction device for food detection, which has the following beneficial effects:
in the embodiment of the invention, when the plug body moves to be positioned above the opening of the guide cylinder, the liquid supply head can inject the extracting liquid into the guide cylinder, and when the piston rod sends the fluid in the guide cylinder into the extracting cylinder, the extracting liquid can finish extracting substances in the fluid, so that the efficiency is high, the process of sending the fluid in the guide cylinder into the extracting cylinder by the piston rod is not a sucking process, the state of the fluid and the extracting liquid can be maintained, and the height of the piston rod is adjustable, so that the piston rod can be continuously lifted by the gripper assembly, and the extracting liquid on the piston rod enters the guide cylinder and corresponds to the sampling assembly.
Drawings
FIG. 1 is a schematic diagram of an extraction device for food detection;
FIG. 2 is a schematic diagram of a height adjustment assembly of an extraction device for food detection;
FIG. 3 is a schematic view of the structure of a gripper assembly and a sampling assembly in an extraction device for food detection;
fig. 4 is a schematic structural view of a guide cylinder in an extraction device for food detection.
Reference numerals: 1. crushing bin; 2. a guide cylinder; 3. a piston rod; 4. an extraction cylinder; 5. a gripper assembly; 6. a liquid supply head; 7. a sampling assembly; 8. a height adjustment assembly; 9. a feed motor; 10. a liquid supply bin; 11. a branch pipe; 12. a header pipe; 81. a mounting frame; 82. a limit rod; 83. a slide; 84. a first rod body; 85. a second rod body; 86. a rotary cylinder; 51. a grip; 52. a rope body; 53. a guide wheel; 54. a retractable wheel; 71. sampling bin; 72. a sampling port; 73. a sampling plug; 74. a telescopic rod; 41. a seal; 42; a threaded ring; 43. sealing limit rings; 21. a communication port; 22. a capture plate; 23. an external thread; 31. and a ring groove.
Detailed Description
Examples: referring to fig. 1 to 4, in an embodiment of the present invention, an extraction device for food detection includes a crushing bin 1, a guide cylinder 2, a piston rod 3, an extraction cylinder 4, and a gripper assembly 5, wherein a plurality of guide cylinders 2 are circumferentially arranged in the crushing bin 1, the guide cylinder 2 is provided with an opening communicating with the crushing bin 1 so as to obtain fluid in the crushing bin 1, and the guide cylinder 2 is also vertically and slidably connected with the piston rod 3;
a sampling component 7 is arranged on one side of the extraction cylinder 4;
the extraction cylinder 4 is also provided with a liquid supply head 6 for supplying extraction liquid;
be provided with tongs subassembly 5 in the extraction section of thick bamboo 4, when extraction section of thick bamboo 4 and draft tube 2 sealing connection, tongs subassembly can snatch piston rod 3, later tongs subassembly 5 then continue to promote piston rod 3 for the extraction liquid on piston rod 3 gets into in the draft tube 2 and corresponds sampling assembly 7.
In this embodiment, the piston rod 3 includes a stopper body and a rod body, the stopper body is connected to the rod body, the fluid in the guide cylinder 2 can be sent to the extraction cylinder 4 through the piston rod 3, wherein when the stopper body moves to be located above the opening of the guide cylinder 2, the liquid supply head 6 can inject the extraction liquid into the guide cylinder 2, when the piston rod 3 sends the fluid in the guide cylinder 2 to the extraction cylinder 4, the extraction liquid can finish extracting substances in the fluid, and the process of the piston rod 3 sending the fluid in the guide cylinder 2 to the extraction cylinder 4 is not a pumping process, which can maintain the states of the fluid and the extraction liquid, specifically, when the density of the extraction liquid is greater than that of the fluid, the extraction liquid is located below the fluid, when the density of the extraction liquid is less than that of the fluid, the extraction liquid is located above the fluid, the piston rod maintains the states of the fluid and the extraction liquid so as to facilitate the subsequent direct sampling of the sampling assembly 7, and the height of the piston rod is adjustable, so that the extraction liquid on the piston rod 3 can continue to be lifted through the gripper assembly 5, so that the extraction liquid on the piston rod 3 enters the guide cylinder 2 and corresponds to the sampling assembly 7.
Moreover, the volume of the guide cylinder 2 is far smaller than that of the crushing bin 1, and a plurality of guide cylinders 2 are arranged in the crushing bin 1, and the guide cylinder 2 is of an open structure due to a plurality of openings, so that fluid can be conveniently and directly obtained from the crushing bin 1, and extraction of different substances can be conveniently carried out for a plurality of times.
In order to enable the liquid in the guide cylinder 2 to smoothly enter the extraction cylinder 4, an external thread 23 is arranged on the outer surface of an opening of the guide cylinder 2, and the guide cylinder 2 is rotatably arranged in the crushing bin 1 and has rotation power;
the inside of the opening of the extraction cylinder 4 is provided with a threaded ring 42 corresponding to the external thread, it should be explained here that when the guide cylinder 2 rotates, the external thread 23 can be connected with the threaded ring 42, and when the guide cylinder 2 is not in contact with the extraction cylinder 4, the rotation of the guide cylinder 2 can stir the fluid in the crushing bin 1, in order to improve the stirring capability, the guide cylinder 2 is provided with a plurality of communication ports 21 distributed circumferentially, the communication ports 21 are openings serving as the guide cylinder 2, and one side of the communication ports 21 is provided with a capturing plate 22.
In order to further improve the tightness of the connection of the guide shell 2 with the extraction shell 4, the inner wall of the extraction shell 4 is also provided with a sealing element 41 below the threaded ring 42,
further, a sealing limit ring 43 located above the threaded ring 42 is further disposed on the inner wall of the extraction cylinder 4, and the sealing limit ring 43 can be connected with the piston rod 3 in a sealing sliding manner and provide an upper limit for the guide cylinder 2.
In this embodiment, the extraction section of thick bamboo 4 carries out the altitude mixture control by altitude mixture control subassembly 8, altitude mixture control subassembly 8 includes mounting bracket 81, gag lever post 82 and slide 83, wherein, be fixed with gag lever post 82 on the mounting bracket 81, sliding connection on the gag lever post 82 slide 83, the both sides of slide 83 all articulate there is first body of rod 84, the other end of first body of rod 84 articulates there is second body of rod 85, the other end of second body of rod 85 links to each other with the output of revolving cylinder 86, revolving cylinder 86 is fixed in on the mounting bracket 81.
In this embodiment, the liquid inlet end of the liquid supply head 6 is connected to a main pipe 12, and a plurality of branch pipes 11 are connected to the main pipe 12 in parallel, and the branch pipes 11 are correspondingly connected to the compartments of the liquid supply bin 10.
Different extraction liquids are placed in each compartment, so that the liquid supply head 6 supplies different extraction liquids into the extraction cartridge 4.
In this embodiment, the gripper assembly 5 includes a gripper 51, a rope 52 and a winding and unwinding wheel 54, where the top of the gripper 51 is connected to the winding and unwinding wheel 54 by using the rope 52, and a guide wheel 53 for guiding the rope is further rotatably disposed in the extraction drum 4.
In this embodiment, the sampling assembly 7 includes a sampling bin 71, a sampling port 72 and a sampling plug 73, where the sampling bin 71 is vertically fixedly connected to a side portion of the extraction cylinder 4, the sampling port 72 is disposed at an upper middle portion of the sampling bin 71, the sampling plug 73 is slidably connected to the sampling bin 71, and the sampling plug 73 is driven by a telescopic rod 74, and a valve body can be disposed at the sampling port.
As a preferred embodiment, the top outer side of the piston rod 3 is provided with a ring groove 31, and the grip 51 can be snapped on the ring groove 31.
In this embodiment, the crushing bin 1 is driven by a feeding motor 9, and an ultrasonic oscillator is further embedded in the crushing bin 1 so as to perform an oscillating crushing treatment on the food.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (7)
1. An extraction device for food detection, which is characterized in that: the device comprises a crushing bin (1), guide barrels (2), a piston rod (3), an extraction barrel (4) and a gripper assembly (5), wherein a plurality of guide barrels (2) are circumferentially arranged in the crushing bin (1), the guide barrels (2) are provided with openings communicated with the crushing bin (1) so as to acquire fluid in the crushing bin (1), and the guide barrels (2) are vertically and slidably connected with the piston rod (3);
one side of the extraction cylinder (4) is provided with a sampling component (7);
the extraction cylinder (4) is also provided with a liquid supply head (6) for supplying extraction liquid;
the extraction cylinder (4) is internally provided with a gripper assembly (5), when the extraction cylinder (4) is in sealing connection with the guide cylinder (2), the gripper assembly can grasp the piston rod (3), and then the gripper assembly (5) continuously lifts the piston rod (3) so that extraction liquid on the piston rod (3) enters the guide cylinder (2) and corresponds to the sampling assembly (7);
an external thread (23) is arranged on the outer surface of the opening of the guide cylinder (2), and the guide cylinder (2) is rotatably arranged in the crushing bin (1) and has rotation power;
a thread ring (42) corresponding to the external thread is arranged on the inner side of the opening of the extraction cylinder (4);
the gripper assembly (5) comprises a gripper (51), a rope body (52) and a winding and unwinding wheel (54), wherein the top of the gripper (51) is connected with the winding and unwinding wheel (54) by adopting the rope body (52), and a guide wheel (53) for providing guidance for the rope body is further rotatably arranged in the extraction cylinder (4);
the sampling assembly (7) comprises a sampling bin (71), a sampling port (72) and a sampling plug (73), wherein the sampling bin (71) is vertically and fixedly communicated with the side part of the extraction barrel (4), the sampling port (72) is arranged at the middle upper part of the sampling bin (71), the sampling plug (73) is connected in the sampling bin (71) in a sliding manner, and the sampling plug (73) is driven by a telescopic rod (74).
2. The extraction device for food detection according to claim 1, wherein: a plurality of circumferentially distributed communication ports (21) are formed in the guide cylinder (2), and a catching plate (22) is arranged on one side of the communication ports (21).
3. The extraction device for food detection according to claim 1, wherein: the inner wall of extraction section of thick bamboo (4) still is provided with sealing member (41) that are located screwed ring (42) below, the inner wall of extraction section of thick bamboo (4) still is provided with sealed spacing ring (43) that are located screwed ring (42) top, sealed spacing ring (43) can link to each other with piston rod (3) sealed slip and provide spacing to draft tube (2).
4. The extraction device for food detection according to claim 1, wherein: the extraction section of thick bamboo (4) is highly regulated by altitude mixture control subassembly (8), altitude mixture control subassembly (8) are including mounting bracket (81), gag lever post (82) and slide (83), wherein, be fixed with gag lever post (82) on mounting bracket (81), sliding connection on gag lever post (82) slide (83), the both sides of slide (83) all articulate there is first body of rod (84), the other end of first body of rod (84) articulates there is second body of rod (85), the other end of second body of rod (85) links to each other with the output of rotary cylinder (86), rotary cylinder (86) are fixed in on mounting bracket (81).
5. The extraction device for food detection according to claim 1, wherein: the liquid inlet end of the liquid supply head (6) is communicated with a main pipe (12), a plurality of branch pipes (11) are connected in parallel on the main pipe (12), and the branch pipes (11) are correspondingly communicated into the separation chambers of the liquid supply bin (10).
6. The extraction device for food detection according to claim 1, wherein: an annular groove (31) is formed in the outer side of the top of the piston rod (3).
7. The extraction device for food detection according to claim 1, wherein: the crushing bin (1) is driven by a feeding motor (9), and an ultrasonic oscillator is further embedded in the crushing bin (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310271174.0A CN116136469B (en) | 2023-03-20 | 2023-03-20 | Extraction device for food detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310271174.0A CN116136469B (en) | 2023-03-20 | 2023-03-20 | Extraction device for food detection |
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| Publication Number | Publication Date |
|---|---|
| CN116136469A CN116136469A (en) | 2023-05-19 |
| CN116136469B true CN116136469B (en) | 2023-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310271174.0A Active CN116136469B (en) | 2023-03-20 | 2023-03-20 | Extraction device for food detection |
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|---|---|
| CN116136469A (en) | 2023-05-19 |
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