CN118032461B - Food preservative survey is with appearance liquid preparation facilities - Google Patents
Food preservative survey is with appearance liquid preparation facilities Download PDFInfo
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- CN118032461B CN118032461B CN202410424373.5A CN202410424373A CN118032461B CN 118032461 B CN118032461 B CN 118032461B CN 202410424373 A CN202410424373 A CN 202410424373A CN 118032461 B CN118032461 B CN 118032461B
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- 239000007788 liquid Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 25
- 239000005452 food preservative Substances 0.000 title claims abstract description 20
- 235000019249 food preservative Nutrition 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000011084 recovery Methods 0.000 claims description 26
- 238000003825 pressing Methods 0.000 claims description 20
- 238000007789 sealing Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 6
- 238000004064 recycling Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000000523 sample Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000013068 control sample Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010812 external standard method Methods 0.000 description 1
- 238000010813 internal standard method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000012086 standard solution Substances 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/02—Food
-
- 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
- G01N2001/2893—Preparing calibration standards
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Food Science & Technology (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a sample liquid preparation device for food preservative determination, and relates to the technical field of sample liquid preparation. This food preservative survey is with sample liquid preparation facilities, through setting up of holding ring and bottom support and driving ring, when carrying out the operation of demarcating, only need place the volumetric flask in the driving disk top, then move down with demarcating container and bottom support, can accomplish automatically and fix a position the volumetric flask, then carry out the operation of demarcating, compare more convenient in traditional sample liquid preparation, the operating efficiency of equipment has been promoted, cooperation through drip proof subassembly, when demarcating the container and drive the bottom support and move down, and when accomplishing and demarcating the operation back and reset, can make the cooperation of components such as deflector and torsional spring retrieve the drip, avoid demarcating the inside solution of container and appear the phenomenon of drip, be convenient for the equipment follow-up operation of demarcating, the maintenance convenience of equipment has been promoted simultaneously.
Description
Technical Field
The invention relates to the technical field of sample liquid preparation, in particular to a sample liquid preparation device for food preservative determination.
Background
The external standard method is opposite to the internal standard method, namely, a certain amount of standard substance is added into a blank solvent according to a gradient to prepare a control sample, and the control sample is processed and detected in parallel with an unknown sample; standard substances with different concentrations are sampled, a standard curve is drawn by taking the peak area as a value, so that the quantitative method for calculating the concentration of the measured component in the unknown sample is deduced, and the method refers to Chinese patent, and the application number is as follows: the patent proposes a sample liquid preparation device for measuring a preservative in food, which is characterized in that when the conventional standard sample liquid is prepared, a volumetric flask is used for manually calibrating and preparing a gradient concentration standard solution, repeated operation is needed, the requirement on personnel is high, the problems of complicated operation mode, influence on the operation efficiency and the like still exist, and the phenomena of dripping and the like easily occur in the solution in the operation process, so that the subsequent calibration and the maintenance of equipment are influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sample liquid preparation device for food preservative determination, which solves the problems in the prior art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the sample liquid preparation device for food preservative determination comprises a machine body, wherein the bottom of the inner side of the machine body is rotationally connected with a transmission disc for driving a volumetric flask placed above to rotate;
the positioning device is characterized in that a positioning ring is fixed in the machine body, a bottom bracket is connected below the positioning ring in a sliding manner, a calibration container is clamped between the bottom bracket and the positioning ring, a sealing piston is connected in the positioning ring in a sliding manner, and the sealing piston is used for being inserted into the calibration container and driving the calibration container to move downwards to be inserted into the volumetric flask for calibration operation;
The lower part of the positioning ring is connected with a transmission ring in a vertical sliding way, the bottom of the transmission ring is rotationally connected with a swivel, and a plurality of guide plates are fixed on the outer side of the swivel and used for moving downwards against the bottom bracket to position the volumetric flask;
The inside antidrip liquid subassembly that is equipped with of organism is used for retrieving the liquid that marks the container drip.
Preferably, the inside sliding connection of organism has the base dish from top to bottom, and base dish bottom is fixed with supporting spring, the driving disk rotates the top surface of connecting at the base dish, sliding connection has the guide ring from top to bottom on the driving disk top surface, and the guide ring top surface rotates installs a plurality of guide balls, is fixed with a plurality of reset springs between guide ring bottom and the driving disk, driving disk top surface middle part position fixed mounting has anti-skidding gasket.
Preferably, a driving motor is fixed in the machine body, a driving gear is fixedly sleeved at the output end of the driving motor, and the driving gear is meshed with the transmission disc and used for driving the transmission disc to rotate.
Preferably, the top surface of the transmission disc is provided with an annular groove, and a plurality of return springs and anti-slip gaskets are fixed in the annular groove.
Preferably, the locating ring bottom both sides all are fixed with the gag lever post, the organism top surface is fixed with the pneumatic cylinder, the piston end sliding sleeve of pneumatic cylinder has pressed the frame concave, and piston end fixed connection is to sealed piston, be connected with the spring body between concave pressing frame and the sealed piston, the notch has been seted up to the locating ring inside, concave pressing frame is located notch inside and bottom both ends all laminate each other with demarcation container top surface.
Preferably, the bottom bracket is connected with the two limiting rods in a sliding manner, and positioning springs are connected between the bottom of the bottom bracket and the corresponding limiting rods.
Preferably, loop bars are fixed on two sides of the top surface of the driving ring, internal pressure bars are connected inside the loop bars in a sliding manner, a pressing spring is fixed between the end part of the internal pressure bar and the corresponding inside of the loop bars, the internal pressure bars on two sides are symmetrical to each other and are respectively located under the calibration container, and sliding bars are fixedly installed on two sides of the top surface of the driving ring.
Preferably, the end part of the calibration container is fixedly provided with a rubber head, and the inside of the sealing piston is fixedly provided with a one-way valve.
Preferably, the drip-proof component comprises a positioning frame, the positioning frame is fixed inside the machine body, a sliding plate is connected inside the positioning frame in a sliding manner, a pressing rod is fixed on the top surface of the sliding plate, the end part of the pressing rod is located under the bottom support, a rotating shaft is fixedly arranged on the top surface of the sliding plate and is connected with a recovery plate through the rotating shaft in a rotating manner, the recovery plate is located under the calibration container, a guide rod is fixed on the side surface of the positioning frame and used for driving the recovery plate to rotate along the rotating shaft in the descending process, and a torsion spring is sleeved on the outer side of the rotating shaft and used for driving the recovery plate to reset.
Preferably, the guide rod is obliquely installed, and the top surface of the recovery plate is provided with a recovery groove.
The invention provides a sample liquid preparation device for food preservative determination. Compared with the prior art, the method has the following beneficial effects:
(1) This food preservative survey is with appearance liquid preparation facilities, through setting up of holding ring and bottom support and drive ring, when carrying out the operation of demarcating, only need place the volumetric flask in the driving disk top, then move down along with demarcating container and bottom support, can accomplish voluntarily and fix a position the volumetric flask, then mark the operation, it is more convenient than traditional appearance liquid preparation, has promoted the operating efficiency of equipment.
(2) This sample liquid preparation facilities is used in food preservative survey, through the cooperation of driving ring and a plurality of deflector and guide ring, when the driving ring moves down along with the bottom support and fixes a position the volumetric flask, along with the cooperation of a plurality of deflector and guide ring, can make the volumetric flask translate along a plurality of direction balls and lead, until keep coaxial with driving disk and driving ring, can drive through the driving disk operation and obtain the volumetric flask rotation after demarcating and mix the liquid, promoted the result of use and the simple operation of equipment.
(3) This food preservative survey is with appearance liquid preparation facilities, through the setting of antidrip liquid subassembly, when demarcating the container and driving the bottom support and move down to and accomplish when demarcating the back time of resetting of operation, can make the recovery board pass through the cooperation of subassemblies such as guide bar and torsional spring, realize automatic deviation and the operation that resets, avoid demarcating the inside solution of container and appear the phenomenon of drip, be convenient for the equipment and follow-up the operation of demarcating, promoted the maintenance convenience of equipment simultaneously.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 in accordance with the present invention;
FIG. 3 is an enlarged schematic view of the structure of the point A in FIG. 2 according to the present invention;
FIG. 4 is a schematic cross-sectional view of a retaining ring and calibration container of the present invention;
FIG. 5 is an enlarged schematic view of the structure of the point B in FIG. 4 according to the present invention;
FIG. 6 is a schematic diagram of the structure of the driving ring of the present invention;
FIG. 7 is a schematic diagram of the structure of the driving disc and the guide ring of the present invention;
FIG. 8 is a schematic cross-sectional view of FIG. 7 in accordance with the present invention;
FIG. 9 is an enlarged schematic view of the structure of the point C in FIG. 8 according to the present invention;
FIG. 10 is a schematic view of the drip-proof assembly of the present invention.
In the figure: 1. a body; 101. a control module; 2. a drive plate; 201. an anti-slip gasket; 3. a guide ring; 301. a return spring; 302. a guide ball; 4. a volumetric flask; 5. a driving motor; 501. a drive gear; 6. a base tray; 601. a support spring; 7. an annular groove; 8. a hydraulic cylinder; 9. a positioning ring; 901. a limit rod; 902. a notch; 10. a concave pressing frame; 1001. a spring body; 11. a sealing piston; 1101. a one-way valve; 12. a bottom bracket; 1201. a positioning spring; 13. a drive ring; 1301. a swivel; 1302. a guide plate; 1303. a loop bar; 1304. an inner pressure bar; 1305. pressing down the spring; 1306. a slide bar; 14. calibrating a container; 1401. a rubber head; 15. a positioning frame; 16. a slide plate; 1601. pressing down a rod; 1602. a rotating shaft; 1603. a torsion spring; 17. a recovery plate; 1701. a recovery tank; 18. a guide rod.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, the present invention provides two technical solutions, specifically including the following embodiments:
Embodiment one:
In the embodiment of the invention, referring to fig. 1-4, a sample liquid preparation device for food preservative determination comprises a machine body 1, wherein a control module 101 is arranged on the outer side of the machine body 1, and a transmission disc 2 is rotatably connected to the bottom of the inner side of the machine body 1 and used for driving a volumetric flask 4 placed above to rotate;
In the embodiment of the invention, a positioning ring 9 is fixed in the machine body 1, a bottom bracket 12 is connected below the positioning ring 9 in a sliding way, a calibration container 14 is clamped between the bottom bracket 12 and the positioning ring 9, a sealing piston 11 is connected in the positioning ring 9 in a sliding way, and the sealing piston is used for being inserted into the calibration container 14 and driving the calibration container 14 to move downwards to be inserted into the volumetric flask 4 for calibration operation; when the volumetric flask 4 is placed above the transmission disc 2, the end of the volumetric flask 4 can be inserted into the volumetric flask 4 along with the downward movement of the calibration container 14, the calibration operation is carried out, and after the calibration is finished, the volumetric flask 4 is driven to rotate by the operation of the transmission disc 2, so that samples are uniformly mixed;
In the embodiment of the invention, further, referring to fig. 4-6, a transmission ring 13 is slidingly connected up and down below the positioning ring 9, a swivel 1301 is rotatably connected at the bottom of the transmission ring 13, a plurality of guide plates 1302 are fixed at the outer side of the swivel 1301 and are used for moving downwards against a bottom bracket 12 to position the volumetric flask 4, and when the bottom bracket 12 moves downwards, the transmission ring 13 can be driven to move downwards, so that a plurality of obliquely installed guide plates 1302 are contacted with the volumetric flask 4 until the volumetric flask 4 and a transmission disc 2 are coaxially positioned, and the volumetric flask 4 is ensured to be driven to rotate by the operation of the subsequent transmission disc 2 to perform mixed operation;
In the embodiment of the invention, specifically, referring to fig. 2, 7-9, a base disc 6 is slidingly connected up and down in a machine body 1, a supporting spring 601 is fixed at the bottom of the base disc 6, a transmission disc 2 is rotationally connected to the top surface of the base disc 6, a guide ring 3 is slidingly connected up and down on the top surface of the transmission disc 2, a plurality of guide balls 302 are rotationally arranged on the top surface of the guide ring 3, a plurality of return springs 301 are fixed between the bottom of the guide ring 3 and the transmission disc 2, an anti-slip gasket 201 is fixedly arranged in the middle of the top surface of the transmission disc 2, the guide ring 3 and the plurality of guide balls 302 are used for being matched with a guide plate 1302 to realize the guide operation of the volumetric flask 4, when the guide plate 1302 is moved down to be contacted with the volumetric flask 4, the volumetric flask 4 is horizontally moved along the guide balls 302 through the matching of the guide plate 1302 until the volumetric flask 4 is subjected to downward force, the guide balls 302 and the guide ring 3 are forced to slide down to squeeze the return springs 301, so that the anti-slip gasket 201 is contacted with the bottom of the volumetric flask 4, and the rotational mixing operation is carried out after the calibration operation is completed;
in the embodiment of the invention, specifically, referring to fig. 8, a driving motor 5 is fixed in the machine body 1, a driving gear 501 is fixedly sleeved at the output end of the driving motor 5, the driving gear 501 is meshed with a driving disc 2 to drive the driving disc 2 to rotate, when the calibration operation is completed, the driving motor 5 operates to drive the driving gear 501 to rotate, so that the driving disc 2 can rotate, and then simultaneously drive a guide ring 3, an anti-slip gasket 201 and a calibrated volumetric flask 4 to rotate;
In the embodiment of the invention, specifically, the top surface of the transmission disc 2 is provided with an annular groove 7, and a plurality of return springs 301 and anti-slip gaskets 201 are all fixed inside the annular groove 7;
In the embodiment of the invention, referring to fig. 1-6 specifically, both sides of the bottom of the positioning ring 9 are fixed with a limit rod 901, the top surface of the machine body 1 is fixed with a hydraulic cylinder 8, the piston end of the hydraulic cylinder 8 is sleeved with a concave pressing frame 10 in a sliding way, the piston end of the hydraulic cylinder 8 is fixedly connected to a sealing piston 11, a spring body 1001 is connected between the concave pressing frame 10 and the sealing piston 11, a notch 902 is formed in the positioning ring 9, the concave pressing frame 10 is positioned in the notch 902, both ends of the bottom are mutually attached to the top surface of a calibration container 14, when the piston end of the hydraulic cylinder 8 is pushed out, the concave pressing frame 10 and the sealing piston 11 can be driven to move downwards, firstly the concave pressing frame 10 can be contacted with the calibration container 14, then the calibration container 14 is driven to descend, the bottom bracket 12 moves downwards along with the calibration container 14, at the moment, the sealing piston 11 is positioned at the end of the calibration container 14 and descends along with the calibration container 14 until after the guiding positioning of the volumetric flask 4 is completed, the end of the calibration container 14 is inserted into the volumetric flask 4, and the piston rod 1001 extends along with the continuous pushing out, so that the sealing piston 11 enters the calibration container 14 to the interior, and is operated;
in the embodiment of the present invention, the control module 101 is based on an existing PLC module, and is configured to control a standard amount;
In the embodiment of the invention, specifically, referring to fig. 4, two ends of a bottom bracket 12 are slidably connected with two limiting rods 901, positioning springs 1201 are connected between the bottom of the bottom bracket 12 and the corresponding limiting rods 901, the bottom bracket 12 is used for supporting a calibration container 14, when the calibration container 14 is installed, the bottom bracket 12 is pushed downwards so as to enable the calibration container to slide downwards along the limiting rods 901 to squeeze the positioning springs 1201, then after the calibration container 14 is placed in the bottom bracket 12, the end part of the calibration container 14 can be pressed into the positioning ring 9 through the cooperation of the bottom bracket 12 and the positioning springs 1201, so that the two ends of a concave pressing frame 10 are attached to the top surface of the calibration container 14, and the assembly of the calibration container 14 can be completed, thereby ensuring convenience;
In the embodiment of the invention, specifically, the sleeve bars 1303 are fixed on both sides of the top surface of the driving ring 13, the inner pressure bars 1304 are slidably connected inside the sleeve bars 1303, the lower pressure springs 1305 are fixed between the ends of the inner pressure bars 1304 and the interiors of the corresponding sleeve bars 1303, the inner pressure bars 1304 on both sides are mutually symmetrical and are respectively positioned right below the calibration container 14, the sliding bars 1306 are fixedly installed on both sides of the top surface of the driving ring 13, the sliding bars 1306 are slidably connected inside the corresponding limit bars 901, springs are arranged between the sliding bars 1306, when the calibration container 14 moves downwards to drive the bottom bracket 12 to descend, the bottom bracket 12 can be contacted with the inner pressure bars 1304 on both sides, so that the driving ring 13 moves downwards, at the moment, the sliding bars 1306 can slide outwards along the limit bars 901, keep limiting, the driving ring 1301 and a plurality of guide plates 1302 on the bottom can drive the lower part to move downwards, limit and guide the volumetric flask 4 until the lower pressure springs 1305 are compressed and retract inside the sleeve bars 1303, the positioning of the volumetric flask 4 is completed, after the volumetric flask 4 is completed, the volumetric flask 4 rotates along with the driving disk 2, and the volumetric flask 4 can be driven to rotate, and the guide plates 1301 and the volumetric flask 4 can rotate stably, and the volumetric flask 4 can be ensured simultaneously
In the embodiment of the present invention, referring specifically to fig. 4, a rubber head 1401 is fixedly installed at the end of the calibration container 14, a one-way valve 1101 is fixedly installed inside the sealing piston 11, and the one-way valve 1101 is an existing device for allowing gas to enter the calibration container 14 through the one-way valve 1101 when the sealing piston 11 moves up and is pulled out from the calibration container 14.
Embodiment two:
Based on the first embodiment, referring to fig. 10, an anti-drip component is arranged in the machine body 1 and is used for recovering the liquid dripped by the calibration container 14, when the calibration container 14 moves down and is inserted into the volumetric flask 4, the anti-drip component can be separated from the calibration container 14, so that the calibration operation is prevented from being influenced, the calibration container 14 is reset after the calibration operation is finished once, the drip component can be reset to the bottom of the calibration container 14, the dripped sample is recovered, the subsequent calibration operation is prevented from being influenced, and the maintenance convenience of equipment is improved;
In the embodiment of the invention, referring specifically to fig. 10, the drip-proof assembly comprises a positioning frame 15, the positioning frame 15 is fixed in the machine body 1, a slide plate 16 is slidably connected in the positioning frame 15, a lower pressure bar 1601 is fixed on the top surface of the slide plate 16, the end part of the lower pressure bar 1601 is positioned right below the bottom bracket 12, a rotating shaft 1602 is fixedly arranged on the top surface of the slide plate 16 and is rotationally connected with a recovery plate 17 through the rotating shaft 1602, the recovery plate 17 is positioned right below the calibration container 14, a guide rod 18 is fixed on the side surface of the positioning frame 15 and is used for driving the recovery plate 17 to rotate along the rotating shaft 1602 in the descending process, a torsion spring 1603 is sleeved outside the rotating shaft 1602 and is used for driving the recovery plate 17 to reset, the guide rod 18 is obliquely arranged, and a recovery groove 1701 is formed in the top surface of the recovery plate 17;
In the embodiment of the invention, when the bottom bracket 12 moves downwards, the slide plate 16 can be driven by the pressing rod 1601 to move downwards along the positioning frame 15, at the moment, the recovery plate 17 can move downwards along with the slide plate 16, and can rotate along the rotating shaft 1602 along with the contact of the recovery plate 17 and the guide rod 18 under the force, so as to be separated from the rubber head 1401 at the bottom of the calibration container 14, until the rubber head 1401 at the bottom of the calibration container 14 is inserted into the volumetric flask 4 to finish calibration, and when the calibration container 14 moves upwards and resets, the recovery plate 17 can reset along the rotating shaft 1602 through the cooperation of the torsion spring 1603, and the recovery plate 17 is positioned below the rubber head 1401, so that the dropped sample can be recovered through the recovery groove 1701, thereby solving the problem of liquid drop and facilitating the subsequent maintenance operation of the equipment.
And all that is not described in detail in this specification is well known to those skilled in the art.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (8)
1. The utility model provides a food preservative survey is with sample liquid preparation facilities, includes organism (1), and control module (101) its characterized in that are installed in organism (1) outside: the bottom of the inner side of the machine body (1) is rotationally connected with a transmission disc (2) for driving a volumetric flask (4) placed above to rotate;
A positioning ring (9) is fixed inside the machine body (1), a bottom bracket (12) is connected below the positioning ring (9) in a sliding manner, a calibration container (14) is clamped between the bottom bracket (12) and the positioning ring (9), a sealing piston (11) is connected inside the positioning ring (9) in a sliding manner, and the sealing piston is used for being inserted into the calibration container (14) and driving the calibration container (14) to move downwards to be inserted into the volumetric flask (4) for calibration operation;
A transmission ring (13) is connected below the positioning ring (9) in an up-down sliding manner, a swivel (1301) is connected at the bottom of the transmission ring (13) in a rotating manner, and a plurality of guide plates (1302) are fixed on the outer side of the swivel (1301) and used for moving downwards against the bottom bracket (12) to position the volumetric flask (4);
An anti-drip component is arranged in the machine body (1) and is used for recycling the liquid dripped from the calibration container (14);
Limiting rods (901) are fixed on two sides of the bottom of the positioning ring (9), a hydraulic cylinder (8) is fixed on the top surface of the machine body (1), a concave pressing frame (10) is sleeved at the piston end of the hydraulic cylinder (8) in a sliding mode, the piston end portion of the hydraulic cylinder is fixedly connected to a sealing piston (11), a spring body (1001) is connected between the concave pressing frame (10) and the sealing piston (11), a notch (902) is formed in the positioning ring (9), the concave pressing frame (10) is located in the notch (902), and two ends of the bottom of the concave pressing frame are mutually attached to the top surface of a calibration container (14);
The two sides of the top surface of the transmission ring (13) are respectively fixed with a sleeve rod (1303), the inside of the sleeve rod (1303) is respectively and slidably connected with an internal pressure rod (1304), a pressing spring (1305) is respectively and fixedly arranged between the end part of the internal pressure rod (1304) and the inside of the corresponding sleeve rod (1303), the internal pressure rods (1304) on the two sides are mutually symmetrical and are respectively positioned under the calibration container (14), and sliding rods (1306) are respectively and fixedly arranged on the two sides of the top surface of the transmission ring (13);
The bottom bracket (12) can drive the driving ring (13) to move downwards when moving downwards, so that a plurality of guide plates (1302) which are obliquely arranged are in contact with the volumetric flask (4) until the volumetric flask (4) and the driving disc (2) are kept coaxially positioned, and the follow-up driving disc (2) is ensured to operate to drive the volumetric flask (4) to rotate for mixed operation.
2. The sample liquid preparation device for measuring a food preservative according to claim 1, wherein: the novel anti-slip device is characterized in that a base disc (6) is connected inside the machine body (1) in a vertical sliding mode, a supporting spring (601) is fixed at the bottom of the base disc (6), the transmission disc (2) is rotationally connected to the top surface of the base disc (6), a guide ring (3) is connected to the top surface of the transmission disc (2) in a vertical sliding mode, a plurality of guide balls (302) are rotationally arranged on the top surface of the guide ring (3), a plurality of reset springs (301) are fixed between the bottom of the guide ring (3) and the transmission disc (2), and an anti-slip gasket (201) is fixedly arranged at the middle position of the top surface of the transmission disc (2).
3. The sample liquid preparation device for measuring a food preservative according to claim 2, wherein: the inside of organism (1) is fixed with driving motor (5), driving motor (5) output has fixedly cup jointed driving gear (501), driving gear (501) and driving disk (2) intermeshing for drive driving disk (2) rotate.
4. The sample liquid preparation device for measuring a food preservative according to claim 2, wherein: an annular groove (7) is formed in the top surface of the transmission disc (2), and a plurality of reset springs (301) and anti-slip gaskets (201) are fixed inside the annular groove (7).
5. The sample liquid preparation device for measuring a food preservative according to claim 1, wherein: two ends of the bottom bracket (12) are in sliding connection with the two limiting rods (901), and positioning springs (1201) are connected between the bottoms of the bottom bracket (12) and the corresponding limiting rods (901).
6. The sample liquid preparation device for measuring a food preservative according to claim 1, wherein: the end part of the calibration container (14) is fixedly provided with a rubber head (1401), and the inside of the sealing piston (11) is fixedly provided with a one-way valve (1101).
7. The sample liquid preparation device for measuring a food preservative according to claim 1, wherein: drip-proof subassembly includes locating rack (15), locating rack (15) are fixed inside organism (1), and locating rack (15) inside sliding connection has slide (16), and slide (16) top surface is fixed with down depression bar (1601), depression bar (1601) tip is located under bottom support (12) down, slide (16) top surface fixed mounting has pivot (1602) and rotates through pivot (1602) and be connected with recovery board (17), recovery board (17) are located under demarcation container (14), and locating rack (15) side is fixed with guide bar (18) for drive recovery board (17) along pivot (1602) rotation in-process that descends, and torsional spring (1603) have been cup jointed in the pivot (1602) outside and are used for driving recovery board (17) and reset.
8. The sample liquid preparation device for measuring a food preservative as claimed in claim 7, wherein: the guide rod (18) is obliquely arranged, and a recovery groove (1701) is formed in the top surface of the recovery plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410424373.5A CN118032461B (en) | 2024-04-10 | 2024-04-10 | Food preservative survey is with appearance liquid preparation facilities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410424373.5A CN118032461B (en) | 2024-04-10 | 2024-04-10 | Food preservative survey is with appearance liquid preparation facilities |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN118032461A CN118032461A (en) | 2024-05-14 |
| CN118032461B true CN118032461B (en) | 2024-06-28 |
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| CN202410424373.5A Active CN118032461B (en) | 2024-04-10 | 2024-04-10 | Food preservative survey is with appearance liquid preparation facilities |
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Citations (2)
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| CN102015471A (en) * | 2008-04-28 | 2011-04-13 | 塔塔全球饮料有限公司 | An automatic pod conveyor and brewer assembly for fresh hot beverage |
| CN114130259A (en) * | 2021-11-30 | 2022-03-04 | 张贺兰 | Solution mixing device convenient for fixing volumetric flask and used for food inspection and use method thereof |
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| PT1236644E (en) * | 2001-02-28 | 2007-04-30 | Grifols Sa | Apparatus for filling containers for pharmaceutical uses and the like |
| DE102006017706A1 (en) * | 2006-04-15 | 2007-10-25 | Khs Ag | Filling elements and filling machine with a filling element |
| CN215179982U (en) * | 2021-07-09 | 2021-12-14 | 安阳学院 | Titration apparatus for quantitative analysis of chemical experiment |
| CN218725602U (en) * | 2022-10-28 | 2023-03-24 | 国家海洋局宁波海洋环境监测中心站 | Quantitative petroleum sampler |
| CN219532666U (en) * | 2023-03-22 | 2023-08-15 | 伟日（山东）生物科技有限公司 | Sample liquid preparation device for measuring preservative in food |
| CN116698590A (en) * | 2023-05-30 | 2023-09-05 | 中电建路桥集团有限公司 | Device for detecting compactness of concrete at bottom of flat hinge |
| CN117825619B (en) * | 2023-12-29 | 2024-06-25 | 连云港兴鑫钢铁有限公司 | Equipment and method for measuring content of calcium oxide and magnesium oxide in iron sinter for blast furnace |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102015471A (en) * | 2008-04-28 | 2011-04-13 | 塔塔全球饮料有限公司 | An automatic pod conveyor and brewer assembly for fresh hot beverage |
| CN114130259A (en) * | 2021-11-30 | 2022-03-04 | 张贺兰 | Solution mixing device convenient for fixing volumetric flask and used for food inspection and use method thereof |
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