CN111579733B - Pipetting device for food detection - Google Patents
Pipetting device for food detection Download PDFInfo
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- CN111579733B CN111579733B CN202010452641.6A CN202010452641A CN111579733B CN 111579733 B CN111579733 B CN 111579733B CN 202010452641 A CN202010452641 A CN 202010452641A CN 111579733 B CN111579733 B CN 111579733B
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- 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
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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
- G01N35/1009—Characterised by arrangements for controlling the aspiration or dispense of liquids
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
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- Pathology (AREA)
- Medicinal Chemistry (AREA)
- General Preparation And Processing Of Foods (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses a liquid transferring device for food detection, wherein one side of the top of a first fixing plate is fixedly connected with two first supporting rods through screws, the top of the first supporting rods is provided with a second supporting plate, the top of the second supporting plate is welded with a third supporting rod, the top of the third supporting rod is welded with a first plate body, a solution in a second liquid tank enters the third liquid tank through the matching of a second air cylinder, a fourth supporting plate, a motor, the second supporting plate, a sliding groove, the first supporting rod and a sliding rail and reacts with a reaction solution in the third liquid tank, a second switch group controls the motor to reversely rotate, and then the motor, the second supporting plate, the third supporting rod, the first air cylinder, the second liquid tank and the first pipe body are matched, so that the device resets.
Description
Technical Field
The invention relates to the technical field of food detection, in particular to a pipetting device for food detection.
Background
Food inspection refers to a subject for researching and evaluating food quality and changes thereof, and according to basic theories and various technologies of physics, chemistry and biochemistry and according to established technical standards, such as international and national food sanitation/safety standards, quality inspection is carried out on food raw materials, auxiliary materials, semi-finished products, finished products and byproducts so as to ensure that the quality of the products is qualified, food inspection contents comprise sensory inspection on food, detection on nutrient components, additives, harmful substances and the like in the food, and during food inspection, food solution is sometimes required to be added into a certain reaction test tube for reaction to detect the food components;
china discloses the authorized invention: an automatic pipetting device (publication number: CN 105158492A) discloses an automatic pipetting device, which is characterized in that a pipetting needle is connected to the outlet of a first channel, the pipetting needle is inserted into liquid in a container, the container is sleeved at the bottom of the device and is in seamless connection with the device, a circular rotatable disc rotates to a channel needing pipetting and is communicated with the channel inside a transparent plate, a sliding block in a plunger pump assembly is pushed and pulled by external driving equipment to drive a soft piston to move so as to finish pipetting and pipetting operations, however, the structure of the device is too single, the channel needing to be rotated to pipetting is communicated with the channel inside the transparent plate during pipetting, pipetting operation can be performed easily, pipetting errors are generated, liquid leakage is caused, and the filling precision and accuracy of a solution are influenced.
Disclosure of Invention
The present invention is directed to a pipetting device for detecting food, which solves the problems set forth in the background art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a liquid transfer device for food detection, includes first fixed plate and second backup pad, screw fixedly connected with two first bracing pieces are passed through to top one side of first fixed plate, the top of first bracing piece is provided with the second backup pad, the top welding of second backup pad has the third bracing piece, the top welding of third bracing piece has first plate body, the equal fixedly connected with of both sides of first plate body has first cylinder, the one end welding of first cylinder piston rod has the second fluid reservoir, the bottom threaded connection of second fluid reservoir has first body, the one end that the second fluid reservoir was kept away from to first body is installed the solenoid valve, the through-hole that the equidistance was distributed has all been seted up to the top both sides of second backup pad, the inside of through-hole runs through there is first fluid reservoir, the one end of first body runs through the inside of first fluid reservoir, the lateral wall welding of third bracing piece has the casing, the inside of casing is through screw fixedly connected with booster pump, the equal fixedly connected with second body of both sides of booster pump, the output of first plate body runs through one side of casing body has the second fluid reservoir, the one side of second support plate is kept away from through the second support plate, the second side has the second base through the screw fixedly connected with the second support plate, the second side has the second side of second support plate, the second side has the second base through the screw fixedly connected with the second base.
As a further preferred aspect of the present invention: two adjacent lateral walls of first bracing piece welding has the third backup pad, the top of third backup pad is through screw fixedly connected with motor, the output shaft welding of motor in the bottom of second backup pad.
As a further preferred aspect of the present invention: one side of the second fixed plate far away from the first support plate is fixedly connected with a detector through a screw.
As a further preferred aspect of the present invention: and a third liquid tank is arranged at the top of the fourth supporting plate.
As a further preferred aspect of the present invention: and valves are arranged on two sides of the second pipe body, which are close to the outer walls of the two hoses.
As a further preferred aspect of the present invention: the tops of the two first support rods are fixedly connected with sliding rails through screws, sliding grooves matched with the sliding rails are formed in the bottoms of the second support plates, and the sliding rails are in sliding connection with the sliding grooves.
As a further preferred aspect of the present invention: the front surface of second backup pad is through screw fixedly connected with even board, the front surface mounting who links the board has first switch group, the power output of first switch group passes through wire and first cylinder, second cylinder and booster pump's power input electric connection.
As a further preferred aspect of the present invention: the outer side wall of the first supporting rod is provided with a second switch group, and the power output end of the second switch group is electrically connected with the power input ends of the motor, the detector and the electromagnetic valve.
Compared with the prior art, the invention has the beneficial effects that: through the cooperation of first cylinder, second fluid reservoir and first body, move to the inside of first fluid reservoir, through the cooperation between booster pump, the second body, the hose, the second fluid reservoir and the first body, make the food solvent in the first fluid reservoir enter into in the second fluid reservoir, through the cooperation of second cylinder, the fourth backup pad, a motor, the second backup pad, the spout, first bracing piece and slide rail, make the solution in the second fluid reservoir enter into in the third fluid reservoir, react with the reaction solution in the third fluid reservoir, the motor is controlled to the second switch group is reversed, and through the cooperation of motor, the second backup pad, the third bracing piece, first cylinder, second fluid reservoir and first body, make this device reset, the stability and the accuracy of food solution in the pipetting process have been improved, avoided having the circumstances that channel connection is disordered, and the leakage of food solution has been led to the fact, the precision and the accuracy of solution filling have been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view showing the connection structure of the second support bar, the first support plate, the second fixing plate and the detector according to the present invention;
FIG. 3 is a schematic diagram of a connection structure between a motor and a second support plate according to the present invention;
FIG. 4 is a schematic view of the connection structure of the hose and the second pipe body according to the present invention;
fig. 5 is a schematic view of the internal structure of the housing according to the present invention.
In the figure: 1. a first fixing plate; 2. a base; 3. a first support bar; 4. a first switch group; 5. a first liquid tank; 6. a first tube body; 7. a second liquid tank; 9. a first plate body; 11. a detector; 12. a second fixing plate; 13. a first support plate; 14. a hose; 15. a first cylinder; 16. a connecting plate; 17. a second support plate; 18. a slide rail; 19. a chute; 20. a motor; 21. a third support plate; 22. a second support bar; 23. a second cylinder; 24. a third liquid tank; 25. a fourth support plate; 26. a valve; 27. a second tube body; 28. a housing; 29. a third support bar; 30. a booster pump; 31. a through hole; 32. a second switch group; 33. a solenoid valve.
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.
Examples
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a pipetting device for food detection, including first fixed plate 1 and second backup pad 17, two first bracing pieces 3 are connected with through screw fixed connection to one side of the top of first fixed plate 1, the top of first bracing piece 3 is provided with second backup pad 17, the top welding of second backup pad 17 has third bracing piece 29, the top welding of third bracing piece 29 has first plate body 9, the both sides of first plate body 9 are all fixedly connected with first cylinder 15, the one end welding of first cylinder 15 piston rod has second fluid reservoir 7, the bottom threaded connection of second fluid reservoir 7 has first body 6, solenoid valve 33 is installed to the one end that second fluid reservoir 7 was kept away from to first body 6, equidistant through-hole 31 that distributes has all been seted up to the top both sides of second backup pad 17, the inside of through-hole 31 has run through first fluid reservoir 5, the one end of first body 6 runs through in the inside of first fluid reservoir 5, the lateral wall welding of third bracing piece 29 has casing 28, the inside of casing 28 is through screw fixedly connected with booster pump 30, booster pump 30's input intercommunication has second body 27, booster pump 30's output runs through in one side of casing 28, the outer wall both sides of second body 27 all are linked together there is hose 14, hose 14 is kept away from booster pump 30's one end and is linked together in the lateral wall of second fluid reservoir 7, the top one side of first fixed plate 1 is through screw fixedly connected with base 2, the top welding of base 2 has second bracing piece 22, the lateral wall that the base 2 was kept away from to second bracing piece 22 is through screw fixedly connected with second fixed plate 12, one side of second fixed plate 12 is through screw fixedly connected with first backup pad 13, the bottom welding of first backup pad 13 has second cylinder 23, one side welding of second cylinder 23 has fourth backup pad 25.
In this embodiment, specific: the adjacent lateral wall welding of two first bracing pieces 3 has third backup pad 21, and screw fixedly connected with motor 20 is passed through at the top of third backup pad 21, and motor 20's output shaft welds in the bottom of second backup pad 17, consolidates the firm effect between the first bracing piece 3 through third backup pad 21, and third backup pad 21 supports motor 20, and motor 20 starts to drive the corresponding rotation of second backup pad 17, and then under the fixed of third backup pad 21, has improved motor 20 stability at the during operation.
In this embodiment, specific: the side of the second fixing plate 12 far away from the first supporting plate 13 is fixedly connected with a detector 11 through a screw, and the reaction in the third liquid tank 24 is detected through the detector 11 so as to be used for detecting food ingredients.
In this embodiment, specific: the top of fourth backup pad 25 is provided with third fluid reservoir 24, supports third fluid reservoir 24 through fourth backup pad 25, and what deposit in the third fluid reservoir 24 is food solution and reaction solution after the suction.
In this embodiment, specific: the valves 26 are installed on two sides of the second pipe body 27, which are close to the outer walls of the two hoses 14, the second pipe body 27 is opened or closed by arranging the valves 26, one of the valves 26 which are not needed to be used can be closed, the pressure of the booster pump 30 is enabled to enter from the position where the valve 26 of the second pipe body 27 is opened, and the two valves 26 are simultaneously opened, so that the second pipe body 27 and the corresponding hose 14 work simultaneously.
In this embodiment, specific: the tops of the two first support rods 3 are fixedly connected with a slide rail 18 through screws, a slide groove 19 matched with the slide rail 18 is formed in the bottom of the second support plate 17, the slide rail 18 is in sliding connection with the slide groove 19, the second support plate 17 is correspondingly rotated under the drive of a motor 20, the second support plate 17 slides on the slide rail 18 under the action of the slide groove 19 and rotates on the slide rail 18, and then the position of the first plate body 9 above the second support plate 17 is adjusted.
In this embodiment, specific: the front surface of the second supporting plate 17 is fixedly connected with a connecting plate 16 through screws, the front surface of the connecting plate 16 is provided with a first switch group 4, the power output end of the first switch group 4 is electrically connected with the power input ends of the first air cylinder 15, the second air cylinder 23 and the booster pump 30 through wires, the first switch group 4 is a time control switch and is used for starting or closing working time of the first air cylinder 15, the second air cylinder 23 and the booster pump 30 at regular time, and the sequence of starting or closing is that of the first air cylinder 15, the booster pump 30 and the second air cylinder 23 at regular time.
In this embodiment, specific: the second switch group 32 is installed to the lateral wall of first bracing piece 3, and the power output of second switch group 32 is connected with the power input of motor 20, detector 11 and solenoid valve 33, controls the start or close of motor 20, detector 11 and solenoid valve 33 respectively through second switch group 32.
The first cylinder 15 and the second cylinder 23 are of the type: SCJ63X100-50;
the model of the motor 20 is: 130BYG350A;
the booster pump 30 is of the type: TL-C04-01/1.
The working principle or the structure principle is that when in use, firstly, food solution is led into the first liquid tank 5, the first liquid tank 5 is placed into the through hole 31, the first air cylinder 15, the second air cylinder 23 and the booster pump 30 are controlled to be started and closed at fixed time through the first switch group 4, firstly, the sequence of starting or closing is that the first air cylinder 15, the booster pump 30 and the second air cylinder 23 are started and closed at fixed time, when the first air cylinder 15 is started, the second liquid tank 7 is driven to move downwards, the second liquid tank 7 drives the first pipe body 6 to move downwards into the first liquid tank 5, then the booster pump 30 is started, the time from the starting to the closing of the booster pump 30 is selected according to the dosage of the sucked food solution, and the communication among the second pipe body 27, the hose 14, the second liquid tank 7 and the first pipe body 6 is realized, when the food solvent in the first liquid tank 5 enters the second liquid tank 7 and reaches approximately half of the height of the second liquid tank 7, the booster pump 30 stops working, the second air cylinder 23 stretches out to one side and drives the fourth support plate 25 to correspondingly move, the fourth support plate 25 drives the third liquid tank 24 to correspondingly move, the first air cylinder 15 contracts the piston rod to drive the second liquid tank 7 and the first pipe body 6 to move upwards, under the action of the original booster pump 30 when being started, the electromagnetic valve 33 is closed through the second switch group 32, the sucked solution cannot flow out, the motor 20 is started to rotate positively through the second switch group 32, the motor 20 drives the second support plate 17 to rotate, the second support plate 17 slides on the slide rails 18 on the upper parts of the two first support rods 3 under the action of the slide grooves 19, and then the second support plate 17 drives the first pipe body 6 and the second liquid tank 7 to rotate to the top of the third liquid tank 24, the electromagnetic valve 33 is opened through the second switch group 32, so that the solution in the second liquid tank 7 enters the third liquid tank 24 from the first pipe body 6 and reacts with the reaction liquid in the third liquid tank 24, the second air cylinder 23 drives the fourth supporting plate 25 to shrink and further drive the third liquid tank 24 to correspondingly move, the detector 11 is started through the second switch group 32, the probe of the detector 11 detects the reaction solution in the third liquid tank 24, meanwhile, the second switch group 32 controls the motor 20 to reversely rotate, the motor 20 drives the second supporting plate 17 to correspondingly move, the second supporting plate 17 drives the third supporting plate 29 to move, and the third supporting plate 29 drives the first air cylinder 15, the second liquid tank 7 and the first pipe body 6 to correspondingly move and then reset, so that the food solution pipetting operation is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Pipetting device for food detection comprises a first fixing plate (1) and a second supporting plate (17), and is characterized in that: two first supporting rods (3) are fixedly connected to one side of the top of the first fixing plate (1) through screws, a second supporting plate (17) is arranged at the top of the first supporting rod (3), a third supporting rod (29) is welded at the top of the second supporting plate (17), a first plate body (9) is welded at the top of the third supporting rod (29), first cylinders (15) are fixedly connected to two sides of the first plate body (9), a second liquid tank (7) is welded at one end of a piston rod of the first cylinders (15), a first pipe body (6) is connected to the bottom of the second liquid tank (7) through screws, an electromagnetic valve (33) is arranged at one end, far away from the second liquid tank (7), of the first pipe body (6), through holes (31) are formed in the two sides of the top of the second supporting plate (17) in an equidistant mode, a first liquid tank (5) is penetrated inside the through holes (31), a second liquid tank (7) is penetrated at one end of the first pipe body (6), a first booster pump (28) is penetrated at one side of the third supporting rod (29), a first booster pump (30) is penetrated at one side of the second booster pump (30) through a shell (28) through screws, a second booster pump (30) is penetrated at one side of the shell (30), the two sides of the outer wall of the second pipe body (27) are respectively communicated with a hose (14), one end, far away from the booster pump (30), of the hose (14) is communicated with the outer side wall of the second liquid tank (7), one side of the top of the first fixing plate (1) is fixedly connected with the base (2) through a screw, the top of the base (2) is welded with a second supporting rod (22), the outer side wall, far away from the base (2), of the second supporting rod (22) is fixedly connected with a second fixing plate (12) through a screw, one side of the second fixing plate (12) is fixedly connected with a first supporting plate (13) through a screw, the bottom of the first supporting plate (13) is welded with a second air cylinder (23), and one side of the second air cylinder (23) is welded with a fourth supporting plate (25);
a third supporting plate (21) is welded on the adjacent outer side walls of the two first supporting rods (3), a motor (20) is fixedly connected to the top of the third supporting plate (21) through screws, and an output shaft of the motor (20) is welded at the bottom of the second supporting plate (17);
a third liquid tank (24) is arranged at the top of the fourth supporting plate (25);
the two sides of the second pipe body (27) close to the outer walls of the two hoses (14) are provided with valves (26);
the tops of the two first support rods (3) are fixedly connected with sliding rails (18) through screws, sliding grooves (19) matched with the sliding rails (18) are formed in the bottoms of the second support plates (17), and the sliding rails (18) are in sliding connection with the sliding grooves (19).
2. The pipetting device for detecting food according to claim 1, wherein: one side of the second fixing plate (12) far away from the first supporting plate (13) is fixedly connected with a detector (11) through screws.
3. The pipetting device for detecting food according to claim 1, wherein: the front surface of second backup pad (17) is through screw fixedly connected with link plate (16), the front surface mounting of link plate (16) has first switch group (4), the power output of first switch group (4) is through wire and first cylinder (15), second cylinder (23) and the power input electric connection of booster pump (30).
4. The pipetting device for detecting food according to claim 1, wherein: the outer side wall of the first supporting rod (3) is provided with a second switch group (32), and the power output end of the second switch group (32) is electrically connected with the power input ends of the motor (20), the detector (11) and the electromagnetic valve (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452641.6A CN111579733B (en) | 2020-05-26 | 2020-05-26 | Pipetting device for food detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010452641.6A CN111579733B (en) | 2020-05-26 | 2020-05-26 | Pipetting device for food detection |
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| Publication Number | Publication Date |
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| CN111579733A CN111579733A (en) | 2020-08-25 |
| CN111579733B true CN111579733B (en) | 2023-05-09 |
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| CN202010452641.6A Active CN111579733B (en) | 2020-05-26 | 2020-05-26 | Pipetting device for food detection |
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Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201339813Y (en) * | 2009-01-19 | 2009-11-04 | 山东兄弟科技股份有限公司 | Transfer device for liquid material |
| CN204107529U (en) * | 2014-10-08 | 2015-01-21 | 瞿曦 | Automatically liquid station is moved |
| CN205850882U (en) * | 2016-07-18 | 2017-01-04 | 哈尔滨商业大学 | A kind of liquid-transfering device with modular pipetting head |
| CN107866287A (en) * | 2017-12-26 | 2018-04-03 | 李彩华 | A kind of medical test pipette station |
| CN208288048U (en) * | 2018-01-17 | 2018-12-28 | 珠海乐维再生医学科技有限公司 | Pipettor |
| CN208591847U (en) * | 2018-07-24 | 2019-03-12 | 江西韩金实业有限公司 | A kind of liquid-transfering device for food safety detection |
| CN208795573U (en) * | 2018-08-31 | 2019-04-26 | 段爱莉 | The extraction element of aflatoxin in a kind of food |
| CN209442959U (en) * | 2018-12-10 | 2019-09-27 | 天津康普森检验检测有限公司 | A kind of single track pipettor DNA extraction detection device |
| CN209597218U (en) * | 2019-01-10 | 2019-11-08 | 江苏食品药品职业技术学院 | It is a kind of medicine detection use liquid-transfering device |
| CN110007102A (en) * | 2019-04-02 | 2019-07-12 | 深圳市智创环保科技有限公司 | A kind of liquid relief accurate quantification sampling device |
| CN110756241A (en) * | 2019-12-19 | 2020-02-07 | 百奥森（江苏）食品安全科技有限公司 | Liquid transfer device for food detection |
| CN111514952A (en) * | 2020-05-14 | 2020-08-11 | 广东体必康生物科技有限公司 | Pipetting device and method capable of self-checking air tightness and accurately extracting |
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2020
- 2020-05-26 CN CN202010452641.6A patent/CN111579733B/en active Active
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