CN111579549B - But rapid detection pesticide residue's portable food detection appearance - Google Patents
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- CN111579549B CN111579549B CN202010491046.3A CN202010491046A CN111579549B CN 111579549 B CN111579549 B CN 111579549B CN 202010491046 A CN202010491046 A CN 202010491046A CN 111579549 B CN111579549 B CN 111579549B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
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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
- G01N1/38—Diluting, dispersing or mixing samples
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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
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- 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
- G01N1/38—Diluting, dispersing or mixing samples
- G01N2001/386—Other diluting or mixing processes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
- G01N2021/786—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour with auxiliary heating for reaction
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Abstract
The invention discloses a portable food detector capable of quickly detecting pesticide residues, which belongs to the technical field of pesticide residue detection and comprises a slicing and collecting mechanism and a vibration detection mechanism, wherein the slicing and collecting mechanism slices vegetables, and collects the sliced vegetables into a collecting barrel, and the vibration detection mechanism shakes and shakes the vegetable slices entering the collecting barrel uniformly, so that pesticides on the vegetable slices are quickly dissolved into liquid to be detected, and then the liquid to be detected is dripped onto quick detection test paper for detection.
Description
Technical Field
The invention relates to the field of pesticide residue detection, in particular to a portable food detector capable of rapidly detecting pesticide residue.
Background
China is the first country of using and producing pesticides in the world, wherein organophosphorus and carbamate pesticides account for 70% of high-toxicity varieties, the organophosphorus and carbamate pesticides contain a large amount of highly toxic and highly toxic residual substances, and after long-term consumption of agricultural and sideline products with pesticide residues exceeding standards, acute poisoning cannot be caused, but chronic poisoning of people and animals can be caused, diseases can be caused, and even the next generation can be influenced.
At present, two methods are mainly used for detecting pesticide residues, the most common method is to adopt a pesticide residue rapid detection card for detection, an operator is required to extract a liquid to be detected during detection, then the liquid to be detected is dripped into a white tablet of the rapid detection card by the operator, the rapid detection card is folded in half, and a detection result is obtained.
Based on the above, the invention designs a portable food detector capable of rapidly detecting pesticide residues to solve the above problems.
Disclosure of Invention
The invention aims to provide a portable food detector capable of quickly detecting pesticide residues, and aims to solve the problems that the conventional detection method provided by the background art has various steps, needs more detection tools, is inconvenient to carry for outdoor detection, and cannot meet the outdoor timely detection requirement.
In order to achieve the purpose, the invention provides the following technical scheme: a portable food detector capable of rapidly detecting pesticide residues comprises a slicing and collecting mechanism and a vibration detection mechanism, wherein the slicing and collecting mechanism is positioned above the vibration detection mechanism;
the slicing and collecting mechanism comprises a rectangular lifting plate, a plurality of cutters fixedly connected with the rectangular lifting plate are uniformly distributed on the bottom surface of the rectangular lifting plate, a telescopic cylinder is fixedly connected on the upper surface of the rectangular lifting plate, a fixed supporting seat is fixedly connected at the upper end of the telescopic cylinder, a lifting handle is fixedly connected on the upper surface of the fixed supporting seat, a backing plate is arranged under the rectangular lifting plate, the backing plate is U-shaped, a plurality of cutting grooves matched with the cutters are uniformly formed in the middle of the backing plate, the backing plate is fixedly connected on the fixed supporting seat, a collecting plate is in sliding fit with the fixed supporting seat, the collecting plate is arranged under the backing plate, the area of the collecting plate is larger than that of the backing plate, a rectangular through hole is formed in the middle of the collecting plate, a collecting guide through column is fixedly connected inside the rectangular through hole, two L-shaped material pushing plates are in sliding fit with the collecting plate, and a first bidirectional screw rod is in threaded fit with the tops of the two L-shaped material pushing plates, the first bidirectional screw rod is rotationally connected to a fixed supporting seat, the left end of the first bidirectional screw rod is fixedly connected with a first motor, the inner sides of the bottoms of the two L-shaped material pushing plates are respectively provided with a rectangular groove, the two rectangular grooves are respectively and rotationally matched with a second bidirectional screw rod, the front end of each second bidirectional screw rod is fixedly connected with a first gear, the two first gears are respectively meshed with a rack, the racks are fixedly connected to the fixed supporting seat, the two second bidirectional screw rods are respectively and jointly and threadedly matched with two multistage telescopic push plates, each multistage telescopic push plate is a multistage telescopic rod with the bottoms fixed together, the distance from the multistage telescopic push plate to the rectangular through hole at one side is longer than that from the multistage telescopic push plate at the rear end to the rectangular through hole, the rear part of the collecting plate is fixedly connected with two guide oblique blocks, the two guide oblique blocks are fixedly connected with a slide rod, and the slide rod is in sliding fit with the fixed supporting seat, and a spring is sleeved on a part between the guide inclined block and the fixed supporting seat, a bending guide plate is in sliding fit right above the two guide inclined blocks, the bending guide plate is matched with the guide inclined block and used for pushing the collecting plate to move forwards, and the upper end of the bending guide plate is fixedly connected to the rectangular lifting plate and is positioned outside the L-shaped material pushing plate.
The vibration detection mechanism comprises a rectangular sealing plate, the rectangular sealing plate is arranged at the front end of the collection guide column, the lower surface of the rectangular sealing plate is flush with the lower surface of the collection guide column, the rectangular sealing plate is in sliding fit with a rectangular guide rail, the upper end of the rectangular guide rail is fixedly connected onto the collection plate, the middle part of the rectangular sealing plate is fixedly connected with a first slide bar, the first slide bar is in sliding fit with the collection plate, a first spring is partially sleeved between the first slide bar and the collection plate, the bottom of the rectangular sealing plate is attached with a collecting barrel, the upper part of the front end of the collecting barrel is fixedly connected with a dropping pipe, the lower part of the collecting barrel is fixedly connected with a rubber bag, the lower part of the collecting barrel is sleeved with a rectangular fixing sleeve, the lower end of the rectangular fixing sleeve is fixedly connected with a T-shaped vibration plate, the two sides of the upper surface of the T-shaped vibration plate are fixedly connected with second slide bars, and the second slide bars are in sliding fit with vibration sleeve plates, the upper surface of the vibration sleeve plate is provided with a first rectangular sliding groove matched with a second sliding rod, the part of the second sliding rod between the T-shaped vibration plate and the vibration sleeve plate is sleeved with a second spring, the left end surface and the right end surface of the T-shaped vibration plate are fixedly connected with a third sliding rod, the two third sliding rods are in sliding connection with the vibration sleeve plate, the vibration sleeve plate is provided with a second rectangular sliding groove matched with the third sliding rod, the part of the third sliding rod between the T-shaped vibration plate and the vibration sleeve plate is sleeved with a third spring, the two vibration sleeve plates are jointly connected with a driving mechanism, a rotating shaft is arranged below the T-shaped vibration plate and is rotatably connected to a fixed supporting seat, the rear end of the rotating shaft is fixedly connected with a second motor, the rotating shaft is fixedly connected with two cams, one of the cams is positioned under the T-shaped vibration plate, and the other cam is positioned below the right side of the T-shaped vibration plate, the detection device comprises a T-shaped vibration plate, a detection platform, a detection protective shell, a constant-temperature heating plate, a positioning block, an L-shaped supporting plate, a telescopic rod, a sealing cover and a sealing cover, wherein the detection platform is arranged on the front side of the T-shaped vibration plate and fixedly connected to a fixed supporting seat, a rectangular through groove is formed in the middle of the detection platform, the width of the rectangular through groove is larger than that of a protruding part of the T-shaped vibration plate, the detection protective shell is fixedly connected to the detection platform, the constant-temperature heating plate is fixedly connected to the middle of the detection protective shell, the positioning block is fixedly connected to the middle of the detection protective shell, the L-shaped supporting plate is fixedly connected to the detection platform, the bottom surface of the top of the L-shaped supporting plate is fixedly connected to the telescopic rod, the lower end of the telescopic rod is fixedly connected to the sealing cover, and the middle of the sealing cover is provided with a sticking position; when the vegetable leaf cutting machine is in operation, the steps of the existing detection method are various, the required detection tools are more, the carrying is inconvenient for outdoor detection, and the requirement of timely detection in the open air cannot be met, vegetable leaves to be detected are placed on a backing plate after being cleaned, a telescopic cylinder extends out to enable a rectangular lifting plate to move downwards, a cutter is enabled to move downwards, a bending plate is driven to act on a guide inclined block to enable a collecting plate to move forwards, a rectangular sealing plate is enabled to move forwards, a collecting guide through column is matched with a material collecting barrel, the cutter continues to move downwards to cut the vegetable leaves, the vegetable leaves are sliced, the area of the collecting plate is larger than that of the backing plate, the sliced vegetable leaves fall onto the middle position of the collecting plate through a cutting groove in the backing plate, a first motor is started to drive a first bidirectional screw rod to rotate, two L-shaped material pushing plates move towards the middle, so that a first gear is meshed with a fixed rack to rotate, and the first gear drives a second bidirectional screw rod to rotate, two multistage telescopic push plates move towards the middle, two L-shaped push plates and two multistage telescopic push plates move towards the middle together, slices on the collecting plates are pushed to a collecting guide through column and fall into a collecting barrel, a proper amount of water is pre-added in the collecting barrel, a first motor is reversely rotated to return the L-shaped push plates and the multistage telescopic push plates after collection is finished, a telescopic cylinder retracts after slicing is finished, a bending plate rises to be separated from a guide oblique block, the collecting plates return to an initial position under the action of a spring, a rectangular sealing plate reseals the collecting barrel, a second motor starts to be started to drive a rotating shaft to rotate, two cams start to push a T-shaped vibrating plate, the collecting barrel is placed on the T-shaped vibrating plate through a rectangular fixing sleeve, the T-shaped vibrating plate vibrates the collecting barrel, the upper part of the collecting barrel is sealed through the rectangular sealing plate, so that collected vegetable leaves are uniformly vibrated and vibrate for a period of time, meanwhile, a measurer places the white tablet of the cut detection test paper in a positioning block, the red tablet is pasted at a pasting position, the vibration is stopped, after the white tablet is placed for one section, a driving device enables a collecting barrel to move forwards, a detection platform acts on a rubber bag to extrude a few drops of liquid to be detected in the white tablet through a dropping pipe, a driving mechanism drives the collecting barrel to return again, a telescopic rod pushes a sealing cover to downwards seal the detection test paper, the red tablet and the white tablet are in contact reaction, a constant-temperature heating plate starts to heat, a reaction area is always at a temperature suitable for reaction, a reaction section is waited, the color of the reacted white tablet is observed, whether the pesticide remained in the vegetables exceeds the standard or not is determined by comparing the color of the reaction, the detection is finished, the detection worker can carry the device with a lifting handle to carry out outdoor detection without carrying a large number of detection devices, can timely carry out slicing detection on vegetables with detection.
As a further scheme of the invention, a vibration piece is slidably connected to the middle of each cutter, a fourth sliding rod is fixedly connected to the middle of each vibration piece, the fourth sliding rod is in sliding fit with a rectangular lifting plate, a fourth spring is fixedly connected between each vibration piece and the rectangular lifting block, a vibration length condition is fixedly connected to the upper end of each fourth sliding rod, three second cams are fixedly connected to a first bidirectional screw rod, the middle second cam is located in the middle of the first bidirectional screw rod, and the two second cams on the outer sides are respectively located on the outer sides of two L-shaped material pushing plates; the during operation, because the vegetable leaf section after the section may glue on the cutter, can not fall down for the section that detects becomes few, can influence the testing result, through set up the vibrating plate in the cutter, when collecting the piece, the second cam makes vibrations of vibrations rectangular piece earlier, and then drives the vibrating plate and takes place vibrations, makes the whole dropings of sliced vegetable leaf, makes the detection more accurate.
As a further scheme of the invention, a cleaning plate is arranged behind the backing plate, the left side and the right side of the cleaning plate are fixedly connected with an L-shaped fixed plate, the outer end of the L-shaped fixed plate is fixedly connected with a vertical moving plate, the upper end of the vertical moving plate is in threaded connection with a fourth screw rod, the fourth screw rod is rotatably connected to a fixed supporting seat, the rear end of the fourth screw rod is fixedly connected with a second gear, the second gear is connected with a third motor through a chain, and a collecting basket is arranged below the front end of the backing plate; the during operation, because the vegetable leaf after the section remains on the backing plate, if not clear up its detection that can influence next time, through set up the clearance board in the backing plate rear, the clearance board passes through vertical movable plate and connects on the fourth lead screw, L type fixed plate is connected the clearance board and is avoided taking place to interfere with the board of bending, the fourth lead screw rotates and drives the clearance board and move forward, clear up remaining vegetables on the backing plate, clear up it to collecting in the basket, prevent to detect next time and cause the influence, improve detection efficiency.
As a further scheme of the invention, the driving mechanism comprises two third screw rods, the two third screw rods are rotatably connected to the fixed supporting seat, the two third screw rods are respectively in threaded connection with the end parts of the two vibration sleeve plates, the rear ends of the third screw rods are fixedly connected with third gears, the third gears are connected with third motors through chains, and the left and right ends of the T-shaped vibration plate extend into the vibration sleeve plates and are used for enabling the T-shaped vibration plate to move forwards together; the during operation, because the collecting vessel is in under the collecting board, be unfavorable for getting of collecting vessel to put, rotate through the third lead screw and drive vibrations lagging and move forward, vibrations lagging effect T type vibrations board makes its move forward together, carries away the collecting vessel, makes things convenient for taking of collecting vessel.
As a further scheme of the invention, the three second cams are in a shape of '6', the rear side of the protruded lower part of each second cam is an arc surface, and the front side of the protruded lower part of each second cam is a vertical surface; during operation, because the cam curved surface is comparatively complete usually, when pivot slew velocity is slower, can not play the effect that makes the object shake, through being "6" style of calligraphy with the second cam design, make the long condition of vibrations when the second cam moves vertical plane, descend fast, make the vibrations piece can acutely shake to make sliced better shake off.
As a further scheme of the invention, the collection basket is in sliding fit with the fixed supporting seat, the right end of the collection basket is provided with an L-shaped positioning sleeve which is fixedly connected to the fixed supporting seat, the left end of the collection basket is provided with a limiting block which is fixedly connected to the fixed supporting seat, and the left side surface of the collection basket is fixedly connected with a pulling handle; the during operation, because the vegetables after the collection basket is to the section are collected, when the collection basket is filled with, need clear up it, through with collection basket sliding assembly on fixed bolster, the L type position sleeve of right-hand member fixes a position it, and operating personnel takes out collection basket from the device through the pull handle and clears up.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the vegetable slicing detection device, vegetables are sliced and collected by the slicing collection mechanism and the vibration detection mechanism, the vibration detection mechanism shakes and shakes the inside of the collection barrel uniformly, and then the liquid to be detected is dropped onto the rapid detection test paper for detection, so that outdoor pesticide residue detection of the vegetables is realized, a large number of detection devices do not need to be carried, and the vegetables to be detected can be sliced and detected in time.
2. According to the invention, the vibrating piece is arranged in the cutter, when the slices are collected, the second cam firstly vibrates the vibrating strip piece, so that the vibrating piece is driven to vibrate, all the sliced vegetable leaves fall down, the number of the leaves to be measured is more accurate, and the detection is more accurate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of the overall structure of the present invention;
FIG. 2 is a side view of the overall structure of the present invention;
FIG. 3 is a rear view of the overall structure of the present invention;
FIG. 4 is a cross-sectional view of the general construction of the present invention;
FIG. 5 is a bottom view of the general construction of the present invention;
FIG. 6 is an enlarged view of the structure of the present invention at A;
FIG. 7 is an enlarged view of the structure of the present invention at B;
FIG. 8 is an enlarged view of the structure of the present invention at C;
FIG. 9 is an enlarged view of the structure of the present invention at D;
FIG. 10 is an enlarged view of the structure of the present invention at E.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a cutter 1, a rectangular lifting plate 2, a telescopic cylinder 3, a fixed support seat 4, a backing plate 5, a collecting plate 6, an L-shaped material pushing plate 7, a first bidirectional screw 8, a first motor 9, a sealing plate 10, a material collecting barrel 11, a T-shaped vibration plate 12, a vibration sleeve plate 13, a third screw 14, a rotating shaft 15, a second motor 16, a cam 17, a detection platform 18, a cleaning plate 19, a drawing handle 20, a bending guide plate 21, an L-shaped positioning sleeve 40, a limiting block 41, a lifting handle 42, a cutting groove 51, a rectangular through hole 61, a collecting guide through column 62, a guide oblique block 63, a spring 64, a sliding rod 65, a rectangular groove 81, a second bidirectional screw 82, a first gear 83, a rack 84, a multistage telescopic push plate 86, a second cam 87, a rectangular guide rail 101, a first sliding rod 102, a first spring 103, a liquid dropping pipe 110, a rubber bag 111, a rectangular fixing sleeve 112, a second sliding rod 120, a second spring 121, a third sliding rod 122, a fourth sliding rod 80, a fourth sliding rod, a fourth, The detection device comprises a third spring 123, a first rectangular sliding groove 130, a second rectangular sliding groove 131, a third gear 140, a rectangular through groove 180, a detection protective shell 181, a constant temperature heating plate 182, a positioning block 183, an L-shaped supporting plate 184, an expansion rod 185, a sealing cover 186, an L-shaped fixing plate 190, a vertical moving plate 191, a fourth screw rod 192, a second gear 193, a third motor 194, a collection basket 195, a vibrating plate 1001, a fourth sliding rod 1002 and a fourth spring 1003.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution:
one specific application of this embodiment is: a portable food detector capable of rapidly detecting pesticide residues comprises a slicing and collecting mechanism and a vibration detection mechanism, wherein the slicing and collecting mechanism is positioned above the vibration detection mechanism;
the slicing and collecting mechanism comprises a rectangular lifting plate 2, a plurality of cutters 1 fixedly connected with the rectangular lifting plate 2 are uniformly distributed on the bottom surface of the rectangular lifting plate 2, a telescopic cylinder 3 is fixedly connected on the upper surface of the rectangular lifting plate 2, a fixed supporting seat 4 is fixedly connected on the upper end of the telescopic cylinder 3, a lifting handle 42 is fixedly connected on the upper surface of the fixed supporting seat 4, a backing plate 5 is arranged under the rectangular lifting plate 2, the backing plate 5 is U-shaped, a plurality of cutting grooves 51 matched with the cutters 1 are uniformly formed in the middle of the backing plate 5, the backing plate 5 is fixedly connected on the fixed supporting seat 4, a collecting plate 6 is slidably matched with the fixed supporting seat 4, the collecting plate 6 is arranged under the backing plate 5, the area of the collecting plate 6 is larger than that of the backing plate 5, a rectangular through hole 61 is formed in the middle of the collecting plate 6, a collecting guide through column 62 is fixedly connected inside the rectangular through hole 61, the collecting plate 6 is slidably matched with two L-shaped material pushing plates 7, and a first bidirectional screw 8 is in threaded fit with the tops of the two L-shaped material pushing plates 7, the first bidirectional screw 8 is rotatably connected to the fixed support seat 4, the left end of the first bidirectional screw is fixedly connected with a first motor 9, the inner sides of the bottoms of the two L-shaped material pushing plates 8 are respectively provided with a rectangular groove 81, the two rectangular grooves 81 are respectively and rotatably matched with a second bidirectional screw 82, the front end of each second bidirectional screw 82 is fixedly connected with a first gear 83, the two first gears 83 are respectively meshed with a rack 84, the rack 84 is fixedly connected to the fixed support seat 4, the two second bidirectional screws 82 are jointly and threadedly matched with two multistage telescopic push plates 86, the multistage telescopic push plates 86 are two multistage telescopic rods with the bottoms fixed together, the distance from the multistage telescopic push plate 86 at one side to the rectangular through hole 61 is longer than the distance from the multistage telescopic push plate 86 at the rear end to the rectangular through hole 61, the rear part of the collecting plate 6 is fixedly connected with two guide inclined blocks 63, and the two guide inclined blocks 63 are fixedly connected with a slide rod 65, the sliding rod 65 is in sliding fit with the fixed supporting seat 4, a spring 64 is sleeved on a part between the inclined guide blocks 63 and the fixed supporting seat 4, the bending guide plates 21 are in sliding fit over the two inclined guide blocks 63, the bending guide plates 21 are matched with the inclined guide blocks 63 to push the collecting plate 6 to move forwards, and the upper ends of the bending guide plates 21 are fixedly connected to the rectangular lifting plate 2 and located on the outer side of the L-shaped material pushing plate 7.
The vibration detection mechanism comprises a rectangular sealing plate 10, the rectangular sealing plate 10 is arranged at the front end of a collection guide through column 62, the lower surface of the rectangular sealing plate 10 is flush with the lower surface of the collection guide through column 62, the rectangular sealing plate 10 is in sliding fit with a rectangular guide rail 101, the upper end of the rectangular guide rail 101 is fixedly connected to a collection plate 6, the middle part of the rectangular sealing plate 10 is fixedly connected with a first slide bar 102, the first slide bar 102 is in sliding fit with the collection plate 6, a first spring 103 is sleeved between the first slide bar 102 and the collection plate 6, the bottom of the rectangular sealing plate 10 is attached with a material collection barrel 11, the upper part of the front end of the material collection barrel 11 is fixedly connected with a dropping pipe 110, the lower part of the collecting barrel is fixedly connected with a rubber bag 111, the lower part of the material collection barrel 11 is sleeved with a rectangular fixing sleeve 112, the lower end of the rectangular fixing sleeve 112 is fixedly connected with a T-shaped vibration plate 12, the two sides of the upper surface of the T-shaped vibration plate 12 are fixedly connected with second slide bars 120, and the second slide bars 120 are in sliding fit with a vibration plate 13, the upper surface of the vibration sleeve plate 13 is provided with a first rectangular sliding groove 130 matched with the second sliding rod 120, the part of the second sliding rod 120 between the T-shaped vibration plate 12 and the vibration sleeve plate 13 is sleeved with a second spring 121, the left end surface and the right end surface of the T-shaped vibration plate 12 are both fixedly connected with a third sliding rod 122, the two third sliding rods 122 are in sliding connection with the vibration sleeve plate 13, the vibration sleeve plate 13 is provided with a second rectangular sliding groove 131 matched with the third sliding rod 122, the part of the third sliding rod 122 between the T-shaped vibration plate 12 and the vibration sleeve plate 13 is sleeved with a third spring 123, the two vibration sleeve plates 13 are jointly connected with a driving mechanism, a rotating shaft 15 is arranged below the T-shaped vibration plate 12, the rotating shaft 15 is rotatably connected on a fixed supporting seat 4, the rear end of the rotating shaft is fixedly connected with a second motor 16, the rotating shaft 15 is fixedly connected with two cams 17, one cam 17 is arranged right below the T-shaped vibration plate 12, the other cam 17 is arranged right below the T-shaped vibration plate 12, the detection platform 18 is arranged on the front side of the T-shaped vibration plate 12, the detection platform 18 is fixedly connected to the fixed support seat 4, a rectangular through groove 180 is formed in the middle of the detection platform 18, the width of the rectangular through groove 180 is larger than that of the protruding portion of the T-shaped vibration plate 12, a detection protective shell 181 is fixedly connected to the detection platform 18, a constant-temperature heating plate 182 is fixedly connected to the middle of the detection protective shell 181, a positioning block 183 is fixedly connected to the middle of the detection protective shell 181, an L-shaped support plate 184 is fixedly connected to the detection platform 18, an expansion link 185 is fixedly connected to the bottom surface of the top of the L-shaped support plate 184, a sealing cover 186 is fixedly connected to the lower end of the expansion link 185, and a sticking position is arranged in the middle of the sealing cover 186; when the vegetable leaf cutting device works, because the existing detection method has various steps and more required detection tools, the vegetable leaf cutting device is inconvenient to carry for outdoor detection, and cannot meet the requirement of timely detection outdoors, vegetable leaves to be detected are placed on the base plate 5 after being cleaned, the telescopic cylinder 3 extends out to enable the rectangular lifting plate 2 to move downwards, the cutter moves downwards to drive the bending plate 21 to act on the guide inclined block 63 to enable the collecting plate 6 to move forwards, the rectangular sealing plate 10 moves forwards, the collecting guide through column 62 is matched with the material collecting barrel 11, the cutter continues to move downwards to cut the vegetable leaves, the vegetable leaves are cut into slices, because the area of the collecting plate 6 is larger than that of the base plate 5, the cut vegetable leaves fall onto the middle position of the collecting plate 6 through the cutting groove 51 on the base plate 5, the first motor 9 is started to drive the first bidirectional screw rod 8 to rotate, the two L-shaped material pushing plates 7 move towards the middle, and the first gear 83 is meshed with the fixed rack to rotate, the first gear 83 drives the second bidirectional screw 82 to rotate, so that the two multistage telescopic push plates 86 move towards the middle, the two L-shaped push plates 7 and the two multistage telescopic push plates 86 move towards the middle together, the slices on the collecting plate 6 are pushed to the collecting guide through column 62 and fall into the collecting barrel 11, a proper amount of water is pre-added in the collecting barrel 11, after the collection is completed, the first motor 9 rotates reversely to return the L-shaped push plates 7 and the multistage telescopic push plates 86, after the slicing is completed, the telescopic cylinder 3 retracts, the bending plate 21 rises to separate from the guide oblique block 63, the collecting plate 6 returns to the initial position under the action of the spring 64, the rectangular sealing plate 10 seals the collecting barrel 11 again, the second motor 16 starts to drive the rotating shaft 15 to rotate, so that the two cams 17 start to push against the T-shaped vibration plate 12, the collecting barrel 11 is placed on the T-shaped vibration plate 12 through the rectangular fixing sleeve 112, the T-shaped vibration plate 12 vibrates the collecting barrel 11, the upper part of the collecting barrel 11 is sealed by a rectangular sealing plate 10, so that the collected vegetable leaves are vibrated and shaken uniformly for a period of time, meanwhile, a measurer places the white tablet position of the cut detection test paper in the positioning block 183, pastes the red tablet at the pasting position, stops shaking, after standing for a period of time, the driving device enables the collecting barrel 11 to move forwards, the detection platform 18 acts on the rubber bag 111 to extrude a few drops of liquid to be detected in the detection platform through the dropping pipe 110 to the white tablet, the driving mechanism drives the collecting barrel 11 to return again, the telescopic rod 185 pushes the sealing cover 186 to seal the detection test paper downwards, the red tablet and the white tablet are in contact reaction, the constant temperature heating plate 182 starts to heat, the reaction area is always at a temperature suitable for reaction, the reaction section is waited, the color of the white tablet after reaction is observed, and whether the pesticide remained on the vegetables exceeds the standard or not is determined by comparing the reaction color, thereby accomplish the detection, detect the manual work and can utilize and promote handle 42 and take this device to carry out outdoor detection, and need not to carry a large amount of detection utensil, can in time carry out the section detection to the area detection vegetables.
As a further scheme of the invention, a vibrating piece 1001 is slidably connected to the middle of each cutter 1, a fourth sliding rod 1002 is fixedly connected to the middle of the vibrating piece 1001, the fourth sliding rod 1002 is in sliding fit with the rectangular lifting plate 2, a fourth spring 1003 is fixedly connected between the vibrating piece 1001 and the rectangular lifting plate 2, a vibrating long piece 1004 is fixedly connected to the upper end of the fourth sliding rod 1002, three second cams 87 are fixedly connected to the first bidirectional screw 8, the middle second cam 87 is located in the middle of the first bidirectional screw 8, and the two outer second cams 87 are respectively located at the outer sides of the two L-shaped push plates 7; the during operation, because the vegetable leaf section after the section may glue on cutter 1, can not fall down for the section that detects becomes few, can influence the testing result, through set up the vibrations piece 1001 in cutter 1, when collecting the piece, second cam 87 makes the long condition 1004 vibrations of vibrations earlier, and then drives vibrations piece 1001 and takes place vibrations, makes sliced vegetable leaf all fall down, makes the detection more accurate.
As a further scheme of the invention, a cleaning plate 19 is arranged at the rear of the backing plate 5, L-shaped fixing plates 190 are fixedly connected to the left side and the right side of the cleaning plate 19, a vertical moving plate 191 is fixedly connected to the outer end of the L-shaped fixing plate 190, a fourth screw 192 is in threaded connection with the upper end of the vertical moving plate 191, the fourth screw 192 is rotatably connected to the fixed supporting seat 4, a second gear 193 is fixedly connected to the rear end of the fixed supporting seat, the second gear 193 is connected with a third motor 194 through a chain, and a collecting basket 195 is arranged below the front end of the backing plate 5; the during operation, because the vegetable leaf after the section remains on the backing plate, if not clear up its and can influence next detection, through set up clearance board 19 at backing plate 5 rear, clearance board 19 connects on fourth lead screw 192 through vertical movable plate 191, L type fixed plate 190 is connected clearance board 19 and is avoided taking place to interfere with the board 21 of bending, fourth lead screw 192 rotates and drives clearance board 19 forward movement, clear up remaining vegetables on backing plate 5, clear up it to collecting basket 195 in, prevent to detect next and cause the influence, and the detection efficiency is improved.
As a further scheme of the present invention, the driving mechanism includes two third lead screws 14, the two third lead screws 14 are both rotationally connected to the fixed support base 4, and the two third lead screws 14 are respectively in threaded connection with the end portions of the two vibration sleeve plates 13, the rear end of the third lead screw 14 is fixedly connected with a third gear 140, the third gear 140 is connected with a third motor 194 through a chain, and the left and right ends of the T-shaped vibration plate 12 extend into the vibration sleeve plates 13 for enabling the T-shaped vibration plate 12 to move forward together; during operation, because collecting vessel 11 is located collecting plate 6 under, be unfavorable for getting of collecting vessel 11 and put, rotate through third lead screw 14 and drive vibrations lagging 13 and move forward, vibrations lagging 13 effect T type vibrations board 12 makes it move forward together, carries away collecting vessel 11, makes things convenient for taking of collecting vessel 11.
As a further aspect of the present invention, the three second cams 87 are 6-shaped, and the rear side of the protruding lower portion thereof is a cambered surface, and the front side of the lower portion thereof is a vertical surface; during operation, because the cam curved surface is comparatively complete usually, when pivot slew velocity is slower, can not play the effect that makes the object shake, through designing second cam 87 for "6" style of calligraphy, make the long condition of shaking when second cam 87 moves to the vertical plane, descend fast, make the vibrations piece can acutely shake to make sliced better shake off.
As a further scheme of the invention, the collection basket 195 is in sliding fit with the fixed support seat 4, the right end of the collection basket is provided with an L-shaped positioning sleeve 40, the L-shaped positioning sleeve 40 is fixedly connected to the fixed support seat 4, the left end of the collection basket 195 is provided with a limiting block 41, the limiting block 41 is fixedly connected to the fixed support seat 4, and the left side surface of the collection basket is fixedly connected with a pull-out handle 20; during operation, because collecting basket 195 is collected the vegetables after the section, when collecting basket 195 was filled with, need clear up it, through with collecting basket 195 sliding fit on fixed bolster 4, the L type position sleeve 40 of right-hand member fixes a position it, and operating personnel takes out collecting basket 195 from the device through pull handle 20 and clears up.
The working principle is as follows: after vegetable leaves to be detected are cleaned, the vegetable leaves to be detected are placed on a backing plate 5, a telescopic cylinder 3 extends out to enable a rectangular lifting plate 2 to move downwards, a cutter moves downwards to drive a bending plate 21 to act on a guide inclined block 63 to enable a collecting plate 6 to move forwards, a rectangular sealing plate 10 moves forwards, a collecting guide through column 62 is matched with a material collecting barrel 11, the cutter continues to move downwards to cut the vegetable leaves and slice the vegetable leaves, the collecting plate 6 is larger than the backing plate 5 in area, the sliced vegetable leaves fall onto the middle position of the collecting plate 6 through a cutting groove 51 in the backing plate 5, a first motor 9 is started to drive a first bidirectional screw 8 to rotate, two L-shaped material pushing plates 7 move towards the middle, a first gear 83 is meshed with a fixed rack to rotate, the first gear 83 drives a second bidirectional screw 82 to rotate, two multi-stage telescopic push plates 86 move towards the middle, the two L-shaped material pushing plates 7 and the two multi-stage telescopic push plates 86 move towards the middle together, pushing the slices on the collecting plate 6 to the collecting guide through column 62, dropping into the collecting barrel 11, adding a proper amount of water in the collecting barrel 11 in advance, reversing the first motor 9 after the collection to return the L-shaped material pushing plate 7 and the multistage telescopic push plate 86, retracting the telescopic cylinder 3 after the slicing is completed, lifting the bending plate 21 to separate from the guide inclined block 63, returning the collecting plate 6 to the initial position under the action of the spring, sealing the collecting barrel 11 by the rectangular sealing plate 10 again, starting the second motor 16 to drive the rotating shaft 15 to rotate, enabling the two cams 17 to start to push against the T-shaped vibrating plate 12, placing the collecting barrel 11 on the T-shaped vibrating plate 12 through the rectangular fixing sleeve 112, vibrating the T-shaped vibrating plate 12 to vibrate the collecting barrel 11, sealing the upper part of the collecting barrel 11 through the rectangular sealing plate 10 to realize uniform vibration and uniform vibration of the collected vegetable leaves, and a period of time, meanwhile, placing the white position of the cut detection test paper tablets in the positioning block 183 by a measurer, the red tablet pastes in the paste position, stop vibrations, after stewing between one section, drive arrangement makes collecting barrel 11 move forward, testing platform 18 effect rubber bag 111 extrudes several drops of the liquid that awaits measuring inside through dropping liquid pipe 110 and drips into on the white tablet, actuating mechanism drives collecting barrel 11 again and returns, telescopic link 185 promotes sealed lid 186 and seals up test paper downwards, make red tablet and white tablet contact reaction, thermostatic heating board 182 begins to heat, make the reaction zone be in the temperature that is fit for the reaction all the time, wait for the reaction one section, observe the colour after the white tablet reaction, the colour of contrast reaction confirms whether the pesticide that the vegetables remained exceeds standard, thereby accomplish the detection.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a but short-term test pesticide residue's portable food detector, includes that the section collects mechanism and vibrations detection mechanism, its characterized in that: the slice collecting mechanism is positioned above the vibration detection mechanism;
the slice collecting mechanism comprises a rectangular lifting plate (2), a plurality of cutters (1) fixedly connected with the rectangular lifting plate (2) are uniformly distributed on the bottom surface of the rectangular lifting plate (2), a telescopic cylinder (3) is fixedly connected to the upper surface of the rectangular lifting plate (2), a fixed supporting seat (4) is fixedly connected to the upper end of the telescopic cylinder (3), a lifting handle (42) is fixedly connected to the upper surface of the fixed supporting seat (4), a backing plate (5) is arranged under the rectangular lifting plate (2), the backing plate (5) is U-shaped, a plurality of cutting grooves (51) matched with the cutters (1) are uniformly formed in the middle of the backing plate, the backing plate (5) is fixedly connected to the fixed supporting seat (4), a collecting plate (6) is slidably matched with the fixed supporting seat (4), the collecting plate (6) is arranged under the backing plate (5), and the area of the collecting plate is larger than the area of the backing plate (5), the middle part of the collecting plate (6) is provided with a rectangular through hole (61), the inside of the rectangular through hole (61) is fixedly connected with a collecting guide through post (62), the collecting plate (6) is in sliding fit with two L-shaped material pushing plates (7), the top parts of the two L-shaped material pushing plates (7) are in threaded fit with a first bidirectional screw rod (8), the first bidirectional screw rod (8) is rotatably connected onto a fixed supporting seat (4), the left end of the first bidirectional screw rod is fixedly connected with a first motor (9), the inner sides of the bottom parts of the two L-shaped material pushing plates (7) are respectively provided with a rectangular groove (81), a second bidirectional screw rod (82) is rotatably matched in the two rectangular grooves (81), the front end of each second bidirectional screw rod (82) is fixedly connected with a first gear (83), the two first gears (83) are respectively engaged with a rack (84), and the racks (84) are fixedly connected onto the fixed supporting seat (4), two second bidirectional screw rods (82) are in common threaded fit with two multistage telescopic push plates (86), the multistage telescopic push plates (86) are two multistage telescopic rods with the bottoms fixed together, the distance from the multistage telescopic push plates (86) to the rectangular through hole (61) is longer than the distance from the multistage telescopic push plates (86) at the rear end to the rectangular through hole (61), the rear part of the collecting plate (6) is fixedly connected with two guide inclined blocks (63), the two guide inclined blocks (63) are fixedly connected with slide rods (65), the slide rods (65) are in sliding fit with the fixed supporting seat (4), a spring (64) is sleeved on a part between the guide inclined blocks (63) and the fixed supporting seat (4), a bending guide plate (21) is in sliding fit over the two guide inclined blocks (63), and the bending guide plate (21) is matched with the guide inclined blocks (63) to push the collecting plate (6) to move forwards, the upper end of the bending guide plate (21) is fixedly connected to the rectangular lifting plate (2) and is positioned on the outer side of the L-shaped material pushing plate (7);
the vibration detection mechanism comprises a rectangular sealing plate (10), the rectangular sealing plate (10) is arranged at the front end of a collection guide through column (62), the lower surface of the rectangular sealing plate (10) flushes with the lower surface of the collection guide through column (62), the rectangular sealing plate (10) is in sliding fit with a rectangular guide rail (101), the upper end of the rectangular guide rail (101) is fixedly connected onto a collection plate (6), the middle of the rectangular sealing plate (10) is fixedly connected with a first sliding rod (102), the first sliding rod (102) is in sliding fit with the collection plate (6), a first spring (103) is partially sleeved between the rectangular guide rail and the collection plate (6), a material collection barrel (11) is attached to the bottom of the rectangular sealing plate (10), a dripping pipe (110) is fixedly connected to the upper part of the front end of the material collection barrel (11), a rubber bag (111) is fixedly connected to the lower part of the collection barrel (11), a rectangular fixing sleeve (112) is sleeved on the lower part of the material collection barrel (11), the utility model discloses a vibration damping device, including fixed cover of rectangle (112) lower extreme fixedly connected with T type vibrations board (12), the equal fixedly connected with second slide bar (120) in T type vibrations board (12) upper surface both sides, second slide bar (120) sliding fit has vibrations lagging (13), vibrations lagging (13) upper surface is opened has first rectangle spout (130) with second slide bar (120) matched with, second slide bar (120) is equipped with second spring (121) in the part cover between T type vibrations board (12) and vibrations lagging (13), the equal fixedly connected with third slide bar (122) of terminal surface about T type vibrations board (12), two third slide bar (122) and vibrations lagging (13) sliding connection, it has second rectangle spout (131) with third slide bar (122) matched with to open on vibrations lagging (13), the part cover of third slide bar (122) between T type vibrations lagging (12) and vibrations lagging (13) is equipped with third spring (123), two vibrations lagging (13) are connected with actuating mechanism jointly, T type vibrations board (12) below is equipped with pivot (15), pivot (15) rotate to be connected on fixed support seat (4), its rear end fixedly connected with second motor (16), fixedly connected with two cams (17) on pivot (15), one of them cam (17) are located T type vibrations board (12) under, and another cam (17) are located T type vibrations board (12) right side below, T type vibrations board (12) front side is equipped with testing platform (18), testing platform (18) fixed connection is on fixed support seat (4), and open at its middle part has rectangle logical groove (180), rectangle logical groove (180) width is greater than the width of the salient of T type vibrations board (12), fixedly connected with detection protective housing (181) on testing platform (18), detect protective housing (181) middle part fixedly connected with constant temperature hot plate (182), detect protective housing (181) middle part fixedly connected with locating piece (183), fixedly connected with L type backup pad (184) is gone up in testing platform (18), L type backup pad (184) top bottom surface fixedly connected with telescopic link (185), the sealed lid (186) of telescopic link (185) lower extreme fixedly connected with, sealed lid (186) middle part is equipped with pastes the position.
2. The portable food detector capable of rapidly detecting pesticide residues according to claim 1, characterized in that: every cutter (1) middle part sliding connection has vibrations piece (1001), vibrations piece (1001) middle part fixedly connected with fourth slide bar (1002), fourth slide bar (1002) and rectangle lifter plate (2) sliding fit, fixedly connected with fourth spring (1003) between vibrations piece (1001) and the rectangle lifter plate (2), the long condition (1004) of fourth slide bar (1002) upper end fixedly connected with vibrations, three second cam (87) of first bidirectional screw (8), centre second cam (87) are located the intermediate position of first bidirectional screw (8), two outsides second cam (87) are located the outside of two L type scraping wings (7) respectively.
3. The portable food detector capable of rapidly detecting pesticide residues according to claim 1, characterized in that: backing plate (5) rear is equipped with clearance board (19), clearance board (19) left and right sides fixedly connected with L type fixed plate (190), the vertical movable plate (191) of L type fixed plate (190) outer end fixedly connected with, threaded connection has fourth lead screw (192) on vertical movable plate (191), fourth lead screw (192) rotate to be connected on fixed bolster (4), its rear end fixedly connected with second gear (193), second gear (193) are connected with third motor (194) through the chain, backing plate (5) front end below is equipped with collects basket (195).
4. The portable food detector capable of rapidly detecting pesticide residues according to claim 1, characterized in that: actuating mechanism includes two third lead screws (14), two third lead screw (14) are rotated and are all connected on fixed bolster (4), and two third lead screws (14) respectively with the tip threaded connection of two vibrations lagging (13), third lead screw (14) rear end fixedly connected with third gear (140), third gear (140) are connected with third motor (194) through the chain, both ends stretch into vibrations lagging (13) about T type vibrations board (12) for make T type vibrations board (12) move along together.
5. The portable food detector capable of rapidly detecting pesticide residues according to claim 2, characterized in that: the three second cams (87) are 6-shaped, the rear side of the protruding lower part of each second cam is an arc surface, and the front side of the lower part of each second cam is a vertical surface.
6. The portable food detector capable of rapidly detecting pesticide residues according to claim 3, characterized in that: collect basket (195) slip and fixed bolster (4) sliding fit, its right-hand member is equipped with L type position sleeve (40), L type position sleeve (40) fixed connection is on fixed bolster (4), collect basket (195) left end and be equipped with stopper (41), stopper (41) fixed connection is on fixed bolster (4), its left surface fixedly connected with pull handle (20).
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| CN113023112A (en) * | 2021-03-10 | 2021-06-25 | 义乌市繁果包装科技有限公司 | Utensil is placed in safe storage of food detection sample |
| CN115112642B (en) * | 2022-06-21 | 2023-09-05 | 深圳市三方圆生物科技股份有限公司 | Intelligent pesticide residue detection system |
| CN115253368B (en) * | 2022-07-04 | 2024-02-20 | 中国计量大学 | Extraction and purification device for neonicotinoid pesticide residues in plant matrixes |
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| CN203862180U (en) * | 2014-05-21 | 2014-10-08 | 厦门信道生物技术有限公司 | Sample mixing and filtering integrated processing mechanism |
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| CN206862970U (en) * | 2017-04-14 | 2018-01-09 | 易门辰丰农产品开发有限公司 | A kind of detection means for Pesticide Residues in Vegetables |
| CN107817321A (en) * | 2017-11-07 | 2018-03-20 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of fruit and vegetable pesticide residue detection device |
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