CN112098180A - Fruit vegetables pesticide residue detection device of two hybrid chambers - Google Patents
Fruit vegetables pesticide residue detection device of two hybrid chambers Download PDFInfo
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- CN112098180A CN112098180A CN202011288288.9A CN202011288288A CN112098180A CN 112098180 A CN112098180 A CN 112098180A CN 202011288288 A CN202011288288 A CN 202011288288A CN 112098180 A CN112098180 A CN 112098180A
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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
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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
- G01N33/025—Fruits or vegetables
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Abstract
The invention discloses a fruit and vegetable pesticide residue detection device with double mixing cavities, which comprises the following components: including mounting bracket, setting place the jar and from the top down set gradually the fruit vegetables crushing case and the mixed reaction case on the loading board of mounting bracket bottom at the fruit vegetables at the mounting bracket top, the sample solution delivery outlet of mixed reaction case passes through the transfer line and is connected with the input of minipump, the output and the pesticide residue analysis appearance of minipump are connected. The invention can simultaneously extract the water-soluble pesticide and the fat-soluble pesticide in the fruits and vegetables, and improve the detection efficiency of the pesticide residue in the fruits and vegetables. The invention can impact fruits and vegetables through the shell of the vibrating impact head, and the fruits and vegetables are extruded and cut off by matching with the sharp particle screen, so that the fruits and vegetables are crushed and extruded out of meshes of the particle screen, and uniform and refined fine crushing is realized, and the subsequent solvent can be better mixed with pesticide.
Description
Technical Field
The invention relates to the technical field of pesticide detection equipment, in particular to a fruit and vegetable pesticide residue detection device with double mixing cavities.
Background
The pesticide residue is a generic term for a pesticide parent, derivative, metabolite, degradation product and impurity remaining in the environment, organism and food after the pesticide is used. The pesticide residue of vegetables exceeds the standard, and the pesticide residue is mainly the pesticide prohibited in vegetable production in some countries, and acute poisoning accidents of people and livestock can be caused by food caused by pesticide residue.
The existing pesticide can be divided into two categories of fat solubility and water solubility according to the solubility, but the existing pesticide residue detection device needs to add nonpolar and polar solvents respectively to extract the residual pesticide in fruits and vegetables, so that the fat solubility and the water solubility pesticide can not be extracted simultaneously, and the working efficiency is low.
Disclosure of Invention
In order to improve the problems, the invention is embodied by the following technical scheme: a fruit and vegetable pesticide residue detection device with double mixing cavities: the fruit and vegetable crushing device comprises an installation frame, a fruit and vegetable placing tank arranged at the top of the installation frame, and a fruit and vegetable crushing box and a mixing reaction box which are sequentially arranged on a bearing plate at the bottom of the installation frame from top to bottom, wherein a sample solution output port of the mixing reaction box is connected with an input end of a small pump through a liquid conveying pipe, and an output end of the small pump is connected with a pesticide residue analyzer;
the fruit and vegetable placing tank is positioned between the right clamping block and the left clamping block, sliding blocks matched with the sliding grooves are arranged on two sides of the fruit and vegetable placing tank, positioning holes are formed in the right clamping block, the left clamping block and the sliding blocks, a positioning bolt is arranged on the positioning hole;
the fruit and vegetable placing tank comprises a tank body with an upper opening and a lower opening, a top cover hinged to the top of the tank body, a bottom cover rotationally arranged at the bottom of the tank body and an impact head arranged on the bottom surface of the bottom cover, a feed opening is formed in the center of the bottom surface of the bottom cover, annular tooth sockets are formed in the peripheral side of the bottom cover and meshed with a first driving gear, and the first driving gear is connected with an output shaft of a first motor on the tank body;
the impact head comprises an impact head main body and an impact head shell arranged on the impact head main body in a sliding mode, an eccentric block is arranged at the bottom of the impact head main body, a central shaft of the eccentric block is connected with the impact head main body in a rotating mode, the central shaft of the eccentric block is connected with an output shaft of a third motor in the impact head main body in a rotating mode, a second reset spring used for resetting the impact head shell is further arranged between the impact head shell and the impact head main body, one end of the second reset spring is connected with the impact head shell, and the other end of the second reset spring is connected with the impact head main body.
As a preferred embodiment of the present invention, a U-shaped slide rail that is open to the left is disposed at the top of the impact head, the U-shaped slide rail is slidably connected to the bottom cover, a rack is disposed on an inner side of the top of the U-shaped slide rail, a second driving gear is rotatably disposed at a right lower end of the bottom cover, the second driving gear is engaged with the rack, the second driving gear is fixedly connected to an output shaft of a second motor on the bottom cover, and an electromagnetic positioning pin is disposed at a position of the bottom cover corresponding to a U-shaped groove of the U-shaped slide rail.
As a preferred embodiment of the present invention, an annular limiting boss is disposed at the bottom of the tank body, a plurality of rolling steel balls are uniformly disposed on the top surface of the limiting boss, a limiting groove for accommodating the limiting boss is disposed at the top of the bottom cover, a limiting ring is fixedly connected to the top of the bottom cover, and the bottom surface of the limiting ring is in contact with the rolling steel balls.
As a preferred embodiment of the invention, the fruit and vegetable crushing box comprises a fruit and vegetable crushing box main body, the fruit and vegetable crushing box main body comprises a material guide table fixedly arranged at the top of the fruit and vegetable crushing box main body, a tapered material guide cavity and a rectangular transition cavity are sequentially arranged in the material guide table from top to bottom, a material crushing net woven by metal wires is arranged at the bottom end of the transition cavity, a plurality of meshes capable of uniformly extruding fruits and vegetables are arranged on the material crushing net, a material guide cover is arranged below the material crushing net, and a material outlet at the bottom of the material guide cover is connected with the mixing reaction box through a feeding pipe.
As a preferred embodiment of the present invention, article placing cavities are formed on two sides of the transition cavity, a crushing cutter is accommodated in the article placing cavities, the crushing cutter includes a transmission rod and cutter teeth arranged on the transmission rod, the transmission rod is fixedly connected with an output shaft of a fourth motor, sealing discs are arranged at the front end and the rear end of the fourth motor, the sealing discs are slidably connected with the article placing cavities, and one end of each sealing disc, which is far away from the fourth motor, is connected with a movable end of a telescopic rod in the article placing cavity.
As a preferred embodiment of the invention, a partition plate is arranged at the central position of the bottom of the material guide cover, a cavity is formed in the partition plate, a cutting knife is slidably arranged in the cavity, the bottom end of the cutting knife is connected with one end of a telescopic spring at the bottom of the cavity, the top end of the cutting knife penetrates through the crushed aggregates net and extends into the crushed aggregates net, and a knife slot matched with the cutting knife is formed at the central position of the bottom surface of the shell of the impact head; and cleaning spray heads are arranged on the inner walls of the material guide cavity and the material guide cover.
As a preferred embodiment of the present invention, the mixing reaction box includes a fat-soluble pesticide mixing reaction box and a water-soluble pesticide mixing reaction box, the guide cover is divided into two guide cavities by a partition plate, discharge ports at the bottoms of the two guide cavities are respectively connected with the water-soluble pesticide mixing reaction box and the fat-soluble pesticide mixing reaction box through feed pipes, a dosing port at the top of the fat-soluble pesticide mixing reaction box is connected with a non-polar solvent box at the back of the mounting rack through a dosing pipe, a dosing port at the top of the water-soluble pesticide mixing reaction box is connected with a polar solvent box at the back of the mounting rack through a dosing pipe, and small pumps for pumping and feeding solvents are respectively arranged inside the fat-soluble pesticide mixing reaction box and the water-soluble pesticide mixing reaction box.
As a preferred embodiment of the present invention, a plurality of paddles are disposed in both the fat-soluble pesticide mixing reaction tank and the water-soluble pesticide mixing reaction tank, and a transmission rod of each paddle is fixedly connected to an output shaft of a driving motor on the mixing reaction tank; the mixed reaction box of fat-soluble pesticide and water-soluble pesticide all seted up sample solution delivery outlet and waste discharge port bottom, the sample solution delivery outlet passes through the transfer line and is connected with the input of micropump, the output and the pesticide residue analysis appearance of sample pump send the pump to be connected, waste discharge port passes through the waste pipe and is connected with the wastewater disposal basin at mounting bracket back.
As a preferred embodiment of the present invention, the electromagnetic positioning pin includes a pin barrel and a plug slidably disposed inside the pin barrel, one end of the plug located inside the pin barrel is connected to a limiting plate, one side of the limiting plate away from the plug is provided with an iron block, an electromagnet is disposed at a middle position of the pin barrel, one side of the limiting plate close to the plug is connected to one end of a telescopic spring, and the other end of the telescopic spring is connected to the pin barrel.
In a preferred embodiment of the present invention, the surface of the impact head housing is covered with an elastic rubber layer.
The fruit and vegetable pesticide residue detection device with the double mixing cavities has at least the following two beneficial effects:
firstly, the water-soluble pesticide and the fat-soluble pesticide in the fruits and vegetables can be simultaneously extracted by the non-polar solvent in the fat-soluble pesticide mixing reaction box and the polar solvent in the water-soluble pesticide mixing reaction box, so that the residual water-soluble pesticide and the residual fat-soluble pesticide can be detected, and the detection efficiency of the residual pesticide in the fruits and vegetables can be improved.
Secondly, the fruit and vegetable can be coarsely crushed by the crushing cutter, then the fruit and vegetable is impacted by the vibrating impact head shell, the sharp crushed aggregates net is matched to extrude and cut the fruit and vegetable, the fruit and vegetable is crushed and extruded out of the meshes of the crushed aggregates net, and uniform and fine crushing is realized, so that the subsequent solvent can be better mixed with the pesticide.
Drawings
FIG. 1 is a schematic overall view of the present invention;
FIG. 2 is a schematic view of the outer appearance of the fruit and vegetable holding tank of the present invention;
FIG. 3 is a schematic view of the fruit and vegetable holding tank with the impact head removed according to the present invention;
FIG. 4 is a schematic structural view of the fruit and vegetable holding tank of the present invention;
FIG. 5 is a schematic structural diagram of a bottom cover according to the present invention;
FIG. 6 is a schematic view of the bottom cover after the impact head is removed;
FIG. 7 is a schematic structural view of an electromagnetic locating pin according to the present invention;
FIG. 8 is a schematic structural view of the fruit and vegetable crushing box when the fruit and vegetable placing tank is not punched;
fig. 9 is a schematic structural diagram of the fruit and vegetable crushing box when the fruit and vegetable placing tank is punched.
In the figure: 1. a mounting frame; 2. a first telescopic electric cylinder; 3. a sliding plate; 4. a right clamping block; 5. a left clamping block; 6. placing the fruits and vegetables in a tank; 7. fruit and vegetable crushing box; 8. a mixing reaction box; 9. a pesticide residue analyzer;
601. a tank body; 602. a slider; 603. a bottom cover; 604. a limiting ring; 605. rolling the steel ball; 606. a first drive gear; 607. a first motor; 608. a tooth socket; 609. an impact head; 6091. an impact head main body; 6092. an impact head housing; 6093. an eccentric block; 6094. a U-shaped slide rail; 6095. a rack; 6096. a second driving gear; 6097. an electromagnetic positioning pin; 60971. a pin barrel; 60972. a bolt; 60973. a limiting plate; 60974. an iron block; 60975. an electromagnet;
701. a fruit and vegetable crushing box main body; 702. a material guide table; 703. a particle screen; 704. a crushing knife; 705. a cutting knife; 706. a material guiding cover;
801. a fat-soluble pesticide mixing reaction box; 802. water-soluble pesticide mixes reaction box.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Referring to fig. 1-9, the present invention provides a technical solution: a fruit and vegetable pesticide residue detection device with double mixing cavities: the fruit and vegetable smashing device comprises an installation frame 1, a fruit and vegetable placing tank 6 arranged at the top of the installation frame 1, and a fruit and vegetable smashing box 7 and a mixing reaction box 8 which are sequentially arranged on a bearing plate at the bottom of the installation frame 1 from top to bottom, wherein a sample solution output port of the mixing reaction box 8 is connected with an input end of a small pump through a liquid conveying pipe, and an output end of the small pump is connected with a pesticide residue analyzer 9; open earlier the top cap that jar 6 was placed to the fruit vegetables, the fruit vegetables that will wait to detect are put into fruit vegetables and are placed jar 6 in, the fruit vegetables that wait to detect are placed jar 6 from the fruit vegetables and are fallen into the inside of fruit vegetables crushing case 7 and are smashed the squeezing process back through smashing, get into the inside of mixing reaction box 8 and rather than inside medicament intensive mixing, through the medicament with remaining pesticide composition in the fruit vegetables extract form medicament and pesticide composition's mixed liquid, the minipump sends into the mixed liquid of medicament and pesticide composition analysis and treatment in the pesticide residue analysis appearance 9.
The fruit and vegetable placing tank 6 is positioned between the right clamping block 4 and the left clamping block 5, a first reset spring is arranged between the left clamping block 5 and the fixed plate, sliding grooves are formed in the opposite sides of the right clamping block 4 and the left clamping block 5, sliding blocks 602 matched with the sliding grooves are arranged on the two sides of the fruit and vegetable placing tank 6, positioning holes are formed in the right clamping block 4, the left clamping block 5 and the sliding block 602, and positioning bolts are arranged on the positioning holes; when the fruit and vegetable containing tank 6 needs to be disassembled and replaced, the positioning bolt is screwed out to remove the positioning of the fruit and vegetable containing tank 6, then the screwing bolt is screwed out, the left clamping block 5 is loosened to enable the fruit and vegetable containing tank 6 to be convenient for the fruit and vegetable containing tank 6 to be taken out.
The fruit and vegetable placing tank 6 comprises a tank body 601 with an upper opening and a lower opening, a top cover hinged to the top of the tank body 601, a bottom cover 603 rotationally arranged at the bottom of the tank body 601 and an impact head 609 arranged on the bottom surface of the bottom cover 603, a feed opening is formed in the center of the bottom surface of the bottom cover 603, an annular tooth groove 608 is formed in the peripheral side of the bottom cover 603, the tooth groove 608 is meshed with a first driving gear 606, and the first driving gear 606 is connected with an output shaft of a first motor 607 on the tank body 601; when the fruits and vegetables need to be further extruded and crushed, the impact head 609 of the fruit and vegetable placing tank 6 is firstly lowered into the fruit and vegetable crushing box 7 through the first telescopic electric cylinder 2, and the fruit and vegetable are crushed more uniformly by the downward pressing of the impact head 609 in cooperation with the crushed material net 703 in the fruit and vegetable crushing box 7; during the pressing process, the first driving gear 606 can drive the impact head 609 to rotate, so that the impact head 609 can better extrude fruits and vegetables out of the particle net 703.
The impact head 609 comprises an impact head main body 6091 and an impact head shell 6092 arranged on the impact head main body 6091 in a sliding manner, an eccentric block 6093 is arranged at the bottom of the impact head main body 6091, a central shaft of the eccentric block 6093 is rotatably connected with the impact head main body 6091, the central shaft of the eccentric block 6093 is also connected with an output shaft of a third motor in the impact head main body 6091, a second reset spring for resetting the impact head shell 6092 is further arranged between the impact head shell 6092 and the impact head main body 6091, one end of the second reset spring is connected with the impact head shell 6092, and the other end of the second reset spring is connected with the impact head main body 6091; after the impact head 609 is pressed down to a certain position, the third motor drives the eccentric block 6093 to rotate, and then drives the impact head shell 6092 to vibrate, so that the impact head 609 impacts fruits and vegetables, and then the sharp crushed aggregates net 703 is matched to extrude and cut the fruits and vegetables, so that the fruits and vegetables are crushed and extruded out of meshes of the crushed aggregates net 703.
As a preferred embodiment of the present invention, a U-shaped slide rail 6094 that is open to the left is disposed at the top of the impact head 609, the U-shaped slide rail 6094 is slidably connected to the bottom cover 603, a rack 6095 is disposed on the inner side of the top of the U-shaped slide rail 6094, a second driving gear 6096 is rotatably disposed at the right lower end of the bottom cover 603, the second driving gear 6096 and the rack 6095 are engaged with each other, the second driving gear 6096 is fixedly connected to an output shaft of a second motor on the bottom cover 603, and an electromagnetic positioning pin 6097 is disposed at the bottom cover 603 at a position corresponding to a U-shaped groove of the U-shaped slide rail 6094; when fruits and vegetables fall into the fruit and vegetable crushing box 7 from the fruit and vegetable placing tank 6, the electromagnetic positioning pin 6097 firstly releases the positioning of the U-shaped slide rail 6094, the second motor drives the second driving gear 6096 to rotate, the rack 6095 of the U-shaped slide rail 6094 is matched, the impact head 609 is moved away from the bottom surface of the bottom cover 603, the blocking of a discharge hole at the bottom of the fruit and vegetable placing tank 6 is released, after the fruits and vegetables are waited to be detected from the fruit and vegetable placing tank 6 and fall into the fruit and vegetable crushing box 7, the second motor drives the second driving gear 6096 to rotate reversely, the impact head 609 is moved into the position under the bottom cover 603, and the electromagnetic positioning pin 6097 fixes the impact head 609 again.
As a preferred embodiment of the present invention, an annular limiting boss is disposed at the bottom of the tank 601, a plurality of rolling steel balls 605 are uniformly disposed on the top surface of the limiting boss, a limiting groove for accommodating the limiting boss is disposed at the top of the bottom cover 603, a limiting ring 604 is fixedly connected to the top of the bottom cover 603, and the bottom surface of the limiting ring 604 contacts with the rolling steel balls 605; the bottom cover 603 can smoothly and stably rotate at the bottom of the tank 601 through the arrangement of the structure.
As a preferred embodiment of the present invention, the fruit and vegetable smashing box 7 comprises a fruit and vegetable smashing box main body 701, the fruit and vegetable smashing box main body 701 comprises a material guiding table 702 fixedly arranged at the top of the fruit and vegetable smashing box main body 701, a tapered material guiding cavity and a rectangular transition cavity are sequentially arranged in the material guiding table 702 from top to bottom, a material smashing net 703 woven by metal wires is arranged at the bottom end of the transition cavity, a plurality of meshes capable of evenly extruding fruits and vegetables are arranged on the material smashing net 703, a material guiding cover 706 is arranged below the material smashing net 703, and a discharge port at the bottom of the material guiding cover 706 is connected with the mixing reaction box 8 through a feeding pipe; fruits and vegetables to be detected fall into the metal wire knitted material crushing net 703 through the material guide cavity and the transition cavity, and a plurality of meshes formed by sharp and high-strength metal wires are matched with the extrusion of the impact head 609, so that the fruits and vegetables to be detected can be effectively and uniformly crushed; if the fruits and vegetables cover most of meshes of the particle screen 703, and the particle screen 703 has a certain tightness, the transition cavity is matched with the rubber layer on the surface of the impact head shell 6092, which is equivalent to that the piston pressurizes the sealed particle screen 703, and the fruits and vegetables can be crushed and pressed out by using the pressure.
As a preferred embodiment of the present invention, article placing cavities are formed on two sides of the transition cavity, a crushing knife 704 is accommodated in the article placing cavity, the crushing knife 704 includes a transmission rod and a knife tooth arranged on the transmission rod, the transmission rod is fixedly connected with an output shaft of a fourth motor, sealing discs are arranged at the front end and the rear end of the fourth motor, the sealing discs are slidably connected with the article placing cavity, and one end of each sealing disc, which is far away from the fourth motor, is connected with a movable end of a telescopic rod in the article placing cavity; smash sword 704 can carry out preliminary coarse crushing to the fruit vegetables that awaits measuring, accomodates into after the coarse crushing finishes and puts the thing intracavity, avoids causing the influence to follow-up percussion head 609's work.
As a preferred embodiment of the present invention, a partition plate is disposed at the central position of the bottom of the material guiding cover 706, a cavity is disposed inside the partition plate, a cutting knife 705 is slidably disposed in the cavity, the bottom end of the cutting knife 705 is connected to one end of a telescopic spring at the bottom of the cavity, the top end of the cutting knife 705 penetrates through the crushed aggregates net 703 and extends into the crushed aggregates net 703, and a knife slot matched with the cutting knife 705 is disposed at the central position of the bottom surface of the impact head housing 6092; cleaning spray heads are arranged on the inner walls of the material guide cavity and the material guide cover 706; the cutting knife 705 and the partition plate have a separation function, so that the fruits and vegetables can be separated on two sides of the material breaking net 703 or the material guide cover 706, and the respective detection of the fat-soluble pesticide and the water-soluble pesticide is facilitated; after the detection is finished, the cleaning spray head can spray cleaning water to wash the material guide cover 706, the particle screen 703 and the impact head shell 6092.
As a preferred embodiment of the present invention, the mixing reaction box 8 includes a fat-soluble pesticide mixing reaction box 801 and a water-soluble pesticide mixing reaction box 802, the material guiding cover 706 is divided into two material guiding cavities by a partition plate, material outlets at the bottoms of the two material guiding cavities are respectively connected with the water-soluble pesticide mixing reaction box 802 and the fat-soluble pesticide mixing reaction box 801 through a material feeding pipe, a material adding port at the top of the fat-soluble pesticide mixing reaction box 801 is connected with a non-polar solvent box at the back of the mounting rack 1 through a material feeding pipe, a material adding port at the top of the water-soluble pesticide mixing reaction box 802 is connected with a polar solvent box at the back of the mounting rack 1 through a material feeding pipe, and small pumps for pumping and feeding solvent are respectively arranged inside the fat-soluble pesticide mixing reaction box 801 and the water-soluble pesticide mixing reaction box; the water-soluble pesticide and the fat-soluble pesticide in the fruits and vegetables can be extracted simultaneously through the fat-soluble pesticide mixing reaction box 801 and the water-soluble pesticide mixing reaction box 802, so that the residual water-soluble pesticide and the residual fat-soluble pesticide can be detected; the non-polar solvent or the polar solvent is supplied into the fat-soluble pesticide mixing reaction tank 801 and the water-soluble pesticide mixing reaction tank 802 by a small pump, and the water-soluble pesticide or the fat-soluble pesticide remaining in the fruits and vegetables is extracted by the non-polar solvent or the polar solvent.
As a preferred embodiment of the present invention, a plurality of paddles are disposed in both the fat-soluble pesticide mixing reaction tank 801 and the water-soluble pesticide mixing reaction tank 802, and a transmission rod of each paddle is fixedly connected to an output shaft of a driving motor on the mixing reaction tank 8; the stirring paddle is arranged to facilitate better mixing of the non-polar solvent or the polar solvent and the pesticide residue in the fruits and vegetables.
As a preferred embodiment of the present invention, the bottom of each of the fat-soluble pesticide mixing reaction tank 801 and the water-soluble pesticide mixing reaction tank 802 is provided with a sample solution output port and a waste discharge port, the sample solution output port is connected with the input end of the small pump through a liquid transfer pipe, and the waste discharge port is connected with a waste water tank on the back of the mounting rack 1 through a waste water pipe; and finally discharging the sample solution formed by the residual medicament and the fruits and vegetables into a wastewater pool through a wastewater pipe.
As a preferred embodiment of the present invention, the electromagnetic positioning pin 6097 includes a pin cylinder 60971 and a pin 60972 slidably disposed inside the pin cylinder 60971, one end of the pin 60972 located inside the pin cylinder 60971 is connected to a position-limiting plate 60973, one side of the position-limiting plate 60973 away from the pin 60972 is provided with an iron block 60974, an electromagnet 60975 is disposed in the middle of the pin cylinder 60971, one side of the position-limiting plate 60973 close to the pin 60972 is connected to one end of a telescopic spring, and the other end of the telescopic spring is connected to the pin cylinder 60971; when the electromagnetic positioning pin 6097 is used for positioning the U-shaped slide rail 6094, the electromagnet 60975 is powered off, and the bolt 60972 is inserted into a jack formed in the inner side of the U-shaped slide rail 6094 under the action of the telescopic spring; when the electromagnetic positioning pin 6097 contacts and positions the U-shaped slide rail 6094, the electromagnet 60975 attracts the iron block 60974 to retract the plug 60972 into the pin tube 60971 to unlock the U-shaped slide rail 6094.
In a preferred embodiment of the present invention, the impact head housing 6092 is covered with an elastic rubber layer.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. The utility model provides a fruit vegetables pesticide residue detection device of two hybrid chambers which characterized in that: the fruit and vegetable smashing device comprises an installation rack (1), a fruit and vegetable placing tank (6) arranged at the top of the installation rack (1), and a fruit and vegetable smashing box (7) and a mixing reaction box (8) which are sequentially arranged on a bearing plate at the bottom of the installation rack (1) from top to bottom, wherein a sample solution output port of the mixing reaction box (8) is connected with an input end of a small pump through a liquid conveying pipe, and an output end of the small pump is connected with a pesticide residue analyzer (9);
the device is characterized in that a sliding plate (3) is connected onto the mounting frame (1) in a sliding manner, the bottom of the sliding plate (3) is connected with the movable end of a first telescopic electric cylinder (2), the fixed end of the first telescopic electric cylinder (2) is arranged on one side of the mounting frame (1), a right clamping block (4) and a left clamping block (5) are arranged on the sliding plate (3), the right clamping block (4) is fixedly connected with the sliding plate (3), the left clamping block (5) is connected with the sliding plate (3) in a sliding manner, a fixed plate is further arranged on the sliding plate (3), a screwing bolt is connected onto the fixed plate in a threaded manner, one end, close to the left clamping block (5), of the screwing bolt is contacted with the left clamping block (5), a first reset spring is arranged between the left clamping block (5) and the fixed plate, sliding grooves are formed in the opposite sides of the right clamping block (4) and the left clamping block (5, the fruit and vegetable placing tank (6) is positioned between the right clamping block (4) and the left clamping block (5), sliding blocks (602) matched with the sliding grooves are arranged on two sides of the fruit and vegetable placing tank (6), positioning holes are formed in the right clamping block (4), the left clamping block (5) and the sliding blocks (602), and positioning bolts are arranged on the positioning holes;
the fruit and vegetable placing tank (6) comprises a tank body (601) with an upper opening and a lower opening, a top cover hinged to the top of the tank body (601), a bottom cover (603) rotatably arranged at the bottom of the tank body (601) and an impact head (609) arranged on the bottom surface of the bottom cover (603), a feed opening is formed in the center of the bottom surface of the bottom cover (603), an annular tooth socket (608) is formed in the peripheral side of the bottom cover (603), the tooth socket (608) is meshed with a first driving gear (606), and the first driving gear (606) is connected with an output shaft of a first motor (607) on the tank body (601);
impact head (609) including impact head main part (6091) and set up impact head shell (6092) on impact head main part (6091) with sliding, impact head main part (6091) bottom and be provided with eccentric block (6093), the center pin and impact head main part (6091) of eccentric block (6093) rotate to be connected, and the center pin of eccentric block (6093) still with the output shaft who strikes the third motor in head main part (6091), still be provided with the second reset spring that is used for impacting head shell (6092) and reseing between impact head shell (6092) and impact head main part (6091), the one end and the impact head shell (6092) of second reset spring are connected, and the other end is connected with impact head main part (6091).
2. The fruit and vegetable pesticide residue detection device with the double mixing chambers as claimed in claim 1, wherein a U-shaped slide rail (6094) which is open to the left is arranged at the top of the impact head (609), the U-shaped slide rail (6094) is slidably connected with the bottom cover (603), a rack (6095) is arranged on the inner side of the top of the U-shaped slide rail (6094), a second driving gear (6096) is arranged at the lower right end of the bottom cover (603) in a rotating manner, the second driving gear (6096) is engaged with the rack (6095), the second driving gear (6096) is fixedly connected with an output shaft of a second motor on the bottom cover (603), and an electromagnetic positioning pin (6097) is arranged at a position of the bottom cover (603) corresponding to the U-shaped groove of the U-shaped slide rail (6094).
3. The fruit and vegetable pesticide residue detection device with the double mixing cavities as claimed in claim 1, wherein an annular limiting boss is arranged at the bottom of the tank body (601), a plurality of rolling steel balls (605) are uniformly arranged on the top surface of the limiting boss, a limiting groove for accommodating the limiting boss is formed in the top of the bottom cover (603), a limiting ring (604) is fixedly connected to the top of the bottom cover (603), and the bottom surface of the limiting ring (604) is in contact with the rolling steel balls (605).
4. The fruit and vegetable pesticide residue detection device with the double mixing cavities as claimed in claim 1, wherein the fruit and vegetable crushing box (7) comprises a fruit and vegetable crushing box main body (701), the fruit and vegetable crushing box main body (701) comprises a material guide table (702) fixedly arranged at the top of the fruit and vegetable crushing box main body (701), a tapered material guide cavity and a rectangular transition cavity are sequentially formed in the material guide table (702) from top to bottom, a material crushing net (703) woven by metal wires is arranged at the bottom end of the transition cavity, a plurality of meshes capable of evenly extruding fruits and vegetables are arranged on the material crushing net (703), a material guide cover (706) is arranged below the material crushing net (703), and a material outlet at the bottom of the material guide cover (706) is connected with the mixing reaction box (8) through a material conveying pipe.
5. The fruit and vegetable pesticide residue detection device with the double mixing cavities as claimed in claim 4, wherein the two sides of the transition cavity are provided with the object placing cavities, the object placing cavities are internally accommodated with the crushing cutters (704), the crushing cutters (704) comprise transmission rods and cutter teeth arranged on the transmission rods, the transmission rods are fixedly connected with output shafts of a fourth motor, the four motor is provided with sealing discs at the front and rear ends, the sealing discs are connected with the object placing cavities in a sliding manner, and one end of each sealing disc, far away from the fourth motor, is connected with the movable end of the telescopic rod in the object placing cavity.
6. The fruit and vegetable pesticide residue detection device with the double mixing chambers as claimed in claim 4, wherein a partition plate is arranged at the central position of the bottom of the material guide cover (706), a cavity is formed in the partition plate, a cutting knife (705) is slidably arranged in the cavity, the bottom end of the cutting knife (705) is connected with one end of a telescopic spring at the bottom of the cavity, the top end of the cutting knife (705) penetrates through the crushed aggregates net (703) and extends into the crushed aggregates net (703), and a knife slot matched with the cutting knife (705) is formed at the central position of the bottom surface of the impact head housing (6092); and cleaning spray heads are arranged on the inner walls of the material guide cavity and the material guide cover (706).
7. The device for detecting pesticide residues on fruits and vegetables with double mixing chambers as claimed in claim 6, the mixing reaction box (8) comprises a fat-soluble pesticide mixing reaction box (801) and a water-soluble pesticide mixing reaction box (802), the material guide cover (706) is divided into two material guide cavities by a partition plate, discharge ports at the bottoms of the two material guide cavities are respectively connected with the water-soluble pesticide mixing reaction box (802) and the fat-soluble pesticide mixing reaction box (801) through feeding pipes, a dosing port at the top of the fat-soluble pesticide mixing reaction box (801) is connected with a non-polar solvent box at the back of the mounting rack (1) through a pesticide feeding pipe, a dosing port at the top of the water-soluble pesticide mixing reaction box (802) is connected with a polar solvent box at the back of the mounting rack (1) through a pesticide feeding pipe, and small pumps for pumping the solvent are arranged in the fat-soluble pesticide mixing reaction box (801) and the water-soluble pesticide mixing reaction box (802).
8. The fruit and vegetable pesticide residue detection device with double mixing chambers as claimed in claim 7, wherein a plurality of stirring paddles are arranged in the fat-soluble pesticide mixing reaction box (801) and the water-soluble pesticide mixing reaction box (802), and the transmission rods of the stirring paddles are fixedly connected with the output shaft of the driving motor on the mixing reaction box (8); the device is characterized in that a sample solution output port and a waste discharge port are formed in the bottoms of the fat-soluble pesticide mixing reaction box (801) and the water-soluble pesticide mixing reaction box (802), the sample solution output port is connected with the input end of a sample pumping pump through a liquid conveying pipe, the output end of the sample pumping pump is connected with a pesticide residue analyzer (9), and the waste discharge port is connected with a waste water tank on the back of the mounting rack (1) through a waste water pipe.
9. The fruit and vegetable pesticide residue detection device with double mixing cavities as claimed in claim 2, wherein the electromagnetic type positioning pin (6097) comprises a pin barrel (60971) and a pin (60972) slidably arranged inside the pin barrel (60971), one end of the pin (60972) located inside the pin barrel (60971) is connected with a limiting plate (60973), an iron block (60974) is arranged on one side of the limiting plate (60973) far away from the pin (60972), an electromagnet (60975) is arranged in the middle of the pin barrel (60971), one side of the limiting plate (60973) close to the pin (60972) is connected with one end of a telescopic spring, and the other end of the telescopic spring is connected with the pin barrel (60971).
10. The device for detecting pesticide residue on fruits and vegetables with double mixing chambers as claimed in claim 9, wherein the surface of the impact head housing (6092) is coated with an elastic rubber layer.
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| CN113466123A (en) * | 2021-06-15 | 2021-10-01 | 西南大学 | Fruit vegetables collision experimental apparatus |
| CN113974409A (en) * | 2021-12-03 | 2022-01-28 | 东莞市贤华实业有限公司 | Extrusion formula fruit vegetables juice extractor convenient to germicidal treatment |
| CN116500214A (en) * | 2023-06-06 | 2023-07-28 | 吕玉霞 | Pesticide residue detection pretreatment system and method |
| CN118408770A (en) * | 2024-07-02 | 2024-07-30 | 夏津县市场监管检验检测中心 | Agricultural product pesticide residue detects sampling device |
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| CN118408770A (en) * | 2024-07-02 | 2024-07-30 | 夏津县市场监管检验检测中心 | Agricultural product pesticide residue detects sampling device |
| CN118408770B (en) * | 2024-07-02 | 2024-08-27 | 夏津县市场监管检验检测中心 | Agricultural product pesticide residue detects sampling device |
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