CN213632892U

CN213632892U - A quick sampling device for food pesticide residue detects

Info

Publication number: CN213632892U
Application number: CN202022639848.2U
Authority: CN
Inventors: 金慧; 王慧敏; 陈冰冰; 孔庆鑫
Original assignee: HANGZHOPU CENTER FOR DISEASE CONTROL AND PREVENTION
Current assignee: HANGZHOPU CENTER FOR DISEASE CONTROL AND PREVENTION
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-06
Anticipated expiration: 2030-11-16

Abstract

The utility model discloses a quick sampling device for food pesticide residue detects, including the sampling box, be equipped with vertical division board in the sampling box, the lower extreme of division board articulates there is the isolation door, the below of division board is equipped with the solid box and the liquid box that parallel that are located the isolation door both sides, the top of liquid box is equipped with the first filter screen of slope towards the solid box, the lower extreme of first filter screen is located solid box department, the surface of first filter screen is equipped with the clamp plate, be equipped with the moving mechanism that the drive clamp plate removed along first filter screen in the sampling box, moving mechanism's top is equipped with one pair of crushing roller that has the sawtooth, the top of crushing roller is equipped with the pivot that drives through first motor, be equipped with a plurality of cutting knives in the pivot, the top of pivot is equipped with. The utility model has the characteristics of abundant solid-liquid separation, improvement extract the purity and the extraction efficiency of juice.

Description

A quick sampling device for food pesticide residue detects

Technical Field

The utility model relates to a food pesticide sampling device, especially a quick sampling device for food pesticide residue detects.

Background

At present, in order to ensure the rapid growth of crops in agricultural production, weeding, deinsectization, fertilization and the like are required, and a large amount of pesticides are often used in weeding, deinsectization and fertilization, so that not only can the environment be polluted, but also part of pesticides can be remained in crops such as grains, vegetables and fruits. The pesticide residue is difficult to eliminate and is unknowingly sold to the market, so that people eat crops with pesticide residue and food poisoning is caused. Along with the development of society and the improvement of people's living standard, people pay more and more attention to the safety problem of food, pay more and more attention to the detection of food pesticide residue, and the detection mode is also more and more, has biochemical assay method, chromatographic assay method etc. commonly used, and the sample that detects also is various, needs to extract the juice in the food to detect for some, needs to extract the piece or the particulate matter in the food to detect for some. The existing sampling device for detecting pesticide residues in food generally adopts a cutting mode and then extracts juice in food through filtering of a filter screen, but does not well perform solid-liquid separation, solid particles accumulated on the filter screen are more and more, and the purity and the extraction efficiency of the extracted juice are easily influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a quick sampling device for food pesticide residue detects. The utility model has the characteristics of abundant solid-liquid separation, improvement extract the purity and the extraction efficiency of juice.

The technical scheme of the utility model: a quick sampling device for food pesticide residue detects, including the sampling box, be equipped with vertical division board in the sampling box, the lower extreme of division board articulates there is the dodge gate, the below of division board is equipped with solid box and the liquid box that stands side by side that is located the dodge gate both sides, the top of liquid box is equipped with the first filter screen of slope towards solid box, the lower extreme of first filter screen is located solid box department, the surface of first filter screen is equipped with the clamp plate, be equipped with the moving mechanism that the drive clamp plate removed along first filter screen in the sampling box, moving mechanism's top is equipped with one and is to the crushing roller that has the sawtooth, the top of crushing roller is equipped with the pivot that drives through first motor, be equipped with a plurality of cutting knives in the pivot, the.

In the rapid sampling device for detecting pesticide residues in food, the second filter screen is arranged in the liquid box.

Among the aforementioned a quick sampling device for food pesticide residue detects, the isolating gate is articulated through pivot and division board, and the cover is equipped with the torsional spring in the pivot, and the one end and the division board of torsional spring are connected, and the other end and the isolating gate of torsional spring are connected, and the lower extreme butt of isolating gate is on first filter screen.

In the aforementioned quick sampling device for food pesticide residue detects, moving mechanism is equipped with the lead screw including installing the second motor on the division board on the second motor, and threaded connection has the movable sleeve on the lead screw, is equipped with the mounting groove in the movable sleeve, connects the connecting rod through the pressure spring in the mounting groove, and the connecting rod is connected with the clamp plate.

In the aforementioned quick sampling device for food pesticide residue detection, the inclination angle of the pressing plate is consistent with that of the first filter screen, and the front end of the pressing plate is provided with the sharp-horn-shaped scraper.

In the aforesaid a quick sampling device for food pesticide residue detects, be located on the inner wall of sampling box and be equipped with the slope towards the guide plate of smashing the roller between pivot and the crushing roller, the cutting knife slope towards smashing the roller that is located both ends in the pivot.

Compared with the prior art, the utility model is respectively provided with the solid box and the liquid box, the extraction efficiency and effect are improved through the double crushing of the cutting knife and the crushing roller, the massive food is cut into fine particles, and the juice in the food can be more fully extracted; the juice enters the liquid box through the first filter screen and the second filter screen, and the solid particles are blocked on the first filter screen; the clamp plate that sets up further extrudees the solid residue on the first filter screen, squeezes out remaining juice and flows into the liquid box to promote the solid particle thing on the first filter screen and collect in the solid box under moving mechanism's effect, realize solid-liquid separation, and clear up first filter screen, guarantee the certain permeability of first filter screen, avoid blockking up, improve subsequent filter effect and extraction efficiency.

The utility model discloses can fully, extract fast the fritter solid and the liquid of food, can adopt solid sample and liquid sample respectively according to the detection mode of difference. Therefore, the utility model has the characteristics of abundant solid-liquid separation, improvement extract the purity and the extraction efficiency of juice.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of a connection structure of the movable sleeve and the pressure plate.

The labels in the figures are: 1. a sampling box; 11. a baffle; 2. a separator plate; 21. an isolation gate; 22. a solid box; 23. a liquid cartridge; 24. a first filter screen; 25. a second filter screen; 3. pressing a plate; 31. a second motor; 32. a screw rod; 33. a movable sleeve; 34. mounting grooves; 35. a pressure spring; 36. a connecting rod; 37. a squeegee; 4. a crushing roller; 41. a first motor; 42. a rotating shaft; 43. a cutting knife; 44. a feed hopper.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention.

Examples

As shown in fig. 1-2, a quick sampling device for food pesticide residue detection, including sampling box 1, be equipped with vertical division board 2 in the sampling box 1, the lower extreme of division board 2 articulates there is division door 21, the below of division board 2 is equipped with solid box 22 and the liquid box 23 that parallels that is located division door 21 both sides, the top of liquid box 23 is equipped with the first filter screen 24 of slope towards solid box 22, the lower extreme of first filter screen 24 is located solid box 22 department, the surface of first filter screen 24 is equipped with clamp plate 3, be equipped with the moving mechanism that drives clamp plate 3 and remove along first filter screen 24 in the sampling box 1, the top of moving mechanism is equipped with a pair of crushing roller 4 that has the sawtooth, the top of crushing roller 4 is equipped with pivot 42 through first motor 41 drive, be equipped with a plurality of cutting knife 43 on the pivot 42, the top of pivot 42 is equipped with feeder hopper 44.

A second filter screen 25 is arranged in the liquid box 23. Carry out double filtration through first filter screen 24 and second filter screen 25, avoid first filter screen 24 to leak the solid matter under the effect of clamp plate 3 in liquid box 23, improve the purity of juice.

The isolating door 21 is hinged to the isolating plate 2 through a rotating shaft 42, a torsion spring is sleeved on the rotating shaft 42, one end of the torsion spring is connected with the isolating plate 2, the other end of the torsion spring is connected with the isolating door 21, and the lower end of the isolating door 21 is abutted to the first filter screen 24. The isolation door 21 can be restored to the original position by the torsion spring after being opened by the pressing force of the pressing plate 3.

The moving mechanism comprises a second motor 31 installed on the isolation plate 2, a screw rod 32 is arranged on the second motor 31, a movable sleeve 33 is connected to the screw rod 32 in a threaded mode, an installation groove 34 is formed in the movable sleeve 33, a connecting rod 36 is connected to the installation groove 34 through a pressure spring 35, and the connecting rod 36 is connected with the pressing plate 3. The pressing plate 3 is always tightly attached to the first filter screen 24 under the action of the pressure spring 35.

The inclination angle of the pressing plate 3 is consistent with that of the first filter screen 24, and the front end of the pressing plate 3 is provided with a sharp-angle scraper 37. The solid particle on the first filter screen 24 can be scraped better to the scraper blade 37 of closed angle shape, all pushes away the solid particle on the first filter screen 24 to the solid box 22 in, improves the solid collection rate of solid box 22, improves the cleaning effect to first filter screen 24.

The inner wall of the sampling box 1 is provided with a guide plate 11 which inclines towards the crushing roller 4 and is positioned between the rotating shaft 42 and the crushing roller 4, and the cutting knives 43 positioned at two ends of the rotating shaft 42 incline towards the crushing roller 4. The cutting knife 43 structure on the rotating shaft 42 is arranged, so that multi-angle cutting and cutting efficiency improvement are realized, a guiding effect is achieved, and food is guided to the crushing roller 4 to be sufficiently crushed.

The working process is as follows: the vegetable and fruit blocks to be detected are placed into the sampling box 1 from the feed hopper 44, the first motor 41 is started, the rotating shaft 42 rotates to drive the cutting knife 43 to cut in multiple angles, the cut vegetable and fruit blocks fall to the crushing roller 4 under the action of the guide plate 11, and the crushing roller 4 is also driven by the driving motor to rotate to further crush the vegetable and fruit blocks, so that the large vegetable and fruit blocks are crushed into smaller blocks through double cutting, and the juice in the vegetable and fruit blocks can be better extracted; the little vegetables and fruits piece after the cutting falls into first filter screen 24 on, the juice then passes through first filter screen 24, second filter screen 25 enters into liquid box 23, then start second motor 31, second motor 31 drives lead screw 32 and rotates, make the movable sleeve 33 drive clamp plate 3 and remove along first filter screen 24, extrude little vegetables and fruits piece, further squeeze the juice, and along with clamp plate 3's removal, open division board 2, in pushing into solid box 22 with little vegetables and fruits piece, realize solid-liquid separation, and realize the clearance to first filter screen 24, subsequent filtration of being convenient for.

The part of the utility model not detailed is prior art.

Claims

1. A quick sampling device for food pesticide residue detects which characterized in that: comprises a sampling box (1), a vertical isolation plate (2) is arranged in the sampling box (1), an isolation door (21) is hinged at the lower end of the isolation plate (2), a solid box (22) and a liquid box (23) which are arranged in parallel and positioned at two sides of the isolation door (21) are arranged below the isolation plate (2), a first filter screen (24) which inclines towards the solid box (22) is arranged above the liquid box (23), the lowest end of the first filter screen (24) is positioned at the solid box (22), a pressing plate (3) is arranged on the surface of the first filter screen (24), a moving mechanism which drives the pressing plate (3) to move along the first filter screen (24) is arranged in the sampling box (1), a pair of crushing rollers (4) with saw teeth is arranged above the moving mechanism, a rotating shaft (42) driven by a first motor (41) is arranged above the crushing rollers (4), and a plurality of cutting knives (43) are arranged on the rotating shaft (42), a feed hopper (44) is arranged above the rotating shaft (42).

2. The rapid sampling device for food pesticide residue detection as claimed in claim 1, wherein: and a second filter screen (25) is arranged in the liquid box (23).

3. The rapid sampling device for food pesticide residue detection as claimed in claim 1, wherein: isolation door (21) are articulated with division board (2) through pivot (42), and the cover is equipped with the torsional spring on pivot (42), and the one end and the division board (2) of torsional spring are connected, and the other end and the isolation door (21) of torsional spring are connected, and the lower extreme butt of isolation door (21) is on first filter screen (24).

4. The rapid sampling device for food pesticide residue detection as claimed in claim 1, wherein: the moving mechanism comprises a second motor (31) installed on the isolation plate (2), a screw rod (32) is arranged on the second motor (31), a movable sleeve (33) is connected to the screw rod (32) in a threaded mode, a mounting groove (34) is formed in the movable sleeve (33), a connecting rod (36) is connected in the mounting groove (34) through a pressure spring (35), and the connecting rod (36) is connected with the pressing plate (3).

5. The rapid sampling device for food pesticide residue detection as claimed in claim 1, wherein: the inclination angle of clamp plate (3) is unanimous with the inclination of first filter screen (24), and the front end of clamp plate (3) is equipped with sharp horn shape scraper blade (37).

6. The rapid sampling device for food pesticide residue detection as claimed in claim 1, wherein: the inner wall of the sampling box (1) is provided with a guide plate (11) which inclines towards the crushing roller (4) and is positioned between the rotating shaft (42) and the crushing roller (4), and the rotating shaft (42) is provided with cutting knives (43) which are positioned at two ends and incline towards the crushing roller (4).