CN212780184U

CN212780184U - Sample preprocessing device for pesticide residue detection

Info

Publication number: CN212780184U
Application number: CN202021488707.9U
Authority: CN
Inventors: 杨君; 王宏伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-03-23
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a sample pretreatment device for pesticide residue detection, belonging to the technical field of agricultural product production detection, comprising a main body, a filter tank, a water tank and a support seat, wherein spray trays are respectively arranged on the left side and the right side of the upper end of the inner side of the main body in an inclined manner; a first guide block is fixedly arranged in the middle of the main body, an air cylinder is fixedly arranged at the bottom end of the first guide block, a piston rod at the output end of the air cylinder is fixedly connected with a pressing plate, second guide blocks are fixedly arranged on the left side and the right side below the main body respectively, and rotating plates are hinged to the bottom ends of the second guide blocks respectively; the crushing roller, the first guide block, the air cylinder, the pressing plate, the second guide block and the rotating plate are arranged, so that materials input into the main body can be sufficiently juiced, and a detection result is more accurate; through being equipped with second motor, spout the dish etc. when the material sediment of being convenient for is exported, be convenient for clear away owing to compress tightly the incomplete material sediment of adhesion on the rotor plate to do benefit to next use.

Description

Sample preprocessing device for pesticide residue detection

Technical Field

The utility model relates to an agricultural product production detects technical field, specifically is a pesticide residue detects uses sample preprocessing device.

Background

Pesticide residue refers to a phenomenon that a part of pesticide directly or indirectly remains in grains, vegetables, fruits, livestock products, aquatic products, soil and water after the pesticide is applied in agricultural production, and the pesticide residue causes great harm to the health of people, so the pesticide residue is a problem which is widely concerned, and people put higher demands on detection of the pesticide residue.

The existing sample pretreatment device for detecting pesticide residue cannot thoroughly press juice of the agricultural product after primary crushing, so that the detection result is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pesticide residue detects uses sample preprocessing device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a sample pretreatment device for pesticide residue detection comprises a main body, a filter tank, a water tank and a support seat, wherein the support seat is fixedly arranged at four corners of the bottom end of the main body; a crushing roller is arranged at the upper part of the inner side of the main body, a rotating shaft is fixedly inserted in the middle of the crushing roller, and the left end of the rotating shaft penetrates through the wall of the left side shell of the main body and is fixedly connected with the output end of a first motor; the fixed first guide block that is equipped with in main part middle part, the bottom mounting of first guide block is equipped with the cylinder, the piston rod fixedly connected with clamp plate of the output of cylinder, the left and right sides of main part below is fixed second guide block that is equipped with respectively, the bottom of second guide block articulates respectively and is equipped with the rotor plate, the bottom of second guide block is fixed the second motor that is equipped with respectively, the output fixedly connected with screw rod of second motor, the thread bush is equipped with the screw thread piece on the screw rod, it has the connecting rod to articulate between screw thread piece one side and the rotor plate bottom side, the right-hand member bottom side of main part is equipped with first output tube, first output tube is established the top of filter-tank, be equipped with filtering mechanism in the filter-tank.

As a further aspect of the present invention: the filter mechanism of the filter tank comprises a filter frame, wherein the filter frame is slidably clamped on the filter tank, a first filter plate and a second filter plate are arranged on the filter frame in a clamping mode, the second filter plate is arranged below the first filter plate, filter holes in the second filter plate are smaller than the filter holes in the first filter plate, a second output pipe is arranged on the wall of the bottom side of the filter tank, and a sealing cover is correspondingly arranged on the second output pipe.

As a further aspect of the present invention: the first guide block is a triangular prism.

As a further aspect of the present invention: the upper end of the feeding bin is correspondingly provided with an upper sealing cover.

As a further aspect of the present invention: and the first output pipe is correspondingly provided with a sealing bolt.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has strong practicability, and can make the materials after primary crushing fall on the rotating plate through the crushing roller, the first guide block, the cylinder, the pressing plate, the second guide block and the rotating plate, thereby the materials input into the main body can be sufficiently juiced, and the detection result is more accurate; the second motor, the screw, the thread block, the connecting rod, the water tank, the water pump and the spray disc are arranged, so that the material slag is output conveniently, and meanwhile, the residual material slag adhered to the rotating plate due to compression is removed conveniently, so that the next use is facilitated; the output materials can be filtered by the filtering mechanism, so that later detection is facilitated; the first filter plate and the second filter plate can be taken off from the filter frame in a sliding mode, so that the first filter plate and the second filter plate can be cleaned conveniently.

Drawings

Fig. 1 is a schematic structural view of a sample pretreatment device for pesticide residue detection.

Fig. 2 is a schematic structural diagram of a first guide block in a sample pretreatment device for pesticide residue detection.

Notations for reference numerals: 1-main part, 2-filter tank, 3-water tank, 4-feeding bin, 5-upper sealing cover, 6-water pump, 7-spray disk, 8-first motor, 9-rotating shaft, 10-crushing roller, 11-first guide block, 12-cylinder, 13-press plate, 14-second guide block, 15-rotating plate, 16-second motor, 17-screw, 18-thread block, 19-connecting rod, 20-first output pipe, 21-supporting seat, 22-sealing bolt, 23-filter stand, 24-first filter plate, 25-second filter plate and 26-second output pipe.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1-2, a sample pretreatment device for pesticide residue detection comprises a main body 1, a filter tank 2, a water tank 3 and a support base 21, wherein the support base 21 is fixedly arranged at four corners of the bottom end of the main body 1, the water tank 3 is arranged at the left side and the right side of the upper end of the main body 1, the filter tank 2 is arranged at the output end of the right side of the main body 1, a feeding bin 4 is arranged at the upper end of the main body 1, spray trays 7 are respectively obliquely arranged at the left side and the right side of the upper end of the inner side of the main body 1, a plurality of spray heads are arranged at the bottoms of the spray trays 7, the spray trays 7 are connected with the output end of a water pump 6 through output pipes; a crushing roller 10 is arranged at the upper part of the inner side of the main body 1, a rotating shaft 9 is fixedly inserted in the middle of the crushing roller 10, and the left end of the rotating shaft 9 penetrates through the wall of the left side shell of the main body 1 and is fixedly connected with the output end of a first motor 8; a first guide block 11 is fixedly arranged in the middle of the main body 1, an air cylinder 12 is fixedly arranged at the bottom end of the first guide block 11, a piston rod at the output end of the air cylinder 12 is fixedly connected with a pressing plate 13, second guide blocks 14 are fixedly arranged on the left side and the right side below the main body 1 respectively, and rotating plates 15 are hinged to the bottom ends of the second guide blocks 14 respectively; the material is entirely dropped onto the material 015 by the first guide block 11 and the second guide block 14, and the input material is sufficiently pulverized by the pulverization roller 10 and the pressure plate 13.

The bottom of second guide block 14 is fixed with second motor 16 respectively, the output fixedly connected with screw rod 17 of second motor 16, threaded sleeve is equipped with screw thread block 18 on the screw rod 17, it has connecting rod 19 to articulate between screw thread block 18 one side and the rotor plate 15 bottom side, the right-hand member bottom side of main part 1 is equipped with first output tube 20, first output tube 20 is established the top of filter-tank 2, be equipped with filtering mechanism in the filter-tank 2.

In this embodiment, the first guide block 11 is a triangular prism shape, which is convenient for guiding materials.

In this embodiment, the upper end of the feeding bin 4 is correspondingly provided with an upper sealing cover 5, so that foreign matters are prevented from entering the main body 1 in the treatment process.

In this embodiment, the first output pipe 20 is correspondingly provided with a sealing plug 22, and the discharging control is facilitated by the sealing plug 22.

The working principle of the embodiment is as follows: starting the first motor 8, feeding through the feeding bin 4, wherein the first motor 8 can drive the crushing roller 10 to rotate through a rotating shaft 9, the crushing roller 10 can crush input materials, the crushed materials are guided to fall on the upper end of the rotating plate 15 through the first guide block 11 and the second guide block 14, the cylinder 12 is started, the cylinder 12 drives the pressing plate 13 to move downwards, and the pressing plate 13 can press the crushed materials falling on the upper end of the rotating plate 15, so that liquid in the materials can be sufficiently pressed out; then the second motor 16 is further started, the second motor 16 can drive the screw rod 17 to rotate, and as the thread block 18 is sleeved on the screw rod 17 in a threaded manner, the screw rod 17 can drive the thread block 18 to move downwards, so that the screw rod 17 can further drive the rotating plate 15 to rotate downwards through the connecting rod 19, and therefore the juice and the material slag on the rotating plate 15 can simultaneously fall from the rotating plate 15 to the bottom of the inner side of the main body 1, and can be simultaneously output to the filter tank 2 through the first output pipe 20, and the juice and the material slag can be filtered through the filter tank 2, so that the required juice can be obtained; at this moment, the water pump 6 is started, the water in the water tank 3 can be input into the spray disk 7 through the input pipe and the output end of the water pump 6, and the water is sprayed out through the spray head of the spray disk 7, so that the inside of the main body 1 can be sufficiently washed, the residual material slag adhered on the rotating plate 15 in the main body 1 by pressing can be removed, and the next use is facilitated.

Example 2

Referring to fig. 1-2, the present embodiment is a further optimization based on embodiment 1, specifically, the filtering mechanism of the filtering tank 2 includes a filtering frame 23, the filtering frame 23 is slidably connected to the filtering tank 2, a first filtering plate 24 and a second filtering plate 25 are slidably connected to the filtering frame 23, the second filtering plate 25 is below the first filtering plate 24, filtering holes of the second filtering plate 25 are smaller than those of the first filtering plate 24, a second outlet pipe 26 is disposed on a bottom side wall of the filtering tank 2, and a sealing cover is correspondingly disposed on the second outlet pipe 26; the filtering mechanism is arranged to facilitate the later detection; when the filter frame 23 is removed from the filter tank 2, the first filter plates 24 and the second filter plates 25 are slidably removed from the filter frame 23, thereby facilitating cleaning of the first filter plates 24 and the second filter plates 25.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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

1. The sample pretreatment device for detecting the pesticide residues comprises a main body (1), a filter tank (2), a water tank (3) and a supporting seat (21), and is characterized in that the supporting seat (21) is fixedly arranged at the four corners of the bottom end of the main body (1), the water tank (3) is arranged on the left side and the right side of the upper end of the main body (1), the filter tank (2) is arranged at the output end of the right side of the main body (1), a feeding bin (4) is arranged at the upper end of the main body (1), spray trays (7) are respectively and obliquely arranged on the left side and the right side of the upper end of the inner side of the main body (1), a plurality of spray heads are arranged at the bottoms of the spray trays (7), the spray trays (7) are connected with the output end of a water pump (6) through output pipes, and the input; a crushing roller (10) is arranged at the upper part of the inner side of the main body (1), a rotating shaft (9) is fixedly inserted in the middle of the crushing roller (10), and the left end of the rotating shaft (9) is inserted through the left shell wall of the main body (1) and is fixedly connected with the output end of a first motor (8); the filter tank is characterized in that a first guide block (11) is fixedly arranged in the middle of the main body (1), an air cylinder (12) is fixedly arranged at the bottom end of the first guide block (11), a pressing plate (13) is fixedly connected to a piston rod of an output end of the air cylinder (12), second guide blocks (14) are fixedly arranged on the left side and the right side of the lower portion of the main body (1) respectively, a rotating plate (15) is hinged to the bottom end of each second guide block (14) respectively, a second motor (16) is fixedly arranged at the bottom end of each second guide block (14), a screw rod (17) is fixedly connected to the output end of each second motor (16), a thread block (18) is sleeved on each screw rod (17) in a threaded manner, a connecting rod (19) is hinged between one side of each thread block (18) and the bottom side of each rotating plate (15), a first output pipe (20) is arranged on the bottom side of the right end of, and a filtering mechanism is arranged in the filtering tank (2).

2. The pretreatment device for a sample for detecting pesticide residue according to claim 1, wherein the filter means of the filter tank (2) comprises a filter frame (23), the filter frame (23) is slidably engaged with the filter tank (2), the filter frame (23) is slidably engaged with a first filter plate (24) and a second filter plate (25), the second filter plate (25) is disposed below the first filter plate (24), the filter holes of the second filter plate (25) are smaller than those of the first filter plate (24), the wall of the bottom side of the filter tank (2) is provided with a second outlet pipe (26), and the second outlet pipe (26) is correspondingly provided with a sealing cover.

3. The pretreatment device for a sample for detection of agricultural chemical residue according to claim 1, wherein the first guide block (11) has a triangular prism shape.

4. The pretreatment device for the sample for the detection of pesticide residue according to claim 1, characterized in that an upper sealing cover (5) is correspondingly arranged at the upper end of the feeding bin (4).

5. The pretreatment device for a sample for detection of agricultural chemical residue according to any one of claims 1 to 4, wherein the first outlet pipe (20) is provided with a sealing plug (22) in correspondence thereto.