CN116242691B

CN116242691B - Vegetable prefabricated vegetable raw material pesticide residue detection device

Info

Publication number: CN116242691B
Application number: CN202310533524.6A
Authority: CN
Inventors: 任志明; 林容芳; 陈妙仪
Original assignee: Guangdong Academy Of Sciences Jiangmen Industrial Technology Research Institute Co ltd
Current assignee: Guangdong Yiming Agricultural Technology Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-07-11
Anticipated expiration: 2043-05-12
Also published as: CN116242691A

Abstract

The invention discloses a pesticide residue detection device for vegetable prefabricated vegetable raw materials, which is characterized in that a cleaning mechanism is arranged in a cleaning cavity, a conveying belt is transversely and fixedly arranged in the cleaning cavity, a mounting base is fixedly arranged on the conveying belt, a U-shaped support is hinged to one side of the mounting base, a fixed end of a hydraulic cylinder is hinged to the mounting base, an output end of the hydraulic cylinder is hinged to the U-shaped support, a sliding block is connected in a sliding manner, a first motor is fixedly arranged on the U-shaped support, a screw rod is fixedly arranged at a power output end of the first motor, a second motor is fixedly arranged on the sliding block, a mounting frame is arranged on the inner side of the U-shaped support, the mounting frame is fixedly arranged on a power output shaft of the second motor, a first screen is fixedly arranged on the inner side of the mounting frame, a second screen is hinged to the first screen, a heater is fixedly arranged at the bottom of the cleaning cavity, and a detection mechanism is arranged in the detection cavity. The heater is used for heating deionized water, so that the dissolution of pesticide residues on vegetables can be accelerated, the surfaces of the vegetables cannot be damaged, and the quality of the vegetables is ensured.

Description

Vegetable prefabricated vegetable raw material pesticide residue detection device

Technical Field

The invention relates to the technical field of vegetable pesticide detection, in particular to a vegetable prefabricated vegetable raw material pesticide residue detection device.

Background

The problem of pesticide residue is generated with mass production and wide use of pesticides. These pesticides are applied in large quantities, which causes serious pesticide pollution problems and forms a serious threat to human health.

In the prior art, as disclosed in chinese patent publication No. CN112345328A, a device for detecting pesticide residue on fruits and vegetables and a method for using the same are disclosed, which can clean fruits and vegetables in a fruit and vegetable cleaning box well by rotating a cleaning rod around the center of a rotating disc, and the cleaning rod can be rotated by itself to make the cleaning effect better, and can drive the cleaning rod to move up and down by forward rotation and reverse rotation of a motor, so that the up and down movement of a cleaning assembly is realized, the fruits and vegetables in the whole fruit and vegetable cleaning box are cleaned comprehensively, and the cleaning is uniform and the cleaning effect is good. However, the technical scheme has the following defects: because the root vegetables are generally fragile, the vegetables are easily broken in the rotation process of the cleaning rod, so that the loss of internal vitamins is caused, and the quality of the vegetables is influenced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the pesticide residue detection device for the vegetable prefabricated vegetable raw materials, which can accelerate the dissolution of vegetable pesticide residues without damaging the surfaces of vegetables by heating deionized water through a heater, thereby ensuring the quality of the vegetables.

To achieve the purpose, the invention adopts the following technical scheme:

the invention provides a vegetable prefabricated vegetable raw material pesticide residue detection device which comprises a shell, a cleaning mechanism and a detection mechanism, wherein a cleaning cavity is formed in the shell, the cleaning mechanism is arranged in the cleaning cavity, the cleaning mechanism comprises a conveying belt, a mounting base, a U-shaped support, a hydraulic cylinder, a sliding block, a first motor, a screw rod, a second motor, a mounting frame, a first screen, a second screen, a permanent magnet and a heater, the conveying belt is transversely and fixedly arranged in the cleaning cavity, one end of the conveying belt extends out of the shell, the mounting base is fixedly arranged on the conveying belt, the U-shaped support is hinged to one side of the mounting base, the fixed end of the hydraulic cylinder is hinged to the mounting base, the output end of the hydraulic cylinder is hinged to the U-shaped support, sliding grooves are formed in two sides of the U-shaped support, the sliding grooves are internally connected with the sliding block, the first motor is fixedly arranged on the U-shaped support, the screw rod is fixedly arranged at the power output end of the first motor, the screw rod is in threaded connection with the sliding block, the inner side of the U-shaped support is provided with the mounting frame, the mounting frame is fixedly arranged on the power output shaft of the second motor, the first screen is fixedly arranged on the mounting frame, the first screen is hinged to the inner side of the first screen is fixedly arranged, the first screen is hinged to the second screen is hinged to the upper end of the mounting frame, the output end is fixedly arranged on the second motor is hinged to the power output shaft, the first screen is fixedly arranged, the detection cavity is hinged to the first end is fixedly far away from the bottom cavity is fixedly arranged and the detection cavity is fixedly arranged at the bottom chamber.

In the preferred technical scheme of the invention, the cleaning mechanism further comprises a water storage tank, a water pump, a spray pipe and a spray head, wherein the water storage tank is fixedly arranged on one side of the shell, the water pump is fixedly arranged on the water storage tank, the spray pipe is fixedly arranged on the side wall of the cleaning cavity, one end of the spray pipe is connected with the water pump, and the spray head is fixedly arranged on the spray pipe.

In the preferred technical scheme of the invention, a shielding plate is obliquely arranged below the spray head, the upper end of the shielding plate is fixedly arranged on the side wall of the cleaning cavity, a sewage cabin is arranged below the shielding plate, the sewage cabin is fixedly arranged on the side wall of the cleaning cavity, and a drain pipe is fixedly arranged at the bottom of the sewage cabin.

In the preferred technical scheme of the invention, the cleaning mechanism further comprises a brushing assembly, the brushing assembly comprises an electric push rod, a lifting seat, a compression spring, a brush plate and a soft brush, the lifting seat is arranged on one side of the U-shaped support, the lifting seat is connected to the side wall of the cleaning cavity through the electric push rod, the brush plate is arranged on one side of the lifting seat and connected to the lifting seat through the compression spring, and the soft brush is fixedly arranged on the brush plate.

In the preferred technical scheme of the invention, an oscillator is fixedly arranged on the inner side of the brush plate.

In the preferred technical scheme of the invention, the detection mechanism comprises a decompression dryer, a burette, a pump body, a slide plate, a reagent cup and a pull ring, wherein the decompression dryer is fixedly arranged in the detection cavity, the top end of the decompression dryer is communicated with the bottom of the cleaning cavity, one side of the decompression dryer is connected with the burette, the pump body is fixedly arranged on the burette, the slide plate is arranged below the burette and is in sliding connection with the bottom of the detection cavity, the reagent cup is fixedly arranged on the slide plate, and the pull ring is also fixedly arranged on one side of the slide plate.

In the preferred technical scheme of the invention, the top of the detection cavity is also fixedly provided with a liquid storage tank, the bottom of the liquid storage tank is fixedly provided with a liquid outlet pipe, and the liquid outlet pipe is fixedly provided with an electric control valve.

In the preferred technical scheme of the invention, the bottom of the shell is fixedly provided with the travelling wheels.

The beneficial effects of the invention are as follows:

according to the vegetable prefabricated vegetable raw material pesticide residue detection device, the heater is used for heating deionized water, so that the dissolution of vegetable pesticide residues can be accelerated, the surfaces of vegetables cannot be damaged, and the quality of the vegetables is guaranteed; because pesticide is usually remained in soil, the spray head can wash away the soil remained at the root of vegetables, and the soil is prevented from falling into the cleaning cavity, so that deviation of a detection result is avoided; the brushing component can brush the vegetable surface, can play an auxiliary cleaning effect, so that pesticide residues are promoted to be desorbed from the vegetable surface, and the accuracy of a detection result is ensured.

Drawings

Fig. 1 is a schematic structural view of a pesticide residue detection device for vegetable prefabricated vegetable raw materials according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;

fig. 3 is a partial enlarged view at B in fig. 2.

In the figure:

1. a housing; 11. cleaning the cavity; 12. a detection chamber; 2. a cleaning mechanism; 201. a conveyor belt; 202. a mounting base; 203. a U-shaped bracket; 204. a hydraulic cylinder; 205. a chute; 206. a slide block; 207. a first motor; 208. a screw rod; 209. a second motor; 210. a mounting frame; 211. a first screen; 212. a second screen; 213. a permanent magnet; 214. a heater; 215. a water storage tank; 216. a water pump; 217. a shower pipe; 218. a spray head; 219. a shielding plate; 220. a sewage tank; 221. a blow-down pipe; 3. a brushing assembly; 31. an electric push rod; 32. a lifting seat; 33. a compression spring; 34. brushing a plate; 35. a soft brush; 36. an oscillator; 4. a detection mechanism; 401. a decompression dryer; 402. a burette; 403. a pump body; 404. a slide plate; 405. a reagent cup; 406. a pull ring; 407. a liquid storage tank; 408. a liquid outlet pipe; 409. an electric control valve; 5. and a walking wheel.

Detailed Description

The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in fig. 1-3, in the embodiment, there is provided a pesticide residue detection device for vegetable prefabricated vegetable raw materials, which comprises a housing 1, a cleaning mechanism 2 and a detection mechanism 4, wherein a cleaning cavity 11 is formed in the housing 1, the cleaning mechanism 2 is arranged in the cleaning cavity 11, the cleaning mechanism 2 comprises a conveying belt 201, a mounting base 202, a U-shaped bracket 203, a hydraulic cylinder 204, a sliding block 206, a first motor 207, a screw rod 208, a second motor 209, a mounting frame 210, a first screen 211, a second screen 212, a permanent magnet 213 and a heater 214, the conveying belt 201 is transversely fixed in the cleaning cavity 11, one end of the conveying belt 201 extends out of the housing 1, a mounting base 202 is fixed on the conveying belt 201, one side of the mounting base 202 is hinged with the U-shaped bracket 203, and the fixed end of the hydraulic cylinder 204 is hinged on the mounting base 202, the output end of the hydraulic cylinder 204 is hinged to the U-shaped support 203, sliding grooves 205 are formed in two sides of the U-shaped support 203, sliding blocks 206 are connected in the sliding grooves 205 in a sliding mode, a first motor 207 is fixedly arranged on the U-shaped support 203, a screw rod 208 is fixedly arranged at the power output end of the first motor 207, the screw rod 208 is in threaded connection with the sliding blocks 206, a second motor 209 is fixedly arranged on the sliding blocks 206, a mounting frame 210 is arranged on the inner side of the U-shaped support 203, the mounting frame 210 is fixedly arranged on the power output shaft of the second motor 209, a first screen 211 is fixedly arranged on the inner side of the mounting frame 210, a second screen 212 is hinged to the first screen 211, permanent magnets 213 are fixedly arranged at the ends, away from each other, of the first screen 211 and the second screen 212, a heater 214 is fixedly arranged at the bottom of the cleaning cavity 11, a detection cavity 12 is formed below the cleaning cavity 11, and a detection mechanism 4 is arranged in the detection cavity 12. In this embodiment, the top of the housing 1 is hinged with a cover plate, and the cleaning cavity 11 can be opened by rotating the cover plate, so that the cleaning cavity 11 can be cleaned conveniently. The cleaning mechanism 2 is used for cleaning off pesticide remained on the surfaces of vegetables, and is convenient to detect. Wherein, the horizontal groove that can supply conveyer belt 201 and mounting base 202 to pass through has been seted up to casing 1 one side, has still set firmly the backup pad on the casing 1, and conveyer belt 201 sets firmly in the backup pad, has still set firmly the motor in the backup pad for drive conveyer belt 201 rotates, thereby brings the vegetables raw materials into cleaning chamber 11. The U-shaped support 203 is arranged on one side of the conveying belt 201, one end of the U-shaped support 203 is fixed on the mounting base 202 through a hinge part, and the hydraulic cylinder 204 is arranged at the bottom of the mounting base 202 and used for driving the U-shaped support 203 to rotate so as to submerge vegetables in deionized water in the cleaning cavity 11, and therefore pesticide residues on the surfaces of the vegetables are removed. There are two slide grooves 205, and the slide grooves 205 are arranged along the length direction of the U-shaped bracket 203, and a slider 206 can slide in the slide grooves 205 to adjust the position of the mounting frame 210. The first motor 207 is provided with one, and the screw 208 is screwed with one of the sliders 206. The installation frame 210 is a rectangular frame, and the second screen 212 can be rotated, so that vegetables are clamped and fixed between the first screen 211 and the second screen 212, fall is prevented, and the first screen 211 and the second screen 212 are adsorbed and fixed by the permanent magnets 213, so that the operation is convenient. The heater 214 is used for heating the deionized water in the cleaning cavity 11 so as to accelerate pesticide desorption on the vegetable surface and improve the cleaning effect. The detecting mechanism 4 is used for detecting water in the cleaning cavity 11 to determine whether the pesticide residue on vegetables meets the standard. In addition, the second motor 209 can also drive the mounting frame 210 to rotate, so that the rotating water flow rubs against the vegetable surface to promote the desorption of the residual pesticide.

Specifically, the cleaning mechanism 2 further comprises a water storage tank 215, a water pump 216, a spray pipe 217 and a spray head 218, wherein the water storage tank 215 is fixedly arranged on one side of the shell 1, the water pump 216 is fixedly arranged on the water storage tank 215, the spray pipe 217 is fixedly arranged on the side wall of the cleaning cavity 11, one end of the spray pipe 217 is connected with the water pump 216, and the spray head 218 is fixedly arranged on the spray pipe 217. In this embodiment, the water storage tank 215 is filled with clean water, the shower pipe 217 is disposed above the mounting base 202, more than two nozzles 218 are uniformly fixed on the shower pipe 217, and the nozzles 218 are disposed vertically downward to align with the vegetable roots. Because the root of the vegetable is usually adhered with soil, and more pesticide can remain in the soil, the shower nozzle 218 is arranged for flushing the soil of the root of the vegetable, so that the soil is prevented from falling into the deionized water in the cleaning cavity 11, and the detection result is prevented from being influenced.

Specifically, a shielding plate 219 is obliquely arranged below the nozzle 218, the upper end of the shielding plate 219 is fixedly arranged on the side wall of the cleaning cavity 11, a sewage cabin 220 is arranged below the shielding plate 219, the sewage cabin 220 is fixedly arranged on the side wall of the cleaning cavity 11, and a sewage drain pipe 221 is fixedly arranged at the bottom of the sewage cabin 220. In this embodiment, the shielding plate 219 is disposed obliquely downward to prevent the shower head 218 from flushing the leaf portion to affect the detection result. The sewage cabin 220 is used for collecting the washed sewage and re-flows back to the water storage tank 215 through the sewage drain pipe 221, and a filter screen is further arranged in the water storage tank 215, so that the sewage can be filtered and recycled conveniently. In addition, a passage for the U-shaped bracket 203 to pass through is reserved between the shielding plate 219 and the sewage tank 220.

Specifically, the cleaning mechanism 2 further comprises a brushing assembly 3, the brushing assembly 3 comprises an electric push rod 31, a lifting seat 32, a compression spring 33, a brush plate 34 and a soft brush 35, the lifting seat 32 is arranged on one side of the U-shaped support 203, the lifting seat 32 is connected to the side wall of the cleaning cavity 11 through the electric push rod 31, the brush plate 34 is arranged on one side of the lifting seat 32, the brush plate 34 is connected to the lifting seat 32 through the compression spring 33, and the soft brush 35 is fixedly arranged on the brush plate 34. In this embodiment, the brushing assembly 3 is used for brushing the vegetable surface to accelerate the desorption of the pesticide. Wherein, electric putter 31 transversely sets up in wasing the intracavity 11, and electric putter 31 is scalable structure, can drive elevating socket 32 and transversely move in wasing the intracavity 11. The brush plate 34 is disposed on one side of the lifting seat 32 near the U-shaped bracket 203, and the compression spring 33 can press the brush plate 34 against the surface of the first screen 211 or the second screen 212. The soft brush 35 is preferably a pig brush, and the pig brush has the advantages of strong toughness, difficult fracture, moisture resistance, high temperature resistance and no influence of cold and heat, and can prevent damage to the surface of vegetables, and through the soft brush 35, the pesticide residue on the surface of vegetables can be brushed off, so that the cleaning effect is improved. In addition, the meshes of the first screen 211 and the second screen 212 should be set to be large so that the fur brush 35 can contact the vegetable surface.

Specifically, an oscillator 36 is fixedly disposed inside the brush plate 34. In this embodiment, by providing the oscillator 36, on one hand, the brush plate 34 can be driven to vibrate to improve the cleaning effect of the soft brush 35, and on the other hand, the deionized water in the cleaning cavity 11 can be driven to vibrate to achieve the vibration cleaning effect.

Specifically, detection mechanism 4 includes decompression desicator 401, buret 402, pump body 403, slide 404, reagent cup 405 and pull ring 406, has set firmly decompression desicator 401 in the detection chamber 12, and decompression desicator 401 top and the intercommunication of wasing chamber 11 bottom, and decompression desicator 401 one side is connected with buret 402, has set firmly pump body 403 on the buret 402, and buret 402 below is provided with slide 404, and slide 404 sliding connection in detection chamber 12 bottom, has set firmly reagent cup 405 on the slide 404, and slide 404 one side has still set firmly pull ring 406. In this embodiment, because the concentration of the pesticide component in deionized water is generally low, errors easily occur in the detection process, and by setting the decompression dryer 401, part of the water can be evaporated to improve the concentration of the pesticide component, which is helpful for improving the detection accuracy. The burette 402 is disposed above the reagent cup 405, and can drop the concentrated solution into the reagent cup 405 to perform detection. The slide plate 404 is an L-shaped plate, the reagent cup 405 is detachably fixed on the slide plate 404, and the slide plate 404 can be pulled out of the detection cavity 12 by pulling the pull ring 406, so that the reaction condition of pesticide components and enzyme reagents in the reagent cup 405 can be conveniently observed.

Specifically, the top of the detection cavity 12 is further fixedly provided with a liquid storage tank 407, the bottom of the liquid storage tank 407 is fixedly provided with a liquid outlet pipe 408, and the liquid outlet pipe 408 is fixedly provided with an electric control valve 409. In this embodiment, the liquid storage tank 407 is filled with an enzyme reagent for detection, and the liquid outlet pipe 408 is located above the reagent cup 405, and the electric control valve 409 can control the on-off of the liquid outlet pipe 408, so that the enzyme reagent can be conveniently added into the reagent cup 405. The reagent cups 405 are provided in plurality, and each of the reagent cups 405 has a different enzyme reagent placed therein to detect different pesticide components.

Specifically, walking wheels 5 are fixedly arranged at the bottom of the shell 1. In this embodiment, the traveling wheels 5 are provided to facilitate the movement of the device.

Working principle: in use, the U-shaped bracket 203 and the mounting frame 210 are rotated to the horizontal position, the second screen 212 is rotated to separate the second screen 212 from the first screen 211, the second screen 212 is rotated again after vegetables are placed on the first screen 211 in order, the two permanent magnets 213 are adsorbed to each other, so that the vegetables are fixed between the first screen 211 and the second screen 212, then the conveyor belt 201 is started, the conveyor belt 201 drives the vegetables to enter the cleaning cavity 11, when the mounting frame 210 moves below the shielding plate 219, the first motor 207 is started, the first motor 207 drives the slider 206 to transversely move so that the roots of the vegetables are positioned right above the sewage tank 220, then the water pump 216 is started, clean water is sprayed out from the spray head 218 to wash out soil at the roots of the vegetables, after washing is finished, the first motor 207 drives the slider 206 to reset, then the conveyor belt 201 continues to rotate, the vegetables are driven to move to one side of the sewage cabin 220, the hydraulic cylinder 204 is started at the moment, the hydraulic cylinder 204 drives the U-shaped bracket 203 to rotate from a horizontal state to a vertical state, meanwhile, the first motor 207 is started to drive the sliding block 206 to move, the installation frame 210 is completely immersed in deionized water in the cleaning cavity 11, the heater 214 is started to heat the deionized water, then the electric push rod 31 stretches to drive the brush plate 34 to abut against the surface of the second screen 212, at the moment, the first motor 207 drives the installation frame 210 to move up and down, so that the soft brush 35 can brush the surfaces of the vegetables, and after one surface of the vegetables is brushed, the second motor 209 is controlled to start, the second motor 209 drives the installation frame 210 to rotate 180 degrees, the other surface of the vegetables can be brushed, meanwhile, the oscillator 36 can drive the brush plate 34 to vibrate, and the deionized water synchronously generates vibration, thereby improving the pesticide removal effect.

After the cleaning is completed, the deionized water in the cleaning cavity 11 is discharged into the decompression dryer 401 to concentrate the solution, and then the concentrated solution is dripped into the reagent cup 405 through the burette 402 by the pump body 403, so that the solution acts with the enzyme reagent, the pesticide residue condition is obtained, and the detection result is more accurate.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The invention is not to be limited by the specific embodiments disclosed herein, and other embodiments are within the scope of the invention as defined by the claims of the present application.

Claims

1. A vegetable prefabricated vegetable raw material pesticide residue detection device which is characterized in that: comprises a shell (1), a cleaning mechanism (2) and a detection mechanism (4), wherein a cleaning cavity (11) is formed in the shell (1), the cleaning mechanism (2) is arranged in the cleaning cavity (11), the cleaning mechanism (2) comprises a conveying belt (201), a mounting base (202), a U-shaped bracket (203), a hydraulic cylinder (204), a sliding block (206), a first motor (207), a screw rod (208), a second motor (209), a mounting frame (210), a first screen (211), a second screen (212), a permanent magnet (213) and a heater (214), the conveying belt (201) is transversely fixedly arranged in the cleaning cavity (11), one end of the conveying belt (201) extends out of the shell (1), a mounting base (202) is fixedly arranged on the conveying belt (201), one side of the mounting base (202) is hinged with a U-shaped bracket (203), the fixed end of the hydraulic cylinder (204) is hinged on the mounting base (202), two sides of the U-shaped bracket (203) are provided with sliding grooves (205), the sliding grooves (205) are internally connected with the sliding block (206), the first motor (207) is fixedly arranged on the first U-shaped bracket (203), the first motor (208) is fixedly arranged on the first power output end of the screw rod (207), and lead screw (208) and slider (206) threaded connection have set firmly second motor (209) on slider (206), U type support (203) inboard is provided with mounting frame (210), and mounting frame (210) set firmly on the power take off shaft of second motor (209), mounting frame (210) inboard has set firmly first screen cloth (211), it has second screen cloth (212) to articulate on first screen cloth (211), and the one end that first screen cloth (211) and second screen cloth (212) kept away from each other has all set firmly permanent magnet (213), wash chamber (11) bottom and has set firmly heater (214), wash chamber (11) below and seted up detection chamber (12), be provided with detection mechanism (4) in detection chamber (12).

2. The vegetable-based pre-made vegetable raw material pesticide residue detection device as set forth in claim 1, wherein: the cleaning mechanism (2) further comprises a water storage tank (215), a water pump (216), a spray pipe (217) and a spray head (218), wherein the water storage tank (215) is fixedly arranged on one side of the shell (1), the water pump (216) is fixedly arranged on the water storage tank (215), the spray pipe (217) is fixedly arranged on the side wall of the cleaning cavity (11), one end of the spray pipe (217) is connected with the water pump (216), and the spray head (218) is fixedly arranged on the spray pipe (217).

3. The vegetable-based pre-made vegetable raw material pesticide residue detection device as set forth in claim 2, wherein: the shower nozzle (218) below still inclines to be provided with shielding plate (219), and shielding plate (219) upper end sets firmly on wasing chamber (11) lateral wall, shielding plate (219) below is provided with sewage cabin (220), and sewage cabin (220) set firmly on wasing chamber (11) lateral wall, sewage cabin (220) bottom has set firmly blow off pipe (221).

4. A vegetable-based pre-made vegetable raw material pesticide residue detection device as set forth in claim 3, wherein: the cleaning mechanism (2) further comprises a brushing assembly (3), the brushing assembly (3) comprises an electric push rod (31), a lifting seat (32), a compression spring (33), a brush plate (34) and a soft brush (35), the lifting seat (32) is arranged on one side of the U-shaped support (203), the lifting seat (32) is connected to the side wall of the cleaning cavity (11) through the electric push rod (31), the brush plate (34) is arranged on one side of the lifting seat (32), the brush plate (34) is connected to the lifting seat (32) through the compression spring (33), and the soft brush (35) is fixedly arranged on the brush plate (34).

5. The vegetable-based pre-made vegetable raw material pesticide residue detection device as set forth in claim 4, wherein: an oscillator (36) is fixedly arranged on the inner side of the brush plate (34).

6. The vegetable-based pre-made vegetable raw material pesticide residue detection device as set forth in claim 1, wherein: detection mechanism (4) are including decompression desicator (401), buret (402), pump body (403), slide (404), reagent cup (405) and pull ring (406), detection chamber (12) internal set firmly decompression desicator (401), and decompression desicator (401) top with wash chamber (11) bottom intercommunication, decompression desicator (401) one side is connected with buret (402), has set firmly pump body (403) on buret (402), buret (402) below is provided with slide (404), and slide (404) sliding connection in detection chamber (12) bottom, has set firmly reagent cup (405) on slide (404), and slide (404) one side has still set firmly pull ring (406).

7. The vegetable-based pre-made vegetable raw material pesticide residue detection device as set forth in claim 6, wherein: the top of the detection cavity (12) is fixedly provided with a liquid storage tank (407), the bottom of the liquid storage tank (407) is fixedly provided with a liquid outlet pipe (408), and the liquid outlet pipe (408) is fixedly provided with an electric control valve (409).

8. The vegetable-based pre-made vegetable raw material pesticide residue detection device as set forth in claim 1, wherein: the bottom of the shell (1) is fixedly provided with a travelling wheel (5).