Pesticide residue screening device for food inspection and detection

Abstract

The utility model discloses a pesticide residue screening device for food inspection and detection, which belongs to the technical field of food detection and comprises a screening box, and a multi-stage screening mechanism is arranged in the screening box. The impurity removing and collecting assembly is arranged, after screening and discharging, small-particle fruits fall into a separation net box, then a driving motor is started, the driving motor operates to drive an eccentric wheel to rotate, the eccentric wheel can drive a pushing rod to move up and down in the rotating process, and the pushing rod can move up and down to drive a connecting rod to move in an opening; a connecting rod moves to drive a connecting spring to deform, the connecting rod moves to drive a separating net box to move up and down in a frame, in the moving process of the separating net box, falling of fruit minced meat and other impurities doped in small-particle fruits can be accelerated, and the fallen fruit minced meat and other impurities fall into a collecting box; small-particle fruits, minced fruit flesh and other impurities can be conveniently separated and collected, and the fruit screening effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to food detection technical field, concretely relates to a kind of food inspection detects pesticide residue screening device. BACKGROUND

[0002] Pesticide residue refers to the phenomenon that a part of pesticide is directly or indirectly remained in grain, vegetable, fruit, livestock product, aquatic product and soil and water after pesticide is applied in agricultural production.

[0003] Chinese patent application No.202121241914.9 discloses a kind of food inspection detects pesticide residue screening device, discloses a kind of food inspection detects pesticide residue screening device, including screening box, the top of screening box is provided with feeding port, the lower portion of feeding port is provided with screening frame, and screening frame is arranged in the form of bending, the four corners of screening frame are provided with movable hole, positioning rod is arranged in movable hole, and positioning rod is connected with the top wall of screening box, according to the different aperture of screening net, left screen net and right screen net, the fruit input by screening net can be preliminarily screened, the larger fruit is separated by screening net, and the fruit passing through screening net is collected by secondary screening cavity, and left screen net and right screen net can further screen the fruit in secondary screening cavity, so that the fruit is screened again, and the screened fruit is collected by tertiary screening cavity, and layer-by-layer screening can effectively ensure that the fruit in different size intervals is classified, to facilitate subsequent sampling detection of user.

[0004] After the fruit of small particles in the above-mentioned patent is screened and discharged, fruit flesh is easily mixed inside, which affects the subsequent inspection and detection effect; in addition, large particle fruits fall in the inside of screening frame, and the operator takes large particle fruits from the inside of screening frame slowly, thereby affecting the screening efficiency of fruits. UTILITY MODEL CONTENT

[0005] To solve the problems proposed in the above background art, the utility model provides a kind of food inspection detects pesticide residue screening device, with the characteristics of impurity removal collection and material receiving.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of food inspection detects pesticide residue screening device, including screening box, the inside of screening box is provided with multistage screening mechanism, and the upper end of multistage screening mechanism is provided with material receiving assembly in the inside of screening box, and the lower portion of screening box is provided with impurity removal collection assembly on both sides.

[0007] Preferably, the impurity removal collection assembly includes a frame, a separation net box and a driving member, the lower portion of the screening box is connected with the frame, the inside of the frame is provided with the separation net box, and the driving member is arranged between the frame and the separation net box.

[0008] Preferably, the driving member comprises a push rod, an external box, a driving motor, an eccentric wheel, a connecting spring, an opening and a connecting rod, the connecting rod is connected to the side wall of the separation net box, the opening is arranged on the frame and corresponds to the position of the connecting rod, the external box is connected to the outer side wall of the frame, the connecting spring is connected between the external box and the connecting rod, one end of the connecting rod is connected with the push rod, the driving motor is connected to the inner side wall of the external box, and the output end of the driving motor is connected with the eccentric wheel.

[0009] Preferably, the impurity removing and collecting assembly further comprises a collecting box and a plug-in port, the plug-in port is arranged on the frame and below the separation net box, and the collecting box is plugged into the plug-in port.

[0010] Preferably, the material receiving assembly comprises a receiving box and a top block, the receiving box is arranged inside the screening box and above both ends of the multi-stage screening mechanism, the top block is connected above the receiving box, and the pull rod is connected to the side wall of the top block.

[0011] Preferably, the material receiving assembly further comprises a plug-in slot, a side block, a moving slot, a return spring and a plug-in rod, the moving slot is arranged inside the screening box, the plug-in rod is plugged into the moving slot, the side block is connected to both sides of the plug-in rod, the return spring is connected between the side block and the moving slot, and the plug-in slot is arranged on the top block and corresponds to the position of the plug-in rod.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1、The utility model discloses a removing and collecting assembly is arranged, after screening discharging, small granular fruits fall into the separation net box, and then the driving motor is started, the driving motor runs and drives the eccentric wheel to rotate, the eccentric wheel can drive the push rod to move up and down in the process of rotating, the push rod can drive the connecting rod to move in the opening in the process of moving up and down, the connecting rod can drive the connecting spring to deform in the process of moving, the connecting rod can drive the separation net box to move up and down in the frame in the process of moving, the separation net box can accelerate the fruit flesh and other impurities mixed in the small granular fruits to fall off in the process of moving, the fruit flesh and other impurities falling off fall into the collecting box, small granular fruits and fruit flesh and other impurities are conveniently separated and collected, and the fruit screening effect is guaranteed.

[0014] 2. This utility model is equipped with a receiving component. The upward movement of the insertion rod causes the side block to move inside the moving groove. The movement of the side block compresses the return spring, and then the receiving box is moved and placed at both ends above the multi-stage screening mechanism. Then the insertion rod is released, the return spring loses its external force and returns to its original state, causing the side block to move. The movement of the side block causes the insertion rod to move and insert into the insertion groove. The insertion rod can be used to insert and fix the top block, thereby limiting and fixing the receiving box to ensure the stability of the receiving box. After the fruit is screened by the multi-stage screening mechanism, large fruit particles fall into the receiving box, making it easy for operators to use the receiving box to remove large fruit particles from the screening box, thus facilitating operation. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 This is a cross-sectional view of the present invention;

[0017] Figure 3 This utility model Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 This utility model Figure 2 Enlarged view of point B in the middle;

[0019] Figure 5 This is a cross-sectional view of the frame and the separation mesh box of this utility model in connection.

[0020] Figure 6 This utility model Figure 5 A cross-sectional view along the CC direction;

[0021] Figure 7 This utility model Figure 6 Enlarged view of point D in the middle.

[0022] In the diagram: 1. Screening box; 2. Multi-stage screening mechanism; 3. Impurity removal and collection assembly; 31. Frame; 32. Separation mesh box; 33. Collection box; 34. Insertion interface; 35. Drive component; 351. Push rod; 352. External box; 353. Drive motor; 354. Eccentric wheel; 355. Connecting spring; 356. Opening; 357. Connecting rod; 4. Receiving assembly; 41. Receiving box; 42. Insertion slot; 43. Top block; 44. Side block; 45. Moving slot; 46. Return spring; 47. Insertion rod. Detailed Implementation

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts are within the scope of the present application.

[0024] Embodiment 1

[0025] Please refer to Figures 1-7 The utility model provides the following technical scheme: a food inspection detects pesticide residue screening device, including screening box 1, the inside of screening box 1 is provided with multistage screening mechanism 2, the inside of screening box 1 and located multistage screening mechanism 2's top two ends all are provided with material receiving subassembly 4, the both sides below screening box 1 all are provided with impurity removal collection subassembly 3.

[0026] Specifically, the impurity removal collection subassembly 3 includes a frame 31, a separation net box 32 and a driving member 35, the both sides below the screening box 1 are connected with the frame 31, the inside of the frame 31 is provided with the separation net box 32, and the driving member 35 is arranged between the frame 31 and the separation net box 32.

[0027] By adopting the above technical scheme, after the fruit is screened by the multistage screening mechanism 2, the small-particle fruit falls into the separation net box 32, and then the driving member 35 drives the separation net box 32 to move up and down in the frame 31, so that the fruit flesh and other impurities mixed in the small-particle fruit can be accelerated to fall off during the movement of the separation net box 32, and the small-particle fruit can be conveniently separated and collected.

[0028] Specifically, the driving member 35 includes a push rod 351, an external box 352, a driving motor 353, an eccentric wheel 354, a connecting spring 355, an opening 356 and a connecting rod 357, the connecting rod 357 is connected to the sidewall of the separation net box 32, the opening 356 is arranged on the frame 31 and corresponds to the position of the connecting rod 357, the external box 352 is connected to the outer sidewall of the frame 31, the connecting spring 355 is connected between the external box 352 and the connecting rod 357, one end of the connecting rod 357 is connected with the push rod 351, the driving motor 353 is connected to the inner sidewall of the external box 352, and the output end of the driving motor 353 is connected with the eccentric wheel 354.

[0029] By adopting the technical scheme, the driving motor 353 is started, the driving motor 353 is driven to rotate the eccentric wheel 354, the eccentric wheel 354 can drive the push rod 351 to move up and down in the rotating process, the push rod 351 can drive the connecting rod 357 to move in the opening 356 in the up and down movement, the connecting rod 357 can drive the connecting spring 355 to deform in the movement, and the connecting rod 357 can drive the separation net box 32 to move up and down in the frame 31.

[0030] Specifically, the impurity collecting assembly 3 further includes a collecting box 33 and a plug-in port 34, the plug-in port 34 is arranged on the frame 31 and below the separation net box 32, and the collecting box 33 is plugged into the plug-in port 34.

[0031] By adopting the technical scheme, the collecting box 33 is plugged into the frame 31 through the plug-in port 34, and the subsequent fallen fruits and other impurities can be collected in the collecting box 33, which is convenient for the operator to handle the fallen fruits and other impurities.

[0032] In use, in the food production process, when the fruit to be tested for pesticide residues needs to be screened, the fruit is injected into the screening box 1, and then the multi-stage screening mechanism 2 is used to screen the fruit. After screening, the large, medium and small particle fruits are discharged respectively, the small particle fruit is dropped into the separation net box 32, the driving motor 353 is started, the driving motor 353 is driven to rotate the eccentric wheel 354, the eccentric wheel 354 can drive the push rod 351 to move up and down in the rotating process, the push rod 351 can drive the connecting rod 357 to move in the opening 356 in the up and down movement, the connecting rod 357 can drive the connecting spring 355 to deform in the movement, and the connecting rod 357 can drive the separation net box 32 to move up and down in the frame 31. In the movement of the separation net box 32, the fruit fragments and other impurities mixed in the small particle fruit can be accelerated to fall, the fallen fruit fragments and other impurities fall into the collecting box 33, the small particle fruit and the fruit fragments and other impurities are separated and collected, and the fruit screening effect is ensured.

[0033] Embodiment 2

[0034] The difference between the embodiment and the embodiment 1 is that the material receiving assembly 4 includes a material receiving box 41 and a top block 43, the material receiving box 41 is arranged on the inside of the screening box 1 and above both ends of the multi-stage screening mechanism 2, the top block 43 is connected above the material receiving box 41, and the pull rod is connected to the side wall of the top block 43.

[0035] Specifically, the receiving assembly 4 further comprises a plug-in slot 42, a side block 44, a moving slot 45, a reset spring 46 and a plug-in rod 47, the inside of the screening box 1 is provided with the moving slot 45, the inside of the moving slot 45 is plugged with the plug-in rod 47, the two sides of the plug-in rod 47 are both connected with the side block 44, the reset spring 46 is connected between the side block 44 and the moving slot 45, the plug-in slot 42 is arranged at the position of the top block 43 and corresponds to the plug-in rod 47,

[0036] By adopting the above technical scheme, the plug-in rod 47 is moved upward, the plug-in rod 47 moves upward to drive the side block 44 to move in the moving slot 45, the side block 44 moves to press the reset spring 46, then the receiving box 41 is moved and placed above the two ends of the multi-stage screening mechanism 2, then the plug-in rod 47 is loosened, the reset spring 46 loses the external force action and restores the original appearance, drives the side block 44 to move, the side block 44 moves to drive the plug-in rod 47 to move and plug into the plug-in slot 42, the plug-in rod 47 can be used to plug and fix the top block 43, and then the receiving box 41 can be limited and fixed, so as to ensure the stability of the receiving box 41.

[0037] When the embodiment is used, the plug-in rod 47 is moved upward, the plug-in rod 47 moves upward to drive the side block 44 to move in the moving slot 45, the side block 44 moves to press the reset spring 46, then the receiving box 41 is moved and placed above the two ends of the multi-stage screening mechanism 2, then the plug-in rod 47 is loosened, the reset spring 46 loses the external force action and restores the original appearance, drives the side block 44 to move, the side block 44 moves to drive the plug-in rod 47 to move and plug into the plug-in slot 42, the plug-in rod 47 can be used to plug and fix the top block 43, and then the receiving box 41 can be limited and fixed, so as to ensure the stability of the receiving box 41.

[0038] The structure and principle of the multistage screening mechanism 2 composed of a first-stage discharge port, a second-stage discharge port, a first-stage screening cavity, a second-stage screening cavity, a third-stage screening cavity, a screening frame, a movable hole, a screening net, a positioning rod, a right screening net, a left screening net, a fixed plate, a compression spring, a material guiding prism and a discharge plate have been disclosed in a food inspection and detection pesticide residue screening device with Chinese patent application number 202121241914.9, and the working principle is as follows: The inside of the screening box 1 is provided with a screening frame, and the screening frame is provided in an obtuse angle shape, the four corners of the screening frame are provided with movable holes, the movable holes are provided with positioning rods, the positioning rods are in sliding fit with the movable holes, the positioning rods are connected with the top wall of the screening box 1, the screening frame is provided with a screening net, the upper side of the screening net is provided with a first-stage screening cavity, the lower side of the screening net is provided with a left screening net and a right screening net, the right screening net and the left screening net are provided in an opposite manner, the left screening net and the right screening net are provided in an obtuse angle shape, the aperture of the left screening net and the right screening net is smaller than that of the screening net, adjacent edges of the left screening net and the right screening net are connected with a fixed plate, the fixed plate is provided with a compression spring between the fixed plate and the screening net, the right screening net and the left screening net are connected with the outer wall of the screening box 1, the right screening net and the left screening net are provided with a second-stage screening cavity, the box wall of the second-stage screening cavity is provided with a first-stage discharge port, the outer wall edge of the first-stage discharge port is provided with a discharge plate, the lower side of the right screening net and the left screening net is provided with a third-stage screening cavity, the box wall of the third-stage screening cavity is provided with a second-stage discharge port, the bottom wall of the third-stage screening cavity is provided with a material guiding prism, in use, fruits are put into the inside of the screening box 1 and fall onto the screening net, impact the screening net to make the compression spring elastically jump, thereby driving the screening net to shake, so that the separated larger fruits are collected from the edge of the screening frame, the fruits passing through the screening net are collected in the second-stage screening cavity, and the left screening net and the right screening net can further screen the fruits in the second-stage screening cavity, the screened fruits are discharged from the first-stage discharge port, thereby re-screening the fruits, and the screened fruits are collected in the third-stage screening cavity, and the screened fruits are discharged from the second-stage discharge port under the action of the material guiding prism, layer-by-layer screening can effectively ensure the classification of fruits in different size intervals until the whole work is completed.

[0039] The working principle and use process of the utility model: the utility model inserts the connecting rod 47, and the edge block 44 is moved in the mobile groove 45 under the driving of the connecting rod 47, the edge block 44 extrudes the reset spring 46, then the material receiving box 41 is moved and placed to the upper two ends of the multistage screening mechanism 2, then the connecting rod 47 is loosened, the reset spring 46 loses the external force effect and restores the original appearance, drives the edge block 44 to move, the edge block 44 moves and drives the connecting rod 47 to move and insert into the insertion slot 42, the connecting rod 47 can be used to insert and fix the top block 43, and then the material receiving box 41 can be limited and fixed, guarantee the stability of the material receiving box 41, in the food production process, when the fruit to be inspected and detected for pesticide residues needs to be screened, the fruit is injected into the screening box 1, then the multistage screening mechanism 2 is used to screen the fruit, after screening, the large-granularity fruit, the medium-granularity fruit and the small-granularity fruit are discharged respectively, the small-granularity fruit is discharged and falls into the separation net box 32, then the driving motor 353 is started, the driving motor 353 drives the eccentric wheel 354 to rotate, the eccentric wheel 354 can drive the push rod 351 to move up and down during the rotation, the push rod 351 can drive the connecting rod 357 to move in the opening 356, the connecting rod 357 can drive the connecting spring 355 to deform, the connecting rod 357 can drive the separation net box 32 to move up and down in the frame 31, during the movement of the separation net box 32, the fruit meat and other impurities mixed in the small-granularity fruit can fall off, the fruit meat and other impurities fall into the collection box 33, the small-granularity fruit and the fruit meat and other impurities are separated and collected, the screening effect of the fruit is guaranteed, the large-granularity fruit falls into the material receiving box 41, the operator can take out the large-granularity fruit in the screening box 1 using the material receiving box 41, and the operator is convenient to operate.

[0040] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A screening device for detecting pesticide residues in food inspection, comprising a screening box (1), the inside of the screening box (1) is provided with a multi-stage screening mechanism (2), characterized in that: The inside of the screening box (1) is provided with a material receiving assembly (4) at both ends above the multi-stage screening mechanism (2), and the lower sides of the screening box (1) are provided with impurity removing and collecting assemblies (3).

2. A device for screening of pesticide residues in food inspection as claimed in claim 1 wherein: The impurity removing and collecting assembly (3) comprises a frame (31), a separation net box (32) and a driving member (35), the lower sides of the screening box (1) are connected with the frame (31), the inside of the frame (31) is provided with the separation net box (32), and the frame (31) and the separation net box (32) are provided with the driving member (35) therebetween.

3. A device for screening of pesticide residues in food inspection as claimed in claim 2, wherein: The driving member (35) comprises a pushing rod (351), an external connecting box (352), a driving motor (353), an eccentric wheel (354), a connecting spring (355), an opening (356) and a connecting rod (357), the side wall of the separation net box (32) is connected with the connecting rod (357), the frame (31) is provided with the opening (356) at a position corresponding to the connecting rod (357), the outer side wall of the frame (31) is connected with the external connecting box (352), the connecting spring (355) is connected between the external connecting box (352) and the connecting rod (357), one end of the connecting rod (357) is connected with the pushing rod (351), the inner side wall of the external connecting box (352) is connected with the driving motor (353), and the output end of the driving motor (353) is connected with the eccentric wheel (354).

4. The device for screening of pesticide residues in food inspection as claimed in claim 2, wherein: The impurity removing and collecting assembly (3) further comprises a collecting box (33) and a plug-in port (34), the plug-in port (34) is arranged on the frame (31) below the separation net box (32), and the inside of the plug-in port (34) is plugged with the collecting box (33).

5. The device for screening of pesticide residues in food inspection as claimed in claim 1 wherein: The material receiving assembly (4) comprises a material receiving box (41) and a top block (43), the inside of the screening box (1) is provided with the material receiving box (41) at both ends above the multi-stage screening mechanism (2), and the upper side of the material receiving box (41) is connected with the top block (43), and the side wall of the top block (43) is connected with a pull rod.

6. A device for screening of pesticide residues in food inspection as claimed in claim 5 wherein: The material receiving assembly (4) further comprises a plug-in groove (42), a side block (44), a moving groove (45), a reset spring (46) and a plug-in rod (47), the inside of the screening box (1) is provided with the moving groove (45), the inside of the moving groove (45) is plugged with the plug-in rod (47), the two sides of the plug-in rod (47) are connected with the side block (44), the reset spring (46) is connected between the side block (44) and the moving groove (45), and the plug-in groove (42) is arranged on the top block (43) at a position corresponding to the plug-in rod (47).

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