Sample collecting and screening device

Abstract

The utility model discloses a sample collecting and screening device and relates to the technical field of sample collecting and screening. The device comprises a bottom plate, supporting plates which are symmetrically distributed are fixedly installed at the top end of the bottom plate, a fixing plate is fixedly installed on the opposite sides of the two supporting plates together, a filtering plate is arranged at the top end of the fixing plate, a rotating shaft rotationally penetrates through one side of the fixing plate, a cam is fixedly arranged at the top of the rotating shaft in a sleeving mode, and the cam is fixedly connected with the rotating shaft. The cam and the filter plate are used in cooperation, empty grooves are formed in the opposite sides of the two supporting plates, symmetrically-distributed fixing blocks are fixedly installed on the two sides, close to the empty grooves, of the filter plate, the fixing blocks are movably clamped in the empty grooves, and stabilizing rods are fixedly installed in the empty grooves. The multiple collecting boxes can be driven to rotate by rotating the square plate, so that the multiple collecting boxes can collect multiple samples, meanwhile, the machine does not need to be stopped, and the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sample collection and screening, in particular to a sample collection and screening device. Background Art

[0002] Food microbiological testing is an essential and important part of food quality management and one of the important indicators for measuring food hygiene quality. Microbiological testing is carried out by collecting food samples to provide an evaluation basis for the food processing environment, food hygiene conditions, and the degree of food contamination by bacteria:

[0003] In the prior art, samples need to be screened out to identify qualified and unqualified samples during collection, and multiple samples need to be screened out to increase the accuracy of detection. Traditional screening devices need to stop the machine and replace the collection box after screening a single sample, which is cumbersome to operate and reduces the efficiency of screening. Utility Model Content

[0004] In order to solve the problem that the traditional screening device needs to stop the machine and replace the collection box after screening a single sample, the purpose of the utility model is to provide a sample collection and screening device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions: a sample collection and screening device, comprising a bottom plate, a symmetrically distributed support plate is fixedly installed on the top of the bottom plate, a fixed plate is fixedly installed on the opposite sides of the two support plates, a filter plate is arranged on the top of the fixed plate, a rotating shaft is rotatably penetrated on one side of the fixed plate, a cam is fixedly sleeved on the top of the rotating shaft, the cam and the filter plate are used in cooperation, empty slots are opened on the opposite sides of the two support plates, symmetrically distributed fixed blocks are fixedly installed on both sides of the filter plate close to the empty slots, the fixed blocks are movably clamped in the empty slots, a stabilizing rod is fixedly installed in the empty slots, the stabilizing rod penetrates the fixed block, and a spring is fixedly installed on one side of the inner wall of the empty slots;

[0006] The other end of the spring is fixedly connected to one of the fixed blocks, and a collecting plate is arranged under the fixing plate, and the collecting plate, fixing plate and filtering plate are all distributed in an inclined state, and the collecting plate is fixedly connected, and a blocking plate is arranged on the side of the fixing plate and the top of the collecting plate away from the rotating shaft, and the two blocking plates are diagonally distributed, and an electric push rod is fixedly installed on the side of the two blocking plates away from each other, and a rotating rod is rotatably installed on the top of the bottom plate away from the supporting plate, and the bottom fixed sleeve of the rotating rod is provided with a first gear, and the outer side of the first gear is meshed with the second gear, and the middle part of the second gear is fixedly penetrated by a driving rod, and the driving rod is rotatably connected to the bottom plate, and the top fixed sleeve of the rotating rod is provided with a square plate, and the sliding of the square plate is provided with evenly distributed collection boxes.

[0007] Preferably, the top of the square plate is provided with evenly distributed limit grooves, the bottom end of the collection box is fixedly installed with a clamping rod, the surface of the clamping rod is provided with a hole, the clamping rod is movably clamped in the limit groove, the outer side of the square plate is fixedly installed with evenly distributed connecting blocks, and the middle part of the connecting block is movably clamped with a pin.

[0008] Compared with the prior art, the beneficial effects of the utility model are:

[0009] 1. The present application can drive multiple collection boxes to rotate by rotating the square plate, so that multiple collection boxes can collect multiple samples without stopping the machine, thereby improving the screening efficiency;

[0010] 2. This application can install and disassemble the collection box, making it convenient for the staff to take out the collected samples, thus improving the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0012] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the spring in the utility model.

[0014] Figure 3 It is a structural schematic diagram of the collecting plate in the utility model.

[0015] Figure 4 It is a structural schematic diagram of the collection box in the utility model.

[0016] In the figure: 1. bottom plate; 11. support plate; 12. fixing plate; 13. filter plate; 14. rotating shaft; 15. cam; 16. empty slot; 17. fixing block; 18. stabilizing rod; 19. spring; 1901. collecting plate; 191. blocking plate; 192. electric push rod; 193. rotating rod; 194. first gear; 195. second gear; 196. driving rod; 197. square plate; 198. collecting box; 2. limiting slot; 21. clamping rod; 22. connecting block; 23. latch; 3. first motor; 4. second motor; 5. drop slot; 6. inclined plate; 61. mounting plate; 7. bracket; 8. stabilizing plate. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] Example: Figure 1-4 As shown, the utility model provides a sample collection and screening device, including a bottom plate 1, a symmetrically distributed support plate 11 is fixedly installed on the top of the bottom plate 1, and a fixing plate 12 is fixedly installed on the opposite sides of the two supporting plates 11, and a drop groove 5 is opened on the surface of the fixing plate 12. By setting the drop groove 5, unqualified samples can fall from the filter plate 13 to the collection plate 1901; the filter plate 13 is arranged on the top of the fixing plate 12, and a rotating shaft 14 is rotatably penetrated on one side of the fixing plate 12, and a second motor 4 is coaxially fixedly installed on the bottom of the rotating shaft 14, through A second motor 4 is provided to conveniently drive the rotating shaft 14 to rotate, thereby realizing the reciprocating movement of the filter plate 13; a cam 15 is fixedly sleeved on the top of the rotating shaft 14, and the cam 15 and the filter plate 13 are used in conjunction with each other. An empty slot 16 is provided on opposite sides of the two support plates 11, and symmetrically distributed fixed blocks 17 are fixedly installed on both sides of the filter plate 13 close to the empty slot 16, and the fixed blocks 17 are movably clamped in the empty slot 16, and a stabilizing rod 18 is fixedly installed in the empty slot 16, and the stabilizing rod 18 passes through the fixed block 17, and a spring 19 is fixedly installed on one side of the inner wall of the empty slot 16;

[0019] The other end of the spring 19 is fixedly connected to one of the fixed blocks 17, a collecting plate 1901 is arranged below the fixed plate 12, the collecting plate 1901, the fixed plate 12 and the filter plate 13 are all distributed in an inclined state, the collecting plate 1901 is fixedly connected to the support plate 11, a blocking plate 191 is arranged on the side away from the rotating shaft 14 at the top of the fixed plate 12 and the collecting plate 1901, the two blocking plates 191 are diagonally distributed, and an electric push rod 192 is fixedly installed on the side away from each other of the two blocking plates 191, a rotating rod 193 is rotatably installed on the side away from the support plate 11 at the top of the bottom plate 1, and the rotating rod The bottom fixed sleeve of 193 is provided with a first gear 194, the outer side of the first gear 194 is meshedly connected with a second gear 195, the middle part of the second gear 195 is fixed with a driving rod 196, the driving rod 196 is rotatably connected to the bottom plate 1, and the top of the driving rod 196 is coaxially fixedly installed with a first motor 3. By setting the first motor 3, it is convenient to rotate the driving rod 196, thereby driving the square plate 197 and the collecting box 198 to rotate, so that the efficiency of collecting samples is improved; the top fixed sleeve of the rotating rod 193 is provided with a square plate 197, and the sliding of the square plate 197 is provided with evenly distributed collecting boxes 198.

[0020] The top of the square plate 197 is provided with evenly distributed limit grooves 2, the bottom of the collection box 198 is fixedly installed with a clamping rod 21, the surface of the clamping rod 21 is provided with a hole, the clamping rod 21 is movably clamped in the limit groove 2, and the outer side of the square plate 197 is fixedly installed with evenly distributed connection blocks 22, and the middle part of the connection block 22 is movably clamped with a pin 23.

[0021] The fixing plate 12 and the collecting plate 1901 are both fixedly installed with an inclined plate 6 on one side of the top close to the blocking plate 191, and the two inclined plates 6 are diagonally distributed. The fixing plate 12 and the collecting plate 1901 are both fixedly installed with symmetrically distributed mounting plates 61 on one side of the top close to the inclined plate 6. By setting the inclined plate 6 and the mounting plate 61, the sample can be blocked so that it can only fall through the gap between the two mounting plates 61, thereby accurately entering the collecting box 198.

[0022] A bracket 7 is fixedly mounted on one side of the top of the base plate 1 close to the first motor 3 . The first motor 3 is fixedly mounted on the top of the bracket 7 . The driving rod 196 passes through the bracket 7 . The bracket 7 can support the first motor 3 .

[0023] The bottom ends of the two electric push rods 192 are fixedly installed with stabilizing plates 8, and the two stabilizing plates 8 are respectively fixedly connected to the corresponding support plates 11. By setting the stabilizing plates 8, the electric push rods 192 can be supported so that they can drive the blocking plate 191 to rise and move downward.

[0024] Working principle: In actual use, the rotating shaft 14 is driven to rotate, and the rotating shaft 14 drives the cam 15 to rotate. When the front end of the cam 15 contacts the filter plate 13, it can drive the filter plate 13 to move in the opposite direction of the blocking plate 191. At this time, the spring 19 is deformed, and then the front end of the cam 15 and the filter plate 13 are separated. At this time, the spring 19 returns to its original state and pushes the filter plate 13 in the direction of the cam 15. This is repeated, so that the filter plate 13 moves back and forth, and then the sample is placed on the filter plate 13, and the blocking plate 191 is driven to rise by driving the electric push rod 192. Then, the qualified sample enters the collection box 198 through the fixed plate 12, and the unqualified sample enters the other side of the collection box 198 through the collection plate 1901. When the collection box 198 When a certain amount of samples are collected, the blocking plate 191 is driven downward by driving the reverse driving electric push rod 192 to block the samples, and then the second gear 195 is driven to rotate by driving the driving rod 196, and the second gear 195 drives the first gear 194 to rotate, and the first gear 194 drives the rotating rod 193 and the square plate 197 to rotate, so that another collection box 198 at the top of the square plate 197 comes to the blocking plate 191, and then the blocking plate 191 is driven to rise by driving the electric push rod 192, so that the samples continue to enter the collection box 198; by inserting the pin 23 into the hole of the card rod 21, the card rod 21 and the collection box 198 can be fixed, and when the pin 23 is removed from the hole of the card rod 21, the collection box 198 can be disassembled.

[0025] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A sample collection and screening device, comprising a bottom plate (1), characterized in that: A symmetrically distributed support plate (11) is fixedly mounted on the top of the bottom plate (1), a fixed plate (12) is fixedly mounted on opposite sides of the two support plates (11), a filter plate (13) is arranged on the top of the fixed plate (12), a rotating shaft (14) is rotatably penetrated through one side of the fixed plate (12), a cam (15) is fixedly mounted on the top of the rotating shaft (14), the cam (15) and the filter plate (13) are used in conjunction with each other, an empty groove (16) is provided on opposite sides of the two support plates (11), and symmetrically distributed fixed blocks (17) are fixedly mounted on both sides of the filter plate (13) near the empty groove (16), the fixed blocks (17) are movably clamped in the empty groove (16), a stabilizing rod (18) is fixedly mounted in the empty groove (16), the stabilizing rod (18) penetrates the fixed block (17), and a spring (19) is fixedly mounted on one side of the inner wall of the empty groove (16); The other end of the spring (19) is fixedly connected to one of the fixed blocks (17); a collecting plate (1901) is provided below the fixed plate (12); the collecting plate (1901), the fixed plate (12) and the filter plate (13) are all arranged in an inclined state; the collecting plate (1901) is fixedly connected to the support plate (11); a blocking plate (191) is provided on the side of the top of the fixed plate (12) and the collecting plate (1901) away from the rotating shaft (14); the two blocking plates (191) are diagonally arranged; and an electric motor is fixedly installed on the side of the two blocking plates (191) away from each other. A push rod (192), a rotating rod (193) is rotatably mounted on a side of the top of the bottom plate (1) away from the support plate (11), a bottom fixed sleeve of the rotating rod (193) is provided with a first gear (194), the outer side of the first gear (194) is meshingly connected with a second gear (195), a driving rod (196) is fixedly passed through the middle of the second gear (195), the driving rod (196) is rotatably connected to the bottom plate (1), a top fixed sleeve of the rotating rod (193) is provided with a square plate (197), and the sliding portion of the square plate (197) is provided with evenly distributed collection boxes (198).

2. A sample collection and screening device as claimed in claim 1, characterized in that: The top of the square plate (197) is provided with evenly distributed limiting grooves (2), the bottom of the collection box (198) is fixedly mounted with a clamping rod (21), a hole is provided on the surface of the clamping rod (21), the clamping rod (21) is movably mounted in the limiting groove (2), and evenly distributed connecting blocks (22) are fixedly mounted on the outside of the square plate (197), and a latch (23) is movably mounted in the middle of the connecting block (22).

3. A sample collection and screening device as claimed in claim 1, characterized in that: A first motor (3) is coaxially and fixedly mounted on the top of the driving rod (196).

4. A sample collection and screening device as claimed in claim 1, characterized in that: A second motor (4) is coaxially and fixedly mounted on the bottom of the rotating shaft (14).

5. A sample collection and screening device as claimed in claim 1, characterized in that: A drop groove (5) is provided on the surface of the fixing plate (12).

6. A sample collection and screening device as claimed in claim 5, characterized in that: An inclined plate (6) is fixedly mounted on one side of the top of the fixing plate (12) and the collecting plate (1901) close to the blocking plate (191), the two inclined plates (6) are diagonally distributed, and symmetrically distributed mounting plates (61) are fixedly mounted on one side of the top of the fixing plate (12) and the collecting plate (1901) close to the inclined plate (6).

7. A sample collection and screening device as claimed in claim 3, characterized in that: A bracket (7) is fixedly mounted on one side of the top of the base plate (1) close to the first motor (3); the first motor (3) is fixedly mounted on the top of the bracket (7); and the driving rod (196) passes through the bracket (7).

8. A sample collection and screening device as claimed in claim 1, characterized in that: A stabilizing plate (8) is fixedly mounted on the bottom ends of the two electric push rods (192), and the two stabilizing plates (8) are respectively fixedly connected to corresponding support plates (11).

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