Aquatic product offspring seed grading and screening device

Abstract

The utility model discloses an aquatic offspring seed grading and screening device, and relates to the technical field of aquaculture. The device comprises a bottom plate, an adjustable grading screening mechanism and a buckling mechanism are arranged on the bottom plate, a plurality of supporting legs are arranged at the top of the bottom plate, the tops of the two supporting legs located on the front side are fixedly connected with a U-shaped supporting frame, and a T-shaped sliding groove is formed in the right side of the U-shaped supporting frame; and the adjustable grading screening mechanism comprises a plurality of adjustable grading screening assemblies, a supporting assembly and a collecting assembly, and each adjustable grading screening assembly comprises two T-shaped sliding blocks connected into the corresponding T-shaped sliding groove in a sliding mode. Through the arrangement of the adjustable grading screening mechanism, the problems that when the device is used, the aperture of the filter holes is inconvenient to adjust, the screening range is limited, and the screening requirements of various specifications of seedlings are difficult to meet, so that the screening efficiency is reduced, even other screening methods need to be adopted or equipment needs to be replaced, and the screening cost is increased are solved.

Description

Technical Field

[0001] This utility model belongs to the field of aquaculture technology, and in particular relates to an aquatic seedling grading and screening device. Background Technology

[0002] Among the related technologies, an aquatic seedling screening device with announcement number CN221306868U is disclosed. This device can, during the grading and screening of aquatic seedlings, use a screening box, a screening conveyor belt, a screening screen, a rotating shaft, and a servo motor. The servo motor drives the rotating shaft to rotate, which in turn causes the screening conveyor belt to rotate up and down around the rotating shaft. The screening screen can scrape up the clam seedlings in the screening box, causing the smaller clam seedlings to fall off, while the larger clam seedlings are conveyed upwards by the screening screen and tilted onto the discharge plate, greatly improving the screening efficiency.

[0003] However, the device is not easy to adjust the screening range during use, making it difficult to meet the screening needs of various seedling sizes, which leads to reduced screening efficiency and may even require the use of other screening methods or replacement of equipment, increasing screening costs. Utility Model Content

[0004] The purpose of this utility model is to provide an aquatic seedling grading and screening device. By setting an adjustable grading and screening mechanism, the device solves the problem that it is inconvenient to adjust the pore size of the filter holes during use, the screening range is limited, and it is difficult to meet the screening needs of seedlings of various specifications, which leads to reduced screening efficiency and even the need to use other screening methods or replace equipment, thus increasing screening costs.

[0005] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0006] This utility model is an aquatic seedling grading and screening device, including a base plate, on which an adjustable grading and screening mechanism and a snap-fit ​​mechanism are provided;

[0007] The top of the base plate is provided with several support legs. The top of the two support legs located on the front side is fixedly connected to a U-shaped support frame. A T-shaped groove is opened on the right side of the U-shaped support frame. The adjustable grading and screening mechanism includes several adjustable grading and screening components, support components, and collection components. The adjustable grading and screening components include two T-shaped sliders slidably connected in the T-shaped groove. A rectangular slider is fixedly connected to the right side of each of the two T-shaped sliders. A bidirectional threaded rod is rotatably passed through the central axis of each of the two rectangular sliders. A hinge block one is fixedly connected to the right side of each of the two hinge blocks one. An inclined slide rod is hinged to the right side of each of the two inclined slide rods. The right side of each of the two inclined slide rods is higher than the left side, and the gap between the two inclined slide rods increases towards the left. A hinge block two is hinged to the right side of each of the two inclined slide rods. The adjacent bidirectional threaded rods in the several adjustable grading and screening components are fixedly connected on the side that is close to each other.

[0008] Furthermore, the support assembly includes two connecting rods fixedly connected to the right side of the U-shaped support frame, a support rod fixedly connected to the right side of the two connecting rods, the right sides of the two hinge blocks are fixedly connected to the support rods, and the bottom of the support rods are fixedly connected to two support legs located on the rear side.

[0009] Furthermore, a rectangular rod is fixedly connected to the top of each of the two connecting rods, and a feed hopper is fixedly connected between the two rectangular rods.

[0010] Furthermore, the collection assembly includes several collection boxes 1 disposed on the top of the base plate, each of the collection boxes 1 having a handle fixedly connected to its front side, and several collection boxes 2 disposed on the top of the base plate.

[0011] Furthermore, the latching mechanism includes a rotating shaft rotatably connected to the front side of the U-shaped support frame, the rear side of the rotating shaft extending rotatably into the U-shaped support frame, the rear extension of the rotating shaft being fixedly connected to a bidirectional threaded rod, and an internal toothed ring being fixedly connected to the front side of the U-shaped support frame.

[0012] Furthermore, a fixing block is fixedly connected to the outer wall of the rotating shaft, and a cylindrical groove is formed on the fixing block.

[0013] Furthermore, a telescopic rod is fixedly connected to the inner wall of the right side of the cylindrical groove, and a limiting block is fixedly connected to the left side of the telescopic rod. The limiting block is adapted to the internal toothed ring.

[0014] Furthermore, a spring is fitted on the outer wall of the telescopic rod, the left side of the spring is fixedly connected to the limiting block, the right side of the limiting block is fixedly connected to the cylindrical groove, and a disc is fixedly connected to the front side of the internal toothed ring, through which the rotating shaft rotates.

[0015] This utility model has the following beneficial effects:

[0016] 1. By setting an adjustable grading and screening mechanism, when the rotating shaft is rotated, it also drives the bidirectional threaded rod to rotate. This causes the bidirectional threaded rod to move the two rectangular sliders closer together or further apart. Two hinge blocks, respectively, drive the left ends of the two inclined slide rods to move closer together or further apart via two hinge blocks. The right ends of the two inclined slide rods are hinged to the support rod via two hinge blocks, thus causing the two inclined slide rods to rotate and change the gap between them. As the two inclined slide rods rotate, the two rectangular sliders also drive the T-shaped slider to slide within the T-shaped groove on the U-shaped support frame, ensuring that the rectangular sliders do not rotate. This continues until the gap between the two inclined slide rods reaches the specified value, at which point the rotating shaft stops rotating, completing the adjustment. Aquatic seedlings are placed in the feed hopper on the rectangular rod. The seedlings fall onto the two inclined slides of the four adjustable grading and screening components through the four discharge ports of the feed hopper. Due to the special placement of the two inclined slides, the gap between the two slides increases as the seedlings slide down. Smaller and larger seedlings will fall through the gap into the different collection boxes below, while those that do not pass through the gap will slide into the collection box to the lower left of the inclined slide, thus completing the screening. The screening range can be controlled by adjusting the distance between the slides, thereby expanding the screening range of the device, improving screening efficiency, and also improving the versatility of the device, so that the device can meet the different screening needs of various seedling sizes.

[0017] 2. By setting up a locking mechanism, when adjusting the gap between the sliding rods to meet the screening requirements, first rotate the rotating shaft. The rotating shaft drives the fixed block on it to rotate, and the fixed block drives the limiting block to rotate through the telescopic rod. When the limiting block rotates, it will be squeezed by the inner toothed ring, which will generate a force towards the rotating shaft and squeeze the telescopic rod and spring. This will cause the telescopic rod and spring in the cylindrical groove to retract, and then the limiting block will move towards the rotating shaft until it leaves the inner toothed ring. In this way, the limiting block slides on the teeth of the inner toothed ring until it enters the next tooth gap on the inner toothed ring. At this time, the spring rebounds and drives the limiting block to reset, so that the limiting block is locked on the inner toothed ring. This ensures that the screening gap remains stable when no adjustment is needed, and prevents the adjustable grading screening mechanism from being accidentally adjusted due to external forces such as vibration and collision, which would cause changes in the screening gap, thus ensuring the stable operation of screening.

[0018] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0019] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0021] Figure 2 This is a schematic diagram of the rear structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the front sectional structure of the present invention;

[0023] Figure 4 This is a schematic diagram of the rear cross-sectional structure of the present invention;

[0024] Figure 5 This utility model Figure 3 A magnified structural diagram of A in the middle.

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1. Base plate; 111. Support leg; 112. U-shaped support frame; 113. T-shaped chute; 2. Adjustable grading and screening mechanism; 21. Adjustable grading and screening component; 211. T-shaped slider; 212. Rectangular slider; 213. Bidirectional threaded rod; 214. Hinge block one; 215. Inclined slide bar; 216. Hinge block two; 22. Support component; 221. Connecting rod; 222. Support rod; 223. Rectangular rod; 224. Feed hopper; 23. Collection component; 231. Collection box one; 232. Handle; 233. Collection box two; 3. Buckling mechanism; 311. Rotating shaft; 312. Internal toothed ring; 313. Fixing block; 314. Cylindrical groove; 315. Telescopic rod; 316. Limiting block; 317. Spring; 318. Disc. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-5As shown, this utility model is an aquatic seedling grading and screening device, including a base plate 1. An adjustable grading and screening mechanism 2 and a snap-fit ​​mechanism 3 are mounted on the base plate 1. Several support legs 111 are mounted on the top of the base plate 1. A U-shaped support frame 112 is fixedly connected to the top of the two front support legs 111. A T-shaped groove 113 is provided on the right side of the U-shaped support frame 112. The adjustable grading and screening mechanism 2 includes several adjustable grading and screening components 21, support components 22, and collection components 23. The primary screening component 21 includes two T-shaped sliders 211 slidably connected within a T-shaped groove 113. A rectangular slider 212 is fixedly connected to the right side of each of the two T-shaped sliders 211. A bidirectional threaded rod 213 rotatably passes through the central axis of each of the two rectangular sliders 212. A hinge block 214 is fixedly connected to the right side of each of the two hinge blocks 214. An inclined slide rod 215 is hinged to the right side of each of the two inclined slide rods 215. A second hinge block is hinged to the right side of each of the two inclined slide rods 215. 216. The support assembly 22 includes two connecting rods 221 fixedly connected to the right side of the U-shaped support frame 112. Support rods 222 are fixedly connected to the right side of the two connecting rods 221. The right sides of the two hinge blocks 216 are fixedly connected to the support rods 222. The bottom of the support rods 222 is fixedly connected to two support legs 111 located at the rear. Rectangular rods 223 are fixedly connected to the top of each of the two connecting rods 221. A feed hopper 224 is fixedly connected between the two rectangular rods 223. The collection assembly 23 includes several collection boxes 231 set on the top of the base plate 1. Handles 232 are fixedly connected to the front of each collection box 231. Several collection boxes 233 are set on the top of the base plate 1. By setting an adjustable grading and screening mechanism, the screening range can be controlled by adjusting the distance between the sliding rods, thereby expanding the screening range of the device, improving screening efficiency, and also improving the versatility of the device, enabling the device to meet the different screening needs of various seedling specifications.

[0029] The latching mechanism 3 includes a rotating shaft 311 rotatably connected to the front side of the U-shaped support frame 112. The rear side of the rotating shaft 311 extends rotatably into the U-shaped support frame 112. The rear extension of the rotating shaft 311 is fixedly connected to a bidirectional threaded rod 213. An internal toothed ring 312 is fixedly connected to the front side of the U-shaped support frame 112. The inner wall of the internal toothed ring 312 is fixedly connected to the rotating shaft 311. A fixing block 313 is fixedly connected to the outer wall of the rotating shaft 311. A cylindrical groove 314 is formed on the fixing block 313. A telescopic rod 315 is fixedly connected to the inner right side of the cylindrical groove 314. A limiting rod 315 is fixedly connected to the left side of the telescopic rod 315. Positioning block 316 and limiting block 316 are adapted to internal toothed ring 312. Spring 317 is sleeved on the outer wall of telescopic rod 315. The left side of spring 317 is fixedly connected to limiting block 316, and the right side of limiting block 316 is fixedly connected to cylindrical groove 314. Disk 318 is fixedly connected to the front side of internal toothed ring 312. Rotating shaft 311 rotates through disk 318. By setting a buckling mechanism, it can be ensured that the screening spacing remains stable when no adjustment is needed, preventing the adjustable grading screening mechanism from being accidentally adjusted due to external forces such as vibration and collision, thus ensuring the stable operation of screening.

[0030] A specific application of this embodiment is as follows: In use, first place the device in the corresponding position, then adjust the gap between the sliding rods to meet the screening requirements. First, rotate the rotating shaft 311, which drives the fixed block 313 on it to rotate. The fixed block 313 then drives the limiting block 316 to rotate via the telescopic rod 315. When the limiting block 316 rotates, it is squeezed by the internal toothed ring 312, generating a force towards the rotating shaft 311 that squeezes the telescopic rod 315 and the spring 317. This causes the telescopic rod 315 and the spring 317 within the cylindrical groove 314 to contract, thereby causing the limiting block 316 to... The 6-axis rotating shaft 311 moves until it leaves the internal gear ring 312. The limiting block 316 slides on the teeth of the internal gear ring 312 until it enters the next tooth gap on the internal gear ring 312. At this time, the spring 317 rebounds, causing the limiting block 316 to reset and lock onto the internal gear ring 312. This locks the rotating shaft 311 when it is not rotating. When the rotating shaft 311 is rotated, it also drives the bidirectional threaded rod 213 to rotate, causing the bidirectional threaded rod 213 to move the two rectangular sliders 212 closer together or further apart. The two hinge blocks 214 respectively... The two hinge blocks 214 cause the left ends of the two inclined slide rods 215 to move away from or closer to each other. The right ends of the two inclined slide rods 215 are hinged to the support rod 222 via two hinge blocks 216, thereby causing the two inclined slide rods 215 to rotate and change the gap between them. When the two inclined slide rods 215 rotate, the two rectangular sliders 212 also cause the T-shaped sliders 211 to slide in the T-shaped grooves 113 on the U-shaped support frame 112, ensuring that the rectangular sliders 212 do not rotate. This continues until the gap between the two inclined slide rods 215 reaches a specified value, at which point the rotation stops. Once shaft 311 is adjusted, aquatic seedlings can be placed into the feed hopper 224 on the rectangular rod 223. The seedlings will fall onto the two inclined slide bars 215 of the four adjustable grading and screening components 21 through the four discharge ports of the feed hopper 224. Due to the special placement of the two inclined slide bars 215, the gap between the two inclined slide bars 215 will become larger and larger as the seedlings slide down. As a result, smaller and larger seedlings will fall through the gap into the different collection boxes 1 231 below, while seedlings that do not pass through the gap will slide into the collection box 233 to the lower left of the inclined slide bar 215, thus completing the screening.

[0031] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0032] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An aquatic seedling grading and screening device, comprising a base plate (1), characterized in that: An adjustable grading and screening mechanism (2) and a snap-fit ​​mechanism (3) are provided on the base plate (1); The top of the base plate (1) is provided with several support legs (111). The top of the two support legs (111) located on the front side is fixedly connected to a U-shaped support frame (112). A T-shaped groove (113) is provided on the right side of the U-shaped support frame (112). The adjustable grading and screening mechanism (2) includes several adjustable grading and screening components (21), support components (22), and collection components (23). The adjustable grading and screening components (21) include two components that are slidably connected in the T-shaped groove (113). T-shaped sliders (211), and rectangular sliders (212) are fixedly connected to the right side of each of the two T-shaped sliders (211). A bidirectional threaded rod (213) is rotatably passed through the central axis of each of the two rectangular sliders (212). A hinge block one (214) is fixedly connected to the right side of each of the two hinge blocks one (214). An inclined slide rod (215) is hinged to the right side of each of the two inclined slide rods (215). A hinge block two (216) is hinged to the right side of each of the two inclined slide rods (215).

2. The aquatic seedling grading and screening device according to claim 1, characterized in that, The support assembly (22) includes two connecting rods (221) fixedly connected to the right side of the U-shaped support frame (112). The right side of the two connecting rods (221) is fixedly connected to a support rod (222). The right side of the two hinge blocks (216) is fixedly connected to the support rod (222). The bottom of the support rod (222) is fixedly connected to two support legs (111) located on the rear side.

3. The aquatic seedling grading and screening device according to claim 2, characterized in that, A rectangular rod (223) is fixedly connected to the top of each of the two connecting rods (221), and a feed hopper (224) is fixedly connected between the two rectangular rods (223).

4. The aquatic seedling grading and screening device according to claim 3, characterized in that, The collection assembly (23) includes several collection boxes (231) set on the top of the base plate (1), each of the collection boxes (231) having a handle (232) fixedly connected to its front side, and several collection boxes (233) set on the top of the base plate (1).

5. The aquatic seedling grading and screening device according to claim 4, characterized in that, The buckling mechanism (3) includes a rotating shaft (311) rotatably connected to the front side of the U-shaped support frame (112). The rear side of the rotating shaft (311) extends rotatably into the U-shaped support frame (112). The rear extension of the rotating shaft (311) is fixedly connected to a bidirectional threaded rod (213). An internal toothed ring (312) is fixedly connected to the front side of the U-shaped support frame (112). The inner wall of the internal toothed ring (312) is fixedly connected to the rotating shaft (311).

6. The aquatic seedling grading and screening device according to claim 5, characterized in that, A fixing block (313) is fixedly connected to the outer wall of the rotating shaft (311), and a cylindrical groove (314) is provided on the fixing block (313).

7. The aquatic seedling grading and screening device according to claim 6, characterized in that, A telescopic rod (315) is fixedly connected to the inner wall of the right side of the cylindrical groove (314), and a limiting block (316) is fixedly connected to the left side of the telescopic rod (315). The limiting block (316) is adapted to the internal toothed ring (312).

8. The aquatic seedling grading and screening device according to claim 7, characterized in that, A spring (317) is sleeved on the outer wall of the telescopic rod (315). The left side of the spring (317) is fixedly connected to the limiting block (316), and the right side of the limiting block (316) is fixedly connected to the cylindrical groove (314). A disc (318) is fixedly connected to the front side of the internal toothed ring (312), and the rotating shaft (311) rotates through the disc (318).

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