Shrimp seed screening device

Abstract

The utility model relates to the technical field of shrimp seed screening, and discloses a shrimp seed screening device which comprises a sorting frame and a base used for supporting the sorting frame. The separation assembly comprises a grid plate and a sliding block; the locking assembly comprises a pressing plate, a blocking piece and a pull rod, the blocking piece is fixedly connected with the pressing plate, the pull rod is fixedly connected with the pressing plate and is in sliding connection with the sorting frame, the positions of the grid plates are adjusted through sliding of the sliding blocks along the sliding grooves in the side wall of the sorting frame, then the distance between every two adjacent grid plates is adjusted, and the position of each grid plate is independently adjustable; a plurality of sorting areas can be formed on the top of the sorting frame, adaptability is higher, use is more flexible, pull rods are pulled upwards, the pull rods slide in limiting holes and drive pressing plates to move upwards, the pressing plates extrude blocking pieces to deform and be separated from the sliding blocks, and after the pull rods are loosened, the blocking pieces push the pressing plates to move downwards to reset and abut against the top faces of the sliding blocks. Synchronous pressing and fixing of the multiple sliding blocks are achieved, and operation is easy and convenient when the position of the grid plate is adjusted.

Description

TECHNICAL FIELD

[0001] The utility model relates to shrimp fry screening technical field especially relates to a shrimp fry screening device. BACKGROUND

[0002] In the process of breeding crayfish, the corresponding screening device needs to be used to screen shrimp fry, and shrimp fry with similar sizes is screened out. In rice field shrimp culture, after the shrimp fry grows to a certain size, the method is also used to separate large individual shrimp fry.

[0003] The prior art discloses a kind of shrimp fry screening device for rice field breeding crayfish (publication number: CN116369266A), including table body, the vertical work groove is set on the upper surface of table body, the installation port is set in the left and right groove wall of work groove, the spring rod is vertically fixedly installed in installation port, the top of two spring rods is fixedly installed with mounting ring, two mounting rings are fixedly installed with fixed rod, and the fixed rod is fixedly installed with screening assembly between the end of mutual approach of two fixed rods;The screening assembly includes screening frame fixedly installed between two fixed rods, multiple screening plates located in screening frame, threaded rod horizontally rotatably installed in screening frame and sliding block threadedly sleeved on threaded rod, and loose port is formed between every two screening plates.

[0004] In the prior art, the shear force rod structure is mainly driven by motor to adjust, and the size of the sorting port is adjusted by the extension of the shear frame. For rice field breeding, it needs to be carried back and forth to multiple greenhouses for use. Its overall structure is complex, heavy, and inconvenient to carry and transfer. Secondly, the adjustment of shear frame has synchronism, and it is difficult to adjust the size of the sorting port in local position according to demand, which limits the user to adjust, and cannot form multiple sorting areas with different sorting ports.

[0005] Therefore, we propose a kind of shrimp fry screening device. UTILITY MODEL CONTENT

[0006] The utility model mainly solves the technical problem that the above-mentioned sorting port cannot be adjusted independently, and provides a shrimp fry screening device.

[0007] In order to achieve the above purpose, the utility model adopts the following technical scheme, a shrimp fry screening device, comprising:

[0008] The sorting frame is fixedly installed on the top of the base, and the base is used to support the sorting frame.

[0009] The separating assembly is arranged at the top of the sorting frame to form a sorting gap, and comprises a grid plate and a sliding block, one sliding block is arranged at each end of the grid plate, the sliding block is in sliding connection with the sorting frame, the grid plate can rotate around the sliding block, a plurality of position-adjustable separating assemblies are arranged at the top of the sorting frame, and a sorting gap for sorting is formed between two adjacent grid plates.

[0010] The locking assembly is arranged at one side of the sorting frame to fix the position of the grid plate, and comprises a pressing plate, a blocking piece and a pull rod, the blocking piece is fixedly connected with the pressing plate, the pull rod is fixedly connected with the pressing plate and is in sliding connection with the sorting frame, and the blocking piece can abut against the sorting frame to push and press the pressing plate to compress the sliding block.

[0011] As a preferred mode of the utility model, the sorting frame forms a U-shaped frame, and a sliding groove is formed in the inner side wall of the sorting frame.

[0012] As a preferred mode of the utility model, the sliding groove is a rectangular groove, and the sliding block is used in cooperation with the sliding groove.

[0013] As a preferred mode of the utility model, the blocking piece and the pressing plate are integrally formed, one blocking piece extending in the center direction of the pressing plate is arranged at each end of the pressing plate, and the pressing plate is located in the sliding groove.

[0014] As a preferred mode of the utility model, the blocking piece abuts against the top surface in the sliding groove, two limiting holes extending into the sliding groove are formed in the top of the sorting frame, two pull rods are fixedly installed on the top of the pressing plate, and the pull rods are in sliding connection with the corresponding limiting holes.

[0015] As a preferred mode of the utility model, the separating assembly further comprises an axle hole, an axle, a bottom groove and a friction block, the same axle is fixed at each end of the grid plate, the axle hole is formed in the side wall of the sliding block, the bottom groove is formed in the bottom of the sliding block, the bottom groove is rotatably arranged in the axle hole, and the friction block is in sliding connection with the bottom groove.

[0016] As a preferred mode of the utility model, the axle is matched with the axle hole, the bottom groove and the axle hole are in communication with each other, the friction block is in the shape of a rectangular block, an arc-shaped groove is formed in the top surface of the friction block, the length of the friction block is greater than the depth of the bottom groove, and the friction block can abut against the circumferential surface of the axle to limit the rotation of the axle.

[0017] Beneficial effects

[0018] The utility model provides a shrimp fry screening device. Has the following beneficial effects:

[0019] 1. The shrimp fry screening device, through setting up several groups of separation components, the position of the grid plate is adjusted by the sliding block along the sliding groove of the sorting frame side wall, and then the spacing of the adjacent two grid plates is adjusted, the position of each grid plate is individually adjustable, a plurality of sorting areas can be formed at the top of the sorting frame, the width of the sorting gap can be flexibly adjusted according to requirements to meet the sorting of shrimp fries of different sizes, the adaptability is stronger, the use is more flexible, the pull rod is pulled up, the pull rod slides in the limiting hole and drives the pressing plate to move up, the pressing plate extrudes the blocking piece to deform and separate from the sliding block, after the pull rod is loosened, the blocking piece pushes the pressing plate to move down and reset and abuts against the top surface of each sliding block, the synchronous compression and fixation of the plurality of sliding blocks are realized, and the position of the grid plate is adjusted.

[0020] 2. The shrimp fry screening device, the size of the sorting gap can be adjusted by the sliding of the grid plate, and the width of the sorting gap can be further adjusted by the rotation of the grid plate, after the pressing plate is separated from the sliding block, the sliding block bottom is separated from the sliding groove bottom surface by lifting the grid plate, at this time, the friction block slides in the bottom groove under the action of gravity and separates from the rotating shaft, the rotating shaft rotates in the shaft hole by a certain angle after the grid plate is loosened, the sliding block falls back to the sliding groove bottom surface, the friction block enters the bottom groove and abuts against the rotating shaft by the pressing plate pressing the sliding block, the rotating shaft is limited, the turning angle of the grid plate is fixed, the double adjustment of the sorting channel is realized, the adjustment range is wider, and the adaptability is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is one of the overall perspective views of the utility model;

[0022] Figure 2 It is the second overall perspective view of the utility model;

[0023] Figure 3 It is the sorting frame perspective view of the utility model;

[0024] Figure 4 It is the locking assembly and sliding block perspective view of the utility model;

[0025] Figure 5 It is the grid plate and sliding block assembly view of the utility model.

[0026] Legend: 10, sorting frame; 11, base; 12, sliding groove; 20, grid plate; 21, sliding block; 22, pressing plate; 23, blocking piece; 24, pull rod; 30, shaft hole; 31, rotating shaft; 32, bottom groove; 33, friction block. DETAILED DESCRIPTION

[0027] A shrimp fry screening device, as shown in Figure 1 and Figure 2 , comprising:

[0028] The sorting frame 10 and the base 11 for supporting the sorting frame 10, the sorting frame 10 is fixedly installed on the top of the base 11, the sorting frame 10 can be supported by the base 11 so that the sorting frame 10 is in a suspended state, and a container can be placed below the sorting frame 10 for loading the sorted shrimp fry.

[0029] As shown in Figure 1 and Figure 3 , the separation assembly is arranged on the top of the sorting frame 10 for forming a sorting gap, the separation assembly includes a grid plate 20 and a sliding block 21, one sliding block 21 is arranged at each end of the grid plate 20, the sliding block 21 is in sliding connection with the sorting frame 10, and the grid plate 20 can rotate around the sliding block 21, a plurality of position-adjustable separation assemblies are arranged on the top of the sorting frame 10, and a sorting gap for sorting is formed between two adjacent grid plates 20;

[0030] By arranging a plurality of separation assemblies, the position of the grid plate 20 is adjusted by sliding the sliding block 21 along the sliding groove 12 of the side wall of the sorting frame 10, and then the distance between the two adjacent grid plates 20 is adjusted, and the position of each grid plate 20 is individually adjustable, so that a plurality of sorting areas can be formed on the top of the sorting frame 10, the width of the sorting gap can be flexibly adjusted according to requirements to meet the sorting of shrimp fry of different sizes, and the adaptability is stronger and the use is more flexible.

[0031] As shown in Figure 4 , the locking assembly is arranged on one side of the sorting frame 10 for fixing the position of the grid plate 20, the locking assembly includes a pressing plate 22, a baffle 23 and a pull rod 24, the baffle 23 is fixedly connected with the pressing plate 22, the pull rod 24 is fixedly connected with the pressing plate 22 and is in sliding connection with the sorting frame 10, the baffle 23 can abut against the sorting frame 10 to push and press the pressing plate 22 to press the sliding block 21, the sorting frame 10 forms a U-shaped frame, the inner side wall of the sorting frame 10 is provided with a sliding groove 12, the sliding block 21 is slidingly arranged in the sliding groove 12, the sliding groove 12 is a rectangular groove, the sliding block 21 and the sliding groove 12 are used in cooperation, the baffle 23 and the pressing plate 22 are integrally formed, the baffle 23 is arranged on the pressing plate 22 in a direction inclined to the center of the pressing plate 22, the pressing plate 22 is located in the sliding groove 12, the baffle 23 abuts against the top surface in the sliding groove 12, two limiting holes extending into the sliding groove 12 are formed on the top of the sorting frame 10, two pull rods 24 are fixedly installed on the top of the pressing plate 22, and the pull rods 24 are slidingly arranged in the corresponding limiting holes;

[0032] Since the sliding block 21 is slidingly arranged in the sliding groove 12, the position of the sliding block 21 needs to be locked to fix the position of the grid plate 20, so that the width of the sorting gap formed by the adjacent two grid plates 20 is fixed, and the height of the sliding groove 12 is greater than the sum of the thicknesses of the sliding block 21 and the pressing plate 22. By pulling the pull rod 24, the pull rod 24 slides in the limiting hole and drives the pressing plate 22 to move upwards, the pressing plate 22 extrudes the stop piece 23 to deform and separate from the sliding block 21. After the pull rod 24 is released, the stop piece 23 pushes the pressing plate 22 to move downwards and reset and abut against the top surface of each sliding block 21, so that the multiple sliding blocks 21 are synchronously pressed and fixed, and the position of the grid plate 20 is adjusted conveniently and easily.

[0033] As shown in Figure 5 The separation assembly further includes a shaft hole 30, a rotating shaft 31, a bottom groove 32 and a friction block 33. The two ends of the grid plate 20 are fixed with the same rotating shaft 31. The side wall of the sliding block 21 is provided with the shaft hole 30. The bottom of the sliding block 21 is provided with the bottom groove 32. The bottom groove 32 is rotationally arranged in the shaft hole 30. The friction block 33 is slidingly arranged in the bottom groove 32. The rotating shaft 31 is matched with the shaft hole 30. The bottom groove 32 is in communication with the shaft hole 30. The friction block 33 is formed as a rectangular block. The top surface of the friction block 33 is provided with an arc-shaped groove. The length of the friction block 33 is greater than the depth of the bottom groove 32. The friction block 33 can abut against the circumferential surface of the rotating shaft 31 to limit the rotation of the rotating shaft 31.

[0034] In this scheme, as a supplement to the above scheme, the grid plate 20 is a rectangular rod. The size of the sorting gap can be adjusted by the sliding of the grid plate 20. Similarly, the width of the sorting gap can be further adjusted by the rotation of the grid plate 20. After the pressing plate 22 is separated from the sliding block 21, the sliding block 21 is separated from the bottom surface of the sliding groove 12 by lifting the grid plate 20. At this time, the friction block 33 slides in the bottom groove 32 under the action of gravity and is separated from the rotating shaft 31. The rotating shaft 31 is rotated in the shaft hole 30 by a certain angle after the grid plate 20 is loosened. The sliding block 21 falls to the bottom surface of the sliding groove 12. The friction block 33 enters the bottom groove 32 and abuts against the rotating shaft 31 by pressing the sliding block 21 with the pressing plate 22, so as to limit the rotating shaft 31. The turning angle of the grid plate 20 is fixed, the double adjustment of the sorting channel is realized, the adjustment range is wider, and the adaptability is further improved.

[0035] For rice field shrimp breeding sorting, the structure of the scheme is simple, stable, and adjustable, and convenient to carry and store.

[0036] The utility model discloses a working principle: pull the pull rod 24, and the pull rod 24 slides in the limiting hole and drives the pressing plate 22 to move up, and the pressing plate 22 extrudes the stop slice 23 deformation and separates with the sliding block 21, and the position of the grid plate 20 is adjusted through the sliding block 21 along the slide groove 12 of the sorting frame 10 lateral wall sliding, and then the interval of two adjacent grid plates 20 is adjusted, and the grid plate 20 is lifted to make the bottom of the sliding block 21 separate with the bottom surface of the slide groove 12, at this moment, the friction block 33 slides in the bottom groove 32 under the action of gravity and separates with the rotating shaft 31, and the grid plate 20 is rotated to make the rotating shaft 31 rotate a certain angle in the shaft hole 30 and then loosen the grid plate 20 to make the sliding block 21 fall to the bottom surface of the slide groove 12, and after loosening the pull rod 24, the stop slice 23 pushes the pressing plate 22 and moves down and resets and abuts each sliding block 21 top surface, and the friction block 33 is made into the bottom groove 32 and abuts the rotating shaft 31 through the pressing plate 22 and presses the sliding block 21 to make the rotating shaft 31 limit, and the turning angle of the grid plate 20 is fixed, and the double adjustment of the sorting channel is realized.

[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. The skilled person in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification only illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A shrimp larvae screening device, characterized in that, include: The sorting frame (10) and the base (11) for supporting the sorting frame (10) are fixedly mounted on the top of the base (11); A separator component is provided on the top of the sorting frame (10) to form a sorting gap. The separator component includes a grid plate (20) and a slider (21). A slider (21) is provided at each end of the grid plate (20). The slider (21) is slidably connected to the sorting frame (10). The grid plate (20) can rotate around the slider (21). Several adjustable separator components are provided on the top of the sorting frame (10). A sorting gap for sorting is formed between two adjacent grid plates (20). A locking assembly is provided on one side of the sorting frame (10) to fix the grid plate (20). The locking assembly includes a pressure plate (22), a baffle (23) and a pull rod (24). The baffle (23) is fixedly connected to the pressure plate (22), and the pull rod (24) is fixedly connected to the pressure plate (22) and slidably connected to the sorting frame (10). The baffle (23) can abut against the sorting frame (10) to push the pressure plate (22) to press the slider (21).

2. The shrimp larvae screening device according to claim 1, characterized in that: The sorting frame (10) forms a U-shaped frame, and the inner sidewall of the sorting frame (10) is provided with a groove (12), and the slider (21) is slidably disposed in the groove (12).

3. The shrimp larvae screening device according to claim 2, characterized in that: The slide (12) is a rectangular groove, and the slider (21) is used in conjunction with the slide (12).

4. The shrimp larvae screening device according to claim 2, characterized in that: The baffle (23) and the pressure plate (22) are integrally formed. Each end of the pressure plate (22) is provided with a baffle (23) that extends obliquely toward the center of the pressure plate (22). The pressure plate (22) is located in the groove (12).

5. The shrimp larvae screening device according to claim 2, characterized in that: The baffle (23) abuts against the top surface of the slide groove (12). The top of the sorting frame (10) has two limiting holes extending into the slide groove (12). The top of the pressure plate (22) is fixedly installed with two pull rods (24), which are slidably set in the corresponding limiting holes.

6. The shrimp larvae screening device according to claim 1, characterized in that: The separating component also includes a shaft hole (30), a rotating shaft (31), a bottom groove (32), and a friction block (33). The two ends of the grid plate (20) are fixed with the same rotating shaft (31). The side wall of the slider (21) is provided with a shaft hole (30), and the bottom of the slider (21) is provided with a bottom groove (32). The bottom groove (32) is rotatably disposed in the shaft hole (30), and the friction block (33) is slidably disposed in the bottom groove (32).

7. The shrimp larvae screening device according to claim 6, characterized in that: The rotating shaft (31) is adapted to the shaft hole (30), the bottom groove (32) is connected to the shaft hole (30), the friction block (33) forms a rectangular block, the top surface of the friction block (33) is provided with an arc groove, the length of the friction block (33) is greater than the depth of the bottom groove (32), and the friction block (33) can abut against the circumferential surface of the rotating shaft (31) to restrict the rotation of the rotating shaft (31).

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