Gripper of zebra fish sorter

Abstract

The utility model discloses a zebra fish sorter grabber which comprises a fixing part, an opening and closing part is arranged below the fixing part, an inserting plate is arranged at the bottom end of the opening and closing part, a grabbing part is arranged on the inserting plate, a fast-assembling mechanism is arranged between the inserting plate and the grabbing part, and the fast-assembling mechanism comprises an inserting hole, an inserting rod, a fast-assembling sleeve, a clamping piece, a clamping groove and a fast-disassembling mechanism. The inserting holes are formed in the inserting plate and the grabbing part, the inserting rods are inserted into the inserting holes, the quick-mounting sleeves are arranged at the top ends of the inserting rods, the clamping pieces are distributed on the inner walls of the quick-mounting sleeves, the clamping grooves are formed in the outer walls of the inserting rods, and the quick-mounting mechanism achieves quick mounting and dismounting of the grabbing part through the inserting design of the inserting holes and the inserting rods and the connection mode of the quick-mounting sleeves and the inserting rods; through cooperation of the insertion holes and the insertion rods, an operator can easily insert the insertion rods into the insertion holes, connection or separation of the grabbing parts is rapidly completed, and the tedious step that in the prior art, tools need to be used for disassembly is omitted.

Description

Technical Field

[0001] This utility model relates to the technical field of accessories for biological sorting equipment, and more specifically, it relates to a zebrafish sorting device gripper. Background Technology

[0002] In experimental research and aquaculture, accurate sorting of zebrafish is of great significance for studying their biological characteristics or for variety selection. Due to the small size and active nature of zebrafish, an efficient grasping device is usually required for sorting. However, existing grasping devices often require component replacement or adjustment according to different experimental requirements, which makes the operation complex and time-consuming. This operation is not convenient, especially when dealing with a large number of samples. Traditional graspers require a lot of time to disassemble and reassemble, which affects the overall work efficiency. Since the configuration of the grasping components needs to be adjusted according to different sorting requirements, this replacement process is very cumbersome and not easy to complete quickly.

[0003] Existing grippers are typically designed with a fixed structure, requiring the gripping components to be replaced or adjusted according to different experimental needs. However, existing designs lack convenient and quick disassembly and installation capabilities, requiring operators to use tools to assemble and disassemble the device. This not only increases the difficulty of operation but also prolongs the work cycle and reduces efficiency. Furthermore, due to the lack of modularity and quick connection capabilities in the component replacement design of existing technologies, such gripping devices cannot quickly adapt to changing work requirements, resulting in an inability to make rapid adjustments when handling different experimental tasks, thus affecting the flexibility and reliability of the experiment. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the problems existing in the prior art, this utility model provides a zebrafish sorting grabber to solve the technical problem mentioned in the background art that the component replacement design of the prior art lacks modularity and quick connection function.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a zebrafish sorting device gripper, comprising a fixed part, an opening and closing part below the fixed part, an insert plate at the bottom of the opening and closing part, a gripping part on the insert plate, and a quick-release mechanism between the insert plate and the gripping part. The quick-release mechanism includes an insertion hole, an insertion rod, a quick-release sleeve, a snap-fit ​​piece, a slot, and a quick-release mechanism. The insertion hole is located on the insert plate and the gripping part, the insertion rod is inserted into the insertion hole, the quick-release sleeve is located at the top of the insertion rod, multiple snap-fit ​​pieces are distributed on the inner wall of the quick-release sleeve, and the slot is located on the outer wall of the insertion rod. The quick-release mechanism includes a sliding groove, a sliding sleeve, an inner ring, an unlocking plate, an outer ring, and a tension spring. Multiple sliding grooves are distributed on the outer wall of the quick-release sleeve, the sliding sleeve slides within the sliding groove, the inner ring is installed inside the sliding sleeve, multiple unlocking plates are distributed on the inner wall of the inner ring, the outer ring is located on the outer wall of the quick-release sleeve, and the two ends of the tension spring are connected to the outer ring and the sliding sleeve, respectively.

[0008] The present invention is further configured such that the outer wall of the quick-release sleeve is provided with a limiting mechanism, the limiting mechanism including a mounting ring, a limiting block, a return spring, a limiting groove, a locking sleeve, a top rod, a rotating sleeve, and a clearance hole. The mounting ring is fixed to the bottom surface of the rotating sleeve. Multiple sets of limiting blocks are provided and slide on the mounting ring. The return spring is provided at the top of the multiple sets of limiting blocks and connected to the outer wall of the mounting ring. Multiple sets of limiting grooves are provided and distributed on the outer wall of the quick-release sleeve. The locking sleeve slides on the outer wall of the quick-release sleeve. Multiple sets of top rods are provided and disposed on the bottom surface of the locking sleeve. The rotating sleeve rotates on the outer wall of the quick-release sleeve. Multiple sets of clearance holes are provided and distributed on the rotating sleeve.

[0009] The present invention is further configured such that a slot is provided at the bottom end of the gripping part, and the insert plate is engaged in the slot.

[0010] This design incorporates a slot and insert plate engagement structure at the bottom of the gripping part, enabling a more stable connection and fixation of the gripping part, thus preventing loosening or instability.

[0011] The present invention is further configured such that the inner wall of the quick-release sleeve is provided with a positioning plate, and the outer side of the insertion rod is provided with a positioning groove, and the positioning plate and the positioning groove are provided in multiple sets and are slidably connected.

[0012] The multi-sliding connection design of the positioning plate and positioning groove makes the connection between the insertion rod and the quick-release sleeve more precise and stable, ensuring reliable cooperation between components during rapid installation and disassembly, and improving the accuracy and efficiency of the overall operation.

[0013] The present invention is further configured such that a pressure plate is provided inside the quick-release sleeve, and a compression spring is connected inside the insertion rod.

[0014] The pressure plate and compression spring enhance pressure control between the insert and the quick-release sleeve, ensuring a tighter fit between the components during connection, while also mitigating damage or deformation caused by excessive pressure.

[0015] The present invention is further configured such that each of the multiple sets of push rods is provided with a push spring on its outer side, and the top of each of the multiple sets of push springs is fixedly connected to a locking sleeve and the bottom end is in contact with the rotating sleeve.

[0016] The design of the push rod and push spring provides a continuous elastic thrust to the locking sleeve, enabling the rotating sleeve to operate smoothly during operation and enhancing the flexibility and stability of the overall structure.

[0017] The present invention is further configured such that the outer wall of the quick-release sleeve is provided with an outer plate, the outer plate is provided with multiple sets, the bottom surface of the rotating sleeve is provided with a pressing block, the pressing block is provided with multiple sets and each of the multiple sets of the outer plates is connected with a pressing spring.

[0018] The design of the outer plate, compression block and compression spring, through multiple sets of cooperation, provides a more uniform pressure distribution on the rotating sleeve, ensuring stability during operation and preventing damage to parts caused by excessive friction or uneven pressure.

[0019] The present invention is further provided that the bottom ends of the multiple gripping parts are provided with bending parts.

[0020] The bent section at the bottom of the gripping unit enhances the flexibility and adaptability of the gripping function, enabling the gripping unit to operate more effectively in different working environments and improving gripping accuracy and efficiency.

[0021] (III) Beneficial Effects

[0022] Compared with the prior art, this utility model provides a zebrafish sorting device gripper, which has the following beneficial effects:

[0023] 1. The quick-release mechanism, through the insertion design of the socket and the rod, combined with the connection method of the quick-release sleeve and the rod, enables the rapid installation and disassembly of the gripping unit. Through the cooperation of the socket and the rod, the operator can easily insert the rod into the socket to quickly complete the connection or separation of the gripping unit, eliminating the cumbersome steps of disassembly using tools in traditional technology. The quick-release mechanism between the quick-release sleeve and the rod can securely fix the gripping unit during use through the cooperation of the snap-fit ​​piece and the snap-fit ​​slot, while ensuring the stability of the parts during rapid replacement. This design not only reduces operation time but also improves experimental efficiency, and is especially suitable for experimental scenarios that require frequent replacement of the gripping unit.

[0024] 2. The quick-release mechanism, through the coordinated work of components such as the sliding groove, sliding sleeve, unlocking plate, and tension spring, makes the disassembly of the gripping part simpler and more efficient. When the gripping part needs to be disassembled, the rotating sleeve is rotated to move the clearance hole, thereby driving the top rod to push the locking sleeve, releasing the limit block from being stuck, and the unlocking plate pushes the snap-fit ​​piece, finally causing the insertion rod to disengage from the slot, completing the disassembly of the gripping part. In addition, the compression spring design in the quick-release mechanism provides necessary elastic reset during the disassembly process, making the disassembly operation smoother. This design effectively reduces the reliance on tools in traditional disassembly methods, making the operation more convenient, able to quickly respond to different experimental needs, and improving experimental efficiency and flexibility.

[0025] 3. The limiting mechanism, through the cooperation of the rotating sleeve and the limiting block, effectively limits and fixes the quick-release sleeve and the insertion rod during installation and use. The design of the limiting block and the limiting groove ensures that when the quick-release sleeve rotates, the limiting block moves into the limiting groove, guaranteeing a stable connection of the insertion rod and preventing loosening or instability. Simultaneously, the design of the push spring and return spring allows the limiting block to quickly reset upon unlocking, ensuring the flexibility and reliability of the limiting mechanism. This limiting mechanism effectively improves the stability of the gripping part during use, preventing loosening of components due to prolonged use or external forces, and ensuring the accuracy and efficiency of the sorting operation. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of a zebrafish sorting device gripper according to the present invention;

[0027] Figure 2 This is a schematic diagram of the disassembled structure of the gripping part in this utility model;

[0028] Figure 3 This is a cross-sectional view of the quick-assembly mechanism in this utility model;

[0029] Figure 4 This is a cross-sectional view of the limiting mechanism in this utility model;

[0030] Figure 5 This is a cross-sectional view of the sliding sleeve in this utility model.

[0031] In the diagram: 1. Fixing part; 2. Opening and closing part; 3. Insert plate; 4. Gripping part; 5. Insertion hole; 6. Insertion rod; 7. Quick-release sleeve; 8. Snap-fit ​​piece; 9. Snap-fit ​​groove; 10. Sliding groove; 11. Sliding sleeve; 12. Inner ring; 13. Unlocking plate; 14. Outer ring; 15. Tension spring; 16. Mounting ring; 17. Limiting block; 18. Reset spring; 19. Limiting groove; 20. Locking sleeve; 21. Top rod; 22. Rotating sleeve; 23. Clearing hole; 24. Slot; 25. Positioning plate; 26. Positioning groove; 27. Pressure plate; 28. Compression spring; 29. ​​Outer plate; 30. Extrusion block; 31. Extrusion spring; 32. Bending part; 33. Push spring. Detailed Implementation

[0032] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0033] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0034] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0035] Please see Figures 1-5 A zebrafish sorting device gripper includes a fixed part 1, an opening and closing part 2 below the fixed part 1, an insertion plate 3 at the bottom of the opening and closing part 2, a gripping part 4 on the insertion plate 3, and a quick-release mechanism between the insertion plate 3 and the gripping part 4. The quick-release mechanism includes an insertion hole 5, an insertion rod 6, a quick-release sleeve 7, a snap-fit ​​piece 8, a slot 9, and a quick-release mechanism. The insertion hole 5 is located on the insertion plate 3 and the gripping part 4, the insertion rod 6 is inserted into the insertion hole 5, the quick-release sleeve 7 is located at the top of the insertion rod 6, and the snap-fit ​​piece 8 has multiple components. The quick-release mechanism includes a slide groove 10, a slide sleeve 11, an inner ring 12, an unlocking plate 13, an outer ring 14, and a tension spring 15. The slide groove 10 is provided in multiple sets distributed on the outer wall of the quick-release sleeve 7. The slide sleeve 11 slides in the slide groove 10. The inner ring 12 is installed on the inner side of the slide sleeve 11. The unlocking plate 13 is provided in multiple sets distributed on the inner wall of the inner ring 12. The outer ring 14 is located on the outer wall of the quick-release sleeve 7. The tension spring 15 is connected at both ends to the outer ring 14 and the slide sleeve 11, respectively.

[0036] The quick-release sleeve 7 has a limiting mechanism on its outer wall. The limiting mechanism includes a mounting ring 16, a limiting block 17, a return spring 18, a limiting groove 19, a locking sleeve 20, a push rod 21, a rotating sleeve 22, and a clearance hole 23. The mounting ring 16 is fixed to the bottom surface of the rotating sleeve 22. The limiting block 17 has multiple sets that slide on the mounting ring 16. The return spring 18 is located at the top of the multiple sets of limiting blocks 17 and is connected to the outer wall of the mounting ring 16. The limiting groove 19 has multiple sets distributed on the outer wall of the quick-release sleeve 7. The locking sleeve 20 slides on the outer wall of the quick-release sleeve 7. The push rod 21 has multiple sets that are located on the bottom surface of the locking sleeve 20. The rotating sleeve 22 rotates on the outer wall of the quick-release sleeve 7. The clearance hole 23 has multiple sets distributed on the rotating sleeve 22.

[0037] The bottom of the gripping part 4 has a slot 24, and the insert plate 3 is engaged in the slot 24.

[0038] The design ensures the stable fixation of the gripping part 4 through the interlocking structure of the slot 24 and the insert plate 3, making it less prone to loosening during operation and facilitating quick connection and disassembly.

[0039] The quick-release sleeve 7 has a positioning plate 25 on its inner wall and a positioning groove 26 on the outer side of the insertion rod 6. The positioning plate 25 and the positioning groove 26 are provided in multiple sets and are slidably connected.

[0040] The multiple sliding connections between the positioning plate 25 and the positioning groove 26 provide precise docking between the insertion rod 6 and the quick-release sleeve 7, enabling them to connect firmly and accurately during rapid assembly, thus improving assembly efficiency and precision.

[0041] The quick-release sleeve 7 has a pressure plate 27 inside, and the insertion rod 6 is connected with a compression spring 28.

[0042] The pressure plate 27 and the compression spring 28 work together to ensure a tight contact between the insertion rod 6 and the quick-release sleeve 7 through the elasticity of the compression spring 28, and to provide appropriate pressure adjustment during installation or disassembly, avoiding over-tightening or loosening.

[0043] Each of the multiple sets of push rods 21 is provided with a push spring 33 on its outer side. The top of each set of push springs 33 is fixedly connected to a locking sleeve 20 and the bottom end is in contact with the rotating sleeve 22.

[0044] The design of the push rod 21 and the push spring 33 provides elastic support through the push spring 33, which enables the locking sleeve 20 and the rotating sleeve 22 to cooperate smoothly during operation. At the same time, the push spring 33 also ensures the stability of each component and prevents the components from loosening or shifting.

[0045] The quick-release sleeve 7 has an outer plate 29 on its outer wall. Multiple sets of outer plates 29 are provided. The bottom surface of the rotating sleeve 22 is provided with a compression block 30. Multiple sets of compression blocks 30 are provided, and each of them is connected to a compression spring 31 between it and multiple sets of outer plates 29.

[0046] The multiple designs of the outer plate 29, the compression block 30 and the compression spring 31 ensure that the pressure of the rotating sleeve 22 is evenly distributed during operation. The compression spring 31 provides the necessary elasticity, enhances the smoothness and reliability of assembly, and reduces wear.

[0047] The bottom of the multiple gripping parts 4 is provided with a bending part 32.

[0048] The bending part 32 changes the shape of the bottom end of the gripping part 4, enabling it to grip or manipulate objects more efficiently at specific angles or positions, thereby improving the flexibility and adaptability of the gripping function.

[0049] In this embodiment, when the gripping part 4 needs to be replaced, the rotating sleeve 22 drives the multiple sets of clearance holes 23 to move, and the compression spring 31 is compressed by the compression block 30. When the multiple sets of clearance grooves move to the bottom of the top rod 21, the locking sleeve 20 is pushed and the push spring 33 is compressed. At this time, the contact with the multiple sets of limiting blocks 17 is released. The limiting block 17 is pulled outward by the reset spring 18 so that its bottom end is disengaged from the limiting groove 19, and the limiting of the sliding sleeve 11 is released. The sliding sleeve 11 is pulled along the sliding groove 10 by the tension spring 15 and drives the multiple sets of unlocking plates 13 to push the multiple sets of snap-fit ​​pieces 8 respectively, so that the multiple sets of snap-fit ​​pieces are disengaged from the snap-fit ​​groove 9 and the snap-fit ​​of the insertion rod 6 is released. At this time, the quick-release sleeve 7 is pushed to separate from the insertion rod 6 by the elastic reset of the compression spring 28. The insertion rod 6 can be pulled out of the insertion hole 5 to disassemble the gripping part 4.

[0050] More specifically, when the gripping part 4 needs to be installed, the slot 24 is engaged with the insert plate 3, then the insert rod 6 is inserted into the insert hole 5, the quick-release sleeve 7 is inserted into the insert rod 6, and the multiple sets of positioning plates 25 are slidably positioned with the positioning groove 26. The sliding sleeve 11 is pushed to drive the multiple sets of unlocking plates 13 to release the contact with the snap-fit ​​piece 8 and stretch the tension spring 15. When the multiple sets of limiting blocks 17 move to the position of the limiting groove 19, the multiple sets of push springs 33 push the locking sleeve 20 to abut against the top of the multiple sets of limiting blocks 17 and squeeze the return spring 18. At the same time, the top rod 21 is disengaged from the relief hole 23, the rotating sleeve 22 abuts against the multiple sets of top rods 21, the insert rod 6 is inserted into the quick-release sleeve 7, and the insert rod 6 is snapped into the slot 9 by the multiple sets of snap-fit ​​pieces 8, thus completing the installation of the gripping part 4.

[0051] In summary, during the use or operation of the overall equipment: when it is necessary to replace the gripping part 4, the rotating sleeve 22 drives the multiple sets of clearance holes 23 to move, and the compression spring 31 is compressed by the compression block 30. When the multiple sets of clearance grooves move to the bottom of the top rod 21, the locking sleeve 20 is pushed and the push spring 33 is compressed. At this time, the contact with the multiple sets of limit blocks 17 is released. The limit block 17 is pulled outward by the reset spring 18 so that its bottom end is disengaged from the limit groove 19, and the limit of the sliding sleeve 11 is released. The sliding sleeve 11 is pulled along the sliding groove 10 by the tension spring 15 and drives the multiple sets of unlocking plates 13 to push the multiple sets of snap-fit ​​pieces 8 respectively, so that the multiple sets of snap-fit ​​pieces are disengaged from the snap-fit ​​groove 9 and the snap-fit ​​of the insertion rod 6 is released. At this time, the quick-release sleeve 7 is pushed apart from the insertion rod 6 by the elastic reset of the compression spring 28. The insertion rod 6 can be pulled out of the insertion hole 5 to disassemble the gripping part 4.

[0052] When the gripping part 4 needs to be installed, the slot 24 is engaged with the insert plate 3, and then the insert rod 6 is inserted into the insert hole 5. The quick-release sleeve 7 is then inserted into the insert rod 6. The multiple sets of positioning plates 25 are slidably positioned by the positioning groove 26. The sliding sleeve 11 is pushed to drive the multiple sets of unlocking plates 13 to release the contact with the snap-fit ​​piece 8 and stretch the tension spring 15. When the multiple sets of limiting blocks 17 move to the position of the limiting groove 19, the multiple sets of push springs 33 push the locking sleeve 20 to abut against the top of the multiple sets of limiting blocks 17 and squeeze the reset spring 18. At the same time, the top rod 21 disengages from the relief hole 23. The rotating sleeve 22 abuts against the multiple sets of top rods 21. The insert rod 6 is inserted into the quick-release sleeve 7 and the multiple sets of snap-fit ​​pieces 8 are engaged in the slot 9 to snap the insert rod 6, thus completing the installation of the gripping part 4.

[0053] Of all the solutions mentioned above, those involving the connection between two components can be selected according to the actual situation, such as welding, bolt and nut connection, bolt or screw connection, or other known connection methods, which will not be elaborated here. For all the fixed connections mentioned above, welding is preferred. Although embodiments of this utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A zebrafish sorting device gripper, comprising a fixing part (1), characterized in that: Below the fixing part (1) is an opening and closing part (2), and at the bottom of the opening and closing part (2) is an insert plate (3). The insert plate (3) is provided with a gripping part (4). A quick-release mechanism is provided between the insert plate (3) and the gripping part (4). The quick-release mechanism includes an insertion hole (5), an insertion rod (6), a quick-release sleeve (7), a snap-fit ​​piece (8), a slot (9), and a quick-release mechanism. The insertion hole (5) is provided on the insert plate (3) and the gripping part (4). The insertion rod (6) is inserted into the insertion hole (5). The quick-release sleeve (7) is provided at the top of the insertion rod (6). The snap-fit ​​piece (8) is provided with multiple sets distributed on the quick-release sleeve (5). 7) The inner wall, the slot (9) is set on the outer wall of the insert (6), the quick release mechanism includes the slide (10), the slide sleeve (11), the inner ring (12), the unlocking plate (13), the outer ring (14) and the tension spring (15). The slide (10) is provided with multiple sets distributed on the outer wall of the quick release sleeve (7), the slide sleeve (11) slides in the slide (10), the inner ring (12) is installed on the inner side of the slide sleeve (11), the unlocking plate (13) is provided with multiple sets distributed on the inner wall of the inner ring (12), the outer ring (14) is set on the outer wall of the quick release sleeve (7), and the tension spring (15) is connected to the outer ring (14) and the slide sleeve (11) at both ends respectively.

2. The zebrafish sorting device grabber according to claim 1, characterized in that: The quick-release sleeve (7) is provided with a limiting mechanism on its outer wall. The limiting mechanism includes an installation ring (16), a limiting block (17), a reset spring (18), a limiting groove (19), a locking sleeve (20), a top rod (21), a rotating sleeve (22), and a clearance hole (23). The installation ring (16) is fixed on the bottom surface of the rotating sleeve (22). The limiting block (17) is provided with multiple sets that slide on the installation ring (16). The reset spring (18) is provided on the top of the multiple sets of limiting blocks (17) and connected to the outer wall of the installation ring (16). The limiting groove (19) is provided with multiple sets that are distributed on the outer wall of the quick-release sleeve (7). The locking sleeve (20) slides on the outer wall of the quick-release sleeve (7). The top rod (21) is provided with multiple sets that are provided on the bottom surface of the locking sleeve (20). The rotating sleeve (22) rotates on the outer wall of the quick-release sleeve (7). The clearance hole (23) is provided with multiple sets that are distributed on the rotating sleeve (22).

3. The zebrafish sorting device grabber according to claim 2, characterized in that: The gripping part (4) has a slot (24) at its bottom end, and the insert plate (3) is engaged in the slot (24).

4. The zebrafish sorting device grabber according to claim 3, characterized in that: The quick-release sleeve (7) has a positioning plate (25) on its inner wall and a positioning groove (26) on the outer side of the insertion rod (6). The positioning plate (25) and the positioning groove (26) are provided in multiple sets and are slidably connected.

5. The zebrafish sorting device grabber according to claim 4, characterized in that: The quick-release sleeve (7) is provided with a pressure plate (27), and the insertion rod (6) is provided with a compression spring (28).

6. A zebrafish sorting device grabber according to claim 5, characterized in that: multiple sets of... Each of the top rods (21) is provided with a push spring (33), and the top of each of the multiple push springs (33) is fixedly connected to a locking sleeve (20) and the bottom end is in contact with the rotating sleeve (22).

7. The zebrafish sorting device grabber according to claim 6, characterized in that: The quick-release sleeve (7) has an outer plate (29) on its outer wall. The outer plate (29) is provided in multiple sets. The bottom surface of the rotating sleeve (22) is provided with a pressing block (30). The pressing block (30) is provided in multiple sets and is connected to the pressing spring (31) between each of the multiple sets of the outer plates (29).

8. The zebrafish sorting device grabber according to claim 7, characterized in that: The bottom end of the multiple gripping parts (4) is provided with a bending part (32).

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