Gripping device for net disc feeding and discharging machine

Abstract

The utility model discloses a grabbing device for a net disc feeding and discharging machine, which relates to the field of mechanical manufacturing and comprises a first supporting plate, a second supporting plate, a supporting rod, a third supporting plate and a first cylinder. First air cylinders are arranged at the two ends of the middle of the first supporting plate correspondingly. The first air cylinder penetrates through the first supporting plate and is fixedly connected with the second supporting plate. A grabbing assembly is fixedly connected to the lower portion of the second supporting plate. The upper end of the third supporting plate is fixedly connected with a conveying assembly. The first supporting plate is fixedly connected with the third supporting plate through a supporting rod. The first supporting plate serves as a basic supporting structure of the whole grabbing assembly device and bears and fixes other assemblies. The first air cylinders are arranged at the two ends of the middle of the first supporting plate and used for providing power and driving the second supporting plate and the grabbing assembly on the second supporting plate to move up and down, and the second supporting plate is fixedly connected with the first air cylinders, moves in the vertical direction through stretching and retracting of the air cylinders and bears the grabbing assembly.

Description

Technical Field

[0001] This utility model relates to the field of mechanical manufacturing, and in particular to a gripping device for a mesh disk loading and unloading machine. Background Technology

[0002] Currently, the production of this type of mesh disk loading and unloading equipment mainly relies on manual handling and transfer. However, manual loading and unloading often involves high labor costs, unstable operation cycles, easy fatigue of workers, and non-standard operation. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a gripping device for a mesh tray loading and unloading machine.

[0004] The main solution of this invention is to replace manual labor with automated mechanisms, thereby enhancing the stability and continuity of the production process and improving production stability.

[0005] This device consists of two motion modules: upper and lower.

[0006] The lower module is divided into Z-axis motion, Y-axis motion, and synchronous conveyor Y-axis motion. It is mainly responsible for retrieving or feeding cloud drives from the cloud drive rack.

[0007] The upper module is divided into Z-axis motion, Z-axis lifting motion, and Y-axis motion. It is mainly responsible for the actions of placing the mesh disk into the conveyor processing equipment or retrieving the mesh disk from the conveyor processing equipment.

[0008] The actions of these upper and lower modules are performed within the cloud storage machine to facilitate interaction with the cloud storage.

[0009] This wire mesh tray loading and unloading machine can perform reverse operations in the extraction and placement of wire mesh trays. The operating position can be changed and adjusted at any point within the operating range, and it is compatible with wire mesh trays of various sizes and thicknesses.

[0010] During the operation, the system achieves automatic identification, tracking, and adjustment of the cloud drive location. In production, it is convenient to use, quick to operate, stable and reliable in operation, enables unmanned production, and provides intelligent management and control of production data.

[0011] The objective of this utility model is achieved through the following technical solution:

[0012] This application provides a gripping device for a mesh storage and unloading machine, including a first support plate, a second support plate, a third support plate, a support rod, and a first cylinder; the first cylinder is respectively provided at both ends of the middle part of the first support plate; the first cylinder passes through the first support plate and is fixedly connected to the second support plate; a gripping component is fixedly connected to the lower part of the second support plate; a conveying component is fixedly connected to the upper part of the third support plate; the first support plate is fixedly connected to the third support plate through the support rod.

[0013] Furthermore, the gripping component includes a first motor, a first fixing block, and a first sliding rod or a first synchronous pulley; a plurality of first limiting blocks are fixedly connected to the lower end of the second support plate; both ends of the first sliding rod are respectively connected to the first limiting blocks; and each of the first sliding rods is provided with a first sliding element; the first fixing blocks are fixedly connected to the lower part of the second support plate; each of the first fixing blocks has a hole in its middle; a first motor is fixedly connected to the first fixing block; the first motor is connected to the first synchronous pulley through the hole in the first fixing block; a first synchronous pulley is fixedly connected to the lower part of each of the first fixing blocks; a first synchronous belt is connected to the first synchronous pulley; and a first limiting plate is fixedly connected to the first synchronous belt.

[0014] Furthermore, a first sub-plate is fixedly connected to the bottom of the first limiting plate; and the first limiting plate is fixedly connected to the middle of the upper part of the first sub-plate; the first sliding member is fixedly connected to both ends of the upper part of the first sub-plate; cylinder sliding members are fixedly connected to both ends of the bottom of the first sub-plate, and two second cylinders are installed in each cylinder sliding member; the two second cylinders are respectively installed at both ends of the cylinder sliding member; a grab hook is fixedly connected to one end of the piston rod on each of the second cylinders.

[0015] Furthermore, the conveying assembly includes a second motor, a second slide rod, a second fixed block, a rotating rod, and a second synchronous pulley; a plurality of second limiting blocks are fixedly connected to the upper end of the third support plate; both ends of the second slide rod are respectively connected to the second limiting blocks; and each second slide rod is provided with a second sliding element; the second fixed blocks are respectively fixedly connected to the third support plate; each of the second fixed blocks has a hole in its middle; a second motor is fixedly connected to the lower end of one end of the second fixed block; the second motor is connected to the second synchronous pulley through the hole in the second fixed block; a second synchronous pulley is fixedly connected to each of the second fixed blocks; a second synchronous belt is connected to the second synchronous pulley; and a second limiting plate is fixedly connected to the second synchronous belt.

[0016] Furthermore, a second auxiliary plate is fixedly connected above the second limiting plate; the top of the second limiting plate is fixedly connected to the middle part below the second auxiliary plate; the two ends below the second auxiliary plate are respectively fixedly connected to the second sliding member; the two ends above the second auxiliary plate are respectively fixedly connected to the fixing plate; a vertical support block is fixedly connected to one side of the adjacent fixing plate; holes are opened at both ends of the vertical support block; the rotating rods pass through the holes and are connected to the two ends of the rotating rods by bearings; there are at least two rotating rods; one end of one of the rotating rods is connected to a small motor; a third synchronous pulley is connected to both ends of the rotating rod; a third synchronous belt is connected to each of the third synchronous pulleys.

[0017] Furthermore, a transverse support block is provided between the two third synchronous pulleys and the third synchronous belt.

[0018] Furthermore, each of the first fixing blocks is located in the middle of an adjacent first limiting block.

[0019] Furthermore, each of the second fixing blocks is located in the middle of an adjacent second limiting block.

[0020] Furthermore, the second support plate has a notch at the end near the first motor.

[0021] Furthermore, the third support plate has a notch at one end near the second motor.

[0022] Furthermore, the vertical support blocks are connected to each other via horizontal support blocks.

[0023] The beneficial effects of this utility model are:

[0024] 1) The automated operation of the grasping component reduces the need for manual intervention, lowers labor intensity, and improves production efficiency. The addition of the conveying component further automates the transfer and processing of the network disk, enhancing the overall automation level of the production line. Automated operation reduces the time workers spend in hazardous environments, lowering the likelihood of accidents. Simultaneously, the equipment itself incorporates certain safety protection measures, such as overload protection and emergency stop devices, further enhancing safety during the production process.

[0025] 2) A first sub-plate is fixedly connected to the bottom of the first limiting plate for mounting the cylinder slide and the first cylinder. The first slide is fixedly connected to both ends of the upper part of the first sub-plate, allowing the first sub-plate to slide along the first slide rod; cylinder slides are mounted at both ends of the bottom. Two first cylinders are installed inside the cylinder slide for driving the opening and closing of the gripper hook. The first cylinder is mounted at both ends of the cylinder slide, with one end of its piston rod fixedly connected to the gripper hook for actually performing the gripping action.

[0026] 3) The transverse support blocks enhance the rigidity and stability of the transmission assembly, preventing deformation or failure caused by vibration or external forces. This improves the accuracy and reliability of the transmission system, as the presence of the transverse support blocks limits the offset and swaying of the transmission components. The evenly distributed transverse support blocks help disperse stress, extending the service life of the transmission assembly. Attached Figure Description

[0027] Figure 1 This is an overall diagram of the gripping device;

[0028] Figure 2 To capture the angled view at the top of the component;

[0029] Figure 3 To capture the angled view at the bottom of the component;

[0030] Figure 4 A slanted view at the top of the delivery component;

[0031] Figure 5 This is a perspective view of the bottom of the delivery component;

[0032] In the diagram, 1-first support plate, 2-first cylinder, 3-second support plate, 4-first motor, 5-first fixing block, 6-first sliding rod, 7-first synchronous pulley, 8-first limiting block, 9-first sliding component, 10-first synchronous belt, 11-first limiting plate, 12-first auxiliary plate, 13-cylinder sliding component, 14-second cylinder, 15-grappling hook, 16-third support plate, 17-second motor, 18-second sliding rod, 19-second fixing block, 20-rotating rod, 21-second synchronous pulley, 22-second limiting block, 23-second sliding component, 24-second synchronous belt, 25-second limiting plate, 26-second auxiliary plate, 27-fixing plate, 28-vertical support block, 29-bearing, 30-small motor, 31-third synchronous pulley, 32-third synchronous belt, 33-lateral support block, 34-support rod. Detailed Implementation

[0033] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] See Figures 1-5 This utility model provides a technical solution:

[0035] A gripping device for a wire mesh loading and unloading machine is characterized by comprising a first support plate 1, a second support plate 3, a third support plate 16, a support rod 34, and a first cylinder 2. The first support plate 1 has two first cylinders 2 respectively installed at its two ends in the middle. The first cylinders 2 pass through the first support plate 1 and are fixedly connected to the second support plate 3. A gripping assembly is fixedly connected to the lower part of the second support plate 3. A conveying assembly is fixedly connected to the upper part of the third support plate 16. The first support plate 1 is fixedly connected to the third support plate 16 via the support rod 34. The first support plate 1 serves as the basic support structure for the entire gripping assembly device, bearing and fixing other components. The first cylinders 2 are located at both ends in the middle of the first support plate 1, providing power to drive the second support plate 3 and the gripping assembly on it to move up and down. The second support plate 3 is fixedly connected to the first cylinders 2, achieving vertical movement through the extension and retraction of the cylinders, and bearing the gripping assembly. The gripping assembly is fixedly connected to the lower part of the second support plate 3 and is the key component for actually performing the gripping action, responsible for moving the wire mesh from one location to another. The third support plate 16 is fixedly connected to the first support plate 1 via support rods 34, ensuring the stability of the entire device during operation. A stable support structure helps reduce vibration and errors, improving gripping accuracy and efficiency. A conveying assembly is installed on the upper end of the third support plate 16 for horizontal transport of the mesh tray within the device. The automated operation of the gripping assembly reduces the need for manual intervention, lowers labor intensity, and improves production efficiency. The addition of the conveying assembly further automates the transport and processing of the mesh tray, enhancing the overall automation level of the production line. Automated operation reduces the time workers spend in hazardous environments, lowering the likelihood of accidents. Simultaneously, the equipment itself incorporates certain safety protection measures, such as overload protection and emergency stop devices, further enhancing safety during production.

[0036] In some embodiments, the gripping assembly includes a first motor 4, a first fixing block 5, a first sliding rod 6 or a first synchronous pulley 7; a plurality of first limiting blocks 8 are fixedly connected to the lower end of the second support plate 3; both ends of the first sliding rod 6 are respectively connected to the first limiting blocks 8; and each of the first sliding rods 6 is provided with a first sliding element 9; the first fixing blocks 5 are fixedly connected to the lower part of the second support plate 3; each of the first fixing blocks 5 has a hole in its middle; the first motor 4 is fixedly connected to the first fixing block 5; the first motor 4 is connected to the first synchronous pulley 7 through the hole in the first fixing block 5; each of the first fixing blocks 5 has a first synchronous pulley 7 fixedly connected to its lower part; a first synchronous belt 10 is connected to the first synchronous pulley 7; and a first limiting plate 11 is fixedly connected to the first synchronous belt 10; wherein, the first motor 4 is mounted on the first fixing block 5 and serves as a power source to drive the synchronous pulley and the synchronous belt to rotate. Through the precise control of the first motor 4, the precise movement of the synchronous belt and the first limiting plate 11 can be achieved, thereby controlling the precise position of the gripping hook 15. This precise control helps to improve gripping accuracy and reduce errors. The first sliding rod 6 is connected at both ends to the first limiting block 8, providing a sliding track for the first sliding member 9. The first fixing block 5 is fixedly connected to the second support plate 3, serving as the mounting base for components such as the motor and synchronous pulley. The first synchronous pulley 7 is connected to the first motor 4, transmitting power through a synchronous belt. The synchronous belt is connected to the synchronous pulley to realize the transmission of power and drive the first limiting plate 11 and the components on it to move.

[0037] In some implementations, a first sub-plate 12 is fixedly connected to the bottom of the first limiting plate 11; and the first limiting plate 11 is fixedly connected to the middle of the upper part of the first sub-plate 12; the two ends of the upper part of the first sub-plate 12 are respectively fixedly connected to the first sliding member 9; the two ends of the bottom of the first sub-plate 12 are respectively fixedly connected to the cylinder sliding member 13, and two second cylinders 14 are installed inside each cylinder sliding member 13; the two second cylinders 14 are respectively installed at both ends of the cylinder sliding member 13; the end of each second cylinder 14 with a piston rod is fixedly connected to the grab hook 15. Specifically, the first sub-plate 12 is fixedly connected to the bottom of the first limiting plate 11 for mounting the cylinder sliding member 13 and the second cylinder 14. The two ends of the upper part of the first sub-plate 12 are respectively fixedly connected to the first sliding member 9, allowing the first sub-plate 12 to slide along the first sliding rod 6; the cylinder sliding member 13 is installed at both ends of the bottom. Two second cylinders 14 are installed inside the cylinder sliding member 13 for driving the opening and closing of the grab hook 15. The second cylinder 14 is installed at both ends of the cylinder slide 13, with one end of its piston rod fixedly connected to the gripping hook 15 for actually performing the gripping action. The design of the first slide rod 6 and the first slide member 9 allows the first auxiliary plate 12 to slide freely along the slide rod, increasing the flexibility of the gripping assembly. The gripping hook 15 is driven by the cylinder and can open and close as needed to adapt to the gripping requirements of mesh trays of different shapes and sizes. The design of the sturdy fixing block and limit block ensures the stability of the gripping assembly during operation. The selection of components such as the first motor 4 and the cylinder should have high reliability to ensure long-term stable operation. Automated operation reduces manual intervention and improves gripping efficiency. The rapid response capability of the motor and cylinder makes the gripping action faster and shortens the production cycle.

[0038] In some embodiments, the conveying assembly includes a second motor 17, a second slide rod 18, a second fixing block 19, a rotating rod 20, and a second synchronous pulley 21; a plurality of second limiting blocks 22 are fixedly connected to the upper end of the third support plate 16; both ends of the second slide rod 18 are respectively connected to the second limiting blocks 22; and each of the second slide rods 18 is provided with a second sliding member 23; the second fixing blocks 19 are respectively fixedly connected to the third support plate 16; each of the second fixing blocks 19 has a hole in its middle; a second motor 17 is fixedly connected to the lower end of one end of the second fixing block 19; the second motor 17 is connected to the second synchronous pulley 21 through the hole in the second fixing block 19; a second synchronous pulley 21 is fixedly connected to each of the second fixing blocks 19; a second synchronous belt 24 is connected to the second synchronous pulley 21; a second limiting plate 25 is fixedly connected to the second synchronous belt 24; wherein, the second motor 17 serves as a power source, driving the second synchronous pulley 21 and the synchronous belt to rotate, thereby driving the movement of other parts of the conveying assembly. The second slide bar 18 is connected at both ends to the second limiting block 22, providing a sliding track for the second slide member 23 and ensuring that the second auxiliary plate 26 can move stably along the slide bar. The second fixing block 19 is fixedly connected to the third support plate 16, serving as the mounting base for components such as the second motor 17 and the second synchronous pulley 21. The second synchronous pulley 21 is connected to the second synchronous belt 24 to realize power transmission and drive the second limiting plate 25 and its components, such as the second auxiliary plate 26, to move. Through the precise control of the second motor 17, the precise movement of the synchronous belt and the second limiting plate 25 can be achieved, thereby controlling the precise position of the conveying assembly. The synchronous rotation of multiple rotating rods 20 also relies on the precise control of the motor, ensuring the stability and accuracy of the conveying. Automated operation reduces manual intervention and improves conveying efficiency. The rapid response capability of the motor and synchronous belt makes the conveying action faster and shortens the production cycle.

[0039] In some embodiments, a second sub-plate 26 is fixedly connected above the second limiting plate 25; the top of the second limiting plate 25 is fixedly connected to the middle part below the second sub-plate 26; the two ends below the second sub-plate 26 are respectively fixedly connected to second sliding members 23; the two ends of the upper part of the second sub-plate 26 are respectively fixedly connected to fixing plates 27; a vertical support block 28 is fixedly connected to one side of the adjacent fixing plate 27; holes are opened at both ends of the vertical support block 28; rotating rods 20 pass through the holes and are connected to each other, and the two ends of the rotating rods 20 are fixed by bearings 29; there are at least two rotating rods 20; one end of one of the rotating rods 20 is connected to a small motor 30; a third synchronous pulley 31 is connected to both ends of the rotating rod 20; a third synchronous belt 32 is connected to each of the third synchronous pulleys 31; and a transverse support block 33 is provided between the two second synchronous pulleys 21 and the second synchronous belt 24. The second limiting plate 25 and the second auxiliary plate 26 are as follows: The second limiting plate 25 is fixedly connected to the synchronous belt, and the second auxiliary plate 26 is fixedly connected above it. The second auxiliary plate 26 is connected to the second slide rod 18 below through the second sliding member 23, realizing movement along the slide rod. The fixed plate 27 and the vertical support block 28 are fixedly connected to the two ends of the upper part of the second auxiliary plate 26, respectively. Vertical support blocks 28 are fixedly connected to one side of adjacent fixed plates 27, providing support for the rotating rod 20. There are at least two rotating rods 20, which pass through the holes of the vertical support blocks 28 and are fixed at both ends by bearings 29 to ensure smooth rotation of the rotating rods 20. One end of one of the rotating rods 20 is connected to a small motor 30 as a rotational power source. The third synchronous pulley 31 is connected to both the rotating rods 20 and the synchronous belt, and the third synchronous pulleys 31 are connected to each other through a synchronous belt, realizing synchronous rotation of multiple rotating rods 20. The robust design of the fixed block, limiting block, and support block ensures the stability of the transmission assembly during operation. The selection of components such as motors and bearings should have high reliability to ensure long-term stable operation.

[0040] In some embodiments, a transverse support block 33 is provided between the two third synchronous pulleys 31 and the third synchronous belt 32. Its main function is to provide additional support and stability, reduce errors caused by vibration or misalignment, extend the service life of the belt and transmission components, and reduce wear caused by vibration.

[0041] In some embodiments, the first fixing blocks 5 are all located at the center of adjacent first limiting blocks 8. This location of the first fixing blocks 5 at the center of adjacent first limiting blocks 8 helps to securely fix the first slide rod 6, the first slide member 9, and related transmission components in the appropriate positions.

[0042] In some embodiments, the second fixing blocks 19 are all located in the middle of adjacent second limiting blocks 22. The second fixing blocks 19, being located in the middle of adjacent second limiting blocks 22, also serve to stably support the second slide bar 18, the second slide member 23, and other components of the conveying assembly.

[0043] In some embodiments, the second support plate 3 has a notch at one end near the first motor 4. The notch is to allow sufficient space between the motor or other transmission components for installation and operation, thus avoiding any obstruction.

[0044] In some embodiments, the third support plate 16 has a notch at one end near the second motor 17. The notch is to allow sufficient space between the motor or other transmission components for installation and operation.

[0045] In some embodiments, the vertical support blocks 28 are connected to each other by transverse support blocks 33. The transverse support blocks 33 enhance the rigidity and stability of the transmission assembly, preventing deformation or failure due to vibration or external forces. This improves the accuracy and reliability of the transmission system, and the presence of the transverse support blocks 33 limits the offset and sway of the transmission components. The evenly distributed transverse support blocks 33 help disperse stress and extend the service life of the transmission assembly.

[0046] In the description of this utility model, it should be understood that the terms "upper", "lower", "bottom", "one end", "top", "middle", "other end", "coaxial", "one side", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0047] In this utility model, unless otherwise explicitly specified and limited, the terms "setting", "installation", "connection", "fixing", "hinged" and other such terms should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0048] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above teachings or related technologies or knowledge. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.

Claims

1. A gripping device for a wire mesh loading and unloading machine, characterized in that: It includes a first support plate (1), a first cylinder (2), a second support plate (3), a third support plate (16), and a support rod (34); the first support plate (1) has a first cylinder (2) at both ends of its middle part; the first cylinder (2) passes through the first support plate (1) and is fixedly connected to the second support plate (3); a gripping component is fixedly connected to the lower part of the second support plate (3); a conveying component is fixedly connected to the upper part of the third support plate (16); the first support plate (1) is fixedly connected to the third support plate (16) through the support rod (34).

2. The gripping device for a wire mesh loading and unloading machine according to claim 1, characterized in that: The gripping assembly includes a first motor (4), a first fixing block (5), a first sliding rod (6) or a first synchronous pulley (7); a plurality of first limiting blocks (8) are fixedly connected to the lower end of the second support plate (3); the two ends of the first sliding rod (6) are respectively connected to the first limiting block (8); and a first sliding element (9) is provided on each of the first sliding rods (6); the first fixing blocks (5) are fixedly connected to the lower part of the second support plate (3); a hole is opened in the middle of each of the first fixing blocks (5); a first motor (4) is fixedly connected to the first fixing block (5); the first motor (4) is connected to the first synchronous pulley (7) through the hole opened in the first fixing block (5); a first synchronous pulley (7) is fixedly connected to the lower part of each of the first fixing blocks (5); a first synchronous belt (10) is connected to the first synchronous pulley (7); a first limiting plate (11) is fixedly connected to the first synchronous belt (10); The bottom of the first limiting plate (11) is fixedly connected to the first sub-plate (12); and the first limiting plate (11) is fixedly connected to the middle part above the first sub-plate (12); the two ends above the first sub-plate (12) are respectively fixedly connected to the first sliding member (9); the two ends at the bottom of the first sub-plate (12) are respectively fixedly connected to the cylinder sliding member (13), and two second cylinders (14) are installed in each cylinder sliding member (13); the two second cylinders (14) are respectively installed at both ends of the cylinder sliding member (13); the end of the second cylinder (14) with the piston rod is fixedly connected to the grab hook (15).

3. The gripping device for a wire mesh loading and unloading machine according to claim 1, characterized in that: The transmission assembly includes a second motor (17), a second slide rod (18), a second fixing block (19), a rotating rod (20), and a second synchronous pulley (21); the upper end of the third support plate (16) is fixedly connected to a plurality of second limiting blocks (22); the two ends of the second slide rod (18) are respectively connected to the second limiting blocks (22); and each of the second slide rods (18) is provided with a second sliding element (23); the second fixing blocks (19) are respectively fixedly connected to the third support plate (16); the... The second fixing block (19) has holes in the middle; a second motor (17) is fixedly connected to the bottom of one end of the second fixing block (19); the second motor (17) is connected to the second synchronous pulley (21) through the holes in the second fixing block (19); a second synchronous pulley (21) is fixedly connected to each of the second fixing blocks (19); a second synchronous belt (24) is connected to the second synchronous pulley (21); a second limiting plate (25) is fixedly connected to the second synchronous belt (24); A second sub-plate (26) is fixedly connected above the second limiting plate (25); the top of the second limiting plate (25) is fixedly connected to the middle part below the second sub-plate (26); the two ends below the second sub-plate (26) are respectively fixedly connected to the second sliding member (23); the two ends of the upper part of the second sub-plate (26) are respectively fixedly connected to the fixing plate (27); a vertical support block (28) is fixedly connected to one side of the adjacent fixing plate (27); holes are opened at both ends of the vertical support block (28); The rotating rods (20) pass through the holes respectively and are connected to each other, and the two ends of the rotating rods (20) are fixed by bearings (29); there are at least two rotating rods (20); one end of one of the rotating rods (20) is connected to a small motor (30); a third synchronous pulley (31) is connected to each end of the rotating rod (20); a third synchronous belt (32) is connected to each of the third synchronous pulleys (31); a transverse support block (33) is provided between the two second synchronous pulleys (21) and the second synchronous belt (24).

4. The gripping device for a wire mesh loading / unloading machine according to claim 3, characterized in that: A transverse support block (33) is provided between the two third synchronous pulleys (31) and the third synchronous belt (32).

5. The gripping device for a wire mesh loading and unloading machine according to claim 2, characterized in that: The first fixing block (5) is located in the middle of the adjacent first limiting block (8).

6. The gripping device for a mesh tray loading and unloading machine according to claim 3, characterized in that: The second fixing block (19) is located in the middle of the adjacent second limiting block (22).

7. The gripping device for a mesh tray loading and unloading machine according to claim 2, characterized in that: The second support plate (3) has a notch at one end near the first motor (4).

8. The gripping device for a wire mesh loading and unloading machine according to claim 3, characterized in that: The third support plate (16) has a notch at one end near the second motor (17).

9. A gripping device for a wire mesh loading / unloading machine according to claim 3, characterized in that: The vertical support block (28) is connected to the other vertical support block (28) by a horizontal support block (33).

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