Transfer device and automatic feeding and discharging system of drilling machine

Abstract

The utility model relates to the technical field of transportation devices, in particular to a transfer device and an automatic feeding and discharging system of a drilling machine. The transfer device comprises a transfer table, a chain type conveying assembly is arranged on the transfer table in a liftable mode, a plate clamping assembly is arranged on the chain type conveying assembly, and a fixing assembly is used for clamping a plate-shaped workpiece. The chain type conveying assembly is used for driving the plate clamping assembly to drive the plate-shaped workpiece to move in the first direction. In the embodiment of the utility model, the plate-shaped workpiece is clamped by the fixing assembly, and then the plate-shaped workpiece is conveyed to a required place by the chain type conveying assembly, so that the labor cost can be reduced, and the processing efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of transportation devices, in particular to a transfer device and an automatic loading and unloading system for a drilling rig. Background Art

[0002] With the gradual maturity of PCB board drilling machines and forming machines, the processing scale within the factory is expanding, and the need to reduce labor costs and improve the degree of automation is put on the agenda.

[0003] In the current PCB drilling process, materials are usually loaded and unloaded manually, and special operators are required to follow up production on site. Especially for PCBs with short processing time, personnel are required to load and unload materials beside the machine all the time, which has a high labor cost. Moreover, for heavy PCBs, it is difficult to carry them manually, and the handling efficiency is low. Utility Model Content

[0004] The technical problem to be solved by the utility model is: in view of the problem of low handling efficiency in the process of drilling holes in PCB boards in the prior art, a transfer device and an automatic loading and unloading system for a drilling rig are provided.

[0005] In order to solve the above technical problems, on the one hand, an embodiment of the utility model provides a transfer device, including a transfer table, a chain conveyor assembly is arranged on the transfer table, the chain conveyor assembly can be raised and lowered on the transfer table, a holding assembly is arranged on the chain conveyor assembly, the holding assembly is used to clamp a plate-like workpiece, and the chain conveyor assembly is used to drive the holding assembly to drive the plate-like workpiece to move along a first direction. In this embodiment, the plate-like workpiece can be a PCB board to be processed, or other types such as an LED board to be processed, a glass substrate, etc. At the same time, in this embodiment, the holding assembly can be a clamping plate assembly, which clamps a workpiece such as a PCB board in the vertical direction, or a caliper assembly, which clamps a workpiece such as a PCB board in the horizontal direction.

[0006] Optionally, the chain conveyor assembly includes a frame, a moving beam and a driving assembly. The frame can be raised and lowered on the transfer table. The frame is provided with a first slide rail. The moving beam can be slidably mounted on the first slide rail. The driving assembly is provided on the frame. The driving assembly is connected to the moving beam and drives the moving beam to move in a first direction. The holding assembly is provided on the moving beam. In this embodiment, the frame can be raised and lowered by means of a screw rod or the like. The first slide rails are provided at both ends of the frame of this embodiment. The moving beam is connected between the two first slide rails. The driving assembly drives the moving beam to slide on the two first slide rails in the first direction. This can make the sliding of the moving beam more stable.

[0007] Optionally, the driving assembly includes a rigid chain, a driving unit, a linkage shaft and an intermediate frame, the intermediate frame is mounted on the frame, and the linkage shaft is passed through the frame and the intermediate frame along the second direction; the first slide rails are provided at both ends of the turntable and the intermediate frame, the rigid chain is installed in the first slide rail, the driving unit is used to drive the linkage shaft to rotate, and the linkage shaft can drive the moving beam to slide along the first slide rail through the rigid chain, and the first direction is perpendicular to the second direction. In this embodiment, the rigid chain can be but is not limited to being replaced with engineering plastics or other chains that can push the PCB board, and the driving unit includes a motor drive group, a chain limiter, a push plate group, a chain storage group, a structural frame fixing group, a ball, a signal sensor and a chain transmission group. The driving assembly of this embodiment can accurately transport plate-like workpieces.

[0008] Optionally, a support table is provided in the frame, and the support table is used to support the plate-like workpiece. The extension direction of the support table is the same as the extension direction of the first slide rail, and the support table and the movable crossbeam are spaced apart in the up and down directions. In this embodiment, the support table includes two plate support members spaced apart, and during transportation, the plate-like workpiece slides on the two plate support members. By providing a support table, the present application can facilitate the limitation of the position of the plate-like workpiece, and further facilitate the transportation of the plate-like workpiece to the desired position. The movable crossbeam is erected above the support table to facilitate the clamping of the plate-like workpiece by the overtime component.

[0009] Optionally, a guiding member is provided in the support platform, and the guiding member is used for guiding the plate-like workpiece during its movement. When the plate-like workpiece is a PCB board, a guiding groove is provided on the guiding member for guiding the PCB board.

[0010] Optionally, the number of the support platforms is at least two, and at least two of the support platforms are spaced apart on the frame along the second direction, and the first direction is perpendicular to the second direction. In this embodiment, the first direction and the second direction are two directions in the horizontal plane, which are perpendicular to the up-down direction.

[0011] Optionally, the holding assembly includes a power unit and a clamping plate, the power unit is arranged on the chain conveying assembly, one end of the clamping plate has a first clamping end, the other end of the clamping plate has a second clamping end, the power unit is connected to the middle part of the clamping plate, and drives the clamping plate to move up and down so that the first clamping end or the second clamping end clamps the plate-like workpiece. In this embodiment, the power unit is preferably a diaphragm power unit, and the power unit is installed on the moving beam through a connecting plate. In this embodiment, a serration structure for increasing friction is provided on both the first clamping end and the second clamping end. At the same time, when the unprocessed plate-like workpiece is pulled into the transfer table, the first clamping end is used to clamp the workpiece and pull the workpiece into the transfer table in this embodiment. When the unprocessed plate-like workpiece is transferred from the transfer table to the temporary storage table, the second clamping end is used to clamp the workpiece and transfer the workpiece to the temporary storage table.

[0012] Optionally, the holding assembly further includes a first sensor for detecting whether the plate-like workpiece is in place and a second sensor for detecting whether the telescopic rod of the power unit is telescoped into place, and the first sensor and the second sensor are both disposed on the housing of the power unit.

[0013] According to the transfer device of this embodiment, during the conveying process of the plate-like workpiece, the plate-like workpiece is clamped by the holding assembly, and then the plate-like workpiece is transported to the desired place by the chain conveying assembly. At the same time, this embodiment enables the chain conveying assembly to clamp plate-like workpieces of different heights by arranging the chain conveying assembly on the transfer table in a liftable manner, that is, the chain conveying assembly in this embodiment can transport unprocessed plate-like workpieces of different heights to the desired place for processing, and can also transport processed plate-like workpieces to places of different heights for storage. The transfer device of this embodiment can reduce labor costs and improve processing efficiency.

[0014] On the other hand, an embodiment of the utility model provides a transfer device, including a transfer table, a temporary storage table and a chain conveyor assembly, wherein at least two layers of silos are arranged on the temporary storage table in the height direction, and the chain conveyor assembly is arranged on the transfer table. The transfer table can drive the conveyor chain conveyor assembly to rise and fall so that the chain conveyor assembly is connected with the silos on each layer of the temporary storage table, so that the chain conveyor assembly moves the plate-like workpieces in the silos into or out.

[0015] Optionally, the transfer table is provided with a first slide rail, the chain conveyor assembly is slidably connected to the first slide rail, the temporary storage table is provided with at least two layers of second slide rails along the height direction corresponding to the silo, and the first slide rail can be connected with the second slide rails of each layer, so that the chain conveyor assembly can move to the second slide rails of each layer. In this way, it is convenient for the chain conveyor assembly to pull the plate-shaped workpiece in the silo in or out. At the same time, a support table and a guide member are also provided in the silo of this embodiment.

[0016] According to the transfer device of this embodiment, during the conveying process of the plate-like workpieces, by setting up multiple layers of silos on the temporary storage table and raising and lowering the transfer table, the chain conveyor assembly can convey the plate-like workpieces in different states to the silos on different layers of the temporary storage table. For example, when the temporary storage table is provided with two layers of silos, the chain conveyor assembly can convey the unprocessed plate-like workpieces to the silo on the upper layer, and convey the processed plate-like workpieces to the silo on the lower layer.

[0017] On the other hand, an embodiment of the utility model provides an automatic loading and unloading system for a drilling rig, comprising a drilling rig, a panel matching robot, a temporary storage table, a transfer table and the above-mentioned transfer device, wherein a workbench is movably installed on the drilling rig; the temporary storage table can be raised and lowered so that each layer of the material bin on the temporary storage table is connected with the workbench, so that the chain conveyor assembly can push the plate-like workpieces in the material bin on the temporary storage table to the workbench, or move the plate-like workpieces processed on the workbench to the material bin of the temporary storage table; the panel matching robot is provided with a material box, and multiple layers of material racks are arranged in the material box, and the material box can be raised and lowered on the panel matching robot so that each layer of the material racks is flush with the chain conveyor assembly and the material bin of the temporary storage table, so that the plate-like workpieces in the material bins can be transferred to the transfer table, and then the plate-like workpieces are completely moved to the temporary storage table through the chain conveyor assembly.

[0018] According to the automatic loading and unloading system of the drilling rig of this embodiment, the delivery, processing and collection of plate-like workpieces can be automatically realized through the plate matching robot, transfer table, temporary storage table, chain conveyor assembly and drilling rig, thereby reducing labor costs and improving processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of an automatic loading and unloading system for a drilling rig provided by an embodiment of the utility model;

[0020] Figure 2 It is a structural schematic diagram of a transfer device provided by an embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of a temporary storage station provided by an embodiment of the utility model;

[0022] Figure 4 It is a structural schematic diagram of a transfer device provided by another embodiment of the utility model;

[0023] Figure 5 This is a schematic diagram of the connection relationship between the moving beam and the holding assembly provided by one embodiment of the utility model;

[0024] Figure 6 It is a structural schematic diagram of a holding assembly provided by an embodiment of the utility model;

[0025] Figure 7 It is a structural schematic diagram of a power unit provided by an embodiment of the utility model;

[0026] Figure 8 yes Figure 2 A is an enlarged view of the middle image.

[0027] The reference numerals in the specification are as follows:

[0028] 1. Transfer table; 2. Chain conveyor assembly; 3. Holding assembly; 4. Temporary storage table; 5. Drilling machine; 6. Panel distribution robot; 21. Frame; 22. Support table; 23. Guide member; 24. Driving assembly; 25. First slide rail; 26. Moving beam; 31. Power unit; 32. Clamping plate; 33. First sensor; 34. Second sensor; 41. Material bin; 42. Second slide rail; 61. Material box; 231. Guide groove; 241, intermediate frame; 242, linkage shaft; 243, rigid chain; 244, drive unit; 321, first clamping end; 322, second clamping end; 2441, motor drive member; 2442, chain limiter; 2443, push plate group; 2444, chain storage group; 2445, structural frame fixing group; 2446, ball bearing; 2447, signal sensor; 2448, chain transmission group. DETAILED DESCRIPTION

[0029] In order to make the technical problems, technical solutions and beneficial effects solved by the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] like Figure 2 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, an embodiment of the utility model provides a transfer device, including a transfer table 1, a chain conveyor assembly 2 is arranged on the transfer table 1, the chain conveyor assembly 2 is arranged on the transfer table 1 in a liftable manner, a holding assembly 3 is arranged on the chain conveyor assembly 2, the holding assembly 3 is used to clamp the plate-like workpiece, and the chain conveyor assembly 2 is used to drive the holding assembly 3 to drive the plate-like workpiece to move along a first direction. In this embodiment, the plate-like workpiece can be a PCB board to be processed, or other types such as an LED board to be processed, a glass substrate, etc. At the same time, in this embodiment, the holding assembly can be a clamp assembly to clamp the workpiece such as a PCB board in the vertical direction, or it can be a caliper assembly to clamp the workpiece such as a PCB board in the horizontal direction.

[0031] In one embodiment, the chain conveyor assembly 2 includes a frame 21, a moving beam 26 and a driving assembly 24. The frame 21 can be raised and lowered on the transfer table 1. The frame 21 is provided with a first slide rail 25. The moving beam 26 can be slidably installed on the first slide rail 25. The driving assembly 24 is provided on the frame 21. The driving assembly 24 is connected to the moving beam 26 and drives the moving beam 26 to move along a first direction. The holding assembly 3 is provided on the moving beam 26. In this embodiment, the frame 21 can be raised and lowered by means of a screw rod or the like. The first slide rails 25 are provided at both ends of the frame 21 of this embodiment. The moving beam 26 is connected between the two first slide rails 25. The driving assembly 24 drives the moving beam 26 to slide along the first direction on the two first slide rails 25. This can make the sliding of the moving beam 26 more stable.

[0032] In one embodiment, the driving assembly 24 includes a rigid chain 243, a driving unit 244, a linkage shaft 242 and an intermediate frame 241. The intermediate frame 241 is arranged on the frame, and the linkage shaft 242 is passed through the frame 21 and the intermediate frame 241 along the second direction; a first slide rail 25 is provided at both ends of the transfer table 1 and the intermediate frame 241, and the rigid chain 243 is installed in the first slide rail 25. The driving unit 244 is used to drive the linkage shaft 242 to rotate. The linkage shaft 242 can drive the moving beam 26 to slide along the first slide rail 25 through the rigid chain 243, and the first direction is perpendicular to the second direction. In this embodiment, the rigid chain 243 can be replaced by, but not limited to, engineering plastic or other chains capable of pushing the PCB board, and the driving unit 244 includes a motor driving group 2441, a chain stopper 2442, a push plate group 2443, a chain storage group 2444, a structural frame fixing group 2445, a ball bearing 2446, a signal sensor 2447, and a chain transmission group 2448. The driving assembly of this embodiment can accurately transport the plate-shaped workpiece.

[0033] In one embodiment, a support platform 22 is provided in the frame 21, and the support platform 22 is used to support the plate-like workpiece. The extension direction of the support platform 22 is the same as the extension direction of the first slide rail 25, and the support platform 22 and the moving crossbeam 26 are arranged at intervals in the vertical direction. In this embodiment, the support platform 22 includes two plate support members arranged at intervals, and during transportation, the two plate support members of the plate-like workpiece slide. By providing the support platform 22, the present application can facilitate the limitation of the position of the plate-like workpiece, and then facilitate the transportation of the plate-like workpiece to the desired position. The moving crossbeam 26 is erected above the support platform 22, which can facilitate the clamping of the plate-like workpiece by the overtime component.

[0034] In one embodiment, a guide member 23 for guiding is provided in the support platform 22, and the guide member 23 is used for guiding the plate-like workpiece during movement. When the plate-like workpiece is a PCB board, a guide groove 231 is provided on the guide member for guiding the PCB board.

[0035] In one embodiment, there are at least two support platforms 22, and at least two support platforms 22 are spaced apart on the frame 21 along the second direction, and the first direction is perpendicular to the second direction. In this embodiment, the first direction and the second direction are two directions in the horizontal plane, which are perpendicular to the up and down direction.

[0036] In one embodiment, the holding assembly 3 includes a power unit 31 and a clamping plate 32. The power unit 31 is arranged on the chain conveying assembly 2. One end of the clamping plate 32 has a first clamping end 321, and the other end of the clamping plate 32 has a second clamping end 322. The power unit 31 is connected to the middle part of the clamping plate 32, and drives the clamping plate 32 to move up and down, so that the first clamping end 321 or the second clamping end 322 clamps the plate-like workpiece. The power unit 31 is preferably a diaphragm power unit, and the power unit 31 is installed on the moving crossbeam through a connecting plate. In this embodiment, a sawtooth structure for increasing friction is provided on both the first clamping end 321 and the second clamping end 322. At the same time, when the unprocessed plate-like workpiece is pulled into the transfer table, the first clamping end 321 is used to clamp the workpiece and pull the workpiece into the transfer table 1. When the unprocessed plate-like workpiece is transferred from the transfer table 1 to the temporary storage table 4, the second clamping end 322 is used to clamp the workpiece and transfer the workpiece to the temporary storage table 4.

[0037] In one embodiment, the holding assembly 3 further includes a first sensor 33 for detecting whether the plate-like workpiece is in place and a second sensor 34 for detecting whether the telescopic rod of the power unit 31 is telescoped into place. Both the first sensor 33 and the second sensor 34 are disposed on the housing of the power unit 31 .

[0038] According to the transfer device of this embodiment, during the conveying process of the plate-like workpiece, the plate-like workpiece is clamped by the holding component 3, and then the plate-like workpiece is transported to the desired place by the chain conveying component 2. At the same time, this embodiment enables the chain conveying component 2 to clamp plate-like workpieces of different heights by arranging the chain conveying component 2 on the transfer table 1 in a liftable manner, that is, the chain conveying component 2 in this embodiment can transport unprocessed plate-like workpieces of different heights to the desired place for processing, and can also transport processed plate-like workpieces to places of different heights for storage. The transfer device of this embodiment can reduce labor costs and improve processing efficiency.

[0039] In addition, if Figure 3 and Figure 4 As shown, an embodiment of the utility model provides a transfer device, including a transfer table 1, a temporary storage table 4 and a chain conveyor assembly 2. The temporary storage table 4 is provided with at least two layers of silos 41 in the height direction. The chain conveyor assembly 2 is arranged on the transfer table 1. The transfer table 1 can drive the conveyor chain conveyor assembly to rise and fall, so that the chain conveyor assembly 2 is connected with the silos 41 of each layer of the temporary storage table 4, so that the chain conveyor assembly 2 moves the plate-shaped workpiece in the silo 41 into or out. In this embodiment, the rigid conveyor chain device can also be arranged on the transfer table 1 in a liftable manner.

[0040] In one embodiment, the transfer table 1 is provided with a first slide rail 25, the chain conveyor assembly 2 is slidably connected to the first slide rail 25, and the temporary storage table 4 is provided with at least two layers of second slide rails 42 along the height direction corresponding to the bin 41, and the first slide rail 25 can be connected with the second slide rails 42 of each layer, so that the chain conveyor assembly 2 can move to the second slide rails 42 of each layer. In this way, it is convenient for the chain conveyor assembly 2 to pull the plate-shaped workpiece in the bin 41 into or out. At the same time, the bin 41 of this embodiment is also provided with a support table 22 and a guide member 23.

[0041] According to the transfer device of this embodiment, during the conveying process of the plate-like workpieces, by setting multiple layers of bins 41 on the temporary storage table 4 and raising and lowering the transfer table 1, the chain conveyor assembly 2 can convey the plate-like workpieces in different states to the bins 41 on different layers of the temporary storage table 4. For example, when the temporary storage table 4 is provided with two layers of bins 41, the chain conveyor assembly 2 can convey the unprocessed plate-like workpieces to the bin 41 on the upper layer, and convey the processed plate-like workpieces to the bin 41 on the lower layer.

[0042] In addition, if Figure 1As shown, an embodiment of the utility model provides an automatic loading and unloading system for a drilling rig 5, comprising a drilling rig 5, a panel matching robot 6, a temporary storage table 4, a transfer table 1 and the transfer device of the above-mentioned embodiment, wherein a workbench is movably installed on the drilling rig 5; the temporary storage table 4 can be raised and lowered so that each layer of the material bin 41 on the temporary storage table 4 is connected with the workbench, so that the chain conveyor assembly 2 can push the plate-like workpiece in the material bin 41 on the temporary storage table 4 to the workbench, or pull the plate-like workpiece processed on the workbench to the material bin 41 of the temporary storage table 4; the panel matching robot 6 is provided with a material box 61, and a multi-layer material rack is arranged in the material box 61, and the material box 61 can be raised and lowered on the panel matching robot 6 so that each layer of the material rack is flush with the chain conveyor assembly 2 and the material bin 41 of the temporary storage table 4, so as to transfer the plate-like workpiece in the material rack to the transfer table 1, and then the plate-like workpiece is completely pulled to the temporary storage table 4 through the chain conveyor assembly 2.

[0043] According to the automatic loading and unloading system of the drilling rig 5 of this embodiment, the plate delivery, processing and material collection of plate-like workpieces can be automatically realized through the plate matching robot 6, the transfer table 1, the temporary storage table 4, the chain conveyor assembly 2 and the drilling rig 5, thereby reducing labor costs and improving processing efficiency.

[0044] The working process of this embodiment mainly includes:

[0045] When delivering the plate, the plate-matching robot 6 is connected at the same height as the transfer platform and the upper layer of the temporary storage table 4. The plate-matching robot 6 is first delivered to the transfer table 1, and the holding component 3 (air clamp) on the transfer table 1 extends. When the air clamp senses that the plate is in place, the air clamp retracts and clamps the plate. The chain conveyor component 2 is activated to transport the plate to the temporary storage table 4. The air clamp extends, and the chain conveyor component 2 moves forward for a distance. The air clamp is separated from the front end of the plate, and the air clamp retracts, and the chain conveyor component 2 returns to the origin. Reciprocating in sequence, when there are plates at multiple stations (preferably 6) of the temporary storage table 4, the transfer table 1 and the upper silo 41 of the temporary storage table 4 are lowered to the same height as the workbench of the drilling rig 5, and then the chain conveyor component 2 moves forward, and the air clamp extends at the same time, pushing the 6 plates together to the workbench of the drilling rig 5. After they are in place, the chain conveyor component 2 returns to the origin.

[0046] When collecting the plates, the lower material bin 41 of the transfer table 1 and the temporary storage table 4 is connected to the drilling machine 5 platform at the same height. First, the drilling machine 5 drills the hole and sends the plate out of the working table of the drilling machine 5 by a certain distance. Then all the air clamps extend, the chain conveyor assembly 2 moves forward, the air clamp senses the plate, the chain conveyor assembly 2 stops moving, the air clamp retracts, clamps the rear end of the plate, and the rigid chain moves backward. At the same time, the six plates are pulled to the temporary storage position of the temporary storage table 4. After the plates are pulled in place, the air clamp extends, and the chain conveyor assembly 2 returns to the origin. Then the lower material bin 41 of the transfer table 1 and the temporary storage table 4 rises and is connected to the same height as the plate matching robot 6. After it is in place, the chain conveyor assembly 2 moves forward, stops at the front end of the plate, the air clamp extends, and the rigid chain moves backward to push the plate into the material box 61. At the same time, the material box 61 senses the plate, and the plate collection power is started. When the rigid chain is pushed to the origin, the rigid chain stops, and the plate matching robot 6 material box 61 uses power to completely collect the plate into the material box 61. The temporary storage table 4 plates are collected into the material box 61 in sequence by reciprocating.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A transfer device, characterized in that: It includes a turntable, on which a chain conveyor assembly is arranged, the chain conveyor assembly is liftably arranged on the turntable, a holding assembly is arranged on the chain conveyor assembly, the holding assembly is used to hold a plate-like workpiece, and the chain conveyor assembly is used to drive the holding assembly to drive the plate-like workpiece to move along a first direction.

2. The transfer device according to claim 1, characterized in that: The chain conveyor assembly includes a frame, a moving beam and a driving assembly. The frame can be raised and lowered on the transfer table. The frame is provided with a first slide rail. The moving beam can be slidably installed on the first slide rail. The driving assembly is arranged on the frame. The driving assembly is connected to the moving beam and drives the moving beam to move along a first direction. The holding assembly is arranged on the moving beam.

3. The transfer device according to claim 2, characterized in that: The driving assembly includes a rigid chain, a driving unit, a linkage shaft and an intermediate frame, the intermediate frame is mounted on the frame, and the linkage shaft is passed through the frame and the intermediate frame along the second direction; the first slide rails are provided on both ends of the turntable and the intermediate frame, the rigid chain is installed in the first slide rail, the driving unit is used to drive the linkage shaft to rotate, and the linkage shaft can drive the movable beam to slide along the first slide rail through the rigid chain, and the first direction is perpendicular to the second direction.

4. The transfer device according to claim 2, characterized in that: A support platform is provided in the frame, and the support platform is used to support a plate-shaped workpiece. The extension direction of the support platform is the same as the extension direction of the first slide rail. The support platform and the moving crossbeam are spaced apart in the up-and-down direction.

5. The transfer device according to claim 4, characterized in that: A guiding member is provided in the support platform, and the guiding member is used for guiding the plate-like workpiece during its movement.

6. The transfer device according to claim 4, characterized in that: The number of the support platforms is at least two, and at least two of the support platforms are arranged on the frame at intervals along a second direction, and the first direction is perpendicular to the second direction.

7. The transfer device according to claim 1, characterized in that: The holding assembly includes a power unit and a clamping plate, wherein the power unit is arranged on the chain conveying assembly, one end of the clamping plate has a first clamping end, and the other end of the clamping plate has a second clamping end. The power unit is connected to the middle part of the clamping plate and drives the clamping plate to move up and down so that the first clamping end or the second clamping end clamps the plate-shaped workpiece.

8. The transfer device according to claim 1, characterized in that: The transfer device also includes a temporary storage table, and at least two layers of silos are arranged on the temporary storage table in the height direction. The transfer table can drive the conveyor chain conveying assembly to rise and fall, so that the chain conveying assembly is connected with the silos on each layer of the temporary storage table, so that the chain conveying assembly can move the plate-shaped workpieces in the silos into or out.

9. The transfer device according to claim 8, characterized in that: The transfer table is provided with a first slide rail, the chain conveyor assembly is slidably connected to the first slide rail, the temporary storage table is provided with at least two layers of second slide rails along the height direction corresponding to the silo, and the first slide rail can be connected with the second slide rails of each layer so that the chain conveyor assembly can move to the second slide rails of each layer.

10. An automatic loading and unloading system for a drilling rig, characterized in that: It includes a drilling rig, a panel matching robot, a temporary storage table, a transfer table and the transfer device described in any one of claims 1 to 9, wherein a workbench is movably installed on the drilling rig; the temporary storage table can be raised and lowered so that each layer of the material bin on the temporary storage table is connected with the workbench, so that the chain conveyor assembly can push the plate-like workpieces in the material bin on the temporary storage table to the workbench, or move the plate-like workpieces processed on the workbench to the material bin on the temporary storage table; the panel matching robot is provided with a material box, and multiple layers of material racks are arranged in the material box, and the material box can be raised and lowered on the panel matching robot so that each layer of the material racks is flush with the chain conveyor assembly and the material bin of the temporary storage table, so as to move the plate-like workpieces in the material racks to the transfer table, and then the plate-like workpieces are completely moved to the temporary storage table through the chain conveyor assembly.

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