A plate turning unit, a turning mechanism and a feeding device

Abstract

The utility model discloses a kind of board turnover unit, turnover mechanism and feeding device, board turnover unit includes mounting bracket, turnover drive module being set on mounting bracket and the load clamping module being driven around horizontal shaft rotation by turnover drive module, load clamping module includes rotating stand, the clamping component being set in rotating stand left and right two ends and clamped in the both sides of board and the normalizing component being set on rotating stand and normalizing board;Board turnover mechanism includes first base and above-mentioned board turnover unit;Board feeding device includes above-mentioned board turnover mechanism, first feeding unit, second feeding unit and handling unit of handling material. The utility model can complete the turnover action of board, can guarantee the stability of board in rotating process, can solve the problem of falling when board is turned over, also can avoid position to deviate when board is fed, can be adapted to different length boards, improve feeding efficiency.

Description

Technical Field

[0001] This utility model belongs to the field of photovoltaic module technology, and in particular relates to a panel flipping unit, a flipping mechanism and a feeding device. Background Technology

[0002] When packaging photovoltaic (PV) modules, pallets are required. First, partitions are placed on the pallets, and then PV modules are placed on the partitions. This process is repeated, with partitions and PV modules stacked sequentially. Partitions are needed to separate the pallets from the PV modules and between every two layers of PV modules to prevent friction and scratches between the modules. After stacking a set number of PV modules, the stack is then strapped and packaged to form a package of PV modules. Therefore, each package of PV modules requires a pallet. When loading onto the pallet, the front side of the pallet should be facing up. However, when the pallet arrives, it may be facing up or down. Manually flipping the pallets is labor-intensive and inefficient. There is an urgent need to design a pallet loading mechanism that can also flip the pallets.

[0003] In the prior art, a photovoltaic module glass loading device disclosed in Chinese Patent Publication No. CN222573643U can complete the pallet handling, but it cannot perform the pallet flipping action. A previously filed application (No. 2024223405849) describes a versatile flexible double-glass module laminating device that uses a six-axis robot to flip the photovoltaic modules. However, due to the greater weight of the pallets, there is a risk of the pallets falling when the robot's end effector grips the pallets and performs the flipping action in mid-air. Furthermore, a falling pallet could damage other mechanisms and equipment.

[0004] Therefore, in order to address the above-mentioned problems, it is necessary to provide a sheet metal flipping unit, a flipping mechanism, and a feeding device to solve the aforementioned technical issues. Utility Model Content

[0005] The main purpose of this utility model is to provide a board flipping unit that can complete the flipping action of the board, ensure the stability of the board during rotation, solve the problem of the board falling when flipping, and prevent the board from shifting position when loading.

[0006] This utility model achieves the above-mentioned objective through the following technical solution: a sheet metal flipping unit, which includes a mounting frame, a flipping drive module disposed on the mounting frame, and a bearing clamping module driven by the flipping drive module to rotate around a horizontal axis. The bearing clamping module includes a rotating frame, clamping components disposed at the left and right ends of the rotating frame and clamping the two sides of the sheet metal, and a straightening component disposed on the rotating frame and straightening the sheet metal.

[0007] Furthermore, a rotating shaft is provided in the middle of the rotating frame, and the rotating shaft is rotatably mounted on the mounting frame via a bearing; a support shaft is provided on one side of the rotating shaft.

[0008] Furthermore, the flipping drive module includes a first drive component and a second drive component for driving the rotating frame to rotate. The first drive component and the second drive component are inclined and angled. The upper ends of the first drive component and the second drive component are rotatably mounted on the support shaft, and the lower ends are hinged to the mounting frame.

[0009] Furthermore, the first drive assembly includes a first cylinder and a first drive rod extended by the first cylinder, and the second drive assembly includes a second cylinder and a second drive rod extended by the second cylinder. The top ends of the first drive rod and the second drive rod are rotatably mounted on the support shaft. The length of the first drive rod is less than the length of the second drive rod. The lower ends of the first cylinder and the second cylinder are hinged to the mounting bracket.

[0010] Furthermore, the clamping assembly includes a first clamping block clamping the upper surface of the plate, a second clamping block clamping the lower surface of the plate, a first clamping drive member driving the first clamping block to extend and retract horizontally, and a second clamping drive member driving the second clamping block to extend and retract horizontally. A limiting block for limiting the side edge of the plate is provided between the first clamping block and the second clamping block.

[0011] Furthermore, the straightening assembly includes a first straightening assembly for straightening the short side of the board and a second straightening assembly for straightening the long side of the board. Both the first straightening assembly and the second straightening assembly include a straightening plate and a straightening drive component for driving the straightening plate closer to or further away from the side of the board.

[0012] Furthermore, the rotating frame is provided with a limiting plate to limit the side edge of the plate.

[0013] The main purpose of this utility model is to provide a board flipping mechanism that can adapt to boards of different lengths, thereby improving versatility.

[0014] This utility model achieves the above objective through the following technical solution: a sheet metal flipping mechanism, comprising:

[0015] First base;

[0016] As described above, the board flipping unit has board flipping units at both the front and rear ends of the first base, namely the first board flipping unit and the second board flipping unit, and the second board flipping unit is moved back and forth at one end of the first base through a translation drive module.

[0017] The main purpose of this utility model is to provide a plate feeding device, which has a simple structure and high feeding efficiency.

[0018] This utility model achieves the above objective through the following technical solution: a plate feeding device, comprising:

[0019] Such as the board flipping mechanism mentioned above;

[0020] The first feeding unit is located on one side of the board turning mechanism;

[0021] A material handling unit is used to handle materials.

[0022] Furthermore, it also includes a second feeding unit disposed on the other side of the board flipping mechanism, and the conveying unit conveys materials among the first feeding unit, the board flipping mechanism and the second feeding unit.

[0023] Compared with the prior art, the advantages of this utility model of a sheet metal flipping unit, flipping mechanism and feeding device are as follows:

[0024] (1) The plate flipping unit can complete the plate flipping action. The second drive component of the flipping drive module is used to change the plate from a horizontal state to a vertical state, and the first drive component is used to change the plate from a vertical state to a horizontal state. The first drive component and the second drive component alternately to realize the plate flipping action. The clamping component can clamp the upper and lower surfaces on both sides of the plate, which can ensure the stability of the plate during rotation and solve the problem of the plate falling when flipping. In addition, a straightening component is set to straighten the side of the plate, which can prevent the plate from shifting position when loading.

[0025] (2) The first plate flipping unit and the second plate flipping unit at the front and rear ends of the first base of the plate flipping mechanism. The second plate flipping unit is set at one end of the first base through a translation drive module. The translation drive module can enable the second plate flipping unit to move back and forth, which can adapt to plates of different lengths and improve the versatility of the plate flipping mechanism.

[0026] (3) The board feeding device can flip the pallet and place a partition paper on the front of the pallet. It can pick up the pallet and the partition paper together and complete the board feeding action, which improves production efficiency. The conveying unit can carry out conveying actions between the first feeding unit, the board flipping mechanism and the second feeding unit. Using the same gripping module, the board conveying between the first feeding unit and the board flipping mechanism and between the second feeding unit and the board flipping mechanism can be realized, which simplifies the structure of the board feeding device. Attached Figure Description

[0027] Figure 1 This is a top view schematic diagram of the sheet metal feeding device according to an embodiment of the present utility model;

[0028] Figure 2 This is a top view of the sheet metal flipping mechanism according to an embodiment of the present invention;

[0029] Figure 3 This is a three-dimensional structural diagram of the sheet metal flipping mechanism according to an embodiment of the present utility model;

[0030] Figure 4 This is a top view of the first plate flipping unit according to an embodiment of the present utility model;

[0031] Figure 5 This is a schematic diagram of the structure of the first plate flipping unit in an embodiment of the present invention;

[0032] Figure 6 This is a schematic diagram of the transport unit without the second base in an embodiment of the present invention;

[0033] Figure 7 This is a schematic diagram of the gripping module according to an embodiment of the present invention;

[0034] The numbers in the diagram represent:

[0035] 100 - Sheet metal feeding device;

[0036] 1-Sheet metal flipping mechanism, 11-First base, 12-First sheet metal flipping unit, 13-Second sheet metal flipping unit, 14-Mounting frame, 15-Flipping drive module, 151-First drive assembly, 1511-First cylinder, 1512-First drive rod, 152-Second drive assembly, 1521-Second cylinder, 1522-Second drive rod, 153-Induction check valve, 16-Bearing clamping module, 161-Rotating frame 162-Clamping assembly, 1621-First clamping block, 1622-Second clamping block, 1623-First clamping drive, 1624-Second clamping drive, 1625-Limiting block, 163-Correcting assembly, 163a-First correcting assembly, 163b-Second correcting assembly, 164-Limiting plate, 165-Rotating shaft, 166-Supporting shaft, 167-Bearing, 18-Translation drive module, 181-Second motor;

[0037] 2-First feeding unit; 3-Second feeding unit;

[0038] 4-Transfer unit, 41-Robot, 42-Grip module, 421-Grip frame, 422-Adsorption assembly, 4221-Adsorption element, 4222-Adsorption drive element, 423-Clamping assembly, 423a-Left clamping assembly, 423b-Right clamping assembly, 4231-First clamping plate, 4232-Second clamping plate, 4233-Clamping drive element, 424-First camera, 43-Second base, 44-Mounting base, 46-First motor. Detailed Implementation

[0039] Please refer to Figures 1-7 This embodiment is a board feeding device 100, which includes a board flipping mechanism 1, a first feeding unit 2 disposed on one side of the board flipping mechanism 1 for supplying boards, and a conveying unit 4 for conveying boards. In this embodiment, the board includes a pallet and a partition. A partition needs to be laid on top of the pallet. Therefore, the first feeding unit 2 supplies the pallet, and a second feeding unit 3 for supplying the partition is also disposed on the other side of the board flipping mechanism 1.

[0040] The first feeding unit 2 and the second feeding unit 3 have the same or similar structures, both having three-sided enclosures to form an enclosed space for storing stacked panels. The first feeding unit 2 has several pallets stacked on it, with the front or back facing up. The pallets need to be flipped by the panel flipping mechanism 1 to ensure the front faces up, and partitions are laid on the front of the pallets to facilitate the subsequent placement of photovoltaic modules. The second feeding unit 3 has several partitions stacked on it. In this embodiment, the panels are both pallets and partitions, and both are square panels. In other embodiments, the panel flipping mechanism 1 is also applicable to panels with other structures; the structure of the panels is not limited here.

[0041] In this embodiment, two first feeding units 2 and two second feeding units 3 are provided. The length and width dimensions of the enclosure spaces of the two first feeding units 2 can be set to be the same or different, depending on the actual situation. If the length and width dimensions of the two enclosure spaces are the same, dual-station feeding can be achieved, improving feeding efficiency. If the length and width dimensions of the two enclosure spaces are different, feeding of pallets of different sizes can be achieved, improving the versatility of the feeding mechanism. Since the size of the partition corresponds one-to-one with the size of the pallet, the enclosure space of the second feeding unit 3 is set to correspond to the enclosure space of the first feeding unit 2. In other embodiments, the first feeding unit 2 and the second feeding unit 3 can also be set to one, three, or other numbers, depending on the actual space size, and are not limited here.

[0042] The handling unit 4 includes a robot 41 and a gripping module 42 disposed at the moving end of the robot 41. The robot 41 is movably mounted on a second base 43 and mounted on a mounting base 44. In this embodiment, a first motor 46 is disposed on the mounting base 44, and a first gear is disposed at the output shaft end of the first motor 46. A first rack that meshes with the first gear is disposed on the second base 43, and a first slide rail is disposed on the second base 43 along its length. The mounting base 44 is slidably disposed on the first slide rail by a first slider. In this embodiment, the mounting base 44 is movably mounted on the second base 43 by means of gear and rack meshing transmission. In other embodiments, the mounting base 44 may also be movably mounted on the second base 43 by means of a belt or chain. The movable connection method between the mounting base 44 and the second base 43 is not limited here. In another embodiment, the second base 43 may also be configured as a ground rail. The specific structure of the second base 43 is not limited here. The second base 43 extends from the first feeding unit 2 to the second feeding unit 3, so that the gripping module 42 can move the pallet from the first feeding unit 2 to the board flipping mechanism 1, and also so that the gripping module 42 can move the pallet from the second feeding unit 3 to the board flipping mechanism 1. Therefore, by using the same gripping module 42, the board handling between the first feeding unit 2 and the board flipping mechanism 1, as well as between the second feeding unit 3 and the board flipping mechanism 1, can be realized, which simplifies the structure of the feeding device.

[0043] The gripping module 42 includes a gripping frame 421, a first camera 424 mounted on the gripping frame 421, clamping components 423 mounted on both sides of the gripping frame 421 for clamping the sides of the plate, and several adsorption components 422 mounted below the gripping frame 421. The first camera 424 can take pictures of the pallet surface. The first camera 424 is connected to a vision system. The vision system identifies the front and back of the pallet through the captured pictures. If the front of the pallet is identified as facing up, it does not need to be flipped and the partition is directly moved onto the pallet. If the back of the pallet is identified as facing up, the pallet needs to be flipped so that the front of the pallet is facing up before the partition is placed on the pallet. The adsorption components 422 include adsorption elements 4221 and adsorption driving elements 4222 that drive the adsorption elements 4221 to move up and down. The adsorption elements 4221 can be selected from one or both of suction cups and sponge suction cups. There is no limitation here. In this embodiment, a combination of suction cups and sponge suction cups is used to improve the firmness of adsorption. The clamping components 423 are arranged in pairs, namely a left clamping component 423a and a right clamping component 423b. The left clamping component 423a and the right clamping component 423b clamp the left and right sides of the plate respectively. The left clamping component 423a includes a first clamping plate 4231, and the right clamping component 423b includes a second clamping plate 4232. Both the first clamping plate 4231 and the second clamping plate 4232 extend vertically downward. In this embodiment, the second clamping plate 4232 is fixed, and the first clamping plate 4231 is movable. The gripping frame 421 is provided with a clamping drive member 4233 that drives the first clamping plate 4231 to move closer to or away from the side of the plate. In other embodiments, the second clamping plate 4232 can be movable, and the first clamping plate 4231 can be fixed; or both the first clamping plate 4231 and the second clamping plate 4232 can be movable. This can be set according to the actual situation and is not limited here. The clamping drive component 4233 can be configured as a cylinder or a servo motor, preferably a servo motor, enabling one-click switching when changing between different sized plates, thus providing versatility for the gripping module 42. Since the transport unit 4 needs to move the partition and the pallet together after the partition is placed on the front of the pallet, the adsorption component 422 adsorbs onto the surface of the partition, and the clamping components 423 clamp together on the sides of the pallet and partition, preventing the pallet and partition from separating during transport. In this embodiment, two pairs of clamping components 423 are provided to ensure clamping stability. In other embodiments, the number of clamping components 423 can be set according to actual conditions; the number of clamping components 423 is not limited here.

[0044] The board flipping mechanism 1 includes a first base 11, a first board flipping unit 12 and a second board flipping unit 13 disposed at the front and rear ends of the first base 11. Both the first board flipping unit 12 and the second board flipping unit 13 include a mounting frame 14, a flipping drive module 15 disposed on the mounting frame 14, and a bearing clamping module 16 driven by the flipping drive module 15 to rotate around a horizontal axis. The bearing clamping module 16 includes a rotating frame 161, a pair of clamping components 162 disposed at the left and right ends of the rotating frame 161 and clamping the left and right sides of the board, and a straightening component 163 disposed on the rotating frame 161 and straightening the board. A limiting plate 164 is disposed on the rotating frame 161 to limit the side edges of the board. The clamping components 162 can clamp the upper and lower surfaces of both sides of the board, ensuring the stability of the board during rotation. Furthermore, the straightening component straightens the side edges of the board, preventing positional deviation during board loading.

[0045] A rotating shaft 165 is provided in the middle of the rotating frame 161, and the rotating shaft 165 is rotatably mounted on the mounting frame 14 via a bearing 167. A support shaft 166 is provided on one side of the rotating shaft 165. The flipping drive module 15 includes a first drive assembly 151 and a second drive assembly 152 that drive alternately. The first drive assembly 151 and the second drive assembly 152 are inclined and angled. The upper ends of the first drive assembly 151 and the second drive assembly 152 are rotatably mounted on the support shaft 166, and the lower ends are hinged to the mounting frame 14. The second drive assembly 152 is used to change the board from a horizontal state to a vertical state, and the first drive assembly 151 is used to change the board from a vertical state to a horizontal state. The first drive assembly 151 and the second drive assembly 152 operate alternately to achieve the flipping action of the board.

[0046] The first drive assembly 151 includes a first cylinder 1511 and a first drive rod 1512 extended by the first cylinder 1511. The second drive assembly 152 includes a second cylinder 1521 and a second drive rod 1522 extended by the second cylinder 1521. The top ends of the first drive rod 1512 and the second drive rod 1522 are rotatably mounted on the support shaft 166, and the length of the first drive rod 1512 is less than the length of the second drive rod 1522. The lower ends of the first cylinder 1511 and the second cylinder 1521 are hinged to the mounting bracket 14. Both the first cylinder 1511 and the second cylinder 1521 are equipped with an induction check valve 153, which ensures that the rotating frame 161 will rotate due to inertia when the first cylinder 1511 and the second cylinder 1521 are exhaling, making the rotation of the rotating frame 161 more stable and preventing the rotating frame 161 from swaying left and right when the first cylinder 1511 and the second cylinder 1521 are exhaling.

[0047] In this embodiment, the support shaft 166 is located to the left of the rotation shaft 165. Correspondingly, the first drive assembly 151 is located on the left, and the second drive assembly 152 is located on the right. The second cylinder 1521 of the second drive assembly 152 drives the second drive rod 1522 to retract, causing the rotating frame 161 to rotate 90° clockwise around the horizontal axis, changing the plate from a horizontal to a vertical state. Then, the first cylinder 1511 of the first drive assembly 151 drives the first drive rod 1512 to extend, causing the rotating frame 161 to continue rotating 90° clockwise around the horizontal axis, changing the plate from a vertical to a horizontal state, thus completing the plate flipping action. That is, the flipping drive module 15 drives the rotating frame 161 to rotate 180° clockwise around the horizontal axis to complete the plate flipping action.

[0048] In other embodiments, the support shaft 166 can be positioned to the right of the rotation shaft 165. Correspondingly, the first drive assembly 151 is positioned on the right, and the second drive assembly 152 is positioned on the left. The second cylinder 1521 of the second drive assembly 152 drives the second drive rod 1522 to retract, causing the rotating frame 161 to rotate 90° counterclockwise around the horizontal axis, changing the plate from a horizontal to a vertical state. Then, the first cylinder 1511 of the first drive assembly 151 drives the first drive rod 1512 to extend, causing the rotating frame 161 to continue rotating 90° counterclockwise around the horizontal axis, changing the plate from a vertical to a horizontal state, thus completing the plate flipping action. That is, the flipping drive module 15 drives the rotating frame 161 to rotate 180° counterclockwise around the horizontal axis to complete the plate flipping action.

[0049] Therefore, the positions of the support shaft 166, the first drive assembly 151, and the second drive assembly 152 are set according to the actual situation and are not limited here.

[0050] The clamping assembly 162 includes a first clamping block 1621 clamping the upper surface of the plate, a second clamping block 1622 clamping the lower surface of the plate, a first clamping drive 1623 driving the first clamping block 1621 to extend and retract horizontally, and a second clamping drive 1624 driving the second clamping block 1622 to extend and retract horizontally. A limiting block 1625 is provided between the first clamping block 1621 and the second clamping block 1622 to limit the side edge of the plate. The thickness of the limiting block 1625 is set to conform to the thickness of the plate. The thickness of the plate includes the sum of the thickness of the pallet and the thickness of the partition.

[0051] The correction component 163 includes a first correction component 163a for correcting the short side of the board and a second correction component 163b for correcting the long side of the board. Both the first correction component 163a and the second correction component 163b include a correction plate and a correction drive component for driving the correction plate closer to or further away from the side of the board.

[0052] In this embodiment, two first alignment components 163a are provided for both the first board flipping unit 12 and the second board flipping unit 13, and they are arranged side by side in the middle of the rotating frame 161. The four first alignment components 163a work together to complete the front and back alignment of the board. One second alignment component 163b is provided for both the first board flipping unit 12 and the second board flipping unit 13. The second alignment components 163b are both located on the left side of the rotating frame 161. The two second alignment components 163b push the board to the right, and the right side of the board abuts against the limiting block 1625, completing the alignment of the left and right sides of the board. Moreover, the provision of one second alignment component 163b on each of the first board flipping unit 12 and the second board flipping unit 13 can simplify the structure of the bearing clamping module 16 and reduce the weight of the bearing clamping module 16, so as to facilitate the flipping action of the bearing clamping module 16. In other embodiments, the number and position of the first correction component 163a and the second correction component 163b are set according to the actual situation and are not limited here.

[0053] The second board flipping unit 13 is movably mounted at one end of the first base 11 via a translation drive module 18. Boards are placed on the first board flipping unit 12 and the second board flipping unit 13. The translation drive module 18 drives the second board flipping unit 13 closer to the first board flipping unit 12, so that the first board flipping unit 12 and the second board flipping unit 13 together clamp the board for subsequent flipping. Furthermore, the translation drive module 18 allows the second board flipping unit 13 to move back and forth, adapting to boards of different lengths and improving the versatility of the board flipping mechanism 1. In this embodiment, the translation drive module 18 includes a second motor 181 mounted on the mounting frame 14, a second gear mounted on the output shaft of the second motor 181, a second rack meshing with the second gear at one end of the first base 11, and several second slide rails at one end of the first base 11. The bottom of the mounting frame 14 is slidably mounted on the second slide rails via a second slider (not shown in the figure). In other embodiments, the translation drive module 18 may be configured as a motor-driven belt drive structure, thereby driving the second sheet metal flipping unit 13 to move back and forth. The structure of the translation drive module 18 is not limited here.

[0054] When using the sheet material feeding device 100 provided in this solution, the pallet is first placed on the first feeding unit 2, and the partition is placed on the second feeding unit 3. The first motor 46 drives the mounting base 44 to move the robot 41 to the first feeding unit 2. The robot 41 drives the gripping module 42 to approach the pallet and pick up a piece of the pallet. The first motor 46 drives the mounting base 44 to move the robot 41 to the sheet material flipping mechanism 1. At the same time, the clamping components 162 on the first sheet material flipping unit 12 and the second sheet material flipping unit 13 both start working, and the second clamping drive component 1624 drives the second clamping mechanism 1 to work. The first gripping block 1622 extends horizontally, while the second gripping blocks 1621 are all retracted. The robot 41 drives the grasping module 42 to place the pallet onto multiple second gripping blocks 1622. The pallet rests on the second gripping blocks. The first camera 424 takes a picture of the pallet surface. If the pallet is detected to be facing up, it does not need to be flipped, and the transport unit 4 directly transports the partition onto the pallet. If the pallet is detected to be facing down, it needs to be flipped, and the first gripping drive 1623 drives the first gripping block 1621 to extend. The first gripping block 1621 and the second gripping blocks 1622 work together... Clamped to the side of the pallet, the translation drive module 18 drives the second plate flipping unit 13 to move towards the first plate flipping unit 12, thus restricting the front and rear ends of the pallet to the limiting plate 164. Simultaneously, the first alignment component 163a and the second alignment component 163b complete the alignment of the four sides of the pallet. The second cylinder 1521 of the second drive component 152 drives the second drive rod 1522 to retract, causing the rotating frame 161 to rotate 90° clockwise around the horizontal axis, changing the pallet from a horizontal to a vertical state. Then, the first cylinder 1511 of the first drive component 151 drives the first drive rod 1512 to extend. The rotating frame 161 continues to rotate 90° clockwise around the horizontal axis, changing the pallet from a vertical to a horizontal state, completing the pallet flipping action. The first clamping drive 1623 drives the first clamping block 1621 to retract. The first motor 46 drives the mounting base 44 to move the robot 41 to the second feeding unit 3. The robot 41 drives the gripping module 42 to place the partition on the front of the pallet. The first alignment component 163a and the second alignment component 163b complete the alignment of the four sides of the pallet and the partition. The robot 41 drives the gripping module 42 to remove the pallet and the partition together for subsequent placement of photovoltaic modules on it.

[0055] The above descriptions are merely some embodiments of this utility model. For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and all such modifications and improvements fall within the protection scope of this utility model.

Claims

1. A sheet metal flipping unit, characterized in that, It includes a mounting frame, a flipping drive module mounted on the mounting frame, and a load-bearing clamping module that is driven by the flipping drive module to rotate around a horizontal axis. The load-bearing clamping module includes a rotating frame, clamping components mounted on the left and right ends of the rotating frame and clamping the sides of the plate, and a straightening component mounted on the rotating frame and straightening the plate.

2. The sheet metal flipping unit as described in claim 1, characterized in that: The rotating frame has a rotating shaft in the middle, which is rotatably mounted on the mounting frame via bearings; the rotating frame has a support shaft on one side of the rotating shaft.

3. The sheet metal flipping unit as described in claim 2, characterized in that: The flipping drive module includes a first drive component and a second drive component that drive the rotating frame to rotate. The first drive component and the second drive component are inclined and set at an angle. The upper ends of the first drive component and the second drive component are rotatably mounted on the support shaft, and the lower ends are hinged to the mounting frame.

4. The sheet metal flipping unit as described in claim 3, characterized in that: The first drive assembly includes a first cylinder and a first drive rod extended by the first cylinder. The second drive assembly includes a second cylinder and a second drive rod extended by the second cylinder. The top ends of the first drive rod and the second drive rod are rotatably mounted on the support shaft. The length of the first drive rod is less than the length of the second drive rod. The lower ends of the first cylinder and the second cylinder are hinged to the mounting bracket.

5. A sheet metal flipping unit as described in claim 1, characterized in that: The clamping assembly includes a first clamping block clamping the upper surface of the plate, a second clamping block clamping the lower surface of the plate, a first clamping drive member driving the first clamping block to extend and retract horizontally, and a second clamping drive member driving the second clamping block to extend and retract horizontally. A limiting block for limiting the side edge of the plate is provided between the first clamping block and the second clamping block.

6. The sheet metal flipping unit as described in claim 1, characterized in that: The correction component includes a first correction component for correcting the short side of the board and a second correction component for correcting the long side of the board. Both the first correction component and the second correction component include a correction plate and a correction drive component for driving the correction plate closer to or further away from the side of the board.

7. A sheet metal flipping unit as described in claim 1, characterized in that: The rotating frame is equipped with a limiting plate to limit the side of the plate.

8. A sheet metal flipping mechanism, characterized in that, It includes: First base; The board flipping unit as described in any one of claims 1 to 7, wherein the board flipping unit is provided at both the front and rear ends of the first base, namely the first board flipping unit and the second board flipping unit, and the second board flipping unit is movably disposed at one end of the first base through a translation drive module.

9. A sheet metal feeding device, characterized in that, It includes: The sheet metal flipping mechanism as described in claim 8; The first feeding unit is located on one side of the board turning mechanism; A material handling unit is used to handle materials.

10. A plate feeding device as described in claim 9, characterized in that: It also includes a second feeding unit disposed on the other side of the board flipping mechanism, and the conveying unit conveys materials between the first feeding unit, the board flipping mechanism and the second feeding unit.

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