Iron bucket end face cleaning transfer station structure

Abstract

The application discloses an iron bucket end face cleaning transfer station structure and relates to the technical field of iron bucket processing. The iron bucket end face cleaning transfer station structure comprises a rack and a conveying belt for conveying the iron bucket. The rack is located on one side of the conveying belt and is provided with a transfer assembly in contact with the end face of the iron bucket. A visual detection camera for detecting the printing effect is arranged above the conveying belt. The rack is provided with a transfer adjustment assembly in contact with the side wall of the steel bucket along the conveying direction of the conveying belt. The rack is provided with a cleaning assembly above the iron bucket for cleaning the end face of the iron bucket. The rack is provided with a hot air drying assembly corresponding to the end face of the printed iron bucket along the conveying direction of the conveying belt. The rack is provided with a sorting and conveying assembly electrically connected with the visual detection camera at the outlet position of the conveying belt. The components are orderly arranged along the conveying direction without manual intervention, which greatly improves the automation degree and production efficiency of the printing and processing of the end face of the iron bucket, ensures the positioning accuracy of the printing operation and the product yield.

Description

Technical Field

[0001] This application relates to the field of iron drum processing technology, and in particular to the structure of the iron drum end face cleaning and transfer station. Background Technology

[0002] Iron drums are commonly used metal packaging containers for chemical, grain and oil, and material storage and transportation. After production and molding, the end face of the iron drum needs to be printed with specifications, brand logos, parameter information and other patterns and text. End face printing is an indispensable core process in the processing of finished iron drums.

[0003] Currently, most equipment for printing the end face of iron drums in the industry adopts a split-type independent workstation layout mode, which separates the end face cleaning, pattern transfer printing, printing quality inspection, ink drying, and finished product and defective product sorting into multiple independent equipment arranged in sequence; manual transfer or additional transfer mechanisms are required between each workstation.

[0004] Regarding the aforementioned technologies, the inventors believe that the existing iron drum end-face transfer printing process is disconnected from the printing and drying processes, and the ink curing is not timely, which can easily lead to printing defects. It relies on manual inspection and sorting, which results in high labor costs, low inspection accuracy, and low production efficiency. Summary of the Invention

[0005] The purpose of this application is to provide a structure for the cleaning and transfer station on the end face of iron drums, so as to improve the existing problems of disconnect between printing and drying processes in the iron drum end face transfer operation, untimely ink curing which easily leads to printing defects, reliance on manual inspection and sorting, high labor costs, and low inspection accuracy and production efficiency.

[0006] The iron drum end-face cleaning and transfer station structure provided in this application adopts the following technical solution: The structure of the iron drum end face cleaning and transfer station includes a frame and a conveyor belt for transporting the iron drums. The frame is located on one side of the conveyor belt and has a transfer component that contacts the end face of the iron drum. A visual inspection camera for detecting the printing effect is located above the conveyor belt. The frame is also equipped with a rotation adjustment component that contacts the side wall of the iron drum along the conveying direction of the conveyor belt. The frame is also equipped with a cleaning component for cleaning the end face of the iron drum above the iron drum. The rotation adjustment component corresponds to the cleaning component. The frame is also equipped with a hot air drying component corresponding to the end face of the printed iron drum along the conveying direction of the conveyor belt. The frame is also equipped with a sorting and conveying component electrically connected to the visual inspection camera at the outlet of the conveyor belt.

[0007] By adopting the above technical solution, the frame integrates a conveyor belt, transfer components, vision inspection camera, indexing and adjustment components, cleaning components, hot air drying components, and sorting and conveying components, forming an integrated workstation structure for the entire process of iron drum end face processing. It can realize continuous operation of automatic iron drum conveying, automatic end face cleaning, precise transfer printing, online detection of printing effect, rapid ink drying, and automatic sorting of finished and defective products. The indexing and adjustment components can accurately correct the position of the iron drum, ensuring that the cleaning and transfer operations are aligned with the end face of the iron drum. All components are arranged in an orderly manner along the conveying direction, and the process is closely connected without manual intervention, which greatly improves the automation level and production efficiency of iron drum end face printing processing, while ensuring the positioning accuracy of printing operations and the product yield.

[0008] Optionally, the cleaning assembly includes a cleaning cloth that contacts the end face of the iron drum and a lower pressure roller that presses the cleaning cloth against the end face of the iron drum. The frame is provided with a mounting frame on one side of the conveyor belt. The side wall of the mounting frame is provided with a placement roller for placing the cleaning cloth and a winding roller for winding the cleaning cloth. The side wall of the mounting frame is provided with a drive cylinder for driving the lower pressure roller to move downward. The drive end of the drive cylinder is provided with a mounting seat connected to the lower pressure roller.

[0009] By adopting the above technical solution, the cleaning cloth and the lower pressure roller work together to stably press the cleaning cloth onto the end face of the iron drum, achieving the wiping and cleaning of dust and oil stains on the end face; the placement roller and the take-up roller can realize the automatic unwinding of the cleaning cloth and the rewinding of waste after use, eliminating the need for frequent manual replacement of cleaning consumables and improving the continuity of cleaning operations; the drive cylinder drives the mounting base and the lower pressure roller to move up and down, which can flexibly adjust the pressing force between the cleaning cloth and the end face of the iron drum, ensuring the cleaning fit while avoiding damage to the end face of the iron drum, making the cleaning operation more stable and the cleanliness more controllable.

[0010] Optionally, the mounting frame sidewall is slidably provided with a sliding seat connected to a drive cylinder one along the length of the conveyor belt, the mounting frame is provided with a drive cylinder two for driving the sliding seat to slide, and the mounting frame sidewall is rotatably provided with a guide roller that contacts the cleaning cloth.

[0011] By adopting the above technical solution, the sliding seat and the second drive cylinder work together to drive the cleaning component to slide along the length of the conveyor belt, adapting to the end face cleaning position of iron drums of different specifications and improving the versatility of the equipment; the guide roller can guide and tension the cleaning cloth, preventing wrinkles and deviations in the cleaning cloth during the conveying process, ensuring that the cleaning cloth and the end face of the iron drum are in flat contact, further improving the cleaning effect; the sliding adjustment and the guide are regular, so that the adaptability and operational stability of the cleaning component are improved simultaneously.

[0012] Optionally, the bottom of the conveyor belt is provided with several limiting stops that contact the side wall of the iron drum at intervals, and the frame is provided with a driving cylinder three located below the conveyor belt to drive the limiting stops to rise and contact the side wall of the iron drum.

[0013] By adopting the above technical solution, the lifting limit stop bar contacts the side wall of the iron drum, which can limit and fix the iron drum at key work stations such as cleaning and transfer printing, preventing the iron drum from shifting or shaking during transportation or operation, and ensuring the accurate operation position of each process; the drive cylinder can control the limit stop bar to rise and fall automatically. After the iron drum is in place, it rises to limit and falls to release after the operation is completed, which is suitable for the continuous operation rhythm of the assembly line, with reliable positioning and fast response, effectively improving the operation accuracy of the work station.

[0014] Optionally, the transfer assembly includes a transfer head disposed behind the cleaning assembly and an ink pad unit disposed on one side of the conveyor belt. The frame is located on one side of the conveyor belt and has a robotic arm connected to the transfer head. The frame extends upward toward the iron drum and has an extension frame. The visual inspection camera is connected to the extension frame.

[0015] By adopting the above technical solution, the robotic arm drives the printing head to move, which can achieve flexible alignment and contact between the printing head and the end face of the iron drum. It is suitable for the transfer operation of iron drum end faces of different sizes and positions. The ink pad unit continuously supplies ink to the printing head to ensure that the transferred pattern is clear and complete. The extension frame stably sets up the vision inspection camera, which can stably collect the end face image after printing, realize online real-time detection of printing quality, replace manual re-inspection, and improve the transfer accuracy and detection efficiency.

[0016] Optionally, the hot air drying assembly includes a drying mounting bracket and a hot air generator. The drying mounting bracket is located above the frame on one side of the conveyor belt, and the hot air generator is mounted on the drying mounting bracket with its air outlet facing the end face of the iron drum after visual inspection.

[0017] By adopting the above technical solution, the drying mounting bracket stably erects the hot air generator, allowing the air outlet of the hot air generator to be precisely aligned with the printed end face of the iron drum. This enables directional hot air drying of the printing ink, quickly completing the ink curing process. Timely drying can prevent problems such as ink smudging, blurring, and peeling during subsequent transportation and sorting, effectively ensuring the integrity and durability of the printed pattern on the end face of the iron drum and improving the quality of the finished product.

[0018] Optionally, the indexing and adjustment assembly includes a rotating wheel disposed at the front end of the conveyor belt and in contact with the side wall of the iron drum; a sliding frame slidably disposed toward the iron drum and connected to the rotating wheel; a drive motor for driving the rotating wheel to rotate is disposed on the sliding frame; and a drive cylinder for pushing the sliding frame closer to the iron drum is disposed on the frame.

[0019] By adopting the above technical solution, the four-pronged drive cylinder pushes the sliding frame and the rotating wheel close to and against the side wall of the iron barrel. The drive motor drives the rotating wheel to rotate, and the friction force drives the iron barrel to rotate autonomously. This can accurately adjust the corresponding position of the part to be cleaned on the end face of the iron barrel and the cleaning cloth, and realize the automatic rotation and correction of the end face of the iron barrel. There is no need to manually adjust the angle of the iron barrel. The rotation action is precise and controllable, which greatly improves the alignment accuracy and automation level of the cleaning operation.

[0020] Optionally, the frame is provided with a fixed frame at the front end of the conveyor belt, and a positioning camera is provided above the iron drum to detect the position of the iron drum end face after the iron drum is rotated and adjusted. The positioning camera is electrically connected to the drive motor, and the position of the rotation adjustment component near the cleaning component corresponds to the limit stop bar.

[0021] By adopting the above technical solution, the positioning camera collects the end face position information of the iron drum in real time after rotation, forming a closed-loop control of rotation adjustment, ensuring that the area to be cleaned on the end face of the iron drum is accurately aligned with the cleaning component, and further improving the matching accuracy of rotation and cleaning; the positioning camera is electrically connected to the drive motor to automatically control the timing of rotation stop, and the rotation adjustment component and the limit stop bar work together to position, providing double protection for the accurate position of the iron drum and avoiding cleaning and transfer failure due to rotation deviation.

[0022] Optionally, the sorting and conveying assembly includes a diversion conveyor belt disposed at the rear end of the conveyor belt and a sorting push rod disposed below the diversion conveyor belt. A linear motor module electrically connected to a vision inspection camera is disposed at the bottom of the diversion conveyor belt, and a transfer frame connected to the sorting push rod is disposed at the drive end of the linear motor module.

[0023] By adopting the above technical solution, the detection signal from the visual inspection camera controls the linear motor module, which in turn moves the sorting pusher and transfer frame. This automatically pushes the printed and unprinted drums to different conveyor paths on the sorting conveyor belt, achieving unmanned automatic sorting of finished and defective products. It eliminates the need for manual sorting, reducing labor costs and avoiding the problems of missed or incorrect sorting that occur during manual sorting, thus improving sorting efficiency and accuracy. Optionally, the transfer rack is equipped with a drive cylinder five for driving the sorting push rod to rise and fall. The drive cylinder five is electrically connected to the vision inspection camera. One set of the limit stop bar and drive cylinder three is set in the conveying direction of the diversion conveyor belt to block the iron barrel.

[0024] By adopting the above technical solutions, the lifting height of the adjustable sorting push rod of the fifth drive cylinder can be adapted to the sorting and pushing needs of iron drums of different heights, thereby improving the versatility of the sorting components; the limit bar at the diversion conveyor belt can temporarily limit the iron drums, providing a stable positioning basis for the sorting push rod to push non-conforming products, and preventing the iron drums from shifting during pushing; the fourth drive cylinder is electrically connected to the vision inspection camera to achieve linkage control, making the sorting action more precise and coordinated, and further improving the reliability of the sorting operation.

[0025] In summary, this application includes at least one of the following beneficial technical effects: 1. The indexing and adjustment components can accurately correct the position of the iron drum, ensuring that the cleaning and transfer operations are aligned with the end face of the iron drum. The components are arranged in an orderly manner along the conveying direction, and the process is closely connected. No manual intervention is required, which greatly improves the automation level and production efficiency of the printing process on the end face of the iron drum, while ensuring the positioning accuracy of the printing operation and the product yield. 2. The robotic arm drives the pad printing head to move, which can achieve flexible alignment and contact between the pad printing head and the end face of the iron drum. It is suitable for the transfer operation of iron drum end faces of different sizes and positions. The ink pad unit continuously supplies ink to the pad printing head to ensure that the transferred pattern is clear and complete. The extension frame stably sets up the vision inspection camera, which can stably capture the end face image after printing, realize online real-time inspection of printing quality, replace manual re-inspection, and improve the transfer accuracy and inspection efficiency. 3. The height of the adjustable sorting push rod driven by cylinder five can be adjusted to accommodate the sorting and pushing needs of iron drums of different heights, thus improving the versatility of the sorting components; the limit bar at the diversion conveyor belt can temporarily limit the iron drums, providing a stable positioning basis for the sorting push rod to push non-conforming products and preventing the iron drums from shifting during pushing; cylinder four driven by cylinder four is electrically connected to the vision inspection camera to achieve linkage control, making the sorting action more precise and coordinated. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the iron drum end face cleaning and transfer station; Figure 2 This is a partial schematic diagram of the cleaning components of the iron drum end face cleaning and transfer station structure; Figure 3 This is a partial sectional view of the structure of the iron drum end face cleaning and transfer station; Figure 4 This is a partial schematic diagram of the sorting and conveying components of the iron drum end-face cleaning and transfer station structure.

[0027] In the diagram, 1. Frame; 11. Conveyor belt; 12. Mounting frame; 13. Limit bar; 14. Drive cylinder three; 15. Extension frame; 16. Fixing frame; 161. Positioning camera; 2. Iron drum; 3. Transfer assembly; 31. Transfer head; 32. Ink pad unit; 33. Robotic arm; 4. Vision inspection camera; 5. Indexing adjustment assembly; 51. Rotating wheel; 52. Sliding frame; 53. Drive motor; 54. Drive cylinder four; 6. Cleaning assembly. 61. Cleaning cloth; 62. Lower pressure roller; 621. Drive cylinder one; 622. Mounting seat; 63. Placement roller; 64. Rewinding roller; 65. Sliding seat; 66. Drive cylinder two; 67. Guide roller; 7. Hot air drying assembly; 71. Drying mounting bracket; 72. Hot air generator; 8. Sorting and conveying assembly; 81. Diverting conveyor belt; 82. Sorting push rod; 83. Linear motor module; 831. Transfer frame; 84. Drive cylinder five. Detailed Implementation

[0028] The following is in conjunction with the appendix Figure 1 - Appendix Figure 4 This application will be described in further detail below.

[0029] The structure of the iron drum end face cleaning and transfer station is as follows: Figure 1 , Figure 2 and Figure 4 The system includes a frame 1 and a conveyor belt 11 for conveying iron drums 2. Along the conveying direction of the conveyor belt 11, the frame 1 is arranged with a rotation adjustment assembly 5, a cleaning assembly 6, a transfer assembly 3, a vision inspection camera 4, a hot air drying assembly 7, and a sorting and conveying assembly 8. Each assembly is installed on the frame 1 and forms a continuous working station around the conveyor belt 11. The conveyor belt 11 is used to carry and convey the iron drums 2 to be processed. Several liftable limit bars 13 are set at intervals at the bottom of the conveyor belt 11. The limit bars 13 are driven to rise and fall by a drive cylinder 3 14 connected to an air source below the conveyor belt 11. When the iron drum 2 is conveyed to the corresponding working station, the limit bar 13 rises and contacts the side wall of the iron drum 2 to fix the iron drum 2. After the operation is completed, the limit bar 13 is lowered and the iron drum 2 continues to be conveyed forward.

[0030] Reference Figure 1 and Figure 3The indexing adjustment component 5 is located at the front end of the conveyor belt 11. The indexing adjustment component 5 includes a rotating wheel 51 that contacts the side wall of the iron drum 2. The rotating wheel 51 is connected to a drive motor 53 that is electrically connected to a power source and drives its rotation. The drive motor 53 and the rotating wheel 51 are mounted on a sliding frame 52. The sliding frame 52 is slidably connected to the frame 1 through a guide rail and a slider. The frame 1 is equipped with a drive cylinder 54 that pushes the sliding frame 52 closer to the iron drum 2. After the drive component pushes the rotating wheel 51 to fit against the side wall of the iron drum 2, the drive motor 53 drives the rotating wheel 51 to rotate. The friction force drives the iron drum 2 to rotate autonomously, completing the automatic adjustment of the end face position of the iron drum 2. The frame 1 is equipped with a fixed frame 16 at the front end of the conveyor belt 11. The fixed frame 16 is equipped with a detection component that detects the position of the rear end face of the iron drum 2 after indexing. The detection component is electrically connected to the drive motor 53 of the indexing adjustment component 5, and controls the indexing accuracy of the iron drum 2 in real time through a closed loop.

[0031] Reference Figure 1 , Figure 2 and Figure 3 The cleaning component 6 is set in accordance with the indexing and adjustment component 5. The cleaning component 6 includes a cleaning cloth 61 that contacts the end face of the iron drum 2. A mounting frame 12 is installed on one side of the conveyor belt 11 on the frame 1. A placement roller 63 for placing the cleaning cloth 61 and a take-up roller 64 for rewinding the used cleaning cloth 61 are rotatably mounted on the mounting frame 12. The placement roller 63 and the take-up roller 64 are driven to rotate by a servo motor installed inside the mounting frame 12. A guide roller 67 that contacts the cleaning cloth 61 is rotatably mounted on the side wall of the mounting frame 12 for tensioning and... The guide cleaning cloth 61; the mounting frame 12 has a sliding seat 65 slidably mounted on the side wall via a guide rail. The sliding seat 65 is driven by a second driving cylinder 66 installed in the mounting frame 12 to slide along the length of the conveyor belt 11. The sliding seat 65 is equipped with a first driving cylinder 621 that drives the lower pressure roller 62 to move downward. The lower pressure roller 62 is connected to the driving end of the first driving cylinder 621. The downward movement of the lower pressure roller 62 stably presses the cleaning cloth 61 onto the end face of the iron drum 2, and the movement of the sliding seat 65 is used to wipe and clean the end face of the iron drum 2.

[0032] Reference Figure 1 and Figure 3 The transfer component 3 is located behind the cleaning component 6. The transfer component 3 includes a transfer head 31 and an ink pad unit 32. The transfer head 31 is installed at the end of the robotic arm 33 above the frame 1. The robotic arm 33 drives the transfer head 31 to move to the ink pad unit 32 to pick up ink, and then aligns and adheres to the end face of the iron drum 2 to complete the pattern transfer operation. An extension frame 15 is provided on the frame 1 extending upward toward the iron drum 2. A vision inspection camera 4 is installed on the extension frame 15. The camera lens is aimed at the end face of the iron drum 2 after transfer, and the printing image is collected in real time and the printing effect is judged.

[0033] Reference Figure 1 and Figure 3The hot air drying assembly 7 is located behind the vision inspection camera 4. The hot air drying assembly 7 includes a drying mounting bracket 71 and a hot air generator 72. The drying mounting bracket 71 is fixed on the frame 1 on one side of the conveyor belt 11. The hot air generator 72 is mounted on the drying mounting bracket 71, and the air outlet is precisely directed toward the end face of the printed iron barrel 2 to instantly cure and dry the ink.

[0034] Reference Figure 1 and Figure 4 The sorting and conveying assembly 8 is located at the exit of the conveyor belt 11. The sorting and conveying assembly 8 includes a diversion conveyor belt 81 and a sorting push rod 82. A linear motor module 83 is installed below the diversion conveyor belt 81. The drive end of the linear motor module 83 is connected to a transfer frame 831. The sorting push rod 82 is installed on the transfer frame 831. A drive cylinder 84 is installed on the transfer frame 831 to drive the sorting push rod 82 to rise and fall. The sorting and conveying assembly 8 is electrically connected to the vision inspection camera 4. A limit stop bar 13 is also installed in the conveying direction of the diversion conveyor belt 81 to limit the iron barrel 2. When the iron barrel 2 is conveyed to the sorting station, the limit stop bar 13 rises to position and block the iron barrel 2. When the vision inspection camera 4 determines that it is a defective product, the sorting push rod 82 moves to push the iron barrel 2 to the defective product conveying path of the diversion conveyor belt 81. Qualified products are conveyed normally along the diversion conveyor belt 81.

[0035] The implementation principle of this application embodiment is as follows: The iron drum 2 is continuously conveyed forward by the conveyor belt 11. It is first conveyed to the position of the indexing and adjustment component 5. The limit stop bar 13 is raised to initially position the iron drum 2. The drive component of the indexing and adjustment component 5 pushes the rotating wheel 51 to fit against the side wall of the iron drum 2. The drive motor 53 drives the rotating wheel 51 to rotate, so that the iron drum 2 rotates autonomously. The positioning camera 161 collects the position of the end face of the iron drum 2 in real time. After the end face to be cleaned is aligned with the cleaning component 6, the indexing action is stopped, and the automatic indexing and correction of the iron drum 2 is completed. After the indexing is completed, the conveyor belt 11 carries the iron drum 2 into the position of the cleaning component 6. The second drive cylinder 66 drives the sliding seat 65 to move to the appropriate position. The lower pressure roller 62 moves down under the action of the first drive cylinder 621, and the cleaning cloth 61 is stably pressed against the end face of the iron drum 2. With the sliding of the sliding seat 65, the dust and oil stains on the end face are automatically wiped and cleaned. After cleaning, the iron drum 2 is conveyed to the transfer component 3 station. The robotic arm 33 drives the pad printing head 31 to first pick up ink from the ink pad unit 32, and then accurately align and adhere to the end face of the iron drum 2 to complete the pattern transfer printing. The printed iron drum 2 is conveyed to the bottom of the vision inspection camera 4. The camera captures the end face printing image in real time and automatically judges whether the printing is complete and whether there are any defects. The hot air generator 72 blows hot air in a direction to quickly solidify the printing ink and prevent the ink from being damaged in subsequent transfers. The dried iron drum 2 is conveyed to the sorting and conveying component 8 station. The limit bar 13 at the diversion conveyor belt 81 is raised to position the iron drum 2. The vision inspection camera 4 transmits the detection signal to the sorting component. Qualified products are conveyed normally along the diversion conveyor belt 81, and unqualified products are pushed to the defective product path of the diversion conveyor belt 81 by the sorting pusher 82 to complete the automatic sorting of finished products and defective products. The entire process of cleaning, transferring, inspecting, drying and sorting the end face of the iron drum 2 is fully automated and continuous.

[0036] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A cleaning and transfer station structure for the end face of an iron drum, characterized in that: The system includes a frame (1) and a conveyor belt (11) for conveying iron drums (2). The frame (1) is provided with a transfer component (3) on one side of the conveyor belt (11) that contacts the end face of the iron drum (2). A visual inspection camera (4) for detecting the printing effect is provided above the conveyor belt (11). The frame (1) is provided with a rotation adjustment component (5) that contacts the side wall of the iron drum (2) along the conveying direction of the conveyor belt (11). The frame (1) is provided with a cleaning component (6) for cleaning the end face of the iron drum (2) above the iron drum (2). The rotation adjustment component (5) corresponds to the cleaning component (6). The frame (1) is provided with a hot air drying component (7) corresponding to the end face of the printed iron drum (2) along the conveying direction of the conveyor belt (11). The frame (1) is provided with a sorting and conveying component (8) that is electrically connected to the visual inspection camera (4) at the outlet of the conveyor belt (11).

2. The iron drum end face cleaning and transfer station structure according to claim 1, characterized in that: The cleaning assembly (6) includes a cleaning cloth (61) that contacts the end face of the iron drum (2) and a lower pressure roller (62) that presses the cleaning cloth (61) against the end face of the iron drum (2). The frame (1) is provided with a mounting frame (12) on one side of the conveyor belt (11). The side wall of the mounting frame (12) is provided with a placement roller (63) for placing the cleaning cloth (61) and a winding roller (64) for winding the cleaning cloth (61). The side wall of the mounting frame (12) is provided with a drive cylinder (621) for driving the lower pressure roller (62) to move downward. The drive end of the drive cylinder (621) is provided with a mounting seat (622) connected to the lower pressure roller (62).

3. The iron drum end face cleaning and transfer station structure according to claim 2, characterized in that: The mounting frame (12) has a sliding seat (65) connected to the first drive cylinder (621) slidably arranged on the side wall along the length of the conveyor belt (11). The mounting frame (12) is provided with a second drive cylinder (66) for driving the sliding seat (65) to slide. The mounting frame (12) has a guide roller (67) rotatably arranged on the side wall to contact the cleaning cloth (61).

4. The iron drum end face cleaning and transfer station structure according to claim 3, characterized in that: The bottom of the conveyor belt (11) is provided with several limiting stops (13) that contact the side wall of the iron barrel (2). The frame (1) is located below the conveyor belt (11) and is provided with a driving cylinder (14) that drives the limiting stops (13) to rise and contact the side wall of the iron barrel (2).

5. The iron drum end face cleaning and transfer station structure according to claim 4, characterized in that: The transfer assembly (3) includes a transfer head (31) located behind the cleaning assembly (6) and an ink pad unit (32) located on one side of the conveyor belt (11). The frame (1) is located on one side of the conveyor belt (11) and has a robotic arm (33) connected to the transfer head (31). The frame (1) extends upward toward the iron drum (2) and has an extension frame (15). The visual inspection camera (4) is connected to the extension frame (15).

6. The iron drum end face cleaning and transfer station structure according to claim 4, characterized in that: The hot air drying assembly (7) includes a drying mounting bracket (71) and a hot air generator (72). The drying mounting bracket (71) is located above the frame (1) on one side of the conveyor belt (11). The hot air generator (72) is mounted on the drying mounting bracket (71) and its air outlet is positioned facing the end face of the iron drum (2) after visual inspection.

7. The iron drum end face cleaning and transfer station structure according to claim 5, characterized in that: The indexing and adjustment assembly (5) includes a rotating wheel (51) located at the front end of the conveyor belt (11) and in contact with the side wall of the iron drum (2). The frame (1) is slidably provided with a sliding frame (52) connected to the rotating wheel (51) and the sliding frame (52) is provided with a drive motor (53) for driving the rotating wheel (51) to rotate. The frame (1) is provided with a drive cylinder (54) for pushing the sliding frame (52) closer to the iron drum (2).

8. The iron drum end face cleaning and transfer station structure according to claim 7, characterized in that: The frame (1) is provided with a fixed frame (16) at the front end of the conveyor belt (11). The fixed frame (16) is provided with a positioning camera (161) above the iron drum (2) to detect the position of the end face of the iron drum (2) after the rotation adjustment. The positioning camera (161) is electrically connected to the drive motor (53). The position of the rotation adjustment component (5) near the cleaning component (6) corresponds to the limit stop (13).

9. The iron drum end face cleaning and transfer station structure according to claim 8, characterized in that: The sorting and conveying assembly (8) includes a diversion conveyor belt (81) located at the rear end of the conveyor belt (11) and a sorting push rod (82) located below the diversion conveyor belt (81). The bottom of the diversion conveyor belt (81) is provided with a linear motor module (83) electrically connected to a vision inspection camera (4). The drive end of the linear motor module (83) is provided with a transfer frame (831) connected to the sorting push rod (82).

10. The iron drum end face cleaning and transfer station structure according to claim 9, characterized in that: The transfer rack (831) is equipped with a fifth driving cylinder (84) for driving the sorting push rod (82) to rise and fall. The fifth driving cylinder (84) is electrically connected to the visual inspection camera (4). A set of the limit stop rods (13) and the third driving cylinder (14) are set in the conveying direction of the diversion conveyor belt (81) to block the iron barrel (2).

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