Cylindrical workpiece cleaning, polishing and welding integrated double-station work station and working method

Abstract

The present application relates to a kind of cylindrical workpiece cleaning polishing welding integrated double-station workstation and working method, workstation includes intelligent robot, robot control cabinet, station body main control cabinet, welding torch, it further includes protective house, two roller brackets;Protective house includes first protective house, second protective house, third protective house, intelligent robot is arranged in the second protective house in middle, station body main control cabinet is respectively electrically connected with first roller shutter door, second roller shutter door to realize its movement control;Roller bracket is provided with driving roller assembly, cleaning and polishing assembly, hydraulic machine;Station body main control cabinet is respectively electrically connected with driving roller assembly, hydraulic machine to realize the movement and attitude control of roller bracket, one end of roller bracket can be lifted, cleaning and polishing assembly is connected with station body main control cabinet to realize the movement of cleaning and polishing assembly and elastic compression cylindrical workpiece.The present application realizes equipment optimization improvement and integration, and working efficiency is high, and environmental protection and economy are good.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, and in particular to a dual-station workstation and working method that integrates cleaning, grinding and welding of cylindrical workpieces. Background Technology

[0002] Welding is a common joining method in manufacturing industries such as automobiles, shipbuilding, aerospace, and heavy machinery. Especially with the development and widespread use of intelligent robots, the automation and intelligence of welding workstations are becoming increasingly sophisticated. However, the required welding workstations vary depending on the workpiece to be welded. For some large cylindrical workpieces, due to their weight and inconvenient handling, manual intervention is often required. Before welding, preparatory work such as cleaning and grinding is often necessary, requiring more equipment, occupying more space, and resulting in low work efficiency. When multiple welding stations are used, the welding fumes, arc light, and metal spatter generated during welding can undoubtedly cause harm to the human body. It is necessary to consider the human protection issues when multiple welding stations are used, especially when the workpiece is large and the space of the station is limited, making it impossible for intelligent robots to complete the welding. Therefore, it is necessary to design dedicated workstations to solve the above problems.

[0003] A Chinese utility model patent with publication number CN211661386U discloses an intelligent welding workstation that solves the environmental protection problem in the automatic welding process of workpieces. However, it cannot meet the requirements for large workpieces that require manual intervention. Moreover, the intelligent welding workstation in this patent only solves the single welding problem of small workpieces and cannot realize the integration of multiple processes such as cleaning, grinding and welding of large cylindrical workpieces. Summary of the Invention

[0004] The purpose of this invention is to provide a dual-station workstation and method for cleaning, grinding, and welding cylindrical workpieces. By utilizing the linkage control of the roller shutter doors of the two welding stations, the safety of operators is protected. The invention achieves integrated cleaning, grinding, and welding of cylindrical workpieces, reduces the number of processes, increases work efficiency, improves environmental protection, and meets the welding needs of users.

[0005] To achieve the above objectives, this invention provides an integrated dual-station workstation for cleaning, grinding, and welding cylindrical workpieces, comprising an intelligent robot, a robot control cabinet, a main control cabinet for the station body, and a welding torch. The welding torch is mounted at the end of the robotic arm of the intelligent robot. The main control cabinet for the station body is electrically connected to the robot control cabinet and the welding torch for automatic welding of workpieces using the intelligent robot. Unlike existing technologies, it also includes a protective enclosure and two roller brackets. The robot control cabinet and the main control cabinet for the station body are located outside the protective enclosure, which includes a first protective enclosure, a second protective enclosure, and a third protective enclosure. The intelligent robot is housed in the second protective enclosure, located in the middle. A first roller shutter door is provided between the first and second protective enclosures. A second roller shutter door is installed between the second and third protective rooms. The main control cabinet of the station is electrically connected to the first and second roller shutter doors to control their movement. One end of each of the two roller brackets extends into the first and third protective rooms, respectively. Each roller bracket is equipped with an active roller assembly, a cleaning and grinding assembly, and a hydraulic press. The main control cabinet of the station is electrically connected to the active roller assembly and the hydraulic press to control the movement and attitude of the roller brackets. The roller brackets can be lifted at one end by the hydraulic press. The cleaning and grinding assembly is connected to the main control cabinet of the station to control its movement and elastically press the cylindrical workpiece.

[0006] Furthermore, it also includes: a control panel, the main control cabinet of the station is electrically connected to the control panel to realize human-machine interaction control of the entire workstation, and the control panel is set outside the protective room.

[0007] Furthermore, it also includes: a chiller, a welding wire hopper, and a welding torch cleaner. The main control cabinet of the station is electrically connected to the chiller to control the chiller. The chiller is connected to the welding torch through a liquid pipeline to cool the welding torch. The welding torch cleaner is installed inside the second protective room, while the chiller and the welding wire hopper are installed outside the protective room.

[0008] Furthermore, it also includes at least one control box, which is electrically connected to the main control cabinet of the station, and the control box is located outside the protective room and mechanically connected to it.

[0009] Furthermore, the top of the protective room is equipped with a smoke collection hood, which is connected to an external dust removal system via a dust exhaust pipe.

[0010] Furthermore, the roller bracket is also provided with a driven roller assembly for realizing the rolling and support of the cylindrical workpiece.

[0011] Furthermore, it also includes: a fence, with both of the roller brackets placed inside the fence for safety protection.

[0012] A working method for a dual-station workstation integrating cleaning, grinding, and welding of cylindrical workpieces includes:

[0013] Step 1: Set the working parameters, raise the roller shutter door completely, and carry out the relevant preparatory work before cleaning, grinding and welding;

[0014] Step 2: Hoist a cylindrical workpiece onto one of the roller brackets and position it in place;

[0015] Step 3: The cylindrical workpiece from Step 2 is moved by the cleaning and polishing assembly and the cylindrical workpiece is elastically pressed. One end of the cylindrical workpiece is cleaned and polished. At the same time, the active roller assembly drives the cylindrical workpiece to rotate.

[0016] Step 4: Using the roller bracket, lift one end of the cylindrical workpiece that has been cleaned and polished in Step 3 to an angle of 40° to 50°.

[0017] Step 5: The intelligent robot controls the welding torch to perform welding operations on the cylindrical workpiece from Step 4, while the active roller assembly drives the cylindrical workpiece to rotate.

[0018] Step Six: While Step Four and Step Five are in operation, the roller shutter door of the corresponding protective room where the other roller bracket is located is lowered, and the operator performs the installation or removal of the cylindrical workpiece on the other roller bracket.

[0019] Step 7: Repeat the steps in Steps 2 to 6 to enable the intelligent robot to continuously and cross-operate on the two cleaning, grinding, and welding stations, and use the lifting and lowering of the two roller shutter doors to provide linkage protection.

[0020] The beneficial effects of the integrated dual-station workstation and method for cleaning, grinding, and welding cylindrical workpieces provided by this invention are as follows: The invention is rationally designed, utilizing a first and second roller shutter door within a protective enclosure to achieve coordinated control of safety protection for the two welding stations, significantly reducing harm to operators and improving environmental friendliness. The movement and posture control of the roller bracket enables integrated cleaning, grinding, and welding of cylindrical workpieces. The working method of this integrated dual-station workstation for cleaning, grinding, and welding cylindrical workpieces, by raising one end of the roller bracket, solves the problem of difficulty in ensuring welding angles due to the limitations of intelligent robot arms, thus ensuring welding quality. This invention achieves equipment optimization and integration, reducing processes and floor space, resulting in high work efficiency, good environmental performance, and reduced production costs, while meeting the specific welding needs of users for cylindrical workpieces. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below. Obviously, the drawings described below only relate to some embodiments of the present invention and are not intended to limit the present invention.

[0022] Figure 1 This is a partial schematic diagram of a dual-station workstation integrating cleaning, grinding, and welding of cylindrical workpieces, provided in an embodiment of the present invention.

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the protective room provided in an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the intelligent robot provided in an embodiment of the present invention;

[0025] Figure 4 This is a three-dimensional structural diagram of the roller bracket in working state provided in an embodiment of the present invention;

[0026] Figure 5 for Figure 4 Enlarged view of part A in the middle;

[0027] Figure 6 This is a schematic diagram of an integrated dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces, provided in an embodiment of the present invention.

[0028] In the picture:

[0029] 1. Intelligent robot; 2. Protective room; 21. First protective room; 22. Second protective room; 23. Third protective room; 24. First roller shutter door; 25. Second roller shutter door; 26. Fume hood; 3. Robot control cabinet; 4. Station main control cabinet; 5. Refrigeration unit; 6. Control panel; 7. Welding wire drum; 8. Roller bracket; 81. Active roller assembly; 82. Cleaning and grinding assembly; 83. Hydraulic press; 88. Driven roller assembly; 9. Gun cleaner; 10. Welding gun; 11. Control box; 12. Fence. Detailed Implementation

[0030] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the described embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0031] Unless otherwise defined, the technical or scientific terms used in this disclosure should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. It should be noted that terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," "front," and "rear," indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, terms such as "first," "second," "third," and "fourth," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0033] The following describes in detail, with reference to the accompanying drawings, an integrated dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces and its working method according to an embodiment of the present invention.

[0034] Example

[0035] Figure 1 This diagram shows a partial schematic of a dual-station workstation integrating cleaning, grinding, and welding of cylindrical workpieces, provided by an embodiment of the present invention. Figure 2 A schematic diagram of the three-dimensional structure of the protective room provided in an embodiment of the present invention is shown; Figure 3 A schematic diagram of the three-dimensional structure of the intelligent robot provided in an embodiment of the present invention is shown; Figure 4 This invention provides a three-dimensional structural diagram of the roller bracket in its working state according to an embodiment of the invention. Figure 5 It shows Figure 4 A magnified view of part A in the diagram. (See diagram below.) Figures 1 to 5As shown in the figure, the present invention provides an integrated dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces. It is mainly used for welding one end of a cylindrical workpiece, simultaneously performing pre-welding cleaning and grinding. The workstation includes an intelligent robot 1, a robot control cabinet 3, a main control cabinet 4, and a welding torch 10. The welding torch 10 is located at the end of the robotic arm of the intelligent robot 1. The main control cabinet 4 is electrically connected to the robot control cabinet 3 and the welding torch 10 to enable automatic welding of the cylindrical workpiece by driving the welding torch 10 through the intelligent robot 1. Unlike existing welding workstations, this invention… The embodiment of the present invention provides an integrated dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces, which also includes a protective chamber 2 and two roller brackets 8. Generally, the robot control cabinet 3 and the main control cabinet 4 of the workstation are located outside the protective chamber 2 for easy access and maintenance by operators. The protective chamber 2 includes a first protective chamber 21, a second protective chamber 22, and a third protective chamber 23, which divide the protective chamber 2 into three compartments arranged sequentially. The intelligent robot 1 is located in the second protective chamber 22, which is in the middle position, for easy access to the first protective chamber 21. Welding operations are performed on cylindrical workpieces in the third protective room 23. A first roller shutter door 24 is installed between the first protective room 21 and the second protective room 22, and a second roller shutter door 25 is installed between the second protective room 22 and the third protective room 23. An intelligent robot 1 equipped with a welding torch 10 can perform welding operations on the corresponding workpieces in the first protective room 21 and the third protective room 23 when either the first roller shutter door 24 or the second roller shutter door 25 is raised. The main control cabinet 4 of the station is electrically connected to the first roller shutter door 24 and the second roller shutter door 25 to realize the motion control of the first roller shutter door 24 and the second roller shutter door 25. The drive motor in the first roller shutter door 24 or the second roller shutter door 25 enables the lifting and lowering of the first roller shutter door 24 or the second roller shutter door 25, thereby realizing the connection or isolation control between the first protective room 21 and the second protective room 22, and between the second protective room 22 and the third protective room 23, which greatly reduces the harm to operators caused by welding fumes and arc light. In order to facilitate the emission of fumes, a fume hood 26 is also installed on the top of the protective room 2. The fume hood 26 is connected to the external dust removal system through a dust removal pipe, which quickly discharges the fumes inside the protective room 2 to the outside, greatly reducing the impact on operators.

[0036] Furthermore, to enable cleaning, grinding, and welding operations on one end of the cylindrical workpiece, one end of each of the two roller brackets 8 extends into the first protective chamber 21 and the third protective chamber 23, respectively. This invention is suitable for cleaning, grinding, and welding operations on one end of relatively large cylindrical workpieces. Generally, large metal cylindrical workpieces are quite heavy and are usually loaded and unloaded using overhead cranes. The roller bracket 8 is equipped with an active roller assembly 81, a cleaning and grinding assembly 82, and a hydraulic press 83. The main control cabinet 4 of the station is electrically connected to the active roller assembly 81 and the hydraulic press 83 to achieve motion and attitude control of the roller bracket 8. The active roller assembly 81 is used to support and roll the cylindrical workpiece, and at the same time, it can provide the position positioning of the cylindrical workpiece to prevent it from sliding downwards when one end of the cylindrical workpiece is lifted. The driven roller assembly 84 in the roller bracket 8 is used to realize the rolling and support of the cylindrical workpiece, and at the same time, the driven roller... Component 84 can achieve horizontal translation on the roller bracket 8, which can easily adapt to cylindrical workpieces of different lengths and expand its application. The roller bracket 8 can be lifted at one end by driving a hydraulic cylinder through a hydraulic press 83. The cleaning and grinding component 82 is connected to the main control cabinet 4 of the station to realize the movement of the cleaning and grinding component 82 and elastically press the cylindrical workpiece. Optionally, the cleaning and grinding component 82 can be driven by a motor or a cylinder. By controlling the movement of the motor or cylinder, the cleaning and grinding component 82 approaches and elastically presses the surface of the cylindrical workpiece to be treated. The cylindrical workpiece is driven to roll by the active roller component 81. The cleaning and grinding component 82 with cleaning fluid realizes the cleaning operation during the grinding process of the cylindrical workpiece, which can remove oxides and contaminants from the cylindrical workpiece, making it easier to carry out subsequent welding operations and ensuring welding quality.

[0037] The integrated dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces provided in this embodiment of the invention also includes a control screen 6. The main control cabinet 4 of the station is electrically connected to the control screen 6 to realize human-machine interaction control of the entire workstation. It can adapt to more working conditions and the degree of manual intervention in the control process. The control screen 6 is set outside the protective room 2, which makes it convenient for maintenance personnel to complete various manual settings and operations without entering the protective room 2, thereby improving the safety of the workstation. Preferably, the control screen 6 in this workstation is in the form of a touch screen.

[0038] The integrated dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces provided in this embodiment of the invention also includes: a chiller 5, a welding wire hopper 7, and a torch cleaner 9. The main control cabinet 4 of the station is electrically connected to the chiller 5 to control the chiller 5. The chiller 5 is connected to the welding torch 10 through a liquid pipeline to cool the welding torch 10. The main control cabinet 4 controls the liquid supply to the chiller 5 for cooling. For example, for arc welding, the arc welding torch generates a large amount of heat during welding. The chiller 5 provides cooling water to quickly cool the arc welding torch, ensuring its normal operation. The torch cleaner 9 is located inside the second protective room 22, allowing the intelligent robot 1 to drive the welding torch 10 to clean the welding slag on the torch 10 in a timely manner, ensuring welding quality. The welding wire hopper 7 provides a stable automatic supply of welding wire to the welding torch 10, reducing the degree of manual intervention. In terms of the spatial layout of the workstation, placing the chiller 5 and the welding wire hopper 7 outside the protective room 2 can effectively reduce the space of the protective room 2 and improve the space utilization rate of the protective room 2.

[0039] The integrated dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces provided in this embodiment of the invention further includes: at least one control box 11, which is electrically connected to the main control cabinet 4 of the station body to realize the start-stop control and emergency operation of the workstation, such as power-off operation of the workstation in an emergency; the control box 11 is located on the outside of the protective room 2 and is mechanically connected to the protective room 2. It is worth noting that the sides of the protective room 2 are generally equipped with transparent or semi-transparent materials such as tempered glass or acrylic, so that maintenance personnel can observe the internal operation of the workstation in a timely manner.

[0040] The dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces provided in this embodiment of the invention also includes: a fence 12. Figure 6 The diagram shows an overall schematic of a dual-station workstation for cleaning, grinding, and welding cylindrical workpieces, provided by an embodiment of the present invention. Both roller brackets 8 are placed within the enclosure 12 for safety protection, preventing unauthorized personnel from entering or approaching the workstation at will, thus improving the safety of the workstation.

[0041] This invention also provides a method for using a dual-station workstation integrating cleaning, grinding, and welding of cylindrical workpieces, comprising the following steps:

[0042] Step 1: Set the working parameters, raise all the roller shutter doors, and carry out the relevant preparatory work before cleaning, grinding, and welding. Step 1 here is the foundation to ensure the normal operation of the workstation.

[0043] Step 2: Hoist a cylindrical workpiece onto a roller bracket 8 and position it in place; usually, an overhead crane is used to place the cylindrical workpiece onto the roller bracket 8, and manual operation is used to ensure that the cylindrical workpiece is in place;

[0044] Step 3: The cylindrical workpiece from Step 2 is moved and elastically pressed by the cleaning and polishing assembly 82. One end of the cylindrical workpiece is cleaned and polished, while the active roller assembly 81 drives the cylindrical workpiece to roll. In this step, the main control cabinet 4 of the station needs to be used to set the corresponding timing and logic control to realize the corresponding movement of the roller bracket 8 and the rolling of the cylindrical workpiece, so as to achieve the cleaning and polishing of the cylindrical workpiece.

[0045] Step 4: Using the roller bracket 8, lift one end of the cylindrical workpiece after cleaning and polishing in Step 3 to an angle of 40° to 50°. Due to the limitations of the welding station space and the length of the robotic arm of the intelligent robot 1, one end of the cylindrical workpiece must be lifted to ensure the welding angle between the welding torch 10 and the cylindrical workpiece. If the cylindrical workpiece is in a horizontal position, this cannot be achieved with the existing station. By using the hydraulic press 83 to drive the lifting operation of one end of the roller bracket 8 in combination with the rolling of the cylindrical workpiece, the problem of ensuring the welding angle is solved. Preferably, the lifting angle of one end of the cylindrical workpiece is set to 45°. In this way, the welding problem of the cylindrical workpiece can be solved by using a small intelligent robot 1, which makes up for the insufficient arm length of the intelligent robot 1 and saves purchase costs.

[0046] Step 5: The intelligent robot 1 controls the welding torch 10 to perform welding operations on the cylindrical workpiece from step 4. At the same time, the active roller assembly 81 drives the cylindrical workpiece to rotate. In addition, the welding wire hopper 7 and the cooling machine 5 provide the welding wire supply and cooling to the welding torch 10, respectively.

[0047] Step Six: During the operations in Steps Four and Five, the roller shutter door of the corresponding protective room where the other roller bracket 8 is located falls, and the operator installs or removes the cylindrical workpiece on the other roller bracket 8. It is worth noting that when cleaning, grinding, and welding operations are required on the cylindrical workpiece in one protective room, the roller shutter door of that protective room must be kept in the raised state. When the operator performs manual operations on the cylindrical workpiece in the corresponding protective room, it must be ensured that the operator is not affected by factors such as smoke and arc light from another workstation. At this time, the logic control of the two roller shutter doors ensures that the roller shutter door corresponding to this protective room is in the lowered state.

[0048] Step 7: Repeat the steps in Steps 2 to 6 to enable the intelligent robot 1 to work continuously and crosswise on the two cleaning, grinding and welding stations. The lifting and lowering of the two roller shutter doors provides linkage protection for the operators. The fume hood 26 allows the fumes to be discharged quickly, thereby reducing the harm to the operators caused by welding fumes, arc light and metal spatter generated during welding.

[0049] Compared with existing technologies, the present invention provides a rationally designed dual-station workstation and working method for cleaning, grinding, and welding cylindrical workpieces. By utilizing a first roller shutter door 24 and a second roller shutter door 25 within the protective enclosure 2, the safety protection of the two welding stations is linked and controlled, significantly reducing harm to operators and improving environmental friendliness. The movement and posture control of the roller bracket 8 enables integrated cleaning, grinding, and welding of cylindrical workpieces. The working method of the dual-station workstation for cleaning, grinding, and welding of cylindrical workpieces provided by the present invention solves the problem of difficulty in ensuring welding angles due to the limitation of the robotic arm length of the intelligent robot 1, by raising one end of the roller bracket 8, thus ensuring welding quality. The present invention achieves equipment optimization, improvement, and integration, reducing processes and floor space, resulting in high work efficiency, good environmental performance, and reduced production costs, meeting the specific welding needs of users for cylindrical workpieces.

[0050] The following points need to be explained:

[0051] (1) Unless otherwise defined, the same reference numerals in the embodiments of the present invention and the accompanying drawings have the same meaning.

[0052] (2) The accompanying drawings of the embodiments of the present invention only involve the structures involved in the embodiments of the present invention. Other structures can refer to the general design.

[0053] (3) For clarity, some structures in the drawings used to describe embodiments of the present invention may be enlarged or reduced, that is, these drawings are not drawn to actual scale.

[0054] (4) Where there is no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other to obtain new embodiments.

[0055] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A cylindrical workpiece cleaning, polishing and welding integrated dual-station workstation, comprising an intelligent robot (1), a robot control cabinet (3), a station body main control cabinet (4), and a welding gun (10), wherein the welding gun (10) is arranged at the end of a mechanical arm of the intelligent robot (1), the station body main control cabinet (4) is electrically connected with the robot control cabinet (3) and the welding gun (10) for automatic welding of the workpiece by the intelligent robot (1); characterized in that, It also includes protective room (2), two roller bracket (8); the robot control cabinet (3), the station body main control cabinet (4) is arranged outside the protective room (2), the protective room (2) includes first protective room (21), second protective room (22), third protective room (23), the intelligent robot (1) is arranged in the second protective room (22) located in the middle position, the first protective room (21) and the second protective room (22) are provided with first roller shutter door (24), the second protective room (22) and the third protective room (23) are provided with second roller shutter door (25), the station body main control cabinet (4) is electrically connected with the first roller shutter door (24), the second roller shutter door (25) respectively to realize the movement control of the first roller shutter door (24), the second roller shutter door (25); one end of two roller bracket (8) respectively goes into the first protective room (21), the third protective room (23), the roller bracket (8) is provided with driving roller assembly (81), cleaning and polishing assembly (82), hydraulic machine (83); the station body main control cabinet (4) is electrically connected with the driving roller assembly (81), the hydraulic machine (83) respectively to realize the movement and posture control of the roller bracket (8), the roller bracket (8) can be lifted by the hydraulic machine (83) one end of the roller bracket (8) lifting operation, the cleaning and polishing assembly (82) is connected with the station body main control cabinet (4) to realize the movement of the cleaning and polishing assembly (82) and the elastic compression of cylindrical workpiece.

2. The cylindrical workpiece cleaning, polishing and welding integrated dual-station work station of claim 1, wherein, It also includes: Control screen (6), the station body main control cabinet (4) is electrically connected with the control screen (6) to realize the man-machine interaction control of the whole workstation, and the control screen (6) is arranged outside the protective room (2).

3. The cylindrical workpiece cleaning, polishing and welding integrated dual-station work station of claim 1, wherein, It also includes: Refrigerator (5), welding wire barrel (7), gun cleaner (9), the station body main control cabinet (4) is electrically connected with the refrigerator (5) to realize the control of the refrigerator (5), and the refrigerator (5) is connected with the welding gun (10) through the liquid pipeline to realize the cooling of the welding gun (10), the gun cleaner (9) is arranged in the second protective room (22), and the refrigerator (5) and the welding wire barrel (7) are arranged outside the protective room (2).

4. The cylindrical workpiece cleaning, polishing and welding integrated dual-station work station of claim 1, wherein, It also includes: Control box (11) at least one, the control box (11) is electrically connected with the station body main control cabinet (4), and the control box (11) is arranged outside the protective room (2) and is mechanically connected with the protective room (2).

5. The cylindrical workpiece cleaning, polishing and welding integrated dual-station work station of claim 1, wherein, The top of the protective room (2) is provided with a smoke hood (26), and the smoke hood (26) is connected with an external dust removal system through a dust removal pipeline.

6. The cylindrical workpiece cleaning, polishing and welding integrated dual-station work station of claim 1, wherein, The roller bracket (8) is also provided with a driven roller assembly (84) for rolling and supporting the cylindrical workpiece.

7. The cylindrical workpiece cleaning, polishing and welding integrated dual-station work station of claim 1, wherein, It also includes: Fence (12), both the roller bracket (8) are arranged in the fence (12) for safety protection.

8. A working method of a cylindrical workpiece cleaning, polishing and welding integrated dual-station work station, characterized in that, It includes: Step one: set the working parameters, all the roller shutter doors are lifted, and the related preparation work before cleaning, polishing and welding is carried out; Step two: hoist a cylindrical workpiece to a roller bracket (8) and place it in position; Step three: move the cylindrical workpiece in step two by controlling the cleaning and polishing assembly (82) to elastically press the cylindrical workpiece, and clean and polish one end of the cylindrical workpiece, while the driving roller assembly (81) drives the cylindrical workpiece to rotate; Step four: use the roller bracket (8) to lift the end of the cylindrical workpiece to an angle of 40°-50° after the cleaning and polishing of the cylindrical workpiece in step three are completed; Step five: use the intelligent robot (1) to control the welding gun (10) to weld the cylindrical workpiece in step four, while the driving roller assembly (81) drives the cylindrical workpiece to rotate; Step six: while steps four and five are working, the roller bracket (8) in the corresponding protective room is lowered, and the operator performs the installation or disassembly of the cylindrical workpiece on the roller bracket (8); Step seven: repeat the method steps in steps two to six to realize the continuous cross operation of the two cleaning, polishing and welding stations by the intelligent robot (1), and use the lifting of the two roller shutter doors to provide linkage protection.

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