A keel grinding and cutting device and method for steel ship segmented construction

Abstract

The invention discloses a keel grinding and cutting device and method for steel ship segment construction, which belongs to the technical field of steel ship processing. In order to solve the problem that the position of the keel is inconvenient to fix during processing, the keel has different shapes and cannot adapt to different types of keels, the keel for steel ship segment construction to be processed is placed in the keel processing cavity, and the keel to be processed can be pushed according to the position of grinding and cutting as needed, and the electric hydraulic cylinder motor is adjusted to drive the hydraulic electric cylinder to extend and retract, and the position of the upper pressing plate is adjusted so that the upper pressing plate presses down the keel to be processed, and the position stability of the keel to be processed is maintained, which is convenient for loading and unloading operations. The structure is simple and the adaptability is wide, which can facilitate processing operations. The second threaded screw is driven to rotate by the electric motor and the speed regulator, so that the positions of multiple telescopic positioning blocks can be adjusted, and different types of steel ship segment construction keels are positioned by the telescopic positioning blocks, which can facilitate adaptation to different keels to be processed.

Description

Technical Field

[0001] The invention relates to the technical field of steel ship processing, in particular to a keel grinding and cutting device and method for steel ship segmented construction. Background Art

[0002] Ship is a general term for various vessels. Ships are vehicles that can sail or anchor in waters for transportation or operations. They have different technical performance, equipment and structural types according to different usage requirements. Ships are a man-made means of transportation that mainly operates in geographical waters. In addition, civilian ships are generally called ships, military ships are called ships, and small ships are called boats or boats. They are generally called ships or boats. The interior mainly includes accommodation space, support structure and drainage structure, and has a propulsion system that utilizes external or self-contained energy. The appearance is generally a streamlined envelope that is conducive to overcoming fluid resistance. The materials are constantly updated with the advancement of science and technology. In the early days, they were natural materials such as wood, bamboo, and hemp. In modern times, they are mostly steel, aluminum, fiberglass, acrylic and various composite materials.

[0003] The keel is a longitudinal member connecting the bow column and the stern column in the center of the hull base. It mainly bears the longitudinal bending moment of the hull. The keel used in steel ships needs to be ground and cut.

[0004] In the process of keel processing, the following defects often exist:

[0005] 1. During the grinding and cutting operation, the position of the keel is not convenient to fix.

[0006] 2. The shapes of keels vary and cannot adapt to different types of keels.

[0007] 3. The functionality of the keel grinding and cutting device is poor.

[0008] In view of these defects, it is necessary to design a keel grinding and cutting device and method for steel ship segmented construction. Summary of the invention

[0009] The purpose of the present invention is to provide a keel grinding and cutting device and method for steel ship segmented construction, which has the advantages of being adaptable to different types of keels, convenient for fixation, and good functionality, and can solve the problems in the prior art.

[0010] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a keel grinding and cutting device for steel ship section construction, comprising a device body, a workbench, a lifting plate, a lifting platform, an electric grinding head, a cutting tool and a dust recovery box, the workbench is located at the upper end of the device body, and support frames are installed on both sides above the workbench, a keel processing cavity is provided at the lower interior of the workbench, the lifting plate is located at the lower end of the keel processing cavity, the lifting platform is located between two support frames, the electric grinding head is located at the lower end of the lifting platform, two cutting tools are provided, and the two cutting tools are respectively located on both sides of the middle of the workbench, and the dust recovery box is located on both sides of the interior of the device body.

[0011] Preferably, the work table is welded to the device body, and a through opening is provided between the work table and the device body, the lifting plate extends through the through opening to the upper end of the work table and is slidably connected to the work table and the device body, limiting plates are provided on both sides of the work table, the limiting plates and the lifting plates are arranged as an integral structure, and a first sliding rod passes through the inside of the limiting plate, a first electric hydraulic cylinder is installed at the lower end of the lifting plate, and both ends of the first electric hydraulic cylinder are respectively fixedly connected to the lifting plate and the inner lower end of the device body through a fixing plate.

[0012] Preferably, motor mounting boxes are installed on both sides of the workbench, and an electric motor and a speed regulator are installed inside the motor mounting boxes. Telescopic positioning blocks are provided on both sides of the keel processing cavity. There are several telescopic positioning blocks, and a second threaded screw runs through the inside of several telescopic positioning blocks. The electric motor and the speed regulator are transmission-connected with the second threaded screw, and the second threaded screw is threadedly connected to the telescopic positioning block, and the number of the electric motor, the speed regulator and the second threaded screw is the same as the number of the telescopic positioning blocks. A linear guide rail is installed inside the workbench, and the telescopic positioning block is slidably connected to the workbench via the linear guide rail.

[0013] Preferably, connecting plates are installed at both ends of the lifting platform, the connecting plates are welded to the lifting platform, and the connecting plates extend to the inside of the support frame and are slidably connected to the support frame, and a third threaded screw penetrates the inside of the connecting plate, and a second servo motor and a third sliding rod are respectively installed on the upper end and the inside of the two support frames, the second servo motor and the third threaded screw are fixedly connected through a coupling, the third threaded screw is threadedly connected to the connecting plate, and the third sliding rod penetrates the connecting plate and is slidably connected to the connecting plate.

[0014] Preferably, a first servo motor is installed on one side of the upper end of the lifting platform, a first threaded screw is installed on one end of the first servo motor, a moving seat is installed above the lifting platform, the first threaded screw passes through the moving seat and is threadedly connected to the moving seat, a stable seat is installed below the moving seat, and two groups of stable seats are provided, the two groups of stable seats are respectively slidably connected to the upper and lower ends of the lifting platform, and a second sliding rod passes through the inside of the stable seat, a grinding head motor is installed at the lower end of the stable seat, and the electric grinding head is connected to the grinding head motor through a coupling.

[0015] Preferably, an upper pressure plate is installed in the middle of the workbench, and two of the upper pressure plates are provided. Hydraulic electric cylinders are installed at both ends of the two upper pressure plates, and an electric hydraulic cylinder motor is installed at the upper end of the hydraulic electric cylinder. An anti-sliding block is installed on the lower end surface of the upper pressure plate, and several anti-sliding blocks are provided, and several anti-sliding blocks are welded to the upper pressure plate.

[0016] Preferably, the front end face and the rear end face of the device body are both equipped with heat sinks, a cooling water circulation pipe is installed inside the heat sink, an exhaust fan is installed inside the dust recovery box, and a mesh positioning bracket is installed on the inner side of the dust recovery box, a dust collecting mesh is installed on the outside of the mesh positioning bracket, and the mesh positioning bracket is slidably connected to the dust recovery box via a slide rail.

[0017] Preferably, a tool motor mounting box is installed on one side of the cutting tool, and a bearing seat mounting box is installed on the other side of the cutting tool, a sliding groove is provided in the middle inner part of the work table, the bearing seat mounting box and the tool motor mounting box are both slidably connected to the work table through the sliding groove, a fixed box is installed in the middle inner part of the work table, two fixed boxes are provided, positioning threaded holes are provided on the outside of the fixed box, the fixed box is fixedly connected to the work table by fastening screws, a second electric hydraulic cylinder is installed in the inside of the fixed box, a connecting frame is installed between the second electric hydraulic cylinder and the fixed box, and the two second electric hydraulic cylinders are respectively fixedly connected to the bearing seat mounting box and the tool motor mounting box through the connecting frame.

[0018] A method for grinding and cutting a keel for building a steel ship in sections, comprising the following steps:

[0019] Step 1: Place the steel ship section construction keel to be processed into the keel processing cavity, and push the keel to be processed according to the position where grinding and cutting are required;

[0020] Step 2: After the position is determined, the second threaded screw is driven to rotate by the electric motor and the speed regulator, so that the positions of the multiple telescopic positioning blocks can be adjusted, and the keels for different types of steel ship block construction are positioned by the telescopic positioning blocks. The electric hydraulic cylinder motor is adjusted to drive the hydraulic electric cylinder to extend and retract, and the position of the upper pressing plate is adjusted so that the upper pressing plate presses down the keel to be processed to maintain the position stability of the keel to be processed;

[0021] Step 3: Turn on the second servo motor to rotate the third threaded screw to adjust the height of the lifting platform. The lifting platform drives the electric grinding head to descend. The electric grinding head is driven by the grinding head motor to rotate and grind the keel to be processed. During the processing, the position of the moving seat is adjusted by the first servo motor. The moving seat drives the electric grinding head to move horizontally to accurately adjust the position;

[0022] Step 4: After grinding, adjust the position of the keel, extend and retract the second electric hydraulic cylinder, drive the position of the tool motor mounting box and the bearing seat mounting box, and move the cutting tool to the vicinity of the keel for cutting;

[0023] Step 5: After processing, retract the first electric hydraulic cylinder to drive the lifting plate down, so that the through port is connected with the keel processing chamber, turn on the exhaust fan, and the dust and debris generated by cutting enter the main body of the device through the through port, and are collected through the dust collecting mesh. After collection, pull out the mesh positioning bracket and replace the dust collecting mesh.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] 1. The keel grinding and cutting device and method for steel ship section construction place the steel ship section construction keel to be processed into the keel processing cavity, and push the keel to be processed according to the position of grinding and cutting. After the position is determined, the electric hydraulic cylinder motor is adjusted to drive the hydraulic electric cylinder to extend and retract, and the position of the upper pressure plate is adjusted so that the upper pressure plate presses down the keel to be processed to maintain the position stability of the keel to be processed. The keel is fixed electrically, which is convenient for subsequent operations and loading and unloading operations. It has a simple structure and wide adaptability, and is convenient for processing operations.

[0026] 2. The keel grinding and cutting device and method for steel ship section construction drives the second threaded screw to rotate through an electric motor and a speed regulator, so that the positions of multiple telescopic positioning blocks can be adjusted. Different types of steel ship section keels can be positioned by the telescopic positioning blocks, which can be convenient for adapting to different keels to be processed. The positions of multiple telescopic positioning blocks can be adjusted according to the shapes of different keels, so that the multiple telescopic positioning blocks can match the shape and position of the keel, so that fixing work can be performed, which improves the adaptation effect, is conducive to processing operations, and improves processing quality.

[0027] 3. The keel grinding and cutting device and method for steel ship block construction, turn on the second servo motor to rotate the third threaded screw, adjust the height of the lifting platform, the lifting platform drives the electric grinding head to descend, the electric grinding head is driven by the grinding head motor to rotate and grind the keel to be processed, during the processing, the position of the moving seat is adjusted by the first servo motor, the moving seat drives the electric grinding head to move horizontally, the position is accurately adjusted, the keel position is adjusted, the second electric hydraulic cylinder is extended and retracted, the position of the tool motor installation box and the bearing seat installation box are driven, and the cutting tool is moved to the vicinity of the keel for cutting processing, after processing, the first electric hydraulic cylinder is retracted to drive the lifting plate to descend, so that the through port is connected with the keel processing cavity, the exhaust fan is turned on, and the dust and debris generated by the cutting enter the interior of the device body through the through port, and are collected by the dust collecting mesh cloth, after collection, the mesh cloth positioning bracket is pulled out, and the dust collecting mesh cloth is replaced, which can adapt to different grinding and cutting processing methods, is conducive to improving the work effect, has good functionality, and can quickly clean the surface of the workbench, is conducive to subsequent work, and improves work quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is an overall schematic diagram of the present invention;

[0029] Figure 2 It is the internal structure diagram of the device body of the present invention;

[0030] Figure 3 It is the internal structure diagram of the working table of the present invention;

[0031] Figure 4 It is a diagram of the internal structure of the support frame of the present invention;

[0032] Figure 5 It is an overall front view of the cutting tool and the fixed box of the present invention.

[0033] In the figure: 1. Device body; 2. Workbench; 3. Keel processing chamber; 4. Lifting plate; 5. Telescopic positioning block; 6. Support frame; 7. Motor mounting box; 8. Lifting platform; 9. Moving seat; 10. First threaded screw; 11. First servo motor; 12. Electric grinding head; 13. Upper pressure plate; 14. Electric hydraulic cylinder motor; 15. Anti-sliding block; 16. Cutting tool; 17. Sliding groove; 18. Fixed box; 19. Dust recovery box; 20. Exhaust fan; 21. Heat dissipation plate; 22. Dust collection mesh; 23. , mesh positioning bracket; 24, first electric hydraulic cylinder; 25, limit plate; 26, first sliding rod; 27, electric motor; 28, speed regulator; 29, through port; 30, second threaded screw; 31, linear guide; 32, second servo motor; 33, stabilizing seat; 34, second sliding rod; 35, third threaded screw; 36, connecting plate; 37, third sliding rod; 38, grinding head motor; 39, tool motor installation box; 40, bearing seat installation box; 41, second electric hydraulic cylinder; 42, positioning threaded hole. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] See also Figure 1-5 A keel grinding and cutting device for steel ship block construction includes a device body 1, a workbench 2, a lifting plate 4, a lifting platform 8, an electric grinding head 12, a cutting tool 16 and a dust recovery box 19. The workbench 2 is located at the upper end of the device body 1, and support frames 6 are installed on both sides above the workbench 2. A keel processing cavity 3 is arranged at the lower part of the workbench 2. The lifting plate 4 is located at the lower end of the keel processing cavity 3. The lifting platform 8 is located between the two support frames 6. The electric grinding head 12 is located at the lower end of the lifting platform 8. Two cutting tools 16 are provided, and the two cutting tools 16 are respectively located on both sides of the middle of the workbench 2. The dust recovery box 19 is provided with a plurality of electric grinding heads 12, and the two electric grinding heads 12 are provided with a plurality of electric grinding heads 12. The electric grinding heads 12 are ... The box 19 is located on both sides of the inside of the device body 1. Turn on the second servo motor 32 to rotate the third threaded screw 35 to adjust the height of the lifting platform 8. The lifting platform 8 drives the electric grinding head 12 to descend. The electric grinding head 12 is driven by the grinding head motor 38 to rotate and grind the keel to be processed. During the processing, the position of the moving seat 9 is adjusted by the first servo motor 11. The moving seat 9 drives the electric grinding head 12 to move horizontally to accurately adjust the position. After grinding, adjust the position of the keel, and extend the second electric hydraulic cylinder 41 to drive the position of the tool motor mounting box 39 and the bearing seat mounting box 40, so that the cutting tool 16 moves to the vicinity of the keel for cutting processing.

[0036] The workbench 2 is welded to the device body 1, and a through opening 29 is provided between the workbench 2 and the device body 1. The lifting plate 4 passes through the through opening 29 and extends to the upper end of the workbench 2 and is slidably connected to the workbench 2 and the device body 1. Limiting plates 25 are provided on both sides of the workbench 2. The limiting plates 25 and the lifting plate 4 are set as an integral structure, and a first sliding rod 26 passes through the inside of the limiting plate 25. A first electric hydraulic cylinder 24 is installed at the lower end of the lifting plate 4. Both ends of the first electric hydraulic cylinder 24 are fixedly connected to the lifting plate 4 and the inner lower end of the device body 1 through a fixed plate respectively. The lifting plate 4 can rise to adjust the height position of the keel to be processed to adapt to different tasks.

[0037] Motor mounting boxes 7 are installed on both sides of the workbench 2, and electric motors 27 and speed regulators 28 are installed inside the motor mounting boxes 7. Telescopic positioning blocks 5 are arranged on both sides of the keel processing cavity 3. There are several telescopic positioning blocks 5, and the interiors of the several telescopic positioning blocks 5 are penetrated by second threaded screws 30. The electric motor 27 and the speed regulator 28 are transmission-connected with the second threaded screw 30, and the second threaded screw 30 is threadedly connected with the telescopic positioning block 5. The number of electric motors 27, speed regulators 28 and second threaded screws 30 is the same as the number of telescopic positioning blocks 5. A linear guide is installed inside the workbench 2. 31. The telescopic positioning block 5 is slidably connected to the worktable 2 through a linear guide rail 31. The second threaded screw 30 is driven to rotate by the electric motor 27 and the speed regulator 28, so that the positions of the multiple telescopic positioning blocks 5 can be adjusted. The telescopic positioning blocks 5 can be used to position the keels for different types of steel ship segment construction, which can be convenient for adapting to different keels to be processed. The positions of the multiple telescopic positioning blocks 5 can be adjusted according to the shapes of different keels, so that the multiple telescopic positioning blocks 5 can match the shape and position of the keel, so that fixing work can be performed, which improves the adaptation effect, is conducive to processing operations, and improves processing quality.

[0038] Connecting plates 36 are installed at both ends of the lifting platform 8, and the connecting plates 36 are welded to the lifting platform 8, and the connecting plates 36 extend to the inside of the support frame 6 and are slidably connected to the support frame 6, and a third threaded screw 35 is penetrated inside the connecting plate 36, and a second servo motor 32 and a third sliding rod 37 are respectively installed on the upper end and the inside of the two support frames 6, the second servo motor 32 and the third threaded screw 35 are fixedly connected through a coupling, the third threaded screw 35 is threadedly connected to the connecting plate 36, and the third sliding rod 37 penetrates the connecting plate 36 and is slidably connected to the connecting plate 36, the second servo motor 32 is turned on to rotate the third threaded screw 35, and the height of the lifting platform 8 is adjusted, and the lifting platform 8 drives the electric grinding head 12 to descend, and the electric grinding head 12 is driven by the grinding head motor 38 to rotate and grind the keel to be processed.

[0039] A first servo motor 11 is installed on one side of the upper end of the lifting platform 8, and a first threaded screw 10 is installed on one end of the first servo motor 11. A moving seat 9 is installed above the lifting platform 8, and the first threaded screw 10 penetrates the moving seat 9 and is threadedly connected with the moving seat 9. A stable seat 33 is installed below the moving seat 9. The stable seat 33 is provided with two groups. The two groups of stable seats 33 are respectively slidably connected with the upper and lower ends of the lifting platform 8, and a second sliding rod 34 penetrates the inside of the stable seat 33. A grinding head motor 38 is installed at the lower end of the stable seat 33. The electric grinding head 12 is connected to the grinding head motor 38 through a coupling. The position of the moving seat 9 is adjusted by the first servo motor 11, and the moving seat 9 drives the electric grinding head 12 to move horizontally to accurately adjust the position.

[0040] An upper pressing plate 13 is installed in the middle of the working table 2. Two upper pressing plates 13 are provided. Hydraulic electric cylinders are installed at both ends of the two upper pressing plates 13, and an electric hydraulic cylinder motor 14 is installed at the upper end of the hydraulic electric cylinder. An anti-sliding block 15 is installed on the lower end surface of the upper pressing plate 13. Several anti-sliding blocks 15 are provided, and several anti-sliding blocks 15 are welded and connected to the upper pressing plate 13. The electric hydraulic cylinder motor 14 is adjusted to drive the hydraulic electric cylinder to extend and retract, and the position of the upper pressing plate 13 is adjusted so that the upper pressing plate 13 presses down the keel to be processed to maintain the position stability of the keel to be processed.

[0041] The front and rear end surfaces of the device body 1 are both installed with heat sinks 21, and a cooling water circulation pipe is installed inside the heat sink 21. During long-term operation, the internal temperature of the device is reduced and the life of circuit components is extended. An exhaust fan 20 is installed inside the dust recovery box 19, and a mesh positioning bracket 23 is installed on the inner side of the dust recovery box 19. A dust collecting mesh 22 is installed on the outside of the mesh positioning bracket 23. The mesh positioning bracket 23 is slidably connected to the dust recovery box 19 through a slide rail. When the exhaust fan 20 is turned on, the dust fragments generated by cutting enter the interior of the device body 1 through the opening 29 and are centrally recovered through the dust collecting mesh 22. After recovery, the mesh positioning bracket 23 is pulled out and the dust collecting mesh 22 is replaced. It can adapt to different grinding and cutting processing methods, which is beneficial to improving work results, has good functionality, and can quickly clean the surface of the workbench 2, which is beneficial to subsequent work and improves work quality.

[0042] A tool motor mounting box 39 is installed on one side of the cutting tool 16, and a bearing seat mounting box 40 is installed on the other side of the cutting tool 16. A sliding groove 17 is provided in the middle of the workbench 2. The bearing seat mounting box 40 and the tool motor mounting box 39 are both slidably connected to the workbench 2 through the sliding groove 17. A fixed box body 18 is installed in the middle of the workbench 2. Two fixed boxes 18 are provided. Positioning threaded holes 42 are provided on the outside of the fixed box body 18. The fixed box body 18 is fixedly connected to the workbench 2 by fastening screws. A second electric hydraulic cylinder 41 is installed inside the fixed box 18, and a connecting frame is installed between the second electric hydraulic cylinder 41 and the fixed box 18. The two second electric hydraulic cylinders 41 are fixedly connected to the bearing seat mounting box 40 and the tool motor mounting box 39 through the connecting frame. After grinding, the position of the keel is adjusted, and the second electric hydraulic cylinder 41 is extended and retracted to drive the position of the tool motor mounting box 39 and the bearing seat mounting box 40, so that the cutting tool 16 is moved to the vicinity of the keel for cutting processing, and the lateral position of the cutting tool 16 can be conveniently adjusted.

[0043] A method for grinding and cutting a keel for building a steel ship in sections, comprising the following steps:

[0044] Step 1: Place the steel ship block construction keel to be processed into the keel processing cavity 3, and push the keel to be processed according to the position where grinding and cutting are required;

[0045] Step 2: After the position is determined, the second threaded screw 30 is driven to rotate by the electric motor 27 and the speed regulator 28, so that the positions of the multiple telescopic positioning blocks 5 can be adjusted. The telescopic positioning blocks 5 are used to position different types of steel ship segment construction keels. The electric hydraulic cylinder motor 14 is adjusted to drive the hydraulic electric cylinder to extend and retract, and the position of the upper pressing plate 13 is adjusted so that the upper pressing plate 13 presses down the keel to be processed, and the position stability of the keel to be processed is maintained, so as to adapt to different keels to be processed. The positions of the multiple telescopic positioning blocks 5 can be adjusted according to the shapes of different keels, so that the multiple telescopic positioning blocks 5 can match the shape and position of the keel, so that the fixing work can be carried out, which improves the adaptability effect, is conducive to the processing operation, and improves the processing quality;

[0046] Step 3: Turn on the second servo motor 32 to rotate the third threaded screw 35 to adjust the height of the lifting platform 8. The lifting platform 8 drives the electric grinding head 12 to descend. The electric grinding head 12 is driven by the grinding head motor 38 to rotate and grind the keel to be processed. During the processing, the position of the moving seat 9 is adjusted by the first servo motor 11. The moving seat 9 drives the electric grinding head 12 to move horizontally, and the position is accurately adjusted to adapt to different grinding tasks;

[0047] Step 4: After grinding, adjust the position of the keel, extend and retract the second electric hydraulic cylinder 41, drive the position of the tool motor mounting box 39 and the bearing seat mounting box 40, and move the cutting tool 16 to the vicinity of the keel for cutting processing, and the lateral position of the cutting tool 16 can be easily adjusted;

[0048] Step 5: After processing, contract the first electric hydraulic cylinder 24 to drive the lifting plate 4 to descend, so that the through port 29 is connected with the keel processing chamber 3, turn on the exhaust fan 20, and the dust and debris generated by cutting enter the interior of the device body 1 through the through port 29, and are collected by the dust collecting mesh 22. After collection, the mesh positioning bracket 23 is pulled out and the dust collecting mesh 22 is replaced. It can adapt to different grinding and cutting processing methods, which is beneficial to improving work results, has good functionality, and can quickly clean the surface of the workbench 2, which is beneficial to subsequent work and improves work quality.

[0049] In summary, the keel grinding and cutting device and method for steel ship segment construction puts the steel ship segment construction keel to be processed into the keel processing cavity 3, and can push the keel to be processed according to the position of grinding and cutting. After the position is determined, the second threaded screw 30 is driven to rotate by the electric motor 27 and the speed regulator 28, so that the position of multiple telescopic positioning blocks 5 can be adjusted, and different types of steel ship segment construction keels are positioned by the telescopic positioning blocks 5. The electric hydraulic cylinder motor 14 is adjusted to drive the hydraulic electric cylinder to extend and retract, and the position of the upper pressure plate 13 is adjusted so that the upper pressure plate 13 presses down the keel to be processed to maintain the position stability of the keel to be processed, so as to adapt to different keels to be processed. The positions of multiple telescopic positioning blocks 5 can be adjusted according to the shapes of different keels, so that multiple telescopic positioning blocks 5 can match the shape and position of the keel, so that fixing work can be performed, which improves the adaptation effect, is conducive to processing operations, and improves processing quality. The second servo motor 32 is turned on to rotate the third threaded screw 35 to adjust the height of the lifting platform 8. The lifting platform 8 drives the electric The grinding head 12 descends, and the electric grinding head 12 is driven by the grinding head motor 38 to rotate and grind the keel to be processed. During the processing, the position of the movable seat 9 is adjusted by the first servo motor 11, and the movable seat 9 drives the electric grinding head 12 to move horizontally, and the position is accurately adjusted to adapt to different grinding work. After grinding, the position of the keel is adjusted, and the second electric hydraulic cylinder 41 is extended and retracted to drive the position of the tool motor installation box 39 and the bearing seat installation box 40, so that the cutting tool 16 moves to the vicinity of the keel for cutting processing. The lateral position of the cutting tool 16 can be conveniently adjusted. After processing, the first electric hydraulic cylinder 24 is retracted to drive the lifting plate 4 to descend, so that the through port 29 is connected with the keel processing chamber 3, and the exhaust fan 20 is turned on. The dust and debris generated by the cutting enter the interior of the device body 1 through the through port 29 and are collected and collected by the dust collecting mesh 22. After collection, the mesh positioning bracket 23 is pulled out and the dust collecting mesh 22 is replaced. It can adapt to unused grinding and cutting processing methods, which is beneficial to improving the working effect, has good functionality, and can quickly clean the surface of the workbench 2, which is beneficial to subsequent work and improves work quality.

[0050] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0051] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A keel grinding and cutting device for steel ship block construction, comprising a device body (1), a workbench (2), a lifting plate (4), a lifting platform (8), an electric grinding head (12), a cutting tool (16) and a dust recovery box (19), characterized in that: The workbench (2) is located at the upper end of the device body (1), and support frames (6) are installed on both sides of the upper part of the workbench (2). A keel processing cavity (3) is provided at the lower part of the workbench (2). The lifting plate (4) is located at the lower end of the keel processing cavity (3). The lifting platform (8) is located between the two support frames (6). The electric grinding head (12) is located at the lower end of the lifting platform (8). Two cutting tools (16) are provided. The two cutting tools (16) are respectively located on both sides of the middle of the workbench (2). The dust recovery box (19) is located on both sides of the inside of the device body (1); The front and rear surfaces of the device body (1) are both provided with heat dissipation plates (21), a cooling water circulation pipe is installed inside the heat dissipation plates (21), an exhaust fan (20) is installed inside the dust recovery box (19), and a mesh positioning bracket (23) is installed inside the dust recovery box (19), a dust collecting mesh (22) is installed outside the mesh positioning bracket (23), and the mesh positioning bracket (23) is slidably connected to the dust recovery box (19) via a slide rail; A tool motor mounting box (39) is installed on one side of the cutting tool (16), and a bearing seat mounting box (40) is installed on the other side of the cutting tool (16); a sliding groove (17) is provided in the middle interior of the workbench (2); the bearing seat mounting box (40) and the tool motor mounting box (39) are both slidably connected to the workbench (2) through the sliding groove (17); a fixed box (18) is installed in the middle interior of the workbench (2); two fixed boxes (18) are provided; a positioning threaded hole (42) is provided on the outside of the fixed box (18); the fixed box (18) is fixedly connected to the workbench (2) by fastening screws; a second electric hydraulic cylinder (41) is installed inside the fixed box (18); a connecting frame is installed between the second electric hydraulic cylinder (41) and the fixed box (18); the two second electric hydraulic cylinders (41) are respectively fixedly connected to the bearing seat mounting box (40) and the tool motor mounting box (39) through the connecting frame.

2. The keel grinding and cutting device for steel ship segment construction according to claim 1, characterized in that: The workbench (2) is welded to the device body (1), and a through hole (29) is provided between the workbench (2) and the device body (1). The lifting plate (4) passes through the through hole (29) and extends to the upper end of the workbench (2) to be slidably connected to the workbench (2) and the device body (1). Limiting plates (25) are provided on both sides of the workbench (2). The limiting plates (25) and the lifting plate (4) are provided as an integral structure, and a first sliding rod (26) passes through the interior of the limiting plate (25). A first electric hydraulic cylinder (24) is installed at the lower end of the lifting plate (4), and both ends of the first electric hydraulic cylinder (24) are fixedly connected to the lifting plate (4) and the lower end of the device body (1) through a fixing plate.

3. The keel grinding and cutting device for steel ship segment construction according to claim 2, characterized in that: Motor mounting boxes (7) are installed on both sides of the workbench (2), and an electric motor (27) and a speed regulator (28) are installed inside the motor mounting box (7). Telescopic positioning blocks (5) are arranged on both sides of the keel processing cavity (3). A plurality of telescopic positioning blocks (5) are arranged, and a second threaded screw (30) is passed through the interior of the plurality of telescopic positioning blocks (5). The electric motor (27) and the speed regulator (28) are transmission-connected to the second threaded screw (30), and the second threaded screw (30) is threadedly connected to the telescopic positioning block (5). The number of the electric motor (27), the speed regulator (28) and the second threaded screw (30) is the same as the number of the telescopic positioning blocks (5). A linear guide rail (31) is installed inside the workbench (2), and the telescopic positioning block (5) is slidably connected to the workbench (2) via the linear guide rail (31).

4. The keel grinding and cutting device for steel ship segment construction according to claim 3 is characterized in that: A connecting plate (36) is installed at both ends of the lifting platform (8), the connecting plate (36) is welded to the lifting platform (8), and the connecting plate (36) extends into the interior of the support frame (6) and is slidably connected to the support frame (6), and a third threaded screw (35) is penetrated inside the connecting plate (36), and a second servo motor (32) and a third sliding rod (37) are respectively installed at the upper end and the interior of the two support frames (6), the second servo motor (32) and the third threaded screw (35) are fixedly connected via a coupling, the third threaded screw (35) is threadedly connected to the connecting plate (36), and the third sliding rod (37) penetrates the connecting plate (36) and is slidably connected to the connecting plate (36).

5. The keel grinding and cutting device for steel ship segment construction according to claim 4, characterized in that: A first servo motor (11) is installed on one side of the upper end of the lifting platform (8), and a first threaded screw (10) is installed on one end of the first servo motor (11). A moving seat (9) is installed above the lifting platform (8), and the first threaded screw (10) passes through the moving seat (9) and is threadedly connected to the moving seat (9). A stable seat (33) is installed below the moving seat (9), and two groups of the stable seats (33) are provided. The two groups of the stable seats (33) are slidably connected to the upper end and the lower end of the lifting platform (8) respectively, and a second sliding rod (34) passes through the interior of the stable seat (33). A grinding head motor (38) is installed at the lower end of the stable seat (33), and the electric grinding head (12) is connected to the grinding head motor (38) through a coupling.

6. The keel grinding and cutting device for steel ship segment construction according to claim 5, characterized in that: An upper pressing plate (13) is installed in the middle of the working table (2), and two upper pressing plates (13) are provided. Hydraulic electric cylinders are installed at both ends of the two upper pressing plates (13), and an electric hydraulic cylinder motor (14) is installed at the upper end of the hydraulic electric cylinder. An anti-sliding block (15) is installed on the lower end surface of the upper pressing plate (13), and a plurality of anti-sliding blocks (15) are provided, and the plurality of anti-sliding blocks (15) are welded to the upper pressing plate (13).

7. A method for grinding and cutting a keel for steel ship section construction, based on the keel grinding and cutting device for steel ship section construction as claimed in claim 6, characterized in that: The steps include: Step 1: Place the steel ship section construction keel to be processed into the keel processing cavity (3), and push the keel to be processed according to the position where grinding and cutting are required; Step 2: After the position is determined, the second threaded screw (30) is driven to rotate by the electric motor (27) and the speed regulator (28), so that the positions of the plurality of telescopic positioning blocks (5) can be adjusted, and the keels for different types of steel ship segment construction are positioned by the telescopic positioning blocks (5), and the electric hydraulic cylinder motor (14) is adjusted to drive the hydraulic electric cylinder to extend and retract, and the position of the upper pressing plate (13) is adjusted so that the upper pressing plate (13) presses down the keel to be processed, thereby maintaining the position stability of the keel to be processed; Step 3: Turn on the second servo motor (32) to rotate the third threaded screw (35) to adjust the height of the lifting platform (8), the lifting platform (8) drives the electric grinding head (12) to descend, the electric grinding head (12) is driven by the grinding head motor (38) to rotate and grind the keel to be processed, during the processing, the position of the moving seat (9) is adjusted by the first servo motor (11), the moving seat (9) drives the electric grinding head (12) to move horizontally, and the position is accurately adjusted; Step 4: After grinding, adjust the position of the keel, extend and retract the second electric hydraulic cylinder (41), drive the position of the tool motor mounting box (39) and the bearing seat mounting box (40), and move the cutting tool (16) to the vicinity of the keel for cutting processing; Step 5: After processing, the first electric hydraulic cylinder (24) is retracted to drive the lifting plate (4) to descend, so that the through port (29) is connected to the keel processing chamber (3), and the exhaust fan (20) is turned on. The dust and debris generated by cutting enter the interior of the device body (1) through the through port (29) and are collected by the dust collecting mesh (22). After collection, the mesh positioning bracket (23) is pulled out and the dust collecting mesh (22) is replaced.

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