Steel plate welding device for ship machining
By designing a steel plate welding device, 180-degree rotation welding and warping correction of steel plates are achieved, solving the problems of cumbersome steel plate flipping process and warping deformation, and improving welding efficiency and quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-30
- Publication Date
- 2026-03-13
AI Technical Summary
In the current shipbuilding process, the steel plate flipping process is cumbersome, resulting in low welding efficiency, and the warping and deformation of the steel plate affects the welding quality.
Design a steel plate welding device for ship processing. The device uses a clamping assembly to achieve 180-degree rotation welding of the steel plate, and combines a pressure plate to correct warping deformation, thus realizing continuous double-sided welding operation.
It significantly improves welding efficiency, ensures the flatness and quality of welded joints, reduces energy consumption, and avoids motor self-locking slippage problems.
Smart Images
Figure CN121649672A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of welding technology, and in particular to a welding apparatus for steel plates used in shipbuilding. Background Technology
[0002] During shipbuilding, multiple steel plates need to be butt-welded to form an integral structure. To ensure welding quality, a plate-jointing welding device is usually used for the operation. For steel plates with large thickness, or those belonging to key load-bearing parts of the hull (such as decks, bottom plates, and side longitudinals), or structures with mandatory requirements for watertightness and airtightness, double-sided welding is required. This process can ensure that the weld completely penetrates the base material, effectively eliminating welding defects such as incomplete penetration at the root and porosity, and significantly improving the connection strength and sealing performance of the joint.
[0003] The existing double-sided welding process is as follows: First, the steel plate is clamped and positioned to achieve precise docking, and then the butt joint on one side of the steel plate is welded. After completing the welding on one side, the clamps need to be released, the steel plate is flipped over, clamped and fixed again, and then the butt joint on the other side is welded. The steel plate flipping process usually adopts the operation method of using a crane and lifting equipment. Specifically, the installation of lifting lugs / balance beams, lifting center of gravity check, lifting, aerial attitude adjustment, and positioning and fixing need to be completed in sequence. After flipping, the lifting equipment also needs to be removed. This flipping process is cumbersome and time-consuming, resulting in a discontinuous overall welding operation process and affecting the welding efficiency of the steel plate.
[0004] Furthermore, after the two steel plates are joined and positioned, the warping and deformation of the steel plates causes unevenness at the joint, which in turn has an adverse effect on the subsequent welding quality.
[0005] To address these issues, we designed a steel plate welding device for shipbuilding. Summary of the Invention
[0006] To address the above issues and overcome the shortcomings of existing technologies, this invention provides a steel plate welding device for shipbuilding. First, a clamping assembly is configured to clamp and assemble the steel plates. After welding on one side, the clamping assembly drives the steel plate to rotate 180 degrees, directly welding the other side. The entire process is continuous, improving the efficiency of steel plate welding. Second, a pressure plate is used to press down and clamp the steel plates. While clamping the steel plates, it can also forcibly correct the warping deformation of the butt joint surfaces, making the joints of the two steel plates more flush, thus ensuring the flatness of the welded joint.
[0007] To achieve the above objectives, the technical solution adopted by the present invention is as follows: A steel plate welding device for ship processing includes: a frame, a clamping assembly, and a drive mechanism; The frame is internally rotatably equipped with two clamping groups and a drive mechanism; the two ends of the frame are provided with feed ports; around the positions of the two clamping groups, a first cylinder, a second cylinder and two third cylinders are provided on the frame, and the extension and retraction ends of the three cylinders are all equipped with electromagnets. The two clamping assemblies are arranged in opposite directions and include an assembly frame, a sliding plate, transmission components, pressure plates, a first hydraulic spring, a docking plate, and a second hydraulic spring. The assembly frame is used to load the steel plate and is rotatably coupled to the frame via a shaft. A first sprocket is fixed to the shaft of the assembly frame. The sliding plate is slidably assembled onto the assembly frame, and the first hydraulic spring connects the two. Multiple transmission components are assembled onto the sliding plate. The two pressure plates are respectively connected to the multiple transmission components. When the steel plate abuts against the transmission components, the pressure plates are driven to flip downwards by lever principle, and one side of the steel plate is limited before this. The two docking plates are connected to the assembly frame via the second hydraulic spring. A limit plate is provided on the vertical wall of the docking plate. When the clamping assembly is facing upwards, the first cylinder attracts the sliding plate via an electromagnet. When the clamping assembly is facing upwards, the second cylinder attracts the sliding plate via an electromagnet. The third cylinder attracts the docking plate via an electromagnet.
[0008] In one embodiment, the first cylinder and the second cylinder are arranged opposite to each other, and the two third cylinders are arranged at a 90-degree angle to both the first cylinder and the second cylinder.
[0009] In one embodiment, the transmission component includes: a flipping rod, a translating rod, a spring rod, and a sliding rod; the flipping rod is rotatably connected to a connecting rod at its middle section, and the connecting rod mounts the flipping rod on a sliding plate. A torsion spring is provided at the rotatable connection, and the initial force of the torsion spring keeps the flipping rod in an inclined flipping posture; the sliding rod is slidably mounted on the upward-sloping end of the flipping rod, and the sliding rod and the flipping rod are arranged at a 90-degree angle, and a return spring is provided at the sliding engagement point between the two; the end of the sliding rod is fixedly connected to a pressure plate; the translating rod is vertically arranged and slidably mounted on the sliding plate. In the initial state, the translating rod is in contact with the downward-sloping end of the flipping rod, and a spring rod is mounted at the sliding connection point between the translating rod and the sliding plate.
[0010] In one embodiment, the total elastic stress of the torsion spring and spring rod in the plurality of transmission components is less than the weight of the steel plate; when the two clamping assemblies are flipped from the front to the back, they both flip towards the side where the transmission components are assembled.
[0011] In one embodiment, the drive mechanism includes a rotating shaft, a second sprocket, and a chain; the rotating shaft is rotatably mounted in the middle of the frame, and the two ends of the rotating shaft are fixedly provided with second sprockets, and the two second sprockets are respectively connected to the first sprockets configured in the two clamping groups through the chain.
[0012] In one embodiment, a spline is fixed on the rotating shaft, and a groove adapted to the spline is formed on the inner wall of the second sprocket, and the width of the groove is greater than the width of the spline protrusion; the diameter of the second sprocket is greater than the diameter of the first sprocket. Based on the speed ratio relationship of the sprocket drive, the rotation angle of the second sprocket is less than 180 degrees, which can drive the first sprocket to rotate 180 degrees, thereby driving the clamping assembly to complete a 180-degree rotation action.
[0013] In one embodiment, a rectangular block is fixed to the outer edge end face of the sprocket, and the two clamping groups are respectively provided with a limiting group, which includes an abutment plate, a turntable, and a slide rail. The turntable is fixedly connected to the end of the rotating shaft, and a first pushing block and a second pushing block are fixed to the surface of the turntable. The first pushing block and the second pushing block are both retractable elastic sleeve structures, and the two are distributed at a 90-degree angle along the axis of the turntable. The abutment plate is slidably assembled on the frame through the slide rail. A spring rod is provided at the mating position of the abutment plate and the slide rail. One end of the abutment plate abuts against the rectangular block, and the other end is integrally formed with two upper and lower opposite extensions. The single-side wall of the extension is a sloping structure. In the initial state, the first pushing block is in contact with the upper extension.
[0014] In one embodiment, a top plate is fixedly connected to the top of the frame via a bracket, and the welding mechanism is arranged on the top plate. The welding mechanism includes a first electric slide rail, an electric telescopic rod, a mounting plate, guide rods, and a welding gun. The first electric slide rail is fixed to the bottom surface of the top plate, and the length of the first electric slide rail is the same as the length of the frame. The built-in slider of the first electric slide rail is connected to the electric telescopic rod, the lower end of the electric telescopic rod is fixedly connected to the mounting plate, and multiple guide rods are arranged between the mounting plate and the slider. The welding gun is mounted on the mounting plate.
[0015] In one embodiment, after the welding gun completes welding on one side of the steel plate of one of the clamping groups, the drive mechanism drives it to rotate 180 degrees to weld on the other side; during this period, the other clamping group simultaneously completes the docking and fixing of the steel plate.
[0016] In one embodiment, a material conveying mechanism is provided at the feed inlets at both ends of the frame; the material conveying mechanism includes a push plate, a second electric slide rail, a pallet, and a third electric slide rail; the third electric slide rail is vertically arranged, and its built-in slider is fixedly connected to the pallet, which carries multiple steel plates; the second electric slide rail is horizontally arranged, and its built-in slider is fixedly connected to the push plate; the push plate can push the two uppermost steel plates of the pallet to the bottom plate; the push plate limits the other side of the steel plate.
[0017] The beneficial effects of this invention are as follows: (1) The two clamping groups of the present invention are arranged in opposite directions and are driven by the drive mechanism to achieve 180-degree reciprocating rotation, thereby completing the continuous operation of double-sided welding of steel plates; that is, after the welding mechanism completes the welding of one side of the steel plate of one clamping group, the drive mechanism drives it to rotate 180 degrees to weld the other side; during this period, the other clamping group simultaneously completes the docking and fixing of the steel plate, without waiting for the previous process to finish, which greatly shortens the process interval time and significantly improves the overall welding operation efficiency.
[0018] (2) The present invention uses a pressure plate to press down on the steel plate, which can clamp the steel plate and forcibly correct the warping deformation of the steel plate mating surface, so that the mating part of the two steel plates tends to be flat, thus ensuring the flatness of the welded joint.
[0019] (3) The present invention bears the load through the rigid contact between the abutment plate and the rectangular block, which can directly offset the torsional torque caused by the weight of the steel plate, avoid the problem of the motor slipping due to the load exceeding the static friction limit, and at the same time, the motor does not need to continuously self-lock, which greatly reduces energy consumption. Moreover, the unlocking, rotation and re-limiting actions are automatically completed through the mechanical linkage of the rotating shaft, spline clearance and turntable, first push block and second push block, without the need for additional electrical control program coordination. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of one side of the structure of the present invention; Figure 3 This is a schematic diagram showing the distribution of the two clamping groups in this invention; Figure 4 This is an exploded view of the clamping assembly of the present invention; Figure 5 This is a schematic diagram of the clamping assembly structure of the present invention; Figure 6 This is a schematic diagram of the transmission component structure of the present invention; Figure 7 This is a schematic diagram of the steel plate clamping structure of the present invention; Figure 8 This is a schematic diagram of the drive mechanism structure of the present invention; Figure 9 This is a schematic diagram showing the connection between the rotating shaft and the gear in this invention; Figure 10 This is a schematic diagram of the limiting assembly structure of the present invention; Figure 11 This is a schematic diagram of the movement of the limiting assembly of the present invention; Figure 12 This is a schematic diagram showing the orientation of the first and second pushing blocks of the present invention; Figure 13 This is a schematic diagram of the welding mechanism structure of the present invention; Figure 14 This is a schematic diagram of the material conveying mechanism of the present invention; Figure 15 This is a schematic diagram of the push plate limiting steel plate of the present invention.
[0021] In the diagram: 1. Frame; 11. Support; 12. Top plate; 10. Feed inlet; 13. First cylinder; 14. Second cylinder; 15. Third cylinder; 2. Clamping assembly; 2-1. First clamping assembly; 2-2. Second clamping assembly; 21. Assembly frame; 22. Slide plate; 23. Transmission component; 24. Pressure plate; 25. Hydraulic spring one; 26. Connecting plate; 27. Hydraulic spring two; 211. Base plate; 212. Through opening; 213. Sprocket one; 214. Rectangular block; 221. Connecting block; 231. Tilting rod; 232. Translation rod; 233. Spring rod one; 234. Sliding rod; 261. Connecting plate; 2 62. Limiting plate; 3. Limiting assembly; 31. Abutting plate; 32. Turntable; 30. Slide rail; 310. Spring rod II; 311. Extension; 321. First pushing block; 322. Second pushing block; 4. Welding mechanism; 41. First electric slide rail; 42. Electric telescopic rod; 43. Mounting plate; 44. Guide rod; 45. Welding gun; 5. Drive mechanism; 51. Rotating shaft; 52. Second sprocket; 53. Chain; 521. Groove; 511. Spline; 512. Protrusion; 6. Material conveying mechanism; 61. Push plate; 62. Second electric slide rail; 63. Support plate; 64. Third electric slide rail; 100. Steel plate. Detailed Implementation
[0022] The present invention will be further described below with reference to the accompanying drawings and embodiments. The embodiments of the present invention include, but are not limited to, the following embodiments.
[0023] First embodiment: Please refer to Figure 1-2 The present invention discloses a steel plate welding device for ship processing, comprising: a frame 1, a clamping group 2, and a driving mechanism 5; Please see Figure 1-3 The frame 1 is rectangular, with clamping groups 2 set at both ends of the interior. A driving mechanism 5 is set in the middle of the frame 1, between the two clamping groups 2. The driving mechanism 5 drives the two clamping groups 2 to rotate 180 degrees back and forth. The two clamping groups 2 are a first clamping group 2-1 and a second clamping group 2-2, which are arranged in opposite directions. The frame 1 is fixedly supported by multiple brackets 11 so that the frame 1 as a whole remains parallel to the ground and has a preset distance. Please see Figure 3The frame 1 has feed ports 10 at both ends. Two steel plates 100 are inserted into the frame 1 through the feed ports 10 in the direction indicated by the arrow and placed on the clamping group 2. The frame 1 is equipped with a first cylinder 13, a second cylinder 14 and a third cylinder 15 around the positions of the first clamping group 2-1 and the second clamping group 2-2. The first cylinder 13 and the second cylinder 14 are arranged opposite each other. The two third cylinders 15 are arranged at a 90-degree angle to the first cylinder 13 and the second cylinder 14. The telescopic ends of the first cylinder 13, the second cylinder 14 and the third cylinder 15 are all equipped with electromagnets. Please see Figure 4-5 The clamping assembly 2 is used to perform docking operations on two steel plates 100 and to flatten and clamp the two steel plates 100; the clamping assembly 2 includes an assembly frame 21, a sliding plate 22, a transmission component 23, a pressure plate 24, a hydraulic spring 1 25, a docking plate 26, and a hydraulic spring 27. The assembly frame 21 is rotatably coupled to the frame 1 via a shaft. A base plate 211 is fixedly provided on one side of the assembly frame 21. A through opening 212 is provided on the base plate 211. The base plate 211 is used to support the steel plate 100. The through opening 212 is used to expose the joint of the two steel plates 100. A sprocket 213 is fixedly provided on the shaft at one end of the assembly frame 21. The slide plate 22 is slidably mounted on the other side of the assembly frame 21. A hydraulic spring 25 is connected between the assembly frame 21 and the slide plate 22. A connecting block 221 is integrally formed on the edge of the slide plate 22. The number of transmission components 23 is multiple, and the multiple transmission components 23 are divided into two groups. The two groups of transmission components 23 are assembled at both ends of the slide plate 22. The two pressure plates 24 are respectively connected to the two groups of transmission components 23. The transmission components 23 can drive the pressure plates 24 to flip downward to flatten and clamp the steel plate 100. The two docking plates 26 are slidably mounted on both ends of the assembly frame 21 via hydraulic spring 27. The two docking plates 26 are used to push the two steel plates 100 together. A connecting plate 261 is fixed on the docking plate 26, with one end of the connecting plate 261 extending toward the frame 1. Limiting plates 262 are respectively provided on the opposite sides of the two docking plates 26. The limiting plates 262 form a 90-degree angle with the docking plates 26. After welding is completed at the docking point of the two steel plates 100, the two steel plates 100 form a whole. The two limiting plates 262 limit the whole in the vertical direction after flipping and rotating. The initial state of hydraulic spring 25 and hydraulic spring 27 is both in the extended state. When the clamping assembly 2 is in a forward-facing position, the first cylinder 13 pulls the slide plate 22 by attracting the connecting block 221 via the electromagnet at its telescopic end; when the clamping assembly 2 is in a reverse-facing position, the second cylinder 14 pulls the slide plate 22 by attracting the connecting block 221 via the electromagnet at its telescopic end; the third cylinder 15 pulls the docking plate 26 by attracting the connecting plate 261 via the electromagnet at its telescopic end; during the process of the slide plate 22 and the docking plate 26 being pulled, the first hydraulic spring 25 and the second hydraulic spring 27 are compressed; Please see Figure 6 The transmission component 23 includes: a flipping rod 231, a translation rod 232, a spring rod 233, and a sliding rod 234. The flipping rod 231 is rotatably connected to a connecting rod at its middle section, and the connecting rod mounts the flipping rod 231 onto the sliding plate 22. A torsion spring (not shown in the figure) is provided at the rotatable connection point, and the initial force of the torsion spring keeps the flipping rod 231 in an inclined flipping posture. The sliding rod 234 is slidably fitted to the upward-sloping end of the flipping rod 231, and the sliding rod 234 is arranged at a 90-degree angle to the flipping rod 231. A return spring is provided at the sliding engagement point between the two. The end of the sliding rod 234 is fixedly connected to the pressure plate 24. Therefore, the sliding rods 234 in the two sets of transmission components 23 are... The two pressure plates 24 are not connected; the translation rod 232 is arranged vertically and slidably mounted on the slide plate 22. In the initial state, the translation rod 232 is in contact with the downward tilting end of the flipping rod 231. A spring rod 233 is mounted at the sliding connection between the translation rod 232 and the slide plate 22; the total elastic stress of the torsion spring and spring rod 233 in the multiple transmission components 23 is much less than the weight of the steel plate 100; when the first clamping group 2-1 and the second clamping group 2-2 are flipped from the front to the back, the first clamping group 2-1 and the second clamping group 2-2 are both flipped toward the side where the transmission component 23 is mounted. The purpose is to make one side of the steel plate 100 abut against the translation rod 232 to prevent the steel plate 100 from sliding during flipping. Existing plate welding devices generally use cylinders for direct drive to achieve the docking and clamping of steel plates 100. This device differs from existing technologies by using hydraulic springs 25 and 27 as core actuators to complete the docking and clamping of steel plates 100. The functions of the first cylinder 13, the second cylinder 14, and the third cylinder 15 are limited to two aspects: first, to pre-compress the hydraulic springs 25 and 27 to preset the reset force; second, to drive the relevant components to release the welded parts after the double-sided welding of steel plates 100 is completed. The core reason for adopting the aforementioned technical solution is that this device needs to drive the clamping assembly 2 to rotate 180 degrees back and forth to meet the process requirements of double-sided welding. If the cylinder is directly integrated into the assembly frame 21 of the clamping assembly 2, the cylinder that rotates synchronously with the assembly frame 21 needs to be continuously connected to the air source pipe. The 180-degree back and forth rotation of the assembly frame 21 will cause the air pipe to be repeatedly bent, wrapped, or even twisted and broken. This will not only greatly increase the difficulty of laying the air pipe, but also seriously reduce the service life of the air pipe and the cylinder. At the same time, there is a safety hazard caused by air pipe damage and leakage. Please see Figure 8 The drive mechanism 5 includes a rotating shaft 51, a second sprocket 52, and a chain 53. The rotating shaft 51 is rotatably mounted in the middle of the frame 1. Both ends of the rotating shaft 51 are fixed with second sprockets 52. The two second sprockets 52 are respectively connected to the first sprocket 213 configured in the first clamping group 2-1 and the second clamping group 2-2 through the chain 53. The motor drives the rotating shaft 51 to rotate, so as to drive the first clamping group 2-1 and the second clamping group 2-2 to perform a 180-degree reciprocating rotational motion.
[0024] Working principle of this invention: First, the first clamping group 2-1 is activated, and the first cylinder 13 and the two third cylinders 15 are driven respectively to pull the slide plate 22 and the two docking plates 26 to move synchronously and compress the hydraulic spring 1 25 and the hydraulic spring 27 simultaneously; then, the two steel plates 100 are transferred to the base plate 211. Please see Figure 7 The other side of the steel plate 100 is limited. First, the electromagnet of the first cylinder 13 releases the attraction of the sliding plate 22. The sliding plate 22 moves back to its original position under the reset force of the hydraulic spring 25. At the same time, the translation rod 232 abuts against one side of the steel plate 100, thereby causing the translation rod 232 to move away from the steel plate 100, so as to drive the flipping rod 231 to flip along its middle part. During this process, the sliding rod 234 drives the pressure plate 24 to move downward and press the steel plate 100, thereby compressing the warping of the steel plate 100. Simultaneously, the sliding rod 234 moves upward and compresses the return spring. With the help of the elastic stress of the return spring, the pressing force of the pressure plate 24 on the steel plate 100 is further increased. When the translation rod 232 moves to the end, the top surface of the translation rod 232 abuts against the end of the flipping rod 231. Since the self-weight of the steel plate 100 is greater than the sum of the elastic stress of the torsion spring and the spring rod 233, the steel plate 100 can rely on its own weight to limit the action of the spring rod 233 and the torsion spring driving the translation rod 232 to push the steel plate 100, thereby limiting the upward reset and flipping of the pressure plate 24. Then the electromagnet of the third cylinder 15 is released from its attraction to the docking plate 26. The two docking plates 26 move towards each other under the reset force of the hydraulic spring 27 to push the two steel plates 100 to come closer together to complete the docking operation. The two limiting plates 262 limit the two steel plates 100 in the vertical direction. After the two steel plates 100 are clamped and positioned, welding is performed at the joint. After the welding is completed, the first clamping group 2-1 and the second clamping group 2-2 are driven by the drive mechanism 5 to perform a 180-degree flipping action, so that the front and back positions of the first clamping group 2-1 and the second clamping group 2-2 are interchanged. During the rotation of the first clamping group 2-1, one side of the steel plate 100 abuts against the translation rod 232, which works with the limiting plate 262 and the pressure plate 24 to limit the steel plate 100. After the positions are interchanged, the second clamping group 2-2 repeats the aforementioned steel plate 100 butt clamping process. At the same time, welding is performed on the other side of the two steel plates 100 on the first clamping group 2-1. After the double-sided welding of the two steel plates 100 is completed, the second cylinder 14 and the two third cylinders 15 are driven synchronously to pull the slide plate 22 and the two butt plates 26 to move synchronously, so that the butt plates 26 move away from the steel plates 100. At the same time, the pressure plate 24 flips upward under the reset force of the torsion spring, releasing the pressure limit on the steel plates 100. The two welded steel plates 100 fall under their own gravity, completing the unloading operation.
[0025] Second embodiment: Under normal conditions, although the self-locking function of the motor can be used to keep the first clamping group 2-1 and the second clamping group 2-2 in a horizontal position, the steel plate 100 is heavy, and the self-locking function of the motor is essentially based on static friction to lock the output shaft. The weight of the steel plate 100 will apply a continuous torsional load torque to the motor output shaft. When this torque exceeds the limit value of static friction, the self-locking slippage failure is very likely to occur. Therefore, the two clamping groups 2 are constrained by two limit groups 3. Please see Figure 9 A spline 511 is fixed on the rotating shaft 51. A groove 521, matching the spline 511, is formed on the inner wall of the second sprocket 52, and the width of the groove 521 is greater than the width of the spline 511's protrusion. The diameter of the second sprocket 52 is greater than the diameter of the first sprocket 213. Based on the speed ratio of the sprocket drive, the rotation angle of the second sprocket 52 is less than 180 degrees to drive the first sprocket 213 to rotate 180 degrees, thereby driving the clamping assembly 2 to complete a 180-degree rotation. Please refer to [link to relevant documentation]. Figure 5 A rectangular block 214 is fixed to the outer edge end face of the sprocket 213; Please see Figure 10The limiting assembly 3 includes an abutment plate 31, a turntable 32, and a slide rail 30. The turntable 32 is fixedly connected to the end of the rotating shaft 51. A first pushing block 321 and a second pushing block 322 are fixedly provided on the surface of the turntable 32. Both the first pushing block 321 and the second pushing block 322 are retractable elastic sleeve structures, and they are distributed at a 90-degree angle along the axis of the turntable 32. The abutment plate 31 is slidably mounted on the frame 1 via the slide rail 30. A spring rod 310 is provided at the mating position between the abutment plate 31 and the slide rail 30. One end of the abutment plate 31 abuts against the rectangular block 214, and the other end is integrally formed with two upper and lower opposite extensions 311. One side wall of the extension 311 is a sloping structure. In the initial state, the first push block 321 is in contact with the upper extension 311. When the turntable 32 rotates clockwise, the second push block 322 is compressed along the slope of the lower extension 311 to avoid it. When the turntable 32 rotates counterclockwise, the first push block 321 is compressed along the slope of the upper extension 311 to avoid it.
[0026] Working principle of this invention: During the rotation of the shaft 51, because the width of the groove 521 is greater than the width of the spline 511 protrusion, the rotation of the turntable 32 occurs before that of the sprocket 52; please refer to Figure 11-12 The first pushing block 321 pushes the extension 311 located above to move, thereby causing the abutment plate 31 to slide in the horizontal direction, so that the abutment plate 31 separates from the rectangular block 214, thereby releasing the limiting constraint on the clamping group 2; after the limiting is released, the second sprocket 52 drives the clamping group 2 to rotate through the first sprocket 213.
[0027] When the rectangular block 214 rotates to 135 degrees with the sprocket 213, one corner of the rectangular block 214 is opposite to the abutment plate 31. At the same time, the first push block 321 disengages from the extension 311 above. The abutment plate 31 is reset under the elastic force of the spring rod 310 and abuts against the corner of the rectangular block 214 in advance. After the clamping group 2 completes the 180-degree rotation, the rectangular block 214 and the vertical wall of the abutment plate 31 are in a state of direct contact, so as to realize the limiting and fixing of the clamping group 2 again. In this state, the second push block 322 on the turntable 32 is in contact with the extension 311 below, which is used to release the limiting effect of the abutment plate 31 on the rectangular block 214 again during the reverse rotation of the clamping group 2. Compared to the self-locking method of the motor, the rigid contact between the abutment plate 31 and the rectangular block 214 bears the load, which can directly offset the torsional torque caused by the weight of the steel plate 100, avoid the problem of slippage caused by the motor self-locking due to the load exceeding the static friction limit. At the same time, the motor does not need to be continuously self-locked, which greatly reduces energy consumption. Moreover, the unlocking, rotation and re-limiting actions are automatically completed through the mechanical linkage of the rotating shaft 51, spline 511 clearance fit with the turntable 32, the first push block 321 and the second push block 322, without the need for additional electrical control program coordination.
[0028] Third embodiment: A top plate 12 is fixedly connected to the top of the frame 1 via a bracket 11. Please refer to [link / reference]. Figure 13 The welding mechanism 4 is arranged on the top plate 12. The welding mechanism 4 includes a first electric slide rail 41, an electric telescopic rod 42, a mounting plate 43, a guide rod 44, and a welding gun 45. The first electric slide rail 41 is fixed to the bottom surface of the top plate 12, and the length of the first electric slide rail 41 is the same as the length of the frame 1. The built-in slider of the first electric slide rail 41 is connected to the electric telescopic rod 42. The lower end of the electric telescopic rod 42 is fixedly connected to the mounting plate 43. Multiple guide rods 44 are arranged between the mounting plate 43 and the slider to ensure the stability of the mounting plate 43 during the descent process. The welding gun 45 is mounted on the mounting plate 43. The working process is as follows: After the two steel plates 100 in the first clamping group 2-1 are fixed together, the electric telescopic rod 42 drives the welding gun 45 to move down. Then, the first electric slide rail 41 drives the welding gun 45 to complete the welding operation along the joint of the two steel plates 100. After the welding is completed, the electric telescopic rod 42 drives the welding gun 45 to move up to avoid the 180-degree flipping action of the first clamping group 2-1. After the first clamping group 2-1 is flipped into place, the welding gun 45 moves down again to weld the other joint of the two steel plates 100. During the operation of the first clamping group 2-1 welding the other joint, the second clamping group 2-2 simultaneously completes the fixing of the two steel plates 100. After the welding operation of the two joints of the first clamping group 2-1 is completed, the welding gun 45 moves to the top of the second clamping group 2-2 and repeats the above action to complete the welding operation of the two joints of the two steel plates 100 in the second clamping group 2-2. During the welding of the other side of the two steel plates 100 in the first clamping group 2-1, the second clamping group 2-2 simultaneously completes the butt joint fixing of the two steel plates 100, shortening the process interval time and improving the overall welding operation efficiency.
[0029] Fourth embodiment: Please refer to Figure 14The feeding ports 10 at both ends of the frame 1 are equipped with material conveying mechanisms 6. The material conveying mechanism 6 includes a push plate 61, a second electric slide rail 62, a pallet 63, and a third electric slide rail 64. The third electric slide rail 64 is vertically arranged, and its built-in slider is fixedly connected to the pallet 63. The pallet 63 carries multiple steel plates 100. The second electric slide rail 62 is horizontally arranged, and its built-in slider is fixedly connected to the push plate 61. The push plate 61 can push the two uppermost steel plates 100 of the pallet 63 to the bottom plate 211. After the two uppermost steel plates 100 are removed from the pallet 63, the third electric slide rail 64 drives the pallet 63 to rise, so as to realize the automatic replenishment of steel plates 100. Please see Figure 15 The push plate 61 is not only used to push the steel plate 100, but also to limit the other side of the steel plate 100. Specifically, after the push plate 61 pushes the two steel plates 100 onto the base plate 211, it limits one side of the two steel plates 100. After the pressure plate 24 and the docking plate complete the flattening and docking operation of the steel plates 100, the push plate 61 returns to its initial position, and the third electric slide rail 64 then drives the support plate 63 to rise, completing the replenishment operation of the steel plate 100.
Claims
1. A steel plate welding apparatus for shipbuilding, comprising: A frame (1), a clamping group (2), and a driving mechanism (5); characterized in that: two clamping groups (2) and a driving mechanism (5) are rotatably arranged inside the frame (1); feed inlets (10) are opened at both ends of the frame (1); a first cylinder (13), a second cylinder (14) and two third cylinders (15) are arranged around the two clamping groups (2) on the frame (1), and electromagnets are installed at the extension and retraction ends of the three cylinders; The two clamping assemblies (2) are arranged in opposite directions and include an assembly frame (21), a sliding plate (22), a transmission component (23), a pressure plate (24), a hydraulic spring (25), a docking plate (26), and a hydraulic spring (27). The assembly frame (21) is used to load the steel plate (100), and the assembly frame (21) is rotatably engaged with the frame (1) via a shaft. A sprocket (213) is fixedly mounted on the shaft of the assembly frame (21). The sliding plate (22) is slidably mounted on the assembly frame (21), and the hydraulic spring (25) connects the two. Multiple transmission components (23) are mounted on the sliding plate (22). The two pressure plates (24) are respectively connected to the multiple transmission components (23). When the steel plate (100) abuts against the transmission component (23), the pressure plate (24) is flipped downward by lever principle. When the steel plate (100) is pressed down to connect, one side of the steel plate (100) is limited. The two connecting plates (26) are connected to the assembly frame (21) by hydraulic spring two (27). A limit plate (262) is provided on the connecting plate (26). When the clamping group (2) is facing upward, the first cylinder (13) attracts the sliding plate (22) by electromagnet. When the clamping group (2) is facing upward, the second cylinder (14) attracts the sliding plate (22) by electromagnet. The third cylinder (15) attracts the connecting plate (26) by electromagnet.
2. The steel plate welding device for ship processing according to claim 1, characterized in that: The first cylinder (13) and the second cylinder (14) are arranged opposite each other, and the two third cylinders (15) are set at a 90-degree angle to the first cylinder (13) and the second cylinder (14).
3. The steel plate welding device for ship processing according to claim 1, characterized in that: The transmission component (23) includes: a flipping rod (231), a translation rod (232), a spring rod (233), and a sliding rod (234); the flipping rod (231) is rotatably connected to a connecting rod at its middle part, and the flipping rod (231) is mounted on the sliding plate (22) through the connecting rod. A torsion spring is provided at the rotatable connection point, and the initial force of the torsion spring keeps the flipping rod (231) in an inclined flipping posture; the sliding rod (234) is slidably mounted on the inclined upward end of the flipping rod (231). The sliding rod (234) and the flipping rod (231) are arranged at a 90-degree angle, and a return spring is provided at the sliding engagement point of the two. The end of the sliding rod (234) is fixedly connected to the pressure plate (24). The translation rod (232) is arranged vertically and is slidably mounted on the slide plate (22). In the initial state, the translation rod (232) and the flipping rod (231) are in contact at the downward tilting end. A spring rod (233) is installed at the sliding connection point of the translation rod (232) and the slide plate (22).
4. The steel plate welding device for ship processing according to claim 3, characterized in that: The total elastic stress of the torsion spring and spring rod 1 (233) in the multiple transmission components (23) is less than the weight of the steel plate (100); when the two clamping groups (2) are flipped from the front to the back, they are flipped toward the side where the transmission component (23) is assembled.
5. The steel plate welding device for ship processing according to claim 1, characterized in that: The drive mechanism (5) includes a rotating shaft (51), a second sprocket (52) and a chain (53); the rotating shaft (51) is rotatably mounted in the middle of the frame (1), and the two ends of the rotating shaft (51) are fixedly provided with second sprockets (52). The two second sprockets (52) are respectively connected to the first sprockets (213) configured in the two clamping groups (2) through the chain (53).
6. The steel plate welding device for ship processing according to claim 5, characterized in that: A spline (511) is fixed on the shaft (51), and a groove (521) adapted to the spline (511) is opened on the inner wall of the second sprocket (52), and the width of the groove (521) is greater than the protrusion width of the spline (511); the diameter of the second sprocket (52) is greater than the diameter of the first sprocket (213).
7. The steel plate welding device for ship processing according to claim 1, characterized in that: A rectangular block (214) is fixedly provided on the outer edge end face of the sprocket (213). The two clamping groups (2) are respectively provided with limit groups (3). The limit group (3) includes an abutment plate (31), a turntable (32) and a slide rail (30). The turntable (32) is fixedly connected to the end of the rotating shaft (51). The surface of the turntable (32) is fixedly provided with a first push block (321) and a second push block (322). The first push block (321) and the second push block (322) are both retractable elastic sleeve structures, and both are along the turntable. (32) The axes are distributed at a 90-degree angle; the abutment plate (31) is slidably assembled on the frame (1) via the slide rail (30). A spring rod (310) is provided at the mating position of the abutment plate (31) and the slide rail (30). One end of the abutment plate (31) abuts against the rectangular block (214), and the other end is integrally formed with two upper and lower opposite extensions (311). The single side wall of the extension (311) is a slope structure. In the initial state, the first push block (321) is in contact with the extension (311) mentioned above.
8. The steel plate welding device for ship processing according to claim 1, characterized in that: A top plate (12) is fixedly connected to the top of the frame (1) via a bracket (11). A welding mechanism (4) is provided on the bottom surface of the top plate (12). The welding mechanism (4) includes a first electric slide rail (41), an electric telescopic rod (42), a mounting plate (43), a guide rod (44), and a welding gun (45). The first electric slide rail (41) is fixed to the bottom surface of the top plate (12), and the length of the first electric slide rail (41) is the same as the length of the frame (1). The built-in slider of the first electric slide rail (41) is connected to the electric telescopic rod (42). The lower end of the electric telescopic rod (42) is fixedly connected to the mounting plate (43). Multiple guide rods (44) are arranged between the mounting plate (43) and the slider. The welding gun (45) is mounted on the mounting plate (43).
9. The steel plate welding device for ship processing according to claim 8, characterized in that: After the welding gun (45) completes welding on one side of the steel plate (100) of one of the clamping groups (2), the driving mechanism (5) drives it to rotate 180 degrees to perform welding on the other side; during this period, the other clamping group (2) simultaneously completes the docking and fixing of the steel plate (100).
10. The steel plate welding device for ship processing according to claim 1, characterized in that: The feeding inlets (10) at both ends of the frame (1) are equipped with a feeding mechanism (6); the feeding mechanism (6) includes a push plate (61), a second electric slide rail (62), a pallet (63) and a third electric slide rail (64); the third electric slide rail (64) is arranged vertically, and its built-in slider is fixedly connected to the pallet (63). The pallet (63) carries multiple steel plates (100). The second electric slide rail (62) is arranged horizontally, and its built-in slider is fixedly connected to the push plate (61). The push plate (61) can push the two uppermost steel plates (100) of the pallet (63) to the bottom plate (211); when the steel plates (100) are pressed down and connected, the push plate (61) limits the other side of the steel plates (100).