A curved plate welding mechanism for shipbuilding

Abstract

The present invention relates to the field of curved panel welding, and specifically to a curved panel welding mechanism for shipbuilding, comprising a base for supporting the entire device; a transverse docking assembly, arranged inside the base, for docking the curved panel transversely; two symmetrically arranged diameter adjustment assemblies, used in conjunction with the transverse docking assembly, for clamping and fixing the curved panel; a support plate, arranged inside the diameter adjustment assembly, for supporting the curved panel; a longitudinal docking assembly, located inside the diameter adjustment assembly, used in conjunction with the diameter adjustment assembly, for docking two curved panels longitudinally; and a thickness adjustment assembly, arranged at the output end of the longitudinal docking assembly. The present invention improves the efficiency of welding by combining transverse and longitudinal docking and welding, and can be adjusted according to the size, thickness, length and width of the curved panel, so as to solve the problems of limited scope of application and single splicing direction in the prior art.

Description

Technical Field

[0001] The invention relates to the field of curved plate welding, and in particular to a curved plate welding mechanism for shipbuilding. Background Art

[0002] In the process of ship manufacturing, segmented welding of the hull is an indispensable process. When the existing welding mechanism welds the curved plates for ship manufacturing, it is necessary to fix them better to prevent the fixing effect from being not very good, resulting in poor welding effect, affecting the use of the ship and wasting certain resources. At the same time, the two curved plates need to be butt-jointed at one end during welding, so better adjustment is required to reduce the time wasted by the staff during adjustment.

[0003] The Chinese utility model patent with application number CN202121348391.8 discloses a curved plate welding mechanism for shipbuilding, including a workbench, a rotating rod is installed on the workbench, a curved guide rail is fixed on the outer wall of the rotating rod, the curved guide rail includes a track and a slider, a welding gun is connected to the track, a clamping mechanism is arranged on the workbench, the clamping mechanism includes a U-shaped frame fixed to the side wall of the workbench, an electric telescopic rod is fixedly embedded in the inner bottom of the U-shaped frame, both ends of the U-shaped frame are rotatably connected with angle plates, a slide groove is provided at the lower end of the angle plate, the driving end of the electric telescopic rod is vertically upward, and a connecting rod inserted in two slide grooves is fixed on the outer wall of the driving end. The utility model clamps the curved plate to be welded to ensure stability during welding, and realizes the movement of the welding gun through the curved guide rail to complete the welding work at the connection of the curved plate.

[0004] The curved panel welding technology in the prior art mostly involves fixing two curved panels together and then butting them together, and then welding the butted parts. During this process, it is not convenient to adjust according to the length, width and thickness of the curved panels, and the scope of application is limited. In addition, the existing splicing methods are mostly single-direction splicing, which is not convenient for multi-directional butt jointing of curved panels.

[0005] Therefore, it is necessary to invent a curved plate welding mechanism for shipbuilding to solve the above problems. Summary of the invention

[0006] The purpose of the present invention is to provide a curved plate welding mechanism for shipbuilding, which improves the welding efficiency by combining transverse and longitudinal butt joint and welding, and can be adjusted according to the size, thickness, length and width of the curved plate to solve the problems of limited application range and single splicing direction in the prior art.

[0007] In order to achieve the above-mentioned object, the present invention provides the following technical solution: a curved plate welding mechanism for shipbuilding, comprising

[0008] A base, used to support the entire device;

[0009] A horizontal docking assembly is arranged inside the base and is used to dock the curved panels horizontally;

[0010] Two symmetrically arranged diameter adjustment components are used in conjunction with the horizontal line docking component to clamp and fix the curved panel;

[0011] A support plate, disposed inside the diameter adjustment assembly, for supporting the curved plate;

[0012] A longitudinal docking assembly is located inside the diameter adjustment assembly and is used in conjunction with the diameter adjustment assembly to longitudinally dock two curved panels;

[0013] The thickness adjustment component is arranged at the output end of the longitudinal docking component and is used in conjunction with the support plate to adjust according to the size of the curved panel.

[0014] As a preferred solution of the present invention, the top of the base is slidably connected with an arc-shaped limit plate, the arc-shaped limit plate is driven by a motor, an arc-shaped slide groove is opened on the inner side of the arc-shaped limit plate, the inside of the arc-shaped slide groove is slidably connected with a welding assembly, and the welding assembly is driven by a motor.

[0015] As a preferred solution of the present invention, the horizontal line docking assembly includes a horizontal docking motor installed on one side of the base, the output end of the horizontal docking motor is fixedly connected to a bidirectional screw rod, the top of the base is provided with a horizontal docking groove, the internal sliding connection of the horizontal docking groove is connected to two horizontal limit blocks, the horizontal limit blocks are located at both ends of the bidirectional screw rod and are threadedly connected to the bidirectional screw rod, and the top of the horizontal limit block is fixedly connected to a horizontal movable block.

[0016] As a preferred solution of the present invention, the diameter adjustment assembly includes two groups of support assemblies symmetrically fixed on the top of the transverse movable block, each group of the support assemblies includes two fixed disks, a movable disk is rotatably connected between the two fixed disks, a transverse movable block is installed on the side of the transverse movable block, a rotating connecting rod is fixedly connected to the output end of the transverse movable block, a driving gear is fixedly connected to the outer side of the rotating connecting rod, and a driven rack meshing with the driving gear is fixedly connected to the outer side of the bottom of the movable disk.

[0017] As a preferred solution of the present invention, a plurality of arc-shaped adjustment grooves are provided inside the movable disk, and the plurality of arc-shaped adjustment grooves are distributed in a fan shape about the center point of the movable disk. A plurality of straight limit grooves corresponding to the arc-shaped adjustment grooves are provided inside the fixed disk, and the straight limit grooves are opened outward, and the arc-shaped adjustment grooves are arranged in an arc shape.

[0018] As a preferred solution of the present invention, the support plate includes a sliding through rod, both ends of the sliding through rod are fixedly connected with expansion plates, the tops of the two expansion plates are rotatably connected with rolling rods, the sliding through rod penetrates the linear limit groove and the arc adjustment groove, the two expansion plates are respectively located inside the linear limit groove, and the expansion plates extend to the outside of the linear limit groove.

[0019] As a preferred solution of the present invention, the longitudinal docking assembly includes a hydraulic cylinder fixed on the top of the transverse movable block, the output end of the hydraulic cylinder is fixedly connected to a lifting plate, both ends of the lifting plate are hinged with hinged rods, the outer sides of the two support assemblies are fixedly connected to fixed plates, a cross bar is fixedly connected between the two fixed plates, the outer sides of the cross bar are hinged with a first adjustment plate and a second adjustment plate, the bottoms of the first adjustment plate and the second adjustment plate are fixedly connected to fixed blocks, the fixed blocks are hinged to the hinged rod, and the first adjustment plate and the second adjustment plate are each provided with a cavity matching the support assembly.

[0020] As a preferred solution of the present invention, thickness adjustment components are provided inside the first adjustment plate and the second adjustment plate, and the thickness adjustment components include limiting slide grooves, and four limiting slide grooves are provided, and threaded rods are rotatably connected inside the four limiting slide grooves. The thickness adjustment component also includes a first extrusion bar and a second extrusion bar, and the bottoms of the first extrusion bar and the second extrusion bar are fixedly connected to two threaded blocks, and the threaded blocks respectively cooperate with the four limiting slide grooves, and the threaded blocks are threadedly connected to the threaded rods.

[0021] As a preferred solution of the present invention, the inner side of the top of the first extruded strip is configured to be an arc shape, and the inner top of the second extruded strip is configured to be an arc shape that matches the first extruded strip.

[0022] In the above technical solution, compared with the prior art, the technical effects and advantages provided by the present invention are as follows:

[0023] 1. By starting the diameter adjustment motor, the rotating connecting rod and the driving gear are driven to rotate. The driving gear drives the movable plate to rotate inside the fixed plate through the driven rack. The position where the arc-shaped adjustment groove and the linear limit groove are connected gradually expands outward, so that the sliding penetration rod inside it gradually slides outward, thereby driving the expansion plate to slide inside the linear limit groove, and at the same time driving the rolling rod to move outward. Since the linear limit groove is radially centered on the midline point of the fixed plate, it is convenient to drive multiple support plates to expand synchronously, so as to support the inner wall of the curved plate, improve the support effect, and prevent the curved plate from being welded. Deformation, by starting the hydraulic cylinder to drive the lifting plate to move, wherein the lifting plate drives the first adjustment plate and the second adjustment plate to rotate synchronously through the hinge rod, so that the first curved plate and the second curved plate located on the top thereof are close to each other and docked, thereby completing the longitudinal docking, and since the first adjustment plate and the second adjustment plate move synchronously, it can be ensured that the docking position is located at the highest point, and can be adjusted according to the size of the curved plate, thereby expanding the application range of the device, and by starting the motor to drive the arc-shaped limit plate to slide in the sliding groove, thereby driving the welding assembly to move longitudinally on the top of the base, so as to facilitate the longitudinal welding of the curved plate;

[0024] 2. Start the horizontal docking assembly to drive the screw rod to rotate, and the screw rod drives the two horizontal movable blocks to slide to the opposite side, so that the curved panel fixed above it can be horizontally docked and installed. The welding assembly is driven by the motor to slide inside the arc-shaped slide groove, so as to perform horizontal welding on the curved panel, which is convenient for multi-directional welding and improves the adaptability of the device. The longitudinal and transverse directions can be used in combination to improve the welding efficiency;

[0025] 3. The position of the second extrusion strip inside the limiting slide groove is adjusted by rotating the two threaded rods threadedly connected to the threaded block at the bottom of the second extrusion strip, and the position of the first extrusion strip inside the limiting slide groove is adjusted by rotating the two threaded rods threadedly connected to the threaded block at the bottom of the first extrusion strip, thereby adjusting the positions of the first extrusion strip and the second extrusion strip, which can be adjusted according to the size and thickness of the curved panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0027] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 It is a schematic diagram of the top view structure of the present invention;

[0029] Figure 3 It is a schematic diagram of the overall structure of the diameter adjustment assembly of the present invention;

[0030] Figure 4 It is a schematic diagram of the internal structure of the diameter adjustment component of the present invention;

[0031] Figure 5 For the present invention Figure 4 The enlarged structural diagram at A in the middle;

[0032] Figure 6 It is a schematic diagram of the connection structure between the movable disk and the support plate of the present invention;

[0033] Figure 7 It is a schematic diagram of the exploded structure of the arc-shaped adjustment groove and the fixed plate of the present invention;

[0034] Figure 8 It is a schematic diagram of the docking structure of the first curved panel and the second curved panel of the present invention;

[0035] Fig. 9 It is a schematic diagram of the three-dimensional structure of the support plate of the present invention;

[0036] Fig.10 It is a schematic diagram of the internal structure of the second adjustment plate of the present invention.

[0037] Description of reference numerals:

[0038] 001, base; 002, horizontal line docking assembly; 003, diameter adjustment assembly; 004, support plate; 005, longitudinal docking assembly; 006, thickness adjustment assembly;

[0039] 101. arc-shaped limit plate; 102. welding assembly; 103. arc-shaped slide groove;

[0040] 201, horizontal docking motor; 202, horizontal docking slide; 203, horizontal limit block; 204, horizontal movable block;

[0041] 310, support assembly; 301, diameter adjustment motor; 302, rotating connecting rod; 303, driving gear; 304, driven rack; 305, movable plate; 306, arc adjustment slot; 307, fixed plate; 308, linear limit slot;

[0042] 401, sliding through rod; 402, expansion plate; 403, rolling rod;

[0043] 501, fixed plate; 502, hydraulic cylinder; 503, lifting plate; 504, hinged rod; 505, fixed block; 506, first adjustment plate; 507, second adjustment plate; 508, cavity;

[0044] 601, threaded rod; 602, first extruded strip; 603, second extruded strip; 604, threaded block;

[0045] 701, first curved panel; 702, second curved panel. DETAILED DESCRIPTION

[0046] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings.

[0047] The present invention provides Figure 1-10 A curved plate welding mechanism for shipbuilding shown includes a base 001 for supporting the entire device;

[0048] The horizontal docking assembly 002 is arranged inside the base 001 and is used to dock the curved panels horizontally;

[0049] Two symmetrically arranged diameter adjustment components 003 are used in conjunction with the horizontal line docking component 002 to clamp and fix the curved panel;

[0050] The support plate 004 is disposed inside the diameter adjustment assembly 003 and is used to support the curved plate;

[0051] The longitudinal docking assembly 005 is located inside the diameter adjustment assembly 003 and is used in conjunction with the diameter adjustment assembly 003 to longitudinally dock two curved panels;

[0052] The thickness adjustment component 006 is arranged at the output end of the longitudinal docking component 005 and is used in conjunction with the support plate 004 to adjust the thickness according to the size of the curved plate;

[0053] During use, when the curved panels need to be butt-welded transversely, the user can place the two curved panels on the top of the two diameter adjustment components 003 respectively, and then start the diameter adjustment component 003 to clamp them. At this time, the support plate 004 extends out to support the inner wall of the curved panel to prevent it from deforming, and then start the longitudinal butt-jointing component 005 to drive it to fix the curved panel, and then drive the two curved panels to butt-joint through the horizontal butt-jointing component 002, and then start the welding component 102 to weld them. At the same time, the motor drives the welding component 102 to slide inside the arc-shaped slide groove 103, so as to perform transverse sliding welding on them. When the curved panels need to be welded longitudinally, the user can place the first curved panel 701 on the The outer side of the diameter adjustment component 003 is close to the position of the second adjustment plate 507, so that the thickness adjustment component 006 limits it, and the second curved panel 702 is placed close to the first adjustment plate 506, and then the longitudinal docking component 005 is started to rotate the first adjustment plate 506 and the second adjustment plate 507 close to each other, thereby making the first curved panel 701 and the second curved panel 702 close to docking, and then the welding component 102 is started, and sliding grooves that cooperate with the arc limiting plate 101 are opened on both sides of the top of the arc limiting plate 101. At the same time, the motor is started to drive the arc limiting plate 101 in the sliding groove on the top of the base 001, so as to perform longitudinal welding setting on the curved panel, wherein the longitudinal and transverse directions can be used in combination to improve the welding efficiency.

[0054] In the structure, the top of the base 001 is slidably connected with an arc-shaped limit plate 101, the arc-shaped limit plate 101 is driven by a motor, an arc-shaped slide groove 103 is opened on the inner side of the arc-shaped limit plate 101, and a welding assembly 102 is slidably connected inside the arc-shaped slide groove 103, and the welding assembly 102 is driven by a motor;

[0055] When welding, the user can start the motor to drive the arc-shaped limit plate 101 to slide in the sliding groove, thereby driving the welding assembly 102 to move longitudinally on the top of the base 001, so as to facilitate longitudinal welding of the curved panel, or drive the welding assembly 102 to slide inside the arc-shaped sliding groove 103 through the motor, so as to perform horizontal welding on the curved panel, which is convenient for multi-directional welding and improves the adaptability of the device.

[0056] In order to improve the welding efficiency, the horizontal line docking assembly 002 includes a horizontal docking motor 201 installed on one side of the base 001, the output end of the horizontal docking motor 201 is fixedly connected with a bidirectional screw rod, the top of the base 001 is provided with a horizontal docking slot 202, the inside of the horizontal docking slot 202 is slidably connected with two horizontal limit blocks 203, the horizontal limit blocks 203 are located at both ends of the bidirectional screw rod and are threadedly connected with the bidirectional screw rod, and the top of the horizontal limit block 203 is fixedly connected with a horizontal movable block 204;

[0057] When performing lateral docking, the user can start the lateral docking assembly 002 to drive the screw rod to rotate, and the screw rod drives the two lateral movable blocks 204 to slide to the opposite side, so that the curved panel fixed above them can be docked and installed.

[0058] In the above structure, the diameter adjustment component 003 includes two groups of support components 310 symmetrically fixed on the top of the transverse movable block 204, each group of support components 310 includes two fixed disks 307, a movable disk 305 is rotatably connected between the two fixed disks 307, a transverse movable block 204 is installed on the side of the transverse movable block 204, a rotating connecting rod 302 is fixedly connected to the output end of the transverse movable block 204, a driving gear 303 is fixedly connected to the outer side of the rotating connecting rod 302, and a driven rack 304 meshing with the driving gear 303 is fixedly connected to the outer side of the bottom of the movable disk 305;

[0059] When performing longitudinal docking or clamping, in order to adapt to the size of the curved panel, the user can start the diameter adjustment motor 301 to drive the rotating connecting rod 302 and the driving gear 303 to rotate, and the driving gear 303 drives the movable disk 305 to rotate inside the fixed disk 307 through the driven rack 304.

[0060] Among them, a plurality of arc-shaped adjustment grooves 306 are opened inside the movable disk 305, and the plurality of arc-shaped adjustment grooves 306 are distributed in a fan shape about the center point of the movable disk 305. A plurality of straight limit grooves 308 corresponding to the arc-shaped adjustment grooves 306 are opened inside the fixed disk 307. The straight limit grooves 308 are opened outward, and the arc-shaped adjustment grooves 306 are arranged in an arc shape. The rotation of the movable disk 305 makes the position where the arc-shaped adjustment grooves 306 and the straight limit grooves 308 are connected gradually expand outward.

[0061] In the structure, the support plate 004 includes a sliding through rod 401, both ends of the sliding through rod 401 are fixedly connected with an expansion plate 402, the tops of the two expansion plates 402 are rotatably connected with a rolling rod 403, the rolling rod 403 rolls on the inner side of the curved plate to prevent the curved plate from being scratched, the sliding through rod 401 penetrates the linear limit groove 308 and the arc adjustment groove 306, the two expansion plates 402 are respectively located inside the linear limit groove 308, and the expansion plates 402 extend to the outer side of the linear limit groove 308;

[0062] The position where the arc-shaped adjustment groove 306 and the straight limit groove 308 are connected gradually expands outward, causing the sliding through rod 401 inside it to gradually slide outward, thereby driving the expansion plate 402 to slide inside the straight limit groove 308, and at the same time driving the rolling rod 403 to move outward. Since the straight limit groove 308 is radially centered on the midline point of the fixed plate 307, it is convenient to drive multiple support plates 004 to expand synchronously, so as to support the inner wall of the curved panel, improve the supporting effect, and prevent the curved panel from deforming during welding.

[0063] The longitudinal docking assembly 005 includes a hydraulic cylinder 502 fixed on the top of the transverse movable block 204, the output end of the hydraulic cylinder 502 is fixedly connected to a lifting plate 503, both ends of the lifting plate 503 are hinged with hinged rods 504, the outer sides of the two support assemblies 310 are fixedly connected to fixed plates 501, a cross bar is fixedly connected between the two fixed plates 501, the outer sides of the cross bar are hinged with a first adjustment plate 506 and a second adjustment plate 507, the bottoms of the first adjustment plate 506 and the second adjustment plate 507 are fixedly connected to a fixed block 505, the fixed block 505 is hinged to the hinged rod 504, and the first adjustment plate 506 and the second adjustment plate 507 are both provided with a cavity 508 matched with the support assembly 310;

[0064] In order to make the longitudinal docking position and angle at the highest end, the user can move the two curved panels simultaneously. At this time, one end of the curved panel is located inside the first adjustment plate 506 or the second adjustment plate 507. The user starts the hydraulic cylinder 502 to drive the lifting plate 503 to move, wherein the lifting plate 503 drives the first adjustment plate 506 and the second adjustment plate 507 to rotate synchronously through the hinge rod 504, so that the first curved panel 701 and the second curved panel 702 located on the top thereof are close to each other for docking, thereby completing the longitudinal docking. Moreover, since the first adjustment plate 506 and the second adjustment plate 507 move synchronously, it can be ensured that the docking position is at the highest point.

[0065] In the above structure, the first adjustment plate 506 and the second adjustment plate 507 are both provided with a thickness adjustment component 006, the thickness adjustment component 006 includes a limiting slide groove, four limiting slide grooves are provided, the inside of the four limiting slide grooves are rotatably connected with a threaded rod 601, the thickness adjustment component 006 also includes a first extrusion bar 602 and a second extrusion bar 603, the bottom of the first extrusion bar 602 and the second extrusion bar 603 are both fixedly connected with two threaded blocks 604, the threaded blocks 604 can limit the device to improve stability, the threaded blocks 604 are respectively matched with the four limiting slide grooves, and the threaded blocks 604 are threadedly connected with the threaded rod 601;

[0066] In order to adjust according to the size and thickness of the curved panel, the user can adjust the position of the second extrusion bar 603 inside the limiting slide groove by rotating the two threaded rods 601 threadedly connected to the threaded block 604 at the bottom of the second extrusion bar 603, and adjust the position of the first extrusion bar 602 inside the limiting slide groove by rotating the two threaded rods 601 threadedly connected to the threaded block 604 at the bottom of the first extrusion bar 602, thereby adjusting the positions of the first extrusion bar 602 and the second extrusion bar 603.

[0067] The inner side of the top of the first extrusion strip 602 is set to be an arc shape, and the inner top of the second extrusion strip 603 is set to be an arc shape that matches the first extrusion strip 602 to prevent damage to the curved panel.

[0068] The above description is only by way of illustration of certain exemplary embodiments of the present invention. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A curved plate welding mechanism for shipbuilding, characterized in that: include A base (001) is used to support the entire device; A horizontal docking assembly (002) is arranged inside the base (001) and is used to horizontally dock the curved panels; Two symmetrically arranged diameter adjustment components (003) are used in conjunction with the horizontal line docking component (002) to clamp and fix the curved panel; A support plate (004) is arranged inside the diameter adjustment assembly (003) and is used to support the curved plate; A longitudinal butt joint component (005) is located inside the diameter adjustment component (003) and is used in conjunction with the diameter adjustment component (003) to longitudinally butt joint two curved panels; A thickness adjustment component (006) is arranged at the output end of the longitudinal docking component (005) and is used in conjunction with the support plate (004) to adjust the thickness according to the size of the curved plate; The horizontal line docking assembly (002) comprises a horizontal docking motor (201) installed on one side of the base (001), the output end of the horizontal docking motor (201) is fixedly connected to a bidirectional screw rod, the top of the base (001) is provided with a horizontal docking slot (202), the interior of the horizontal docking slot (202) is slidably connected to two horizontal limit blocks (203), the horizontal limit blocks (203) are located at both ends of the bidirectional screw rod and are threadedly connected to the bidirectional screw rod, and the top of the horizontal limit block (203) is fixedly connected to a horizontal movable block (204); The diameter adjustment assembly (003) comprises two groups of support assemblies (310) symmetrically fixed on the top of the transverse movable block (204), each group of the support assemblies (310) comprises two fixed disks (307), a movable disk (305) is rotatably connected between the two fixed disks (307), a transverse movable block (204) is installed on the side of the transverse movable block (204), a rotating connecting rod (302) is fixedly connected to the output end of the transverse movable block (204), a driving gear (303) is fixedly connected to the outer side of the rotating connecting rod (302), and a driven rack (304) meshingly connected to the driving gear (303) is fixedly connected to the outer side of the bottom of the movable disk (305); The movable disk (305) is provided with a plurality of arc-shaped adjustment grooves (306) arranged in a fan-shaped arrangement about the center point of the movable disk (305); the fixed disk (307) is provided with a plurality of linear limit grooves (308) corresponding to the arc-shaped adjustment grooves (306); the linear limit grooves (308) are arranged to open outwards; and the arc-shaped adjustment grooves (306) are arranged in an arc shape; The support plate (004) includes a sliding through rod (401), both ends of the sliding through rod (401) are fixedly connected to an expansion plate (402), the tops of the two expansion plates (402) are rotatably connected to a rolling rod (403), the sliding through rod (401) penetrates the linear limit groove (308) and the arc-shaped adjustment groove (306), the two expansion plates (402) are respectively located inside the linear limit groove (308), and the expansion plates (402) extend to the outside of the linear limit groove (308); The longitudinal docking assembly (005) comprises a hydraulic cylinder (502) fixed on the top of the transverse movable block (204); the output end of the hydraulic cylinder (502) is fixedly connected to a lifting plate (503); both ends of the lifting plate (503) are hinged to hinged rods (504); the outer sides of the two support assemblies (310) are fixedly connected to fixed plates (501); a cross bar is fixedly connected between the two fixed plates (501); the outer sides of the cross bar are hinged to a first adjustment plate (506) and a second adjustment plate (507); the bottoms of the first adjustment plate (506) and the second adjustment plate (507) are fixedly connected to a fixing block (505); the fixing block (505) is hinged to the hinged rod (504); the first adjustment plate (506) and the second adjustment plate (507) are both provided with a cavity (508) matching the support assembly (310); The first adjustment plate (506) and the second adjustment plate (507) are both provided with a thickness adjustment component (006), the thickness adjustment component (006) comprising a limiting slide groove, wherein four limiting slide grooves are provided, and the insides of the four limiting slide grooves are rotatably connected with a threaded rod (601), the thickness adjustment component (006) further comprises a first extrusion bar (602) and a second extrusion bar (603), the bottoms of the first extrusion bar (602) and the second extrusion bar (603) are both fixedly connected with two threaded blocks (604), the threaded blocks (604) respectively cooperate with the four limiting slide grooves, and the threaded blocks (604) are threadedly connected to the threaded rod (601).

2. A curved plate welding mechanism for shipbuilding according to claim 1, characterized in that: The top of the base (001) is slidably connected to an arc-shaped limit plate (101), the arc-shaped limit plate (101) is driven by a motor, an arc-shaped slide groove (103) is provided on the inner side of the arc-shaped limit plate (101), a welding assembly (102) is slidably connected inside the arc-shaped slide groove (103), and the welding assembly (102) is driven by a motor.

3. A curved plate welding mechanism for shipbuilding according to claim 2, characterized in that: The inner side of the top of the first extruded strip (602) is arranged in an arc shape, and the inner top of the second extruded strip (603) is arranged in an arc shape that matches the first extruded strip (602).

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