Ship sheet welding device with compensating and leveling functions

Abstract

The invention relates to the technical field of sheet welding, in particular to a ship sheet welding device with compensation and leveling functions. The technical problems that limiting and supporting on the edge of a welding seam of a thin plate are insufficient, the thermal deformation restraining effect on the thin plate is poor, the position of a welding gun is fixed, and temperature compensation cannot be conveniently formed on the surrounding area of the welding position are solved. A ship sheet welding device with compensation and leveling functions comprises a bottom plate and the like. The two brackets are fixedly connected to the bottom plate, and the thin plate bodies are placed on the two brackets. The limiting strips and the lower pressing strips jointly clamp and support the thin plate bodies, when the thin plate bodies slightly deform, the limiting strips and the lower pressing strips jointly extrude the thin plate bodies, the thin plate bodies can be leveled, the welding edges of the two thin plate bodies are straighter, and therefore the thin plate bodies are better welded.

Description

Technical Field

[0001] The present invention relates to the technical field of thin plate welding, and particularly relates to a ship thin plate welding device with a compensation and leveling function. Background Art

[0002] For the purpose of reducing the weight of the ship and the production cost of the ship, a relatively large number of thin plates with a thickness less than or equal to 6 mm are used in the hull structure and the superstructure on the ship. When the size of the thin plate is insufficient, usually two or even more thin plates need to be welded together. The existing thin plate welding devices have the following problems: 1. Due to local overheating, the welding edges of the thin plates are prone to thermal deformation. The fixture structure of the existing thin plate welding devices is relatively simple, the limit support for the weld edges of the thin plates is not sufficient, and the suppression effect on the thermal deformation of the thin plates is poor; 2. The position of the welding torch of the existing thin plate welding devices is relatively fixed, which is not convenient for forming temperature compensation for the surrounding area of the welding position, and local overheating of the thin plate is likely to occur, which may cause large thermal deformation of the thin plate and affect the welding quality. Summary of the Invention

[0003] In order to overcome the above-mentioned drawbacks, the present invention provides a ship thin plate welding device with a compensation and leveling function, which can more fully limit and support the weld edges of the thin plates and is convenient for adjusting the position of the welding torch to form temperature compensation for the surrounding area of the welding position, thereby reducing the thermal deformation of the thin plates.

[0004] The technical solution of the present invention is as follows: A ship thin plate welding device with a compensation and leveling function, comprising: A bottom plate; Two brackets, both fixedly connected to the bottom plate, and thin plate bodies are placed on both brackets; A main bracket, fixedly connected to the bottom plate, and a through groove is opened in the upper part of the main bracket; Two light-shielding and light-transmitting plates, both fixedly connected to the main bracket; A clamping and leveling assembly, arranged on the main bracket; A welding assembly, arranged on the clamping and leveling assembly; A rolling limit assembly is arranged on the main bracket, and the rolling limit assembly is connected to the welding assembly.

[0005] In one embodiment, the clamping and leveling assembly includes: A set of hydraulic rods are fixedly connected to both sides of the through groove of the main bracket, and the number of the two sets of hydraulic rods is two; A lifting frame is fixedly connected between the telescopic rods of each set of two hydraulic rods; A pressing strip is fixedly connected to the lower part of the lifting frame; Two limiting strips are respectively fixedly connected to one side of the two brackets close to each other.

[0006] In one embodiment, the welding assembly includes: an upper slide rail fixedly connected between two lifting frames; an upper electric slider slidably connected to the upper slide rail; two guide bars both fixedly connected to the lower side of the upper electric slider; a mounting bracket slidably connected between the two guide bars; and a welding gun fixedly connected to the lower part of the mounting bracket.

[0007] In one embodiment, the rolling limit assembly includes: a lower slide rail fixedly connected to the lower part of the main bracket; a lower electric slider slidably connected to the lower slide rail; support frames fixedly connected to one side of the upper electric slider and the lower electric slider close to each other, and the two support frames are symmetrically arranged; and three rollers rotatably connected to one end of the two support frames close to each other.

[0008] In one embodiment, there is also a moving component. The moving component is arranged on the support frame located above, the moving component is connected to the mounting bracket, and the moving component is used to slightly move the welding gun. The moving component includes: a guide groove wheel frame rotatably connected to the upper support frame, and a wave-shaped guide groove connected end to end is formed on the guide groove wheel frame; a transmission rod frame fixedly connected to the mounting bracket, and one end of the transmission rod frame is located in the wave-shaped guide groove on the guide groove wheel frame; a pulley group is arranged between the roller closest to the guide groove wheel frame and the guide groove wheel frame. The pulley group includes a large pulley, a small pulley and a transmission belt. The large pulley is fixedly connected to the roller closest to the guide groove wheel frame, the small pulley is fixedly connected to the guide groove wheel frame, and the transmission belt is wound between the large pulley and the small pulley.

[0009] In one embodiment, there is also: a flame preheating component fixedly connected to the upper side of the lower electric slider, and the flame preheating component is located on the side of the support frame away from the welding gun.

[0010] In one embodiment, there is also an adsorption component. The adsorption component is arranged on the bracket, and the adsorption component is used to adsorb the thin plate body. The adsorption component includes: four air storage cylinders fixedly connected to the bottom plate; two transmission frames are fixedly connected to the lower parts of the two lifting frames; the bottom ends of the four transmission frames are all fixedly connected with partition plates, and the partition plates are slidably connected to the air storage cylinders; mounting plates are fixedly connected to the upper parts of the two brackets; a number of rubber blocks are fixedly connected to the two mounting plates; pipe racks are fixedly connected to the two mounting plates, and two communication ports are arranged on the two pipe racks. The communication ports on the pipe racks are located above the partition plates, and the pipe racks and the two air storage cylinders on the same side of the main bracket are communicated; a number of suction cups are arranged on the two pipe racks, and the number of suction cups are all communicated with the pipe racks.

[0011] In one embodiment, there are also: two protective plates respectively fixedly connected to one side of the two support frames close to the welding gun.

[0012] Beneficial effects: 1. The limiting strip and the pressing strip jointly clamp and support the thin plate body. When the thin plate body is slightly deformed, the limiting strip and the pressing strip jointly squeeze the thin plate body, which can level the thin plate body, making the welding edges of the two thin plate bodies straighter, so as to better weld the thin plate body. Then, the upper roller and the lower roller respectively roll the upper side and the lower side of the welding edges of the two thin plate bodies, so as to more fully clamp and support the welding edges of the two thin plate bodies. Then, the welding gun welds the two thin plate bodies. In this way, the limiting strip and the pressing strip jointly clamp and limit the two sides of the welding edges of the two thin plate bodies, thereby suppressing the deformation of the thin plate body during the welding process. The upper roller and the lower roller jointly clamp and limit a part of the welding edges of the two thin plate bodies, thereby further suppressing the deformation of the thin plate body during the welding process, making the weld more straight, and thus improving the welding effect.

[0013] 2. The upper roller rolls the upper side of the welding edges of the two thin plate bodies. The thin plate body drives the roller to rotate through friction. The rotation of one roller drives the guide groove wheel frame to rotate through a pulley group. The guide groove wheel frame squeezes the transmission rod frame, the mounting bracket and the welding gun to move slightly back and forth in the direction perpendicular to the welding edges of the two thin plate bodies. In this way, the welding gun moves along a wavy path, thereby increasing the heating range for adjusting the welding position, forming temperature compensation for the surrounding area of the welding position, and thus reducing the deformation of the thin plate body caused by local overheating. In this way, the welding effect on the thin plate body is further improved.

[0014] 3. The telescopic rod of the hydraulic rod extends to drive the lifting frame, the pressing strip, the transmission frame and the partition plate to move downward. A negative pressure is formed in the cavity above the partition plate in the suction cup, the pipe rack and the air storage cylinder. The suction cup adsorbs the thin plate body. The rubber block hinders the sliding of the thin plate body through friction. Then, the pressing strip contacts the upper side of the thin plate body. The limiting strip and the pressing strip jointly clamp and support the thin plate body, thereby reducing the offset caused by the pressing of the pressing strip on the thin plate body, and thus welding the thin plate body more accurately. Description of the drawings

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the present invention.

[0016] Figure 2 It is a three-dimensional structural schematic diagram of the clamping and leveling assembly, the welding assembly and the adsorption assembly of the present invention.

[0017] Figure 3 It is a partial three-dimensional structural schematic diagram of the clamping and leveling assembly, the welding assembly, the rolling and limiting assembly and the adsorption assembly of the present invention.

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the clamping and leveling assembly and the welding assembly of the present invention.

[0019] Figure 5 This is the first partial three-dimensional structural schematic diagram of the welding assembly, rolling limit assembly, moving assembly, flame preheating component and protective plate of the present invention.

[0020] Figure 6 This is the second partial three-dimensional structural schematic diagram of the welding assembly, rolling limit assembly, moving assembly, flame preheating component and protective plate of the present invention.

[0021] Figure 7 This is the three-dimensional structural schematic diagram of the welding assembly, rolling limit assembly and moving assembly of the present invention.

[0022] Figure 8 This is the three-dimensional structural schematic diagram of the welding assembly, rolling limit assembly and adsorption assembly of the present invention.

[0023] Figure 9 This is the partial cross-sectional three-dimensional structural schematic diagram of the adsorption assembly of the present invention.

[0024] The markings in the figure are: 1 - bottom plate, 2 - bracket, 3 - main bracket, 4 - light-shielding transparent plate, 5 - thin plate body, 61 - hydraulic rod, 62 - lifting frame, 63 - lower pressing strip, 64 - limiting strip, 71 - upper slide rail, 72 - upper electric slider, 73 - guiding strip, 74 - mounting bracket, 75 - welding gun, 81 - lower slide rail, 82 - lower electric slider, 83 - support frame, 84 - roller, 91 - guiding groove wheel frame, 92 - transmission rod frame, 93 - pulley group, 901 - flame preheating component, 101 - air storage cylinder, 102 - transmission frame, 103 - partition plate, 104 - mounting plate, 105 - rubber block, 106 - pipe rack, 107 - suction cup, 11 - protective plate. Detailed implementation manners

[0025] The present invention will be further described below with reference to the embodiments shown in the drawings.

[0026] Embodiment 1: A ship thin plate welding device with a compensation and leveling function, as Figures 1-9 shown, including: Bottom plate 1; Two brackets 2, both connected to the bottom plate 1 by bolts, and the thin plate body 5 is placed on both of the two brackets 2; Main bracket 3, connected to the bottom plate 1 by bolts, and a through groove is opened in the upper part of the main bracket 3; Two light-shielding transparent plates 4, both connected to the main bracket 3 by bolts; Clamping and leveling assembly, arranged on the main bracket 3, and the clamping and leveling assembly is used to clamp and level the thin plate body 5; Welding assembly, arranged on the clamping and leveling assembly, and the welding assembly is used to weld the thin plate body 5; The rolling limit component is arranged on the main bracket 3. The rolling limit component is connected to the welding component and is used for rolling the thin plate body 5.

[0027] The clamping and leveling component includes: A set of hydraulic rods 61 are bolted to both sides of the through slot of the main bracket 3, and the number of the two sets of hydraulic rods 61 is two; A lifting frame 62 is bolted between the telescopic rods of each set of two hydraulic rods 61; A lower pressing strip 63 is welded to the lower part of the lifting frame 62; Two limiting strips 64 are respectively welded to one side of the two brackets 2 close to each other.

[0028] The welding component includes: An upper slide rail 71 is bolted between the two lifting frames 62; An upper electric slider 72 is slidably connected to the upper slide rail 71; Two guiding strips 73 are welded to the lower side surface of the upper electric slider 72; A mounting bracket 74 is slidably connected between the two guiding strips 73; A welding gun 75 is bolted to the lower part of the mounting bracket 74.

[0029] The rolling limit component includes: A lower slide rail 81 is bolted to the lower part of the main bracket 3; A lower electric slider 82 is slidably connected to the lower slide rail 81; Support frames 83 are welded to the sides of the upper electric slider 72 and the lower electric slider 82 close to each other, and the two support frames 83 are symmetrically arranged; Three rollers 84 are rotatably connected to one end of the two support frames 83 close to each other.

[0030] The worker places the two thin plate bodies 5 to be welded on two brackets 2 respectively, such that the welding edges of the two thin plate bodies 5 are located between two limiting bars 64, and the welding edges of the two thin plate bodies 5 are aligned with the welding gun 75. The worker activates the hydraulic rod 61, and the telescopic rod of the hydraulic rod 61 extends to drive the lifting frame 62, the lower pressing strip 63, the upper sliding rail 71, the upper electric slider 72, the guiding strip 73, the mounting bracket 74, and the welding gun 75 to move downward. The lower pressing strip 63 contacts the upper side of the thin plate body 5, and the limiting bar 64 and the lower pressing strip 63 jointly clamp and support the thin plate body 5. When the thin plate body 5 has slight deformation, the limiting bar 64 and the lower pressing strip 63 jointly extrude the thin plate body 5, which can level the thin plate body 5, making the welding edges of the two thin plate bodies 5 straighter, so as to better weld the thin plate body 5. Then the worker activates the upper electric slider 72 and the lower electric slider 82. The upper electric slider 72 and the lower electric slider 82 move synchronously along the upper sliding rail 71 and the lower sliding rail 81 respectively. The upper electric slider 72 drives the guiding strip 73, the mounting bracket 74, the welding gun 75, the upper support frame 83, and the upper roller 84 to move along the upper sliding rail 71, and the lower electric slider 82 drives the lower support frame 83 and the lower roller 84 to move along the lower sliding rail 81. The upper roller 84 and the lower roller 84 respectively roll-press the upper side and the lower side of the welding edges of the two thin plate bodies 5, so as to more fully clamp and support the welding edges of the two thin plate bodies 5. When the lower end of the welding gun 75 is located above the welding edges of the two thin plate bodies 5, the worker activates the welding gun 75, and the upper electric slider 72 and the lower electric slider 82 continue to move. The welding gun 75 welds the two thin plate bodies 5. In this way, the limiting bar 64 and the lower pressing strip 63 jointly clamp and limit the two sides of the welding edges of the two thin plate bodies 5, thereby suppressing the deformation of the thin plate body 5 during the welding process. The upper roller 84 and the lower roller 84 jointly clamp and limit a part of the welding edges of the two thin plate bodies 5, thereby further suppressing the deformation of the thin plate body 5 during the welding process, making the weld seam straighter, and thus improving the welding effect. Then when the welding gun 75 moves to a position where it is no longer above the welding edges of the two thin plate bodies 5, the welding gun 75 completes the welding of the two thin plate bodies 5. Then the worker turns off the welding gun 75. After the weld seams of the two thin plate bodies 5 are cooled, the worker controls the telescopic rod of the hydraulic rod 61 to contract, driving the lifting frame 62, the lower pressing strip 63, the upper sliding rail 71, the upper electric slider 72, the guiding strip 73, the mounting bracket 74, and the welding gun 75 to move upward to reset. The limiting bar 64 and the lower pressing strip 63 no longer clamp the thin plate body 5. The worker pulls out the two thin plate bodies 5 from one side of the main bracket 3. Then the worker controls the upper electric slider 72 and the lower electric slider 82 to move in the reverse direction to reset. The upper electric slider 72 drives the guiding strip 73, the mounting bracket 74, and the welding gun 75 to move along the upper sliding rail 71 direction to reset.The lower electric slider 82 drives the lower support frame 83 and the lower roller 84 to move reversely along the lower slide rail 81 to reset.

[0031] Embodiment 2: On the basis of Embodiment 1, as Figures 5-7 shown, it further includes a moving component. The moving component is arranged on the upper support frame 83, and the moving component is connected to the mounting bracket 74. The moving component is used to slightly move the welding gun 75. The moving component includes: a guiding grooved wheel frame 91, rotatably connected to the upper support frame 83, and a wavy guiding groove that is connected end to end is formed on the guiding grooved wheel frame 91; a transmission rod frame 92, welded to the mounting bracket 74, and one end of the transmission rod frame 92 is located in the wavy guiding groove on the guiding grooved wheel frame 91; a pulley group 93 is arranged between the roller 84 closest to the guiding grooved wheel frame 91 and the guiding grooved wheel frame 91. The pulley group 93 includes a large pulley, a small pulley and a transmission belt. The large pulley is connected to the roller 84 closest to the guiding grooved wheel frame 91 through a flat key, the small pulley is connected to the guiding grooved wheel frame 91 through a flat key, and the transmission belt is wound between the large pulley and the small pulley.

[0032] The upper electric slider 72 drives the guiding strip 73, the mounting bracket 74, the welding gun 75, the upper support frame 83 and the upper roller 84 to move along the upper slide rail 71. The upper roller 84 rolls the upper side of the welding edges of the two thin plate bodies 5. The thin plate body 5 drives the roller 84 to rotate through friction. One of the rollers 84 rotates to drive the guiding grooved wheel frame 91 to rotate through the pulley group 93. The guiding grooved wheel frame 91 squeezes the transmission rod frame 92, the mounting bracket 74 and the welding gun 75 to move slightly back and forth in the direction perpendicular to the welding edges of the two thin plate bodies 5. Thus, the welding gun 75 moves along a wavy path, so as to increase the heat-receiving range for adjusting the welding position, form temperature compensation for the surrounding area of the welding position, and further reduce the deformation of the thin plate body 5 caused by local overheating. Thus, the welding effect on the thin plate body 5 is improved.

[0033] Embodiment 3: On the basis of Embodiment 2, as Figure 5 and Figure 6 shown, it further includes: a flame preheating component 901, connected to the upper side of the lower electric slider 82 through bolts, and the flame preheating component 901 is located on the side of the support frame 83 away from the welding gun 75.

[0034] The upper electric slider 72 and the lower electric slider 82 move synchronously along the upper slide rail 71 and the lower slide rail 81 respectively. The lower electric slider 82 drives the lower support frame 83, the lower roller 84 and the flame preheating component 901 to move along the lower slide rail 81. When the flame preheating component 901 is located below the welding edges of the two thin plate bodies 5, the worker starts the flame preheating component 901, and the flame preheating component 901 preheats the lower sides of the welding edges of the two thin plate bodies 5, and then the welding gun 75 welds the two thin plate bodies 5, thereby reducing the local temperature difference during welding, and further reducing the thermal deformation of the thin plate body 5.

[0035] Embodiment 4: On the basis of Embodiment 3, as Figure 2 , Figure 3 , Figure 8 and Figure 9 shown, it further includes an adsorption component. The adsorption component is arranged on the bracket 2 and is used for adsorbing the thin plate body 5. The adsorption component includes: four air storage cylinders 101 welded to the bottom plate 1; two lower parts of the lifting frames 62 are both welded with two transmission frames 102; the bottoms of the four transmission frames 102 are both welded with partition plates 103, and the partition plates 103 are slidably connected to the air storage cylinders 101; the upper parts of the two brackets 2 are both connected with mounting plates 104 by bolts; a plurality of rubber blocks 105 are fixedly connected to the two mounting plates 104; pipe racks 106 are welded to the two mounting plates 104, and two communication ports are arranged on the two pipe racks 106. The communication ports on the pipe racks 106 are located above the partition plates 103, and the pipe racks 106 and the two air storage cylinders 101 on the same side of the main bracket 3 are communicated; a plurality of suction cups 107 are arranged on the two pipe racks 106, and the plurality of suction cups 107 are all communicated with the pipe racks 106.

[0036] The worker places the two thin plate bodies 5 to be welded on the two brackets 2 respectively. The lower side of the thin plate body 5 contacts the suction cup 107, and the lower side of the thin plate body 5 contacts the rubber block 105. The telescopic rod of the hydraulic rod 61 extends to drive the lifting frame 62, the lower pressing strip 63, the transmission frame 102, the partition plate 103, the upper slide rail 71, the upper electric slider 72, the guiding strip 73, the mounting bracket 74 and the welding gun 75 to move downward. The cavity above the partition plate 103 in the air storage cylinder 101 increases, and a negative pressure is formed in the cavity above the partition plate 103 in the suction cup 107, the pipe rack 106 and the air storage cylinder 101. The suction cup 107 adsorbs the thin plate body 5, and the rubber block 105 hinders the sliding of the thin plate body 5 through friction. Then the lower pressing strip 63 contacts the upper side of the thin plate body 5, and the limiting strip 64 and the lower pressing strip 63 jointly clamp and support the thin plate body 5, so as to reduce the deviation caused by the extrusion of the lower pressing strip 63 on the thin plate body 5, and further weld the thin plate body 5 more accurately. When the telescopic rod of the hydraulic rod 61 extends to drive the lifting frame 62, the lower pressing strip 63, the transmission frame 102, the partition plate 103, the upper slide rail 71, the upper electric slider 72, the guiding strip 73, the mounting bracket 74 and the welding gun 75 to move upward and reset, the suction cup 107 no longer adsorbs the thin plate body 5.

[0037] Embodiment 5: On the basis of Embodiment 4, as Figure 5 and Figure 6 shown, it further includes: two protective plates 11, which are respectively welded to one side of the two support frames 83 close to the welding gun 75.

[0038] When the welding gun 75 welds the two thin plate bodies 5, the protective plates 11 can block the spatter generated by welding, thereby reducing the metal adhesion on the roller 84.

[0039] It should be understood that this embodiment is only used to illustrate the present invention and not to limit the scope of the present invention. In addition, it should be understood that after reading the content taught by the present invention, those skilled in the art can make various changes or modifications to the present invention, and these equivalent forms also fall within the scope defined by the appended claims of this application.

Claims

1. A ship sheet welding device with compensation and leveling function, characterized in that: include: Bottom plate (1); The two brackets (2) are both fixedly connected to the bottom plate (1), and the thin plate body (5) is placed on the two brackets (2); A main bracket (3) is fixedly connected to the bottom plate (1), and a through groove is formed on the upper portion of the main bracket (3); Two light-shielding transparent plates (4) are both fixedly connected to the main support (3); A clamping and leveling assembly is arranged on the main support (3); A welding assembly, provided on the clamping and leveling assembly; The rolling limit assembly is arranged on the main bracket (3), and the rolling limit assembly is connected to the welding assembly.

2. A ship sheet welding device with compensation and leveling function as claimed in claim 1, characterized in that: The clamping and leveling assembly comprises: a group of hydraulic rods (61) fixedly connected to both sides of the through slot of the main bracket (3), the number of the two groups of hydraulic rods (61) being two; a lifting frame (62) fixedly connected between the telescopic rods of each group of two hydraulic rods (61); a lower pressure bar (63) fixedly connected to the lower part of the lifting frame (62); and two limit bars (64) respectively fixedly connected to the sides of the two brackets (2) close to each other.

3. A ship sheet welding device with compensation and leveling function as claimed in claim 2, characterized in that: The welding assembly comprises: an upper slide rail (71) fixedly connected between two lifting frames (62); an upper electric slider (72) slidably connected to the upper slide rail (71); two guide bars (73) both fixedly connected to the lower side of the upper electric slider (72); a mounting bracket (74) slidably connected between the two guide bars (73); and a welding gun (75) fixedly connected to the lower part of the mounting bracket (74).

4. A ship sheet welding device with compensation and leveling function as claimed in claim 3, characterized in that: The rolling limit assembly comprises: a lower lower rail (81) fixedly connected to the lower part of the main bracket (3); a lower electric slider (82) slidably connected to the lower lower rail (81); a support frame (83) fixedly connected to the side where the upper electric slider (72) and the lower electric slider (82) are close to each other, and the two support frames (83) are symmetrically arranged; and three rollers (84) are rotatably connected to the ends where the two support frames (83) are close to each other.

5. A ship sheet welding device with compensation and leveling function as claimed in claim 4, characterized in that: The invention also comprises a moving assembly, which is arranged on a support frame (83) located above, and is connected to a mounting bracket (74). The moving assembly is used to slightly move a welding gun (75), and the moving assembly comprises: a guide groove wheel frame (91) which is rotatably connected to the support frame (83) above, and a wave-shaped guide groove connected end to end is formed on the guide groove wheel frame (91); a transmission rod frame (92) which is fixedly connected to the mounting bracket (74), and one end of the transmission rod frame (92) is located in the wave-shaped guide groove on the guide groove wheel frame (91); a pulley group (93) is arranged between the roller (84) closest to the guide groove wheel frame (91) and the guide groove wheel frame (91), and the pulley group (93) comprises a large pulley, a small pulley and a transmission belt, the roller (84) closest to the guide groove wheel frame (91) is fixedly connected to the large pulley, the guide groove wheel frame (91) is fixedly connected to the small pulley, and a transmission belt is wound between the large pulley and the small pulley.

6. A ship sheet welding device with compensation and leveling function as claimed in claim 5, characterized in that: It also includes: a flame preheating component (901) fixedly connected to the upper side of the lower electric slide block (82), and the flame preheating component (901) is located on a side of the support frame (83) away from the welding gun (75).

7. A ship sheet welding device with compensation and leveling function as claimed in claim 6, characterized in that: The invention also comprises an adsorption assembly, which is arranged on the bracket (2) and is used to adsorb the thin plate body (5). The adsorption assembly comprises: four gas cylinders (101) fixedly connected to the bottom plate (1); two transmission frames (102) fixedly connected to the lower parts of the two lifting frames (62); partitions (103) fixedly connected to the bottom ends of the four transmission frames (102), and the partitions (103) are slidably connected to the gas cylinders (101); the upper parts of the two brackets (2) are fixedly connected to mounting plates (104); the two mounting plates A plurality of rubber blocks (105) are fixedly connected to the two mounting plates (104); a pipe rack (106) is fixedly connected to the two mounting plates (104); the two pipe racks (106) are provided with two communication ports, the communication ports on the pipe racks (106) are located above the partition plate (103), and the pipe racks (106) located on the same side of the main bracket (3) are connected to the two gas storage cylinders (101); and the two pipe racks (106) are provided with a plurality of suction cups (107), and the plurality of suction cups (107) are connected to the pipe racks (106).

8. A ship sheet welding device with compensation and leveling function as claimed in claim 7, characterized in that: include: The two protection plates (11) are respectively fixed to one side of the two support frames (83) close to the welding gun (75).

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