Steel plate welding device for ship machining

Abstract

The invention discloses a steel plate welding device for ship machining, and relates to the technical field of welding, the steel plate welding device for ship machining comprises a bottom frame, a rack and a welding device main body, the rack is fixedly installed at the top of the bottom frame, the welding device main body is arranged at the top of the rack, and a clamping device is arranged at the top of the bottom frame; the clamping device comprises a supporting plate, a rotating shaft, a threaded rod, a push plate, clamping plates, a limiting block, a connecting block, an arc-shaped plate, a round rod and an inserting plate, the steel plates are clamped through the clamping plates, the situation that a gap is reserved between the clamping plates to affect welding of the steel plates is prevented, in the clamping process, the connecting block is limited through the limiting block, the arc-shaped plate and the round rod are turned over, and the welding efficiency is improved. And therefore, the circular rods press the tops of the steel plates, the connecting positions of the steel plates are prevented from tilting, welding between the steel plates is facilitated, and the steel plates are welded more smoothly.

Description

Technical Field

[0001] The invention relates to the technical field of welding, in particular to a steel plate welding device for ship processing. Background Art

[0002] The steel plate welding device for ship processing is a key equipment used to connect steel plates during ship construction and repair, because ships are usually welded from a large number of steel plates.

[0003] The patent with patent announcement number CN117161598A discloses a steel plate welding device for ship processing, which includes a base plate and a welding mechanical arm, characterized in that: a clamping assembly 1 and a clamping assembly 2 are respectively arranged on the front and rear sides of the base plate, a clamping assembly 3 is arranged on the left and right sides of the base plate, and a plurality of support assemblies are arranged in the middle of the base plate for supporting the steel plate; mounting plates are fixed on the left and right sides of the base plate, a camera 1 is fixed on the side of the mounting plate close to the base plate, the camera 1 is located between the welds of the spliced ​​steel plates and is used to photograph the welds, a camera 2 is fixed on one side of the welding head of the welding mechanical arm, the clamping assembly 1 includes a cylinder 1 and a bracket 1, the bracket 1 is fixed on the base plate, the cylinder 1 is fixed on the bracket 1, and two groups of mounting plates are fixed in the middle of the bracket 1. The device solves the current problem of poor welding accuracy.

[0004] However, when the ship processing steel plate welding device is working, the following problems still exist: before welding the ship processing steel plates, the two steel plates need to be butt-jointed and clamped. During the clamping process, one side of the connection between the two steel plates may be lifted up, resulting in uneven welding between the two steel plates, thereby affecting the quality and safety of welding, which is not conducive to the construction and maintenance of ships. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a steel plate welding device for ship processing, which solves the problems raised in the above-mentioned background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a steel plate welding device for ship processing, comprising a base frame, a frame and a welding device body, the frame is fixedly installed on the top of the base frame, the welding device body is arranged on the top of the frame, a clamping device is arranged on the top of the base frame, the clamping device comprises a support plate, a rotating shaft, a threaded rod, a push plate, a clamping plate, a limit block, a connecting block, an arc plate, a round rod and a plug plate, the support plate is fixedly installed on the top of the base frame, the rotating shaft passes through the interior of the support plate, the threaded rod is threadedly connected to the right side of the support plate, the push plate and the clamping plate are slidably installed in the top groove of the support plate, and the The push plate is fixedly installed on the left side of the threaded rod, the limit block is fixedly installed on the top of the push plate, the arc plate is rotatably installed on the top of the clamping plate, the connecting block is fixedly installed on the top of the arc plate, the round rod is fixedly installed on the side of the arc plate away from the clamping plate, the plug plate is slidably installed on the bottom of the support plate, a knocking device is provided at the front of the frame, a bottom box is fixedly installed at the bottom of the base frame, and a collecting device is provided at the bottom of the bottom box. When installing the steel plate, the steel plate is placed inside the support plate, and the threaded rod is rotated to push the push plate to move in the direction of the steel plate. When the push plate moves, it will drive the clamping plate to move, and when the clamping plate moves, it will clamp the steel plate.

[0007] According to the above technical solution, a spring is arranged between the push plate and the clamping plate. Under the elastic action of the spring, the limit block will contact the connecting block. The inserted side of the plug plate is set as an arc surface, which reduces friction and facilitates the insertion of the plug plate into the bottom of the support plate.

[0008] According to the above technical scheme, the knocking device includes an L-shaped rod, a connecting rod, a rotating rod, a rotating wheel, a rotating plate, a square rod, a hammer and a rotating block. The L-shaped rod is fixedly installed on the top of the push plate, the connecting rod is fixedly installed on the left side of the L-shaped rod, the rotating rod is fixedly installed on the front of the frame, the rotating wheel is rotatably installed on the circumferential surface of the rotating rod, the rotating plate is rotatably installed on the front of the frame, the square rod is fixedly installed on the bottom of the rotating plate, the hammer is fixedly installed on the bottom of the square rod, and the rotating block is rotatably installed on the top of the connecting rod. When the clamping is released, the threaded rod is rotated to move away from the steel plate. When the threaded rod moves, it will drive the push plate to move. When the push plate moves, it will drive the L-shaped rod to move. When the L-shaped rod moves, it will drive the connecting rod to move.

[0009] According to the above technical solution, a plurality of protrusions are fixedly installed on the circumferential surface of the rotating wheel, and the protrusions are in contact with the rotating plate, so that the rotating plate is intermittently flipped, thereby achieving the effect of the hammer intermittently hitting the support plate. A plurality of rectangular openings are opened at the bottom of the support plate, and the welding slag remaining in the support plate falls into the collection box at the bottom through the rectangular openings.

[0010] According to the above technical scheme, the collecting device includes a collecting box, a T-shaped block, a guide plate, a supporting block, a lower pressure rod, a rotating frame and a connecting plate, the collecting box is fixedly mounted on the bottom of the bottom box, the T-shaped block is fixedly mounted on the bottom of the inner wall of the bottom box, the guide plate is fixedly mounted on the left side of the T-shaped block, the supporting block is fixedly mounted on the left side of the inner wall of the bottom box, the lower pressure rod is fixedly mounted on the bottom of the supporting block, the rotating frame is rotatably mounted on the right side of the inner wall of the bottom box, the top of the rotating frame is fixedly connected to the bottom of the lower pressure rod, the connecting plate is slidably mounted on the bottom of the inner wall of the collecting box, and the connecting plate is fixedly mounted on the left side of the rotating frame, when the rotating frame flips, it will drive the connecting plate to move to the left, when the connecting plate moves, it will drive the pressing plate to move, when the pressing plate moves, it will squeeze the welding slag in the collecting box, thereby increasing the amount of welding slag collected.

[0011] According to the above technical solution, the top of the T-shaped block is set as an inclined surface, and the bottom of the support plate contacts the inclined surface. When the tray is flipped, the T-shaped block will limit the tray so that the welding slag in the tray falls into the collection box. A No. 1 spring is arranged between the support block and the downward pressure rod.

[0012] According to the above technical solution, the collecting device also includes a pressure plate, a hydraulic cylinder 1, a piston rod 1, a hydraulic cylinder 2 and a piston tube 2. The pressure plate is slidably installed on the bottom of the inner wall of the collecting box, the hydraulic cylinder 1 is fixedly installed on the left side of the connecting plate, the piston rod 1 slides through the interior of the hydraulic cylinder 1, the piston rod 1 is fixedly connected to the pressure plate, the hydraulic cylinder 2 is fixedly installed on the bottom of the base frame, the piston tube 2 slides through the interior of the hydraulic cylinder 2, and the hydraulic cylinder 1 and the hydraulic cylinder 2 are connected through a hydraulic pipe.

[0013] According to the above technical solution, a No. 2 spring sheet is arranged between the connecting plate and the pressure plate. Under the elastic action of the No. 2 spring sheet, the pressure plate will squeeze the connecting plate, and the piston tube No. 2 will contact the support plate. When too much welding slag is collected, the piston tube No. 2 will limit the support plate so that the support plate will no longer flip over.

[0014] The present invention provides a steel plate welding device for ship processing, which has the following beneficial effects: (1) The invention clamps the steel plates by clamping plates to prevent gaps between the clamping plates from affecting the welding between the steel plates. During the clamping process, the connection blocks are limited by limit blocks, so that the arc-shaped plates and the circular rods are flipped, so that the circular rods press the tops of the steel plates to prevent the joints of the steel plates from warping, which is beneficial to the welding between the steel plates and makes the welding of the steel plates smoother.

[0015] (2) In the present invention, the protrusion on the rotating wheel is limited in one direction by the rotating block on the connecting rod. When the clamp is released, the rotating wheel rotates, and the protrusion on the rotating wheel intermittently hits the rotating plate, so that the square rod and hammer connected to the bottom of the rotating plate intermittently knock the steel plate inside the support plate to prevent excessive accumulation of welding slag at the connection between the steel plates. At the same time, the plug plate at the bottom of the support plate is detached, and the support plate is flipped over, so that the welding slag in the support plate falls into the collection box at the bottom of the support plate, preventing excessive accumulation of welding slag in the support plate and affecting the subsequent welding effect.

[0016] (3) This invention squeezes the lower pressure rod by flipping the support plate, so that the connecting plate drives the pressure plate to squeeze the welding slag in the collection box, thereby increasing the amount of welding slag collected. When there is too much welding slag in the collection box, the piston rod 1 squeezes to the right, so that the liquid in the hydraulic cylinder 1 enters the hydraulic cylinder 2. At this time, the piston rod 2 will limit the bottom of the support plate, so that the support plate will no longer flip, preventing the welding slag in the collection box from accumulating too much and overflowing, thereby affecting the working environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the position structure of the arc plate and the circular rod of the present invention; Figure 3 This is a schematic diagram of the position structure of the plug board and the support board of the present invention; Figure 4 It is a schematic diagram of the structure of the knocking device and the frame position of the present invention; Figure 5 For the present invention Figure 4 A schematic diagram of the structure enlargement of part A; Figure 6 This is a schematic diagram of the position structure of the T-shaped block and the bottom box of the present invention; Figure 7 This is a schematic diagram of the position structure of the collecting box and the bottom box of the present invention; Figure 8 For the present invention Figure 7 Schematic diagram of the enlarged structure of part B.

[0018] In the figure: 1, base frame; 2, frame; 3, welding device body; 401, support plate; 402, rotating shaft; 403, threaded rod; 404, push plate; 405, clamping plate; 406, limit block; 407, connecting block; 408, arc plate; 409, round rod; 410, plug plate; 501, L-shaped rod; 502, connecting rod; 503, rotating rod; 504, rotating wheel; 505, rotating plate; 506, square rod; 507, hammer; 508, rotating block; 601, collecting box; 602, T-shaped block; 603, guide plate; 604, supporting block; 605, pressing rod; 606, rotating frame; 607, connecting plate; 608, pressing plate; 609, hydraulic cylinder one; 610, piston rod one; 611, hydraulic cylinder two; 612, piston tube two; 7, base box. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] See also Figure 1-Figure 8 A steel plate welding device for ship processing includes a base frame 1, a frame 2 and a welding device body 3. The frame 2 is fixedly installed on the top of the base frame 1, and the welding device body 3 is arranged on the top of the frame 2. A clamping device is arranged on the top of the base frame 1, and the clamping device includes a support plate 401, a rotating shaft 402, a threaded rod 403, a push plate 404, a clamping plate 405, a limit block 406, a connecting block 407, an arc plate 408, a round rod 409 and a plug plate 410. The support plate 401 is fixedly installed on the top of the base frame 1, the rotating shaft 402 passes through the inside of the support plate 401, the threaded rod 403 is threadedly connected to the right side of the support plate 401, the push plate 404 and the clamping plate 405 are slidably installed in the top groove of the support plate 401, and the push plate 404 It is fixedly installed on the left side of the threaded rod 403, the limit block 406 is fixedly installed on the top of the push plate 404, the arc plate 408 is rotatably installed on the top of the clamping plate 405, the connecting block 407 is fixedly installed on the top of the arc plate 408, the round rod 409 is fixedly installed on the side of the arc plate 408 away from the clamping plate 405, the plug plate 410 is slidably installed on the bottom of the support plate 401, and a knocking device is provided at the front of the frame 2, and a bottom box 7 is fixedly installed at the bottom of the bottom frame 1, and a collecting device is provided at the bottom of the bottom box 7. The connecting block 407 is limited by the limit block 406, so that the arc plate 408 and the round rod 409 are flipped, so that the round rod 409 presses the top of the steel plate to prevent the connection of the steel plate from warping.

[0021] A spring is arranged between the push plate 404 and the clamping plate 405. Under the elastic action of the spring, the limit block 406 will contact the connecting block 407. The inserted side of the plug plate 410 is set as an arc surface, which reduces the friction and facilitates the insertion of the plug plate 410 into the bottom of the support plate 401.

[0022] The knocking device includes an L-shaped rod 501, a connecting rod 502, a rotating rod 503, a rotating wheel 504, a rotating plate 505, a square rod 506, a hammer 507 and a rotating block 508. The L-shaped rod 501 is fixedly installed on the top of the push plate 404, the connecting rod 502 is fixedly installed on the left side of the L-shaped rod 501, the rotating rod 503 is fixedly installed on the front of the frame 2, the rotating wheel 504 is rotatably installed on the circumferential surface of the rotating rod 503, the rotating plate 505 is rotatably installed on the front of the frame 2, the square rod 506 is fixedly installed on the bottom of the rotating plate 505, the hammer 507 is fixedly installed on the bottom of the square rod 506, and the rotating block 508 is rotatably installed on the top of the connecting rod 502. When the rotating wheel 504 rotates, the protrusion on the rotating wheel 504 will intermittently hit the rotating plate 505, so that the square rod 506 and the hammer 507 connected to the bottom of the rotating plate 505 intermittently knock the steel plate inside the support plate 401 to prevent excessive accumulation of welding slag at the connection between the steel plates.

[0023] A number of protrusions are fixedly installed on the circumferential surface of the rotating wheel 504, and the protrusions are in contact with the rotating plate 505, so that the rotating plate 505 is intermittently flipped, achieving the effect of the hammer 507 intermittently hitting the support plate. A number of rectangular openings are opened at the bottom of the support plate 401, and the residual welding slag in the support plate 401 falls into the collection box 601 at the bottom through the rectangular openings.

[0024] The collecting device includes a collecting box 601, a T-block 602, a guide plate 603, a support block 604, a pressing rod 605, a rotating frame 606 and a connecting plate 607. The collecting box 601 is fixedly installed at the bottom of the bottom box 7, the T-block 602 is fixedly installed at the bottom of the inner wall of the bottom box 7, the guide plate 603 is fixedly installed on the left side of the T-block 602, the support block 604 is fixedly installed on the left side of the inner wall of the bottom box 7, the pressing rod 605 is fixedly installed at the bottom of the support block 604, the rotating frame 606 is rotatably installed on the right side of the inner wall of the bottom box 7, the top of the rotating frame 606 is fixedly connected to the bottom of the pressing rod 605, the connecting plate 607 is slidably installed at the bottom of the inner wall of the collecting box 601, the connecting plate 607 is fixedly installed on the left side of the rotating frame 606, and the support plate 401 is flipped to squeeze the pressing rod 605, so that the connecting plate 607 drives the pressing plate 608 to squeeze the welding slag in the collecting box 601, thereby increasing the amount of welding slag collected.

[0025] The top of the T-shaped block 602 is set as an inclined surface, and the bottom of the support plate 401 contacts the inclined surface. When the tray 401 is flipped, the T-shaped block 602 will limit the tray 401 so that the welding slag in the tray 401 falls into the collection box 601. A No. 1 spring is set between the support block 604 and the lower pressure rod 605.

[0026] The collecting device also includes a pressure plate 608, a hydraulic cylinder 1 609, a piston rod 1 610, a hydraulic cylinder 2 611 and a piston tube 2 612. The pressure plate 608 is slidably installed on the bottom of the inner wall of the collecting box 601, the hydraulic cylinder 1 609 is fixedly installed on the left side of the connecting plate 607, the piston rod 1 610 slides through the interior of the hydraulic cylinder 1 609, the piston rod 1 610 is fixedly connected to the pressure plate 608, the hydraulic cylinder 2 611 is fixedly installed on the bottom of the base frame 1, the piston tube 2 612 slides through the interior of the hydraulic cylinder 2 611, and the hydraulic cylinder 1 609 is connected to the hydraulic cylinder 2 611 through a hydraulic pipe.

[0027] A No. 2 spring piece is arranged between the connecting plate 607 and the pressure plate 608. Under the elastic action of the No. 2 spring piece, the pressure plate 608 will squeeze the connecting plate 607, and the piston tube 612 will contact the support plate 401. When too much welding slag is collected, the piston tube 612 will limit the support plate 401 so that the support plate 401 will no longer flip over.

[0028] During operation: when installing the steel plate, place the steel plate inside the support plate 401, rotate the threaded rod 403 to push the push plate 404 to move toward the steel plate. When the push plate 404 moves, it will drive the clamping plate 405 to move. When the clamping plate 405 moves, it will clamp the steel plate. Under the reverse force, the clamping plate 405 moves away from the steel plate. When the clamping plate 405 moves, it will drive the connecting block 407 to move. When the connecting block 407 moves, it will contact the limit block 406. The limit block 406 will limit the connecting block 407, so that the arc plate 408 is flipped. When the arc plate 408 is flipped, it will drive the circular rod 409 to flip. When the circular rod 409 is flipped, it will press down on the steel plate to prevent the steel plate from warping and affecting welding.

[0029] When the clamp is released, the threaded rod 403 is rotated to move away from the steel plate. When the threaded rod 403 moves, the push plate 404 is driven to move. When the push plate 404 moves, the L-shaped rod is driven to move. When the L-shaped rod moves, the connecting rod 502 is driven to move. When the connecting rod 502 moves, the rotating block 508 is driven to move. When the rotating block 508 moves, it contacts the protrusion on the rotating wheel 504, so that the rotating wheel 504 rotates. The rotating wheel 504 is connected to the circumferential surface of the rotating rod 503. When the rotating wheel 504 rotates, the protrusion is The rotating plate 505 is pressed down continuously to make the rotating plate 505 rotate. When the rotating plate 505 rotates, it will drive the square rod 506 to move downward. When the square rod 506 moves, it will drive the hammer 507 to move. When the hammer 507 moves, it will intermittently knock on the steel plate, causing the welding slag at the connection of the steel plates to vibrate and fall off. When the threaded rod 403 moves to a certain position, the limit on the plug plate 410 is released. At this time, the support plate 401 will flip over. When the support plate 401 flips over, the internal welding slag will fall into the collection box 601 at the bottom, which is beneficial to the collection of welding slag.

[0030] When the support plate 401 flips over, the lower pressure rod 605 will move downward, and when the lower pressure rod 605 moves, it will drive the rotating frame 606 to flip over. When the rotating frame 606 flips over, it will drive the connecting plate 607 to move to the left. When the connecting plate 607 moves, it will drive the pressing plate 608 to move. When the pressing plate 608 moves, it will squeeze the welding slag in the collecting box 601, thereby increasing the amount of welding slag collected. When too much welding slag is collected, the pressing plate 608 will move to the right. When the pressing plate 608 moves, it will squeeze the piston rod 1 610, so that the liquid in the hydraulic cylinder 1 609 enters the hydraulic cylinder 2 611 through the hydraulic pipe. When the liquid enters the hydraulic cylinder 2 611, it will squeeze the piston tube 2 612, so that the piston tube 2 612 moves to the right. When the piston tube 2 612 moves, it will limit the support plate 401, so that the support plate 401 cannot be flipped, thereby avoiding excessive accumulation of welding slag in the collecting box 601 and overflowing, affecting the working environment.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A steel plate welding device for ship processing, comprising a base frame (1), a frame (2) and a welding device body (3), wherein the frame (2) is fixedly mounted on the top of the base frame (1), and the welding device body (3) is arranged on the top of the frame (2), characterized in that: A clamping device is provided on the top of the base frame (1), and the clamping device comprises a support plate (401), a rotating shaft (402), a threaded rod (403), a push plate (404), a clamping plate (405), a limit block (406), a connecting block (407), an arc plate (408), a round rod (409) and a plug plate (410). The support plate (401) is fixedly mounted on the top of the base frame (1), the rotating shaft (402) passes through the inside of the support plate (401), the threaded rod (403) is threadedly connected to the right side of the support plate (401), the push plate (404) and the clamping plate (405) are slidably mounted on the top groove of the support plate (401), and the push plate (404) and the clamping plate (405) are slidably mounted on the top groove of the support plate (401). The plate (404) is fixedly mounted on the left side of the threaded rod (403), the limit block (406) is fixedly mounted on the top of the push plate (404), the arc plate (408) is rotatably mounted on the top of the clamping plate (405), the connecting block (407) is fixedly mounted on the top of the arc plate (408), the round rod (409) is fixedly mounted on the side of the arc plate (408) away from the clamping plate (405), the plug plate (410) is slidably mounted on the bottom of the support plate (401), a knocking device is arranged at the front of the frame (2), a bottom box (7) is fixedly mounted on the bottom of the bottom frame (1), and a collecting device is arranged at the bottom of the bottom box (7).

2. The steel plate welding device for ship processing according to claim 1, characterized in that: A No. 1 spring is provided between the push plate (404) and the clamping plate (405), a No. 2 spring is provided between the base frame (1) and the inserting plate (410), and a side of the inserting plate (410) is provided as an arc surface.

3. The steel plate welding device for ship processing according to claim 2, characterized in that: The knocking device comprises an L-shaped rod (501), a connecting rod (502), a rotating rod (503), a rotating wheel (504), a rotating plate (505), a square rod (506), a hammer (507) and a rotating block (508), wherein the L-shaped rod (501) is fixedly mounted on the top of the push plate (404), the connecting rod (502) is fixedly mounted on the left side of the L-shaped rod (501), the rotating rod (503) is fixedly mounted on the front of the frame (2), the rotating wheel (504) is rotatably mounted on the circumferential surface of the rotating rod (503), the rotating plate (505) is rotatably mounted on the front of the frame (2), the square rod (506) is fixedly mounted on the bottom of the rotating plate (505), the hammer (507) is fixedly mounted on the bottom of the square rod (506), and the rotating block (508) is rotatably mounted on the top of the connecting rod (502).

4. The steel plate welding device for ship processing according to claim 3 is characterized in that: A plurality of protrusions are fixedly mounted on the circumferential surface of the rotating wheel (504), the protrusions are in contact with the rotating plate (505), and a plurality of rectangular openings are opened at the bottom of the supporting plate (401).

5. The steel plate welding device for ship processing according to claim 4, characterized in that: The collecting device comprises a collecting box (601), a T-shaped block (602), a guide plate (603), a supporting block (604), a pressing rod (605), a rotating frame (606) and a connecting plate (607); the collecting box (601) is fixedly mounted on the bottom of the bottom box (7); the T-shaped block (602) is fixedly mounted on the bottom of the inner wall of the bottom box (7); the guide plate (603) is fixedly mounted on the left side of the T-shaped block (602); the supporting block (604) is fixedly mounted on the bottom of the inner wall of the bottom box (7); The block (604) is fixedly mounted on the left side of the inner wall of the bottom box (7), the pressing rod (605) is fixedly mounted on the bottom of the support block (604), the rotating frame (606) is rotatably mounted on the right side of the inner wall of the bottom box (7), the top of the rotating frame (606) is fixedly connected to the bottom of the pressing rod (605), the connecting plate (607) is slidably mounted on the bottom of the inner wall of the collecting box (601), and the connecting plate (607) is fixedly mounted on the left side of the rotating frame (606).

6. The steel plate welding device for ship processing according to claim 5, characterized in that: The top of the T-shaped block (602) is arranged as an inclined surface, the bottom of the support plate (401) contacts the inclined surface, and a first spring sheet is arranged between the support block (604) and the pressing rod (605).

7. The steel plate welding device for ship processing according to claim 6, characterized in that: The collecting device further comprises a pressing plate (608), a hydraulic cylinder 1 (609), a piston rod 1 (610), a hydraulic cylinder 2 (611) and a piston tube 2 (612); the pressing plate (608) is slidably mounted on the bottom of the inner wall of the collecting box (601); the hydraulic cylinder 1 (609) is fixedly mounted on the left side of the connecting plate (607); the piston rod 1 (610) slides through the interior of the hydraulic cylinder 1 (609); the piston rod 1 (610) is fixedly connected to the pressing plate (608); the hydraulic cylinder 2 (611) is fixedly mounted on the bottom of the base frame (1); the piston tube 2 (612) slides through the interior of the hydraulic cylinder 2 (611); the hydraulic cylinder 1 (609) and the hydraulic cylinder 2 (611) are connected via a hydraulic tube.

8. The steel plate welding device for ship processing according to claim 7, characterized in that: A second spring sheet is provided between the connecting plate (607) and the pressing plate (608), and the second piston tube (612) is in contact with the supporting plate (401).

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