CN112475656A - Welding tool and welding process for butt joint of outer plates of ship - Google Patents
Welding tool and welding process for butt joint of outer plates of ship Download PDFInfo
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- CN112475656A CN112475656A CN202011344444.9A CN202011344444A CN112475656A CN 112475656 A CN112475656 A CN 112475656A CN 202011344444 A CN202011344444 A CN 202011344444A CN 112475656 A CN112475656 A CN 112475656A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/0426—Fixtures for other work
- B23K37/0435—Clamps
- B23K37/0443—Jigs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
Abstract
The invention relates to the technical field of welding, and particularly discloses a welding tool which comprises a base plate and a fixing assembly. The top surface of the backing plate is provided with a groove, and the backing plate is used for supporting a first workpiece and a second workpiece to be welded. The fixing component comprises two oppositely arranged clamping blocks, the two clamping blocks are respectively arranged on two sides of the base plate and can clamp and fix the base plate, and the fixing component can be fixed on a first workpiece and/or a second workpiece to be welded so that a to-be-welded seam between the first workpiece and the second workpiece is located right above the groove to achieve the effect of single-side welding and double-side forming. The welding tool is simple in structure and convenient to operate, and therefore welding cost can be saved. In the welding process of the welding tool, the first workpiece and the second workpiece do not need to be moved to a wide area and turned over, welding cost is saved, working efficiency is improved, and good welding quality and attractive welding seams of welded outer plates of the welded ship can be guaranteed.
Description
Technical Field
The invention relates to the technical field of welding, in particular to a welding tool and a welding process for butt joint of outer plates of a ship.
Background
Aluminum magnesium alloy is a structural material of modern high-speed ships, as shown in fig. 1, in the prior art, the butt joint of outer plates of aluminum alloy high-speed ships adopts a welding mode of front welding and back chipping and buckling grooves, auxiliary equipment is needed to move the outer plates of the ships to a wide position, the outer plates of the ships need to be turned over, the welding process is complicated, the cost is increased, and the working efficiency is low.
The welding device for single-side welding and double-side forming in the prior art does not need to turn over the outer ship plate, but needs to move the outer ship plate to a wide position, the outer ship plate after welding is large in size and weight, and the movement to the ship body is difficult and inconvenient, so that a device with a simple structure and a few welding processes is urgently needed to weld the outer ship plate.
Disclosure of Invention
The invention aims to provide a welding tool which is simple in structure and convenient to operate, and an outboard plate does not need to be moved and turned over, so that the welding efficiency of the outboard plate is improved, and the welding cost is saved.
The invention also aims to provide a welding process for butt joint of the outer plates of the ship so as to achieve the effect of single-side welding and double-side forming of the butt joint of the outer plates of the ship.
In order to achieve the purpose, the invention adopts the following technical scheme:
a welding tool, comprising:
the welding device comprises a base plate, a welding head and a welding head, wherein the top surface of the base plate is provided with a groove, and the base plate is used for supporting a first workpiece and a second workpiece to be welded;
the fixing assembly comprises two oppositely arranged clamping blocks, the two clamping blocks are respectively arranged on two sides of the base plate and can clamp and fix the base plate, and the fixing assembly can be fixed on a first workpiece and/or a second workpiece to be welded, so that a seam to be welded between the first workpiece and the second workpiece is located right above the groove.
Preferably, the top plate of the backing plate is higher than the top surface of the clamping block.
Preferably, one of the clamping block and the base plate is provided with a clamping interface, and the other clamping flange can be clamped in the clamping interface.
Preferably, the backing plate includes the main part, the relative both sides of main part all are provided with the joint flange, the clamp splice includes roof, bottom plate and riser, the riser is connected the roof with the bottom plate, the roof with form between the bottom plate the joint mouth, the main part butt in on the bottom plate, the roof with the surface of main part butt is the cambered surface.
Preferably, the first workpiece and the second workpiece are symmetrically distributed with respect to a center line of the pad plate.
Preferably, the backing plate is made of stainless steel, and the first workpiece and the second workpiece are made of an aluminum alloy.
Preferably, the backing plate has a melting point not lower than a melting point of the first workpiece and/or the second workpiece.
The utility model provides a welding process of outer ship plate butt joint, adopts welding frock as above, and two planking that treat the welding are arranged in on the fossil fragments of hull and are fixed, include:
step 1: one of the two clamping blocks is fixed on one of the two outer plates to be welded and is positioned in the cabin;
step 2: sequentially placing the base plate and the other of the two clamping blocks in the cabin, and fixing the other of the two clamping blocks with the other outboard plate so as to clamp and fix the base plate between the two clamping blocks;
and step 3: and welding and fixing the two outer ship plates outside the cabin.
Preferably, in step 2, the clamp blocks are welded and fixed with the outboard plate;
the welding process for butting the outer plates of the ship further comprises the following steps of:
and 4, step 4: milling a welding point of the clamping block in the step 2 to take out the base plate;
and 5: and (5) repeating the steps 1-4, and welding the outer plates to be welded at the rest positions.
Preferably, the outboard plate is provided with a groove.
The invention has the beneficial effects that:
a welding tool comprises a base plate and a fixing assembly. The top surface of the backing plate is provided with a groove, and the backing plate is used for supporting a first workpiece and a second workpiece to be welded; the fixing assembly comprises two oppositely arranged clamping blocks, the two clamping blocks are respectively arranged on two sides of the base plate and can clamp and fix the base plate, and the fixing assembly can be fixed on a first workpiece and/or a second workpiece to be welded so that a to-be-welded seam between the first workpiece and the second workpiece is located right above the groove. The welding tool is simple in structure and convenient to operate, so that the welding cost can be saved, and the working efficiency is improved.
The utility model provides a welding process of outer ship plate butt joint, adopts foretell welding frock, treats two planking of welding and arranges in the fossil fragments of hull and fix, and it includes step 1: one of the two clamping blocks is fixed on one of the two outer plates to be welded and is positioned in the cabin; step 2: sequentially placing the base plate and the other of the two clamping blocks in the cabin, fixing the other of the two clamping blocks with the other outboard plate, and clamping and fixing the base plate between the two clamping blocks; and step 3: and welding and fixing the two outer ship plates outside the cabin. By adopting the welding tool, the outboard plate does not need to be moved and turned over, the welding cost is saved, the working efficiency is improved, and the good welding quality and the attractive appearance of the welded joint of the outboard plate after welding can be ensured.
Drawings
FIG. 1 is a schematic structural view of a double-sided weld provided in the prior art;
fig. 2 is a schematic structural diagram of a workpiece placed on a welding tool according to an embodiment of the present invention.
In the figure:
1. a base plate; 11. clamping the flanges; 2. a fixing assembly; 21. a clamping block; 3. a first workpiece; 4. a second workpiece.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the present invention, the directional terms such as "upper", "lower", "left", "right", "inner" and "outer" are used for easy understanding without making a contrary explanation, and thus do not limit the scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a welding tool, which is used for welding a butt joint of an outer plate of a ship, and a single-side welding mode is adopted in the welding process to achieve the effect of double-side forming of a to-be-welded seam; but not limited to, the welding method can also be used for welding other outer plate workpieces to be welded so as to improve the working efficiency during welding and save the welding cost.
As shown in fig. 2, the welding tool provided in this embodiment includes a backing plate 1 and a fixing assembly 2. The fixing component 2 is used for clamping and fixing the base plate 1, and a groove is formed in the top surface of the base plate 1. In the welding process, the backing plate 1 is fixed through the fixing component 2, the fixing component 2 is fixed with the first workpiece 3 and/or the second workpiece 4 to be welded, so that a to-be-welded seam between the first workpiece 3 and the second workpiece 4 to be welded is just opposite to a groove in the backing plate 1, the backing plate 1 is used for supporting the first workpiece 3 and the second workpiece 4 to be welded, meanwhile, the root of the to-be-welded seam between the first workpiece 3 and the second workpiece 4 can be ensured to be welded through, and further, the welding quality of the welded seam is ensured to reach the standard.
Specifically, the fixing assembly 2 includes two oppositely disposed clamping blocks 21, and the two clamping blocks 21 are respectively disposed on two sides of the cushion plate 1 and can clamp and fix the cushion plate 1. The fixing component 2 can be fixed on the first workpiece 3 and/or the second workpiece 4 to be welded, so that a to-be-welded joint between the first workpiece 3 and the second workpiece 4 is located at the center of the base plate 1, the stress is uniform when the first workpiece 3 and the second workpiece 4 to be welded are welded, and a welded joint with good quality is obtained. In the welding process, in order to guarantee the welding quality, one side of the first workpiece 3 and the second workpiece 4 to be welded is provided with an inclined plane with a certain angle, the two inclined planes are opposite to form a V-shaped groove, namely a groove of the workpieces, and the workpieces provided with the grooves can keep certain allowance so as to be welded and filled, so that the penetration of the welding seam to be welded is guaranteed, and only one side of the first workpiece 3 and the second workpiece 4 to be welded is required to be welded in the welding process, so that the welding quality of the two sides of the welding seam to be welded can be guaranteed. Because the welding tool is simple in structure and convenient to operate, and does not need other auxiliary equipment to move or turn over the first workpiece 3 and the second workpiece 4, the welding quality of the to-be-welded joint can be guaranteed, the welding tool with the structure can save the welding cost, and the working efficiency is improved. Of course, the groove of the workpiece is not limited to the V-shaped groove, and the groove capable of ensuring the welding strength is within the protection scope of the present invention.
During welding, the fixing assembly 2 enables a seam to be welded between the first workpiece 3 and the second workpiece 4 to be positioned right above the groove. Molten metal liquid flows into the groove in the welding process, the root of the welding seam to be treated is ensured to be welded thoroughly, the welding quality is ensured, meanwhile, the molten metal liquid is prevented from remaining on the welding seam or welding the workpiece and the base plate 1 together, therefore, the groove on the base plate 1 can ensure the attractiveness of the welding seam of the first workpiece 3 and the second workpiece 4 after welding, the root of the welding seam to be treated is ensured to be welded thoroughly, and the welding quality is ensured.
For the convenience of clamping the backing plate 1 by the clamping block 21, preferably, one of the clamping block 21 and the backing plate 1 is provided with a clamping interface, and the other is provided with a clamping flange 11, and the clamping flange 11 can be clamped in the clamping interface. The clamp blocks 21 and the base plate 1 are connected in a clamping mode through clamping interfaces clamped on the clamping flanges 11, the structure is simple, the base plate 1 is fixed, and meanwhile the base plate 1 and the clamp blocks 21 are convenient to mount and dismount.
Optionally, in this embodiment, a manner that the backing plate 1 is provided with the clamping flange 11 and the clamping block 21 is provided with the clamping interface is adopted, so that the clamping block 21 clamps the backing plate 1. But is not limited thereto as long as the fixing manner of the clamping blocks 21 clamping the cushion plate 1 can be ensured, and the invention is within the protection scope.
Specifically, backing plate 1 includes the main part, and the relative both sides of main part all are provided with joint flange 11, and clamp splice 21 includes roof, bottom plate and riser, and roof and bottom plate are connected to the riser, form the joint mouth between roof and the bottom plate. The clamping flange 11 and the clamping interface are adopted to clamp the base plate 1, so that a good clamping effect can be achieved without other parts, the structure is simple, and the use of an automatic instrument for the welding tool is facilitated in the subsequent mechanical production.
Further, in order to avoid scratching the main body of the cushion plate 1, the main body is abutted against the bottom plate, and the surface of the top plate abutted against the main body is an arc surface. The cambered surface can guarantee that when using and dismouting at every turn, be convenient for when the dress gets backing plate 1, avoid fish tail backing plate 1's main part to thereby make backing plate 1's used repeatedly reach the purpose of practicing thrift the cost.
In order to ensure uniform stress during welding, the first workpiece 3 and the second workpiece 4 are preferably symmetrically distributed with respect to the center line of the backing plate 1. During welding, the two sides of the to-be-welded joint of the first workpiece 3 and the second workpiece 4 are stressed uniformly, the heat transfer of the welded joint is uniform, namely, the surface shrinkage rate of the to-be-welded joint is consistent after welding, and then the quality of the welded joint can be guaranteed after welding.
In order to facilitate the placing of the first workpiece 3 and the second workpiece 4 with the center line of the joint to be welded symmetrical to the center line of the backing plate 1, specifically, a scale mark is provided on the first workpiece 3 and/or the second workpiece 4 at a certain distance for positioning accuracy. Because the size of welding frock is certain, consequently be provided with the scale mark of certain distance on first work piece 3 and/or second work piece 4, need not other operations, alright with the location accuracy of guaranteeing both.
Specifically, in the cross section of the fixing member 2 of the present embodiment, the bottom plate of the clamping block 21 has a length of 20cm and a height of 8 cm. The width of the main body of the cushion plate 1 is 16cm, the height is 6cm, and the whole body of the cushion plate 1 and the fixing component 2 is of a strip-shaped structure. The width of the groove on the top surface of the backing plate 1 is 8cm, and the height from the lowest point of the groove to the top plate of the backing plate 1 is 1 cm. The catch flange 11 is 4.5cm wide and 2.5cm high. Therefore, the welding tool is small in overall size, convenient to carry and operate and simple in structure, the long strip-shaped welding tool can be conveniently disassembled and assembled once or for the minimum times, long welding seams to be welded can be welded, repeated disassembling and assembling are not needed, and welding time is saved. Of course, the specific size of the welding tool is not particularly limited, and it is within the protection scope of the present invention that the size of the joint to be welded can be welded only by one or a minimum number of times of disassembly and assembly.
After the first workpiece 3 and the second workpiece 4 are welded, since the welded joint between the first workpiece 3 and the second workpiece 4 is not uniformly shrunk in the transverse direction in the thickness direction, the deformation that the workpieces on both sides are tilted upward at an angle away from the original position is called angular deformation. To avoid angular deformation of the first and second workpieces 3, 4 after welding, the top plate of the backing plate 1 is preferably higher than the top surface of the clamping block 21. When the top plate of the backing plate 1 is higher than the top surface of the clamping block 21, that is, when the first workpiece 3 and the second workpiece 4 are placed on the backing plate 1, because the backing plate 1 only supports the end parts of the first workpiece 3 and the second workpiece 4, one ends of the first workpiece 3 and the second workpiece 4, which are far away from each other, have a tendency to move downwards under the action of gravity, the first workpiece 3 and the second workpiece 4 form an inclined plane with a high middle and two inclined sides, and because the direction of the inclined plane is opposite to the deformation direction of angular deformation, when welding, under the action of gravity of metal melted by a welding gun, the welded joint of the first workpiece 3 and the second workpiece 4 cannot generate angular deformation.
Specifically, in the present embodiment, the height of the top plate of the backing plate 1 above the top surface of the clamping block 21 is 0.2-0.7 mm. Of course, in this embodiment, the height is not particularly limited, and different heights may be selected according to different heights of the first workpiece 3 and the second workpiece 4, and it is within the scope of the present application as long as it is ensured that the first workpiece 3 and the second workpiece 4 are not subjected to angular deformation after welding.
In order to ensure that the material of the backing plate 1 does not affect the welding of the first workpiece 3 and the second workpiece 4 during the welding process, the melting point of the backing plate 1 is preferably not lower than the melting point of the first workpiece 3 and/or the second workpiece 4. Therefore, in the welding process, the welding temperature can be guaranteed to reach the welding temperature of the first workpiece 3 and the second workpiece 4, the melting temperature of the backing plate 1 is not reached, molten metal can flow into the groove of the backing plate 1, the quality of the backing plate 1 is not affected, and meanwhile the first workpiece 3 and the second workpiece 4 can be completely welded.
Specifically, in the present embodiment, since the hull of the modern high-speed ship is made of aluminum magnesium alloy, optionally, the backing plate 1 is made of stainless steel, and the tooling is made of aluminum alloy. Because the melting point of the stainless steel reaches 1450 ℃, the melting point of the aluminum alloy reaches 660 ℃, and when the melting point of the aluminum alloy is reached by welding, the stainless steel is still in a solid state. The aluminum alloy outer ship plate is not affected by any quality during welding. After welding, the metal is naturally cooled by utilizing the physical properties of the metal, so that the aim of welding by single-side welding and double-side forming is fulfilled.
Since the outer hull structure is a continuous member of the sheet material constituting the hull. The ship outer plate separates the inside of the ship body from the outside to form the watertight volume of the ship, so that the ship can float on the water surface, and the structural strength of the ship body is ensured together with the keel of the ship body. The outer plating is one of the main hull structures, and therefore the quality of the welded joint must be ensured after welding the outer plating.
According to the welding process for butt joint of the outer plates of the ship provided by the embodiment, the two outer plates to be welded are arranged on the keel of the ship body and fixed, so that the outer plates of the ship are fixed during welding. The welding process for butting the outer plates of the ship specifically comprises the following steps of 1: one of the two clamping blocks 21 is fixed on one of the two outer plates to be welded and is positioned in the cabin; step 2: sequentially placing the base plate 1 and the other of the two clamping blocks 21 in the cabin, fixing the other of the two clamping blocks 21 with the other outboard plate, and clamping and fixing the base plate 1 between the two clamping blocks 21; and step 3: and welding and fixing the two outer ship plates outside the cabin.
In order to enable the single-side welding of the outer ship plate to achieve the effect of double-side forming, the welding process of the butt joint of the outer ship plate adopts the welding tool for welding. In the welding process, the staff only need weld the one side of planking for the recess of welding frock is utilized to the another side of planking, makes its penetration during the welding, and then reaches two-sided fashioned effect. Because the planking need not to remove and overturn in welding process, thereby practice thrift the welding cost and improve the work efficiency when welding, and can guarantee that the welding quality of welding back planking welding seam is good and the welding seam is pleasing to the eye, therefore the welding process of planking butt joint that this implementation provided can release the staff to the assurance of welding technique, thereby makes the staff no longer confine the high-level welder to, through simple welding frock and operation technique, lays the basis for mechanized automatic production in the future.
Specifically, to ensure the fixing of the planking, the two planking to be welded are placed on the keel of the hull and fixed, the specific fixing manner is not specifically limited herein, and different fixing manners are selected according to different hull structures.
Optionally, in step 1, one of the two clamping blocks 21 is welded to one of the two outer plates to be welded by spot welding, and the clamping block 21 is disposed in the cabin, so that the cabin has a large external space, which is convenient for a worker to weld outside the cabin.
In order to facilitate the clamping of the clamp blocks 21 to the backing plate 1, specifically, in the welding process, the clamping flange 11 of the backing plate 1 is placed in the welded clamping port, and then the clamping port of the other clamp block 21 is clamped to the backing plate 1, so that the backing plate 1 is fixed inside the cabin. And the other clamping block 21 is welded in the cabin by adopting a spot welding mode, so that the welding seam to be welded of the ship plate is right opposite to the central line of the base plate 1, the stress and the heat dissipation of the welding are uniform, and the quality of the welding seam after the welding is ensured to reach the standard. To facilitate welding of the outer hull plate outside the hold, the clamp blocks 21 are preferably welded to the outer hull plate in step 2. The clamp blocks 21 are welded on the inner side of the outer board, namely the clamp blocks 21 and the outer board are welded in the cabin, so that the outer board can be conveniently welded outside the cabin. The cabin has a complex internal structure and small space, and is not convenient for welding the outer plate of the ship. The cabin inner structure can cause the interference to the staff to a certain extent when welding complicatedly for the staff needs great welding machine to be ingenious. Therefore, the welding of the outer plate of the ship outside the cabin is time-saving and labor-saving, and has strong operability.
In order to facilitate the next welding of the to-be-welded joint where the outer plates of the ship are butted, preferably, the welding method further comprises the step 5: milling the welding point of the clamping block 21 in the step 2 to take out the base plate 1; step 6: and (5) repeating the steps 1-5, and welding the outboard plates to be welded at the rest positions. The mode that the welding point was milled to the adoption takes out backing plate 1 to make the dismantlement frock process more simple and convenient, do not need other device or part to increase the degree of difficulty in the dismouting in-process, design procedure after being convenient for utilizes automated machine to replace artifical dismantlement and installation welding frock, releases the constraint to the staff, alleviates staff's labour.
Preferably, the outboard plate is provided with a bevel. The groove is used for increasing the contact area of a welding gun and a to-be-welded joint during welding when the outer plate of the ship is welded, so that the welding strength meets the requirement, the root of the to-be-welded joint of the outer plate of the ship is welded thoroughly, and the welding quality is guaranteed.
The outer ship plate obtained by the welding process can meet the quality requirement of the welded aluminum alloy outer plate in the tests of bending property detection and mechanical property tests.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a welding frock, its characterized in that includes:
the welding device comprises a base plate (1), wherein a groove is formed in the top surface of the base plate (1), and the base plate (1) is used for supporting a first workpiece (3) and a second workpiece (4) to be welded;
the fixing assembly (2) comprises two oppositely arranged clamping blocks (21), the two clamping blocks (21) are respectively arranged on two sides of the base plate (1) and can clamp and fix the base plate (1), and the fixing assembly (2) can be fixed on a first workpiece (3) and/or a second workpiece (4) to be welded, so that a to-be-welded seam between the first workpiece (3) and the second workpiece (4) is located right above the groove.
2. The welding tooling of claim 1, characterized in that the top plate of the backing plate (1) is higher than the top surface of the clamping block (21).
3. The welding tooling of claim 1, characterized in that one of the clamp blocks (21) and the backing plate (1) is provided with a clamping interface, and the other is provided with a clamping flange (11), and the clamping flange (11) can be clamped in the clamping interface.
4. The welding tool according to claim 3, characterized in that the backing plate (1) comprises a main body, the clamping flanges (11) are arranged on two opposite sides of the main body, the clamping blocks (21) comprise a top plate, a bottom plate and a vertical plate, the vertical plate is connected with the top plate and the bottom plate, the clamping interfaces are formed between the top plate and the bottom plate, the main body is abutted to the bottom plate, and the surfaces of the top plate and the main body are abutted to arc surfaces.
5. The welding tool according to claim 1, characterized in that the first workpiece (3) and the second workpiece (4) are symmetrically distributed relative to a center line of the backing plate (1).
6. Welding tool according to claim 1, characterized in that the shim plate (1) is made of stainless steel and the first piece (3) and the second piece (4) are made of aluminium alloy.
7. Welding fixture according to any one of claims 1-6, characterized in that the shim plate (1) has a melting point not lower than the melting point of the first workpiece (3) and/or the second workpiece (4).
8. A welding process for butt-jointing ship outer plates, which is characterized in that two ship outer plates to be welded are placed on a keel of a ship body and fixed by using the welding tool as claimed in any one of claims 1 to 7, and comprises the following steps:
step 1: one of the two clamping blocks (21) is fixed on one of the two outer plates to be welded and is positioned in the cabin;
step 2: sequentially placing the base plate (1) and the other of the two clamping blocks (21) in the cabin, and fixing the other of the two clamping blocks (21) with the other outboard plate so as to clamp and fix the base plate (1) between the two clamping blocks (21);
and step 3: and welding and fixing the two outer ship plates outside the cabin.
9. Welding process of the butt joint of the outboard plate according to claim 8, characterized in that in step 2, the clamp block (21) is welded and fixed with the outboard plate;
the welding process for butting the outer plates of the ship further comprises the following steps of:
and 4, step 4: milling the welding point of the clamping block (21) in the step 2 to take out the base plate (1);
and 5: and (5) repeating the steps 1-4, and welding the outer plates to be welded at the rest positions.
10. The process of welding an outboard plate in butt joint according to claim 8, wherein a bevel is provided on the outboard plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011344444.9A CN112475656A (en) | 2020-11-25 | 2020-11-25 | Welding tool and welding process for butt joint of outer plates of ship |
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| CN202011344444.9A CN112475656A (en) | 2020-11-25 | 2020-11-25 | Welding tool and welding process for butt joint of outer plates of ship |
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| CN112475656A true CN112475656A (en) | 2021-03-12 |
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| CN202011344444.9A Pending CN112475656A (en) | 2020-11-25 | 2020-11-25 | Welding tool and welding process for butt joint of outer plates of ship |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115178838A (en) * | 2022-07-14 | 2022-10-14 | 正星氢电科技郑州有限公司 | Positioning tool suitable for welding flange and pipe fitting |
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| CN115178838A (en) * | 2022-07-14 | 2022-10-14 | 正星氢电科技郑州有限公司 | Positioning tool suitable for welding flange and pipe fitting |
| CN115178838B (en) * | 2022-07-14 | 2023-10-20 | 正星氢电科技郑州有限公司 | Positioning tool suitable for welding flange and pipe fitting |
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