CN115091021A - Welding device and method for large part structure - Google Patents
Welding device and method for large part structure Download PDFInfo
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- CN115091021A CN115091021A CN202210768725.XA CN202210768725A CN115091021A CN 115091021 A CN115091021 A CN 115091021A CN 202210768725 A CN202210768725 A CN 202210768725A CN 115091021 A CN115091021 A CN 115091021A
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- 238000003466 welding Methods 0.000 title claims abstract description 99
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000009471 action Effects 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 239000007790 solid phase Substances 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 40
- 229910001315 Tool steel Inorganic materials 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000001681 protective effect Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000004927 fusion Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/125—Rotary tool drive mechanism
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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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/12—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding
- B23K20/122—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding
- B23K20/1245—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating the heat being generated by friction; Friction welding using a non-consumable tool, e.g. friction stir welding characterised by the apparatus
- B23K20/126—Workpiece support, i.e. backing or clamping
-
- 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
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/26—Auxiliary equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Welding/Diffusion-Bonding (AREA)
Abstract
The invention relates to the technical field of structural welding, in particular to a device and a method for welding a large part structure. The welding device and the welding method for the large part structure utilize heat generated by friction between the high-speed rotating friction head and the large part to be welded to locally melt a welded material, when the friction head moves forwards along a welding interface, a plasticized material flows from the front part to the rear part of the large part to be welded under the action of rotating friction force of the large part to be welded to form a compact solid-phase welding seam under extrusion of the large part to be welded, and the welding device and the welding method for the large part structure have the advantages of simple operation equipment, low energy consumption, high efficiency, low requirement on operation environment and low cost.
Description
Technical Field
The invention relates to the technical field of structural welding, in particular to a device and a method for welding a large component structure.
Background
With the rapid development of social economy, the mechanical manufacturing industry puts higher requirements on product quality, production efficiency, working environment and safety. In the research process of the mechanical manufacturing technology and the machining process, the traditional mechanical manufacturing process has the problems of low production efficiency, high cost, unstable machining quality, high labor intensity, insufficient safety protection and the like. Therefore, analyzing the development trend of the machine manufacturing industry, mastering and exploring the relevant contents of the modern machine manufacturing technology and the high-precision machining technology have important significance for optimizing and improving the manufacturing technology.
The quality of large structural parts in engineering machinery has great influence on the quality of the whole machine. However, large structural members are generally complex, bulky and heavy, making it very difficult to control deformation during their manufacture, and welding is the most important process in the manufacture of structural members. The welding process directly affects the appearance and stability of the structural member.
However, when welding large structural members, the conventional welding method has high requirements on welding equipment, which increases welding cost and is not favorable for batch use.
Disclosure of Invention
The present invention is directed to a welding apparatus and method for large component structure, which solves the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a large part structure welding set, includes base, stand, installation cover and horizontal pole, stand fixed mounting is in the top of base, the surface in the stand is cup jointed to the installation cover, horizontal pole fixed connection is in the side of installation cover, the motor is installed at the top of horizontal pole.
The output of motor is connected with the dwang, the bottom fixed mounting of motor has the installation shell, the lag has been cup jointed to the surface bottom of dwang, the bottom fixedly connected with soldered connection of dwang, the bottom of soldered connection is connected with the friction head, there is the stop collar in the front of installation shell through bolted connection.
Preferably, the outer surface sliding connection of installation shell and horizontal pole, the dwang runs through the inside of stop collar, the friction head extends to the inside of soldered connection and with the inside joint of soldered connection.
Preferably, the quantity of base is two, two the mounting groove has been seted up to one side that the base is close to, the inside fixedly connected with bearing plate of mounting groove, the spout has been seted up to the upper surface left and right sides of bearing plate, the inner wall bottom fixedly connected with slip track of spout, the orbital top of sliding is connected with the sliding block, the top fixedly connected with welded platform of sliding block, the equidistant fixedly connected with supporting pad in bottom of base.
Preferably, the bottom of sliding block and the orbital top joint of sliding and mutual sliding connection, the equidistant symmetric distribution of sliding block is in welded platform's bottom.
A method of welding large component structures, comprising the steps of:
s1: preparing before welding, placing a welding platform and a sliding block at the top of a sliding track to enable the sliding block to slide on the sliding track, placing a large part to be welded on the welding platform, adjusting the height of an installation sleeve on the outer surface of a stand column, and sleeving an installation shell of a motor on the outer surface of a cross rod to enable the installation shell to slide on the outer surface of the cross rod.
S2: and starting the motor, driving the rotating rod to rotate by the output shaft of the motor, driving the welding head and the friction head to rotate by the rotating rod, and locally melting the welded material by utilizing heat generated by friction between the friction head rotating at a high speed and the large part to be welded.
S3: when the friction head moves forwards along the welding interface, the plasticized material flows from the front part to the rear part of the large part to be welded under the action of the rotating friction force of the large part to be welded, and a dense solid-phase welding seam is formed under the extrusion of the large part to be welded.
Preferably, the basic requirements of welding in S3 are the rotation of the friction head and the relative movement of the large components to be welded, and the material of the friction head is tool steel.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the device and the method for welding the large part structure, the change of the microstructure of the heat affected zone of the friction head is small, the residual stress is low, the large part to be welded is not easy to deform, welding of a long welding line, a large section and different positions can be completed at one time, and the welding process is safe, pollution-free, smoke-free, radiation-free and the like.
2. The welding device and the method for the large part structure have the advantages of simple operation equipment, low energy consumption, high efficiency, low requirement on the operation environment, no need of adding a welding wire, no need of removing an oxidation film before welding when welding the aluminum alloy, no need of protective gas and low cost.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the point A in FIG. 1;
fig. 3 is a schematic view of the welding structure of the present invention.
In the figure: 1. a base; 101. mounting grooves; 2. a column; 3. installing a sleeve; 4. a cross bar; 5. a motor; 501. rotating the rod; 502. installing a shell; 503. a protective sleeve; 504. welding a head; 505. a friction head; 506. a limiting sleeve; 6. welding a platform; 601. a bearing plate; 602. a chute; 603. a sliding track; 604. a slider; 7. and a support pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; 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 by those skilled in the art according to specific situations.
Referring to fig. 1-3, the present invention provides a technical solution:
the first embodiment is as follows:
the utility model provides a large part structure welding set, includes base 1, stand 2, installation cover 3 and horizontal pole 4, 2 fixed mounting in the top of base 1 of stand, installation cover 3 cup joints in the surface of stand 2, 4 fixed connection in the side of installation cover 3 of horizontal pole, motor 5 is installed at the top of horizontal pole 4, the equidistant a plurality of fixture blocks with 2 joints of stand that are provided with in the back of stand 2, installation cover 3 cup joints at the surface of stand 2 through the fixture block and can not drop.
The output end of the motor 5 is connected with a rotating rod 501, the bottom of the motor 5 is fixedly provided with an installation shell 502, the bottom of the outer surface of the rotating rod 501 is sleeved with a protective sleeve 503, the protective sleeve 503 plays a role in starting protection on the rotating rod 501, the bottom of the rotating rod 501 is fixedly connected with a welding head 504, the bottom of the welding head 504 is connected with a friction head 505, the front surface of the installation shell 502 is connected with a limit sleeve 506 through a bolt, the limit sleeve 506 plays a role in protecting the rotating rod 501, the installation shell 502 is connected with the outer surface of the cross rod 4 in a sliding way, the rotating rod 501 penetrates through the inside of the limit sleeve 506, the friction head 505 extends into the inside of the welding head 504 and is clamped with the inside of the welding head 504, the number of the bases 1 is two, one side, which is close to the two bases 1, the installation grooves 101 are fixedly connected with bearing plates 601, the left and right sides of the upper surface of the bearing plates 601 are provided with sliding grooves 602, and the bottom of the inner walls of the sliding tracks 603 are fixedly connected with the sliding tracks 603, the top of sliding rail 603 is connected with sliding block 604, and the top fixedly connected with welded platform 6 of sliding block 604, the equidistant fixedly connected with supporting pad 7 in bottom of base 1, the bottom of sliding block 604 and the top joint and the mutual sliding connection of sliding rail 603, the equidistant symmetric distribution of sliding block 604 in welded platform 6's bottom, and the material of friction head 505 is the tool steel, and threaded friction head is chooseed for use to friction head 505, wholly is the cylinder type.
Before welding, the welding platform 6 and the sliding block 604 are placed on the top of the sliding rail 603, so that the sliding block 604 can slide on the sliding rail 603, a large part to be welded is placed on the welding platform 6, the height of the mounting sleeve 3 on the outer surface of the upright post 2 is adjusted, the mounting shell 502 of the motor 5 is sleeved on the outer surface of the cross rod 4, so that the mounting shell 502 slides on the outer surface of the cross rod 4, the motor 5 is started, the output shaft of the motor 5 drives the rotating rod 501 to rotate, the rotating rod 501 drives the welding head 504 and the friction head 505 to rotate, and the welded material is locally melted by utilizing heat generated by friction between the friction head 505 rotating at a high speed and the large part to be welded.
A method of welding large component structures, comprising the steps of:
s1: preparing before welding, placing a welding platform and a sliding block at the top of a sliding track to enable the sliding block to slide on the sliding track, placing a large part to be welded on the welding platform, adjusting the height of an installation sleeve on the outer surface of a stand column, and sleeving an installation shell of a motor on the outer surface of a cross rod to enable the installation shell to slide on the outer surface of the cross rod.
S2: and starting the motor, driving the rotating rod to rotate by the output shaft of the motor, driving the welding head and the friction head to rotate by the rotating rod, and locally melting the welded material by utilizing heat generated by friction between the friction head rotating at a high speed and the large part to be welded.
S3: when the friction head moves forwards along the welding interface, the plasticized material flows from the front part to the rear part of the large part to be welded under the action of the rotating friction force of the large part to be welded, and a dense solid-phase welding seam is formed under the extrusion of the large part to be welded, wherein the basic requirement of welding is the rotating motion of the friction head and the relative motion of the large part to be welded.
During welding, the friction head extends into a joint of a large part to be welded while rotating, and due to friction heat between the friction head and the large part to be welded, a material in front of the friction head is subjected to strong plastic deformation, and then the material subjected to high plastic deformation is gradually deposited behind the friction head along with the movement of the large part to be welded, so that a friction stir welding seam is formed.
Because the temperature of the friction head during friction welding is relatively low, the residual stress or deformation of the welded structure is much less than that of fusion welding. The friction and the stirring in the welding process can remove the oxide film on the surface of a large part to be welded, and the welding process also has no smoke dust and splash and has low noise.
The second embodiment:
the utility model provides a large part structure welding set, includes base 1, stand 2, installation cover 3 and horizontal pole 4, 2 fixed mounting in the top of base 1 of stand, installation cover 3 cup joints in the surface of stand 2, 4 fixed connection in the side of installation cover 3 of horizontal pole, motor 5 is installed at the top of horizontal pole 4, the equidistant a plurality of fixture blocks with 2 joints of stand that are provided with in the back of stand 2, installation cover 3 cup joints at the surface of stand 2 through the fixture block and can not drop.
The output end of the motor 5 is connected with a rotating rod 501, the bottom of the motor 5 is fixedly provided with an installation shell 502, the bottom of the outer surface of the rotating rod 501 is sleeved with a protective sleeve 503, the protective sleeve 503 plays a role in starting protection on the rotating rod 501, the bottom of the rotating rod 501 is fixedly connected with a welding head 504, the bottom of the welding head 504 is connected with a friction head 505, the front surface of the installation shell 502 is connected with a limit sleeve 506 through a bolt, the limit sleeve 506 plays a role in protecting the rotating rod 501, the installation shell 502 is connected with the outer surface of the cross rod 4 in a sliding way, the rotating rod 501 penetrates through the inside of the limit sleeve 506, the friction head 505 extends into the inside of the welding head 504 and is clamped with the inside of the welding head 504, the number of the bases 1 is two, one side, which is close to the two bases 1, the installation grooves 101 are fixedly connected with bearing plates 601, the left and right sides of the upper surface of the bearing plates 601 are provided with sliding grooves 602, and the bottom of the inner walls of the sliding tracks 603 are fixedly connected with the sliding tracks 603, the top of sliding rail 603 is connected with sliding block 604, and the top fixedly connected with welded platform 6 of sliding block 604, the equidistant fixedly connected with supporting pad 7 in bottom of base 1, the bottom of sliding block 604 and the top joint of sliding rail 603 and mutual sliding connection, sliding block 604 equidistant symmetric distribution in welded platform 6's bottom, and the material of friction head 505 is the tool steel, and friction head 505 takes the friction head of three slot, wholly is the toper.
Before welding, the welding platform 6 and the sliding block 604 are placed on the top of the sliding rail 603, so that the sliding block 604 can slide on the sliding rail 603, a large part to be welded is placed on the welding platform 6, the height of the mounting sleeve 3 on the outer surface of the upright post 2 is adjusted, the mounting shell 502 of the motor 5 is sleeved on the outer surface of the cross rod 4, so that the mounting shell 502 slides on the outer surface of the cross rod 4, the motor 5 is started, the output shaft of the motor 5 drives the rotating rod 501 to rotate, the rotating rod 501 drives the welding head 504 and the friction head 505 to rotate, and the welded material is locally melted by utilizing heat generated by friction between the friction head 505 rotating at a high speed and the large part to be welded.
A method of welding large component structures, comprising the steps of:
s1: preparing before welding, placing a welding platform and a sliding block at the top of a sliding rail to enable the sliding block to slide on the sliding rail, placing a large part to be welded on the welding platform, adjusting the height of an installation sleeve on the outer surface of an upright post, and sleeving an installation shell of a motor on the outer surface of a cross rod to enable the installation shell to slide on the outer surface of the cross rod.
S2: and starting the motor, driving the rotating rod to rotate by the output shaft of the motor, driving the welding head and the friction head to rotate by the rotating rod, and locally melting the welded material by utilizing heat generated by friction between the friction head rotating at a high speed and the large part to be welded.
S3: when the friction head moves forwards along the welding interface, the plasticized material flows from the front part to the rear part of the large part to be welded under the action of the rotating friction force of the large part to be welded, and a dense solid-phase welding seam is formed under the extrusion of the large part to be welded, wherein the basic requirement of welding is the rotating motion of the friction head and the relative motion of the large part to be welded.
In the welding process, the friction head extends into the joint of the large parts to be welded while rotating, the friction heat between the friction head and the large parts to be welded causes the material in front of the friction head to generate strong plastic deformation, and then the material with high plastic deformation gradually deposits at the back of the friction head along with the movement of the large parts to be welded, thereby forming the stirring friction welding seam.
Because the temperature of the friction head during friction welding is relatively low, the residual stress or deformation of the welded structure is much less than that of fusion welding. The friction and the stirring in the welding process can remove the oxide film on the surface of a large part to be welded, and the welding process also has no smoke dust and splash and has low noise.
Through comparison of welding positions, the conical friction head with the three grooves is found to enter large parts to be welded more easily than a threaded cylindrical friction head, stress concentration and fracture possibility of the friction head are reduced, and compared with the conical friction head with the three grooves, material rolling amount of the threaded cylindrical friction head with the same radius is reduced, so that the second embodiment is the best embodiment of the scheme.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a big part structure welding set, includes base (1), stand (2), installation cover (3) and horizontal pole (4), stand (2) fixed mounting is in the top of base (1), installation cover (3) cup joint in the surface of stand (2), horizontal pole (4) fixed connection is in the side of installation cover (3), its characterized in that: the top of the cross rod (4) is provided with a motor (5);
the output of motor (5) is connected with dwang (501), the bottom fixed mounting of motor (5) has installation shell (502), lag (503) have been cup jointed to the surface bottom of dwang (501), the bottom fixedly connected with soldered connection (504) of dwang (501), the bottom of soldered connection (504) is connected with friction head (505), there is stop collar (506) through bolted connection in the front of installation shell (502).
2. A large part structure welding apparatus according to claim 1, wherein: the outer surface sliding connection of installation shell (502) and horizontal pole (4), the inside of stop collar (506) is run through in dwang (501), friction head (505) extend to the inside of soldered connection (504) and with the inside joint of soldered connection (504).
3. A large part structure welding apparatus according to claim 1, wherein: the quantity of base (1) is two, two mounting groove (101) have been seted up to one side that base (1) is close to, the inside fixedly connected with bearing plate (601) of mounting groove (101), spout (602) have been seted up to the upper surface left and right sides of bearing plate (601), inner wall bottom fixedly connected with slip track (603) of spout (602), the top of slip track (603) is connected with sliding block (604), top fixedly connected with welded platform (6) of sliding block (604), fixedly connected with supporting pad (7) such as the bottom of base (1) are equidistant.
4. A large part structure welding apparatus according to claim 3, wherein: the bottom of sliding block (604) and the top joint and mutual sliding connection of slip track (603), sliding block (604) equidistant symmetric distribution is in the bottom of welded platform (6).
5. A method of welding large component structures, comprising the steps of:
s1: preparing before welding, namely placing a welding platform and a sliding block at the top of a sliding track to enable the sliding block to slide on the sliding track, placing a large part to be welded on the welding platform, adjusting the height of an installation sleeve on the outer surface of an upright post, and sleeving an installation shell of a motor on the outer surface of a cross rod to enable the installation shell to slide on the outer surface of the cross rod;
s2: starting a motor, driving a rotating rod to rotate by an output shaft of the motor, driving a welding head and a friction head to rotate by the rotating rod, and locally melting a welded material by utilizing heat generated by friction between the friction head rotating at a high speed and a large part to be welded;
s3: when the friction head moves forwards along the welding interface, plasticized materials flow from the front part to the rear part of the large part to be welded under the action of the rotating friction force of the large part to be welded, and a dense solid-phase welding seam is formed under the extrusion of the large part to be welded.
6. A method of welding a large part structure according to claim 5, wherein: the basic requirements of welding in the step S3 are the rotation of the friction head and the relative movement of the large components to be welded, and the friction head is made of tool steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202210768725.XA CN115091021A (en) | 2022-06-30 | 2022-06-30 | Welding device and method for large part structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210768725.XA CN115091021A (en) | 2022-06-30 | 2022-06-30 | Welding device and method for large part structure |
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| CN115091021A true CN115091021A (en) | 2022-09-23 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1428648A (en) * | 1965-02-12 | 1966-02-18 | Kaiser Aluminium Chem Corp | Sheet metal stretchers |
| CN207479837U (en) * | 2017-12-05 | 2018-06-12 | 重庆益新达汽车零部件有限责任公司 | A kind of friction welding apparatus |
| CN208496059U (en) * | 2018-07-03 | 2019-02-15 | 南京中德机床股份有限公司 | A kind of gantry friction stir welding machine |
| CN112589255A (en) * | 2020-11-25 | 2021-04-02 | 南京工业职业技术大学 | Multi-functional friction stir welding soldered connection of easily dismantling |
| CN213469957U (en) * | 2020-11-09 | 2021-06-18 | 杭州国信实业有限公司 | Aluminum alloy friction welding equipment |
| CN215846296U (en) * | 2021-01-26 | 2022-02-18 | 广东铭利达科技有限公司 | Multifunctional friction stir welding joint |
-
2022
- 2022-06-30 CN CN202210768725.XA patent/CN115091021A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1428648A (en) * | 1965-02-12 | 1966-02-18 | Kaiser Aluminium Chem Corp | Sheet metal stretchers |
| CN207479837U (en) * | 2017-12-05 | 2018-06-12 | 重庆益新达汽车零部件有限责任公司 | A kind of friction welding apparatus |
| CN208496059U (en) * | 2018-07-03 | 2019-02-15 | 南京中德机床股份有限公司 | A kind of gantry friction stir welding machine |
| CN213469957U (en) * | 2020-11-09 | 2021-06-18 | 杭州国信实业有限公司 | Aluminum alloy friction welding equipment |
| CN112589255A (en) * | 2020-11-25 | 2021-04-02 | 南京工业职业技术大学 | Multi-functional friction stir welding soldered connection of easily dismantling |
| CN215846296U (en) * | 2021-01-26 | 2022-02-18 | 广东铭利达科技有限公司 | Multifunctional friction stir welding joint |
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