Barrel friction stir welding device
By designing a friction stir welding device for cylinders, the axial seam of the cylinder is welded using a support beam and a pushing component. This solves the problem of lack of support for axial seam welding of cylinders, and achieves the effect of simplifying the welding process and adapting to cylinders of different heights.
Patent Information
- Application Number
- CN202520513056.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-21
AI Technical Summary
In existing technologies, friction stir welding lacks an effective support structure when welding the axial seam of the cylinder, making it difficult to achieve effective welding.
A cylindrical friction stir welding device was designed, including a base plate, a fixed cylinder, a movable cylinder, a support beam, a positioning component, and a pushing component. By adjusting the position of the movable cylinder, fixing the cylinder with the positioning component, and using the pushing component to push the cylinders together, the axial seam of the cylinder can be welded.
It provides effective support for the axial seam of the cylinder, simplifies the welding process, adapts to cylinders of different heights, and solves the problem of lack of support structure when welding the axial seam of the cylinder.
Smart Images
Figure CN223876273U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of friction stir welding, especially to a cylinder friction stir welding device. BACKGROUND
[0002] Friction stir welding is a solid-state plasticizing connection technology, and the weld metal can form a weld without melting during the welding process. Since its advent, friction stir welding technology has been widely used in the field of welding of low-melting-point metals, especially aluminum alloys. Friction stir welding technology has the following characteristics: no melting welding defects, small welding deformation, simple operation, and suitable for various materials and joint forms.
[0003] Although friction stir welding has many incomparable advantages over melting welding methods, currently, more melting welding technology is used when welding cylinder structures. The main reason is that friction stir welding needs to provide rigid support to the back of the weld, while melting welding methods do not need to, and for many welding structures, it is difficult to provide rigid support to the back, especially for thin-walled cylinder structures. In the prior art, support fixtures for cylinder girth seam welding are common, and there are few support structures for cylinder axial seam welding. SUMMARY
[0004] In order to improve the problem of lack of support structure for friction stir welding of cylinder axial seam, the application provides a cylinder friction stir welding device.
[0005] The cylinder friction stir welding device provided by the application adopts the following technical scheme:
[0006] A cylinder friction stir welding device, comprising a bottom plate, a fixed cylinder, a movable cylinder, and a support beam, the fixed cylinder is fixedly connected to the bottom plate, the bottom of the movable cylinder is connected with a connecting plate, the connecting plate is provided with a connecting hole, and one connecting hole is arranged at each corner of the connecting plate, the bottom plate is provided with a first adjusting hole corresponding to the connecting hole, a plurality of first adjusting holes are uniformly arranged along the length direction of the bottom plate, a first locking bolt is connected between the connecting hole and the first adjusting hole, the end part of the piston rod of the fixed cylinder and the movable cylinder is respectively connected with a first fixing frame and a second fixing frame, the first fixing frame and the second fixing frame are both arranged in the shape of a "U", one end of the support beam is connected to the first fixing frame, and the other end is placed on the second fixing frame, a locking rod is arranged on the second fixing frame, a locking hole is arranged on the support beam for the locking rod to be inserted, a plurality of locking holes are uniformly arranged along the length direction of the support beam, a positioning assembly for positioning the cylinder is arranged on the support beam, a pushing assembly for pushing the cylinders to merge is arranged on the bottom plate, and the pushing assembly is arranged on the opposite sides of the support beam.
[0007] Preferably, the second fixing frame is connected with mounting barrels, one mounting barrel is arranged on each opposite side of the second fixing frame, a barrel cover is connected with the barrel opening of the mounting barrel, the locking rod is arranged between the mounting barrel, the barrel cover and the second fixing frame, the mounting barrel, the barrel cover and the second fixing frame are all provided with through holes for the locking rod to pass through, the axis of the locking rod is arranged in line with the axis of the mounting barrel, a sliding block is fixedly connected with the rod body of the locking rod in the mounting barrel, the side wall of the sliding block is slidably attached to the inner wall of the mounting barrel, the spring is sleeved with the rod body of the locking rod in the mounting barrel, one end of the spring abuts against the sliding block, and the other end of the spring abuts against the barrel cover, and the end of the locking rod not penetrating into the mounting barrel is connected with a pull block.
[0008] Preferably, the second fixing frame is connected with a third fixing frame, the third fixing frame is arranged in the shape of a "n", and the third fixing frame is connected with a metal roller, and one end of the support beam is placed on the metal roller.
[0009] Preferably, the positioning assembly comprises a fixed block, a movable block, a first fixed plate, a second fixed plate and a second locking bolt, the fixed block and the movable block are both arranged in the shape of a regular quadrangular prism, the fixed block is fixedly connected with the support beam, the fixed block is arranged at one end of the support beam close to the fixed cylinder, one fixed block is symmetrically arranged on each side of the axis of the support beam in the length direction, the movable block is arranged on the support beam, the movable block is arranged at one end of the support beam close to the movable cylinder, two movable blocks are arranged corresponding to the fixed block, the second locking bolt is connected between the movable block and the support beam, the blind hole for the second locking bolt to pass through is arranged on the movable block, the second adjusting holes for the second locking bolt to be connected are arranged on the support beam, a plurality of second adjusting holes are uniformly arranged on the support beam in the length direction, and the first fixed plate and the second fixed plate are fixedly connected with the fixed block and the movable block respectively.
[0010] Preferably, the pushing assembly comprises a lifting hydraulic cylinder, a mounting plate, a pushing cylinder and a push plate, the lifting hydraulic cylinder is connected with the bottom plate, the piston rod of the lifting hydraulic cylinder is arranged in the vertical direction, the mounting plate is connected with the piston rod of the lifting hydraulic cylinder, the mounting plate is arranged in the direction parallel to the support beam, the pushing cylinder is connected with the mounting plate, the piston rod of the pushing cylinder is arranged in the direction perpendicular to the support beam, a plurality of pushing cylinders are uniformly arranged on the mounting plate in the length direction, and the push plate is connected with the end of the piston rod of the pushing cylinder.
[0011] Preferably, a guide telescopic rod is connected between the bottom plate and the mounting plate, the guide telescopic rod is arranged in the direction perpendicular to the bottom plate, and one guide telescopic rod is arranged at each end of the mounting plate.
[0012] To sum up, the present application includes the following beneficial technical effects:
[0013] The utility model provides a kind of cylinder body friction stir welding device, including bottom plate, fixed cylinder, movable cylinder, support crossbeam, connecting plate, first locking bolt, first fixed frame, second fixed frame, locking rod, positioning assembly and push assembly, when operating, operator first according to the length of the cylinder to be welded, movable cylinder's position is adjusted by locking rod, then two cylinder shells are set in the outside of support crossbeam, and cylinder is positioned by positioning assembly, then two cylinder shells are split by using push assembly and push, and the axial seam of cylinder can be welded, and positioning assembly can also be adjusted according to the length of cylinder, fixed cylinder and movable cylinder can lift support crossbeam, to adapt to the cylinder of different height, to reach the effect of the problem of improving the lack of support structure when stirring friction welding for cylinder axial seam welding. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is the structure schematic view of cylinder body friction stir welding device in the embodiment of the present application;
[0015] Figure 2 It is Figure 1 the enlarged view of A in
[0016] Figure 3 It is the schematic view for embodying locking rod in the embodiment of the present application.
[0017] Explanations of reference numerals: 1, bottom plate;11, first adjusting hole;12, guide telescopic rod;2, fixed cylinder;21, first fixed frame;3, movable cylinder;31, connecting plate;311, first locking bolt;32, second fixed frame;321, locking rod;4, support crossbeam;41, locking hole;42, second adjusting hole;5, positioning assembly;51, fixed block;52, movable block;53, first fixed plate;54, second fixed plate;55, second locking bolt;6, push assembly;61, lifting hydraulic cylinder;62, mounting plate;63, push cylinder;64, push plate;7, mounting cylinder;71, cylinder cover;72, sliding block;73, spring;74, pull block;8, third fixed frame;81, metal roller. DETAILED DESCRIPTION
[0018] In order to make the personnel of the prior art better understand the utility model scheme, below will combine the utility model embodiment with the scheme of the utility model embodiment clear, complete description, obviously, the described embodiment is only a part of the embodiment of the utility model, not all, based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without doing creative work should belong to the scope of the utility model protection.
[0019] In the description of the utility model, it is necessary to explain, the terms '' center '', '' upper '', '' lower '', '' left '', '' right '', '' vertical '', '' horizontal '', '' internal '', '' external '' and so on indicate the orientation or position relation based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a specific orientation and a specific orientation structure and operation, therefore, it cannot be understood as the limitation of the utility model, the terms '' first '', '' second '' and '' third '' are only used for the purpose of description, and cannot be understood as indicating or implying relative importance, in addition, unless otherwise explicitly specified and limited, the terms '' installation '', '' connection '' and '' connection '' should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0020] The utility model discloses a barrel body friction stir welding device. Refer to Figures 1-3 , the barrel body friction stir welding device includes the bottom plate 1, fixed cylinder 2, movable cylinder 3 and support crossbeam 4, fixed cylinder 2 is fixedly connected on the bottom plate 1, the bottom of movable cylinder 3 is connected with the connecting plate 31, is set up with one in the four corners of connecting plate 31 on connecting hole, the first adjusting hole 11 corresponding with connecting hole is set up on the bottom plate 1, the first adjusting hole 11 is evenly arranged with several along the length direction of bottom plate 1, first locking bolt 311 is connected between connecting hole and first adjusting hole 11, the end of the piston rod of fixed cylinder 2 and movable cylinder 3 is connected with first fixed frame 21 and second fixed frame 32 respectively, first fixed frame 21 and second fixed frame 32 are all set up in the shape of " N ", one end of support crossbeam 4 is connected on first fixed frame 21, and the other end is placed on second fixed frame 32, locking rod is set up on second fixed frame 32, locking hole 41 for the insertion of locking rod is set up on support crossbeam 4, locking hole 41 is evenly arranged with several along the length direction of support crossbeam 4, the positioning assembly 5 for positioning barrel body is set up on support crossbeam 4, the pushing assembly 6 for pushing barrel body to merge is set up on the bottom plate 1, and the pushing assembly 6 is arranged on the opposite side of support crossbeam 4 respectively.
[0021] The second fixing frame 32 is connected with mounting barrels 7, and one mounting barrel 7 is arranged on each opposite side of the second fixing frame 32. A barrel cover 71 is connected to the barrel mouth of the mounting barrel 7. A locking rod is arranged between the mounting barrel 7, the barrel cover 71 and the second fixing frame 32. A through hole is arranged on the mounting barrel 7, the barrel cover 71 and the second fixing frame 32 for the locking rod to pass through. The axis of the locking rod is arranged in line with the axis of the mounting barrel 7. A sliding block 72 is fixedly connected to the rod body of the locking rod in the mounting barrel 7. The side wall of the sliding block 72 is slidingly attached to the inner wall of the mounting barrel 7. The spring 73 is sleeved on the rod body of the locking rod in the mounting barrel 7. One end of the spring 73 abuts against the sliding block 72, and the other end abuts against the barrel cover 71. The end of the locking rod not penetrating into the mounting barrel 7 is connected with a pull block 74.
[0022] The second fixing frame 32 is connected with a third fixing frame 8. The third fixing frame 8 is arranged in the shape of a “n”. The third fixing frame 8 is connected with a metal roller 81. One end of the support beam 4 is placed on the metal roller 81. In this way, the movable air cylinder 3 is facilitated to move.
[0023] The positioning assembly 5 comprises a fixed block 51, a movable block 52, a first fixing plate 53, a second fixing plate 54 and a second locking bolt 55. The fixed block 51 and the movable block 52 are arranged in the shape of a regular quadrangular prism. The fixed block 51 is fixedly connected to the support beam 4. The fixed block 51 is arranged at one end of the support beam 4 close to the fixed cylinder 2. The fixed block 51 is symmetrically arranged on both sides of the axis of the support beam 4 in the length direction. The movable block 52 is arranged on the support beam 4. The movable block 52 is arranged at one end of the support beam 4 close to the movable air cylinder 3. The movable block 52 is arranged in two corresponding fixed blocks 51. The second locking bolt 55 is connected between the movable block 52 and the support beam 4. A blind hole is arranged on the movable block 52 for the second locking bolt 55 to pass through. A second adjusting hole 42 is arranged on the support beam 4 for the second locking bolt 55 to connect. A plurality of second adjusting holes 42 are uniformly arranged along the length direction of the support beam 4. The first fixing plate 53 and the second fixing plate 54 are fixedly connected to the fixed block 51 and the movable block 52 respectively. The first fixing plate 53 and the second fixing plate 54 can contact the side wall of the barrel.
[0024] The pushing assembly 6 comprises a lifting hydraulic cylinder 61, a mounting plate 62, a pushing cylinder 63 and a push plate 64. The lifting hydraulic cylinder 61 is connected to the bottom plate 1. The piston rod of the lifting hydraulic cylinder 61 is arranged in the vertical direction. The mounting plate 62 is connected to the piston rod of the lifting hydraulic cylinder 61. The mounting plate 62 is arranged in the direction parallel to the support beam 4. The pushing cylinder 63 is connected to the mounting plate 62. The piston rod of the pushing cylinder 63 is arranged in the direction perpendicular to the support beam 4. A plurality of pushing cylinders 63 are uniformly arranged along the length direction of the mounting plate 62. The push plate 64 is connected to the end of the piston rod of the pushing cylinder 63.
[0025] A guide telescopic rod 12 is connected between the bottom plate 1 and the mounting plate 62, the guide telescopic rod 12 is arranged along the direction perpendicular to the bottom plate 1, and the guide telescopic rod 12 is arranged at two ends of the mounting plate 62 respectively, and the guide telescopic rod 12 is beneficial to improve the stability of the mounting plate 62 during movement.
[0026] The operation principle of the embodiment of the barrel friction stir welding device is as follows: during operation, an operator first adjusts the movable cylinder 3 to a proper position according to the length of the barrel to be welded, then locks the first locking bolt 311, and inserts the locking rod into the locking hole 41 by using the spring 73 to push the sliding block 72, so as to fix the movable cylinder 3, then moves the two barrel halves from the left and right sides of the support beam 4 to the support beam 4 for splicing, then locks the second locking bolt 55, and limits the up-down movement of the barrel by the first fixed plate 53 and the second fixed plate 54, then adjusts the push cylinder 63 to a proper height (the piston rod of the push cylinder 63 is on the length direction center line of the barrel side wall) by the lifting hydraulic cylinder 61, then the push cylinder 63 drives the push plate 64 to push the barrel, the two barrel halves are tightly spliced, and the axial seam of the barrel can be welded.
[0027] Finally, it should be noted that: the above only is the preferred implementation manner of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, and any technical scheme falling within the idea of the present application belongs to the protection scope of the present application. It should be pointed out that, for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application, these improvements and decorations should also be considered as the protection scope of the present application.
Claims
1. A barrel friction stir welding device, characterized by: The utility model provides a kind of cylinder supporting device, including bottom plate (1), fixed cylinder (2), movable cylinder (3) and support crossbeam (4), the fixed cylinder (2) is fixedly connected on bottom plate (1), the bottom of movable cylinder (3) is connected with connecting plate (31), connecting hole is set on connecting plate (31), connecting hole is separately equipped with one at four corners of connecting plate (31), first adjusting hole (11) corresponding with connecting hole is set on bottom plate (1), first adjusting hole (11) is evenly arranged with several along the length direction of bottom plate (1), first locking bolt (311) is connected between connecting hole and first adjusting hole (11), the end of piston rod of fixed cylinder (2) and movable cylinder (3) is respectively connected with first fixed frame (21) and second fixed frame (32), first fixed frame (21) and second fixed frame (32) are all set as "N” type, one end of support crossbeam (4) is connected on first fixed frame (21), and the other end is placed on second fixed frame (32), locking rod is set on second fixed frame (32), locking hole (41) for inserting locking rod is set on support crossbeam (4), locking hole (41) is evenly arranged with several along the length direction of support crossbeam (4), positioning assembly (5) for positioning cylinder is set on support crossbeam (4), pushing assembly (6) for pushing cylinder to merge is set on bottom plate (1), pushing assembly (6) is separately equipped with one on opposite sides of support crossbeam (4).
2. A tubular friction stir welding apparatus as claimed in claim 1, wherein: Second fixed frame (32) is connected with mounting cylinder (7), mounting cylinder (7) is separately equipped with one on opposite sides of second fixed frame (32), cylinder cover (71) is connected on the cylinder mouth of mounting cylinder (7), locking rod is arranged between mounting cylinder (7), cylinder cover (71) and second fixed frame (32), through hole for locking rod is set on mounting cylinder (7), cylinder cover (71) and second fixed frame (32), the axis of locking rod is arranged collinearly with the axis of mounting cylinder (7), sliding block (72) is fixedly connected on the rod of locking rod in mounting cylinder (7), the side wall of sliding block (72) is slidably attached to the inner wall of mounting cylinder (7), spring (73) is sleeved on the rod of locking rod in mounting cylinder (7), one end of spring (73) abuts sliding block (72), and the other end abuts cylinder cover (71), the end of locking rod not inserted into mounting cylinder (7) is connected with pull block (74).
3. A tubular friction stir welding apparatus as claimed in claim 1, wherein: Third fixed frame (8) is connected on second fixed frame (32), third fixed frame (8) is set as "N” type, metal roller (81) is connected on third fixed frame (8), one end of support crossbeam (4) is placed on metal roller (81).
4. A tubular friction stir welding apparatus as claimed in claim 1, wherein: The positioning assembly (5) comprises a fixed block (51), a movable block (52), a first fixed plate (53), a second fixed plate (54) and a second locking bolt (55), the fixed block (51) and the movable block (52) are both arranged in the shape of a regular quadrangular prism, the fixed block (51) is fixedly connected to the support beam (4), the fixed block (51) is located at one end of the support beam (4) close to the fixed cylinder (2), the fixed block (51) is symmetrically provided with one on both sides of the axis in the length direction of the support beam (4), the movable block (52) is arranged on the support beam (4), the movable block (52) is located at one end of the support beam (4) close to the movable cylinder (3), the movable block (52) is provided with two corresponding to the fixed block (51), the second locking bolt (55) is connected between the movable block (52) and the support beam (4), the blind hole for the second locking bolt (55) to pass through is formed in the movable block (52), the second adjusting hole (42) for the second locking bolt (55) to connect is formed in the support beam (4), a plurality of second adjusting holes (42) are uniformly arranged along the length direction of the support beam (4), the first fixed plate (53) and the second fixed plate (54) are fixedly connected to the fixed block (51) and the movable block (52) respectively, and the first fixed plate (53) and the second fixed plate (54) can contact the side wall of the cylinder.
5. A tubular friction stir welding apparatus as claimed in claim 1, wherein: The pushing assembly (6) comprises a lifting hydraulic cylinder (61), a mounting plate (62), a pushing cylinder (63) and a push plate (64), the lifting hydraulic cylinder (61) is connected to the bottom plate (1), the piston rod of the lifting hydraulic cylinder (61) is arranged in the vertical direction, the mounting plate (62) is connected to the piston rod of the lifting hydraulic cylinder (61), the mounting plate (62) is arranged in the direction parallel to the support beam (4), the pushing cylinder (63) is connected to the mounting plate (62), the piston rod of the pushing cylinder (63) is arranged in the direction perpendicular to the support beam (4), a plurality of pushing cylinders (63) are uniformly arranged along the length direction of the mounting plate (62), and the push plate (64) is connected to the end of the piston rod of the pushing cylinder (63).
6. A rotary friction welding device according to claim 5, wherein: The guide telescopic rod (12) is connected between the bottom plate (1) and the mounting plate (62), the guide telescopic rod (12) is arranged in the direction perpendicular to the bottom plate (1), and the guide telescopic rod (12) is provided with one at both ends of the mounting plate (62).