Vibration friction welding tool for air inlet pipe

Abstract

The utility model relates to the technical field of vibration friction welding, in particular to an air inlet pipe vibration friction welding tool which comprises a first fixing seat, a second fixing seat, a first connecting column, a second connecting column, a first abutting mechanism and a second abutting mechanism. The first fixing base and the second fixing base are buckled through the first connecting column and the second connecting column correspondingly so that the first pressing structure and the second pressing structure can press the upper half portion and the lower half portion of the air inlet pipe, and the first abutting mechanism and the second abutting mechanism are installed on the two sides of the top of the second fixing base correspondingly. The first abutting mechanism and the second abutting mechanism are used for abutting against the two sides of the lower half part correspondingly. The upper half portion and the lower half portion of the air inlet pipe can be pressed through the first pressing structure and the second pressing structure, the first abutting mechanism and the second abutting mechanism are used for abutting against the two sides of the lower half portion of the air inlet pipe respectively, accurate positioning of the welding position is achieved, and therefore the friction welding strength is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to vibration friction welding technical field more particularly, it relates to a kind of air inlet pipe vibration friction welding tool. BACKGROUND

[0002] Vibration friction welding is a new type of welding method by high-frequency vibration to make the welding piece under pressure state mutual friction to generate heat and then solidify under pressure state, so as to realize welding.Compared with traditional plastic connection method, vibration friction welding has the characteristics of fast welding speed, high strength, good sealing, accurate control, etc., and is particularly suitable for welding large size, complex shape automobile plastic products.Vibration friction welding does not need to use additional materials, such as fastener, insert, electromagnetic induction preform or solvent, etc., which can improve product quality, reduce production cost and reduce environmental pollution.

[0003] Vibration friction plastic welding is a welding method that uses electromagnetic transmission device to generate relative motion between two thermoplastic parts, and then generates heat by friction to form fusion.The part joint surface using vibration friction welding is automatically aligned under the action of the fusion equipment, and the upper and lower workpieces are in contact under the action of pressure, and then linearly vibrate at a frequency of 120-240 Hz, so that the generated vibration energy is transmitted to the contact surface of the upper and lower fusion workpieces, generating friction heat to completely fuse the workpieces together.The process is similar to pressing two palms tightly against each other and moving back and forth to generate heat.In order to ensure sufficient welding strength, a special welding tool needs to be designed to fix the welded parts.

[0004] The prior art CN201110460019.0 discloses an air inlet manifold vibration welding mold, which comprises an upper mold core fixedly arranged on an upper mold base and matched with the outer contour surface of an upper air inlet manifold, and a lower mold core fixedly arranged on a lower mold base and matched with the outer contour surface of a lower air inlet manifold.The upper mold core is composed of a plurality of upper mold core sub-inserts arranged on the upper mold base and matched with the outer contour surface of the upper air inlet manifold.The lower mold core is composed of a plurality of lower mold core sub-inserts arranged on the lower mold base and matched with the outer contour surface of the lower air inlet manifold.The upper and lower mold cores are replaced by upper and lower mold core sub-inserts, which can be replaced when the product is replaced, avoiding the replacement of the entire upper and lower mold cores, reducing the manufacturing cost and being easy to maintain.However, this technical solution only presses the upper and lower end surfaces of the workpiece and does not limit the two sides, and the positioning between the two parts of the workpiece is not good. UTILITY MODEL CONTENTS

[0005] The utility model discloses a purpose at overcoming the deficiency of the prior art mould to the processing piece both sides positioning, propose a kind of air intake pipe vibration friction welding tool, this tool not only can be up and down clamped to air intake pipe upper half and air intake pipe lower half, but also can realize the limiting of left and right sides, positioning accurate.

[0006] To achieve the above object, an air intake pipe vibration friction welding tool, including first fixed seat, second fixed seat, first connecting column, second connecting column, first abutting mechanism and second abutting mechanism, the first connecting column is fixed in the bottom of the first fixed seat, the second connecting column is fixed in the top of the second fixed seat, the bottom of the first connecting column is connected with the top of the second connecting column, the bottom of the first fixed seat is fixed with the first pressure structure that is adapted to air intake pipe upper half, the top of the second fixed seat is fixed with the second pressure structure that is adapted to air intake pipe lower half, the first fixed seat and second fixed seat are respectively buckled by the first connecting column and second connecting column to make the first pressure structure and second pressure structure press tightly air intake pipe upper half and air intake pipe lower half, the first abutting mechanism and second abutting mechanism are respectively installed in the top of the second fixed seat both sides, the first abutting mechanism and second abutting mechanism are respectively used to abut tightly the both sides of air intake pipe lower half.

[0007] In the technical scheme, the first fixed seat and the second fixed seat are opened first, the air intake pipe upper half is placed in the first pressure structure, and the air intake pipe lower half is placed in the second pressure structure, wherein the first abutting mechanism and the second abutting mechanism abut the left and right sides of the air intake pipe lower half respectively, to realize accurate positioning of the welding position, and then the first fixed seat and the second fixed seat are buckled by the first connecting column and the second connecting column respectively, so that the air intake pipe upper half and the air intake pipe lower half are pressed tightly, the top of the first fixed seat is connected to the power output end of the press machine, the press machine pressurizes the first fixed seat and maintains pressure during the vibration friction welding process, the second fixed seat is installed on the vibration generator, and the vibration generator generates high-frequency vibration, so as to realize the friction welding of the air intake pipe upper half and the air intake pipe lower half.

[0008] As a preferred scheme, the first pressure structure includes a plurality of first pressure blocks fixed to the bottom of the first fixed seat, and the plurality of first pressure blocks are sequentially arranged around the edge of the end face of the air intake pipe upper half, the second pressure structure includes a plurality of second pressure blocks fixed to the top of the second fixed seat, and the plurality of second pressure blocks are sequentially arranged around the edge of the end face of the air intake pipe lower half, and the first pressure structure and the second pressure structure only press the edge positions of the air intake pipe upper half and the air intake pipe lower half, i.e. only press the connection positions of the air intake pipe upper half and the air intake pipe lower half, so as to ensure the friction welding quality.

[0009] As a preferred solution, in order to better conduct vibration, gaps are respectively provided between the adjacent first pressing blocks and second pressing blocks.

[0010] As a preferred solution, in order to better conduct vibration, the bottom of the first pressing block is provided with a first arc-shaped surface matched with the outer wall of the upper half of the air intake pipe, and the top of the second pressing block is provided with a second arc-shaped surface matched with the outer wall of the lower half of the air intake pipe.

[0011] As a preferred solution, in order to limit one side of the lower half of the air intake pipe, the first abutting mechanism comprises a first driving device, a first guide rail, a first sliding block and a first abutting block, the first guide rail is installed on the second fixed seat, the first sliding block is slidingly connected to the first guide rail, the first driving device is installed at one end of the first guide rail and the power output end of the first driving device is connected to the first sliding block to drive the first sliding block to slide, the first abutting block is fixed on the first sliding block, one side of the first abutting block is matched with the structure of one side of the lower half of the air intake pipe, and the first driving device drives the first abutting block on the first sliding block to abut against one side of the lower half of the air intake pipe.

[0012] As a preferred solution, in order to limit the other side of the lower half of the air intake pipe, the second abutting mechanism comprises a second driving device, a second guide rail, a second sliding block and a second abutting block, the second guide rail is installed on the second fixed seat, the second sliding block is slidingly connected to the second guide rail, the second driving device is installed at one end of the second guide rail and the power output end of the second driving device is connected to the second sliding block to drive the second sliding block to slide, the second abutting block is fixed on the second sliding block, one side of the second abutting block is matched with the structure of the other side of the lower half of the air intake pipe, and the second driving device drives the second abutting block on the second sliding block to abut against the other side of the lower half of the air intake pipe.

[0013] As a preferred solution, in order to lock the first locking pin, the second fixed seat is provided with a first locking mechanism corresponding to the position of the first abutting mechanism, the first locking mechanism comprises a first connecting seat, a third driving device and a first locking pin, the first connecting seat is installed on the second fixed seat, the first connecting seat is provided with a first sliding groove, the first locking pin is slidingly connected in the first sliding groove, the third driving device is installed at one end of the first connecting seat and the power output end of the third driving device is connected to the first locking pin to drive the first locking pin to extend or retract, one side of the first sliding block is provided with a first clamping groove matched with the first locking pin, and the third driving device drives the first locking pin to extend and be clamped in the first clamping groove to limit the first locking pin.

[0014] As a preferred scheme, in order to lock the second locking pin, the second fixing base is provided with a second locking mechanism corresponding to the position of the second abutting mechanism, the second locking mechanism comprises a second connecting base, a fourth driving device and a second locking pin, the second connecting base is installed on the second fixing base, the second connecting base is provided with a second sliding groove, the second locking pin is slidably connected in the second sliding groove, the fourth driving device is installed on one end of the second connecting base and the power output end of the fourth driving device is connected with the second locking pin to drive the second locking pin to extend or retract, one side of the second sliding block is provided with a second clamping groove matched with the second locking pin, and the fourth driving device drives the second locking pin to extend and be clamped in the second clamping groove to limit the second locking pin.

[0015] As a preferred scheme, the first connecting column and the second connecting column are respectively provided with a plurality of first connecting columns and a plurality of second connecting columns, the bottom of each first connecting column is provided with a guide hole, the top of each second connecting column is provided with a guide core matched with the guide hole, and each first connecting column and each second connecting column are sleeved through the guide hole and the guide core, so that the first connecting column can slide up and down under the guidance of the guide core, and the upper half of the air inlet pipe and the lower half of the air inlet pipe are aligned during friction welding.

[0016] As a preferred scheme, in order to facilitate the movement of the second fixing base, handles are arranged on the two sides of the second fixing base.

[0017] Compared with the prior art, the air inlet pipe friction welding tool has the advantages that:

[0018] 1. When buckling, the first pressing structure and the second pressing structure press the upper half of the air inlet pipe and the lower half of the air inlet pipe, the first abutting mechanism and the second abutting mechanism are used for abutting the two sides of the lower half of the air inlet pipe respectively, accurate positioning is realized, the upper half of the air inlet pipe and the lower half of the air inlet pipe are aligned, and the welding quality is high.

[0019] 2. The gaps arranged between the adjacent first pressing blocks and second pressing blocks can make the vibration better transmitted to the upper half of the air inlet pipe and the lower half of the air inlet pipe.

[0020] 3. The first locking mechanism and the second locking mechanism are arranged to lock the first locking mechanism and the second locking mechanism respectively, so that loosening is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a structural schematic view of the air inlet pipe friction welding tool;

[0022] Figure 2 is Figure 1 an explosion schematic view of the air inlet pipe friction welding tool;

[0023] Figure 3 is the schematic diagram of the fixed state of the lower half of the air inlet pipe;

[0024] Figure 4 is Figure 3 is the enlarged schematic diagram of part A in the middle;

[0025] Figure 5 is Figure 3 is the enlarged schematic diagram of part B in the middle;

[0026] Figure 6 is the structural schematic diagram of the first connecting column and the second connecting column.

[0027] In the figure: the first fixed seat 1; the first connecting column 11; the guide hole 111; the first compression structure 12; the first compression block 121; the first arc surface 1211; the second fixed seat 2; the second connecting column 21; the guide core 211; the second compression structure 22; the second compression block 221; the second arc surface 2211; the handle 23; the first abutting mechanism 3; the first driving device 31; the first guide rail 32; the first sliding block 33; the first clamping groove 331; the first abutting block 34; the second abutting mechanism 4; the second driving device 41; the second guide rail 42; the second sliding block 43; the second clamping groove 431; the second abutting block 44; the first locking mechanism 5; the first connecting seat 51; the first sliding groove 511; the third driving device 52; the first locking pin 53; the second locking mechanism 6; the second connecting seat 61; the second sliding groove 611; the fourth driving device 62; the second locking pin 63; the upper half of the air inlet pipe 7; the lower half of the air inlet pipe 8; the gap 9. DETAILED DESCRIPTION

[0028] The accompanying drawings are only used for illustrative description, and cannot be understood as limitation to the patent; in order to better illustrate the embodiment, some components in the drawings are omitted, enlarged or reduced, and do not represent the size of the actual product; it is understandable for those skilled in the art that some known structures and their descriptions in the drawings can be omitted. The positional relationship described in the drawings is only used for illustrative description, and cannot be understood as limitation to the patent.

[0029] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "long", "short" and the like is based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the terms describing the positional relationship in the drawings are only used for illustrative description, and cannot be understood as limitation to the patent, and for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0030] The technical solution of this utility model will be further described in detail below through specific embodiments and with reference to the accompanying drawings:

[0031] Example 1:

[0032] like Figures 1 to 3 As shown, this embodiment provides a vibration friction welding fixture for an intake pipe, including a first fixed base 1, a second fixed base 2, a first connecting column 11, and a second connecting column 21. The first connecting column 11 is fixed to the bottom of the first fixed base 1, and the second connecting column 21 is fixed to the top of the second fixed base 2. The bottom of the first connecting column 11 and the top of the second connecting column 21 are sleeved together. The bottom of the first fixed base 1 is fixed with a first clamping structure 12 adapted to the upper half 7 of the intake pipe, and the top of the second fixed base 2 is fixed with a second clamping structure 22 adapted to the lower half 8 of the intake pipe. The first fixed base 1 and the second fixed base 2 are respectively engaged by the first connecting column 11 and the second connecting column 21 so that the first clamping structure 12 and the second clamping structure 22 clamp the upper half 7 and the lower half 8 of the intake pipe together.

[0033] In this embodiment, as Figure 1 , 6 As shown, multiple first connecting posts 11 and second connecting posts 21 are provided. Each first connecting post 11 has a guide hole 111 at its bottom and each second connecting post 21 has a guide core 211 at its top that is adapted to the guide hole 111. Each first connecting post 11 and each second connecting post 21 are connected through the guide hole 111 and the guide core 211, respectively. When the first fixing seat 1 and the second fixing seat 2 are engaged, the guide hole 111 is fitted onto the guide core 211 and a certain space is left between the bottom end face of the first connecting post 11 and the top end face of the second connecting post 21, so as to leave space for the downward extrusion of the press.

[0034] Specifically, the first pressing structure 12 includes a plurality of first pressing blocks 121 fixed to the bottom of the first fixing seat 1, and the plurality of first pressing blocks 121 are sequentially arranged around the end face edge of the upper half of the air intake pipe 7. The second pressing structure 22 includes a plurality of second pressing blocks 221 fixed to the top of the second fixing seat 2, and the plurality of second pressing blocks 221 are sequentially arranged around the end face edge of the lower half of the air intake pipe 8.

[0035] In this embodiment, the first pressing block 121 and the second pressing block 221 press on the edges of the upper half 7 and the lower half 8 of the air intake pipe, respectively, without squeezing the middle part, and the middle of the end face of the upper half 7 and the lower half 8 of the air intake pipe is suspended.

[0036] Specifically, the bottom of the first pressing block 121 has a first arc surface 1211 which is adapted to the outer wall of the upper half of the air inlet pipe 7, and the top of the second pressing block 221 has a second arc surface 2211 which is adapted to the outer wall of the lower half of the air inlet pipe 8.

[0037] In this embodiment, the top of the lower half of the air inlet pipe 8 has an outwardly extending rim, and the bottom of the upper half of the air inlet pipe 7 is placed within the rim of the lower half of the air inlet pipe 8, and the vibration generator is connected to realize friction welding under high-frequency vibration.

[0038] Specifically, the first pressing block 121 and the second pressing block 221 adjacent to each other have a gap 9 therebetween.

[0039] In this embodiment, the first pressing block 121 and the second pressing block 221 are spaced apart from each other, which can better conduct vibration.

[0040] Specifically, the second fixing seat 2 is provided with a handle 23 on each side.

[0041] In this embodiment, the handle 23 can not only facilitate the identification of the first fixing seat 1 and the second fixing seat 2, but also facilitate the carrying of the first fixing seat 1 and the second fixing seat 2 after buckling.

[0042] Embodiment 2:

[0043] This embodiment is similar to Embodiment 1, except that in this embodiment, as shown in Figures 1 to 3 the top of the second fixing seat 2 is provided with a first abutting mechanism 3 and a second abutting mechanism 4 on each side, and the first abutting mechanism 3 and the second abutting mechanism 4 are used to abut the two sides of the lower half of the air inlet pipe 8.

[0044] In this embodiment, the first abutting mechanism 3 and the second abutting mechanism 4 cooperate to fix the left and right sides of the lower half of the air inlet pipe 8.

[0045] Specifically, as shown in Figure 3 the first abutting mechanism 3 includes a first driving device 31, a first guide rail 32, a first sliding block 33, and a first abutting block 34, the first guide rail 32 is installed on the second fixing seat 2, the first sliding block 33 is slidingly connected to the first guide rail 32, the first driving device 31 is installed at one end of the first guide rail 32, and the power output end of the first driving device 31 is connected to the first sliding block 33 to drive the first sliding block 33 to slide, the first abutting block 34 is fixed on the first sliding block 33, and one side of the first abutting block 34 is adapted to the structure of one side of the lower half of the air inlet pipe 8.

[0046] In the embodiment, the first driving device 31 is a telescopic cylinder, and the telescopic end of the first driving device 31 drives the first sliding block 33 to slide so that the first abutting block 34 abuts against the inclined surface on one side of the lower half of the air intake pipe 8.

[0047] Specifically, as shown in Figure 3 , the second abutting mechanism 4 comprises a second driving device 41, a second guide rail 42, a second sliding block 43, and a second abutting block 44. The second guide rail 42 is installed on the second fixed seat 2. The second sliding block 43 is slidably connected to the second guide rail 42. The second driving device 41 is installed at one end of the second guide rail 42, and the power output end of the second driving device 41 is connected to the second sliding block 43 to drive the second sliding block 43 to slide. The second abutting block 44 is fixed on the second sliding block 43, and one side of the second abutting block 44 is adapted to the structure of the pipe opening on the other side of the lower half of the air intake pipe 8.

[0048] In the embodiment, the second driving device 41 is a telescopic cylinder, the second guide rail 42 is arranged obliquely to adapt to the inclination angle of the pipe opening on the other side of the lower half of the air intake pipe 8, and in order to reduce the space occupation, the moving end of the second driving device 41 and the second sliding block 43 are not collinear. The telescopic end of the second driving device 41 is connected to the second sliding block 43 through a connecting block and drives the second sliding block 43 to slide, so that the second abutting block 44 abuts against the pipe opening on the other side of the lower half of the air intake pipe 8.

[0049] Embodiment 3:

[0050] The embodiment is similar to embodiment 2, and the difference is that, as shown in Figure 3 , 4 , the second fixed seat 2 is provided with a first locking mechanism 5 corresponding to the position of the first abutting mechanism 3. The first locking mechanism 5 comprises a first connecting seat 51, a third driving device 52, and a first locking pin 53. The first connecting seat 51 is installed on the second fixed seat 2, and a first sliding groove 511 is arranged in the first connecting seat 51. The first locking pin 53 is slidably connected in the first sliding groove 511. The third driving device 52 is installed at one end of the first connecting seat 51, and the power output end of the third driving device 52 is connected to the first locking pin 53 to drive the first locking pin 53 to extend or retract. One side of the first sliding block 33 is provided with a first clamping groove 331 matched with the first locking pin 53.

[0051] In the embodiment, the third driving device 52 is a telescopic cylinder. When the first abutting block 34 abuts against the inclined surface on one side of the lower half of the air intake pipe 8, the telescopic end of the third driving device 52 drives the first locking pin 53 to extend and be clamped in the first clamping groove 331 of the first sliding block 33, thereby limiting the movement of the first abutting block 34.

[0052] Specifically, as shown in Figure 3 、 5 The second fixed seat 2 is provided with a second locking mechanism 6 corresponding to the position of the second abutting mechanism 4, the second locking mechanism 6 comprises a second connecting seat 61, a fourth driving device 62 and a second locking pin 63, the second connecting seat 61 is installed on the second fixed seat 2, the second connecting seat 61 is provided with a second sliding groove 611, the second locking pin 63 is slidingly connected in the second sliding groove 611, the fourth driving device 62 is installed on one end of the second connecting seat 61 and the power output end of the fourth driving device 62 is connected with the second locking pin 63 to drive the second locking pin 63 to extend or retract, one side of the second sliding block 43 is provided with a second clamping groove 431 matched with the second locking pin 63.

[0053] In the embodiment, the fourth driving device 62 is a telescopic cylinder, when the second abutting block 44 abuts on the pipe opening on the other side of the lower half of the air inlet pipe 8, the telescopic end of the fourth driving device 62 drives the second locking pin 63 to extend and be clamped in the second clamping groove 431 of the second sliding block 43, thereby limiting the movement of the second abutting block 44.

[0054] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and the ordinary skilled in the art can change, modify, replace and transform the above-mentioned embodiments within the scope of the utility model.

[0055] Obviously, the above-mentioned embodiments of the utility model are only examples for clearly explaining the utility model and cannot limit the implementation mode of the utility model. For the ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above-mentioned description. Here, all the implementation modes cannot be exhausted. Any modification, equivalent replacement and improvement made within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A vibration friction welding fixture for an air intake pipe, characterized in that, The system includes a first fixed base (1), a second fixed base (2), a first connecting post (11), a second connecting post (21), a first clamping mechanism (3), and a second clamping mechanism (4). The first connecting post (11) is fixed to the bottom of the first fixed base (1), and the second connecting post (21) is fixed to the top of the second fixed base (2). The bottom of the first connecting post (11) and the top of the second connecting post (21) are fitted together. The bottom of the first fixed base (1) is fixed with a first clamping structure (12) adapted to the upper half of the air intake pipe (7), and the top of the second fixed base (2) is fixed with a... The second clamping structure (22) is adapted to the lower half of the intake pipe (8). The first fixing seat (1) and the second fixing seat (2) are respectively engaged by the first connecting post (11) and the second connecting post (21) so that the first clamping structure (12) and the second clamping structure (22) press the upper half of the intake pipe (7) and the lower half of the intake pipe (8) together. The first pressing mechanism (3) and the second pressing mechanism (4) are respectively installed on the top two sides of the second fixing seat (2). The first pressing mechanism (3) and the second pressing mechanism (4) are respectively used to press the lower half of the intake pipe (8) on both sides.

2. The intake pipe vibration friction welding fixture according to claim 1, characterized in that, The first pressing structure (12) includes a plurality of first pressing blocks (121) fixed to the bottom of the first fixing seat (1), and the plurality of first pressing blocks (121) are sequentially wrapped around the end face edge of the upper half of the air intake pipe (7). The second pressing structure (22) includes a plurality of second pressing blocks (221) fixed to the top of the second fixing seat (2), and the plurality of second pressing blocks (221) are sequentially wrapped around the end face edge of the lower half of the air intake pipe (8).

3. The intake pipe vibration friction welding fixture according to claim 2, characterized in that, There is a gap (9) between adjacent first clamping block (121) and second clamping block (221).

4. The intake pipe vibration friction welding fixture according to claim 2, characterized in that, The bottom of the first clamping block (121) has a first arc-shaped surface (1211) that is adapted to the outer wall of the upper half of the air intake pipe (7), and the top of the second clamping block (221) has a second arc-shaped surface (2211) that is adapted to the outer wall of the lower half of the air intake pipe (8).

5. The intake pipe vibration friction welding fixture according to claim 1, characterized in that, The first pressing mechanism (3) includes a first driving device (31), a first guide rail (32), a first slider (33), and a first abutting block (34). The first guide rail (32) is mounted on the second fixed seat (2). The first slider (33) is slidably connected to the first guide rail (32). The first driving device (31) is mounted on one end of the first guide rail (32), and the power output end of the first driving device (31) is connected to the first slider (33) to drive the first slider (33) to slide. The first abutting block (34) is fixed on the first slider (33), and one side of the first abutting block (34) is structurally adapted to one side of the lower half of the air intake pipe (8).

6. The intake pipe vibration friction welding fixture according to claim 1, characterized in that, The second pressing mechanism (4) includes a second driving device (41), a second guide rail (42), a second slider (43), and a second abutting block (44). The second guide rail (42) is mounted on the second fixed seat (2). The second slider (43) is slidably connected to the second guide rail (42). The second driving device (41) is mounted on one end of the second guide rail (42), and the power output end of the second driving device (41) is connected to the second slider (43) to drive the second slider (43) to slide. The second abutting block (44) is fixed on the second slider (43). One side of the second abutting block (44) is adapted to the pipe opening structure on the other side of the lower half of the air intake pipe (8).

7. The intake pipe vibration friction welding fixture according to claim 5, characterized in that, The second fixed base (2) is provided with a first locking mechanism (5) corresponding to the position of the first abutting mechanism (3). The first locking mechanism (5) includes a first connecting base (51), a third driving device (52) and a first locking pin (53). The first connecting base (51) is installed on the second fixed base (2). The first connecting base (51) is provided with a first sliding groove (511). The first locking pin (53) is slidably connected in the first sliding groove (511). The third driving device (52) is installed at one end of the first connecting base (51) and the power output end of the third driving device (52) is connected to the first locking pin (53) to drive the first locking pin (53) to extend or retract. The first slider (33) is provided with a first slot (331) that cooperates with the first locking pin (53) on one side.

8. The intake pipe vibration friction welding fixture according to claim 6, characterized in that, The second fixed base (2) is provided with a second locking mechanism (6) corresponding to the position of the second abutting mechanism (4). The second locking mechanism (6) includes a second connecting base (61), a fourth driving device (62) and a second locking pin (63). The second connecting base (61) is installed on the second fixed base (2). The second connecting base (61) is provided with a second sliding groove (611). The second locking pin (63) is slidably connected in the second sliding groove (611). The fourth driving device (62) is installed at one end of the second connecting base (61) and the power output end of the fourth driving device (62) is connected to the second locking pin (63) to drive the second locking pin (63) to extend or retract. The second slider (43) is provided with a second slot (431) on one side that cooperates with the second locking pin (63).

9. The intake pipe vibration friction welding fixture according to claim 1, characterized in that, The first connecting post (11) and the second connecting post (21) are provided in multiples. Each first connecting post (11) has a guide hole (111) at its bottom and each second connecting post (21) has a guide core (211) at its top that is adapted to the guide hole (111). Each first connecting post (11) and each second connecting post (21) are connected by the guide hole (111) and the guide core (211) respectively.

10. The intake pipe vibration friction welding fixture according to claim 1, characterized in that, The second fixing base (2) is provided with handles (23) on both sides.

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