Efficient welding device and method for built-in embedded pipe flow channel of efficient heat-conducting heat dissipation liquid cooling plate

Abstract

The invention relates to the technical field of friction stir welding, in particular to an efficient heat-conducting efficient welding device and method for a built-in embedded pipe runner of a heat dissipation liquid cooling plate, the efficient heat-conducting efficient welding device comprises a liquid cooling plate machining table top, a supporting frame is fixedly connected to the outer wall of the liquid cooling plate machining table top, and an electric sliding rail is fixedly installed on the outer wall of the supporting frame; the device has the beneficial effects that when the rotating frame rotates, a second guide pipe drives a pressing block at the end to abut against a twisted metal wire in the pushing process after abutting against the wound metal wire outside a deformation stirring welding head, the twisted metal wire is rotated, and therefore the metal wire is prevented from being twisted, and the deformation stirring welding head is prevented from being damaged. And the metal wire is broken and separated from the stirring welding head under large friction force, so that the action range and the action force for eliminating winding of the metal wire are further increased.

Description

Technical Field

[0001] The present invention relates to the technical field of friction stir welding, and particularly to a high-efficiency welding device and method for an embedded pipe flow channel in a heat-dissipating liquid-cooled plate with high thermal conductivity. Background Art

[0002] The liquid-cooled plate is an important component in the energy storage temperature control system. The liquid-cooled plate indirectly transfers the heat of the heat-generating device to the cooling liquid enclosed in the circulation pipeline through a cold plate (usually a closed cavity composed of heat-conducting metals such as copper and aluminum), and takes away the heat through the cooling liquid. During the processing of the liquid-cooled plate, a friction stir welding device is required to weld the cover plate corresponding to the flow channel of the liquid-cooled plate at the opening of the flow channel.

[0003] Friction stir welding refers to the process of locally melting the welded material by the heat generated by the friction between a high-speed rotating welding tool and the workpiece. When the welding tool moves forward along the welding interface, the plasticized material flows from the front of the welding tool to the back under the action of the rotational frictional force of the welding tool, and a dense solid-phase weld is formed under the extrusion of the welding tool. Currently, in the existing friction stir welding devices on the market, during the stirring movement of the welding head, a large amount of metal chips and metal wires are shaved off on the surface of the welded part. These metal chips and metal wires are usually in a molten state due to the heat of friction stir welding and are easily adhered to the friction stir welding head, resulting in an increase in the moving resistance of the welding head. Therefore, an efficient welding device is needed to solve this problem. Summary of the Invention

[0004] The present invention provides a high-efficiency welding device and method for an embedded pipe flow channel in a heat-dissipating liquid-cooled plate with high thermal conductivity, which has the beneficial effect of facilitating the cleaning of metal chips adhered to the welding head in all directions, and solves the problem mentioned in the above background art that during the stirring movement of the welding head, a large amount of metal chips and metal wires are shaved off on the surface of the welded part. These metal chips and metal wires are usually in a molten state due to the heat of friction stir welding and are easily adhered to the friction stir welding head, resulting in an increase in the moving resistance of the welding head. To achieve the above object, the present invention provides the following technical solution: A high-efficiency welding device and method for an embedded pipe flow channel in a heat-dissipating liquid-cooled plate with high thermal conductivity, including a liquid-cooled plate processing table, the outer wall of the liquid-cooled plate processing table is fixedly connected with a support frame, the outer wall of the support frame is fixedly installed with an electric slide rail, the outer wall of the electric slide rail is fixedly installed with a manipulator, and the moving end of the manipulator is fixedly installed with a transmission motor;

[0005] The output end of the transmission motor is fixedly connected with a rotating frame, and the outer wall of the manipulator is fixedly connected with a first fixing frame, and the rotating frame is rotatably connected to the inner wall of the first fixing frame;

[0006] A first connecting rod is rotatably connected to the inner wall of the first fixing frame. A torsion spring is sleeved on the outer wall of the first connecting rod. One end of the torsion spring is fixedly connected to the inner wall of the first fixing frame, and the other end of the torsion spring is fixedly connected to a first conduit. A second conduit for cleaning the outer wall of the stirring welding head is slidably installed in the inner wall of the first conduit.

[0007] Preferably, a spiral groove is formed in the inner wall of the first conduit. A second ball is rotatably installed on the outer wall of the second conduit, and the second ball is slidably connected to the inner wall of the spiral groove.

[0008] Preferably, a second connecting rod is slidably connected to the inner wall of the first conduit. One end of the second connecting rod is rotatably installed with a first ball. A first fixing piece is fixedly connected to the outer wall of the second connecting rod close to the first fixing frame. A first return spring is fixedly connected to the outer wall of the first fixing piece, and one end of the first return spring is fixedly connected to the end of the first conduit.

[0009] Preferably, a second fixing piece is fixedly connected to the outer wall of the second connecting rod. A second return spring is fixedly connected to the outer wall of the second fixing piece. One end of the second return spring is fixedly connected to the inner wall of the second conduit, and the second connecting rod is slidably connected to the inner wall of the second conduit.

[0010] Preferably, a tapered inclined surface is formed at the other end of the second connecting rod. A chute is formed in the inner wall of the second conduit. A third connecting rod is fixedly connected to the inner wall of the chute. Two third return springs are sleeved on the outer wall of the third connecting rod. One end of each of the two third return springs is fixed to the inner wall of the chute, and the other end of each of the two third return springs is fixedly connected to a slider.

[0011] Preferably, a contact surface is formed on the outer wall of the slider, and the outer contour of the contact surface matches the outer contour of the tapered inclined surface.

[0012] Preferably, a pressing block is fixedly connected to the outer wall of the slider. The pressing block is arranged as a quarter sphere, and a plurality of evenly distributed third balls are rotatably installed on the outer wall of the pressing block.

[0013] Preferably, a plurality of evenly distributed second convex blocks are fixedly connected to the inner wall of the rotating frame, and a first convex block is also fixedly connected to the inner wall of the rotating frame.

[0014] Preferably, a mounting seat is fixedly connected to the inner wall of the rotating frame, and the stirring welding head is installed on the outer wall of the mounting seat;

[0015] The outer wall of the processing table surface of the liquid cooling plate is fixedly connected with a plurality of second fixing frames. The inner walls of the plurality of second fixing frames are all threadedly connected with fastening bolts. One end of the fastening bolt is rotatably connected with a pressing plate for restricting the position of the liquid cooling plate body. The outer wall of the liquid cooling plate body is provided with an embedded pipe flow channel, and a flow channel cover plate is assembled on the inner wall of the embedded pipe flow channel.

[0016] The present invention further includes the following usage methods:

[0017] S1. First, it is necessary to limit the liquid cooling plate body to be processed on the surface of the liquid cooling plate body through the fastening structure to complete the position fixation of the liquid cooling plate body;

[0018] S2. At the same time, start the manipulator and the driving motor. Control the movement direction of the moving friction stir welding head through the manipulator. After the driving motor starts, drive the friction stir welding head to rotate at a high speed to perform friction stir welding on the gap between the flow channel cover plate and the embedded pipe flow channel;

[0019] S3. During the welding process, as the rotating frame rotates, the first conduit will drive the pressing block to move outward, and the movement prompts the metal wire wound outside the friction stir welding head to be moved and thrown outwards;

[0020] S4. As the rotating frame continues to rotate, the second conduit drives the pressing block at the end to contact and deform the metal wire wound outside the friction stir welding head, and then continues to push against and twist the metal wire during the continuous pushing process, so that the metal wire breaks due to the large frictional force and breaks away from the outside of the friction stir welding head;

[0021] S5. When the rotating frame continues to rotate, the left pressing block continuously moves away from the right pressing block, causing the two pressing blocks to continuously separate from each other, so that the metal wire tightened and pulled outward by the left pressing block further breaks or loosens the influence of the metal wire wound outside the friction stir welding head.

[0022] Compared with the prior art, the beneficial effects of the present invention are:

[0023] 1. In the present invention, every time the rotating frame rotates one circle, the first conduit will drive the pressing block to move outward once, prompting the metal wire wound outside the friction stir welding head to be moved and thrown outwards, ensuring continuous cleaning of the metal wire wound on the outer wall of the friction stir welding head.

[0024] 2. In the present invention, when the rotating frame rotates, the second conduit drives the pressing block at the end to tightly contact and deform the metal wire wound outside the friction stir welding head, and then continues to push against and twist the metal wire during the continuous pushing process, so that the metal wire breaks due to the large frictional force and breaks away from the outside of the friction stir welding head, further increasing the scope and force of the action of eliminating the metal wire winding.

[0025] 3. In the present invention, when the rotating frame continues to rotate, the pressing block continuously moves away from the right pressing block, causing the two pressing blocks to continuously separate from each other. As a result, the metal wire tightened outward by the left pressing block further breaks the metal wire wound around the outside of the friction stir welding head, preventing the problem of excessive winding of the metal wire that cannot be broken. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic diagram of the main structure of the present invention;

[0027] Figure 2 is a schematic diagram of the bottom view structure of the present invention;

[0028] Figure 3 is a schematic diagram of the pressing plate and its surrounding structure of the present invention;

[0029] Figure 4 is a schematic diagram of the cross-sectional structure of the pressing plate and its surrounding of the present invention;

[0030] Figure 5 is a schematic diagram of the first fixing frame and its surrounding structure of the present invention;

[0031] Figure 6 is a schematic diagram of the side cross-sectional structure of the first fixing frame and its surrounding of the present invention;

[0032] Figure 7 is a schematic diagram of the front cross-sectional structure of the first fixing frame of the present invention;

[0033] Figure 8 of the present invention Figure 7 is a schematic diagram of the partially enlarged structure;

[0034] Figure 9 of the present invention Figure 8 is a schematic diagram of the enlarged structure at A;

[0035] Figure 10 of the present invention Figure 8 is a schematic diagram of the enlarged structure at B;

[0036] Figure 11 of the present invention Figure 8 is a schematic diagram of the partially enlarged structure.

[0037] In the accompanying drawings, the list of components represented by each reference numeral is as follows: 1. Liquid-cooled plate processing table; 2. Support frame; 3. Electric slide rail; 5. Manipulator; 6. Transmission motor; 7. First fixing frame; 8. Second fixing frame; 9. Tightening bolt; 10. Pressing plate; 11. Liquid-cooled plate body; 12. Runner cover plate; 13. Embedded pipe runner; 14. Rotating frame; 15. First convex block; 16. Second convex block; 17. First connecting rod; 18. Torsion spring; 19. First conduit; 20. Mounting seat; 21. Stirring welding head; 22. First ball; 23. Second connecting rod; 24. First fixing piece; 25. First return spring; 26. Second fixing piece; 27. Second return spring; 28. Second conduit; 29. Second ball; 30. Spiral groove; 31. Tapered inclined plane; 32. Chute; 33. Third connecting rod; 34. Third return spring; 35. Slide block; 36. Contact surface; 37. Pressing block; 38. Third ball. Detailed implementation mode

[0038] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0039] In Embodiment 1, this embodiment aims to solve the problem that during the stirring movement of the welding head, a large amount of metal debris and metal wires are scraped on the surface of the welded part. These metal debris and metal wires are usually in a molten state due to the heat of friction stir welding and are easily adhered to the stirring welding head 21, resulting in an increase in the resistance of the welding head movement. Please refer to Figure 1 - Figure 11 , a high-efficiency heat-conducting liquid-cooled plate with an embedded pipe runner and a high-efficiency welding device, including a liquid-cooled plate processing table 1, the outer wall of the liquid-cooled plate processing table 1 is fixedly connected with a support frame 2, the outer wall of the support frame 2 is fixedly installed with an electric slide rail 3, the outer wall of the electric slide rail 3 is fixedly installed with a manipulator 5, and the moving end of the manipulator 5 is fixedly installed with a transmission motor 6;

[0040] The output end of the transmission motor 6 is fixedly connected with a rotating frame 14 (as shown in Figure 6 ), the outer wall of the manipulator 5 is fixedly connected with a first fixing frame 7, and the rotating frame 14 is rotatably connected to the inner wall of the first fixing frame 7;

[0041] The inner wall of the rotating frame 14 is fixedly connected with a plurality of uniformly distributed second convex blocks 16, and the inner wall of the rotating frame 14 is also fixedly connected with a first convex block 15.

[0042] The inner wall of the rotating frame 14 is fixedly connected with a mounting seat 20, and the stirring welding head 21 is installed on the outer wall of the mounting seat 20;

[0043] The outer wall of the liquid-cooled plate processing table 1 is fixedly connected with a plurality of second fixing frames 8. The inner walls of the plurality of second fixing frames 8 are all threadedly connected with fastening bolts 9. One end of the fastening bolt 9 is rotatably connected with a pressing plate 10 for restricting the position of the liquid-cooled plate main body 11. The outer wall of the liquid-cooled plate main body 11 is provided with an embedded pipe flow channel 13, and a flow channel cover plate 12 is assembled on the inner wall of the embedded pipe flow channel 13.

[0044] The inner wall of the first fixing frame 7 is rotatably connected with a first connecting rod 17. A torsion spring 18 is sleeved on the outer wall of the first connecting rod 17. One end of the torsion spring 18 is fixedly connected with the inner wall of the first fixing frame 7, and the other end of the torsion spring 18 is fixedly connected with a first conduit 19. A second conduit 28 for cleaning the outer wall of the friction stir welding head 21 is slidably installed in the inner wall of the first conduit 19.

[0045] The inner wall of the first conduit 19 is provided with a spiral groove 30. A second ball 29 is rotatably installed on the outer wall of the second conduit 28, and the second ball 29 is slidably connected to the inner wall of the spiral groove 30.

[0046] A second connecting rod 23 is slidably connected to the inner wall of the first conduit 19. Both ends of the second connecting rod 23 penetrate through the first conduit 19. One end of the second connecting rod 23 is rotatably installed with a first ball 22. A first fixing piece 24 is fixedly connected to the outer wall of the second connecting rod 23 near the first fixing frame 7. A first return spring 25 is fixedly connected to the outer wall of the first fixing piece 24, and one end of the first return spring 25 is fixedly connected to the end of the first conduit 19.

[0047] A second fixing piece 26 is fixedly connected to the outer wall of the second connecting rod 23. The second fixing piece 26 is located inside the first conduit 19. A second return spring 27 is fixedly connected to the outer wall of the second fixing piece 26, and one end of the second return spring 27 is fixedly connected to the inner wall of the second conduit 28. The second connecting rod 23 is slidably connected to the inner wall of the second conduit 28.

[0048] In this embodiment: When using this friction stir welding device, first, the liquid-cooled plate main body 11 to be processed needs to be placed on the surface of the liquid-cooled plate processing table 1, so that the four corners of the liquid-cooled plate main body 11 are at the inner walls of the four second fixing frames 8. Subsequently, the fastening bolts 9 on the second fixing frames 8 are rotated, causing the fastening bolts 9 to move downward through the threaded connection relationship. During the moving process, the pressing plate 10 is continuously moved downward until the pressing plate 10 presses the liquid-cooled plate main body 11 against the upper surface of the liquid-cooled plate processing table 1, completing the position fixation of the liquid-cooled plate main body 11 and preventing its displacement during the processing.

[0049] Subsequently, the manipulator 5 and the drive motor 6 are started. When the drive motor 6 is started, the rotating frame 14 at the output end rotates. During the rotation of the rotating frame 14, the mounting seat 20 and the friction stir welding head 21 rotate. By controlling the movement of the manipulator 5, the friction stir welding head 21 can be aligned with the gap between the embedded pipe flow channel 13 and the flow channel cover plate 12. When the high-speed rotating friction stir welding head 21 touches the gap between the embedded pipe flow channel 13 and the flow channel cover plate 12, high-speed friction causes both the flow channel cover plate 12 and the embedded pipe flow channel 13 to melt to varying degrees. When the friction stir welding head 21 moves forward along the weld seam, the plasticized part of the flow channel cover plate 12 and part of the embedded pipe flow channel 13 flow from the front of the welding tool to the rear under the rotational frictional force of the friction stir welding head 21, and a dense solid-phase weld seam is formed under the extrusion of the friction stir welding head 21, completing the friction stir welding.

[0050] During the process of the friction stir welding head 21 moving along the weld seam, it will scrape up some metal wires and wind them around the outside of the friction stir welding head 21. At this time, due to the rotation of the rotating frame 14, the first convex block 15 rotates synchronously. When the first convex block 15 rotates circumferentially, it will touch the outer wall of the first conduit 19, causing the upper part of the first conduit 19 to be stressed, prompting the first conduit 19 to drive the first connecting rod 17 to deflect clockwise along the rotational connection of the first connecting rod 17. As the first conduit 19 as a whole deflects clockwise, the lower end of the first conduit 19 will flick the metal wires wound around the outer wall of the friction stir welding head 21 in a direction away from the outside of the friction stir welding head 21, flicking some of the wound metal wires away from the outer wall of the friction stir welding head 21. And every time the rotating frame 14 rotates one circle, the first conduit 19 will flick the pressing block 37 outward once to ensure continuous cleaning of the metal wires wound around the outer wall of the friction stir welding head 21.

[0051] When the rotating frame 14 rotates, it also drives the second convex block 16 to rotate. When the multiple second convex blocks 16 rotate circumferentially, they will intermittently contact the first ball 22. After the first ball 22 is contacted, it drives the second connecting rod 23 to slide along the inner wall of the first conduit 19. During this process, the second connecting rod 23 will drive the first fixing piece 24 to move and compress the first return spring 25. The movement of the second connecting rod 23 will synchronously move the second fixing piece 26. When the second fixing piece 26 moves, it will stretch the second return spring 27. However, it should be noted that the elastic force of the second return spring 27 is relatively large. Therefore, when the second connecting rod 23 moves, it will drive the second return spring 27 and the second conduit 28 fixed at one end of the second return spring 27 to move synchronously. At this time, as the second conduit 28 slides along the inner wall of the first conduit 19, the other end of the second conduit 28 will gradually protrude outside the first conduit 19. The continuously extending second conduit 28 will drive the pressing block 37 to further push down the metal wire wound around the outer wall of the friction stir welding head 21. And because the second ball 29 rotatably installed on the outer wall of the second conduit 28 is slidably connected in the spiral groove 30, when the second conduit 28 slides outwards, under the sliding guidance of the second ball 29 in the spiral groove 30, the second conduit 28 will slide outwards while rotating. This makes the second conduit 28 drive the pressing block 37 at the end to contact and twist the metal wire after tightly contacting the wound metal wire outside the deformed friction stir welding head 21, so that the metal wire is broken and separated from the outside of the friction stir welding head 21 under greater frictional force, further increasing the scope of action and the effect of the action.

[0052] Embodiment 2 is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figure 1 - Figure 11 , a tapered inclined surface 31 is provided at the other end of the second connecting rod 23, a sliding groove 32 is provided on the inner wall of the second conduit 28, a third connecting rod 33 is fixedly connected to the inner wall of the sliding groove 32, two third return springs 34 are sleeved on the outer wall of the third connecting rod 33, one end of each of the two third return springs 34 is fixed to the inner wall of the sliding groove 32, and the other end of each of the two third return springs 34 is fixedly connected to a slider 35.

[0053] A contact surface 36 is provided on the outer wall of the slider 35, and the outer contour of the contact surface 36 matches the outer contour of the tapered inclined surface 31.

[0054] A pressing block 37 is fixedly connected to the outer wall of the slider 35. The pressing block 37 is set to be a quarter sphere, and a plurality of evenly distributed third balls 38 are rotatably installed on the outer wall of the pressing block 37.

[0055] In this embodiment: When the second connecting rod 23 continues to extend with the second conduit 28 and the pressing block 37 until the third ball 38 on the outer wall of the pressing block 37 abuts against the outer wall of the friction stir welding head 21, the multiple third balls 38 can reduce the frictional force when contacting the outer wall of the high-speed rotating friction stir welding head 21. At this time, the second conduit 28 cannot continue to extend. Therefore, the second connecting rod 23 that continues to move will stretch the second return spring 27 with a greater elastic force with the second fixing piece 26, prompting the second connecting rod 23 to slide deeper into the second conduit 28 when the second conduit 28 is stationary. This causes the tapered inclined surface 31 at the end of the second connecting rod 23 to abut against the abutting surface 36 on the outer walls of the two sliders 35. The abutment causes the two sliders 35 to be stressed in opposite directions. At this time, the right slider 35 has abutted against the outer wall of the friction stir welding head 21 and cannot move. Therefore, with the abutment of the tapered inclined surface 31, the left slider 35 is prompted to slide along the guide of the third connecting rod 33, and continuously compresses the third return spring 34 during the sliding process. The movement of the slider 35 drives the corresponding pressing block 37 to move synchronously. At this time, the left pressing block 37 continuously moves away from the right pressing block 37, causing the pressing block 37 to tighten the metal wire pulled outward on the outside, further breaking the metal wire wound around the outside of the friction stir welding head 21, and preventing the problem that the metal wire cannot be broken due to excessive winding on the basis of Embodiment 1.

[0056] The following usage method is also disclosed in this embodiment:

[0057] S1. First, the liquid cooling plate body 11 to be processed needs to be limited on the surface of the liquid cooling plate body 11 through the fastening structure to complete the position fixation of the liquid cooling plate body 11.

[0058] S2. At the same time, start the manipulator 5 and the drive motor 6. Control the movement direction of the moving friction stir welding head 21 through the manipulator 5. After the drive motor 6 is started, it drives the friction stir welding head 21 to rotate at a high speed, so as to perform friction stir welding on the gap between the runner cover plate 12 and the embedded pipe runner 13.

[0059] S3. During the welding process, as the rotating frame 14 rotates, the first conduit 19 will drive the pressing block 37 to push outward, and the pushing causes the metal wire wound around the outside of the friction stir welding head to be pushed outward and thrown out.

[0060] S4. As the rotating frame 14 continues to rotate, after the second conduit 28 drives the pressing block 37 at the end to abut and deform the metal wire wound outside the friction stir welding head 21, during the continuous pushing process, the metal wire is abutted and twisted, so that the metal wire breaks and separates from the outside of the friction stir welding head 21 under a large frictional force.

[0061] S5. When the rotating frame 14 continues to rotate, the left pressing block 37 continuously moves away from the right pressing block 37, causing the two pressing blocks 37 to continuously separate from each other, and the wire tightened and pulled outward by the left pressing block 37 further breaks or loosens the wire wound around the outside of the friction stir welding head 21.

[0062] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or elements inherent to such process, method, article or device.

[0063] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An efficient welding device for the built-in embedded tube flow channel of a heat-dissipating liquid-cooled plate with high thermal conductivity, comprising a processing table surface (1) of the liquid-cooled plate, characterized in that: The outer wall of the processing table surface (1) of the liquid cooling plate is fixedly connected with a support frame (2). An electric slide rail (3) is fixedly installed on the outer wall of the support frame (2). A manipulator (5) is fixedly installed on the outer wall of the electric slide rail (3). A transmission motor (6) is fixedly installed at the moving end of the manipulator (5). The output end of the transmission motor (6) is fixedly connected with a rotating frame (14). A first fixed frame (7) is fixedly connected to the outer wall of the manipulator (5). The rotating frame (14) is rotatably connected to the inner wall of the first fixed frame (7). A first connecting rod (17) is rotatably connected to the inner wall of the first fixed frame (7). A torsion spring (18) is sleeved on the outer wall of the first connecting rod (17). One end of the torsion spring (18) is fixedly connected to the inner wall of the first fixed frame (7). The other end of the torsion spring (18) is fixedly connected to a first conduit (19). A second conduit (28) for cleaning the outer wall of the stirring welding head (21) is slidably installed in the inner wall of the first conduit (19).

2. The high-efficiency welding device for the built-in embedded tube flow channel of a heat dissipation liquid cooling plate with high thermal conductivity according to claim 1, characterized in that: A spiral groove (30) is formed in the inner wall of the first conduit (19). A second ball (29) is rotatably installed on the outer wall of the second conduit (28). The second ball (29) is slidably connected to the inner wall of the spiral groove (30).

3. An efficient welding device for the built-in embedded tube flow channel of a heat dissipation liquid cooling plate with high thermal conductivity, characterized in that: A second connecting rod (23) is slidably connected to the inner wall of the first conduit (19). A first ball (22) is rotatably installed at one end of the second connecting rod (23). A first fixing piece (24) is fixedly connected to the outer wall of the second connecting rod (23) near the first fixed frame (7). A first return spring (25) is fixedly connected to the outer wall of the first fixing piece (24). One end of the first return spring (25) is fixedly connected to the end of the first conduit (19).

4. An efficient welding device for an embedded pipe flow channel in a heat dissipation liquid cooling plate with high thermal conductivity, as claimed in claim 3, wherein: A second fixing piece (26) is fixedly connected to the outer wall of the second connecting rod (23). A second return spring (27) is fixedly connected to the outer wall of the second fixing piece (26). One end of the second return spring (27) is fixedly connected to the inner wall of the second conduit (28). The second connecting rod (23) is slidably connected to the inner wall of the second conduit (28).

5. An efficient welding device for an embedded pipe flow channel in a heat dissipation liquid cooling plate with high thermal conductivity according to claim 4, characterized in that: A tapered inclined surface (31) is formed at the other end of the second connecting rod (23). A chute (32) is formed in the inner wall of the second conduit (28). A third connecting rod (33) is fixedly connected to the inner wall of the chute (32). Two third return springs (34) are sleeved on the outer wall of the third connecting rod (33). One end of each of the two third return springs (34) is fixedly connected to the inner wall of the chute (32). The other end of each of the two third return springs (34) is fixedly connected to a slider (35).

6. An efficient welding device for an embedded pipe flow channel in a heat-dissipating liquid-cooled plate with high thermal conductivity, as claimed in claim 5, characterized in that: A contact surface (36) is formed on the outer wall of the slider (35). The outer contour of the contact surface (36) matches the outer contour of the tapered inclined surface (31).

7. An efficient welding device for an embedded pipe flow channel in a heat dissipation liquid cooling plate with high thermal conductivity, as claimed in claim 6, characterized in that: A pressing block (37) is fixedly connected to the outer wall of the slider (35). The pressing block (37) is arranged as a quarter sphere. A plurality of uniformly distributed third balls (38) are rotatably installed on the outer wall of the pressing block (37).

8. An efficient welding device for an embedded pipe flow channel in a heat dissipation liquid cooling plate with high thermal conductivity, as described in claim 1, wherein: A plurality of evenly distributed second convex blocks (16) are fixedly connected to the inner wall of the rotating frame (14), and a first convex block (15) is also fixedly connected to the inner wall of the rotating frame (14).

9. An efficient welding device for an embedded pipe flow channel in a heat dissipation liquid cooling plate with high thermal conductivity, as described in claim 8, characterized in that: The inner wall of the rotating frame (14) is fixedly connected with a mounting seat (20), and the stirring welding head (21) is mounted on the outer wall of the mounting seat (20); The outer wall of the liquid cooling plate processing table (1) is fixedly connected to a plurality of second fixing frames (8), the inner walls of the plurality of second fixing frames (8) are all threadedly connected to fastening bolts (9), one end of the fastening bolts (9) is rotatably connected to a pressing plate (10) for limiting the position of the liquid cooling plate body (11), the outer wall of the liquid cooling plate body (11) is provided with an embedded pipe flow channel (13), and the inner wall of the embedded pipe flow channel (13) is equipped with a flow channel cover plate (12).

10. An efficient welding device for an embedded pipe flow channel in a heat dissipation liquid cold plate with high thermal conductivity according to any one of claims 1-9, characterized in that, Also includes the following methods: S1. First, the liquid cooling plate body (11) to be processed needs to be limited on the surface of the liquid cooling plate body (11) by a fastening structure, so as to complete the position fixation of the liquid cooling plate body (11); S2, starting the manipulator (5) and the transmission motor (6) at the same time, and controlling the direction of the moving stirring welding head (21) by the manipulator (5), and after the transmission motor (6) is started, the stirring welding head (21) is driven to rotate at a high speed, so as to stir friction welding the gap between the flow channel cover plate (12) and the embedded pipe flow channel (13); S3. During the welding process, as the rotating frame (14) rotates, the first guide tube (19) will move outward with the pressing block (37), causing the metal wire wrapped around the outside of the stirring welding joint to be pushed outward and thrown out; S4, as the rotating frame (14) continues to rotate, the second guide tube (28) with the pressing block (37) at the end thereof contacts the wound metal wire outside the deformation stirring welding head (21), and then contacts the twisted metal wire in the process of continuing to push, so that the metal wire is subjected to a large friction force and breaks off from the stirring welding head (21); S5. When the rotating frame (14) continues to rotate, the left pressing block (37) continuously moves away from the right pressing block (37), so that the two pressing blocks (37) continue to separate from each other, causing the left pressing block (37) to tighten and pull the metal wire outward, further breaking or loosening the effect of the wound metal wire outside the stirring welding head (21).

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