Manufacturing method of radiator

Abstract

The invention relates to the technical field of radiator production, and discloses a radiator manufacturing method which comprises the following steps: S1, preparing parts; performing full inspection and tin plating on the heat conducting plate and the fins; s2, placing the heat conducting plate on a welding jig; the second connecting part is clamped on the mounting seat, and then the first heat conduction pipe is subjected to full inspection and is mounted at a specified position; s3, the first connecting part is connected to the supporting plate in a clamped mode, and full inspection and position installation are conducted on the aluminum strip; then the fins are installed on the supporting plate; s4, performing full inspection on the second heat conduction pipe and the bracket, and mounting the second heat conduction pipe and the bracket to designated positions; then the rest heat conducting plates are mounted on the mounting seats; s5, all locking screws are fastened, so that the heat conducting plate is locked on the mounting base; then the top cover is locked and attached to the supporting plate; s6, the welding jig is conveyed into an oven, and after baking is completed, the welding jig is taken out and cooled; and S7, the cooled welding jigs are sequentially disassembled, and a finished product of the radiator is taken out. And finally, detecting the sample.

Description

Technical Field

[0001] The invention relates to the technical field of radiator production, and in particular to a method for manufacturing a radiator. Background Art

[0002] With the advancement of technology, the size of electronic devices is shrinking day by day, and the heat generated per unit volume is increasing significantly, which puts higher requirements on heat dissipation. Radiators have become a necessary accessory for some electronic products. Most commonly used radiators include a radiator body and multiple sets of heat conducting plates, among which the heat conducting plates outside the radiator body are connected by heat conducting pipes.

[0003] At present, the production of radiators is generally carried out by positioning welding through welding jigs. The radiator body is placed on the bottom plate of the jig and fixed to the bottom plate through the top cover. Then, multiple fixing blocks are installed on the bottom plate to fix the first heat conducting plate, the second heat conducting plate and the third heat conducting plate. The specific positions of the multiple fixing blocks are set according to actual conditions. Then, the heat pipes are assembled on the heat conducting plates and the radiator body and their positions are fixed to complete the fixation of the various components of the radiator. Finally, the welding jig is placed in the welding furnace to obtain the finished radiator. However, in the above-mentioned welding jig, the bottom plate and the fixing blocks are locked by a large number of screws. After the radiator is welded, the staff needs to disassemble the jig in strict order and steps. This process is time-consuming and labor-intensive, which reduces the production efficiency of special-shaped radiators.

[0004] Therefore, a method for manufacturing a heat sink is urgently needed to solve the above problems. Summary of the invention

[0005] Based on the above, the object of the present invention is to provide a method for manufacturing a heat sink to solve the problem that the existing welding jig needs to be disassembled according to strict sequence and steps, which is time-consuming and laborious.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A method for manufacturing a radiator comprises the following steps:

[0008] S1. Prepare the structures of the radiator; fully inspect multiple sets of heat conducting plates and multiple sets of fins, and tin the heat conducting plates and fins;

[0009] S2, placing the tinned heat conducting plate on the side wall of the mounting seat of the welding fixture; clamping the second connecting component on the mounting seat, and then fully inspecting the multiple groups of first heat conducting tubes, and installing one end of the multiple groups of first heat conducting tubes on the designated position of the heat conducting plate, and the other end on the support plate of the welding fixture;

[0010] S3, clamp the first connecting component to one side of the support plate, and perform a full inspection of the aluminum strips, one group is installed on the support plate of the welding fixture, and the other group is installed between the first connecting component and the support plate; then install multiple groups of tinned fins on the support plate;

[0011] S4, fully inspect multiple sets of second heat conducting pipes, and install one end of the multiple sets of second heat conducting pipes to the designated position of the heat conducting plate, and the other end is installed in the fin; then fully inspect multiple sets of brackets, and install them on the top of the fin and fix them on the limit blocks of the support plate; then install the remaining heat conducting plates on the mounting base;

[0012] S5. Tighten the plurality of heat conducting plates stably on the mounting base by respectively tightening the locking screws on the first fixing member, the second fixing member and the third fixing member; then lock the top cover on the support plate to complete the locking of the welding fixture;

[0013] S6, sending the locked welding fixture into the oven, taking out the welding fixture after baking and cooling it down;

[0014] S7. After the temperature has been reduced, the welding jig first removes the top cover from the support plate, and then loosens the first fixing component, the second fixing component and the third fixing component one by one, and then takes out the first connecting component, and then the finished radiator and the second connecting component can be taken out from the welding jig together, and then the second connecting component is removed, thereby realizing the rapid disassembly of the welding jig; finally, the finished radiator is inspected.

[0015] As a preferred solution for a heat sink manufacturing method, in S1, when inspecting multiple sets of heat conducting plates and multiple sets of fins, it is necessary to check whether they have any defects such as deformation, oil stains, scratches, burrs, missing pieces, etc. If there are oil stains or dirt, they can be wiped clean with alcohol or white spirit, and if there are burrs, they can be removed with a blade; after the inspection, the heat conducting plates and fins are respectively placed in a tinning jig and coated back and forth on the stencil with a scraper 1-2 times to ensure that the solder paste on the heat conducting plates and fins is evenly coated.

[0016] As a preferred solution for a heat sink manufacturing method, a tinning machine is debugged and the air pressure is set at 0.6-0.8MPa; all holes on the heat conducting plate are tinned by the needle of the tinning machine, and it is ensured that all holes are tinned and no tin breakage occurs.

[0017] As a preferred solution for the manufacturing method of a radiator, in S2, when inspecting multiple groups of first heat pipes, it is necessary to check whether they have defects such as deformation, oil stains, scratches, burrs, missing pieces, etc.; good products are placed on the table to be assembled, and defective products are placed in a defective product box for processing. If there are oil stains, they can be wiped clean with alcohol or white spirit, and if there are burrs, they can be removed with a blade.

[0018] As a preferred solution for a method for manufacturing a heat sink, in S3, the aluminum bars are divided into two groups, namely, a first aluminum bar and a second aluminum bar; when inspecting the first aluminum bar and the second aluminum bar, it is necessary to check whether they have any defects such as deformation, oil stains, dirt, scratches, burrs, and missing pieces; if there are any oil stains, they can be wiped clean with alcohol or white spirit, and if there are any burrs, they can be removed with a blade; the first aluminum bar is installed on the support plate of the welding jig, and the second aluminum bar is installed between the first connecting component and the support plate, and the stamping surfaces of the first aluminum bar and the second aluminum bar are both placed facing upwards.

[0019] As a preferred solution for the manufacturing method of a radiator, in S4, when inspecting multiple groups of second heat pipes and brackets, it is necessary to check whether they have defects such as deformation, oil stains, scratches, burrs, missing pieces, etc.; good products are placed on the desktop for assembly, and defective products are placed in a defective product box for processing. If there are oil stains, they can be wiped clean with alcohol or white spirit, and if there are burrs, they can be removed with a blade.

[0020] As a preferred solution of a method for manufacturing a heat sink, in S5, the locking screws on the first fixing component, the second fixing component and the third fixing component are tightened by an electric screwdriver, so that the first fixing component, the second fixing component and the third fixing component fix the first heat conducting plate, the second heat conducting plate and the third heat conducting plate on the mounting base one by one; and the torque value of the electric screwdriver is set at 4.5-5.5Kgf.cm.

[0021] As a preferred solution for the manufacturing method of a radiator, after the first heat conducting plate, the second heat conducting plate and the third heat conducting plate are locked, the tinning machine is debugged and the air pressure is set at 0.6-0.8MPa; all holes on the fins are tinned by the needle of the tinning machine, and more solder paste is applied to the last group of fins, and it is ensured that all holes are tinned and the tin is not broken.

[0022] As a preferred solution for a heat sink manufacturing method, in S6, the oven is set to seven or ten temperature zones, the peak temperature of the oven is set at 160-180°C, and the time when the oven temperature exceeds 138°C must be 60-200s; before passing the oven, it is necessary to visually check whether there is a gap between the fins and the aluminum plate. If there is, return to the previous workstation for repair.

[0023] As a preferred solution for a heat sink manufacturing method, in S7, the bottom plate of the disassembled welding fixture needs to be checked for rosin adherence, and if so, it is wiped clean with a rag dipped in alcohol; the taken-out finished heat sink needs to be wiped clean with a rag dipped in alcohol to ensure that there is no rosin on the surface of the finished heat sink, and the finished heat sink is visually inspected, and if there is no problem, a label is affixed and thermal paste is applied to the heat conducting plate; finally, the finished heat sink is inspected in turn by a full inspection machine and an inspection fixture to confirm whether it is qualified, and the qualified finished heat sinks are packaged.

[0024] The beneficial effects of the present invention are:

[0025] Through steps S1 to S5, the various components of the radiator are assembled onto the welding jig, and there are clear positioning and connection methods during assembly, ensuring the accuracy and stability of the assembly, and also laying a good foundation for subsequent disassembly. At the same time, the disassembly process is optimized through the disassembly step of S7, the top cover is removed from the support plate, and then the first fixing component, the second fixing component and the third fixing component are loosened one by one, and then the first connecting component is taken out. At this time, the finished radiator and the second connecting component are taken out of the welding jig, and the second connecting component is removed, thereby simplifying the disassembly process, reducing the complexity and time required for disassembly, and improving overall production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 A schematic flow chart of a method for manufacturing a radiator provided by the present invention;

[0027] Figure 2 A schematic diagram of the process of step 1 provided by the present invention;

[0028] Figure 3 A schematic diagram of the process of step 5 provided by the present invention;

[0029] Figure 4 is a schematic diagram of the overall structure of the radiator;

[0030] Figure 5 This is a schematic diagram of the overall structure of the welding fixture.

[0031] Among them, the reference numerals in the figure are:

[0032] 10. Base plate; 11. Mounting seat; 21. First fixing component; 22. Second fixing component; 23. Third fixing component; 30. Support plate; 31. First connecting component; 32. Second connecting component; 33. Limiting block; 40. Top cover; 50. Radiator body; 52. First heat conducting plate; 53. Second heat conducting plate; 54. Third heat conducting plate; 55. First aluminum bar; 56. Second aluminum bar; 57. Bracket; 58. First heat conducting pipe; 59. Second heat conducting pipe. DETAILED DESCRIPTION

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0034] In the description of the present invention, unless otherwise clearly specified and limited, the terms "connected", "connected", and "fixed" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0036] In the description of this embodiment, terms such as "up", "down", "left", and "right" and other orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience of description and simplification of operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0037] In the description of the present invention, unless otherwise specified, the meaning of "plurality" is two or more than two. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0038] In one embodiment of the present invention, Figure 1-5 As shown, a method for manufacturing a heat sink is provided, which is used to combine various structures of the heat sink in a welding fixture, and then form a heat sink after welding in a furnace.

[0039] like Figure 4 As shown, the radiator consists of a radiator body 50 and three groups of heat conducting plates, wherein the three groups of heat conducting plates are respectively a first heat conducting plate 52, a second heat conducting plate 53 and a third heat conducting plate 54, and the radiator body 50 is respectively connected to the first heat conducting plate 52, the second heat conducting plate 53 and the third heat conducting plate 54 through heat conducting pipes, wherein the radiator body 50 is composed of a plurality of groups of fins, and the bottom end of the radiator body 50 is connected to two groups of aluminum bars distributed left and right, and the top end of the radiator body 50 is connected to two groups of brackets 57 distributed front and back.

[0040] like Figure 5As shown, the welding fixture includes a base plate 10, a fixing assembly, a support plate 30 and a top cover 40. A mounting seat 11 for placing a heat conducting plate is provided in the center of the base plate 10. The fixing assembly is arranged on the outside of the mounting seat 11, and is used to press the heat conducting plate onto the mounting seat 11. The support plate 30 is arranged on the base plate 10 and is located above the heat conducting plate, and is used to prevent the radiator body 50. A detachable first connecting part 31 is provided on one side of the support plate 30. A detachably connected second connecting part 32 is provided on the mounting seat 11, and is located on one side of the first connecting part 31. The first connecting part 31 and the second connecting part 32 are used to fix the bottom end of the radiator body 50. The top cover 40 is detachably connected to the support plate 30, and is used to fix the radiator body 50 on the support plate 30. Among them, the mounting seat 11 is provided with a first side surface, a second side surface and a third side surface. The first side surface, the second side surface and the third side surface are all provided with a fixing portion protruding outward. The fixing assembly includes a first fixing part 21, a second fixing part 22 and a third fixing part 23. The first fixing member 21 is disposed on the first side surface. The second fixing member 22 is disposed on the second side surface. The third fixing member 23 is disposed on the third side surface.

[0041] like Figure 1-3 As shown, the manufacturing method of the heat sink of the present invention comprises the following steps:

[0042] S1. Prepare the various structures of the radiator, such as heat conduction plates, fins, heat conduction pipes, aluminum strips, etc. Perform a full inspection on multiple sets of heat conduction plates and multiple sets of fins. During the inspection, check whether they are deformed, dirty with oil stains, scratches, burrs, missing pieces, etc. If there are oil stains, wipe them clean with alcohol or white spirit. If there are burrs, remove them with a blade. If they are defective, place them in a defective box. By fully inspecting the heat conduction plates and fins, ensure the quality of the heat conduction plates and fins, so as to ensure the production quality of the finished radiator.

[0043] After inspection, the heat conducting plate and fins need to be tinned. Put the heat conducting plate and fins into the tinning fixture respectively, place the corresponding stencil on the surface of the heat conducting plate and fins, and then use a scraper to apply the stencil back and forth 1-2 times, so that the solder paste on the heat conducting plate and fins is evenly coated, which lays a solid foundation for subsequent tinning and welding, and improves the production quality of the finished radiator.

[0044] After the solder paste is applied, debug the soldering machine and set the air pressure at 0.6-0.8MPa. Use the needle of the soldering machine to solder all the holes on the heat conducting plate, and ensure that all holes are soldered without any broken solder. The soldering on the heat conducting plate should be smooth, and the solder paste should be 3-5mm away from the edge of the heat conducting plate, which lays a solid foundation for subsequent welding and improves the production quality of the finished radiator.

[0045] S2. Place the tinned heat conducting plate on the side wall of the mounting seat 11 of the welding jig, that is, the second heat conducting plate 53 and the third heat conducting plate 54 are placed on the second side and the third side respectively. The second connecting component 32 is clamped on the mounting seat 11, and then the multiple groups of first heat conducting tubes 58 are fully inspected, that is, the first heat conducting tubes 58 are two groups of heat pipes at the bottom of the fins, and one end of the multiple groups of first heat conducting tubes 58 is installed to the designated position of the heat conducting plate, and the other end is installed on the support plate 30 of the welding jig. Among them, when inspecting the multiple groups of first heat conducting tubes 58, it is necessary to check whether they are deformed, dirty with oil stains, scratches, burrs, missing pieces and other defects. If there are oil stains and dirt, wipe them clean with alcohol or white oil, and if there are burrs, they can be removed with a blade. The defective products are placed in the defective product box for processing. By fully inspecting the first heat conducting tube 58, the quality of the first heat conducting tube 58 is ensured to ensure the production quality of the finished radiator.

[0046] S3. Clamp the first connecting part 31 to one side of the support plate 30, and conduct a full inspection of the aluminum strips. During the inspection, check whether there are any defects such as deformation, oil stains, scratches, burrs, and missing pieces. If there are oil stains, wipe them clean with alcohol or white spirit. If there are burrs, remove them with a blade. If they are defective, place them in a defective box. One group of aluminum strips is installed on the support plate 30 of the welding fixture, and the other group is installed between the first connecting part 31 and the support plate 30. Then install multiple groups of tinned fins on the support plate 30.

[0047] In this embodiment, the aluminum bars are in two groups, namely, the first aluminum bar 55 and the second aluminum bar 56. The first aluminum bar 55 is installed on the support plate 30 of the welding jig, and the second aluminum bar 56 is installed between the first connecting member 31 and the support plate 30, and the stamping surfaces of the first aluminum bar 55 and the second aluminum bar 56 are both placed upward. The quality of the aluminum bars is ensured by fully inspecting the aluminum bars, so as to ensure the production quality of the finished radiator.

[0048] The first connecting component 31 is a fixing block detachably connected to the support plate 30 . The first connecting component 31 is provided to facilitate quick positioning and installation of the second aluminum strip 56 , and also to facilitate disassembly of the jig after welding.

[0049] S4. Fully inspect multiple sets of second heat pipes 59, i.e., the second heat pipes 59 are heat pipes connecting the middle of the fins and the heat conducting plate, and install one end of the multiple sets of second heat pipes 59 to the designated position of the heat conducting plate, and the other end is installed in the fins. Fully inspect multiple sets of brackets 57, and install them on the top of the fins and fix them on the limit blocks 33 of the support plate 30. Then install the remaining heat conducting plates on the mounting seat 11.

[0050] When inspecting multiple sets of second heat pipes 59 and brackets 57, it is necessary to check whether they are deformed, dirty with oil, scratched, burred, missing pieces, etc. If there are oil stains, they can be wiped clean with alcohol or white spirit, and if there are burrs, they can be removed with a blade. If defective products are placed in a defective box. By fully inspecting the second heat pipes 59 and brackets 57, the quality of the second heat pipes 59 and brackets 57 is ensured, so as to ensure the production quality of the finished radiator.

[0051] S5. Tighten the first fixing member 21, the second fixing member 22 and the third fixing member 23 respectively, so that the multiple sets of heat conducting plates are stably locked on the mounting seat 11. Then, the top cover 40 is locked on the support plate 30, thereby completing the locking of the welding fixture.

[0052] In this embodiment, the first fixing part 21, the second fixing part 22 and the third fixing part 23 all include a fixing block and a pressing plate, and a plurality of sets of locking screws are provided on the fixing block. The pressing plate is located outside the first heat conducting plate 52, the second heat conducting plate 53 or the third heat conducting plate 54. By tightening the locking screws, one end of the locking screws abuts against the outside of the pressing plate, and then the first heat conducting plate 52, the second heat conducting plate 53 or the third heat conducting plate 54 is fixed to the side wall of the mounting seat 11 through the pressing plate. When the heat conducting plate is fixed, the locking screws on the first fixing part 21, the second fixing part 22 and the third fixing part 23 are tightened by an electric screwdriver, so that the pressing plates on the first fixing part 21, the second fixing part 22 and the third fixing part 23 fix the first heat conducting plate 52, the second heat conducting plate 53 and the third heat conducting plate 54 one by one to the mounting seat 11. And the torque value of the electric screwdriver is set at 4.5-5.5Kgf.cm. The heat conducting plate can be quickly fixed on the mounting seat 11 by fastening the locking screws of the first fixing member 21 , the second fixing member 22 and the third fixing member 23 , thereby simplifying the fixing steps of the heat conducting plate and facilitating the quick disassembly of the heat conducting plate.

[0053] After the first heat conducting plate 52, the second heat conducting plate 53 and the third heat conducting plate 54 are locked, the soldering machine is debugged and the air pressure is set at 0.6-0.8MPa. All holes on the fins are soldered with the needle of the soldering machine, and more solder paste is needed on the last group of fins, and it is ensured that all holes are soldered and no tin breakage occurs. By adding more solder paste to the last group of fins, the last group of fins is prevented from being soldered in place, thereby improving the production quality of the finished radiator.

[0054] S6. Before passing through the furnace, check visually whether there is any gap between the fin and the aluminum plate. If there is, return to the previous station for repair. Then send the locked welding fixture to the oven, where the oven is set to seven or ten temperature zones, the peak temperature of the oven is set at 160-180℃, and the time when the oven temperature exceeds 138℃ needs to be 60-200s. After baking, take out the welding fixture and cool it down. The choice of oven temperature zone can be selected according to the actual production situation, as long as it can meet the production needs.

[0055] S7. After the temperature is reduced, the top cover 40 is first disassembled from the support plate 30 by the welding jig, and then the first fixing part 21, the second fixing part 22 and the third fixing part 23 are loosened one by one, and then the first connecting part 31 is taken out, and the finished radiator and the second connecting part 32 are taken out from the welding jig together, and then the second connecting part 32 is removed, so as to realize the rapid disassembly of the welding jig. Through the design of the above disassembly steps, the disassembly steps of the welding jig are simplified, and there is no need to disassemble according to strict steps, which reduces the disassembly time and improves the production efficiency of the finished radiator.

[0056] The bottom plate 10 of the disassembled welding jig needs to be checked for any rosin sticking to it. If there is any, wipe it clean with a rag dipped in alcohol. Cleaning the disassembled welding jig bottom plate 10 avoids the influence of rosin and other residues on subsequent processing. The taken out finished radiator needs to be wiped clean with a rag dipped in alcohol to ensure that there is no rosin on the surface of the finished radiator, thereby ensuring the cleanliness of the product. The finished radiator is then inspected for appearance. If there is no problem, a label is affixed and thermal paste is applied to the heat conducting plate. Finally, the finished radiator is inspected in turn by a full inspection machine and a testing jig to confirm whether it is qualified, thereby ensuring the production quality of the finished radiator, and the qualified finished radiators are packaged to facilitate the subsequent shipment of the finished radiators.

[0057] Through steps S1 to S5, the various components of the radiator are assembled onto the welding jig, and there are clear positioning and connection methods during assembly, which ensures the accuracy and stability of the assembly and lays a good foundation for subsequent disassembly. At the same time, the disassembly process is optimized through the disassembly step of S7, and the top cover 40 is removed from the support plate 30. Subsequently, the first fixing component 21, the second fixing component 22 and the third fixing component 23 are loosened one by one, and then the first connecting component 31 is taken out. At this time, the finished radiator and the second connecting component 32 are taken out from the welding jig, and the second connecting component 32 is removed, thereby simplifying the disassembly process, reducing the complexity and time required for disassembly, and improving the overall production efficiency.

[0058] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention is disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technician familiar with the profession can make some changes or modifications to equivalent embodiments of equivalent changes by using the technical contents disclosed above without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent changes and modifications made to the above embodiments according to the technology of the present invention are within the scope of the technical solution of the present invention without departing from the content of the technical solution of the present invention.

Claims

1. A method for manufacturing a heat sink, characterized in that: The following steps are involved: S1. Prepare the structures of the radiator; fully inspect multiple sets of heat conducting plates and multiple sets of fins, and tin the heat conducting plates and fins; S2, placing the tinned heat conducting plate on the side wall of the mounting seat of the welding fixture; clamping the second connecting component on the mounting seat, and then fully inspecting the multiple groups of first heat conducting tubes, and installing one end of the multiple groups of first heat conducting tubes on the designated position of the heat conducting plate, and the other end on the support plate of the welding fixture; S3, clamp the first connecting component to one side of the support plate, and perform a full inspection of the aluminum strips, one group is installed on the support plate of the welding fixture, and the other group is installed between the first connecting component and the support plate; then install multiple groups of tinned fins on the support plate; S4, fully inspect multiple sets of second heat conducting pipes, and install one end of the multiple sets of second heat conducting pipes to the designated position of the heat conducting plate, and the other end is installed in the fin; then fully inspect multiple sets of brackets, and install them on the top of the fin and fix them on the limit blocks of the support plate; then install the remaining heat conducting plates on the mounting base; S5. Tighten the plurality of heat conducting plates stably on the mounting base by respectively tightening the locking screws on the first fixing member, the second fixing member and the third fixing member; then lock the top cover on the support plate to complete the locking of the welding fixture; S6, sending the locked welding fixture into the oven, taking out the welding fixture after baking and cooling it down; S7. After the temperature has been reduced, the welding jig first removes the top cover from the support plate, and then loosens the first fixing component, the second fixing component and the third fixing component one by one, and then takes out the first connecting component, and then the finished radiator and the second connecting component can be taken out from the welding jig together, and then the second connecting component is removed, thereby realizing the rapid disassembly of the welding jig; finally, the finished radiator is inspected.

2. The method for manufacturing a heat sink according to claim 1, characterized in that: In S1, when inspecting multiple sets of heat conducting plates and fins, check whether they have any defects such as deformation, oil stains, scratches, burrs, missing pieces, etc. If there are oil stains, wipe them clean with alcohol or white spirit, and if there are burrs, remove them with a blade; after inspection, put the heat conducting plates and fins into the tinning fixture respectively, and use a scraper to apply the solder paste back and forth on the stencil 1-2 times to ensure that the solder paste on the heat conducting plates and fins is evenly coated.

3. The method for manufacturing a heat sink according to claim 2, characterized in that: Debug the tinning machine and set the air pressure at 0.6-0.8MPa; use the needle of the tinning machine to tin all the holes on the heat conduction plate, and ensure that all the holes are tinned without any broken tin.

4. The method for manufacturing a heat sink according to claim 1, characterized in that: In S2, when inspecting multiple groups of first heat conduction tubes, it is necessary to check whether they have defects such as deformation, oil stains, scratches, burrs, missing pieces, etc.; good products are placed on the table for assembly, while defective products are placed in a defective product box for processing. If there are oil stains, they can be wiped clean with alcohol or white spirit, and if there are burrs, they can be removed with a blade.

5. The method for manufacturing a heat sink according to claim 1, characterized in that: In S3, the aluminum bars are divided into two groups, namely the first aluminum bar and the second aluminum bar; when inspecting the first aluminum bar and the second aluminum bar, it is necessary to check whether they have any defects such as deformation, oil stains, scratches, burrs, and missing pieces; if there are oil stains, they can be wiped clean with alcohol or white spirit, and if there are burrs, they can be removed with a blade; the first aluminum bar is installed on the support plate of the welding fixture, and the second aluminum bar is installed between the first connecting component and the support plate, and the stamping surfaces of the first aluminum bar and the second aluminum bar are both placed upward.

6. The method for manufacturing a heat sink according to claim 1, characterized in that: In S4, when inspecting multiple sets of second heat pipes and brackets, it is necessary to check whether they have defects such as deformation, oil stains, scratches, burrs, missing pieces, etc.; good products are placed on the table for assembly, while defective products are placed in a defective product box for processing. If there are oil stains, they can be wiped clean with alcohol or white spirit, and if there are burrs, they can be removed with a blade.

7. The method for manufacturing a heat sink according to claim 1, characterized in that: In S5, the locking screws on the first fixing component, the second fixing component and the third fixing component are tightened by an electric screwdriver, so that the first fixing component, the second fixing component and the third fixing component fix the first heat conducting plate, the second heat conducting plate and the third heat conducting plate on the mounting base one by one; and the torque value of the electric screwdriver is set at 4.5-5.5Kgf.cm.

8. The method for manufacturing a heat sink according to claim 7, characterized in that: After the first, second and third heat conducting plates are locked, debug the tinning machine and set the air pressure at 0.6-0.8MPa; use the needle of the tinning machine to tin all the holes on the fins, and apply more solder paste on the last group of fins, and ensure that all holes are tinned without any tin breakage.

9. The method for manufacturing a heat sink according to claim 1, characterized in that: In S6, the oven is set to seven or ten temperature zones, the peak temperature is set at 160-180°C, and the time when the oven temperature exceeds 138°C must be 60-200s; before passing the oven, it is necessary to visually check whether there is a gap between the fin and the aluminum plate. If there is, return to the previous station for repair.

10. The method for manufacturing a heat sink according to claim 1, characterized in that: In S7, the bottom plate of the disassembled welding fixture needs to be checked for rosin adherence. If there is any, it should be wiped clean with a rag dipped in alcohol; the finished radiator needs to be wiped clean with a rag dipped in alcohol to ensure that there is no rosin on the surface of the finished radiator, and the finished radiator needs to be inspected for appearance. If there is no problem, a label is affixed and thermal paste is applied to the heat conduction plate; finally, the finished radiator is inspected in turn by a full inspection machine and a testing fixture to confirm whether it is qualified, and the qualified radiator is packaged.

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