A stamping die for a radiator in-mold one-time two-piece reverse buckle

Abstract

The utility model relates to a heat dissipation ware punch forming technical field discloses a heat dissipation ware mould in one time buckle two pieces of reverse buckle piece punch mould for the heat dissipation ware with first reverse buckle piece and second reverse buckle piece of punch material plate forming, including upper die holder and lower die holder, the upper die holder is equipped with punch appearance mould group, bending mould group and blanking mould group in proper order along the material belt processing direction in, the lower die holder is equipped with punch appearance insert piece mould group and blanking insert piece mould group with punch appearance mould group, blanking mould group corresponding in proper order, the material belt is established between the upper die holder and the lower die holder, punch appearance mould group includes the blanking assembly and reverse buckle piece slotting assembly, the reverse buckle piece slotting assembly includes first slotting part, second slotting part and reverse buckle piece avoidance position punch knife of distribution before and after, and the reverse buckle piece avoidance position punch knife is located one side of second slotting part.

Description

Technical Field

[0001] This utility model relates to the field of radiator stamping technology, and in particular to a stamping die for one-time snapping of two reverse snap pieces inside a radiator mold. Background Technology

[0002] With the increasing prevalence and performance improvement of electronic devices, heat dissipation has become a key factor restricting the stable operation and further performance expansion of these devices. As a core component for solving heat dissipation problems, the performance and quality of heat sinks directly affect the lifespan and reliability of electronic devices. As electronic devices develop towards miniaturization, integration, and high power density, more stringent requirements are placed on the heat dissipation efficiency, structural compactness, and manufacturing process optimization of heat sinks.

[0003] Radiators are typically assembled from multiple fins using specific connection methods to form effective heat dissipation channels and increase the heat dissipation area. Among these methods, the reverse-clamp connection is a common and effective one. It ensures a tight and secure connection between the fins, preventing them from loosening or separating due to thermal expansion and contraction or vibration, thereby guaranteeing the overall heat dissipation performance and structural stability of the radiator.

[0004] Currently, in the manufacturing process of heat sinks, most fins are formed by stamping using a stamping die. However, for heat sinks with inverted fins at the top and middle, such as... Figure 1 As shown, the radiator includes a radiator body, on which a first reverse buckle is located on its top surface and a second reverse buckle is located in its middle. The radiator body has a first notch and a second notch at one end near the first reverse buckle, and a third notch, a fourth notch and a fifth notch at the other end. The radiator body also has five sets of first snap-fit ​​structures, second snap-fit ​​structures, third snap-fit ​​structures, fourth snap-fit ​​structures and fifth snap-fit ​​structures arranged in parallel. For the manufacture of this type of radiator, most of the time, multiple sets of stamping dies are used to independently stamp the front part and the rear part of the middle reverse buckle, and then the stamped front and rear parts are spliced ​​and fastened together by manual assembly to finally obtain a complete radiator product.

[0005] However, the above-mentioned manual assembly method requires additional assembly steps, making the production process of the radiator cumbersome and complicated, which prolongs the overall production time of the radiator. Furthermore, due to the limited skill level of the operators, problems such as loose fastening of the reverse fasteners and positional deviations are prone to occur during manual assembly, affecting the connection stability between the various components of the radiator and the overall heat dissipation performance, thus reducing the reliability and service life of the product.

[0006] Therefore, a new technical solution needs to be researched to address the above problems. Utility Model Content

[0007] In view of this, the present invention addresses the deficiencies of the existing technology, and its main purpose is to provide a stamping die for one-time snapping of two reverse snap pieces inside a radiator mold.

[0008] To achieve the above objectives, the present invention adopts the following technical solution:

[0009] A stamping die for forming a radiator with two reverse buckle pieces in one operation is used to stamp a radiator having a first reverse buckle piece and a second reverse buckle piece. The die includes an upper die base and a lower die base. The upper die base contains a stamping shape module, a bending module, and a blanking module arranged sequentially along the material strip processing direction. The lower die base contains a stamping shape insert module and a blanking insert module, corresponding sequentially to the stamping shape module and the blanking module. A material strip is provided between the upper die base and the lower die base. The stamping shape module includes a stamping assembly for punching holes and shapes, and a reverse buckle grooving assembly for punching the reverse buckle pieces. The reverse buckle grooving assembly includes a first grooving component for punching the second reverse buckle piece, a second grooving component for punching the first reverse buckle piece, and a reverse buckle clearance punch for punching the reverse buckle piece clearance position. The reverse buckle clearance punch is located on one side of the second grooving component.

[0010] As further explained, the first slotted component has a first slotting cutter for slotting the first snap-point structure;

[0011] The second grooving component includes a second grooving cutter for grooving the second snap-point structure, a third grooving cutter for grooving the third snap-point structure, a fourth grooving cutter for grooving the fourth snap-point structure, and a fifth grooving cutter for grooving the fifth snap-point structure; the second grooving cutter, the third grooving cutter, the fourth grooving cutter, and the fifth grooving cutter are arranged side by side in sequence, and the second grooving cutter is offset from the first grooving cutter.

[0012] As further explained, the punching assembly includes a first punch for punching guide holes, a second punch for punching plum blossom holes, and a third punch for punching holes in the reverse buckle piece; two sets of the first punches are disposed on the upper die base and are located at both ends of the material plate respectively; the second punch is disposed between the two sets of the first punches; and the third punch is disposed on the side of the second punch near the reverse buckle piece slotting assembly.

[0013] As further explained, the shape forming component includes a first cutter for punching the first notch, a second cutter for punching the second notch, a third cutter for punching the third notch, a fourth cutter for punching the fourth notch, a fifth cutter for punching the fifth notch, a first shaping cutter for punching the shape of the first or second reverse buckle, a second shaping cutter for punching the shape of the fin, a sixth cutter for punching the shape of each buckle point, and a first half scissors and a second half scissors for bending.

[0014] The first cutter and the second cutter are arranged side by side on one side of the reverse buckle slotting assembly; the third cutter is arranged on one side of the second cutter and is offset from the second cutter; the fourth cutter and the fifth cutter are arranged side by side on one side of the third cutter and are offset from the third cutter; the first shaping cutter is arranged on one side of the fifth cutter; the second shaping cutter is arranged on one side of the second shaping cutter; the sixth cutter is arranged on one side of the second shaping cutter; the first half-scissors and the second half-scissors are distributed front and back on the side of the bending module near the blanking module.

[0015] As further explained, the punched shape insert module includes a first punching insert corresponding to the first punch, a second punching insert corresponding to the second punch, a third punching insert corresponding to the third punch, a first slotting insert corresponding to the first slotting cutter, a second slotting insert corresponding to the second slotting cutter, the third slotting cutter, the fourth slotting cutter, the fifth slotting cutter, and the reverse buckle clearance punch, a first cutting cutter insert corresponding to the first cutter and the second cutter, a second cutting cutter insert corresponding to the third cutter, a third cutting cutter insert corresponding to the fourth cutter and the fifth cutter, a first shaping insert corresponding to the first shaping cutter, a second shaping insert corresponding to the second shaping cutter, a fourth cutting cutter insert corresponding to the sixth cutter, a first half-scissor insert corresponding to the first half-scissors, and a second half-scissor insert corresponding to the second half-scissors;

[0016] Two sets of first punching inserts are disposed on the lower die base and are located at both ends of the strip; a second punching insert is disposed between the two sets of first punching inserts; a third punching insert is disposed on one side of the second punching insert; a first slotting insert is disposed on one side of the third punching insert; a second slotting insert is disposed on one side of the first slotting insert; a first cutting insert is disposed on one side of the second slotting insert; a second cutting insert is disposed on one side of the first cutting insert; a third cutting insert is disposed on one side of the second cutting insert; a first shaping insert is disposed on one side of the third cutting insert; a second shaping insert is disposed on one side of the first shaping insert; a fourth cutting insert is disposed on one side of the second shaping insert; the first half-shear insert and the second half-shear insert are arranged side by side in the bending module near the blanking module.

[0017] As further explained, the bending module includes a first bending component that bends upward and a second bending component that bends downward;

[0018] The first bending assembly includes two symmetrically distributed first bending components, each first bending component including a first bending block and a first pressing block; the first pressing block is disposed on the upper die base and is used to press the fin body onto the lower die base; the first bending block is disposed inside the lower die base, and the end of the first bending block extends into the upper die base, used to bend the side of the fin upward; the upper die base is provided with a limiting block for limiting the first bending block;

[0019] The second bending assembly includes two symmetrically distributed second bending components, each including a second bending block and a second pressing block. The second pressing block is disposed on the lower die base and is used to press the fin body onto the upper die base. The second bending block is disposed inside the lower die base, and the end of the second bending block extends into the lower die base for bending the side of the fin downward.

[0020] As further explained, the blanking module includes a third pressing block, two sets of symmetrically arranged riveting components, and two sets of symmetrically arranged blanking punches; the third pressing block is disposed on the upper die base and is used to press the fins downward; the two sets of blanking punches are respectively disposed at both ends of the third pressing block and are used to cut off the connection between the fins and the material plate; the two sets of riveting components are disposed in the lower die base and are respectively disposed at both ends of the third pressing block, and are used for riveting the front and rear sets of fins, and a reset elastic element is provided between the sets of riveting components.

[0021] As further explained, the blanking insert module includes a blanking insert; the blanking insert has a hollow internal structure, and both ends of the blanking insert are respectively provided with blanking grooves corresponding to the blanking punch; the two sets of riveting components are movably located inside the blanking insert.

[0022] As further explained, the riveting assembly includes a movable rod and a riveting block; the movable rod is movably mounted on the upper die base, and a first inclined surface is provided on the inner side of the end of the movable rod; the riveting block is movably mounted in the lower die base, and the riveting block is provided with an extrusion block for riveting and a downwardly recessed guide groove on the side of the extrusion block near the third pressure block, the guide groove being located on the side of the extrusion block away from the movable rod; a guide portion is provided between the guide groove and the first inclined surface.

[0023] As further explained, the upper die base is provided with multiple sets of first drive cylinders, and each set of first drive cylinders is provided with a first adjustment component between itself and the punching module, bending module, and blanking module; the first adjustment component includes a first adjustment connecting rod and a first adjustment connecting block; one end of the first adjustment connecting rod is connected to the first drive cylinder, and the other end is provided with a first wave groove; one side of the first adjustment connecting block is fixedly connected to the punching module, bending module, and blanking module, and the other side of the first adjustment connecting block is provided with a second wave groove corresponding to the first wave groove;

[0024] The lower die base is provided with a second driving cylinder, and a second adjusting component is provided between the second driving cylinder and the bending module; the second adjusting component includes a second adjusting connecting rod and a second adjusting connecting block; one end of the second adjusting connecting rod is connected to the second driving cylinder, and the other end is provided with a third wave groove; one side of the second adjusting connecting block is fixedly connected to the bending module, and the other side of the second adjusting connecting block is provided with a fourth wave groove corresponding to the third wave groove.

[0025] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution:

[0026] By setting up a first slotting component and a second slotting component, during the radiator production process, according to different process requirements, the first slotting component and the second slotting component perform slotting operations in their respective corresponding processes. Specifically, by controlling the start or avoidance of the first slotting component, it is determined whether the first snap-fit ​​structure should be slotted. Then, the second slotting component slots the remaining snap-fit ​​structures respectively. This allows the fixture to complete the forming of the second and first reverse snap-fit ​​pieces in the corresponding steps, eliminating the need for multiple sets of molds to process the second and first reverse snap-fit ​​pieces separately, thus improving the production efficiency of the radiator. Furthermore, by setting up a punching module, a bending module, and a blanking module, multiple processes such as punching, bending, and blanking are integrated into one mold. During the stamping process, the forming of multiple key components of the radiator and the snap-fit ​​pieces are completed at one time. Compared with manual assembly, no additional assembly process is required, greatly simplifying the production process. At the same time, it can also avoid the problem of loose snap-fit ​​caused by the uneven skill level of operators during manual assembly. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0028] Figure 1 This is a schematic diagram of the overall structure of the radiator.

[0029] Figure 2 A schematic diagram of the overall structure of a stamping die for one-time snap-fitting of two reverse snap-fit ​​pieces inside a radiator mold, provided by this utility model;

[0030] Figure 3 A schematic diagram of the structure of the material plate provided by this utility model;

[0031] Figure 4 A schematic diagram of the internal structure of the bending module provided by this utility model;

[0032] Figure 5 A schematic diagram of the internal structure of the blanking module provided by this utility model;

[0033] Figure 6 A schematic diagram of the structure of the first adjustment component and the second adjustment component provided by this utility model.

[0034] The following are the labeling elements in the figure:

[0035] 10. Upper mold base; 11. Lower mold base; 12. Material strip;

[0036] 211a, First punch cutter; 211b, Second punch cutter; 212, Third punch cutter; 213a, First cutter; 213b, Second cutter; 214, Third cutter; 215a, Fourth cutter; 215b, Fifth cutter; 216a, First shaping cutter; 216b, Second shaping cutter; 217, Sixth cutter; 218a, First half scissors; 218b, Second half scissors;

[0037] 22. First slotting component; 23. Second slotting component; 231. Second slotting cutter; 232. Third slotting cutter; 233. Fourth slotting cutter; 234. Fifth slotting cutter; 24. Reverse buckle clearance punch;

[0038] 30. Bending module; 31. First bending assembly; 311. First bending block; 312. First pressing block; 313. Limiting block; 32. Second bending assembly; 321. Second bending block; 322. Second pressing block;

[0039] 40. Blanking module; 41. Third pressure block; 421. Movable rod; 421a. First inclined surface; 422. Riveting block; 422a. Guide groove; 422b. Guide part; 422c. Extrusion block; 43. Blanking punch;

[0040] 50. Punching Outline Insert Module; 501a. First Punching Insert; 501b. Second Punching Insert; 502. Third Punching Insert; 503. First Slotting Insert; 504. Second Slotting Insert; 505a. First Cutting Insert; 505b. Second Cutting Insert; 505c. Third Cutting Insert; 506a. First Shaping Insert; 506b. Second Shaping Insert; 507. Fourth Cutting Insert; 508a. First Half-Shearing Insert; 508b. Second Half-Shearing Insert;

[0041] 51. Blanking insert module; 511. Blanking groove;

[0042] 61. First drive cylinder; 62. First adjusting assembly; 621. First adjusting connecting rod; 621a. First wave groove; 622. First adjusting connecting block; 622a. Second wave groove; 63. Second drive cylinder; 64. Second adjusting assembly; 641. Second adjusting connecting rod; 641a. Third wave groove; 642. Second adjusting connecting block; 642a. Fourth wave groove;

[0043] 711. First reverse fastener; 712. Second reverse fastener; 721. First notch; 722. Second notch; 723. Third notch; 724. Fourth notch; 725. Fifth notch; 731. First fastening point structure; 732. Second fastening point structure; 733. Third fastening point structure; 734. Fourth fastening point structure; 735. Fifth fastening point structure. Detailed Implementation

[0044] To make the technical problems, technical solutions, and beneficial effects to be solved by this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and are not intended to limit the scope of this application.

[0045] It should be noted that when a component is referred to as being "fixed to" or "set on" another component, it can be directly on or indirectly on that other component. When a component is referred to as being "connected to" another component, it can be directly connected to or indirectly connected to that other component.

[0046] It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0047] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0048] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0049] In one embodiment of this utility model, such as Figure 1-6 As shown, a stamping die for forming a radiator with two reverse buckle pieces in a single press is provided. This die is used to press a sheet material to form a radiator with a first reverse buckle piece 711 and a second reverse buckle piece 712. The die includes an upper die base 10 and a lower die base 11. The upper die base 10 has a stamping shape module, a bending module 30, and a blanking module 40 arranged sequentially along the processing direction of the strip material 12. The lower die base 11 has a stamping shape insert module 50 and a blanking insert module 51, corresponding sequentially to the stamping shape module and the blanking module 40. A strip material 12 is provided between the upper die base 10 and the lower die base 11. The stamping shape module includes a stamping assembly for punching holes and shapes, and a reverse buckle piece slotting assembly for punching the reverse buckle pieces. The reverse snap-fit ​​slotting assembly includes a first slotting component 22 for punching the second reverse snap-fit ​​712, a second slotting component 23 for punching the first reverse snap-fit ​​711, and a reverse snap-fit ​​clearance punch 24 for punching the reverse snap-fit ​​clearance position. The reverse snap-fit ​​clearance punch 24 is located on one side of the second slotting component 23.

[0050] By setting up a first slotting component 22 and a second slotting component 23, during the radiator production process, according to different process requirements, the first slotting component 22 and the second slotting component 23 respectively perform slotting operations in their corresponding processes. Specifically, by controlling the start or avoidance of the first slotting component 22, it is determined whether the first snap-fit ​​structure 731 should be slotted. Then, the second slotting component 23 slots the remaining snap-fit ​​structures accordingly. This allows the fixture to complete the forming of the second reverse snap-fit ​​piece 712 and the first reverse snap-fit ​​piece 711 in the corresponding steps, without the need for... Multiple sets of molds process the second reverse buckle 712 and the first reverse buckle 711 respectively, which improves the production efficiency of the radiator. Furthermore, by setting up a stamping module, a bending module 30 and a blanking module 40, multiple processes such as stamping, bending and blanking are integrated into a single mold. During the stamping process, the forming of multiple key components of the radiator and the snapping of the reverse buckles are completed in one go. Compared with the manual assembly method, no additional assembly process is required, which greatly simplifies the production process. At the same time, it can also avoid the problem of loose snapping caused by the uneven skill level of operators during manual assembly.

[0051] Preferably, the first slotted component 22 has a first slotting cutter for slotting the first snap point structure 731.

[0052] The second grooving component 23 includes a second grooving cutter 231 for grooving the second snap-in structure 732, a third grooving cutter 232 for grooving the third snap-in structure 733, a fourth grooving cutter 233 for grooving the fourth snap-in structure 734, and a fifth grooving cutter 234 for grooving the fifth snap-in structure 735. The second grooving cutter 231, the third grooving cutter 232, the fourth grooving cutter 233, and the fifth grooving cutter 234 are arranged side by side in sequence, and the second grooving cutter 231 is offset from the first grooving cutter. Specifically, the first grooving component 22 and the second grooving component 23 are respectively arranged in the preceding and following grooving processes, and the first grooving cutter is correspondingly arranged at the first snap-in structure 731, and the second grooving cutter 231 is correspondingly arranged at the second snap-in structure 732. The two are not on the same horizontal line, but are arranged in a left-right distribution.

[0053] By setting the first grooving cutter 231, the second grooving cutter 232, the fourth grooving cutter 233, and the fifth grooving cutter 234, this precisely designed grooving assembly can ensure the accurate forming of each reverse latching point structure, making the reverse latching point structure accurate in size and standardized in shape, and able to fit tightly when fastened, ensuring the connection strength between the reverse latching and other components of the radiator, and improving the connection stability between the various components of the radiator.

[0054] Furthermore, the punching assembly includes a first punch 211a for punching guide holes, a second punch 211b for punching perforated holes, and a third punch 212 for punching holes for the snap fasteners. Two sets of first punches 211a are mounted on the upper die base 10 and are located at opposite ends of the material plate. The second punch 211b is positioned between the two sets of first punches 211a. The third punch 212 is positioned on the side of the second punch 211b closest to the snap fastener slotting assembly. By setting the first punches 211a, second punches 211b, and third punch 212, and through a reasonable layout of the punches, guide holes, perforated holes, and snap fastener holes can be accurately punched on the material plate. The positional accuracy of the die punching is higher, providing a precise positioning reference for the subsequent installation of the snap fasteners and the assembly of other components. This ensures the accuracy of the overall structure of the radiator and thus improves the overall heat dissipation performance of the radiator.

[0055] Furthermore, the shape forming assembly includes a first cutter 213a for punching the first notch 721, a second cutter 213b for punching the second notch 722, a third cutter 214 for punching the third notch 723, a fourth cutter 215a for punching the fourth notch 724, a fifth cutter 215b for punching the fifth notch 725, a first shaping cutter 216a for punching the shape of the first buckle 711 or the second buckle 712, a second shaping cutter 216b for punching the shape of the fin, a sixth cutter 217 for punching the shape of each buckle point, and a first half shear 218a and a second half shear 218b for bending.

[0056] The first cutting blade 213a and the second cutting blade 213b are arranged side by side on one side of the reverse snap-fit ​​slotting assembly. The third cutting blade 214 is located on one side of the second cutting blade 213b and is offset from the second cutting blade 213b. The fourth cutting blade 215a and the fifth cutting blade 215b are arranged side by side on one side of the third cutting blade 214, and the fifth cutting blade 215b is offset from the third cutting blade 214. The first shaping blade 216a is located on one side of the fifth cutting blade 215b. The second shaping blade 216b is located on one side of the second shaping blade 216b. The sixth cutting blade 217 is located on one side of the second shaping blade 216b. The first half-scissors 218a and the second half-scissors 218b are distributed front and rear on the side of the bending module 30 near the blanking module 40.

[0057] By setting up the shape forming components, and with each cutting blade and shaping blade having a clear division of labor and a reasonable layout, it is possible to accurately punch out notches, the shape of the reverse buckle, the shape of the fins, and the shape of each buckle point at different positions. This ensures that the shape and positional accuracy of the reverse buckle and other components are strictly guaranteed. At the same time, the setting of the first half shears 218a and the second half shears 218b allows for further processing of the components after bending, ensuring that the edges of the components are neat. This improves the appearance quality and internal structure accuracy of the radiator, and enhances the connection stability between the various components of the radiator and the overall heat dissipation performance.

[0058] Furthermore, the punching insert module 50 includes a first punching insert 501a corresponding to the first punch 211a, a second punching insert 501b corresponding to the second punch 211b, a third punching insert 502 corresponding to the third punch 212, a first slotting insert 503 corresponding to the first slotting cutter, a second slotting insert 504 corresponding to the second slotting cutter 231, the third slotting cutter 232, the fourth slotting cutter 233, the fifth slotting cutter 234, and the reverse buckle clearance punch 24, and a third punching insert 504 corresponding to the first cutter 213a and the second cutter 213b. The components include: a cutting blade 213a insert 505a; a second cutting blade insert 505b corresponding to the third cutting blade 214; a third cutting blade insert 505c corresponding to the fourth cutting blade 215a and the fifth cutting blade 215b; a first shaping insert 506a corresponding to the first shaping blade 216a; a second shaping insert 506b corresponding to the second shaping blade 216b; a fourth cutting blade insert 507 corresponding to the sixth cutting blade 217; a first half-scissor insert 508a corresponding to the first half-scissors 218a; and a second half-scissor insert 508b corresponding to the second half-scissors 218b.

[0059] Two sets of first punching inserts 501a are disposed on the lower die base 11, and are located at both ends of the strip 12 respectively. A second punching insert 501b is disposed between the two sets of first punching inserts 501a. A third punching insert 502 is disposed on one side of the second punching insert 501b. A first slotting insert 503 is disposed on one side of the third punching insert 502. A second slotting insert 504 is disposed on one side of the first slotting insert 503. A first cutting insert 505a is disposed on one side of the second slotting insert 504. A second cutting insert 505b is disposed on one side of the first cutting insert 505a. A third cutting insert 505c is disposed on one side of the second cutting insert 505b. A first shaping insert 506a is disposed on one side of the third cutting insert 505c. A second shaping insert 506b is disposed on one side of the first shaping insert 506a. A fourth cutting insert 507 is disposed on one side of the second shaping insert 506b. The first half-shear insert 508a and the second half-shear insert 508b are arranged side by side on the side of the bending module 30 near the blanking module 40.

[0060] By setting up the stamping profile insert module 50, and by setting each insert to correspond one-to-one with the corresponding cutter in the upper die holder 10, this design allows the die to better cooperate with the cutter of the upper die holder 10 to process the strip 12 during the stamping process, ensuring the accuracy and stability of the processing, ensuring the dimensional consistency of each component of the radiator, thereby improving the accuracy and tightness of the snap fastener engagement, and enhancing the connection stability and overall heat dissipation performance between each component of the radiator.

[0061] Preferably, the bending module 30 includes a first bending component 31 that bends upward and a second bending component 32 that bends downward.

[0062] The first bending assembly 31 includes two symmetrically distributed first bending components, each including a first bending block 311 and a first pressing block 312. The first pressing block 312 is disposed on the upper die base 10 and is used to press the fin body onto the lower die base 11. The first bending block 311 is disposed within the lower die base 11, and its end extends into the upper die base 10, used to bend the side of the fin upward. The upper die base 10 is provided with a limiting block 313 for limiting the first bending block 311.

[0063] The second bending assembly 32 includes two symmetrically distributed second bending components, each including a second bending block 321 and a second pressing block 322. The second pressing block 322 is disposed on the lower die base 11 and is used to press the fin body onto the upper die base 10. The second bending block 321 is disposed inside the lower die base 11, and its end extends into the lower die base 11, used to bend the side of the fin downwards.

[0064] By setting up the bending module 30, the first bending component 31 and the second bending component 32 respectively achieve upward and downward bending. The first bending component and the second bending component, through the cooperation of the pressure block and the bending block, can accurately bend the side of the fins and the side of each counter-clamping piece to ensure the consistency of the bending angle and the regularity of the shape of the fins and counter-clamping pieces. This allows the air to circulate smoothly during the heat dissipation process of the radiator, improves the heat dissipation efficiency, and at the same time ensures the connection stability between the various components of the radiator.

[0065] Preferably, the blanking module 40 includes a third pressing block 41, two sets of symmetrically arranged riveting assemblies, and two sets of symmetrically arranged blanking punches 43. The third pressing block 41 is disposed on the upper die base 10 and is used to press the fins downward. The two sets of blanking punches 43 are respectively disposed at both ends of the third pressing block 41 and are used to cut off the connection between the fins and the material plate. The two sets of riveting assemblies are disposed in the lower die base 11 and are respectively disposed at both ends of the third pressing block 41. They are used for riveting the front and rear sets of fins. A reset elastic element (not shown in the figure) is provided between the riveting assemblies, such as a reset spring. The specific model can be selected by those skilled in the art according to the corresponding mechanical manual, so no specific limitation is made.

[0066] The blanking insert module 51 includes a blanking insert. The blanking insert has a hollow internal structure, and both ends of the blanking insert are respectively provided with blanking grooves 511 corresponding to the blanking punch 43. Two sets of riveting components are movably located inside the blanking insert. The fins are pressed downwards by the third pressing block 41 in the blanking module 40, while the blanking punch 43 cuts the connection between the fins and the material plate. The riveting components then rivet the front and rear sets of fins. The hollow interior of the blanking insert with blanking grooves 511 provides movement space for the riveting components, allowing the blanking and riveting processes to be completed in one operation. Compared to manual assembly, which requires separate blanking and riveting operations, this improves production efficiency while ensuring the quality and stability of the riveting. Furthermore, a reset elastic element is provided, which allows the riveting components to automatically reset after riveting, facilitating the next production run and further improving production continuity and efficiency.

[0067] Furthermore, the riveting assembly includes a movable rod 421 and a riveting block 422. The movable rod 421 is movably mounted on the upper die base 10, and a first inclined surface 421a is provided on the inner side of its end. The riveting block 422 is movably mounted inside the lower die base 11. The riveting block 422 has a pressing block 422c for riveting and a downwardly recessed guide groove 422a on the side of the pressing block 422c away from the movable rod 421. A guide portion 422b is provided between the guide groove 422a and the first inclined surface 421a.

[0068] By setting up a riveting assembly, the movable rod 421 and the riveting block 422 achieve precise riveting action through the cooperation of the first inclined surface 421a, the guide groove 422a and the guide part 422b. Compared with the problems of weak riveting and deviation of riveting point position caused by uneven force or inaccurate operation during manual riveting, mold riveting can ensure the riveting force and position accuracy, making the connection between fins more firm and reliable, improving the connection stability between various components of the radiator, and thus improving the overall heat dissipation performance and reliability of the radiator.

[0069] Preferably, the upper die base 10 is provided with multiple sets of first drive cylinders 61, and each set of first drive cylinders 61 is provided with a first adjustment component 62 between itself and the punching module 30, the bending module 30, and the blanking module 40. The first adjustment component 62 includes a first adjustment connecting rod 621 and a first adjustment connecting block 622. One end of the first adjustment connecting rod 621 is connected to the first drive cylinder 61, and the other end is provided with a first wave groove 621a. One side of the first adjustment connecting block 622 is fixedly connected to the punching module 30, the bending module 30, and the blanking module 40, and the other side of the first adjustment connecting block 622 is provided with a second wave groove 622a corresponding to the first wave groove 621a.

[0070] A second drive cylinder 63 is provided on the lower die base 11, and a second adjustment assembly 64 is provided between the second drive cylinder 63 and the bending module 30. The second adjustment assembly 64 includes a second adjustment connecting rod 641 and a second adjustment connecting block 642. One end of the second adjustment connecting rod 641 is connected to the second drive cylinder 63, and the other end is provided with a third wave groove 641a. One side of the second adjustment connecting block 642 is fixedly connected to the bending module 30, and the other side of the second adjustment connecting block 642 is provided with a fourth wave groove 642a corresponding to the third wave groove 641a. In this embodiment, the working action and principle of the first drive cylinder 61 and the second drive cylinder 63 are the same.

[0071] The first drive cylinder 61 or the second drive cylinder 63 needs to be set to start according to the processing steps of the stamping die. It only starts within the set steps. When it is not working, there are clearances between the stamping module, bending module 30 and blanking module 40 and the upper die holder 10, as well as between the blanking module 40 and the lower die holder 11, so as not to affect the normal processing of fins or reverse buckles. The first adjusting component 62 or the second adjusting component 64 is connected to each module, and the first wave groove 621a and the second wave groove 622a on the first adjusting connecting rod 621 and the first adjusting connecting block 622 cooperate with each other, or the third wave groove 641a and the fourth wave groove 642a on the second adjusting connecting rod 641 and the second adjusting connecting block 642 cooperate with each other. When the raised ends of the two sets of wave grooves abut against each other, the corresponding structure enters the working state. When the concave ends in the two sets of wave grooves abut against the raised ends, the corresponding structure enters the clearance state, and this place becomes empty. Through this design, the working state of the punching module, bending module 30, blanking module 40, etc. can be conveniently and accurately adjusted to adapt to the specific steps required by different processes, thereby improving the flexibility of the mold.

[0072] The above are merely preferred embodiments of the present utility model, and only specifically describe the technical principles of the present utility model. These descriptions are only for explaining the principles of the present utility model and should not be construed as limiting the scope of protection of the present utility model in any way. Based on this explanation, any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model, as well as other specific embodiments of the present utility model that can be conceived by those skilled in the art without creative effort, should be included within the scope of protection of the present utility model.

Claims

1. A heat sink in-mold one-time two-piece reverse-die stamping die for stamping a material sheet into a heat sink having a first reverse tab and a second reverse tab, characterized by, include: The upper die base is provided with a punching module, a bending module and a blanking module arranged sequentially along the material strip processing direction; The lower die base is provided with a punching shape insert module and a blanking block module that are sequentially corresponding to the punching shape module and the blanking module; a material strip is provided between the upper die base and the lower die base; The punching module includes a punching assembly for punching holes and shapes, and a grooving assembly for punching reverse buckles. The grooving assembly includes a first grooving component for punching second reverse buckles, a second grooving component for punching first reverse buckles, and a reverse buckle clearance punch for punching reverse buckle clearance positions, all distributed front and rear. The reverse buckle clearance punch is located on one side of the second grooving component.

2. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 1, characterized in that, The first slotted component has a first slotting cutter for slotting the first snap-on structure; The second grooving component includes a second grooving cutter for grooving the second snap-point structure, a third grooving cutter for grooving the third snap-point structure, a fourth grooving cutter for grooving the fourth snap-point structure, and a fifth grooving cutter for grooving the fifth snap-point structure; the second grooving cutter, the third grooving cutter, the fourth grooving cutter, and the fifth grooving cutter are arranged side by side in sequence, and the second grooving cutter is offset from the first grooving cutter.

3. The stamping die for one-time snapping of two reverse snap-fit ​​pieces inside the radiator mold according to claim 2, characterized in that, The punching assembly includes a first punch for punching guide holes, a second punch for punching plum blossom holes, and a third punch for punching holes in the reverse buckle piece; two sets of the first punches are disposed on the upper die base and are located at both ends of the material plate respectively; the second punch is disposed between the two sets of the first punches; the third punch is disposed on the side of the second punch near the reverse buckle piece slotting assembly.

4. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 3, characterized in that, The shape forming assembly includes a first cutter for punching the first notch, a second cutter for punching the second notch, a third cutter for punching the third notch, a fourth cutter for punching the fourth notch, a fifth cutter for punching the fifth notch, a first shaping cutter for punching the shape of the first or second reverse buckle, a second shaping cutter for punching the shape of the fin, a sixth cutter for punching the shape of each buckle point, and a first and second half shears for bending. The first cutter and the second cutter are arranged side by side on one side of the reverse buckle slotting assembly; the third cutter is arranged on one side of the second cutter and is offset from the second cutter; the fourth cutter and the fifth cutter are arranged side by side on one side of the third cutter and are offset from the third cutter; the first shaping cutter is arranged on one side of the fifth cutter; the second shaping cutter is arranged on one side of the second shaping cutter; the sixth cutter is arranged on one side of the second shaping cutter; the first half-scissors and the second half-scissors are distributed front and back on the side of the bending module near the blanking module.

5. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 4, characterized in that, The punched shape insert module includes a first punching insert corresponding to the first punch, a second punching insert corresponding to the second punch, a third punching insert corresponding to the third punch, a first slotting insert corresponding to the first slotting cutter, a second slotting insert corresponding to the second, third, fourth, fifth, and reverse buckle clearance punch, a first cutting insert corresponding to the first and second cutters, a second cutting insert corresponding to the third cutter, a third cutting insert corresponding to the fourth and fifth cutters, a first shaping insert corresponding to the first shaping cutter, a second shaping insert corresponding to the second shaping cutter, a fourth cutting insert corresponding to the sixth cutter, a first half-scissor insert corresponding to the first half-scissors, and a second half-scissor insert corresponding to the second half-scissors. Two sets of first punching inserts are disposed on the lower die base and are located at both ends of the strip; a second punching insert is disposed between the two sets of first punching inserts; a third punching insert is disposed on one side of the second punching insert; a first slotting insert is disposed on one side of the third punching insert; a second slotting insert is disposed on one side of the first slotting insert; a first cutting insert is disposed on one side of the second slotting insert; a second cutting insert is disposed on one side of the first cutting insert; a third cutting insert is disposed on one side of the second cutting insert; a first shaping insert is disposed on one side of the third cutting insert; a second shaping insert is disposed on one side of the first shaping insert; a fourth cutting insert is disposed on one side of the second shaping insert; the first half-shear insert and the second half-shear insert are arranged side by side in the bending module near the blanking module.

6. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 1, characterized in that, The bending module includes a first bending component that bends upwards and a second bending component that bends downwards; The first bending assembly includes two symmetrically distributed first bending components, each first bending component including a first bending block and a first pressing block; the first pressing block is disposed on the upper die base and is used to press the fin body onto the lower die base; the first bending block is disposed inside the lower die base, and the end of the first bending block extends into the upper die base, used to bend the side of the fin upward; the upper die base is provided with a limiting block for limiting the first bending block; The second bending assembly includes two symmetrically distributed second bending components, each including a second bending block and a second pressing block. The second pressing block is disposed on the lower die base and is used to press the fin body onto the upper die base. The second bending block is disposed inside the lower die base, and the end of the second bending block extends into the lower die base for bending the side of the fin downward.

7. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 1, characterized in that, The blanking module includes a third pressing block, two sets of symmetrically arranged riveting components, and two sets of symmetrically arranged blanking punches. The third pressing block is located on the upper die base and is used to press the fins downward. The two sets of blanking punches are respectively located at both ends of the third pressing block and are used to cut off the connection between the fins and the material plate. The two sets of riveting components are located in the lower die base and are respectively located at both ends of the third pressing block. They are used for riveting the front and rear sets of fins. A reset elastic element is provided between the sets of riveting components.

8. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 7, characterized in that, The blanking insert module includes a blanking insert; the blanking insert has a hollow internal structure, and both ends of the blanking insert are respectively provided with blanking grooves corresponding to the blanking punch; the two sets of riveting components are movably located inside the blanking insert.

9. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 8, characterized in that, The riveting assembly includes a movable rod and a riveting block; the movable rod is movably mounted on the upper die base, and a first inclined surface is provided on the inner side of the end of the movable rod; the riveting block is movably mounted in the lower die base, and the riveting block is provided with an extrusion block for riveting and a downwardly recessed guide groove on the side of the extrusion block near the third pressure block, the guide groove being located on the side of the extrusion block away from the movable rod; a guide portion is provided between the guide groove and the first inclined surface.

10. The stamping die for one-time snapping of two reverse snap-fit ​​pieces in the radiator mold according to claim 1, characterized in that, The upper die base is provided with multiple sets of first drive cylinders, and each set of first drive cylinders is provided with a first adjustment component between itself and the punching module, bending module, and blanking module. The first adjustment component includes a first adjustment connecting rod and a first adjustment connecting block. One end of the first adjustment connecting rod is connected to the first drive cylinder, and the other end is provided with a first wave groove. One side of the first adjustment connecting block is fixedly connected to the punching module, bending module, and blanking module, and the other side of the first adjustment connecting block is provided with a second wave groove corresponding to the first wave groove. The lower die base is provided with a second driving cylinder, and a second adjusting component is provided between the second driving cylinder and the bending module; the second adjusting component includes a second adjusting connecting rod and a second adjusting connecting block; one end of the second adjusting connecting rod is connected to the second driving cylinder, and the other end is provided with a third wave groove; one side of the second adjusting connecting block is fixedly connected to the bending module, and the other side of the second adjusting connecting block is provided with a fourth wave groove corresponding to the third wave groove.

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