Horizontal stamping die for producing VC sheet upper cover

Abstract

The utility model relates to the field of stamping dies, in particular to a horizontal stamping die for producing VC sheet upper covers, which comprises a lower die holder and an upper die holder, a punching and rib beating station, a water gap beating station, a convex hull beating station, a convex hull finishing station, an edge cutting station and a workpiece discharging station are sequentially arranged in a lower die set, and a machining channel for a metal sheet base material to pass through is arranged on the lower die set. A metal sheet base material used for machining and production enters the machining channel through the feeding mechanism and sequentially passes through the punching and rib beating station, the water gap beating station, the convex hull beating station, the convex hull finishing station, the edge cutting station and the workpiece discharging station. According to the stamping die, the punching and rib beating station, the water gap beating station, the convex hull beating station, the convex hull finishing station, the edge cutting station and the workpiece discharging station are integrated in one stamping die, continuous stamping machining of a metal sheet base material is achieved, the production efficiency is greatly improved, and the time for multiple times of clamping and transferring is shortened.

Description

Technical Field

[0001] This utility model relates to the field of stamping dies, and in particular to a horizontal stamping die for producing the top cover of a VC sheet. Background Technology

[0002] Stamping dies are a commonly used process equipment in industrial production. They utilize the internal cavity and punch of the die to process metal or non-metal materials into parts of the desired shape through pressure. Stamping dies have advantages such as high production efficiency, high material utilization, and high machining accuracy, and are widely used in industries such as automobiles, electronics, and home appliances. With the advancement of technology and industrial development, the requirements for stamping dies are becoming increasingly stringent. They not only need to meet basic processing requirements but also need to possess characteristics such as high precision, high efficiency, and high stability.

[0003] A vapor chamber (VC) is an important component for heat dissipation, widely used in mobile phones, computers, servers, graphics cards, etc., to dissipate heat. A VC vapor chamber typically consists of a top cover and a bottom cover, both made of metal sheets, forming a vacuum cavity, usually made of copper. Its working principle is based on the gas-liquid phase change principle: when heat is applied to one side of the cavity, the working liquid inside absorbs heat and rapidly evaporates, expanding rapidly in volume, and the gaseous cooling medium quickly fills the entire cavity; the vapor moves to the cooler area under a small pressure difference, where it condenses into liquid and releases heat; subsequently, the condensed coolant flows back to the heating area through microstructured capillary channels, completing the cycle. This process repeats continuously within the cavity, achieving efficient heat conduction and uniform distribution.

[0004] The existing stamping dies for VC sheet caps have the following defects:

[0005] 1) Traditional stamping dies often use multiple independent workstations to complete different processes, which not only increases production costs but also reduces production efficiency.

[0006] 2) Existing stamping dies are prone to causing deformation of the metal sheet substrate during processing. When the metal sheet is subjected to external force, it undergoes elastic deformation, which disappears when the external force is unloaded or released. However, due to the change in the stress state of the metal sheet during the forming process, the stress distribution inside the material becomes uneven. When the external force is unloaded or released, the metal sheet will experience stress release, resulting in springback deformation, which affects the quality and performance of the product. Utility Model Content

[0007] In order to overcome the shortcomings of existing technical solutions, this utility model provides a horizontal stamping die for producing VC sheet top covers, which can effectively solve the technical problem that metal sheets that require multiple dies for stamping and forming are prone to springback and deformation.

[0008] The technical solution adopted by this utility model to solve its technical problem is:

[0009] A horizontal stamping die for producing VC sheet caps includes a lower die base and an upper die base. A lower die assembly is provided at one end of the lower die base near the upper die base, and an upper die assembly corresponding to the lower die assembly is provided at one end of the upper die base near the lower die base. The lower die assembly is provided with a punching and rib-forming station, a gate-forming station, a embossing station, a embossing station, an edge-trimming station, and a part-exit station in sequence. The lower die assembly is provided with a processing channel for the metal sheet substrate to pass through. The metal sheet substrate for processing enters the processing channel through a feeding mechanism and passes through the punching and rib-forming station, the gate-forming station, the embossing station, the embossing station, the edge-trimming station, and the part-exit station in sequence.

[0010] In the punching guide hole station, the upper die set includes a punching upper die and a rib upper die, and the lower die set is equipped with a punching bottom die and a rib bottom die. After the lower die set and the upper die set are closed, the punching upper die and the punching bottom die punch out guide positioning holes on the metal sheet substrate, and the rib upper die and the rib bottom die punch out rib strips on the metal sheet substrate. The guide positioning holes and rib strips are arranged at equal intervals on the edge of the metal sheet substrate. The guide positioning holes are located in the interval between the two rib strips. Each station is equipped with a guide rod corresponding to the guide positioning hole. After the lower die set and the upper die set are closed, the guide rod passes through the guide positioning hole strip. The rib strips are set around the top cover of the product VC sheet. After the top cover of the product VC sheet is separated from the metal sheet substrate, the rib strips remain on the metal sheet substrate.

[0011] Furthermore, the upper mold assembly also includes a sprue upper mold, an embossing upper mold, a full-pack upper mold, and a trimming upper mold. The lower mold base is provided with a sprue bottom mold, an embossing bottom mold, a full-pack bottom mold, and a trimming bottom mold. After the mold is closed, the sprue upper mold and the sprue bottom mold punch out the VC sheet cap water inlet on the metal sheet substrate. The embossing upper mold and the embossing bottom mold punch out several embossed points of the VC sheet cap on the metal sheet substrate. The full-pack upper mold and the full-pack bottom mold press and shape the embossed points and water inlet of the VC sheet cap. The trimming upper mold and the trimming bottom mold separate part of the edge of the VC sheet cap from the metal sheet substrate.

[0012] Furthermore, during the mold closing process at the trimming station, the upper trimming mold and the lower trimming mold separate the edge contour of the VC sheet cover near the two side convex ribs from the metal sheet substrate. The two sides of the VC sheet cover near the convex packaging station and the part ejection station remain connected to the metal sheet substrate.

[0013] Furthermore, in the part-making station, the upper mold assembly includes a double-sided punching upper mold, and the lower mold base includes a double-sided punching bottom mold. After the lower mold base and the upper mold base are closed, the double-sided punching upper mold and the double-sided punching bottom mold punch one end of the two VC sheet covers arranged in front and behind on the metal sheet substrate. After punching, the VC sheet covers far from the cutting edge station on the part-making station are completely separated from the metal sheet substrate and removed from the part.

[0014] Furthermore, the upper die for punching embossing includes several pressure bars, and the lower die for punching embossing is provided with pressure grooves corresponding to the pressure bars. The end of the pressure bar near the processing channel can cooperate with the pressure groove and punch out embossing points on the metal sheet substrate.

[0015] Furthermore, the lower module also includes a guide plate and a floating block. The guide plates are symmetrically arranged on the lower mold base, and a processing channel is formed between the two symmetrically arranged guide plates. The floating block is disposed in the processing channel.

[0016] Compared with the prior art, the beneficial effects of this utility model are:

[0017] 1) The punching and rib-making station, the gate-making station, the embossing station, the embossing station, the trimming station, and the part-ejection station are integrated into a single stamping die, which realizes continuous stamping processing of metal sheet substrates, greatly improves production efficiency, simplifies the production process, and reduces the time spent on multiple clamping and transfer, thereby saving production time and reducing production costs. At the same time, since all stations are completed in one die, the consistency and precision of processing are also guaranteed, which improves the quality and stability of the products.

[0018] 2) A punching and rib-forming station is provided. By punching guide positioning holes and raised ribs on the metal sheet substrate, the guide positioning holes ensure accurate alignment of the metal sheet substrate at each station, guaranteeing the continuity and stability of subsequent processing. The raised ribs strengthen the edge of the metal sheet substrate, thereby improving its resistance to deformation and preventing deformation of the metal sheet substrate due to stress release during the stamping process. After stamping, the raised ribs remain on the metal sheet substrate and do not affect the structural design of the VC sheet cover. Punching the guide positioning holes and raised ribs is completed in the same station, reducing production steps and improving production efficiency. Attached Figure Description

[0019] Figure 1 This is the front view of the present invention;

[0020] Figure 2 This is a schematic diagram of each workstation in this utility model;

[0021] Figure 3 This is a schematic diagram of the VC sheet cover after stamping in this utility model;

[0022] Figure 4 This is a schematic diagram of the guide positioning holes and protruding ribs on the metal sheet substrate in this utility model;

[0023] The numbers in the diagram are: 1-lower mold base, 2-upper mold base, 3-lower mold assembly, 301-guide plate, 302-floating block, 4-upper mold assembly, 401-punching upper mold, 402-rib upper mold, 403-sprue upper mold, 404-convex bulge upper mold, 4041-pressure rod, 405-full-pack upper mold, 406-trimming upper mold, 407-double-sided punching upper mold, 5-punching and rib-making station, 6-sprue-making station, 7-convex bulge-making station, 8-full-pack-making station, 9-trimming station, 10-part ejection station, 11-VC sheet upper cover, 1101-water inlet, 1102-protrusion, 12-metal sheet substrate, 1201-guide positioning hole, 1202-rib strip. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] The following is combined Figures 1-4 The present invention provides a detailed description of the horizontal stamping die for producing the top cover of VC tablets:

[0026] A horizontal stamping die for producing VC sheet caps includes a lower die base 1 and an upper die base 2. A lower die assembly 3 is provided at one end of the lower die base 1 near the upper die base 2, and an upper die assembly 4 corresponding to the lower die assembly 3 is provided at one end of the upper die base 2 near the lower die base 1. The lower die assembly 3 is provided with a punching and rib-forming station 5, a gate-forming station 6, a convex-forming station 7, a convex-forming station 8, a trimming station 9, and a part-exit station 10 in sequence. The lower die assembly 3 is provided with a processing channel for the metal sheet substrate 12 to pass through. The metal sheet substrate 12 used for processing enters the processing channel through a feeding mechanism and passes through the punching and rib-forming station 5, the gate-forming station 6, the convex-forming station 7, the convex-forming station 8, the trimming station 9, and the part-exit station 10 in sequence. By integrating the punching and rib-forming station 5, the sprue-forming station 6, the embossing station 7, the embossing station 8, the trimming station 9, and the part-ejection station 10 into a single stamping die, continuous stamping processing of the metal sheet substrate 12 is achieved. This greatly improves production efficiency, simplifies the production process, and reduces the time spent on multiple clamping and transfer operations, thereby saving production time and reducing production costs. At the same time, since all stations are completed in one die, the consistency and precision of the processing are also guaranteed, improving the quality and stability of the product.

[0027] In the punching guide hole station, the upper die assembly 4 includes a punching upper die 401 and a rib upper die 402. The lower die base 1 is provided with a punching bottom die and a rib bottom die. After the lower die base 1 and the upper die base 2 are closed, the punching upper die 401 and the punching bottom die punch guide positioning holes 1201 on the metal sheet substrate 12, and the rib upper die 402 and the rib bottom die punch rib strips 1202 on the metal sheet substrate 12. The guide positioning holes 1201 and the rib strips 1202 are arranged equidistantly on the metal sheet. The edge of the substrate 12 has a guide positioning hole 1201 located in the gap between two convex ribs 1202. Each station is provided with a guide rod corresponding to the guide positioning hole 1201. After the lower mold base 1 and the upper mold base 2 are closed, the guide rod passes through the guide positioning hole 1201. The convex ribs 1202 are located around the product VC sheet cover 11. After the product VC sheet cover 11 is separated from the metal sheet substrate 12, the convex ribs 1202 remain on the metal sheet substrate 12. By punching guide positioning holes 1201 and raised ribs 1202 on the metal sheet substrate 12, the guide positioning holes 1201 are used to ensure accurate alignment of the metal sheet substrate 12 at each station, thereby avoiding processing errors caused by misalignment, improving processing accuracy, and ensuring the continuity and stability of subsequent station processing. The raised ribs 1202 are used to prevent the metal sheet substrate 12 from deforming due to stress release during the stamping process. During stamping, the raised ribs 1202 are used to strengthen the edge part of the metal sheet substrate 12, thereby improving its resistance to deformation. After stamping, the raised ribs 1202 remain on the metal sheet substrate 12 and do not affect the structural design of the VC sheet cover 11. Punching the guide positioning holes 1201 and raised ribs 1202 is completed in the same station, reducing production steps and improving production efficiency.

[0028] The upper mold assembly 4 also includes a sprue upper mold 403, an embossing upper mold 404, a full-pack upper mold 405, and a trimming upper mold 406. The lower mold base 1 is provided with a sprue bottom mold, an embossing bottom mold, a full-pack bottom mold, and a trimming bottom mold. After the mold is closed, the sprue upper mold 403 and the sprue bottom mold punch out the VC sheet cover 11 water inlet 1101 on the metal sheet substrate 12. The embossing upper mold 404 and the embossing bottom mold punch out a number of convex points 1102 of the VC sheet cover 11 on the metal sheet substrate 12. The full-pack upper mold 405 and the full-pack bottom mold press and shape the convex points 1102 and the water inlet 1101 of the VC sheet cover 11. The trimming upper mold 406 and the trimming bottom mold separate part of the edge of the VC sheet cover 11 from the metal sheet substrate 12.

[0029] When the die is closed at the trimming station 9, the trimming upper die 406 and the trimming bottom die separate the edge contour of the VC sheet cover 11 near the two side convex ribs 1202 from the metal sheet substrate 12. The two sides of the VC sheet cover 11 near the convex packaging station 8 and the part ejection station 10 are still connected to the metal sheet substrate 12. In the part ejection station 10, the upper die assembly 4 includes a double-sided punching upper die 407, and the lower die base 1 includes a double-sided punching bottom die. After the lower die base 1 and the upper die base 2 are closed, the double-sided punching upper die 407 and the double-sided punching bottom die punch one adjacent end of the two VC sheet covers 11 arranged front and back on the metal sheet substrate 12. After punching, the VC sheet cover 11 away from the trimming station 9 on the part ejection station 10 is completely separated from the metal sheet substrate 12 and ejected, further optimizing the stamping process. By combining the double-sided punching upper die 407 and the double-sided punching bottom die, it is possible to cut the edges of two VC sheet lower covers arranged in front and behind each other in one punching. The front and rear cutting edges of the VC sheet lower covers are achieved through the same set of dies.

[0030] The upper die 404 for punching embossing includes several pressure rods 4041. The lower die for punching embossing is provided with pressure grooves corresponding to the pressure rods 4041. The end of the pressure rod 4041 near the processing channel can cooperate with the pressure groove and punch out protrusions 1102 on the metal sheet substrate 12. After the die is worn, the pressure rods 4041 can be disassembled and the pressure rods 4041 with large wear can be replaced individually, reducing maintenance costs and eliminating the need to repair the entire die.

[0031] The lower die assembly 3 also includes a guide plate 301 and a floating block 302. The guide plates 301 are symmetrically arranged on the lower die base 1, forming a processing channel between the two symmetrically arranged guide plates 301. The floating block 302 is disposed in the processing channel, which helps to guide the metal sheet substrate 12 smoothly through each station during the stamping process, while reducing the deformation and damage of the material during the stamping process. The combined use of the guide plate 301 and the floating block 302 can further improve the accuracy and stability of stamping, ensuring the quality and performance of the final product.

[0032] Stamping process: The long strip of metal substrate 12 is inserted into the processing channel through the feeding mechanism. At the punching and ribbing station 5, the metal substrate 12 is punched with guide positioning holes 1201 and raised ribs 1202. After completion, the feeding mechanism pushes the metal substrate 12 forward. At the sprue punching station 6, the metal substrate 12 punches sprue holes 1101 on the lower cover of the formed VC sheet. After completion, it enters the embossing station 7. At the embossing station 7, several raised dots 1102 are punched on the surface of the metal substrate 12. After embossing, it enters the embossing station 8. The embossing station 8 emboses the surface of the metal substrate 12. The protrusion 1102 and the water inlet 1101 are shaped to ensure that the protrusion 1102 and the water inlet 1101 of the VC sheet under cover have the same shape. Then, it enters the edge cutting station 9. The edge cutting station 9 separates the two sides of the VC sheet under cover near the edge of the metal sheet substrate 12 from the metal sheet substrate 1212. Finally, it is stamped twice more at the parting station 10. The first time, the end of the VC sheet under cover away from the edge cutting station 9 is cut off from the metal sheet substrate 12. The second time, the end of the VC sheet under cover near the edge cutting station 9 is cut off from the metal sheet substrate 12, so that the VC sheet under cover is completely separated from the metal sheet substrate 12 and the parting is completed.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A horizontal stamping die for producing VC sheet caps, comprising a lower die base and an upper die base, wherein a lower die assembly is provided at one end of the lower die base near the upper die base, and an upper die assembly corresponding to the lower die assembly is provided at one end of the upper die base near the lower die base, characterized in that: The lower module is provided with punching and rib-forming stations, sprue-forming stations, embossing stations, embossing stations, edge-trimming stations, and part-exit stations in sequence. The lower module is provided with a processing channel for the metal sheet substrate to pass through. The metal sheet substrate for processing and production enters the processing channel through the feeding mechanism and passes through the punching and rib-forming stations, sprue-forming stations, embossing stations, embossing stations, edge-trimming stations, and part-exit stations in sequence. In the punching guide hole station, the upper die set includes a punching upper die and a rib upper die, and the lower die set is equipped with a punching bottom die and a rib bottom die. After the lower die set and the upper die set are closed, the punching upper die and the punching bottom die punch out guide positioning holes on the metal sheet substrate, and the rib upper die and the rib bottom die punch out rib strips on the metal sheet substrate. The guide positioning holes and rib strips are arranged at equal intervals on the edge of the metal sheet substrate. The guide positioning holes are located in the interval between the two rib strips. Each station is equipped with a guide rod corresponding to the guide positioning hole. After the lower die set and the upper die set are closed, the guide rod passes through the guide positioning hole strip. The rib strips are set around the top cover of the product VC sheet. After the top cover of the product VC sheet is separated from the metal sheet substrate, the rib strips remain on the metal sheet substrate.

2. The horizontal stamping die for producing VC sheet caps according to claim 1, characterized in that: The upper mold assembly also includes a sprue upper mold, a embossing upper mold, a full-pack upper mold, and a trimming upper mold. The lower mold base is provided with a sprue bottom mold, an embossing bottom mold, a full-pack bottom mold, and a trimming bottom mold. After the mold is closed, the sprue upper mold and the sprue bottom mold punch out the VC sheet top cover water inlet on the metal sheet substrate. The embossing upper mold and the embossing bottom mold punch out several embossed points of the VC sheet top cover on the metal sheet substrate. The full-pack upper mold and the full-pack bottom mold press and shape the embossed points and water inlet of the VC sheet top cover. The trimming upper mold and the trimming bottom mold separate part of the edge of the VC sheet top cover from the metal sheet substrate.

3. The horizontal stamping die for producing the top cover of a VC sheet according to claim 2, characterized in that: When the mold is closed at the trimming station, the upper trimming mold and the lower trimming mold separate the edge contour of the VC sheet cover near the two side convex ribs from the metal sheet substrate. The two sides of the VC sheet cover near the full convex packaging station and the part ejection station are still connected to the metal sheet substrate.

4. The horizontal stamping die for producing VC sheet caps according to claim 3, characterized in that: In the part-making station, the upper mold assembly includes a double-sided punching upper mold, and the lower mold base includes a double-sided punching bottom mold. After the lower mold base and the upper mold base are closed, the double-sided punching upper mold and the double-sided punching bottom mold punch one end of the two VC sheet covers arranged in front and behind on the metal sheet substrate. After punching, the VC sheet covers far from the cutting edge station in the part-making station are completely separated from the metal sheet substrate and removed from the part.

5. The horizontal stamping die for producing VC sheet caps according to claim 2, characterized in that: The upper die for punching embossing includes several pressure bars, and the lower die for punching embossing is provided with pressure grooves corresponding to the pressure bars. The end of the pressure bar near the processing channel can cooperate with the pressure groove to punch embossing on the metal sheet substrate.

6. The horizontal stamping die for producing VC sheet caps according to any one of claims 1-5, characterized in that: The lower module also includes a guide plate and a floating block. The guide plates are symmetrically arranged on the lower mold base, and a processing channel is formed between the two symmetrically arranged guide plates. The floating block is placed in the processing channel.

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