Sheet metal processing technology with reinforced structure and server case bottom plate

By employing three sets of die stamping technology and a fully automated production line, and designing a reinforced metal sheet process, the problems of insufficient strength and difficulty in controlling the flatness of traditional chassis base plates have been solved, enabling efficient production and high-quality server chassis base plates.

CN117259571BActive Publication Date: 2026-04-10DONGGUAN CHANGJIANG COMPUTER PRODUCT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
DONGGUAN CHANGJIANG COMPUTER PRODUCT CO LTD
Filing Date
2023-09-26
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Traditional chassis base plate convex structures are scattered and lack strength, making them unable to effectively support large server components. Manual operation is labor-intensive and difficult to control in terms of quality. Flatness cannot meet requirements, and production adjustments are time-consuming.

Method used

Three sets of molds are used for three stamping processes. A reinforced structure is designed with protruding, horizontal, and vertical stripes connected together. Combined with a fully automated production line and robotic arms, flatness is checked with 3D measuring instruments to ensure the quality of good products.

Benefits of technology

The flatness and strength of the chassis base plate were improved, the degree of deformation was reduced, a more compact cabinet design was achieved, and production efficiency and quality control were improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of cabinets, in particular to a metal plate processing technology with a reinforced structure and a server cabinet bottom plate, which comprises the following steps: step 1, product structure design: when a new product structure is developed and designed, the server cabinet bottom plate is analyzed, the plate size is confirmed, the positions of the cabinet bottom plate needing to increase flatness control are confirmed, and a reinforcing structure is designed; three sets of molds are used for three times of stamping, so that three layers of stamping structures are punched out, the design can make the convex structures, the horizontal strip structures and the longitudinal strip structures be connected with each other, so as to be restricted with each other, the flatness error corresponding to the multiple convex structures (convexes formed by the adjacent two horizontal strip structures and the adjacent two longitudinal strip structures) generated by the whole reinforcing structure can be reduced to a larger extent, and therefore, higher flatness requirements can be achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of machine cases, in particular to a metal plate processing technology with a reinforcing structure and a server machine case bottom plate. BACKGROUND

[0002] At present, in the field of server machine case production, the machine case bottom plate needs to bear more electronic components. When the server is placed in the cabinet in a hierarchical distribution manner, if the bottom plate is deformed downward due to the bearing of electronic components, it will cause the compactness of the cabinet to be reduced in size setting. Therefore, a clever convex structure is designed on the machine case bottom plate to enhance the strength of the machine case bottom plate, so that it is not easy to deform. The traditional setting of the convex structure of the machine case bottom plate is shown in Figure 1 , the convex structure of the machine case bottom plate is dispersed, and the strength is not enough. For a server with a large product size and shape, the traditional convex structure of the machine case bottom plate will not achieve sufficient reinforcement. Moreover, the traditional production and processing rely entirely on manual operation turnover, which consumes a lot of manpower. The manual operation method is not uniform, the product deformation data is not easy to control, the size deformation data test is not accurate in the later stage, the flatness cannot meet the preset requirements, the mold takes too long to adjust each time, and the product quality cannot be guaranteed. The delivery time is not easy to control. Therefore, it is necessary to propose a new technical scheme to solve the above problems. SUMMARY

[0003] The present application is aimed at providing a technical solution to solve the above problems.

[0004] A metal plate processing technology with a reinforcing structure, comprising the following steps:

[0005] Step 1, product structure design: when developing and designing a new product structure, the server machine case bottom plate is analyzed, the plate size is confirmed, and the parts of the machine case bottom plate that need to increase the flatness control are confirmed, and the reinforcing structure is designed.

[0006] Step 2, process product plate: according to the plate size confirmed in step 1, the metal raw material plate is cut into product plate of corresponding size by punching and cutting, and the material is prepared;

[0007] Step 3, mold structure design: according to the reinforcing structure designed in step 1, three sets of molds are designed, the first set of molds is used for overall positive punching of the area corresponding to the reinforcing structure on the product plate, so that the area of the reinforcing structure is overall positive protruding to form a protruding structure; the second set of molds is used for reverse punching of the corresponding protruding structure on the product plate in the form of horizontal strip, so that the protruding structure has a plurality of reverse protruding horizontal strip structures; the third set of molds is used for punching the protruding structure on the product plate in the direction of longitudinal strip, and the punching thickness of the third set of molds is greater than that of the second set of molds, so that the protruding structure has a plurality of direction protruding longitudinal strip structures;

[0008] Step 4, set up full-automatic line: install the three sets of molds on three punching machines respectively, and configure a mechanical arm to achieve full-automatic taking and placing during the plate stamping process; determine the mechanical arm production line suitable for production according to the tonnage requirement of the product mold design stamping, and adjust the production according to the engineering tonnage of the mold design;

[0009] Step 5, punch out reinforcing structure: place the product plate prepared in step 2 into the first set of molds through the mechanical arm to punch out the overall positive protruding reinforcing structure area; then take and place it into the second set of molds through the mechanical arm to punch out the horizontal strip structure, and then take and place it into the third set of molds through the mechanical arm to punch out the longitudinal strip structure;

[0010] Step 6, product detection: design a load profile according to the load bearing degree of the reinforcing structure area corresponding to the server, detect the flatness of the product plate through 3D measuring instruments combined with the load profile according to the product structure design requirement, take out the product plate meeting the product structure design requirement as a good product for use, and take out the product plate not meeting the product structure design requirement as a defective product for recycling.

[0011] Preferably, the plurality of horizontal strip structures are arranged at equal distances, and the two ends of the horizontal strip structure coincide with the two sides of the reinforcing structure area respectively.

[0012] Preferably, the distance between the two adjacent horizontal strip structures is consistent with the width of the horizontal strip structure.

[0013] Preferably, the plurality of longitudinal strip structures are arranged at equal distances, and the two ends of the longitudinal strip structure are spaced apart from the front and rear sides of the reinforcing structure area respectively.

[0014] Preferably, the distance between the two adjacent longitudinal strip structures is greater than the width of the longitudinal strip structure.

[0015] Preferably, the flatness tolerance of the product plate in step 6 is controlled within 0.8mm.

[0016] A server chassis bottom plate comprises a product plate processed by the above-mentioned metal plate processing technology with a reinforcing structure, and the product plate serves as the server chassis bottom plate.

[0017] Compared with the prior art, the present application has the following advantages:

[0018] Three sets of molds are used to perform three times of stamping to punch out a three-layer stamping structure, which can connect the convex structure, the horizontal strip structure and the vertical strip structure to each other to restrict each other, so that the flatness error corresponding to the multiple convex structures (convexes enclosed by two adjacent horizontal strip structures and two adjacent vertical strip structures) generated by the reinforcing structure can be reduced to a greater extent to meet higher flatness requirements, and the mutual restriction between the convex structure, the horizontal strip structure and the vertical strip structure can further improve the strength of the reinforcing structure, so that when the reinforcing structure is applied to the server chassis bottom plate, the server chassis bottom plate can better bear the components in the server and reduce the degree of the server chassis bottom plate being concave, so that the design of the cabinet can be more compact.

[0019] Additional aspects and advantages of the application will be described in the following description, will become apparent from the following description, or will be learned by practice of the application. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only show some embodiments of the present application, and those skilled in the art can obtain other drawings according to these drawings without creative labor.

[0021] Figure 1 is a structural schematic diagram of the prior art of the present application;

[0022] Figure 2 is a structural schematic diagram of the present application;

[0023] Figure 3 is a process flow block diagram of the present application.

[0024] The reference signs and names in the drawings are as follows:

[0025] Convex structure 1, horizontal strip structure 2, vertical strip structure 3. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.

[0027] Please refer to Figures 2-3 In the embodiments of the present application, a metal plate processing technology with a reinforcing structure can effectively achieve product flatness control and meet the needs of customer or product structure design by a processing mode of product structure optimization, mold structure design, production process adjustment and measurement equipment auxiliary confirmation. The processing mode comprises the following steps.

[0028] Step 1, product structure design: when developing and designing a new product structure, the server case bottom plate is analyzed, the plate size is confirmed, and the part of the case bottom plate that needs to increase flatness control is confirmed, and the reinforcing structure is designed.

[0029] Step 2, processing product plate: according to the plate size confirmed in step 1, the metal raw material plate is cut into product plates of corresponding sizes by punching and is prepared;

[0030] Step 3, mold structure design: according to the reinforcing structure designed in step 1, three sets of molds are designed, the first set of molds is used to punch the area corresponding to the reinforcing structure on the product plate in an overall forward direction, so that the area of the reinforcing structure is overall forwardly protruded to form a protruding structure 1; the second set of molds is used to punch the corresponding protruding structure 1 on the product plate in a horizontal strip-shaped reverse direction, so that the protruding structure 1 has a plurality of reverse protruding horizontal strip-shaped structures 2; the third set of molds is used to punch the protruding structure 1 on the product plate in a vertical strip-shaped direction, and the punching thickness of the third set of molds is greater than that of the second set of molds, so that the protruding structure 1 has a plurality of directionally protruding vertical strip-shaped structures 3.

[0031] Step 4, setting up a full-automatic line: the three sets of molds are respectively installed on three punching machines, and a mechanical arm is configured to achieve full-automatic taking and placing in the plate stamping process; the tonnage requirement of the product mold design is determined to determine the mechanical arm production line suitable for production, and the tonnage of the mold design is adjusted for production;

[0032] Step 5, punching out the reinforcing structure: the product plate prepared in step 2 is placed into the first set of molds by the mechanical arm to punch out the overall forwardly protruding reinforcing structure area; then the product plate is taken and placed into the second set of molds by the mechanical arm to punch out the horizontal strip-shaped structure 2, and then the product plate is taken and placed into the third set of molds by the mechanical arm to punch out the vertical strip-shaped structure 3.

[0033] Step 6, product detection: according to the load profile designed by the server corresponding to the bearing degree of the reinforced structure area, according to the product structure design requirement, the flatness of the product plate is detected by the 3D measuring instrument combined with the load profile, the product plate meeting the product structure design requirement is taken out as a good product for use, and the product plate not meeting the product structure design requirement is taken as a bad product for recycling.

[0034] The product plate finished product produced by the above technical solution is punched three times by using three sets of molds to punch out a three-layer punching structure. The first set of molds is used to punch the area of the product plate that needs to be reinforced as a whole, so that the reinforced area forms a positive protruding structure 1. The second set of molds is used to punch the protruding structure 1 to form a horizontal strip structure 2 with multiple strips and arranged at equal distances. In addition, the horizontal strip structure 2 is coincided with the left and right sides of the protruding structure 1 at both ends, so that a connecting structure is formed between the protruding structure 1 and the horizontal strip structure 2. The distance between the adjacent two horizontal strip structures 2 is consistent with the width of the horizontal strip structure 2, which ensures that the horizontal bending is not easy to deform. The third set of molds is used to punch the protruding structure 1 again to form a vertical strip structure 3 with multiple strips and arranged at equal distances. The punching thickness of the third set of molds is greater than that of the second set of molds, so that a connecting structure is formed between the horizontal strip structure 2 and the vertical strip structure 3. In addition, the multiple vertical strip structures 3 are arranged at equal distances, and the two ends of the vertical strip structure 3 are respectively spaced apart from the front and rear sides of the area of the reinforced structure. The distance between the adjacent two vertical strip structures 3 is greater than the width of the vertical strip structure 3.

[0035] The design can connect the protruding structure 1, the horizontal strip structure 2 and the vertical strip structure 3, so as to restrict each other, so that the flatness error corresponding to the multiple convex structures (convexes enclosed by the adjacent two horizontal strip structures 2 and the adjacent two vertical strip structures 3) generated by the entire reinforced structure can be reduced to a greater extent, so as to achieve higher flatness requirements. The flatness tolerance of the traditional process can only reach within 1.8 mm, while the flatness tolerance of the process of the embodiment can reach within 0.8 mm. The mutual restriction between the protruding structure 1, the horizontal strip structure 2 and the vertical strip structure 3 can further improve the strength of the reinforced structure, so that when it is applied to the server chassis bottom plate, it can better bear the components in the server, reduce the degree of downward protrusion of the chassis bottom plate, and make the design of the cabinet more compact.

[0036] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. A sheet metal processing process with reinforcement structure, characterized by, Comprising the following steps: Step 1, product structure design: when developing and designing a new product structure, the server case bottom plate is analyzed, the plate size is confirmed, and the parts of the case bottom plate that need to increase the flatness control are confirmed, and the reinforcing structure is designed; Step 2, processing product plate: according to the plate size confirmed in step 1, the metal raw material plate is cut into product plates of corresponding size by punching and is prepared; Step 3, mold structure design: according to the reinforcing structure designed in step 1, three sets of molds are designed, the first set of molds is used to punch the corresponding reinforcing structure area on the product plate in a whole positive direction, so that the reinforcing structure area is positively protruded as a protruding structure; the second set of molds is used to punch the corresponding protruding structure on the product plate in a horizontal strip-shaped reverse direction, so that the protruding structure has a plurality of reverse protruding horizontal strip-shaped structures; the third set of molds is used to punch the protruding structure on the product plate in a vertical strip-shaped structure, and the punching thickness of the third set of molds is greater than that of the second set of molds, so that the protruding structure has a plurality of protruding vertical strip-shaped structures; Step 4, setting up a full-automatic line: the three sets of molds are respectively installed on three punching machines, and a mechanical arm is configured to achieve full-automatic taking and placing during plate punching; according to the tonnage requirement of the product mold design, a mechanical arm production line suitable for production is determined, and production adjustment is made according to the engineering tonnage of the mold design; Step 5, punching out the reinforcing structure: the product plate prepared in step 2 is placed into the first set of molds by the mechanical arm to punch out the whole positive protruding reinforcing structure area; then it is taken out by the mechanical arm and placed into the second set of molds to punch out the horizontal strip-shaped structure, and then it is taken out by the mechanical arm and placed into the third set of molds to punch out the vertical strip-shaped structure, the whole reinforcing structure produces a plurality of convex hull structures, and the convex hull structure is enclosed by two adjacent horizontal strip-shaped structures and two adjacent vertical strip-shaped structures; Step 6, product detection: according to the load profile of the corresponding reinforcing structure area of the server, the flatness of the product plate is detected by a 3D measuring instrument combined with the load profile, and the product plate meeting the product structure design requirement is taken out as a good product for use, and the product plate not meeting the product structure design requirement is taken out as a bad product for recycling.

2. The sheet metal processing process with reinforcement structure according to claim 1, characterized in that, The plurality of horizontal strip-shaped structures are arranged at equal distances, and the two ends of the horizontal strip-shaped structure coincide with the two sides of the reinforcing structure area respectively.

3. The sheet metal processing process with reinforcement structure according to claim 2, characterized in that, The distance between the two adjacent horizontal strip-shaped structures is consistent with the width of the horizontal strip-shaped structure.

4. The sheet metal processing process with reinforcement structure according to claim 1, characterized in that, The plurality of vertical strip-shaped structures are arranged at equal distances, and the two ends of the vertical strip-shaped structure are spaced apart from the front and rear sides of the reinforcing structure area respectively.

5. The sheet metal processing process with reinforcement structure according to claim 4, characterized in that, The distance between the two adjacent vertical strip-shaped structures is greater than the width of the vertical strip-shaped structure.

6. The sheet metal fabrication process with reinforcement structure of claim 1, wherein, The flatness tolerance of the product plate in step 6 is controlled within 0.8mm.

7. A server chassis backplane, comprising: The product plate processed by the metal plate processing process of any one of claims 1-6, which is used as a server case bottom plate. The product plate processed by the metal plate processing process of any one of claims 1-6, which is used as a server case bottom plate.

Citation Information

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