Stamping anti-warping supporting structure of mobile phone shielding case
By employing a multi-component collaborative stamping anti-warping support structure, which uses staged limiting and negative pressure adsorption, the problem of warping deformation in traditional stamping processes is solved, achieving high-precision forming of mobile phone shielding covers.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- KUN SHAN GAOCHANG MASCH TECH CO LTD
- Filing Date
- 2025-08-04
- Publication Date
- 2026-05-05
AI Technical Summary
Traditional stamping processes cause stress concentration at the edges of mobile phone shielding covers, resulting in warping deformation and affecting product precision and yield.
The stamping anti-warping support structure adopts multi-component collaborative operation, including a frame shaping frame, electric push rod and stamping mechanism. Through staged limiting and negative pressure adsorption, stress is dispersed, and stress concentration is eliminated by secondary shaping treatment of the edges.
It significantly improves the flatness and molding precision of mobile phone shielding covers, reduces the risk of warping, and enhances the practicality of the product.
Smart Images

Figure CN224195704U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of mobile phone component processing technology, specifically to a stamped anti-warping support structure for a mobile phone shielding cover. Background Technology
[0002] In the production process of mobile phone shielding covers, the stamping process easily leads to stress concentration at the edges of the workpiece, resulting in warping deformation and affecting product accuracy and yield. Traditional stamping processes typically use a single punch for direct forming, lacking staged limiting and anti-warping designs, resulting in uneven stress on the workpiece and easy deformation of the finished product. To address this, a stamping anti-warping support structure for mobile phone shielding covers is proposed. Utility Model Content
[0003] The purpose of this utility model is to address the defects and shortcomings of the existing technology by providing a stamped anti-warping support structure for mobile phone shielding, which achieves staged stamping, disperses stress, reduces the risk of warping, and improves practicality; the secondary shaping of the workpiece edge after stamping further eliminates stress concentration and significantly improves the flatness and forming accuracy of the mobile phone shielding.
[0004] To achieve the above objectives, the present invention adopts the following technical solution:
[0005] It includes an operating table; it also includes: several frame shaping frames, each set on the operating table, the shape formed by the frame shaping frames being consistent with the shape of a mobile phone shield; several electric push rods, the movable end of which is connected to the frame shaping frame, and the electric push rods are connected to an external power source; and a stamping mechanism, which is set on the operating table.
[0006] Preferably, the stamping mechanism comprises:
[0007] A support rod, fixed to the right side of the operating table, is arranged in an "L" shape. A mounting plate is fixed to the bottom of the upper end of the support rod. Several electric push rods are fixed to the bottom of the mounting plate, each connected to an external power source. A punch, a frame-shaped punch, is fixed to the mounting plate via a rod. A punch, located inside the punch, is fixed to the bottom of the mounting plate and is connected to an external power source. The movable end of the electric push rod is fixed to the punch.
[0008] Preferably, several limiting plates are respectively set between the frame plastic frame, and a No. 4 electric push rod is provided on the outside of the limiting plate. The No. 4 electric push rod is fixed to the operating table by the bracket and is connected to an external power supply; the No. 4 electric push rod located on the right side is movably inserted into the support rod.
[0009] Preferably, a limiting groove is provided in the middle of the operating table, and the depth of the limiting groove is lower than the height of the mobile phone shielding cover.
[0010] Preferably, a conical groove is provided at the bottom of the limiting groove, and an air pump is fixed at the bottom of the operating table. The air pump is connected to an external power source.
[0011] Preferably, the No. 5 electric push rod is fixed to the bottom of the operating table by a bracket, and the No. 5 electric push rod is connected to an external power source; the No. 3 mounting plate is fixed on the movable end of the No. 5 electric push rod, and several top rods are fixed on the upper surface of the No. 3 mounting plate, and the top rods are movably inserted into the operating table and the limiting groove.
[0012] Compared with the prior art, the beneficial effects of this utility model are:
[0013] 1. It is equipped with a stamping mechanism to achieve staged stamping, disperse stress, reduce the risk of warping, and improve practicality;
[0014] 2. Secondary shaping of the edges of the stamped workpiece further eliminates stress concentration and significantly improves the flatness and forming accuracy of the mobile phone shield. Attached Figure Description
[0015] Figure 1 This is a schematic diagram of the structure of this utility model.
[0016] Figure 2 This is the southwest isometric view of this utility model.
[0017] Figure 3 yes Figure 2 Enlarged view of part A in the image.
[0018] Figure 4 This is a structural schematic diagram of punch number one and punch number two in this utility model.
[0019] Explanation of reference numerals in the attached drawings: 1. Operating table; 2. Limiting frame; 3. Electric push rod No. 1; 4. Punching mechanism; 4-1. Support rod; 4-2. Mounting plate No. 1; 4-3. Electric push rod No. 2; 4-4. Punch No. 1; 4-5. Punch No. 2; 4-6. Electric push rod No. 3; 4-7. Limiting plate; 5. Electric push rod No. 4; 6. Limiting groove; 7. Conical groove; 8. Air pump; 9. Electric push rod No. 5; 10. Mounting plate No. 3; 11. Top rod; 12. Detailed Implementation
[0020] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. The preferred embodiments described are only examples. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0021] The specific implementation method adopts the following technical solution: Example 1
[0022] Please see Figure 1-4 This embodiment 1 includes an operating table 1;
[0023] It also includes: a frame shaping frame 2, of which there are several frame shaping frames 2, each set on the operating table 1, the shape formed by the several frame shaping frames 2 is consistent with the shape of the mobile phone shielding cover; a first electric push rod 3, of which there are several first electric push rods 3, the movable end of which is connected to the frame shaping frame 2, the first electric push rod 3 is connected to an external power supply, and the specific model of the first electric push rod 3 is purchased, installed and used directly from the market according to actual use requirements;
[0024] The stamping mechanism 4 is mounted on the operating table 1 and includes:
[0025] Support rod 4-1 is fixed on the right side of the operating table 1. The support rod 4-1 is arranged in an "L" shape. A first mounting plate 4-2 is fixed to the bottom of the upper end of the support rod 4-1. Several second electric push rods 4-3 are fixed to the bottom of the first mounting plate 4-2. The second electric push rods 4-3 are connected to an external power source. A second mounting plate 4-4 is fixed to the bottom of the second electric push rods 4-3. The specific model of the second electric push rods 4-3 is purchased and installed directly from the market according to the actual use requirements.
[0026] Punch No. 4-5 is a frame structure and is fixed to Mounting Plate No. 2 4-4 by a rod.
[0027] Punch No. 2 4-6 is located inside Punch No. 1 4-5. The bottom of Mounting Plate No. 2 4-4 is fixed with Electric Push Rod No. 3 4-7 by bolts. Electric Push Rod No. 3 4-7 is connected to an external power source. The specific model of Electric Push Rod No. 3 4-7 is purchased and installed directly from the market according to actual usage requirements. The movable end of Electric Push Rod No. 3 4-7 is fixed to Punch No. 2 4-6.
[0028] The limiting plate 5, there are several limiting plates 5, and they are respectively set between the frame plastic frame 2. The outer side of the limiting plate 5 is provided with a No. 4 electric push rod 6. The No. 4 electric push rod 6 is fixed on the operating table 1 by a bracket. The No. 4 electric push rod 6 is connected to an external power supply. The specific model of the No. 4 electric push rod 6 is purchased directly from the market according to the actual use requirements. The No. 4 electric push rod 6 located on the right side is movably inserted into the support rod 4-1. Example 2
[0029] Please see Figure 1-4 Based on Embodiment 1, a limiting groove 7 is provided in the middle of the operating table 1, and the depth of the limiting groove 7 is lower than the height of the mobile phone shielding cover; a conical groove 8 is provided at the bottom of the limiting groove 7, and an air pump 9 is fixed at the bottom of the operating table 1. The air pump 9 is connected to an external power supply, and the specific model of the air pump 9 is purchased and installed directly from the market according to the actual usage requirements; a No. 5 electric push rod 10 is fixed to the bottom of the operating table 1 by a bracket, and the No. 5 electric push rod 10 is connected to an external power supply. The specific model of the No. 5 electric push rod 10 is purchased and installed directly from the market according to the actual usage requirements; a No. 3 mounting plate 11 is fixed on the movable end of the No. 5 electric push rod 10, and several top rods 12 are fixed on the upper surface of the No. 3 mounting plate 11. The top rods 12 are movably inserted into the operating table 1 and the limiting groove 7.
[0030] When using this utility model, the workpiece is placed on the operating table 1, and the fourth electric push rod 6 is activated to move the limiting plate 5 and initially limit the workpiece. The air pump 9 is activated to create negative pressure between the limiting groove 7 and the workpiece. The second electric push rod 4-3 is activated to press down the first punch 4-5. The first punch 4-5 first punches the edge of the workpiece. Then the third electric push rod 4-7 is activated to press down the second punch 4-6, forming a staged punching, which plays a role in preventing warping. The first electric push rod 3 is activated to move the frame shaping frame 2 to punch and shape the edge of the workpiece, avoiding stress concentration, so that the produced mobile phone shielding cover will not warp.
[0031] Compared with the prior art, the beneficial effects of this utility model are:
[0032] 1. The limit plate 5 is moved by the electric push rod 6, and the negative pressure adsorption generated by the air pump 9 is combined to achieve precise initial positioning of the workpiece and avoid deviation during the stamping process.
[0033] 2. The No. 2 electric push rod 4-3 drives the No. 1 punch 4-5 to punch the edge first, and then the No. 2 punch 4-6 is driven by the No. 3 electric push rod 4-7 to punch in stages, which disperses stress and reduces the risk of warping.
[0034] 3. Adjust the position of the frame shaping frame 2 by using the No. 1 electric push rod 3 to perform secondary shaping on the edge of the stamped workpiece to further eliminate stress concentration;
[0035] 4. Multi-component collaborative operation enables staged stamping and dynamic limiting, significantly improving the flatness and forming accuracy of the mobile phone shield.
[0036] For those skilled in the art, modifications can be made to the technical solutions described in the foregoing embodiments, and equivalent substitutions can be made to some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.
Claims
1. A stamped anti-warping support structure for a mobile phone shielding cover, comprising an operating table (1); characterized in that, It also includes: a frame shaping frame (2), the number of which is several and is respectively set on the operating table (1), the shape formed by the several frame shaping frames (2) is consistent with the shape of the mobile phone shield; a first electric push rod (3), the number of which is several and its movable end is connected to the frame shaping frame (2), the first electric push rod (3) is connected to an external power source; and a stamping mechanism (4), the stamping mechanism (4) is set on the operating table (1).
2. The stamping anti-warping support structure for a mobile phone shielding cover according to claim 1, characterized in that: The stamping mechanism (4) includes: a support rod (4-1), which is fixed on the right side of the operating table (1) and has an "L"-shaped structure; a first mounting plate (4-2) is fixed to the bottom of the upper end of the support rod (4-1); several second electric push rods (4-3) are fixed to the bottom of the first mounting plate (4-2), the second electric push rods (4-3) are connected to an external power source, and a second mounting plate (4-4) is fixed to the bottom of the second electric push rods (4-3). Punch No. 1 (4-5), which is a frame structure, is fixed to Mounting Plate No. 2 (4-4) by a rod; Punch No. 2 (4-6), which is located inside Punch No. 1 (4-5), and Mounting Plate No. 2 (4-4) has a bottom fixed with Electric Push Rod No. 3 (4-7), which is connected to an external power source; The movable end of Electric Push Rod No. 3 (4-7) is fixed to Punch No. 2 (4-6).
3. The stamping anti-warping support structure for a mobile phone shielding cover according to claim 2, characterized in that: Several limiting plates (5) are respectively set between the frame plastic frame (2). The outer side of the limiting plate (5) is provided with a No. 4 electric push rod (6). The No. 4 electric push rod (6) is fixed on the operating table (1) by the bracket. The No. 4 electric push rod (6) is connected to the external power supply. The No. 4 electric push rod (6) located on the right side is movably inserted into the support rod (4-1).
4. The stamping anti-warping support structure for a mobile phone shielding cover according to claim 1, characterized in that: A limiting groove (7) is provided in the middle of the operating table (1), and the depth of the limiting groove (7) is lower than the height of the mobile phone shield.
5. The stamping anti-warping support structure for a mobile phone shielding cover according to claim 4, characterized in that: A conical groove (8) is provided at the bottom of the limiting groove (7), and an air pump (9) is fixed at the bottom of the operating table (1). The air pump (9) is connected to an external power source.
6. The stamping anti-warping support structure for a mobile phone shielding cover according to claim 4, characterized in that: The No. 5 electric push rod (10) is fixed to the bottom of the operating table (1) by a bracket and is connected to an external power source. The No. 3 mounting plate (11) is fixed on the movable end of the No. 5 electric push rod (10). Several top rods (12) are fixed on the upper surface of the No. 3 mounting plate (11). The top rods (12) are movably inserted into the operating table (1) and the limiting groove (7).