Stamping mechanism for part flanging machining
By designing a stamping mechanism with specific protrusions and groove structures, allowing the material to move to both sides to a greater extent during stamping, the problem of unfull fillets in the prior art is solved, and the quality of material molding after stamping is improved.
Patent Information
- Application Number
- CN202421987169.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-15
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-15
AI Technical Summary
In the prior art, the surfaces of the material after stamping are all flat, and the amount of material moving to both sides during stamping is small, resulting in the rounded corners being not full, affecting the processing of the subsequent process.
A stamping mechanism for flange processing of parts is designed, including an upper molding stamping head, a lower molding mold and a lower molding block. There is a lower protruding block and a curved protrusion on the top of the lower molding block, and an upper protruding block and a curved recess at the bottom of the upper molding stamping head, allowing the material to move more to both sides during stamping.
By increasing the lateral movement of the material during stamping, the rounded corners are formed more full, which improves the quality of the subsequent process and solves the problem of insufficient rounded corners.
Smart Images
Figure CN222985390U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of stamping heads, and more specifically, to a stamping mechanism for flanging parts processing. Background Art
[0002] On the flat or curved surface part of a blank, the forming method of making it form a straight wall or flange with a certain angle along a closed or unclosed curve edge by the action of a mold is called flanging. Flanged workpieces can be divided into internal hole flanging and outer edge flanging. The main deformation of internal hole flanging is that the blank is subjected to tangential and radial tension, and the closer to the hole edge, the greater the deformation. Therefore, the failure of internal hole flanging is often edge cracking, and whether it cracks mainly depends on the magnitude of the tensile deformation. Outer edge flanging: The deformation nature and stress state in the deformation zone of outward convex outer edge flanging are the same as those of shallow drawing without a blank holder. The main stress in the deformation zone is tangential compressive stress, and the material is prone to wrinkling during the deformation process; for inward concave outer edge flanging, its characteristics are similar to those of internal hole flanging, and the main deformation in the deformation zone is tangential tensile deformation, and the edge of the material is prone to cracking during the deformation process. From the perspective of deformation nature, the outer edge flanging of complex-shaped parts is a combination of bending, drawing, internal hole flanging, etc.
[0003] In the prior art, when the stamping head used for flanging stamping is in use, after the upper forming punch and the lower forming block stamp the metal material, the surface of the material after stamping is flat, and the amount of the material moving to both sides during stamping is small, resulting in an incomplete phenomenon at the rounded corners, which affects the processing of subsequent processes.
[0004] Therefore, we make improvements on this and propose a stamping mechanism for flanging parts processing. Summary of the Utility Model
[0005] The purpose of the utility model is to address the current problem that after the upper forming punch and the lower forming block stamp the metal material, the surface of the material after stamping is flat, and the amount of the material moving to both sides during stamping is small, resulting in an incomplete phenomenon at the rounded corners, which affects the processing of subsequent processes.
[0006] In order to achieve the above-mentioned utility model purpose, the utility model provides the following technical solutions:
[0007] A stamping mechanism for flanging parts processing to improve the above problems.
[0008] Specifically, this application is as follows:
[0009] It includes an upper forming punch, a lower forming die, and a lower forming block. The lower forming block is fixedly installed inside the lower forming die. The upper forming punch is arranged above the lower forming block. An upper convex block is integrally formed at the bottom of the upper forming punch, and a curved surface groove portion is formed between the upper convex block and the upper forming punch. An arc-shaped convex portion is integrally formed between the lower convex block and the lower forming block.
[0010] As a preferred technical solution of this application, the lower convex block is an arc-shaped convex.
[0011] As a preferred technical solution of this application, the upper convex block is an arc-shaped convex.
[0012] As a preferred technical solution of this application, a guiding groove is formed at the port of the lower forming die.
[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0014] In the solution of this application:
[0015] 1. An arc-shaped convex portion is integrally formed between the lower forming block and the lower convex block, and a curved surface groove portion is formed between the upper forming punch and the upper convex block. Therefore, the material to be punched can move more to both sides during punching, which will make the rounded corners of the material more plump after punching, facilitating the processing of subsequent processes. It solves the problem that after the upper forming punch and the lower forming block in the prior art punch the metal material, the surface of the material after punching is flat, and the amount of movement of the material to both sides during punching is small, resulting in an uneven phenomenon at the rounded corners and affecting the processing of subsequent processes. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic structural diagram of a stamping mechanism for part flanging processing provided by this application;
[0017] Figure 2 It is a schematic sectional structural diagram of a stamping mechanism for part flanging processing provided by this application;
[0018] Figure 3 It is a schematic internal structural diagram of the lower forming die of a stamping mechanism for part flanging processing provided by this application;
[0019] Figure 4 It is a schematic sectional structural diagram of the lower forming die and the lower forming block of a stamping mechanism for part flanging processing provided by this application;
[0020] Figure 5 It is a schematic structural diagram of the lower forming block of a stamping mechanism for part flanging processing provided by this application;
[0021] Figure 6Schematic diagram of the upper forming stamping head structure of the stamping mechanism for part flanging processing provided by this application;
[0022] Figure 7 Schematic cross-sectional structure diagram of the stamping head and the lower forming block before improvement provided by this application;
[0023] Figure 8 Schematic diagram of the internal structure of the lower forming die before improvement provided by this application;
[0024] Figure 9 Schematic diagram of the lower forming block structure before improvement provided by this application.
[0025] Labels in the figure:
[0026] 1. Upper forming stamping head; 2. Lower forming die; 3. Lower forming block; 4. Lower convex block; 5. Arc convex part; 6. Guide groove; 7. Upper convex block; 8. Arc groove part; 9. Metal material. Specific implementation manners
[0027] To make the purposes, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model.
[0028] Therefore, the following detailed description of the embodiments of the present utility model is not intended to limit the scope of the present utility model claimed, but merely represents some embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.
[0029] It should be noted that, without conflict, the embodiments in the present utility model and the features and technical solutions in the embodiments may be combined with each other.
[0030] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0031] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the invention product is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. Such terms are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the present utility model. In addition, terms such as "first" and "second" are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.
[0032] Embodiment:
[0033] As Figures 1-6 shown, this embodiment provides a stamping mechanism for flanging processing of parts, including an upper forming stamping head 1, a lower forming die 2, and a lower forming block 3. The lower forming block 3 is fixedly installed in the lower forming die 2, and the upper forming stamping head 1 is arranged above the lower forming block 3. It is characterized in that a lower convex block 4 is integrally formed on the top of the lower forming block 3, and a curved surface convex part 5 is integrally formed between the lower convex block 4 and the lower forming block 3. An upper convex block 7 is integrally formed at the bottom of the upper forming stamping head 1, and a curved surface groove part 8 is formed between the upper convex block 7 and the upper forming stamping head 1. When the upper forming stamping head 1 moves downward for stamping, due to the integral formation of the curved surface convex part 5 between the lower forming block 3 and the lower convex block 4 and the formation of the curved surface groove part 8 between the upper forming stamping head 1 and the upper convex block 7, the material to be stamped can move more to both sides during stamping, so that the rounded corners of the material after stamping will be more plump, which is beneficial to the subsequent process.
[0034] In order to make the rounded corners of the metal material 9 after stamping more plump, the lower convex block 4 is a curved surface convex.
[0035] In order to make the rounded corners of the metal material 9 after stamping more plump, the upper convex block 7 is a curved surface convex.
[0036] For, a guiding groove 6 is formed at the port of the lower forming die 2.
[0037] Specifically, when this stamping mechanism for flanging processing of parts is in use: place the metal material 9 to be flanged and stamped on the lower forming die 2. When the upper forming stamping head 1 moves downward for stamping, due to the integral formation of the curved surface convex part 5 between the lower forming block 3 and the lower convex block 4 and the formation of the curved surface groove part 8 between the upper forming stamping head 1 and the upper convex block 7, the material to be stamped can move more to both sides during stamping, so that the rounded corners of the material after stamping will be more plump, which is beneficial to the subsequent process.
[0038] All technical features in this embodiment can be freely combined according to actual needs.
[0039] The above embodiments are preferred implementation solutions of the present utility model. In addition, the present utility model can also be implemented in other ways. Any obvious substitution without departing from the concept of the technical solution is within the protection scope of the present utility model.
Claims
1. A punching mechanism for flanging parts, comprising an upper forming punch head (1), a lower forming die (2), and a lower forming block (3), wherein the lower forming block (3) is fixedly installed in the lower forming die (2), and the upper forming punch head (1) is arranged above the lower forming block (3), characterized in that: The top of the lower forming block (3) is integrally formed with a lower protruding block (4), a curved surface protruding portion (5) is integrally formed between the lower protruding block (4) and the lower forming block (3), and the bottom of the upper forming punch head (1) is integrally formed with an upper protruding block (7), and a curved surface groove portion (8) is provided between the upper protruding block (7) and the upper forming punch head (1).
2. A punching mechanism for flanging parts according to claim 1, characterized in that: The lower raised block (4) is a curved raised block.
3. A punching mechanism for flanging parts according to claim 1, characterized in that: The upper raised block (7) is a curved raised block.
4. A punching mechanism for flanging parts according to claim 1, characterized in that: A guide groove (6) is provided at the end of the lower molding die (2).