Stamping die
Through the combined design of threaded rod and spring, the pressure during the demolding process is slowed down in the stamping mold, avoiding damage to the workpiece, solving the problem of excessive pressure during demolding in the prior art, and ensuring the integrity of the workpiece.
Patent Information
- Application Number
- CN202421160370.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-01-17
- Estimated Expiration
- 2034-05-27
AI Technical Summary
When existing stamping molds are released, the pin bars are in direct contact with the die core, causing the die core to bear too much pressure, which can easily cause damage to the workpiece and affect the integrity of the workpiece.
The threaded rod drives the movable part limited by the positioning column to move upwards, and the movable part drives the limiting member to push the hollow column upwards, thereby achieving mold release, using the spring's telescopicity to slow down pressure, and slowly lift it step by step to avoid direct The pressure caused by pushing the template upwards is too high.
It effectively avoids the workpiece being damaged due to excessive pressure during the demolding process, ensures the integrity of the workpiece, and improves the convenience and safety of demolding.
Smart Images

Figure CN222359161U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of stamping dies, in particular to a stamping die. Background Art
[0002] A stamping die is a special process equipment used to process materials into parts during cold stamping. It is called a cold stamping die. Stamping is a pressure processing method that uses a die to apply pressure to the material at room temperature to cause it to separate or plastically deform, thereby obtaining the desired parts.
[0003] As shown in the application document with the prior art publication number CN218611392U, it includes: a bottom shell, the four corners of the top of the bottom shell are fixedly connected with support columns, and the tops of the four support columns are fixedly connected through the top plate; a stamping mechanism installed on the top plate, the stamping mechanism includes a hydraulic cylinder fixedly connected to the top of the top plate, the output end of the hydraulic cylinder is fixedly connected with an upper die seat, and the bottom of the upper die seat is fixedly connected with a die head; a molding mechanism installed on the bottom shell, the molding mechanism includes a lower die seat fixedly connected to the top of the bottom shell and a forward and reverse motor fixedly connected to the bottom of the inner wall of the bottom shell, the output shaft of the forward and reverse motor is fixedly connected with a threaded shaft, the threaded shaft is threadedly connected with a threaded sleeve, and both sides of the threaded sleeve are fixedly connected with connecting rods. It is convenient to eject the workpiece from the die seat after the stamping is completed, thereby effectively avoiding the difficulty of removing the workpiece caused by being stuck in the inner cavity of the die seat, which is convenient for the operation of the staff and improves the stamping efficiency.
[0004] However, in the above technical solution, when demolding, the ejector pin is in direct contact with the mold core, resulting in greater pressure on the mold core. This makes it easy for workpieces with excessively high adhesion to be damaged when they are ejected by excessive pressure, thereby affecting the integrity of the workpiece. Utility Model Content
[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a stamping die, in which a movable part limited by a positioning column is driven to move upward by a threaded rod, and the movable part drives a limiting part pressure spring connected to a connecting part to push the hollow column upward, thereby the template can be ejected to achieve the demolding effect, and with the help of the elasticity of the spring, the pressure can be relieved and the workpiece can be slowly lifted step by step, thereby ensuring the integrity of the workpiece to solve the problems arising in the above-mentioned background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a stamping die, comprising a support table, a die body for stamping and forming a workpiece is provided on the top of the support table, and a functional component for convenient demoulding is provided on the bottom of the support table;
[0007] The functional component includes a support plate installed inside the bottom end of the support platform, a threaded rod is provided on the top of the support plate, the top and bottom ends of the threaded rod are movably connected to the support platform and the side close to the support plate through bearings respectively, the outer thread of the threaded rod is connected to a movable part, a plurality of hollow columns distributed at intervals are provided on the top of the movable part, the top of the hollow column passes through the support platform and extends to the top of the support platform, a limiting part is provided inside the hollow column, a connecting part is installed at the bottom end of the limiting part, and the bottom end of the connecting part passes through the hollow column and is fixed to the top of the movable part, and a spring is provided on the top of the limiting part.
[0008] In a preferred embodiment, the mold body includes a top mold base and a bottom mold base, the top mold base is arranged on the top of the bottom mold base, the bottom mold base is installed on the top of the support platform, and a template is arranged inside the bottom mold base; the top end of the hollow column passes through the bottom mold base and is fixed to the bottom of the template, and the stamping forming of the workpiece can be achieved by the coordinated use of the top mold base and the bottom mold base.
[0009] In a preferred embodiment, a mounting plate is installed on the top of the top die seat, and electric push rods are installed at the four corners of the bottom of the mounting plate. The bottom end of the electric push rod is fixed to the top of the support platform. Through the setting of the mounting plate, the top die seat can be easily installed and fixed. At the same time, with the help of the extension and retraction of the electric push rod, the height of the top die seat can be adjusted, thereby improving the convenience of the staff when stamping the workpiece.
[0010] In a preferred embodiment, a plurality of spaced-apart positioning columns are installed at the bottom of the support platform, and the bottom ends of the positioning columns pass through the movable part and are fixed to the top of the support plate. Through the nested connection of the plurality of positioning columns and the movable part, the positioning columns can limit the movable part, thereby ensuring the stability of the movable part when it moves up and down.
[0011] In a preferred embodiment, a micro motor is installed at the bottom of the support plate, and the output shaft of the micro motor passes through the support plate and is fixed to the bottom end of the threaded rod. Through the connection between the micro motor and the threaded rod, the micro motor can drive the threaded rod to drive the movable parts to move, thereby improving the convenience of the staff in adjusting the hollow column.
[0012] In a preferred embodiment, a protective shell is provided on the outside of the bottom end of the micro motor, and the top end of the protective shell is fixed together with the bottom of the support plate. Through the provision of the protective shell, the outside of the micro motor can be shielded and protected to prevent damage to the micro motor caused by collision and impact.
[0013] Technical effects and advantages of the utility model:
[0014] The threaded rod drives the movable part limited by the positioning column to move upward, and the movable part drives the limiting part connected to the connecting part to press the spring to push the hollow column upward, thereby the template can be ejected to achieve the demoulding effect, and with the help of the elasticity of the spring, it can be avoided that the template is directly pushed upward to cause excessive pressure and damage to the workpiece, and the elasticity of the spring can reduce the pressure and can slowly lift it step by step, thereby ensuring the integrity of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a front view of the support platform of the utility model;
[0017] Figure 3 This is a cross-sectional view of the support platform of the utility model;
[0018] Figure 4 This is a cross-sectional view of the support plate of the utility model;
[0019] Figure 5 It is a cross-sectional view of the hollow column of the utility model.
[0020] The accompanying drawings are marked as follows: 1. support platform; 2. support plate; 3. threaded rod; 4. movable part; 5. hollow column; 6. limit part; 7. connecting part; 8. top mold base; 9. bottom mold base; 10. template; 11. positioning column; 12. micro motor; 13. protective shell; 14. mounting plate; 15. electric push rod; 16. spring. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Refer to the instruction manual Figure 1-5 The utility model provides a stamping die, comprising a support platform 1, a die body for stamping a workpiece is provided on the top of the support platform 1, and a functional component for convenient demoulding is provided on the bottom of the support platform 1;
[0023] like Figure 3-5As shown, the functional component includes a support plate 2 installed inside the bottom end of the support platform 1, a threaded rod 3 is provided on the top of the support plate 2, the top and bottom ends of the threaded rod 3 are movably connected to the support platform 1 and the side close to the support plate 2 through bearings, the threaded rod 3 is externally threadedly connected to a movable part 4, a plurality of hollow columns 5 distributed at intervals are provided on the top of the movable part 4, the top of the hollow column 5 passes through the support platform 1 and extends to the top of the support platform 1, a limiting member 6 is provided inside the hollow column 5, a connecting member 7 is installed at the bottom end of the limiting member 6, and the bottom end of the connecting member 7 passes through the hollow column 5 and is fixed to the top of the movable part 4, and a spring 16 is provided on the top of the limiting member 6.
[0024] like Figure 1-3 As shown, the mold body includes a top mold base 8 and a bottom mold base 9, the top mold base 8 is arranged on the top of the bottom mold base 9, the bottom mold base 9 is installed on the top of the support platform 1, and a template 10 is arranged inside the bottom mold base 9; the top end of the hollow column 5 passes through the bottom mold base 9 and is fixed to the bottom of the template 10. Through the coordinated use of the top mold base 8 and the bottom mold base 9, the stamping forming of the workpiece can be realized, and a mounting plate 14 is installed on the top of the top mold base 8, and electric push rods 15 are installed at the four corners of the bottom of the mounting plate 14, and the bottom end of the electric push rod 15 is fixed to the top of the support platform 1. Through the setting of the mounting plate 14, the top mold base 8 can be easily installed and fixed. At the same time, with the help of the extension and retraction of the electric push rod 15, the height of the top mold base 8 can be adjusted, thereby improving the convenience of the staff when stamping the workpiece.
[0025] like Figure 3 and 4 As shown, a plurality of spaced-apart positioning columns 11 are installed at the bottom of the support platform 1, and the bottom ends of the positioning columns 11 penetrate the movable part 4 and are fixed to the top of the support plate 2. Through the nested connection between the plurality of positioning columns 11 and the movable part 4, the positioning columns 11 can limit the movable part 4, thereby ensuring the stability of the movable part 4 when it moves up and down.
[0026] like Figure 4 As shown, a micro motor 12 is installed at the bottom of the support plate 2, and the output shaft of the micro motor 12 passes through the support plate 2 and is fixed to the bottom end of the threaded rod 3. Through the connection between the micro motor 12 and the threaded rod 3, the micro motor 12 can drive the threaded rod 3 to drive the movable part 4 to move, thereby improving the convenience of the staff to adjust the hollow column 5. A protective shell 13 is provided on the outside of the bottom end of the micro motor 12, and the top of the protective shell 13 is fixed to the bottom of the support plate 2. Through the setting of the protective shell 13, the outside of the micro motor 12 can be shielded and protected to prevent collision and impact from causing damage to the micro motor 12.
[0027] The electric push rod 15 contracts and drives the top die seat 8 on the mounting plate 14 to move downward, so that the top die seat 8 and the bottom die seat 9 can cooperate to perform stamping and forming of the workpiece. After stamping and forming, the electric push rod 15 drives the top die seat 8 on the mounting plate 14 to move upward and separate from the bottom die seat 9.
[0028] During demoulding, the threaded rod 3 is driven to rotate by the micro motor 12, and the threaded rod 3 drives the movable part 4 limited by the positioning column 11 to move upward, and the movable part 4 then drives the nested and movable connecting part 7 and the hollow column 5 up and down, and the connecting part 7 pushes the spring 16 with the help of the limiting part 6 to push the hollow column 5 upward, thereby the template 10 can be ejected to achieve the demoulding effect, and with the help of the elasticity of the spring 16, it can be avoided that the template 10 is directly pushed upward to cause excessive pressure and damage to the workpiece, and the elasticity of the spring 16 can reduce the pressure and can slowly lift up step by step, thereby ensuring the integrity of the workpiece.
[0029] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.
Claims
1. A stamping die, comprising a support platform (1), characterized in that: The top of the support platform (1) is provided with a mold body for stamping and forming a workpiece, and the bottom of the support platform (1) is provided with a functional component for convenient demoulding; The functional component comprises a support plate (2) installed inside the bottom end of the support platform (1); a threaded rod (3) is provided on the top of the support plate (2); the top and bottom ends of the threaded rod (3) are movably connected to the support platform (1) and the side close to the support plate (2) through bearings respectively; the threaded rod (3) is externally threadedly connected to a movable part (4); a plurality of hollow columns (5) are provided at the top of the movable part (4) and are spaced apart; the top ends of the hollow columns (5) penetrate the support platform (1) and extend to the top of the support platform (1); a limiting part (6) is provided inside the hollow column (5); a connecting part (7) is installed at the bottom end of the limiting part (6); the bottom end of the connecting part (7) penetrates the hollow column (5) and is fixed to the top of the movable part (4); a spring (16) is provided at the top of the limiting part (6).
2. A stamping die according to claim 1, characterized in that: The mold body comprises a top mold base (8) and a bottom mold base (9), wherein the top mold base (8) is arranged on the top of the bottom mold base (9), the bottom mold base (9) is installed on the top of the support platform (1), and a template (10) is arranged inside the bottom mold base (9); The top end of the hollow column (5) passes through the bottom mold base (9) and is fixed to the bottom of the mold plate (10).
3. A stamping die according to claim 1, characterized in that: A plurality of spaced positioning columns (11) are installed at the bottom of the support platform (1), and the bottom ends of the positioning columns (11) penetrate the movable part (4) and are fixed to the top of the support plate (2).
4. A stamping die according to claim 1, characterized in that: A micro motor (12) is installed at the bottom of the support plate (2); an output shaft of the micro motor (12) passes through the support plate (2) and is fixed to the bottom end of the threaded rod (3).
5. A stamping die according to claim 4, characterized in that: The bottom end of the micro motor (12) is covered with a protective shell (13), and the top end of the protective shell (13) is fixed to the bottom of the support plate (2).
6. A stamping die according to claim 2, characterized in that: A mounting plate (14) is installed on the top of the top mold base (8), and electric push rods (15) are installed at the four corners of the bottom of the mounting plate (14), and the bottom end of the electric push rod (15) is fixed to the top of the support platform (1).