A shaped side boss stamping die
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUIZHOU ZHENHUA HUALIAN ELECTRONICS
- Filing Date
- 2025-08-20
- Publication Date
- 2026-08-07
AI Technical Summary
[0003]数控车床对外壳进行初步加工后，再采用数控铣床进行二次加工形成凸台结构，数控铣床铣加工是将表面的其他部分的材料铣掉，留有凸台形状材料来形成凸台，铣出凸台的过程容易造成材料浪费，同时生产效率较低
[0015] The beneficial effects of this utility model are as follows: the workpiece is fitted onto the fixed base and the unloading block, the positioning protrusion passes through the positioning hole on the workpiece to position the part where the boss needs to be processed, the upper die base moves down so that the die fits against the surface of the workpiece, and the workpiece fits against the upper end face of the unloading block. As the upper die base gradually presses down, the unloading block moves down, the spring is compressed, and the unloading block gradually contacts the upper end face of the fixed base. The boss punch moves towards the die, and the upper end face of the boss punch extends into the square hole to stamp the workpiece. The boss forming dimension is stable, there is no deformation problem, and the later maintenance is convenient. At the same time, it avoids material waste, thereby reducing production costs and improving production efficiency.
Smart Images
Figure CN224600345U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stamping die technology, and in particular to a stamping die for forming side bosses. Background Technology
[0002] like Figure 5 As shown, the 1463 housing is an exterior component of the rotary switch, with strict dimensional requirements. The 1463 housing is made of aluminum alloy bar stock. Due to the presence of bosses on the part's shape, the original machining process for this part was as follows: using ∅42 bar stock, it was machined on a CNC lathe and then transferred to a CNC milling machine for secondary machining of the bosses.
[0003] After the CNC lathe performs preliminary machining on the outer shell, a CNC milling machine is used for secondary machining to form the boss structure. The CNC milling process removes the material from other parts of the surface, leaving material in the shape of the boss to form the boss. The process of milling the boss can easily lead to material waste and has low production efficiency. Summary of the Invention
[0004] To solve the above-mentioned technical problems, this utility model provides a stamping die for forming side bosses.
[0005] This utility model is achieved through the following technical solution.
[0006] This utility model provides a stamping die for forming a side boss, including an upper die base and a lower die base. The lower end of the upper die base is provided with a die cavity; the upper end of the lower die base is provided with a base, and a fixed seat is installed on the base. A boss punch is installed on the upper end face of the fixed seat; a square hole is opened in the middle of the die cavity, and the boss punch corresponds to the square hole; an auxiliary mechanism is also installed on the upper end face of the fixed seat. The auxiliary mechanism is used to cooperate with the boss punch to perform boss forming on the part.
[0007] Preferably, the auxiliary mechanism includes a discharge block, a spring, and a stabilizing screw. One end of the spring is installed on the upper end face of the fixed seat, and the other end is installed on the lower end face of the discharge block. The discharge block has a mounting hole in the vertical direction. The screw of the stabilizing screw passes through the mounting hole and is threaded to the upper end face of the fixed seat. The end face diameter of the screw of the stabilizing screw is smaller than the diameter of the mounting hole. A connecting hole is opened in the middle position of the discharge block in the vertical direction, and the boss punch is movably inserted in the connecting hole.
[0008] Preferably, the unloading block is semi-cylindrical, with the upper end face of the unloading block being a semi-circular arc surface and the lower end face being a plane.
[0009] Preferably, the fixing base is semi-cylindrical, with the upper end surface of the fixing base being a plane and the lower end surface of the fixing base being a semi-circular arc surface.
[0010] Preferably, the upper end face of the fixed base and the lower end face of the unloading block are arranged opposite each other.
[0011] Preferably, the diameter of the end face of the fixing seat along its length is smaller than the diameter of the end face of the unloading block along its length.
[0012] Preferably, the boss punch is provided with a positioning protrusion.
[0013] Preferably, the lower end of the upper mold base is provided with a guide post, and the lower mold base is provided with a guide hole, with the guide post and the guide hole engaging and fitting together.
[0014] Preferably, a limiting rod is provided on the lower end face of the upper mold base.
[0015] The beneficial effects of this utility model are as follows: the workpiece is fitted onto the fixed base and the unloading block, the positioning protrusion passes through the positioning hole on the workpiece to position the part where the boss needs to be processed, the upper die base moves down so that the die fits against the surface of the workpiece, and the workpiece fits against the upper end face of the unloading block. As the upper die base gradually presses down, the unloading block moves down, the spring is compressed, and the unloading block gradually contacts the upper end face of the fixed base. The boss punch moves towards the die, and the upper end face of the boss punch extends into the square hole to stamp the workpiece. The boss forming dimension is stable, there is no deformation problem, and the later maintenance is convenient. At the same time, it avoids material waste, thereby reducing production costs and improving production efficiency. Attached Figure Description
[0016] Figure 1 This is a cross-sectional view of the front of this utility model; Figure 2 This is a cross-sectional view of the side of this utility model; Figure 3 This utility model is mainly used to show a partial three-dimensional structural diagram of the fixed base, unloading block and boss punch structure; Figure 4 This utility model is mainly used to show a partial three-dimensional structural diagram of a part sleeved on a fixed base and a unloading block; Figure 5 This is a schematic diagram of the structure of this utility model after initial processing; In the diagram: 1-Die handle; 2-Upper die base; 3-Upper backing plate; 4-Upper fixing plate; 5-Die cavity; 6-Guide post; 7-Boss punch; 8-Ejector block; 9-Fixed seat; 10-Stabilizing screw; 11-Base; 12-Fixing screw; 13-Lower fixing plate; 14-Lower backing plate; 15-Lower die base; 16-Spring; 17-Positioning protrusion; 18-Part; 19-Limiting rod; 20-Square hole. Detailed Implementation
[0017] 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.
[0018] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.
[0019] In this embodiment, refer to Figure 1 It includes an upper mold base 2 and a lower mold base 15, which are arranged opposite to each other. The part 18 is located between the upper mold base 2 and the lower mold base 15, and a boss structure is formed on the part 18 by means of stamping forming technology.
[0020] In this implementation, refer to Figure 1 The upper end face of the upper mold base 2 is fixedly connected to the mold handle 1, which facilitates the operation of the upper mold base 2. The lower end face of the upper mold base 2 is fixedly installed with the upper pad 3. The lower end face of the upper pad 3 is also fixedly installed with the upper fixing plate 4. The upper fixing plate 4 has a reserved slot in the middle. The die 5 is engaged in the reserved slot, so that the upper fixing plate 4 can stably install the die 5.
[0021] In this embodiment, refer to Figure 1 The die 5 has a square hole 20 in the middle, which provides space for the stamping die on the lower die base 15 to move.
[0022] In this embodiment, refer to Figure 1 , Figure 2 and Figure 3 A lower pad 14 is installed on the upper end face of the lower mold base 15, and a lower fixing plate 13 is installed on the upper end face of the lower pad 14. A reserved groove is provided in the middle of the lower fixing plate 13. The base 11 is fixedly installed in the reserved groove by fixing screws 12. A fixing seat 9 is fixedly installed on one side of the base 11. The fixing seat 9 is semi-cylindrical, the upper end face of the fixing seat 9 is flat, and the lower end face of the fixing seat 9 is semi-circular.
[0023] A mounting groove is formed on the upper end face of the fixed base 9, and a boss punch 7 is installed in the mounting groove. The boss punch 7 is fixed in the mounting groove by a fixing pin 21. The boss punch 7 is a stamping die for the part. The boss punch 7 corresponds to the square hole 20. The size of the square hole 20 is larger than the size of the boss punch 7, so that the boss punch 7 can pass through the square hole 20. The boss punch 7 is provided with a positioning protrusion 17. After the part 18 is initially processed, a positioning hole is reserved on the surface of the part 18. By passing the positioning protrusion 17 through the positioning hole on the part 18, it is convenient to accurately position the processed part of the part 18.
[0024] In this embodiment, refer to Figure 1 , Figure 2 and Figure 3 An auxiliary mechanism is also installed on the upper surface of the fixed base 9. The auxiliary mechanism is used to cooperate with the boss punch 7 to perform boss machining on the part 18. The auxiliary mechanism includes a stripper block 8, a spring 16, and a retaining screw 10. The stripper block 8 is semi-cylindrical, with a semi-circular arc surface on its upper surface and a flat surface on its lower surface. The upper surface of the fixed base 9 and the lower surface of the stripper block 8 are positioned opposite each other. The diameter of the end face of the fixed base 9 along its length is smaller than the diameter of the end face of the stripper block 8 along its length. A connecting hole is opened vertically in the middle position of the stripper block 8, and the boss punch 7 is movably inserted into the connecting hole. A first limiting groove is opened on the upper surface of the fixed base 9, and a second limiting groove is opened on the lower surface of the stripper block 8. The first limiting groove and the second limiting groove correspond to each other. One end of the spring 16 is fixedly installed in the first limiting groove, and the other end is fixedly installed in the second limiting groove, which facilitates the up and down movement of the stripper block 8. Two sets of corresponding first and second limiting grooves are provided, each set containing a spring 16 to enhance the elastic stability of the spring 16. The unloading block 8 has a mounting hole along the vertical direction. A step is provided within the mounting hole, with the outer end of the step at the upper end and the inner end at the lower end. The screw portion of the stabilizing screw 10 passes through the mounting hole and is threaded to the upper end face of the fixing seat 9. The end face diameter of the screw portion of the stabilizing screw 10 is smaller than the diameter of the mounting hole. When the spring 16 is compressed, the nut portion of the stabilizing screw 10 is located within the mounting hole and separate from the step surface. When the spring 16 is not compressed, the nut portion of the stabilizing screw 10 is located within the mounting hole and in contact with the step surface. The screw portion of the stabilizing screw 10 has a certain distance of movement space within the mounting hole.
[0025] Reference Figure 4The part 18 is fitted onto the fixed base 9 and the stripper block 8, so that the positioning protrusion 17 passes through the positioning hole of the part 18 to achieve the positioning of the part 18. At this time, the inner side of the part 18 is in contact with the upper end face of the stripper block 8, and there is a gap between the inner side of the part 18 and the lower end face of the fixed base 9, which facilitates the extension and retraction of the spring 16. After the part 18 is stamped and formed, the lower die base 15 no longer applies pressure to the part 18. The spring 16 drives the stripper block 8 to move upward through its own elastic force. The stripper block 8 pushes the part 18 to move upward, which facilitates the part 18 to get off the boss punch 7, thus making it easy to remove the part 18.
[0026] In this embodiment, refer to Figure 1 The lower end of the upper mold base 2 is provided with a guide post 6, and the lower mold base 15 is provided with a guide hole. The guide post 6 is engaged with the guide hole. During the downward movement of the upper mold base 2, the guide post 6 is moved into the guide hole to guide the movement of the upper mold base 2.
[0027] In this embodiment, refer to Figure 1 The lower end face of the upper mold base 2 is provided with a limiting rod 19, which is used to limit the docking of the upper mold base 2.
[0028] The working principle of this utility model is as follows: Part 18 is fitted onto the fixed base 9 and the unloading block 8. The positioning protrusion 17 passes through the positioning hole of part 18 to achieve the positioning of part 18. At this time, the inner side of part 18 is in contact with the upper end face of the unloading block 8, and there is a gap between the inner side of part 18 and the lower end face of the fixed base 9. Then, by moving the upper mold base 2, the upper mold base 2 moves towards the lower mold base 15. The guide post 6 moves along the direction of the guide hole to guide the movement of the upper mold base 2, so that the die 5 is in contact with the surface of part 18. The upper mold base 2 is continuously driven to move downward, so that the die 5 is in contact with the surface of part 18. When part 18 is subjected to downward pressure, the stripper block 8 moves towards the fixed seat 9 under pressure, and the spring 16 is compressed until the stripper block 8 and the fixed seat 9 are in contact. The boss punch 7 moves upward relative to the part 18 and moves into the square hole 20. The boss is formed on the part 18 by stamping. After the boss is formed, the upper die seat 2 moves upward and no longer applies pressure to the part 18. The spring 16 is no longer under pressure. The spring 16 pushes the stripper block 8 upward by its own elastic force, causing the part 18 to move upward. The boss punch 7 disengages from the part 18 and the part 18 is removed.
[0029] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the concept of this utility model and the contents of the specification and drawings of this utility model, or direct / indirect applications in other related technical fields, are included within the patent protection scope of this utility model.
Claims
1. A stamping die for forming side bosses, characterized in that: The upper mold base (2) and the lower mold base (15) are provided with a die (5) at the lower end of the upper mold base (2); a base (11) is provided at the upper end of the lower mold base (15); a fixed seat (9) is installed on the base (11); a boss punch (7) is installed on the upper end face of the fixed seat (9); a square hole (20) is opened in the middle of the die (5); the boss punch (7) corresponds to the square hole (20); an auxiliary mechanism is also installed on the upper end face of the fixed seat (9); the auxiliary mechanism is used to cooperate with the boss punch (7) to perform boss processing on the part (18).
2. The forming side boss stamping die as described in claim 1, characterized in that: The auxiliary mechanism includes a discharge block (8), a spring (16), and a stabilizing screw (10). One end of the spring (16) is installed on the upper end face of the fixed seat (9), and the other end is installed on the lower end face of the discharge block (8). The discharge block (8) has a mounting hole in the vertical direction. The screw part of the stabilizing screw (10) passes through the mounting hole and is threaded to the upper end face of the fixed seat (9). The end face diameter of the screw part of the stabilizing screw (10) is smaller than the diameter of the mounting hole. A connecting hole is opened in the middle position of the discharge block (8) in the vertical direction. The boss punch (7) is movably inserted in the connecting hole.
3. The forming side boss stamping die as described in claim 2, characterized in that: The unloading block (8) is semi-cylindrical, with the upper end face of the unloading block (8) being a semi-circular arc surface and the lower end face of the unloading block (8) being a plane.
4. The forming side boss stamping die as described in claim 3, characterized in that: The fixing seat (9) is semi-cylindrical, with the upper end surface of the fixing seat (9) being a plane and the lower end surface of the fixing seat (9) being a semi-circular arc surface.
5. The forming side boss stamping die as described in claim 4, characterized in that: The upper end face of the fixed seat (9) and the lower end face of the unloading block (8) are arranged opposite to each other.
6. The forming side boss stamping die as described in claim 4, characterized in that: The diameter of the end face of the fixed seat (9) along its length is smaller than the diameter of the end face of the unloading block (8) along its length.
7. The forming side boss stamping die as described in claim 1, characterized in that: The boss punch (7) is provided with a positioning protrusion (17).
8. The forming side boss stamping die as described in claim 1, characterized in that: The lower end of the upper mold base (2) is provided with a guide post (6), and the lower mold base (15) is provided with a guide hole. The guide post (6) is engaged with the guide hole.
9. The forming side boss stamping die as described in claim 1, characterized in that: The lower end face of the upper mold base (2) is provided with a limiting rod (19).