A progressive die for stamping and shaping of hardware parts
By setting up break, punching, bending and material cutting stations in the continuous die, and utilizing the design of guide ramps and lifting springs, the problem of traditional dies being unable to handle line gaps and bent parts has been solved, achieving efficient production and high-quality finished products.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN DINGYESHENG METAL PROD CO LTD
- Filing Date
- 2025-09-01
- Publication Date
- 2026-07-31
AI Technical Summary
Traditional progressive dies cannot effectively handle cable end fixing parts that have both wire notches and wire bends, resulting in low production efficiency and unstable product quality.
Design a progressive die for stamping and shaping metal parts, including an upper die base and a lower die base, and set up a cutting station, a punching station, a bending station and a material cutting station. Through the cooperation of guide ramps and lifting springs, the smooth advancement of the material plate and the smooth release of the formed parts are realized.
It improved the production efficiency and finished product quality of hardware parts, reduced material plate jamming, and ensured the smooth processing and forming of workpieces.
Smart Images
Figure CN224574485U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stamping die technology, and in particular to a progressive die for stamping and shaping hardware parts. Background Technology
[0002] Hardware components have a wide range of applications in modern industrial production, covering many fields such as electronic equipment, automobile manufacturing, machinery equipment, and home appliances. The shapes and structures of hardware components are becoming increasingly complex, leading to higher requirements for processing precision and production efficiency. Stamping, as one of the main methods of hardware component manufacturing, has advantages such as high production efficiency, low cost, and stable product quality.
[0003] Traditional metal stamping dies mainly use single-operation dies, which can only complete a single stamping operation such as punching, bending, or stretching at a time. Therefore, when producing workpieces that require punching, bending, and shaping simultaneously, compound dies, also known as progressive dies, are used to improve production efficiency and avoid production errors caused by the transfer of semi-finished products between dies. Progressive dies can complete multiple different stamping processes in a single stamping operation, such as punching, blanking, and shaping, all at the same time.
[0004] However, when dealing with a cable end fixing part that has both a wire guide notch and a wire guide bend, the bending process of the wire guide bend requires a height difference. Therefore, when the semi-finished workpiece on the material plate is pushed to the bending process, it needs to be raised and moved forward above the forming block. After the forming is completed, the bend will interlock with the forming groove, and it still needs to be raised to detach the semi-finished workpiece. Otherwise, the semi-finished workpiece cannot continue to be pushed to complete the stamping of the finished product. Therefore, the progressive die cannot adapt to the production of this workpiece.
[0005] Therefore, it is necessary to propose a new technical solution to address the above problems. Utility Model Content
[0006] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the aforementioned problems.
[0007] To achieve the above objectives, this utility model provides the following technical solution: a continuous die for stamping and shaping hardware parts, comprising an upper die base and a lower die base, wherein the upper die base and the lower die base cooperate with each other and can move relative to each other, the upper die base has an upper template, the lower die base has a lower template, and a cutting station, a punching station, a bending station and a material cutting station are sequentially arranged along the material feeding direction and between the upper template and the lower template; The upper template is provided with a break punch, a punch, a bending and a material cutting punch in sequence for the break station, punching station, bending station and material cutting station, and the lower template is provided with a material cutting hole, a hole for material cutting, a bending and shaping block and a material dropping hole in sequence. The lower end of the bending column includes an arc-shaped part and a pressing plane. The bending and shaping block is provided with a pressing plane and a contouring part that is higher than the pressing plane. The contouring part is provided with an arc-shaped groove that corresponds to the arc-shaped part. The contouring part is provided with a guide slope on the side opposite to the feeding direction. A guide hole is provided on the material receiving plane, and a lifting rod is provided in the guide hole. A lifting spring is provided at the lower end of the lifting rod, and the lifting spring can push the lifting rod upward.
[0008] As a further embodiment of this utility model: a notch is provided on the guide slope, a guide plate is provided on the notch, a second guide hole is provided on the notch, a connecting rod is provided in the second guide hole, the connecting rod extends through the second guide hole and connects to the guide plate, a spring is provided at the lower end of the connecting rod, and a downward gap is provided between the guide plate and the notch.
[0009] As a further embodiment of this utility model: the lower template is provided with a through groove that has the same shape as the bending and shaping block.
[0010] As a further embodiment of this utility model: the lower end of the bending and shaping block is provided with a limiting groove corresponding to the guide hole, a limiting block is provided in the limiting groove, the lifting rod extends into the limiting groove and connects with the limiting block, the lower mold base is provided with a through hole corresponding to the limiting groove, a bottom block is screwed into the bottom of the through hole, and the lifting spring is provided between the bottom block and the limiting block.
[0011] As a further embodiment of this utility model: a limiting plate is provided on the lower template, and a limiting groove is provided at the lower end of the limiting plate. The limiting groove and the upper end face of the lower template form a limiting channel that matches the feeding direction of the material strip. The limiting groove is provided with clearance holes corresponding to the break punch, punching post, bending post and break punch.
[0012] As a further embodiment of this utility model: the material cutting hole, the material hole and the material dropping hole all penetrate through the lower template and the lower mold base.
[0013] Compared with the prior art, the beneficial effects of this technical solution are as follows: This utility model completes the punching of the workpiece's cut and notch by setting up a cutting station, a punching station, a bending station, and a material cutting station, and completes the shaping of the bent part. Finally, the workpiece and the material plate are punched off and discharged for collection. In particular, through the design of the guide slope, the material plate is pushed up and moved to the bending and shaping block of the bending station when it is pushed forward. After the bent part is formed, the elastic restoring force of the lifting spring is used to push the material plate up by the lifting rod, so that the formed bent part rises and separates from the arc groove, so that the continuous die can be adapted to the workpiece that needs to be holed and bent. Furthermore, as the material plate is pushed towards the bending station, the end face of the material plate will first contact and push the inclined guide plate set on the inclined notch. Since the connecting rod at the lower end of the inclined guide plate is guided in the guide hole two, the inclined guide plate moves downward when it is pushed. When it moves downward, the connecting rod is compressed to the spring spring. At this time, the material plate continues to move forward. At the same time, the spring spring generates a rebound force due to compression, which acts on the connecting rod and the inclined guide plate, causing the inclined guide plate to push the material plate up, forming a similar effect of popping up. This makes the material plate move forward and rise more smoothly, reducing the jamming of the material plate.
[0014] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0015] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0016] Figure 1 This is a cross-sectional structural diagram of the present invention; Figure 2 This is a partial structural schematic diagram of the present invention; Figure 3 This is a schematic diagram of the structure of the bent column of this utility model; Figure 4 This is a schematic diagram of the structure of the bending and shaping block of this utility model; Figure 5 This is an exploded structural diagram of the bending and shaping block, lifting rod, and inclined guide plate of this utility model; Figure 6 This is a bottom view structural diagram of the bending and shaping block of this utility model; Figure 7 This is a schematic diagram of the lower template of this utility model; Figure 8This is a schematic diagram of the structure of the lower mold base of this utility model; Figure 9 This is a schematic diagram of the material limiting plate of this utility model; The corresponding labels in the attached diagram are explained as follows: 1. Upper die base; 2. Lower die base; 3. Upper template; 4. Lower template; 5. Cut-off punch; 6. Punching post; 7. Bending post; 8. Cut-off punch; 9. Cut-off hole; 10. Hole; 11. Bending and shaping block; 12. Blanking hole; 13. Arc-shaped part; 14. Pressing plane; 15. Abutment plane; 16. Contouring part; 17. Arc-shaped groove; 18. Guide slope; 19. Guide hole one; 20. 21. Lifting rod; 22. Lifting spring; 23. Angled notch; 24. Angled guide plate; 25. Guide hole two; 26. Connecting rod; 27. Spring spring; 28. Through groove; 29. Limiting groove one; 20. Limiting groove two; 30. Limiting block one; 31. Limiting block two; 32. Bottom block one; 33. Bottom block two; 34. Material limiting plate; 35. Material limiting groove. 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] Please see Figure 1-9 A progressive die for stamping and shaping hardware parts includes an upper die base 1 and a lower die base 2. The upper die base 1 and the lower die base 2 cooperate with each other and can move relative to each other. The upper die base 1 has an upper template 3, and the lower die base 2 has a lower template 4. Along the material feeding direction and between the upper template 3 and the lower template 4, a cutting station, a punching station, a bending station and a material cutting station are arranged in sequence. The upper template 3 is provided with a cutting punch 5, a punch 6, a bending punch 7 and a material cutting punch 8 in sequence for the corresponding cutting station, punching station, bending station and material cutting station. The lower template 4 is provided with a material cutting hole 9, a material hole 10, a bending and shaping block 11 and a material dropping hole 12 in sequence. Preferably, during the feeding process, the same workpiece position will sequentially undergo punching and shaping at the break-out station, punching station, bending station, and material-cutting station by the break-out punching column 5, punching column 6, bending column 7, and material-cutting punching column 8. The break-out punching column 5 punches out the break-out position of the workpiece to prepare for subsequent processes. Then, the punching column 6 not only punches out the notch for the wire but also shapes the planar structure of the bending part. Subsequently, the bending column 7 and the bending shaping block 11 shape the planar structure into the bending part. Finally, the material-cutting punching column 8 punches off the remaining connection between the workpiece and the workpiece and collects it by falling through the material drop hole 12. The waste generated by punching at the break-out station and punching station can be discharged through the material-cutting hole 9 and the material drop hole 10. The lower end of the bending column 7 includes an arc-shaped part 13 and a pressing plane 14. The bending and shaping block 11 is provided with a pressing plane 15 corresponding to the pressing plane 14 and a contouring part 16 higher than the pressing plane 15. The contouring part 16 is provided with an arc-shaped groove 17 corresponding to the arc-shaped part 13. A guide slope 18 is provided on the side of the contouring part 16 opposite to the feeding direction. A guide hole 19 is provided on the material-supporting plane 15. A lifting rod 20 is provided in the guide hole 19. A lifting spring 21 is provided at the lower end of the lifting rod 20. The lifting spring 21 can push the lifting rod 20 upward.
[0019] Specifically, when the material plate needs to be pushed to the bending station, the guide ramp 18 on the contouring part 16 provides upward movement conditions for the material plate, thereby causing the semi-finished workpiece on the material plate to rise and move to the upper end of the contouring part 16. Then, the bending column 7 presses down, and its arc-shaped part 13 cooperates with the arc-shaped groove 17 on the contouring part 16 to punch and shape the required arc-shaped channel on the workpiece. At the same time, the pressing plane 14 at the lower end of the bending column 7 presses down the rest of the semi-finished workpiece, which is synchronized with the bending and presses against the abutment plane 15. The abutment plane 15 and the surface of the lower template 4 are... The material plate is leveled, allowing it to move back down to the surface of the lower template 4 to avoid affecting the processing of other stations. As the material plate moves down, the lifting rod 20 is pressed down. When the lifting rod 20 moves down in the guide hole 19, it compresses the lifting spring 21 at the bottom. After one stamping is completed, the upper mold base 1 drives the upper template 3 to move up and separate the mold. The bending column 7 and the bending and shaping block 11 separate the mold. Then, the elastic restoring force of the lifting spring 21 is used to push the lifting rod 20 up and make the formed bending part rise and separate from the arc groove 17, so that the material plate can continue to move forward.
[0020] In summary, this utility model completes the cutting of workpieces at the break-out station, punching station, bending station, and material cutting station, and completes the shaping of the bent part. Finally, the workpiece and the material plate are punched off and collected. The guide slope 18 is designed so that the material plate rises and moves to the bending and shaping block 11 at the bending station when it is pushed forward. After the bent part is formed, the elastic restoring force of the lifting spring 21 is used to push the lifting rod 20 to push the material plate upward, so that the formed bent part rises and separates from the arc groove 17, so that the progressive die can be adapted to the workpiece that needs to be holed and bent.
[0021] Based on the above embodiments, it is further proposed that a sloped notch 22 is provided on the guide slope 18, a sloped guide plate 23 is provided on the sloped notch 22, a guide hole 24 is provided on the sloped notch 22, a connecting rod 25 is provided in the guide hole 24, the connecting rod 25 protrudes through the guide hole 24 and connects to the sloped guide plate 23, and a spring spring 26 is provided at the lower end of the connecting rod 25. There is a downward gap between the sloped guide plate 23 and the sloped notch 22.
[0022] Specifically, when the material plate is pushed towards the bending station, the end face of the material plate will first contact and push the inclined guide plate 23 set on the inclined notch 22. Since the connecting rod 25 at the lower end of the inclined guide plate 23 is guided and set in the guide hole 24, the inclined guide plate 23 moves downward when it is pushed. When it moves downward, the connecting rod 25 is compressed to the spring spring 26. At this time, the material plate continues to move forward. At the same time, the spring spring 26 generates a rebound force due to compression, which acts on the connecting rod 25 and the inclined guide plate 23, causing the inclined guide plate 23 to push the material plate, forming a similar popping effect, thereby making the material plate move forward and rise more smoothly and reducing the jamming of the material plate.
[0023] Based on the above embodiments, it is further proposed that the lower template 4 is provided with a through groove 27 that has the same shape as the bending and shaping block 11.
[0024] Based on the above embodiments, it is further proposed that the lower end of the bending and shaping block 11 is provided with a limiting groove 28 corresponding to the guide hole 19, and a limiting block 29 is provided in the limiting groove 28. The lifting rod 20 extends into the limiting groove 28 and connects with the limiting block 29. The lower mold base 2 is provided with a through hole 30 corresponding to the limiting groove 28, and a bottom block 31 is screwed into the bottom of the through hole 30. The lifting spring 21 is provided between the bottom block 31 and the limiting block 29.
[0025] Specifically, the limiting block 29 is set inside the limiting groove 28, and the lifting rod 20 is connected to the limiting block 29, thereby limiting the highest point of the lifting rod 20. This can prevent the lifting rod 20 from detaching from the guide hole 19. The second lower mold base 2 has a through hole 30 and a bottom block 31 is screwed into the through hole 30. The bottom block 31 serves as a stable bottom support for the lifting spring 21.
[0026] The bending and shaping block 11 should also have a limiting groove 28' corresponding to the guide hole 24, a limiting block 29' set in the limiting groove 28', the connecting rod 25 is connected to the limiting block 29', and a through hole 30' is opened on the lower mold base 2, and a bottom block 31' is screwed into the through hole 30'. The effect achieved is similar to that of the structural features in the upper section, and will not be described in detail here.
[0027] Based on the above embodiments, it is further proposed that a limiting plate 32 be provided on the lower template 4, and a limiting groove 33 be provided at the lower end of the limiting plate 32. The limiting groove 33 and the upper end surface of the lower template 4 form a limiting channel that matches the feeding direction of the material strip. The limiting groove 33 is provided with clearance holes corresponding to the break punch 5, punching column 6, bending column 7 and breaking punch 8. The limiting channel formed by the limiting groove 33 restricts and guides the pushing direction of the material plate.
[0028] Based on the above embodiments, it is further proposed that the material cutting hole 9, the material hole 10, and the material dropping hole 12 all penetrate the lower template 4 and the lower die base 2, so as to facilitate the discharge of waste generated by stamping and the discharge of workpieces produced by stamping.
[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A progressive die for the coining of a hardware part, characterized in that, It includes an upper mold base (1) and a lower mold base (2), the upper mold base (1) and the lower mold base (2) cooperate with each other and can move relative to each other, the upper mold base (1) has an upper template (3), the lower mold base (2) has a lower template (4), and a cutting station, a punching station, a bending station and a material cutting station are arranged sequentially between the upper template (3) and the lower template (4) along the material feeding direction; The upper template (3) is provided with a break punch (5), a punch (6), a bending punch (7) and a material cutting punch (8) in sequence for the break station, punching station, bending station and material cutting station. The lower template (4) is provided with a material cutting hole (9), a material hole (10), a bending and shaping block (11) and a material dropping hole (12) in sequence. The lower end of the bending column (7) includes an arc-shaped part (13) and a pressing plane (14). The bending and shaping block (11) is provided with a pressing plane (15) corresponding to the pressing plane (14) and a contouring part (16) higher than the pressing plane (15). The contouring part (16) is provided with an arc-shaped groove (17) corresponding to the arc-shaped part (13). The contouring part (16) is provided with a guide slope (18) on the side opposite to the feeding direction. A guide hole (19) is provided on the material-supporting plane (15). A lifting rod (20) is provided in the guide hole (19). A lifting spring (21) is provided at the lower end of the lifting rod (20). The lifting spring (21) can push the lifting rod (20) upward.
2. The progressive die for the metal fitting stamping and shaping according to claim 1, characterized in that, The guide slope (18) is provided with a slope notch (22), the slope notch (22) is provided with a slope guide plate (23), the slope notch (22) is provided with a guide hole II (24), the guide hole II (24) is provided with a connecting rod (25), the connecting rod (25) extends through the guide hole II (24) and connects with the slope guide plate (23), the lower end of the connecting rod (25) is provided with a spring spring (26), wherein there is a downward gap between the slope guide plate (23) and the slope notch (22).
3. The progressive die for stamping and shaping metal parts according to claim 2, characterized in that, The lower template (4) has a through groove (27) with the same shape as the bending and shaping block (11).
4. The progressive die for stamping and shaping hardware parts according to claim 3, characterized in that, The bending and shaping block (11) has a limiting groove (28) at its lower end that corresponds to the guide hole (19). A limiting block (29) is provided in the limiting groove (28). The lifting rod (20) extends into the limiting groove (28) and connects with the limiting block (29). The lower mold base (2) has a through hole (30) that corresponds to the limiting groove (28). A bottom block (31) is screwed into the bottom of the through hole (30). The lifting spring (21) is located between the bottom block (31) and the limiting block (29).
5. The progressive die for stamping and shaping hardware parts according to claim 4, characterized in that, The lower template (4) is provided with a limiting plate (32), and the lower end of the limiting plate (32) is provided with a limiting groove (33). The limiting groove (33) and the upper end face of the lower template (4) form a limiting channel that matches the feeding direction of the material strip. The limiting groove (33) is provided with clearance holes corresponding to the break punch (5), punching column (6), bending column (7) and break punch (8).
6. The progressive die for stamping and shaping metal parts according to claim 5, characterized in that, The material cutting hole (9), the material hole (10), and the material dropping hole (12) all penetrate the lower template (4) and the lower mold base (2).