Hardware stamping flanging and internal forming to digital composite forming structure
By combining external flanging and internal forming in metal stamping with a composite forming structure, the problems of low efficiency and low precision in traditional metal stamping processes are solved, achieving high-efficiency production of composite forming and improving product quality.
Patent Information
- Application Number
- CN202423121023.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-18
AI Technical Summary
Traditional metal stamping processes require separate external flanging and internal forming steps when producing complex structural parts, resulting in low production efficiency, high costs, and low product precision.
Design a composite forming structure for metal stamping, which combines external flanging and internal forming. By combining the lower die base, floating plate, upper die base and guiding components, the external flanging and internal forming are completed simultaneously in the same mold. Nitrogen springs and guide grooves are used to ensure the smoothness and accuracy of the mold closing process.
It significantly improves production efficiency, reduces process changeover time, lowers production costs, improves product dimensional accuracy and consistency, and enhances product quality.
Smart Images
Figure CN223603271U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to hardware stamping die technical field, concretely is a hardware stamping outward flanging and internal forming to digital composite forming structure. BACKGROUND
[0002] In hardware processing industry, stamping forming is a kind of widely applied manufacturing process, and especially for hardware that needs complex shape and accurate size control, stamping forming technology is particularly important.
[0003] Traditional hardware stamping process is often needed to separate different processing procedures when facing the production of complex structure, for example, the outward flanging and internal forming of hardware, and the two procedures usually need to be completed in different dies, and multiple die conversion increases the production time and reduces the production efficiency, therefore, the utility model provides a hardware stamping outward flanging and internal forming to digital composite forming structure, which can realize the outward flanging and internal forming of hardware at the same time, and significantly improve the production efficiency. UTILITY MODEL CONTENTS
[0004] In view of the deficiencies of prior art, the utility model provides a hardware stamping outward flanging and internal forming to digital composite forming structure, which solves the problems in the above background technology.
[0005] To achieve the above object, the utility model is realized by the following technical scheme: a hardware stamping outward flanging and internal forming to digital composite forming structure, comprising:
[0006] Lower die seat, the upper inner edge of the lower die seat is provided with groove one;
[0007] Floating material plate, the floating material plate is slidingly connected in the middle of the lower die seat, and the upper outer edge of the floating material plate is provided with groove two;
[0008] Nitrogen gas spring one, a plurality of nitrogen gas springs one are fixed between the lower die seat and the floating material plate;
[0009] Workpiece, the workpiece is arranged above the lower die seat and the floating material plate;
[0010] Upper die seat, the upper die seat is arranged above the lower die seat and the floating material plate, the lower part of the upper die seat is fixed with outward flanging punch and internal forming punch, the outward flanging punch is located outside the internal forming punch, and the internal forming punch and the floating material plate are closed to perform internal forming stamping on the workpiece, and the outward flanging punch and the lower die seat are closed to perform outward flanging stamping on the workpiece.
[0011] Further, the hardware stamping outward flanging and internal forming to digital composite forming structure further comprises:
[0012] A plurality of guide plates are fixed outside the lower die seat;
[0013] A plurality of guide grooves are formed outside the outer flanging punch, and each group of guide grooves and each group of guide plates correspond in position.
[0014] Further, the hardware stamping outer flanging and internal forming to multi-composite forming structure further comprises:
[0015] A plurality of nitrogen gas springs two are fixed at the edges of the lower die seat;
[0016] A plurality of nitrogen gas springs three are fixed at the edges of the outer flanging punch.
[0017] Further, the hardware stamping outer flanging and internal forming to multi-composite forming structure further comprises:
[0018] A guide assembly is fixed outside the lower die seat and the upper die seat, and guides the clamping process of the lower die seat and the upper die seat.
[0019] Further, the guide assembly comprises:
[0020] A base is fixed at the lower part of the lower die seat;
[0021] A top plate is fixed at the upper part of the upper die seat;
[0022] A plurality of guide sleeves are fixed at the edges of the base;
[0023] A plurality of guide columns are fixed at the edges of the top plate, and each group of guide sleeves is slidingly connected outside each group of guide columns.
[0024] Further, the guide assembly further comprises:
[0025] Two groups of limiting columns one are fixed at both ends of the base;
[0026] Two groups of limiting columns two are fixed at both ends of the top plate, and each group of limiting columns one and each group of limiting columns two correspond in position.
[0027] With respect to the above background technology, the hardware stamping outer flanging and internal forming to multi-composite forming structure provided by the present application comprises a lower die seat, a floating material plate, a workpiece, and an upper die seat. Specifically, a recess one is formed at the inner edge of the upper part of the lower die seat, a recess two is formed at the outer edge of the upper part of the floating material plate, an outer flanging punch and an internal forming punch are fixed at the lower part of the upper die seat, the recess one and the recess two are adapted to the structure of the outer flanging punch, and then the internal forming punch and the floating material plate clamp the workpiece for internal forming stamping, and the outer flanging punch and the lower die seat clamp the workpiece for outer flanging stamping.
[0028] The utility model provides a kind of hardware stamping outer flanging and internal forming to number composite forming structure.Compared with prior art, it has the following beneficial effects:
[0029] 1. A hardware stamping outer flanging and internal forming to number composite forming structure, which can realize both outer flanging and internal forming of hardware in two processes, significantly improve production efficiency, complete composite forming in one stamping process, reduce process conversion time, reduce production cost, avoid error accumulation in multiple stamping processes, improve product size accuracy and consistency, and improve product quality.
[0030] 2. A hardware stamping outer flanging and internal forming to number composite forming structure, which corresponds the position of each set of guide grooves and each set of guide plates, and then guides the die closing process through guide grooves, guide plates and guide assemblies when the upper die holder, outer flanging punch and internal forming punch move downward, ensuring the stability and precision of die closing process. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 It is a die opening structure diagram of a hardware stamping outer flanging and internal forming to number composite forming structure.
[0032] Figure 2 It is a die closing structure diagram of a hardware stamping outer flanging and internal forming to number composite forming structure.
[0033] Figure 3 It is Figure 1 top view.
[0034] Figure 4 It is Figure 3 sectional view of A-A in
[0035] Figure 5 It is a structure diagram of lower die holder in a hardware stamping outer flanging and internal forming to number composite forming structure.
[0036] Figure 6 It is a structure diagram of upper die holder in a hardware stamping outer flanging and internal forming to number composite forming structure.
[0037] Figure 7 It is a structure diagram of guide assembly in a hardware stamping outer flanging and internal forming to number composite forming structure.
[0038] Figure 8 It is a structure diagram of workpiece before stamping in a hardware stamping outer flanging and internal forming to number composite forming structure.
[0039] Figure 9It is a schematic view of a structure of a workpiece after stamping of a hardware stamping out-flanging and internal forming into a multi-composite forming structure.
[0040] In the figure: 1, lower die holder; 11, groove one; 2, floating material plate; 21, groove two; 3, workpiece; 4, upper die holder; 41, out-flanging punch; 42, internal forming punch; 5, guide assembly; 51, base; 52, top plate; 53, guide sleeve; 54, guide column; 55, limiting column one; 56, limiting column two; 6, guide plate; 7, nitrogen spring two; 8, guide groove; 9, nitrogen spring three; 10, nitrogen spring one. DETAILED DESCRIPTION
[0041] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0042] Please refer to Figures 1-9 The present application provides a hardware stamping out-flanging and internal forming into a multi-composite forming structure technical scheme: a hardware stamping out-flanging and internal forming into a multi-composite forming structure, comprising: a lower die holder 1, a floating material plate 2, a nitrogen spring one 10, a workpiece 3, an upper die holder 4, a guide plate 6, a guide groove 8, a nitrogen spring two 7, a nitrogen spring three 9 and a guide assembly 5. Specifically, a groove one 11 is formed in the upper inner edge of the lower die holder 1, a groove two 21 is formed in the upper outer edge of the floating material plate 2, an out-flanging punch 41 and an internal forming punch 42 are fixed to the lower part of the upper die holder 4, the groove one 11 and the groove two 21 are matched with the structure of the out-flanging punch 41, and then the internal forming punch 42 and the floating material plate 2 form a mold to perform internal forming stamping on the workpiece 3, and the out-flanging punch 41 and the lower die holder 1 form a mold to perform out-flanging stamping on the workpiece 3. This structure can simultaneously realize the out-flanging and internal forming of hardware in two processes, significantly improve the production efficiency, complete the composite forming in one stamping process, reduce the process conversion time, reduce the production cost, avoid the error accumulation in the multiple stamping process, and thus improve the dimensional accuracy and consistency of the product and improve the product quality.
[0043] The position of each set of guide grooves 8 and each set of guide plates 6 corresponds, and then when the upper die holder 4, the out-flanging punch 41 and the internal forming punch 42 move downward, the guide groove 8, the guide plate 6 and the guide assembly 5 guide the mold closing process, ensuring the stability and precision of the mold closing process.
[0044] The nitrogen spring 10 drives the floating plate 2 to reset when the mold is opened, and the nitrogen spring 2 and the nitrogen spring 3 can push the workpiece out when the mold is opened, effectively preventing the adhesion between the workpiece and the mold, simplifying the workpiece 3 replacement process, and reducing the labor intensity.
[0045] The guide assembly 5 comprises a base 51, a top plate 52, a guide sleeve 53, a guide column 54, a limiting column 1 55 and a limiting column 2 56, specifically, the driving end of the lifting device is connected with the top plate 52, and then the top plate 52 drives the guide column 54 and the limiting column 2 56 to move downward, a plurality of guide columns 54 and guide sleeves 53 are used for guiding, the stability and precision during the mold closing process are ensured, the wear is reduced, the position of each limiting column 1 55 and each limiting column 2 56 corresponds, and then the damage caused by excessive impact is prevented, and the service life of the mold is prolonged.
[0046] The five metal stamping flanging and internal forming to number composite forming structure, in actual use, first, the workpiece 3 is placed between the floating plate 2 and the plurality of guide plates 6, and is located on the plurality of nitrogen springs 2, and then the lifting device drives the top plate 52, the upper die holder 4, the flanging punch 41 and the internal forming punch 42 to move downward, the internal forming punch 42 and the floating plate 2 are closed to the workpiece 3 for internal forming stamping, and the flanging punch 41 and the lower die holder 1 are closed to the workpiece 3 for flanging stamping.
[0047] After stamping, the lifting device pulls the upper die holder 4, the flanging punch 41 and the internal forming punch 42 to reset upward, and then the nitrogen spring 10 drives the floating plate 2 to reset, and the nitrogen spring 2 and the nitrogen spring 3 push the workpiece out, and the workpiece 3 is replaced.
Claims
1. A five-piece stamping flange and inner draw to number composite draw structure, characterized by, Include: Lower die seat (1), the upper inner edge of the lower die seat (1) is provided with groove one (11); Floating material plate (2), the floating material plate (2) is slidably connected in the middle of lower die seat (1), and the upper outer edge of the floating material plate (2) is provided with groove two (21); Nitrogen spring one (10), a plurality of nitrogen spring one (10) is fixed between lower die seat (1) and floating material plate (2); Workpiece (3), the workpiece (3) is arranged above lower die seat (1) and floating material plate (2); Upper die seat (4), the upper die seat (4) is arranged above lower die seat (1) and floating material plate (2), the lower part of the upper die seat (4) is fixed with outer flanging punch (41) and internal forming punch (42), the outer flanging punch (41) is located outside the internal forming punch (42), and the internal forming punch (42) and the floating material plate (2) are closed to workpiece (3) for internal forming stamping, and the outer flanging punch (41) and the lower die seat (1) are closed to workpiece (3) for outer flanging stamping.
2. A five-piece compound stamping flange and inner forming to compound forming structure according to claim 1, wherein, Also include: Guide plate (6), a plurality of guide plates (6) are fixed outside lower die seat (1); Guide groove (8), a plurality of guide grooves (8) are provided outside outer flanging punch (41), and the position of each guide groove (8) corresponds to each guide plate (6).
3. A five-piece compound stamping flange and inner forming to compound forming structure according to claim 1, wherein, Also include: Nitrogen spring two (7), a plurality of nitrogen spring two (7) are fixed on the edge of lower die seat (1); Nitrogen spring three (9), a plurality of nitrogen spring three (9) are fixed on the edge of outer flanging punch (41).
4. A five-piece compound stamping flange and inner forming to compound forming structure according to claim 1 wherein, Also include: Guide assembly (5), the guide assembly (5) is fixed outside lower die seat (1) and upper die seat (4), and the closing process of lower die seat (1) and upper die seat (4) is guided.
5. A five-piece compound stamping flange and inner forming to compound structure according to claim 4, wherein, The guide assembly (5) includes: Base (51), the base (51) is fixed on the lower part of lower die seat (1); Top plate (52), the top plate (52) is fixed on the upper part of upper die seat (4); Guide sleeve (53), a plurality of guide sleeves (53) are fixed on the edge of base (51); Guide column (54), a plurality of guide columns (54) are fixed on the edge of top plate (52), and each guide sleeve (53) is slidably connected outside each guide column (54).
6. A five-piece compound stamping flange and inner forming to compound structure according to claim 5, wherein, The guide assembly (5) further includes: Limiting column one (55), two groups of limiting column one (55) are fixed on both ends of base (51); Limiting column two (56), two groups of limiting column two (56) are fixed on both ends of top plate (52), and the position of each limiting column one (55) corresponds to each limiting column two (56).