Flanging forming die structure for automobile parts
By designing a sliding flip-up block and a nitrogen spring-driven ejector plate structure, the problems of localized mold wear and parts removal were solved, enabling rapid mold maintenance and efficient production, reducing maintenance costs and improving production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-10
AI Technical Summary
Existing automotive parts flanging forming dies suffer from localized protrusion wear leading to part defects, high maintenance costs, and difficulty in removing parts after stamping, thus affecting production efficiency.
A mold structure including a lower base and an upper base was designed. It adopts a sliding flip-up block and a nitrogen spring driven ejector plate. Combined with a guide structure and rubber pads, it realizes local wear replacement and automatic ejection, reducing manual intervention.
It enables rapid replacement of locally worn flip-up blocks, reducing maintenance costs, improving production efficiency, reducing downtime, and enhancing processing accuracy and equipment lifespan.
Smart Images
Figure CN223981030U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a flanging forming technical field, concretely to a flanging forming die structure of automobile parts. BACKGROUND
[0002] The stamping product in the prior art automobile part needs to reach very high strength, the shape of the automobile product is usually complex, at the same time, the machining cost of the die is large, the stamping operation labor cost is high, the position shape of the product profile needs multiple processes using the traditional stamping forming process, which increases the die machining cost and also increases the stamping operation labor cost, so a special flanging forming die is needed.
[0003] In most of the existing flanging forming dies, the protrusions, that is, the flanging punches, are integrally engraved and formed, and long-term use can cause local protrusion wear, and the wear can cause the parts to be incomplete and unqualified, and replacing the entire protrusion can increase the maintenance cost, and the parts are not easy to take out after stamping is completed, so manual intervention is needed, which delays the production time and reduces the production efficiency. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a flanging forming die structure of automobile parts to solve the problems in the above background.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a lower base and an upper base are connected, a plurality of support bars are arranged at the top end of the lower base and the bottom end of the upper base, a lower mounting seat is arranged at the top end of the support bar, a protection plate is arranged at the top end of the lower mounting seat, four corner protection blocks are arranged at the top end of the lower mounting seat, a plurality of different embedded grooves are arranged at the top end of the lower mounting seat, a flanging punch is arranged in the embedded groove, a plurality of installation grooves are arranged at the top end of the lower mounting seat, a nitrogen spring is arranged in the installation groove, a material return plate is arranged at the top end of the nitrogen spring, two positioning pins are arranged at the top end of the material return plate, an upper mounting seat is arranged at the bottom end of the upper support bar, an upper flanging punch is arranged at the bottom end of the upper mounting seat, a plurality of stamping grooves and first through grooves are arranged at the bottom end of the upper flanging punch corresponding to the flanging punch and the positioning pin.
[0006] Preferably, the top end of the protection plate is connected with a guide rod, the material return plate is arranged on the surface of the guide rod, and through holes are arranged in the protection plate and the material return plate corresponding to the flanging punch.
[0007] Preferably, the inner side of the corner protection block is connected with a rubber pad.
[0008] Preferably, the lower base top end is connected with four guide columns, one end of the guide column penetrates the lower mounting seat, the upper base and the upper mounting seat, and is in sliding connection with the lower mounting seat, the upper base and the upper mounting seat.
[0009] Preferably, the upper punch bottom end is provided with a second through groove corresponding to the guide rod.
[0010] Preferably, the inner side of the corner guard block is provided with a chamfer.
[0011] Preferably, the lower base and the upper base are provided with a plurality of mounting holes.
[0012] Compared with the prior art, the beneficial effects of the utility model are that: the punch block is slidably arranged at the top end of the lower mounting seat, when the punch block is damaged, the local wear can be replaced in time, without the need of overall replacement, so that the maintenance cost is reduced, the downtime is reduced, the nitrogen spring and the material return plate at the top end are used, after the stamping is completed, the upper punch rises back, the nitrogen spring pushes back, the material return plate is lifted, the plate material is pushed out, manual intervention is reduced, and the production efficiency is increased. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a front view structure schematic diagram of a kind of automobile parts flanging forming die structure;
[0014] Figure 2 It is an upper punch structure schematic diagram of a kind of automobile parts flanging forming die structure;
[0015] Figure 3 It is a part of explosion structure schematic diagram of a kind of automobile parts flanging forming die structure;
[0016] Figure 4 It is a lower half part of explosion structure schematic diagram of a kind of automobile parts flanging forming die structure.
[0017] In the drawing: 1, lower base;2, strut;3, lower mounting seat;4, protection plate;41, guide rod;42, through hole;5, corner guard block;6, fitting groove;7, punch block;8, installation groove;81, nitrogen spring;9, material return plate;10, positioning needle;11, rubber pad;12, guide column;13, upper base;14, upper mounting seat;15, upper punch;16, stamping groove;17, first through groove;18, second through groove;19, mounting hole. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of 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.
[0019] Please refer to Figures 1-4 The utility model provides a technical scheme, including lower base 1 and upper base 13, lower base 1 top and upper base 13 bottom all are connected with multiple groups of bracing piece 2, lower bracing piece 2 top is connected with the setting of lower mounting seat 3, lower mounting seat 3 top is connected with the setting of protection plate 4, and four corner blocks 5 are connected to the four corners of protection plate 4 at the top of lower mounting seat 3, a plurality of different embedding grooves 6 are opened at the top of lower mounting seat 3, and a punch block 7 is slidably arranged in the embedding groove 6, a plurality of mounting grooves 8 are opened at the top of lower mounting seat 3, a nitrogen spring 81 is connected and arranged in the mounting groove 8, a material return plate 9 is connected and arranged at the top of nitrogen spring 81, two positioning pins 10 are connected and arranged at the top of material return plate 9, upper bracing piece 2 bottom is connected with the setting of upper mounting seat 14, upper mounting seat 14 bottom is connected with the setting of upper punch 15, and a plurality of stamping grooves 16 and first through grooves 17 are opened at the bottom of upper punch 15 corresponding to punch block 7 and positioning pin 10.
[0020] Protection plate 4 top is connected with the setting of guide rod 41, and material return plate 9 is slidably arranged on the surface of guide rod 41, and a through hole 42 is opened in the surface of protection plate 4 and material return plate 9 corresponding to punch block 7, which is used for the guiding effect of guide rod 41 to fix the movement track of material return plate 9, reduces the problems such as workpiece deformation, size deviation caused by material return plate 9 shaking or deviation, thereby significantly improve the machining precision and quality stability of product, and the design of guide rod 41 and through hole 42 makes the material return process more smooth, reduces the wear and damage risk of equipment, prolongs the service life of equipment.
[0021] The inner side of corner block 5 is connected with the setting of rubber pad 11, which is used for the softness of rubber pad to avoid the direct contact of corner block with the protected object, prevent the object surface from being scratched or worn by metal or hard corner block.
[0022] Four guide columns 12 are connected and arranged at the top of lower base 1, one end of guide column 12 penetrates lower mounting seat 3, upper base 13 and upper mounting seat 14, and is slidably arranged with lower mounting seat 3, upper base 13 and upper mounting seat 14, which is used for the rectangular distribution of four guide columns, through the mechanical rigidity of four-point constraint, ensure that lower mounting seat 3, upper base 13 and upper mounting seat 14 always keep parallel movement, avoid the deflection caused by traditional single-point or double-point guiding.
[0023] The bottom end of the upward punch 15 is provided with a second through slot 18 corresponding to the guide rod 41, which cooperates with the guide rod 41 to form a linear guide structure, so as to significantly reduce the deflection and shaking of the punch during movement, and ensure the perpendicularity and parallelism of the stamping action.
[0024] The inside of the plurality of corner blocks 5 is provided with a chamfer, which makes the appearance of the corner block softer and conforms to the modern industrial design trend.
[0025] The surface of the lower base 1 and the upper base 13 is provided with a plurality of mounting holes 19, which facilitates the installation of the operator.
[0026] Working principle: the operator first installs the lower base 1 on the workbench, installs the upper base 13 on the stamping machine, aligns the through hole of the plate with the positioning needle 10, and then lowers the upward punch 15, the second through slot 18 of the upward punch 15 cooperates with the guide rod 41 to prevent interference and improve the stamping precision, and the material return plate 9 and the plate above it are pressed downward, and the nitrogen spring 81 is compressed, the stamping groove 16 cooperates with the upward punch block 7 to exert a vertical pressure on the edge of the plate, and the 90° flanging and plasticity are completed, after stamping, the nitrogen spring 81 resets and drives the material return plate 9 to move upward, the material return plate 9 slides along the guide rod 41 to ensure the stability of the movement, and the formed part is ejected from the mold, and the chamfer design on the inside of the corner block 5 avoids scratching the plate during stamping, the rubber pad 11 buffers the impact force, reduces noise and vibration, and prolongs the service life of the mold.
[0027] It should be noted that, in the present text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Moreover, the terms "comprising", "containing" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or equipment.
[0028] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A flanging die structure for an automobile part, comprising a lower base (1) and an upper base (13), characterized in that: The top end of the lower base (1) and the bottom end of the upper base (13) are connected and provided with a plurality of support bars (2), the top end of the lower support bar (2) is connected and provided with a lower mounting seat (3), the top end of the lower mounting seat (3) is connected and provided with a protection plate (4), four corner protection blocks (5) are connected and arranged at the four corners of the protection plate (4) at the top end of the lower mounting seat (3), a plurality of different embedded grooves (6) are formed at the top end of the lower mounting seat (3), a flip block (7) is slidably arranged in the embedded groove (6), a plurality of mounting grooves (8) are formed at the top end of the lower mounting seat (3), a nitrogen gas spring (81) is connected and arranged in the mounting groove (8), the top end of the nitrogen gas spring (81) is connected and provided with a material return plate (9), two positioning pins (10) are connected and arranged at the top end of the material return plate (9), the bottom end of the upper support bar (2) is connected and provided with an upper mounting seat (14), an upper flip punch (15) is connected and arranged at the bottom end of the upper mounting seat (14), a plurality of punch grooves (16) and first through grooves (17) are formed at the bottom end of the upper flip punch (15) corresponding to the flip block (7) and the positioning pin (10).
2. The flanging die structure for an automobile part according to claim 1, wherein: The top end of the protection plate (4) is connected and provided with a guide rod (41), and the material return plate (9) is slidably arranged on the surface of the guide rod (41), a through hole (42) is formed in the surface of the protection plate (4) and the material return plate (9) corresponding to the flip block (7).
3. The flanging die structure for an automobile part according to claim 1, wherein: The inner side of the corner protection block (5) is connected and provided with a rubber pad (11).
4. The flanging die structure for an automobile part according to claim 1, wherein: The top end of the lower base (1) is connected and provided with four guide columns (12), one end of the guide column (12) penetrates the lower mounting seat (3), the upper base (13) and the upper mounting seat (14), and is slidably arranged with the lower mounting seat (3), the upper base (13) and the upper mounting seat (14).
5. The flanging die structure for an automobile part according to claim 2, wherein: The bottom end of the upper flip punch (15) is provided with a second through groove (18) corresponding to the guide rod (41).
6. The flanging die structure for an automobile part according to claim 1, wherein: The inner side of the corner protection block (5) is connected and provided with a rubber pad (11).
7. The flanging die structure for an automobile part according to claim 1, wherein: The surface of the lower base (1) and the upper base (13) is connected and provided with a plurality of mounting holes (19).