Labyrinth cover flash-free forging forming die
By designing a flashless forging mold for maze covers, the problem of high material loss in existing technologies has been solved, achieving material savings and reduced processing costs, while also extending mold life and simplifying the forging process.
Patent Information
- Application Number
- CN202520150782.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing labyrinth cover forging methods result in significant material loss and increase edge trimming and mold costs.
Design a flash-free forging mold for maze covers. The upper mold forms the top surface of the forging, and the lower mold forms the bottom and outer peripheral surfaces of the forging. Demolding is achieved through demolding holes and ejection modules, eliminating flash grooves, simplifying machining processes, and reducing material waste.
It achieves material savings, reduces processing costs, simplifies the forging process, extends the service life of molds, and makes it easier to meet product thickness requirements.
Smart Images
Figure CN223718229U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a forging die, especially a labyrinth cover no flash forging forming die. BACKGROUND
[0002] The labyrinth cover is a kind of circular thin-walled product, its outer diameter is about 300mm~500mm, thickness is about 30mm~50mm, and the ratio of outer diameter and thickness reaches 10~13.In prior art, the product of this type is generally formed by using the forging method with flash, and the material loss ratio is relatively large, the overall material input is 20KG, and the flash accounts for about 2KG, simultaneously, the edge cutting process and the cost of related die are increased. SUMMARY
[0003] The utility model solves the technical problem to overcome the deficiency of prior art, and provides a kind of labyrinth cover no flash forging forming die that is easy to form and can save material cost.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme:
[0005] A kind of labyrinth cover no flash forging forming die, including upper die and lower die, the upper die is equipped with the forging piece forming bump for extruding the top surface of labyrinth cover forging piece forming, the lower die is equipped with knockout hole, ejection module and the forging piece forming groove for containing and extruding the bottom surface and outer circumferential surface of labyrinth cover forging piece forming, the ejection module is installed in the upper section of knockout hole, and the top surface of the ejection module is flush with the bottom surface of the forging piece forming groove.
[0006] As a further improvement of the above technical scheme:
[0007] The upper section of the forging piece forming groove is equipped with the guide section for receiving forging piece forming bump and restricting forging piece forming bump.
[0008] The guide section is a conical surface that is large at the top and small at the bottom.
[0009] The ejection module is a conical frustum that is large at the top and small at the bottom, and the upper section of the knockout hole is a tapered hole section matched with the ejection module.
[0010] The tapered hole section of the knockout hole is coaxially arranged with the lower section of the knockout hole.
[0011] The lower section of the forging piece forming groove is equipped with a stepped groove for extruding the stepped boss of the bottom surface of the labyrinth cover forging piece.
[0012] The center of the forging piece forming bump is equipped with a center boss for extruding the center groove of the top surface of the labyrinth cover forging piece.
[0013] The outer periphery of the center boss of the forging piece forming bump is surrounded by an outer ring boss for extruding the top surface of the labyrinth cover forging piece.
[0014] The bottom surface of the outer ring protrusion is provided with a ring-shaped groove for extruding the ring-shaped boss of the top surface of the labyrinth cover forging.
[0015] Compared with the prior art, the labyrinth cover no-flash forging forming die has the following advantages:
[0016] The labyrinth cover no-flash forging forming die mainly adopts the upper die to form the top surface of the labyrinth cover forging, the lower die to form the bottom surface and the outer peripheral surface of the labyrinth cover forging, and the knockout hole and the ejection module to realize the knockout of the labyrinth cover forging, so that the flash groove is not needed, the machining process after forging is simplified, material loss is reduced, the processing cost of the labyrinth cover product is reduced, the design without flash is adopted, the filling is easy during the forging process, the product thickness direction is easier to meet the drawing requirements, the forging force required during the forging process is small, and the service life of the die is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for purposes of illustration. The embodiments of the application illustrated herein and the explanations provided transversely the application, but should not be construed as an improper limitation on the application.
[0018] Fig. 1 is a structural schematic view of the labyrinth cover no-flash forging forming die of the present application.
[0019] Fig. 2 is a structural schematic view of the lower die.
[0020] Fig. 3 is a structural schematic view of the upper die.
[0021] The reference signs in the drawings represent:
[0022] 1, upper die; 100, labyrinth cover forging; 11, forging forming protrusion; 111, center protrusion; 112, outer ring protrusion; 2, lower die; 21, knockout hole; 22, ejection module; 23, forging forming groove; 231, guide section. DETAILED DESCRIPTION
[0023] The embodiments of the present application will be described in detail below with reference to the accompanying drawings, but the present application can be implemented in various different ways limited and covered by the claims.
[0024] For example, Figs. 1 to 3As shown, the flashless forging forming die of the labyrinth cover of the embodiment comprises an upper die 1 and a lower die 2, the upper die 1 is provided with a forging forming block 11 for extruding the top surface of the labyrinth cover forging 100, the lower die 2 is provided with a demolding hole 21, an ejection module 22 and a forging forming groove 23 for accommodating and extruding the bottom surface and the outer peripheral surface of the labyrinth cover forging 100, the ejection module 22 is arranged on the upper section of the demolding hole 21, and the top surface of the ejection module 22 is flush with the bottom surface of the forging forming groove 23. The flashless forging forming die of the labyrinth cover mainly adopts the upper die 1 to form the top surface of the labyrinth cover forging 100, the lower die 2 to form the bottom surface and the outer peripheral surface of the labyrinth cover forging 100, and realizes the demolding of the labyrinth cover forging through the demolding hole 21 and the ejection module 22, without setting a flash groove, which can simplify the machining process after forging and reduce material loss, thereby reducing the processing cost of the labyrinth cover product. At the same time, due to the flashless design, the forging process is easy to fill, and the product thickness direction is easier to meet the drawing requirements. And the forging process requires less forging force, which can improve the service life of the die.
[0025] In the embodiment, the upper section of the forging forming groove 23 is provided with a guide section 231 for receiving the forging forming block 11 and restraining the forging forming block 11, and the guide section 231 is a large upper and small lower conical surface. During the forging process, the forging forming block 11 enters the forging forming groove 23 under the restraint of the guide section 231 when the upper die 1 falls, which can ensure the forging forming precision.
[0026] In the embodiment, the ejection module 22 is in the shape of a large upper and small lower conical table, the upper section of the demolding hole 21 is a conical table hole section matched with the ejection module 22, and the conical table hole section of the demolding hole 21 is coaxially arranged with the lower section of the demolding hole 21. This structure makes it more convenient for the ejection module 22 and the labyrinth cover forging 100 to be ejected out during demolding.
[0027] In the embodiment, the lower section of the forging forming groove 23 is provided with a stepped groove for extruding the stepped boss of the bottom surface of the labyrinth cover forging 100, the center of the forging forming block 11 is provided with a center block 111 for extruding the center groove of the top surface of the labyrinth cover forging 100, the outer periphery of the center block 111 of the forging forming block 11 is provided with an outer ring block 112 for extruding the top surface of the labyrinth cover forging 100, and the bottom surface of the outer ring block 112 is provided with a ring-shaped groove for extruding the annular boss of the top surface of the labyrinth cover forging 100.
[0028] Although the utility model has disclosed as above with preferable embodiments, however, not to limit the utility model. Any skilled person in the art, without departing from the utility model technical scheme range, can utilize the above disclosed technical content to make many possible changes and modifications to the utility model technical scheme, or modify as equivalent variation equivalent embodiment. Therefore, any simple modification, equivalent variation and modification made to the above embodiments according to the technical essence of the utility model, which does not depart from the content of the utility model technical scheme, should fall within the scope of the utility model technical scheme protection.
Claims
1. A flashless forging die for forming a labyrinth cover, comprising an upper die (1) and a lower die (2), characterized in that, The upper die (1) is provided with a forging forming protrusion (11) for extruding the top surface of the labyrinth cover forging (100) to form a forging; the lower die (2) is provided with a demolding hole (21), an ejection module (22), and a forging forming groove (23) for accommodating and extruding the bottom surface and the outer peripheral surface of the labyrinth cover forging (100) to form a forging; the ejection module (22) is arranged on the upper section of the demolding hole (21), and the top surface of the ejection module (22) is flush with the bottom surface of the forging forming groove (23).
2. The labyrinth cover flashless swage forming die of claim 1, wherein, The upper section of the forging forming groove (23) is provided with a guide section (231) for receiving the forging forming protrusion (11) and constraining the forging forming protrusion (11).
3. The labyrinth cover flashless swage forming die of claim 2, wherein, The guide section (231) is a conical surface that is large at the top and small at the bottom.
4. The labyrinth cover flashless swage forming die of any one of claims 1 to 3, wherein, The ejection module (22) is a conical frustum that is large at the top and small at the bottom, and the upper section of the demolding hole (21) is a frustum hole section that cooperates with the ejection module (22).
5. The labyrinth cover flashless swage forming die of claim 4, wherein, The frustum hole section of the demolding hole (21) is coaxially arranged with the lower section of the demolding hole (21).
6. The labyrinth cover flashless swage forming die of any one of claims 1 to 3, wherein, The lower section of the forging forming groove (23) is provided with a stepped groove for extruding the stepped boss on the bottom surface of the labyrinth cover forging (100).
7. The grommet swage forming die of claim 6, wherein, The center of the forging forming protrusion (11) is provided with a center protrusion (111) for extruding the center groove on the top surface of the labyrinth cover forging (100).
8. The labyrinth cover flashless swage forming die of claim 7, wherein, The outer periphery of the center protrusion (111) of the forging forming protrusion (11) is surrounded by an outer ring protrusion (112) for extruding the top surface of the labyrinth cover forging (100).
9. The labyrinth cover flashless swage forming die of claim 8, wherein, The bottom surface of the outer ring protrusion (112) is provided with a ring-shaped groove for extruding the annular boss on the top surface of the labyrinth cover forging (100).