High-strength steel branch pipe compression molding tire mold
By optimizing the mold structure of the press-forming membrane mold of the high-strength steel fender press, the problem of low molding accuracy and efficiency of the high-strength steel fender press is solved, high-precision and efficient production are achieved, and cost is reduced. It is suitable for the manufacturing of high-strength steel fender pipes in the field of water conservancy and hydropower.
Patent Information
- Application Number
- CN202422336200.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-24
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-09-24
AI Technical Summary
The existing high-strength steel back pipe has low molding accuracy, low production efficiency and high cost, making it difficult to meet the needs of modern industries.
A high-strength steel fork-tube press-forming membrane mold was designed. By optimizing the mold structure, a freely adjusted screw control system and wear-resistant mold steel are adopted to achieve uniform deformation of high-strength steel materials and improve mold quality and production efficiency.
It improves the forming accuracy of high-strength steel fork pipes, shortens the production cycle, reduces costs, and enhances market competitiveness. It is suitable for large-scale industrial production.
Smart Images
Figure CN223171752U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of metal forming dies, and particularly relates to a die for hot pressing forming of a 1000MPa high-strength steel bifurcated pipe. Background Art
[0002] With the continuous development of engineering technology, the demand for high-strength steel bifurcated pipes is increasing day by day. High-strength steel bifurcated pipes are widely used in the fields of water conservancy and hydropower, and their performance requirements are extremely high, especially the stability and durability under high pressure and complex stress environments. However, the existing forming accuracy of medium and high-strength steel bifurcated pipes is not high, the production efficiency is low, and the cost is high. The forming die of the bifurcated pipe cannot meet the forming requirements of high-strength steel materials and is difficult to meet the needs of modern industry. Summary of the Invention
[0003] The purpose of the utility model is to provide a die for hot pressing forming of a high-strength steel bifurcated pipe. By optimizing the die structure, the die realizes uniform deformation of high-strength steel materials during the pressing process, and improves the forming quality and production efficiency of products.
[0004] The technical solution of the utility model is as follows:
[0005] A die for hot pressing forming of a high-strength steel bifurcated pipe, comprising: a lower die press fixing frame 1, a lower die fixing pressing plate 2, a lower die fixing T-head bolt 3, a lower die 4, an upper die 5, an upper die press fixing frame 6, a freely adjustable screw rod control system 7, and an upper die fixing T-head bolt 8; the lower die 4 is placed on the upper surface of the lower die press fixing frame 1, and the lower die 4 is fixed on the lower die press fixing frame 1 through the lower die fixing pressing plate 2 and the lower die fixing T-head bolt 3. There are two lower dies 4, which are on the same plane and have a certain distance between them. The upper die 5 is placed on the upper die press fixing frame 6 and is fixed on the upper die press fixing frame 6 through the upper die fixing T-head bolt 8. The upper die 5 and the upper die press fixing frame 6 are placed on the upper surface of the lower die 4 and are located in the middle of the two lower dies 4.
[0006] Further, the distance between the two lower dies 4 is adjusted by the freely adjustable screw rod 7.
[0007] Further, there are several rectangular small holes on the lower die 4 and the lower die fixing pressing plate 2. The lower die fixing pressing plate 2 is inserted into the small holes, and the T-head bolt 3 is fixed on the lower die fixing pressing plate 2.
[0008] Further, there are several U-shaped holes on the upper die 5, which are convenient for loading and unloading the upper die fixing T-head bolt (8).
[0009] Further, the cross section of the upper die 5 is T-shaped, and there are several T-shaped grooves on the upper die press fixing frame 6.
[0010] The positive effects of the utility model:
[0011] 1. It improves the forming accuracy of the high-strength steel bifurcated pipe and reduces the workload of subsequent processes.
[0012] 2. It shortens the production cycle and improves the production efficiency.
[0013] 3. It reduces the production cost and enhances the market competitiveness of the product.
[0014] 4. It realizes the multi-structure adaptability in production and reduces the traditional loss cost.
[0015] The utility model has a reasonable structure, good durability, high production efficiency, the structure can be adjusted in degrees of freedom, is easy to measure and detect, and reduces the detection, measurement and calibration working time. It is applicable to large-scale industrial production and has remarkable economic and social benefits. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, for those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 It is a structural diagram of the lower die of the present utility model.
[0018] Figure 2 It is a structural diagram of the upper die of the present utility model.
[0019] Figure 3 、 Figure 4 It is a schematic diagram of the overall structure of the die of the present utility model.
[0020] In the figure: 1 - lower die press fixing frame, 2 - lower die fixing pressing plate, 3 - lower die fixing T-head bolt, 4 - lower die, 5 - upper die, 6 - upper die press fixing frame, 7 - freely adjustable screw control system, 8 - upper die fixing T-head bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] In order to make the purpose, technical solutions and advantages of the present utility model more clear, the following further details the present utility model in combination with embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.
[0022] Such as Figures 1-4As shown in the figure, a high-strength steel bifurcated pipe pressing and forming die includes: a lower die press fixing frame 1, a lower die fixing pressing plate 2, a lower die fixing T-head bolt 3, a lower die 4, an upper die 5, an upper die press fixing frame 6, a freely adjustable screw control system 7, and an upper die fixing T-head bolt 8. The lower die 4 is placed on the upper surface of the lower die press fixing frame 1. The lower die 4 is fixed to the lower die press fixing frame 1 through the lower die fixing pressing plate 2 and the lower die fixing T-head bolt 3. There are two lower dies 4, which are on the same plane and have a certain distance between them. The upper die 5 is placed on the upper die press fixing frame 6 and is fixed through the upper die fixing T-head bolt 8. The upper die 5 and the upper die press fixing frame 6 are placed above the lower die 4 and are located in the middle of the two lower dies 4.
[0023] Preferably, the distance between the two lower dies 4 is adjusted by the freely adjustable screw 7.
[0024] Preferably, there are several rectangular small holes and a lower die fixing pressing plate 2 on the lower die 4. The lower die fixing pressing plate 2 is inserted into the small holes, and the T-head bolt 3 is fixed to the lower die fixing pressing plate 2.
[0025] Preferably, there are several U-shaped holes on the upper die 5 to facilitate the loading and unloading of the upper die fixing T-head bolt (8).
[0026] Preferably, the cross-section of the upper die 5 is T-shaped, and there are several T-shaped grooves on the upper die press fixing frame 6.
[0027] Manufacturing and usage method:
[0028] After each component is manufactured and processed in the factory, it is transported to the construction site for installation. First, calculate the 1000MPa grade high-strength steel plate parts to be formed, calculate the distance between the two ends of the lower die, and after adjusting through the freely adjustable screw 7, fix it to the lower die press fixing frame 1 by using the lower die fixing pressing plate 2 and the die fixing T-head bolt 3, and then the pressing can begin. Place the plate parts on the lower die 4, and then control the upper die 5 to close through the hydraulic system, and apply an appropriate pressure to make the steel plate plastically deform according to the shape of the die. After the pressing is completed, the die is opened, and the formed high-strength steel bifurcated pipe is taken out for subsequent processing.
[0029] The upper and lower dies are made of high-strength wear-resistant die steel. The upper and lower dies are fixed to the press fixing frame by bolts. The contact surface between the die and the plate is a base material indentation protection layer, which is composed of a composite of nylon and thin copper plates, protecting the surface of the steel plate from being affected by indentations. This protection layer is a detachable and replaceable structure.
[0030] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.
[0031] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
Claims
1. A high-strength steel bifurcated pipe pressing and forming die set, characterized in that: It includes a lower die pressing machine fixing frame (1), a lower die fixing pressing plate (2), a lower die fixing T-head bolt (3), a lower die (4), an upper die (5), an upper die pressing machine fixing frame, a screw rod control system with free adjustment, and an upper die fixing T-head bolt (8); the lower die (4) is placed on the upper surface of the lower die pressing machine fixing frame (1), and the lower die (4) is fixed on the lower die pressing machine fixing frame (1) through the lower die fixing pressing plate (2) and the lower die fixing T-head bolt (3). There are two lower dies (4) which are on the same plane and have a certain distance between them. The upper die (5) is placed on the upper die pressing machine fixing frame and is fixed through the upper die fixing T-head bolt (8). The upper die (5) and the upper die pressing machine fixing frame are placed above the lower die (4) and are located in the middle of the two lower dies (4).
2. The high-strength steel bifurcated pipe pressing and forming die according to claim 1, wherein: The distance between the two lower dies (4) is adjusted by a screw rod with free adjustment.
3. A high-strength steel bifurcated pipe pressing and forming die according to claim 1, characterized in that: There are several rectangular small holes and a lower die fixing pressing plate (2) on the lower die (4). The lower die fixing pressing plate (2) is inserted into the small holes, and the T-head bolt (3) is fixed on the lower die fixing pressing plate (2).
4. A high-strength steel bifurcated pipe pressing and forming die according to claim 1, characterized in that: There are several U-shaped holes on the upper die (5).
5. A high-strength steel bifurcated pipe pressing and forming die according to claim 1, characterized in that: The cross-section of the upper die is T-shaped, and there are several T-shaped grooves on the upper die pressing machine fixing frame.