High-strength steel casting

By absorbing gas from the mold during the casting process and combining it with automatic demolding technology, the problem of porosity in castings has been solved, improving the strength and production efficiency of cast steel parts and reducing safety risks.

CN223557197UActive Publication Date: 2025-11-18JIANGSU SUWEI VALVE
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Patent Information

Application Number
CN202423051633.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-18
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing castings have porosity inside or on the surface after cooling and forming due to gas in the mold during the casting process, which affects strength and structural integrity. In addition, the demolding operation is unstable and poses a safety risk.

Method used

By using an air pump, air pipe, sealing block and suction nozzle in combination, the gas in the mold is absorbed. Combined with the cooperation of hydraulic cylinder, push rod and material unloading block, automatic demolding is achieved, which ensures the density and structural integrity of the casting and improves demolding efficiency.

Benefits of technology

It effectively reduces internal porosity in castings, improves the strength and density of cast steel parts, shortens production cycles, reduces worker injury risks, and ensures safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-strength steel casting which comprises a mold, the upper surface of the mold is rotationally connected with a mold cover, the upper surface of the mold cover is fixedly connected with a sprue gate, a containing groove is formed in the mold, the outer surface of the mold is fixedly connected with a supporting plate, the upper surface of the supporting plate is fixedly connected with an air pump, and the output end of the air pump is fixedly connected with an air pipe. The end, away from the air pump, of the air pipe is fixedly connected with a suction nozzle, and the outer surface of the suction nozzle is fixedly connected with a sealing clamping block. Through cooperation of the air pump, the air pipe, the sealing clamping block and the suction nozzle, air in a mold can be absorbed before a steel casting is cast, the air content is reduced, generation of air holes in the casting can be reduced, and therefore internal defects of the casting are reduced; the compactness and the structural integrity of the casting are ensured, so that the strength of the steel casting is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to cast steel technical field especially relates to a high strength cast steel. BACKGROUND

[0002] The castings are metal forming objects obtained by various casting methods, that is, the liquid metal after smelting is poured, injected, inhaled or other casting methods into the pre-prepared casting mold, and after cooling, the subsequent processing means such as polishing are obtained The object with certain shape, size and performance, but the existing castings may have pores in the internal or surface of the workpiece after cooling and forming due to the large amount of gas in the mold during casting, which affects the strength of the workpiece, such as China disclosed "a high strength stainless steel casting", its application number is: "CN202321887443.8", when the flow of medium through the stainless steel valve body is adjusted by the adjusting piece driving shaft to drive the adjusting plate, the adjusting plate is locked in the preset position corresponding to the preset flow of the medium, and then the adjusting plate in the stainless steel casting can be kept in the preset position for a long time, but it cannot absorb the gas in the mold before pouring the cast steel, so as to reduce the generation of pores in the castings, ensure the compactness and structural integrity of the castings and improve the strength of the cast steel, and it cannot complete the demolding operation quickly and stably. SUMMARY

[0003] The utility model discloses a kind of high strength cast steels, by the cooperation of air pump, air pipe, sealing block and suction nozzle, gas in mold can be absorbed before pouring cast steel, reduce gas content, can reduce the generation of pores in the castings, so as to reduce internal defects of castings, ensure the compactness and structural integrity of the castings, so as to improve the strength of the cast steel;By the cooperation of hydraulic cylinder, push rod and blanking block, it can be automatically demoulded, can complete demolding operation quickly and stably, reduce production cycle, improve overall production efficiency, significantly reduce the risk that worker is injured due to accident in operation process, ensure worker safety.

[0004] The utility model discloses still provide with above-mentioned one kind high strength cast steel piece, it includes: mould, the upper surface of mould is rotatably connected with mould cover, the upper surface of mould cover is fixedly connected with pouring gate, be provided with the placing groove in the mould, the outer surface of mould is fixedly connected with support plate, the upper surface of support plate is fixedly connected with air pump, the output of air pump is fixedly connected with trachea, the one end of trachea away from air pump is fixedly connected with suction nozzle, the outer surface of suction nozzle is fixedly connected with sealed clamping block, hydraulic cylinder, the output of hydraulic cylinder is fixedly connected with push rod, the one end of push rod away from hydraulic cylinder is fixedly connected with blanking block, can absorb the gas in mould before casting cast steel piece through the cooperation of air pump, trachea, sealed clamping block and suction nozzle, reduce the gas content, can reduce the generation of blowhole in castings, thereby reduce the internal defects of castings, ensure the compactness and structural integrity of castings, thereby improve the strength of cast steel piece, can automatically demould through the cooperation of hydraulic cylinder, push rod and blanking block, can complete demoulding operation quickly and stably, reduce production cycle, improve overall production efficiency, significantly reduce the risk of injury of workers due to accidents in the operation process, ensure the safety of workers.

[0005] According to the high-strength cast steel piece, the blanking block is movably connected with the placing groove, and the push rod is movably connected with the mold.

[0006] According to the high-strength cast steel piece, the outer surface of the mold is fixedly connected with a support rod, and the other end of the support rod is fixedly connected with a snap ring.

[0007] According to the high-strength cast steel piece, the air pipe is a hose, and the air pipe is movably connected with the snap ring.

[0008] According to the high-strength cast steel piece, the sealing clamping block is movably connected with the pouring gate, and the suction nozzle is movably connected with the pouring gate.

[0009] According to the high-strength cast steel piece, the blanking block is movably connected with the mold, and the lower surface of the mold is fixedly connected with a support leg.

[0010] According to the high-strength cast steel piece, the lower surface of the support leg is fixedly connected with a mounting plate, and the mounting plate is fixedly connected with the hydraulic cylinder.

[0011] The utility model discloses a high strength cast steel piece, cast steel piece is poured in the mould, the cast steel piece contains chromium, molybdenum, manganese element, the addition of chromium can improve the strength and hardness of cast steel, make the cast product less deformation under the mechanical load, molybdenum can significantly improve the strength and stability of cast steel piece under high temperature condition, the addition of molybdenum can promote the refinement of grain in the casting process, thereby improving the comprehensive mechanical property of cast steel, the addition of manganese can significantly improve the tensile strength and hardness of cast steel.

[0012] Beneficial effects

[0013] 1, compared with prior art, the novel high strength cast steel piece, through the cooperation of air pump, air pipe, sealing block and suction nozzle, can absorb the gas in the mould before pouring cast steel piece, reduce the gas content, can reduce the generation of blowhole in cast piece, thereby reducing the internal defects of cast piece, ensuring the compactness and structural integrity of cast piece, thereby improving the strength of cast steel piece.

[0014] 2, compared with prior art, the novel high strength cast steel piece, through the cooperation of hydraulic cylinder, push rod and blanking block, can automatically demould, can quickly and stably complete demoulding operation, reduce production cycle, improve overall production efficiency, significantly reduce the risk of workers being injured due to accidents in the operation process, ensure the safety of workers. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and examples;

[0016] Figure 1 It is the side view structure diagram of the utility model high strength cast steel piece;

[0017] Figure 2 It is the bottom view structure diagram of the utility model high strength cast steel piece;

[0018] Figure 3 It is the mould internal structure diagram of the utility model high strength cast steel piece;

[0019] Figure 4 It is the hydraulic cylinder connecting structure schematic diagram of the utility model high strength cast steel piece.

[0020] Legend:

[0021] 1, mould, 2, mould cover, 3, pouring gate, 4, placing groove, 5, hydraulic cylinder, 6, push rod, 7, blanking block, 8, support plate, 9, air pump, 10, air pipe, 11, sealing block, 12, suction nozzle, 13, support rod, 14, snap ring, 15, support leg, 16, mounting plate. DETAILED DESCRIPTION

[0022] The detailed embodiments of the present application will be described in this section, and the preferred embodiments of the present application are shown in the drawings, which serve to supplement the description in the text part of the specification, so that each technical feature and the overall technical scheme of the present application can be understood intuitively and visually by the person skilled in the art, but it cannot be understood as a limitation on the protection scope of the present application.

[0023] Referring to Figures 1-4 The present application discloses a kind of high-strength cast steel parts, it includes: mould 1, for casting cast steel piece and support entire device, the upper surface of mould 1 is rotatably connected with mould cover 2, for covering mould 1, the upper surface of mould cover 2 is fixedly connected with pouring gate 3, for casting material, setting groove 4 is provided in mould 1, for placing blanking block 7, the outer surface of mould 1 is fixedly connected with support plate 8, for supporting air pump 9 connecting structure, the upper surface of support plate 8 is fixedly connected with air pump 9, for extracting gas, the output end of air pump 9 is fixedly connected with air pipe 10, for conveying gas, the end of air pipe 10 away from air pump 9 is fixedly connected with suction nozzle 12, for absorbing the gas in mould 1, the outer surface of suction nozzle 12 is fixedly connected with sealing clamping block 11, for sealing pouring gate 3 with clamping;Hydraulic cylinder 5, for providing power for push rod 6, the output end of hydraulic cylinder 5 is fixedly connected with push rod 6, for pushing blanking block 7, the end of push rod 6 away from hydraulic cylinder 5 is fixedly connected with blanking block 7, for pushing out the workpiece in mould 1.

[0024] Blanking block 7 is movably connected with setting groove 4, push rod 6 is movably connected with mould 1, for push rod 6 and blanking block 7 movement, the outer surface of mould 1 is fixedly connected with support rod 13, for supporting clamping ring 14, the other end of support rod 13 is fixedly connected with clamping ring 14, for not using, fixedly placed air pipe 10, air pipe 10 is specifically hose, air pipe 10 is movably connected with clamping ring 14, sealing clamping block 11 is movably connected with pouring gate 3, suction nozzle 12 is movably connected with pouring gate 3, for inserting suction nozzle 12 into pouring gate 3 and sealing through sealing clamping block 11, blanking block 7 is movably connected with mould 1, the lower surface of mould 1 is fixedly connected with support leg 15, for supporting mounting plate 16, the lower surface of support leg 15 is fixedly connected with mounting plate 16, for supporting and fixing hydraulic cylinder 5, mounting plate 16 is fixedly connected with hydraulic cylinder 5, cast steel piece is cast in mould 1, cast steel piece contains chromium, molybdenum, manganese element, for improving the strength of cast steel piece.

[0025] Working principle: in use, insert suction nozzle 12 into pouring gate 3, and seal pouring gate 3 with clamping through sealing clamping block 11, then air pump 9 absorbs the gas in mould 1 through air pipe 10 and suction nozzle 12, reduces gas content, then cast steel piece is cast in mould 1 through pouring gate 3, cast steel piece contains chromium, molybdenum, manganese element to enhance tool strength, after casting forming, open mould cover 2, then hydraulic cylinder 5 pushes out push rod 6, push rod 6 pushes out blanking block 7, blanking block 7 pushes out workpiece demolding blanking.

[0026] The utility model embodiment has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, still can make various changes in the knowledge range possessed by the ordinary skilled in the art without departing from the utility model's tenet.

Claims

1. A high-strength cast steel member, characterized by, Include: The upper surface of the mold (1) is rotatably connected with the mold cover (2), the upper surface of the mold cover (2) is fixedly connected with the pouring gate (3), the mold (1) is provided with the placing groove (4), the outer surface of the mold (1) is fixedly connected with the support plate (8), the upper surface of the support plate (8) is fixedly connected with the air pump (9), the output end of the air pump (9) is fixedly connected with the air pipe (10), the end of the air pipe (10) away from the air pump (9) is fixedly connected with the suction nozzle (12), the outer surface of the suction nozzle (12) is fixedly connected with the sealing clamp block (11); The output end of the hydraulic cylinder (5) is fixedly connected with the push rod (6), and the end of the push rod (6) away from the hydraulic cylinder (5) is fixedly connected with the blanking block (7).

2. A high strength cast steel part according to claim 1, characterized in that The blanking block (7) is movably connected with the placing groove (4), and the push rod (6) is movably connected with the mold (1).

3. A high strength cast steel part according to claim 1, characterized in that, The outer surface of the mold (1) is fixedly connected with the support rod (13), and the other end of the support rod (13) is fixedly connected with the clamping ring (14).

4. A high strength cast steel part according to claim 1, characterized in that, The air pipe (10) is a hose, and the air pipe (10) is movably connected with the clamping ring (14).

5. A high strength cast steel part as defined in claim 1, wherein, The sealing clamp block (11) is movably connected with the pouring gate (3), and the suction nozzle (12) is movably connected with the pouring gate (3).

6. A high strength cast steel part as defined in claim 1, wherein, The blanking block (7) is movably connected with the mold (1), and the lower surface of the mold (1) is fixedly connected with the support leg (15).

7. A high strength cast steel part according to claim 6, characterized in that The lower surface of the support leg (15) is fixedly connected with the mounting plate (16), and the mounting plate (16) is fixedly connected with the hydraulic cylinder (5).

8. A high strength cast steel part as defined in claim 1, wherein, The mold (1) is cast with a cast steel piece, and the cast steel piece contains chromium, molybdenum and manganese elements.

Citation Information

Patent Citations

  • High-strength stainless steel casting

    CN220286459U