A cabin body casting pouring system

Abstract

The application discloses a kind of cabin body castings pouring system, including cavity and vertical cylinder slit gate, cavity is cylindrical, vertical cylinder slit gate is evenly arranged along cavity periphery, vertical cylinder slit gate includes slit, vertical cylinder and slit patch, slit patch is arranged on cavity and is communicated with cavity inside, vertical cylinder is communicated with slit patch by slit;Cavity bottom is provided with cross gate, vertical cylinder slit gate is communicated with cross gate;Cavity periphery is evenly provided with first chill, first chill is located in the middle of adjacent slit patch, cavity inner periphery is evenly provided with second chill, second chill is located in slit patch opposite face.This pouring system prevents casting and gate junction overheat by slit patch;Second chill is set in slit patch opposite face, can increase the temperature gradient here, overheat area is moved to slit patch area.The application improves the mechanical properties of cabin body type casting by optimizing the design and size of pouring system.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of casting system, in particular to a cabin body casting pouring system. BACKGROUND

[0002] The cabin body casting is the main load-bearing member in the missile structure, which bears a large external load. This kind of casting has the characteristics of "large, thin-walled, complex and high performance", and is required to have high specific strength (strength / density) and specific stiffness (stiffness / density). Therefore, the material of the cabin body is generally selected from high-strength wrought aluminum alloy or forged aluminum alloy. In the casting process of the cabin body casting, the existing gap runner structure has a large distance between the filling and feeding channels of the metal alloy liquid, and the filling and feeding are difficult, which makes it difficult to guarantee the internal quality of the cabin body rudder installation part, seriously affecting the production progress. Therefore, a pouring structure is needed to solve the problem of guaranteeing the internal quality of the cabin body casting during pouring.

[0003] It should be noted that the above introduction to the technical background is only for the convenience of clearly and completely describing the technical scheme of the present application and facilitating the understanding of those skilled in the art. The above technical scheme cannot be considered as known to those skilled in the art only because it is described in the background section of the present application. SUMMARY

[0004] To solve the above technical problems, the present application provides a cabin body casting pouring system, which effectively solves the overheating problem at the connection between the inner gate and the casting cavity through the innovative design of the gap inner gate and the shape design and layout of the chill, and guarantees the effective feeding, which can be applied to the pouring of cabin body castings with a diameter of 350-1400mm, and improves the internal quality of pouring.

[0005] In order to achieve the above purpose, the present application provides a cabin body casting pouring system, which comprises a cavity and a gap inner gate of a vertical cylinder, the cavity is cylindrical, the gap inner gate of the vertical cylinder is uniformly arranged along the outer periphery of the cavity, the gap inner gate of the vertical cylinder comprises a gap, a vertical cylinder and a gap patch, the gap patch is arranged on the cavity and communicates with the inside of the cavity, and the vertical cylinder communicates with the gap patch through the gap; the bottom of the cavity is provided with a cross runner, and the vertical cylinder communicates with the cross runner; the outer periphery of the cavity is uniformly provided with a first chill, and the first chill is located in the middle of adjacent gap patches; the inner periphery of the cavity is uniformly provided with a second chill, and the second chill is located opposite the gap patch.

[0006] Further, the width of the gap is δ=(1-1.5)×a, wherein a is the thickness of the cavity;

[0007] The diameter of the vertical cylinder is D=(4-6)×δ;

[0008] The length A of the gap is 0.5*D+(20-30mm);

[0009] The thickness B of the gap is 20-50mm;

[0010] The width C of the gap is 50-60mm;

[0011] The thickness of the first chill is (1-1.5)*a;

[0012] The bottom width of the second chill is less than the width of the gap.

[0013] Further, the cross section of the second chill is square near one end of the cavity, the square length E=0.5C, and the width G is 3-5mm;

[0014] The cross section of the second chill is isosceles trapezoid with a base angle α=45° far from the other end of the cavity, the lower base length of the isosceles trapezoid is equal to E, and the height F=(1.5-1.8)*a.

[0015] Further, the distance H between the first chill and the edge of the gap is 10-15mm.

[0016] Further, the diameter of the cavity is 350-1400mm, and the distance between the adjacent vertical cylinders is 200-240mm.

[0017] Further, the transverse gate is inverted trapezoidal structure, and an inner gate is arranged on the transverse gate, the diameter of the inner gate is 90-100mm, and the height is 40mm.

[0018] The above scheme of the present application has the following beneficial effects:

[0019] The cabin body casting pouring system provided by the present application adds a gap subsidy in the gap of the traditional pouring vertical cylinder, which can reduce the overheating of the casting at the gap, and prevent the overheating of the joint between the casting and the gate. At the same time, a second chill is arranged opposite to the gap subsidy, and the shape and size of the second chill are further optimized, the width of the second chill is less than the width of the gap subsidy, which can increase the temperature gradient at the gap, and move the overheating area to the gap subsidy area. At the same time, the width of the second chill will not close the feeding channel of the gap subsidy area, hinder the feeding of the gap subsidy area to the casting body, improve the internal quality of the cabin body casting pouring, and ensure the one-time pouring forming of the casting.

[0020] Other beneficial effects of the present application will be described in detail in the following specific embodiment part. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the overall structure schematic diagram of the pouring system of the present application;

[0022] Figure 2 Fig. 1 is a sectional view of the overall structure of the pouring system of the present application;

[0023] Figure 3 Fig. 1 is a sectional view of the overall structure of the pouring system of the present application; Figure 2 Fig. 1 is a sectional view of the overall structure of the pouring system of the present application;

[0024]

Explanation of Reference Numerals

[0025] 1 - cavity; 2 - slit; 3 - vertical cylinder; 4 - slit shim; 5 - cross gate; 6 - first chill; 7 - second chill. DETAILED DESCRIPTION

[0026] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and should not be used to limit the present application. In the specific embodiments, various specific technical features and embodiments can be combined in any appropriate manner without contradiction, for example, different specific technical features / embodiments can be combined to form different embodiments. In order to avoid unnecessary repetition, various possible combinations of the specific technical features / embodiments in the present application will not be described again.

[0027] It should be noted that the terms "set", "connected" should be understood broadly, for example, it can be directly set, installed, connected, or indirectly set, connected through a centering component or a centering structure. In addition, the "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like in the present application indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the conventional placement state or use state, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the structures, features, devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0028] As Figures 1-3As shown, the present application provides a cabin body casting pouring system, which comprises a cavity 1 and a vertical cylinder slit gate, the cavity 1 is cylindrical, the vertical cylinder slit gate is evenly arranged along the outer periphery of the cavity 1, the vertical cylinder slit gate comprises a slit 2, a vertical cylinder 3 and a slit subsidy 4, the slit subsidy 4 is arranged on the cavity 1 and communicates with the inside of the cavity 1, the vertical cylinder 3 communicates with the slit subsidy 4 through the slit 2, that is, the slit subsidy 4 is added between the slit 2 and the vertical cylinder 3, which can reduce the overheating of the casting at this place, and the overheating of the casting and the gate joint can be prevented through the buffering of the slit subsidy 3. The bottom of the cavity 1 is provided with a cross gate 5, and the vertical cylinder 3 communicates with the cross gate 5; wherein the cross gate 5 is a reverse trapezoidal structure, the cross gate 5 is provided with an inner gate, the diameter of the inner gate is 90-100mm, and the height is 40mm. During pouring, the alloy liquid enters the cross gate 5 through the inner gate, then enters the vertical cylinder 3 through the cross gate 5, and finally the alloy liquid in the vertical cylinder 3 enters the cavity 1 through the slit 2 and the slit subsidy 4.

[0029] Further, the diameter of the cavity 1 is 350-1400mm, the distance between adjacent vertical cylinders 3 is 200-240mm, the outer periphery of the cavity 1 is evenly provided with a first chill 6, the first chill 6 is located in the middle of adjacent slit subsidies 4, the distance H between the first chill 6 and the edge of the adjacent slit subsidy 4 is 10-15mm; at the same time, the inner periphery of the cavity 1 is evenly provided with a second chill 7, and the second chill 7 is located opposite the slit subsidy 4. Wherein, the thickness of the first chill is (1-1.5)×a, wherein a is the thickness (unit: mm) of the cavity 1; the bottom width of the second chill 7 is less than the width of the slit subsidy 4. The width of the second chill 7 is less than the width of the slit subsidy 4, which can increase the temperature gradient at this place and move the overheating area to the slit subsidy area; at the same time, the width of the second chill 7 will not make the shrinkage channel of the slit subsidy area close, which will hinder the shrinkage of the slit subsidy area to the casting body.

[0030] Specifically, the width δ of the slit 2 is (1-1.5)×a;

[0031] The diameter D of the vertical cylinder 3 is (4-6)×δ;

[0032] The length A of the slit 2 is 0.5×D+(20-30mm);

[0033] The thickness B of the slit subsidy 4 is 20-50mm;

[0034] The width C of the slit subsidy 4 is 50-60mm.

[0035] Further, one end of the second chill 7 close to the cavity 1 is square, the length E of the square is 0.5C, and the width G is 3-5mm; the other end of the second chill 7 away from the cavity 1 is an isosceles trapezoid with a base angle α of 45°, the lower base length of the isosceles trapezoid is equal to E, and the height F is (1.5-1.8)×a.

[0036] The cabin body casting pouring system improves the internal quality of the cabin body casting pouring by optimizing the gap patch and the cold iron, and ensures the one-time pouring forming of the casting.

[0037] The above is the preferred embodiment of the present application, it should be pointed out that, for the ordinary skilled in the art, without departing from the principles of the present application, can also be made several improvements and refinements, these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. A system for casting a cabin casting, characterized in that, The application relates to a mold cavity (1) and a vertical cylinder slit gate, wherein the mold cavity (1) is cylindrical, the vertical cylinder slit gate is uniformly arranged along the periphery of the mold cavity (1), the vertical cylinder slit gate comprises a slit (2), a vertical cylinder (3) and a slit supplement (4), the slit supplement (4) is arranged on the mold cavity (1) and communicates with the inside of the mold cavity (1), the vertical cylinder (3) communicates with the slit supplement (4) through the slit (2), a cross runner (5) is arranged at the bottom of the mold cavity (1), the vertical cylinder (3) communicates with the cross runner (5), first chillers (6) are uniformly arranged on the periphery of the mold cavity (1), the first chillers (6) are located in the middle of adjacent slit supplements (4), second chillers (7) are uniformly arranged on the inner periphery of the mold cavity (1), the second chillers (7) are located opposite the slit supplements (4), and an inner gate is arranged on the cross runner (5). During pouring, alloy liquid enters the cross runner (5) through the inner gate, then enters the vertical cylinder (3) through the cross runner (5), and finally enters the mold cavity (1) through the slit (2) and the slit supplement (4) in the vertical cylinder (3).

2. The pod casting system of claim 1, wherein, The width of the slit (2) is delta= (1-1.5) * a, wherein a is the thickness of the mold cavity (1); The diameter of the vertical cylinder (3) is D= (4-6) * delta; The length of the slit (2) is A=0.5 * D+ (20-30mm); The thickness of the slit supplement (4) is B=20-50mm; The width of the slit supplement (4) is C=50-60mm; The thickness of the first chiller (6) is (1-1.5) * a; The bottom width of the second chiller (7) is smaller than the width of the slit supplement (4).

3. The pod casting system of claim 2, wherein, The end of the second chiller (7) close to the mold cavity (1) is square, the length of the square is E=0.5 * C, and the width is G=3-5mm; The end of the second chiller (7) far from the mold cavity (1) is an isosceles trapezoid with a bottom angle alpha=45 degrees, the lower base length of the isosceles trapezoid is equal to E, and the height F= (1.5-1.8) * a.

4. The pod casting system of claim 2, wherein, The distance H between the first chiller (6) and the edge of the adjacent slit supplement (4) is 10-15mm.

5. The pod casting system of claim 1, wherein, The diameter of the mold cavity (1) is 350-1400mm, and the distance between adjacent vertical cylinders (3) is 200-240mm.

6. The pod casting system of claim 1, wherein, The cross runner (5) is an inverted trapezoidal structure, the diameter of the inner gate is 90-100mm, and the height is 40mm.

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