Ductile iron casting shrinkage device for speed reducer shell

Abstract

The utility model relates to a ductile iron casting shrinkage porosity device for a speed reducer shell, which comprises a vibration rack and is characterized in that a bearing base is arranged on the lower side of the vibration rack, four groups of sliding rods which are uniformly distributed are fixedly arranged on the upper end face of the bearing base, and vibration springs which can do telescopic motion are fixedly arranged on the outer circular surfaces of the sliding rods. The outer circle face of the sliding rod is in sliding connection with the vibration rack, centrifugal shafts which are in bilateral symmetry are rotationally arranged in the vibration rack and penetrate through the vibration rack, a centrifugal rack is fixedly arranged on the outer circle faces of the centrifugal shafts, a power shaft is rotationally arranged on the right end face of the vibration rack, and a swing rack is fixedly arranged on the outer circle face of the power shaft. The positions of speed reducer shells of different sizes and different models are adjusted, the position needing to be filled and the injection amount are accurately controlled, high-frequency vibration is generated, bubbles are accurately discharged during injection, and the working efficiency and stability are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of shrinkage, in particular to a ductile iron casting shrinkage device for a reducer housing. Background Art

[0002] Shrinkage refers to the formation of scattered and tiny shrinkage cavities in the last solidified area of ​​the casting without the shrinkage supplementation of liquid metal or alloy. Most shrinkage cavities are hidden inside the casting and are not easily detected from the outside.

[0003] The existing technologies on the market cannot accurately fill the shrinkage at different positions of the ductile iron castings of the reducer housing, and the internal metal filling will cause bubbles in the air to enter, which requires secondary filling. The patent with application number: CN201821311437.7 can meet the shrinkage filling requirements, but requires secondary filling, and cannot handle the bubbles generated during filling, making it difficult to handle the shrinkage in some gaps of the reducer housing. Utility Model Content

[0004] The utility model aims to provide a ductile iron casting shrinkage device for a reducer housing, so as to overcome the above-mentioned defects in the prior art.

[0005] According to the utility model, a ductile iron casting shrinkage device for a reducer housing includes a vibration frame, a load-bearing base is provided at the lower side of the vibration frame, four groups of sliding rods are fixedly provided with evenly distributed on the upper end surface of the load-bearing base, a vibration spring capable of telescopic movement is fixedly provided on the outer circular surface of the sliding rod, the outer circular surface of the sliding rod is slidably connected to the vibration frame, a left-right symmetrical centrifugal shaft is rotatably provided in the vibration frame and passes through the vibration frame, a centrifugal frame is fixedly provided on the outer circular surface of the centrifugal shaft, a power shaft is rotatably provided on the right end surface of the vibration frame, and a swing frame is fixedly provided on the outer circular surface of the power shaft.

[0006] Preferably, the swing frame is provided with a push cavity which opens upward and is symmetrical on both sides, the push cavity is provided with a rotating shaft which is symmetrical on both sides, a push slider which can move left and right is provided on the outer circular surface of the rotating shaft, and a clamping frame is fixedly provided on the upper end surface of the push slider.

[0007] Preferably, a feed frame is fixedly provided on the outer circumferential surface of the load-bearing base, the feed frame is provided with a guide cavity opening outward, a guide shaft is rotatably provided between the upper and lower walls of the guide cavity, and a sliding block which can move up and down is provided on the outer circumferential surface of the guide shaft.

[0008] Preferably, a lifting frame is fixedly provided on the right end surface of the sliding slider, a rotating moving shaft is provided inside the lifting frame, a moving slider that can move left and right is provided on the outer circular surface of the moving shaft, and a pneumatic lifting rod that can telescopically move is fixedly provided on the right end surface of the moving slider.

[0009] Preferably, an injection cavity is fixedly provided at the other end of the pneumatic lifting rod, an injection head is fixedly provided at the lower end surface of the injection cavity, and a left-right symmetrical scanner is fixedly provided on the right end surface of the injection cavity.

[0010] Compared with the prior art, the advantages of the utility model are:

[0011] 1. The utility model is provided with a rotating power shaft, which drives the swing frame and the injection head to move in coordination with each other, so as to adjust the position of reducer shells of different sizes and models, and further enable it to accurately inject molten iron at different positions. A scanner is provided inside, so as to accurately control the position to be filled and the injection amount, so as to achieve the most suitable injection amount, further ensuring the efficiency and accuracy of the work.

[0012] 2. The utility model is slidably connected to the vibration frame through the outer cylindrical surface of the sliding rod, a left-right symmetrical centrifugal shaft is rotatably arranged in the vibration frame and penetrates the vibration frame, a centrifugal frame is fixedly arranged on the outer cylindrical surface of the centrifugal shaft, and a power shaft is rotatably arranged on the right end surface of the vibration frame, so that high-frequency vibration is generated while injecting molten iron, so that bubbles are accurately discharged during injection, and no secondary filling is required, thereby ensuring work efficiency and stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the appearance of the utility model;

[0014] Figure 2 It is a schematic diagram of the appearance of the utility model;

[0015] Figure 3 It is a schematic diagram of the appearance of the utility model;

[0016] Figure 4 It is a schematic diagram of the appearance of the utility model;

[0017] Figure 5 This utility model Figure 3 Schematic diagram of AA in the middle;

[0018] Figure 6 This utility model Figure 3 Schematic diagram of the middle BB;

[0019] Figure 7 For this utility model Figure 2 Schematic diagram of the appearance structure of the middle injection cavity;

[0020] Figure 8 For this utility model Figure 2 Schematic diagram of the appearance structure of the sliding rod.

[0021] In the figure:

[0022] 11. Vibration frame; 12. Swing frame; 13. Sliding rod; 14. Vibration spring; 15. Load-bearing base; 16. Guide cavity; 17. Guide shaft; 18. Moving shaft; 19. Feed frame; 20. Sliding slider; 21. Lifting frame; 22. Centrifugal frame; 23. Clamping frame; 24. Moving slider; 25. Rotating shaft; 26. Centrifugal shaft; 27. Power shaft; 28. Injection cavity; 29. ​​Injection head; 30. Scanner; 31. Pneumatic lifting rod; 32. Push slider; 33. Push cavity. DETAILED DESCRIPTION

[0023] The following describes the embodiments of the present invention in detail, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be construed as limiting the present invention.

[0024] Type restrictions.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0027] Example 1

[0028] See also Figure 1-Figure 8, is an embodiment of a ductile iron casting shrinkage device for a reducer housing according to an embodiment of the utility model, comprising a vibration frame 11, a load-bearing base 15 is provided at the lower side of the vibration frame 11, four groups of sliding rods 13 evenly distributed are fixedly provided on the upper end surface of the load-bearing base 15, a vibration spring 14 capable of telescopic movement is fixedly provided on the outer cylindrical surface of the sliding rod 13, the outer cylindrical surface of the sliding rod 13 is slidably connected to the vibration frame 11, a left-right symmetrical centrifugal shaft 26 is rotatably provided in the vibration frame 11 and penetrates the vibration frame 11, a centrifugal frame 22 is fixedly provided on the outer cylindrical surface of the centrifugal shaft 26, a power shaft 27 is rotatably provided on the right end surface of the vibration frame 11, and a swing frame 12 is fixedly provided on the outer cylindrical surface of the power shaft 27.

[0029] The centrifugal shafts 26 on both sides start to rotate at high speed, thereby driving the centrifugal frame 22 to start centrifugal movement, and then driving the vibration frame 11 to start high-speed swinging, further realizing the discharge of internal bubbles during shrinkage, accelerating the shrinkage time, and further improving the shrinkage quality and rate.

[0030] Example 1

[0031] Reference Figure 1-Figure 8 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment. Specifically, the swing frame 12 is provided with a pushing cavity 33 which opens upward and is symmetrical on the left and right. A rotating shaft 25 which is rotatable and symmetrical on the left and right is provided in the pushing cavity 33. A pushing slider 32 which can move left and right is provided on the outer circular surface of the rotating shaft 25, and a clamping frame 23 is fixedly provided on the upper end surface of the pushing slider 32.

[0032] As the rotating shaft 25 starts to rotate, it drives the clamping frame 23 to accurately fix the reducer housing, and then cooperates with the rotating power shaft 27 to further achieve accurate adjustment of any position of the reducer housing and any angle that needs to be repaired, thereby improving the stability and quality of shrinkage.

[0033] Example 3

[0034] Reference Figure 1-Figure 8, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. During use, a feed frame 19 is fixedly provided on the outer circumferential surface of the load-bearing base 15. The feed frame 19 is provided with a guide cavity 16 opening outward. A guide shaft 17 is rotatably provided between the upper and lower walls of the guide cavity 16. A sliding block 20 that can move up and down is provided on the outer circumferential surface of the guide shaft 17. A lifting frame 21 is fixedly provided on the right end surface of the sliding block 20. A rotating moving shaft 18 is provided in the lifting frame 21. A moving block 24 that can move left and right is provided on the outer circumferential surface of the moving shaft 18. A pneumatic lifting rod 31 that can telescopically move is fixedly provided on the right end surface of the moving block 24. An injection cavity 28 is fixedly provided on the other end of the pneumatic lifting rod 31. An injection head 29 is fixedly provided on the lower end surface of the injection cavity 28. A left-right symmetrical scanner 30 is fixedly provided on the right end surface of the injection cavity 28.

[0035] At this time, the height is adjusted according to different types of reducer shells. At this time, the guide shaft 17 rotates, thereby driving the sliding slider 20 to start adjusting the height. At this time, the scanner 30 scans the reducer shell, thereby achieving accurate injection of molten iron into shrinkage areas at different positions.

[0036] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A ductile iron casting shrinkage device for a reducer housing, comprising a vibrating frame (11), characterized in that: A load-bearing base (15) is provided at the lower side of the vibration frame (11); four groups of sliding rods (13) are evenly distributed and fixedly provided on the upper end surface of the load-bearing base (15); a vibration spring (14) capable of telescopic movement is fixedly provided on the outer circumference of the sliding rod (13); the outer circumference of the sliding rod (13) is slidably connected to the vibration frame (11); a left-right symmetrical centrifugal shaft (26) is rotatably provided inside the vibration frame (11) and penetrates the vibration frame (11); a centrifugal frame (22) is fixedly provided on the outer circumference of the centrifugal shaft (26); a power shaft (27) is rotatably provided on the right end surface of the vibration frame (11); a swing frame (12) is fixedly provided on the outer circumference of the power shaft (27).

2. The ductile iron casting shrinkage device for a reducer housing according to claim 1, characterized in that: The swing frame (12) is provided with a pushing cavity (33) which opens upward and is symmetrical on both sides. A rotating shaft (25) which rotates and is symmetrical on both sides is provided in the pushing cavity (33). A pushing slider (32) which can move left and right is provided on the outer circumferential surface of the rotating shaft (25). The clamping frame (23) is fixedly provided on the upper end surface of the pushing slider (32).

3. The ductile iron casting shrinkage device for a reducer housing according to claim 1, characterized in that: A feed frame (19) is fixedly provided on the outer circumferential surface of the load-bearing base (15), and the feed frame (19) is provided with a guide cavity (16) opening outward, and a guide shaft (17) is rotatably provided between the upper and lower walls of the guide cavity (16).

4. A ductile iron casting shrinkage device for a reducer housing according to claim 3, characterized in that: The outer circumferential surface of the guide shaft (17) is provided with a sliding block (20) which can move up and down, and a lifting frame (21) is fixedly provided on the right end surface of the sliding block (20), and a rotating moving shaft (18) is provided inside the lifting frame (21).

5. A ductile iron casting shrinkage device for a reducer housing according to claim 4, characterized in that: The outer circumferential surface of the movable shaft (18) is provided with a movable slider (24) capable of moving left and right, a pneumatic lifting rod (31) capable of telescopic movement is fixedly provided on the right end surface of the movable slider (24), and an injection cavity (28) is fixedly provided at the other end of the pneumatic lifting rod (31).

6. A ductile iron casting shrinkage device for a reducer housing according to claim 5, characterized in that: An injection head (29) is fixedly provided on the lower end surface of the injection cavity (28), and a left-right symmetrical scanner (30) is fixedly provided on the right end surface of the injection cavity (28).

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