Cooling device for air-cooling solidification of nodular iron casting

Abstract

The utility model discloses a cooling device for air-cooled solidification of nodular iron castings, which belongs to the technical field of graphite cast iron, and is characterized by comprising a cooling box, a hollow placing plate is fixedly connected to the rear side of the inner wall of the cooling box, and first air-cooled pipes are arranged on both sides of the cooling box; the opposite sides of the two first air cooling pipes penetrate into an inner cavity of the cooling box and communicate with hoses, the other ends of the hoses communicate with adapter pipes, transmission assemblies used in cooperation with the adapter pipes are arranged on the front sides of the two sides of the inner cavity of the cooling box correspondingly, and a second air cooling pipe communicates with the top of the cooling box. The problems that an existing cooling device generally can only cool a single iron casting or a small number of iron castings, so that the production efficiency is low, an air supply pipe of the existing cooling device is generally fixed and cannot move, so that the part close to an air opening is cooled quickly, the part far away from the air opening is cooled slowly, the cooling time is not uniform enough, and the production cost is low are solved. And the cooling efficiency is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of ductile iron castings, in particular to a cooling device for wind cooling and solidification of ductile iron castings. Background Art

[0002] Ductile iron is a high-strength cast iron material developed in the 1950s. Its comprehensive performance is close to that of steel. Based on its excellent performance, it has been successfully used to cast some parts with complex force and high requirements for strength, toughness and wear resistance. Ductile iron has rapidly developed into a widely used cast iron material second only to gray cast iron. The so-called "iron replacing steel" mainly refers to ductile iron.

[0003] At present, the Chinese patent with announcement number CN219746302U discloses a wind cooling and solidification device for ductile iron castings, which relates to the technical field of ductile iron castings, and comprises a base, an outer wall of the base is fixedly connected with a device body, an inner wall of the device body is fixedly connected with a limiting component, an outer wall of the limiting component is fixedly connected with a wind cooling frame, an inner wall of the wind cooling frame is provided with a sliding groove, an inner wall of the sliding groove is snap-connected with a sliding block, an outer wall of the sliding block is fixedly connected with a support platform, one side of the support platform is fixedly connected with a second motor, an output shaft of the second motor is fixedly connected with the wind cooling platform through a coupling, an outer wall of the wind cooling platform is snap-connected with a support wheel, an outer wall of the wind cooling platform is fixedly connected with a telescopic rod, one end of the telescopic rod is fixedly connected with a splint, and an outer wall of the splint is snap-connected with a cast iron sample. The utility model achieves the effect of making the device easy to adjust and the effect of making the device easy to clamp.

[0004] A cooling device is used in the ductile iron casting process. The existing cooling device can usually only cool a single or a small number of cast iron parts, resulting in low production efficiency. In addition, the air supply pipe of the existing cooling device is usually fixed and cannot be moved, which will cause the part close to the air outlet to cool quickly and the part far from the air outlet to cool slowly. The cooling time is not uniform, which affects the cooling efficiency. Utility Model Content

[0005] The utility model provides a cooling device for ductile iron castings to be cooled and solidified by wind, aiming to solve the problem that the existing cooling devices can usually only cool a single or a small number of cast iron parts, resulting in low production efficiency, and the air supply pipes of the existing cooling devices are usually fixed and cannot be moved, which causes the part close to the air outlet to cool quickly, the part far from the air outlet to cool slowly, the cooling time is not uniform, and the cooling efficiency is affected.

[0006] The utility model is implemented as follows: a cooling device for ductile iron castings to be cooled and solidified by air, comprising a cooling box, a hollow placement plate is fixedly connected to the rear side of the inner wall of the cooling box, first air cooling pipes are arranged on both sides of the cooling box, opposite sides of the two first air cooling pipes penetrate into the inner cavity of the cooling box and are connected with a hose, the other end of the hose is connected with a transfer pipe, the front sides of both sides of the inner cavity of the cooling box are provided with transmission components used in conjunction with the transfer pipe, the top of the cooling box is connected with a second air cooling pipe, and the bottom of the cooling box is connected with an exhaust pipe;

[0007] The transmission assembly includes a forward and reverse motor, a reciprocating screw, a positioning sleeve and a transmission block. The bottom of the forward and reverse motor is fixedly connected to the cooling box, the top of the reciprocating screw is fixedly connected to the output end of the forward and reverse motor, the bottom of the reciprocating screw passes through the cooling box and the transmission block in sequence and extends to the inner cavity of the positioning sleeve, the bottom of the positioning sleeve is fixedly connected to the bottom of the inner wall of the cooling box, the bottom of the reciprocating screw surface is rotatably connected to the inner wall of the positioning sleeve through a bearing, and the inner wall of the transmission block is connected to the surface of the reciprocating screw through a thread.

[0008] In order to achieve the effect of sealing the cooling box, as a preferred cooling device for wind cooling and solidification of ductile iron parts of the utility model, both sides of the front side of the cooling box are rotatably connected with box doors through a rotating shaft, and the front side of the box door is fixedly connected with a handle.

[0009] In order to achieve the effect of increasing the number of cast iron parts placed, as a preferred cooling device for wind cooling and solidification of ductile iron parts of the utility model, the number of the hollow placement plates is several and evenly distributed in the inner cavity of the cooling box.

[0010] In order to achieve the effect of auxiliary support for the hollow placement plate, as a preferred cooling device for wind cooling and solidification of ductile iron parts in the utility model, both sides of the front side of the bottom of the inner wall of the cooling box are fixedly connected with support rods used in conjunction with the hollow placement plate, and the support rods are fixedly connected to the hollow placement plate on the side close to the hollow placement plate.

[0011] In order to achieve the effect of allowing the first air-cooling pipe to pass through the cooling box, as a preferred cooling device for air cooling and solidification of ductile iron parts in the utility model, both sides of the cooling box are provided with through holes used in conjunction with the first air-cooling pipe, and the surface of the first air-cooling pipe is fixedly connected to the inner wall of the through hole.

[0012] In order to achieve the effect of allowing the reciprocating screw to pass through the cooling box and to facilitate the rotation of the reciprocating screw, as a preferred cooling device for air cooling and solidification of ductile iron parts of the utility model, the front sides of both sides of the top of the cooling box are provided with movable holes used in conjunction with the reciprocating screw, and the top of the reciprocating screw surface is rotatably connected to the inner wall of the movable hole through a bearing.

[0013] In order to position the transmission block so that the transmission block does not rotate with the reciprocating screw, a cooling device for air cooling and solidification of ductile iron parts is preferably used in the utility model. A positioning rod used in conjunction with the transmission block is provided on the rear side of the reciprocating screw, and the bottom of the positioning rod is fixedly connected to the bottom of the inner wall of the cooling box, and the top of the positioning rod passes through the transmission block and is fixedly connected to the top of the inner wall of the cooling box.

[0014] In order to achieve the effect of allowing the transmission block to move up and down on the surface of the positioning rod, as a preferred cooling device for wind cooling and solidification of ductile iron parts of the utility model, a positioning hole is opened at the bottom of the transmission block for use with the positioning rod, and the surface of the positioning rod contacts the inner wall of the positioning hole.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The cooling device for air cooling and solidification of ductile iron castings is provided with a cooling box, a hollow placement plate, a first air cooling pipe, a hose, a transfer pipe, a transmission assembly, a second air cooling pipe and an exhaust pipe. When in use, the cast iron casting to be cooled is placed on the top of the hollow placement plate, and multiple cast iron castings can be placed through the hollow placement plate, thereby achieving the effect of increasing production efficiency, and then the cold air is transmitted through the first air cooling pipe and the second air cooling pipe, and then the air is blown through the hose and the transfer pipe, and then the transmission assembly is started, and the transmission assembly drives the transfer pipe to move up and down, so that the transfer pipe moves and blows air, thereby achieving the effect of making each cast iron casting evenly cooled and increasing the cooling efficiency, and then the hot air is discharged through the exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is the overall structural diagram of the cooling device for wind cooling and solidification of ductile iron castings of the utility model;

[0018] Figure 2 For the utility model Figure 1 Structural diagram with the door open;

[0019] Figure 3 For the utility model Figure 2 Another structural diagram from another perspective;

[0020] Figure 4 This is a disassembled structural diagram of the transmission assembly and the positioning rod in the utility model;

[0021] Figure 5 It is the structural diagram of the cooling box in the utility model.

[0022] In the figure, 1. cooling box; 2. hollow placement plate; 3. first air-cooling pipe; 4. hose; 5. adapter tube; 6. transmission assembly; 601. forward and reverse motor; 602. reciprocating screw; 603. positioning sleeve; 604. transmission block; 7. second air-cooling pipe; 8. exhaust pipe; 9. box door; 10. handle; 11. support rod; 12. through hole; 13. movable hole; 14. positioning rod; 15. positioning hole. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In the description of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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, and therefore cannot be understood as a limitation on the present invention. In addition, in the description of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0025] See also Figure 1-5 The utility model provides a technical solution: a cooling device for ductile iron castings to be cooled and solidified by air, comprising a cooling box 1, a hollow placement plate 2 is fixedly connected to the rear side of the inner wall of the cooling box 1, first air cooling pipes 3 are arranged on both sides of the cooling box 1, opposite sides of the two first air cooling pipes 3 penetrate into the inner cavity of the cooling box 1 and are connected with a hose 4, the other end of the hose 4 is connected with a transfer pipe 5, the front sides of both sides of the inner cavity of the cooling box 1 are provided with transmission components 6 used in conjunction with the transfer pipe 5, the top of the cooling box 1 is connected with a second air cooling pipe 7, and the bottom of the cooling box 1 is connected with an exhaust pipe 8;

[0026] The transmission assembly 6 includes a forward and reverse motor 601, a reciprocating screw 602, a positioning sleeve 603 and a transmission block 604. The bottom of the forward and reverse motor 601 is fixedly connected to the cooling box 1, the top of the reciprocating screw 602 is fixedly connected to the output end of the forward and reverse motor 601, the bottom of the reciprocating screw 602 passes through the cooling box 1 and the transmission block 604 in sequence and extends to the inner cavity of the positioning sleeve 603, the bottom of the positioning sleeve 603 is fixedly connected to the bottom of the inner wall of the cooling box 1, the bottom of the surface of the reciprocating screw 602 is rotatably connected to the inner wall of the positioning sleeve 603 through a bearing, and the inner wall of the transmission block 604 is threadedly connected to the surface of the reciprocating screw 602.

[0027] In this embodiment: by setting a cooling box 1, a hollow placement plate 2, a first air-cooling pipe 3, a hose 4, a transfer pipe 5, a transmission assembly 6, a second air-cooling pipe 7 and an exhaust pipe 8, when in use, by placing the cast iron parts to be cooled on the top of the hollow placement plate 2, multiple cast iron parts can be placed through the hollow placement plate 2, thereby achieving the effect of increasing production efficiency, and then transmitting cold air through the first air-cooling pipe 3 and the second air-cooling pipe 7, and then blowing air through the hose 4 and the transfer pipe 5, and then starting the transmission assembly 6, the transmission assembly 6 drives the transfer pipe 5 to move up and down, so that the transfer pipe 5 moves and blows air, thereby achieving the effect of making each cast iron part evenly cooled and increasing the cooling efficiency, and then the hot air is discharged through the exhaust pipe 8.

[0028] As a technical optimization solution of the present invention, both sides of the front side of the cooling box 1 are rotatably connected to a box door 9 via a rotating shaft, and a handle 10 is fixedly connected to the front side of the box door 9.

[0029] In this embodiment: the cooling box 1 can be closed by providing a box door 9, and the box door 9 can be opened conveniently by providing a handle 10.

[0030] As a technical optimization solution of the present invention, the number of hollow placement plates 2 is several and evenly distributed in the inner cavity of the cooling box 1 .

[0031] In this embodiment, by providing a plurality of hollow placement plates 2, the number of cast iron parts that can be placed can be increased.

[0032] As a technical optimization solution of the utility model, support rods 11 used in conjunction with the hollow placement plate 2 are fixedly connected to both sides of the front side of the bottom inner wall of the cooling box 1, and the side of the support rod 11 close to the hollow placement plate 2 is fixedly connected to the hollow placement plate 2.

[0033] In this embodiment: by providing a support rod 11, the hollow placement plate 2 can be auxiliary supported.

[0034] As a technical optimization solution of the utility model, through holes 12 for use with the first air cooling pipe 3 are opened on both sides of the cooling box 1, and the surface of the first air cooling pipe 3 is fixedly connected to the inner wall of the through hole 12.

[0035] In this embodiment, the through hole 12 is provided so that the first air cooling pipe 3 can pass into the cooling box 1 .

[0036] As a technical optimization solution of the utility model, movable holes 13 for use with the reciprocating screw 602 are opened on the front sides of both sides of the top of the cooling box 1, and the top of the surface of the reciprocating screw 602 is rotatably connected to the inner wall of the movable hole 13 through a bearing.

[0037] In this embodiment: by setting the movable hole 13, in order to allow the reciprocating screw 602 to penetrate the cooling box 1, by setting the top of the surface of the reciprocating screw 602 and the inner wall of the movable hole 13 to be rotatably connected through a bearing, the reciprocating screw 602 can be easily rotated.

[0038] As a technical optimization solution of the utility model, a positioning rod 14 is provided on the rear side of the reciprocating screw 602 for use in conjunction with the transmission block 604. The bottom of the positioning rod 14 is fixedly connected to the bottom of the inner wall of the cooling box 1, and the top of the positioning rod 14 passes through the transmission block 604 and is fixedly connected to the top of the inner wall of the cooling box 1.

[0039] In this embodiment, by providing a positioning rod 14 , the position of the transmission block 604 can be positioned so that the transmission block 604 will not rotate along with the reciprocating screw 602 .

[0040] As a technical optimization solution of the present invention, a positioning hole 15 for use with the positioning rod 14 is opened at the bottom of the transmission block 604 , and the surface of the positioning rod 14 contacts the inner wall of the positioning hole 15 .

[0041] In this embodiment: by providing the positioning hole 15, the transmission block 604 can move up and down on the surface of the positioning rod 14, and by providing the surface of the positioning rod 14 in contact with the inner wall of the positioning hole 15, the transmission block 604 will not shake.

[0042] Working principle: First, by placing the cast iron parts to be cooled on the top of the hollow placement plate 2, by providing multiple hollow placement plates 2, multiple cast iron parts can be placed, thereby achieving the effect of increasing production efficiency, and then transmitting cold air through the first air-cooling pipe 3 and the second air-cooling pipe 7, and then blowing through the hose 4 and the transfer tube 5, and then starting the forward and reverse motor 601, the forward and reverse rotation of the output end of the forward and reverse motor 601 drives the reciprocating screw 602 to rotate forward and reverse, and the reciprocating screw 602 rotates forward and reverse to make the transmission block 604 move up and down through the thread, and the transmission block 604 drives the transfer tube 5 to move up and down, so that the transfer tube 5 moves and blows, thereby achieving the effect of making each cast iron part evenly cooled and increasing the cooling efficiency, and then the hot air is discharged through the exhaust pipe 8.

[0043] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A cooling device for ductile iron castings by air cooling and solidification, comprising a cooling box (1), characterized in that: A hollow placement plate (2) is fixedly connected to the rear side of the inner wall of the cooling box (1), first air cooling pipes (3) are arranged on both sides of the cooling box (1), opposite sides of the two first air cooling pipes (3) penetrate into the inner cavity of the cooling box (1) and are connected to a hose (4), the other end of the hose (4) is connected to a transfer pipe (5), transmission components (6) for use with the transfer pipe (5) are arranged on the front sides of both sides of the inner cavity of the cooling box (1), a second air cooling pipe (7) is connected to the top of the cooling box (1), and an exhaust pipe (8) is connected to the bottom of the cooling box (1); The transmission assembly (6) comprises a forward and reverse motor (601), a reciprocating screw (602), a positioning sleeve (603) and a transmission block (604); the bottom of the forward and reverse motor (601) is fixedly connected to the cooling box (1); the top of the reciprocating screw (602) is fixedly connected to the output end of the forward and reverse motor (601); the bottom of the reciprocating screw (602) passes through the cooling box (1) and the transmission block (604) in sequence and extends to the inner cavity of the positioning sleeve (603); the bottom of the positioning sleeve (603) is fixedly connected to the bottom of the inner wall of the cooling box (1); the bottom of the surface of the reciprocating screw (602) is rotatably connected to the inner wall of the positioning sleeve (603) via a bearing; and the inner wall of the transmission block (604) is connected to the surface of the reciprocating screw (602) via a thread.

2. A cooling device for ductile iron castings by air cooling and solidification according to claim 1, characterized in that: Both sides of the front side of the cooling box (1) are rotatably connected to box doors (9) via rotating shafts, and the front side of the box door (9) is fixedly connected to a handle (10).

3. A cooling device for ductile iron castings by air cooling and solidification according to claim 1, characterized in that: The number of the hollow placement plates (2) is several and they are evenly distributed in the inner cavity of the cooling box (1).

4. A cooling device for ductile iron castings by air cooling and solidification according to claim 1, characterized in that: Support rods (11) used in conjunction with the hollow placement plate (2) are fixedly connected to both sides of the front side of the bottom of the inner wall of the cooling box (1), and the support rods (11) are fixedly connected to the hollow placement plate (2) on one side close to the hollow placement plate (2).

5. A cooling device for ductile iron castings by air cooling and solidification according to claim 4, characterized in that: Through holes (12) for use with the first air cooling pipe (3) are provided on both sides of the cooling box (1), and the surface of the first air cooling pipe (3) is fixedly connected to the inner wall of the through hole (12).

6. A cooling device for ductile iron castings by air cooling and solidification according to claim 1, characterized in that: The front sides of both sides of the top of the cooling box (1) are provided with movable holes (13) for use with the reciprocating screw (602), and the top of the surface of the reciprocating screw (602) and the inner wall of the movable hole (13) are rotatably connected via a bearing.

7. A cooling device for ductile iron castings by air cooling and solidification according to claim 1, characterized in that: A positioning rod (14) for use with a transmission block (604) is provided on the rear side of the reciprocating screw (602); the bottom of the positioning rod (14) is fixedly connected to the bottom of the inner wall of the cooling box (1); the top of the positioning rod (14) passes through the transmission block (604) and is fixedly connected to the top of the inner wall of the cooling box (1).

8. A cooling device for ductile iron castings by air cooling and solidification according to claim 7, characterized in that: A positioning hole (15) for use with a positioning rod (14) is provided at the bottom of the transmission block (604), and the surface of the positioning rod (14) contacts the inner wall of the positioning hole (15).

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