Annealing device for nodular iron casting production

Abstract

The utility model relates to the technical field of annealing devices, and discloses an annealing device for nodular iron casting production, which comprises an annealing assembly, a rotating assembly arranged in the annealing assembly and a cooling assembly arranged below the rotating assembly, the annealing assembly comprises an annealing furnace, and the lower end of the annealing furnace is fixedly connected with a rotating shaft. The lower end of the annealing furnace is provided with a heating pipe A, a heating pipe B is arranged above the heating pipe A, the upper end of the heating pipe B is movably connected with a mounting plate, and the upper end of the mounting plate is fixedly connected with a hydraulic cylinder. The rotating assembly comprises a motor, a driving gear is arranged at the output end of the motor, and one side of the driving gear is in meshed connection with a driven gear. The inner side surface of the driven gear is fixedly connected with the roller, the two ends of the roller are movably connected with the mounting frame, the rotating assembly is arranged, the motor is used for driving the driving gear, then the driving gear drives the driven gear, the roller rotates, and therefore the cylindrical iron casting placed on the mounting frame rotates and is heated more evenly.

Description

Technical Field

[0001] The utility model relates to the technical field of annealing devices, in particular to an annealing device used for the production of ductile iron castings. Background Art

[0002] Annealing is a metal heat treatment process, which means slowly heating the metal to a certain temperature, keeping it for a sufficient time, and then cooling it at an appropriate rate. In a broad sense, annealing is a heat treatment process for materials, including metal materials and non-metallic materials. Moreover, the purpose of annealing new materials is also different from that of traditional metal annealing.

[0003] Chinese patent document CN213835435U discloses an annealing furnace device for casting production and processing, including an annealing furnace fixing device, the annealing furnace fixing device includes a furnace body, a fixed foot is fixedly connected to the lower surface of the furnace body, a placement hole is opened on the right side of the furnace body, a cover is slidably connected to the inner wall of the placement hole, a support block 1 is fixedly connected to the lower surface of the furnace body, a rectangular ring is fixedly connected to the upper surface of the support block 1, a honeycomb mesh block is fixedly connected to the lower surface of the inner wall of the rectangular ring, a cooling pipe is arranged above the furnace body, a cooling device is arranged above the cooling pipe, and the cooling pipe includes an air supply pipe , a connecting pipe 1 is fixedly connected to the back side of the air supply pipe, and the honeycomb mesh block is a honeycomb mesh fixing frame, which can place the casting above the honeycomb mesh block to reduce the contact area between the bottom of the casting and the lower surface of the rectangular ring, so that the heating and reaction are more sufficient. However, the annealing device places the casting directly on the top of the honeycomb mesh block for heating and annealing. When the ductile iron casting block is cylindrical, the ductile iron casting cannot be rotated during annealing, which can easily cause uneven heating of the ductile iron casting, thereby causing incomplete local annealing of the casting, and increasing the probability of defective ductile iron castings. Utility Model Content

[0004] The utility model aims to solve the problem that the existing annealing device directly places the casting on the top of the honeycomb mesh block for heating and annealing. When the ductile iron casting block is cylindrical, the ductile iron casting cannot be rotated during annealing, which easily causes uneven heating of the ductile iron casting, thereby causing incomplete local annealing of the casting and increasing the probability of defective ductile iron castings. An annealing device for ductile iron casting production is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an annealing device for the production of ductile iron castings, comprising an annealing component, a rotating component is arranged inside the annealing component, and a cooling component is arranged below the rotating component, the annealing component comprises an annealing furnace, a leg is arranged at the lower end of the annealing furnace, a rotating shaft is fixedly connected to the lower end of the annealing furnace, a sealing cover is fixedly connected to a heating tube A at the lower end of the annealing furnace, a heating tube B is arranged directly above the heating tube A, the upper end of the heating tube B is movably connected to a mounting plate, the upper end of the mounting plate is fixedly connected to a hydraulic cylinder, the rotating component comprises a motor, a driving gear is arranged at the output end of the motor, one side of the driving gear is meshedly connected to a driven gear, the inner surface of the driven gear is fixedly connected to a roller, both ends of the roller are movably connected to a mounting frame, and one end of the hydraulic cylinder is fixedly connected to the annealing furnace.

[0006] Preferably, one side of the annealing furnace is fixedly connected to a motor frame, and a motor is arranged on the upper end of the motor frame;

[0007] For mounting the motor on the annealing furnace.

[0008] Preferably, the annealing furnace is provided with a guide rail groove, the mounting frame is provided with a guide rail, and the guide rail groove corresponds to the guide rail;

[0009] It is used to pull the mounting frame out of the annealing furnace, so as to facilitate the placement of ductile iron parts on the mounting frame, or to remove the annealed ductile iron parts from the mounting frame.

[0010] Preferably, one side of the cover is fixedly connected to a door handle;

[0011] Used to facilitate workers to open or close the annealing furnace.

[0012] Preferably, a handle is provided on one side of the mounting frame;

[0013] Used to facilitate individual removal of the mounting frame from the annealing furnace.

[0014] Preferably, the cooling component comprises an air delivery pipe, one end of the air delivery pipe is movably connected to the gas delivery main pipe, one side of the gas delivery main pipe is movably connected to the gas delivery branch pipe, an exhaust pipe is arranged at the upper end of the gas delivery branch pipe, a plurality of groups of gas outlets are provided on the exhaust pipe, a graphite block is arranged inside the exhaust pipe, and the upper end of the exhaust pipe is movably connected to a pipe cover;

[0015] It is used to connect the cooling gas into the annealing furnace to cool the ductile iron castings after annealing.

[0016] Preferably, a thread groove is provided at the upper end of the exhaust pipe, and a thread is provided on the pipe cover, and the thread groove corresponds to the thread;

[0017] It is used to flexibly install the pipe cover on the exhaust pipe so that the cold air can be discharged from both sides of the exhaust pipe to avoid the cooling gas directly contacting the ductile iron parts.

[0018] Compared with the prior art, the utility model has the following beneficial effects:

[0019] 1. The utility model proposes an annealing device for the production of ductile iron castings. By setting a rotating assembly, a motor is used to drive a driving gear, and then the driving gear drives a driven gear to realize the rotation of a roller, thereby rotating a cylindrical iron casting placed on a mounting frame to make it heated more evenly.

[0020] 2. The utility model proposes an annealing device for the production of ductile iron castings. By setting a cooling component, the cooling gas is connected from the gas pipe to the gas main pipe, and then enters into multiple groups of gas branch pipes, and finally discharged through the exhaust pipe. At the same time, a graphite block is arranged in the exhaust pipe to absorb moisture in the cooling gas to prevent the moisture in the gas from affecting the cast iron parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the overall structure of an annealing device for producing ductile iron castings proposed by the utility model;

[0022] Figure 2 This is a schematic diagram of the overall structure of an annealing furnace for an annealing device for producing ductile iron castings proposed by the utility model;

[0023] Figure 3 This is a schematic diagram of the overall structure of an annealing assembly of an annealing device for producing ductile iron castings proposed by the utility model;

[0024] Figure 4 This is a schematic diagram of the overall structure of a rotating assembly of an annealing device for producing ductile iron castings proposed by the utility model;

[0025] Figure 5 This is a schematic diagram of the overall structure of a cooling component of an annealing device for producing ductile iron castings proposed by the utility model;

[0026] Figure 6 A cross-sectional schematic diagram of a gas delivery main pipe of an annealing device for producing ductile iron castings proposed by the utility model;

[0027] Legend:

[0028] 1. Annealing assembly; 11. Annealing furnace; 111. Motor frame; 112. Guide rail groove; 12. Leg; 13. Rotating shaft; 14. Cover; 141. Door handle; 15. Heating tube A; 16. Heating tube B; 17. Mounting plate; 18. Hydraulic cylinder; 2. Rotating assembly; 21. Motor; 22. Driving gear; 23. Driven gear; 24. Roller; 25. Mounting frame; 251. Handle; 252. Guide rail; 3. Cooling assembly; 31. Gas pipe; 32. Gas main pipe; 33. Gas branch pipe; 34. Exhaust pipe; 341. Gas outlet; 342. Threaded groove; 35. Graphite block; 36. Pipe cover; 361. Thread. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does 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 cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0031] Reference Figure 1-6The utility model provides an embodiment: an annealing device for the production of ductile iron castings, including an annealing component 1, a rotating component 2 is arranged inside the annealing component 1, and a cooling component 3 is arranged below the rotating component 2, the annealing component 1 includes an annealing furnace 11, a leg 12 is arranged at the lower end of the annealing furnace 11, a rotating shaft 13 is fixedly connected to the lower end of the annealing furnace 11, and a cover 14 is fixedly connected to one side of the rotating shaft 13, and a heating tube A15 is arranged at the lower end of the annealing furnace 11 to heat the ductile iron castings, and the heating tube A15 is A heating tube B16 is arranged on the top, and the upper end of the heating tube B16 is movably connected to the mounting plate 17, and the upper end of the mounting plate 17 is fixedly connected to the hydraulic cylinder 18 to adjust the distance between the upper heating tube B16 and the ductile iron casting. The rotating component 2 includes a motor 21, and a driving gear 22 is arranged at the output end of the motor 21. One side of the driving gear 22 is meshed and connected to the driven gear 23, and the inner surface of the driven gear 23 is fixedly connected to the roller 24. Both ends of the roller 24 are movably connected to the mounting frame 25, and one end of the hydraulic cylinder 18 is fixedly connected to the annealing furnace 11.

[0032] The annealing furnace 11 is fixedly connected to the motor frame 111 on one side, and the motor frame 111 is provided with a motor 21 on the upper end. The motor 21 is installed on the annealing furnace 11. The annealing furnace 11 is provided with a guide rail groove 112, and the mounting frame 25 is provided with a guide rail 252. The guide rail groove 112 corresponds to the guide rail 252, which is convenient for pulling the mounting frame 25 out of the annealing furnace 11. The cover 14 is fixedly connected to the door handle 141 on one side, which is convenient for opening or closing the cover 14. The mounting frame 25 is provided with a handle 251 on one side. The cooling component 3 includes a transmission The gas pipe 31 has one end movably connected to the gas main pipe 32, and one side of the gas main pipe 32 is movably connected to the gas branch pipe 33. An exhaust pipe 34 is arranged at the upper end of the gas branch pipe 33. The exhaust pipe 34 has multiple groups of gas outlets 341. A graphite block 35 is arranged inside the exhaust pipe 34 to absorb moisture in the cooling gas. The upper end of the exhaust pipe 34 is movably connected to a pipe cover 36. A threaded groove 342 is arranged at the upper end of the exhaust pipe 34. A thread 361 is arranged on the pipe cover 36. The threaded groove 342 corresponds to the thread 361.

[0033] Working principle: first open the cover 14 and pull out the mounting frame 25, then put the cylindrical ductile iron casting that needs to be annealed between the two rollers 24, and then push the mounting frame 25 into the annealing furnace 11, then adjust the hydraulic cylinder 18 to adjust the heating pipe B16 to a suitable height, and then close the cover 14 to start the annealing furnace 11 to anneal the ductile iron casting. After annealing is completed, push the cooling gas from the gas pipe 31, and the cooling gas enters the gas main pipe 32 and then disperses into each gas branch pipe 33, and finally enters the bottom of the annealing furnace 11 through the exhaust pipe 34 to accelerate cooling. After cooling is completed, open the cover 14 to take out the annealed cast iron casting.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An annealing device for producing ductile iron castings, comprising an annealing assembly (1), a rotating assembly (2) disposed inside the annealing assembly (1), and a cooling assembly (3) disposed below the rotating assembly (2), characterized in that: The annealing assembly (1) comprises an annealing furnace (11), a leg (12) is provided at the lower end of the annealing furnace (11), a rotating shaft (13) is fixedly connected to the lower end of the annealing furnace (11), one side of the rotating shaft (13) is fixedly connected to a cover (14), a heating tube A (15) is provided at the lower end of the annealing furnace (11), a heating tube B (16) is provided directly above the heating tube A (15), the upper end of the heating tube B (16) is movably connected to a mounting plate (17), the upper end of the mounting plate (17) is fixedly connected to a hydraulic cylinder (18), the rotating assembly (2) comprises a motor (21), a driving gear (22) is provided at the output end of the motor (21), one side of the driving gear (22) is meshedly connected to a driven gear (23), the inner surface of the driven gear (23) is fixedly connected to a roller (24), both ends of the roller (24) are movably connected to a mounting frame (25), and one end of the hydraulic cylinder (18) is fixedly connected to the annealing furnace (11).

2. The annealing device for ductile iron casting production according to claim 1, characterized in that: One side of the annealing furnace (11) is fixedly connected to a motor frame (111), and a motor (21) is arranged at the upper end of the motor frame (111).

3. The annealing device for producing ductile iron castings according to claim 1, characterized in that: The annealing furnace (11) is provided with a guide rail groove (112), and the mounting frame (25) is provided with a guide rail (252), and the guide rail groove (112) corresponds to the guide rail (252).

4. The annealing device for producing ductile iron castings according to claim 1, characterized in that: One side of the sealing cover (14) is fixedly connected to a door handle (141).

5. The annealing device for producing ductile iron castings according to claim 1, characterized in that: A handle (251) is provided on one side of the mounting frame (25).

6. The annealing device for producing ductile iron castings according to claim 1, characterized in that: The cooling component (3) comprises an air delivery pipe (31), one end of the air delivery pipe (31) is movably connected to a main air delivery pipe (32), one side of the main air delivery pipe (32) is movably connected to a branch air delivery pipe (33), an exhaust pipe (34) is arranged at the upper end of the branch air delivery pipe (33), a plurality of groups of air outlets (341) are provided on the exhaust pipe (34), a graphite block (35) is arranged inside the exhaust pipe (34), and the upper end of the exhaust pipe (34) is movably connected to a pipe cover (36).

7. An annealing device for producing ductile iron castings according to claim 6, characterized in that: The exhaust pipe (34) has a thread groove (342) at its upper end, and the pipe cover (36) has a thread (361) thereon, wherein the thread groove (342) corresponds to the thread (361).

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