Rapid cooling forming device for as-cast nodular iron casting with high yield strength and elongation

Abstract

The invention discloses a rapid cooling forming device for an as-cast nodular iron casting with high yield strength and elongation, relates to the technical field of nodular iron casting cooling, and aims to solve the technical problems that the humidity of the surrounding environment is increased due to water evaporation, and the surface of a tubular nodular iron casting is easily oxidized. An atomization cooling mechanism is arranged on the outer side of the supporting frame. The atomization cooling mechanism comprises a supporting frame; a rolling assembly is fixedly arranged in the supporting frame and comprises a fixing frame and an air drying unit. The fixed frame is fixedly connected to one side of the supporting frame. The tubular nodular iron casting is cooled through the atomization cooling mechanism, then the tubular nodular iron casting is transmitted through the rolling assembly, the contact area of cold cutting of the tubular nodular iron casting is increased, air drying is conducted on the surrounding environment through the air drying unit and a second air pump, the dry cooling environment is achieved, and the cold cutting efficiency is improved. And the cooling stability of the tubular nodular iron casting can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of cooling of ductile iron castings, and more particularly to a rapid cooling and molding device for as-cast ductile iron castings with high yield strength and elongation. Background Art

[0002] Ductile iron castings with high yield strength and elongation in the cast state refer to ductile iron products that have high yield strength and good elongation after casting without additional large-scale heat treatment and other processing procedures; ductile iron is an alloy of iron, carbon and silicon, in which graphite is spherical.

[0003] At present, when using a mist cooling device to cool tubular ductile iron castings, the evaporation of water increases the humidity of the surrounding environment, which can easily cause oxidation on the surface of the tubular ductile iron castings. In view of this, we propose a rapid cooling and molding device for as-cast ductile iron castings with high yield strength and elongation. Summary of the invention

[0004] The purpose of the present invention is to provide a rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts, so as to solve the technical problem that water evaporation increases the humidity of the surrounding environment and easily causes oxidation on the surface of the tubular ductile iron parts.

[0005] In order to solve the above technical problems, the present invention provides the following technical solutions: a rapid cooling and molding device for as-cast high yield strength and elongation ductile iron castings, comprising a support frame, an atomizing cooling mechanism is arranged on the outer side of the support frame;

[0006] The atomization cooling mechanism comprises a support frame;

[0007] A tumbling assembly is fixedly arranged inside the support frame, and the tumbling assembly includes a fixed frame and an air-drying unit; the fixed frame is fixedly connected to one side of the support frame, and the air-drying unit is fixed inside the support frame away from the fixed frame;

[0008] A first water pump is fixedly connected to the top of one of the support plates on the support frame, a first air pump is fixedly connected to the top of another support plate on the support frame, a branch pipe is fixedly connected inside the interlayer on the support frame, and the output ends of the first air pump and the first water pump are fixedly connected to the branch pipe respectively, a plurality of mounting holes are opened on the inner wall of the support frame, and the mounting holes are distributed in a linear array, an atomizing nozzle is fixedly sleeved inside each of the mounting holes, and the atomizing nozzle is fixedly connected to the branch pipe. The present invention cools the tubular ductile iron parts through an atomizing cooling mechanism, and then transmits the tubular ductile iron parts through a tumbling assembly, which is beneficial to increase the contact area of ​​the cold cutting of the tubular ductile iron parts, and passes through the air-drying unit and the second air pump to air-dry the surrounding environment to achieve a dry cooling environment, which is beneficial to improve the stability of the tubular ductile iron parts during cooling.

[0009] Preferably, a first motor is fixedly sleeved inside the fixing frame, two rollers are movably connected to the tops of the two end plates on the supporting frame, and one end of the two rollers close to the first motor passes through the end plates, and a first roller is fixedly connected to the output end of the first motor.

[0010] Preferably, the two rollers are fixedly connected to the second roller at one end close to the first motor, the side surfaces of the first roller and the second roller are movably sleeved with the first transmission belt, the upper branch of the fixed frame is movably connected to the limiting roller through the first insertion rod, and the limiting roller is in movably contact with the first transmission belt.

[0011] Preferably, the air-drying unit includes a limit frame, which is fixedly connected between the two end plates on the support frame, and a first screw rod is movably connected inside the limit frame, a threaded frame is movably adjusted on the side surface of the first screw rod, and the threaded frame is threadably adapted to the first screw rod, a movable frame is fixedly connected to one side of the top of the threaded frame, a limit rod is fixedly connected to the inner wall of the top of the movable frame, and the limit rod is fixedly connected to the threaded frame.

[0012] Preferably, a first cylinder is fixedly connected to the top of the threaded frame away from the movable frame, an output end of the first cylinder is fixedly connected to a limiting cylinder, a second motor is fixedly connected to the limiting frame away from the first motor, and an output end of the second motor is fixedly connected to the first screw rod.

[0013] Preferably, the side surface of the limit rod is movably adjusted with a movable cylinder, the side surface of the movable cylinder is fixedly connected to a third motor, the output end of the third motor is fixedly connected to a second screw rod, the movable cylinder is fixedly connected to a guide rod on the side away from the movable frame, and the end of the second screw rod away from the third motor is movably connected to the support plate on the guide rod.

[0014] Preferably, a transmission frame is movably sleeved on the side surface of the second screw, and the guide rod is movably sleeved in a hole on the transmission frame, a second air pump is fixedly sleeved in another hole on the transmission frame, an output end of the second air pump is fixedly connected to a high-pressure nozzle via a connecting pipe, and the high-pressure nozzle passes through the transmission frame. The present invention can drive the movement of the tubular ductile iron casting through the rotation of the first screw, and air-dry the surrounding environment through the second air pump, and at the same time, the movable cylinder moves on the side surface of the limit rod to achieve stable movement of the second screw, which is beneficial to improving the stability of the device.

[0015] Preferably, a plurality of balls are movably connected to both ends of the movable cylinder, and the balls are in movably contact with the limiting rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] 1. The present invention cools the tubular ductile iron castings by an atomizing cooling mechanism, and then transmits the tubular ductile iron castings through a tumbling assembly, which is beneficial to increasing the contact area of ​​the cold cutting of the tubular ductile iron castings. The surrounding environment is air-dried by a second air pump through an air-drying unit to achieve a dry cooling environment, which is beneficial to improving the stability of the tubular ductile iron castings during cooling.

[0018] 2. The present invention can drive the movement of the tubular ductile iron casting by rotating the first screw, and air-dry the surrounding environment through the second air pump. At the same time, the movable cylinder moves on the side surface of the limit rod to achieve stable movement of the second screw, which is beneficial to improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0020] Figure 2 is a schematic diagram of the three-dimensional structure of the present invention, to illustrate the three-dimensional structure of the air-drying unit;

[0021] Figure 3 It is a schematic diagram of the three-dimensional explosion structure of the atomization cooling mechanism of the present invention;

[0022] Figure 4 The 3D partial enlarged structure diagram of the tumbling assembly of the present invention is shown in FIG. Figure 1 ;

[0023] Figure 5 The 3D partial enlarged structure diagram of the tumbling assembly of the present invention is shown in FIG. Figure 2 ;

[0024] Figure 6 It is a schematic diagram of a three-dimensional partially enlarged structure of the air-drying unit of the present invention.

[0025] Explanation of the reference numerals in the figure: 1. support frame; 2. atomizing cooling mechanism; 201. support frame; 202. first water pump; 203. first air pump; 204. branch pipe; 205. mounting hole; 206. atomizing nozzle; 3. tumbling assembly; 301. fixing frame; 302. first motor; 303. roller; 304. first roller; 305. second roller; 306. first transmission belt; 307. limiting roller; 4. Air drying unit; 401. Limiting frame; 402. First screw rod; 403. Threaded frame; 404. Movable frame; 405. Limiting rod; 406. First cylinder; 407. Limiting cylinder; 408. Second motor; 409. Movable cylinder; 409a. Ball bearing; 410. Third motor; 411. Second screw rod; 412. Guide rod; 413. Transmission frame; 414. Second air pump; 415. High-pressure nozzle. DETAILED DESCRIPTION

[0026] like Figures 1 to 6As shown, the present invention relates to a rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts, comprising a support frame 1, and an atomizing cooling mechanism 2 is arranged on the outer side of the support frame 1;

[0027] The atomization cooling mechanism 2 comprises a support frame 201;

[0028] A tumbling assembly 3 is fixedly arranged inside the support frame 1, and the tumbling assembly 3 includes a fixed frame 301 and an air-drying unit 4; the fixed frame 301 is fixedly connected to one side of the support frame 1, and the air-drying unit 4 is fixedly arranged inside the support frame 1 on a side away from the fixed frame 301;

[0029] A first water pump 202 is fixedly connected to the top of one of the support plates on the support frame 201, a first air pump 203 is fixedly connected to the top of another support plate on the support frame 201, a branch pipe 204 is fixedly connected inside the interlayer on the support frame 201, and the output ends of the first air pump 203 and the first water pump 202 are fixedly connected to the branch pipe 204 respectively, a plurality of mounting holes 205 are opened on the inner wall of the support frame 201, and the mounting holes 205 are distributed in a linear array, an atomizing nozzle 206 is fixedly sleeved inside each mounting hole 205, and the atomizing nozzle 206 is fixedly connected to the branch pipe 204, the present invention cools the tubular ductile iron parts through the atomizing cooling mechanism 2, and then transmits the tubular ductile iron parts through the tumbling assembly 3, which is beneficial to increase the contact area of ​​the cold cutting of the tubular ductile iron parts, and passes through the air-drying unit 4, and the surrounding environment is air-dried by the second air pump 414 to achieve a dry cooling environment, which is beneficial to improve the stability of the tubular ductile iron parts during cooling.

[0030] In an embodiment of the present invention, a first motor 302 is fixedly sleeved inside the fixed frame 301, two rollers 303 are movably connected to the tops of the two end plates on the support frame 1, and the two rollers 303 pass through the end plates close to the first motor 302, a first roller 304 is fixedly connected to the output end of the first motor 302, and the two rollers 303 are fixedly connected to the second rollers 305 at one end close to the first motor 302, and the first rollers 304 and the second rollers 305 are movably sleeved on the side surfaces of the first rollers 304 and the second rollers 305, and the upper branch of the fixed frame 301 is movably connected to the limiting roller 307 through the first insertion rod, and the limiting roller 307 is movably in contact with the first transmission belt 306.

[0031] As another embodiment of the present invention, the air-drying unit 4 includes a limit frame 401, which is fixedly connected between the two end plates on the support frame 1, and the limit frame 401 is movably connected with a first screw rod 402 inside. The side surface of the first screw rod 402 is movably adjusted with a threaded frame 403, and the threaded frame 403 is threadedly adapted to the first screw rod 402. A movable frame 404 is fixedly connected to one side of the top of the threaded frame 403, and a limit rod 405 is fixedly connected to the inner wall of the top of the movable frame 404, and the limit rod 405 is fixedly connected to the threaded frame 403. A first cylinder 406 is fixedly connected to the side of the top of the threaded frame 403 away from the movable frame 404, and the output end of the first cylinder 406 is fixedly connected to a limit cylinder 407. A second motor 408 is fixedly connected to the side of the limit frame 401 away from the first motor 302, and the output end of the second motor 408 is fixedly connected to the first screw rod 402. A movable cylinder 409 is movably adjusted on the side surface of the limit rod 405, and the side of the movable cylinder 409 A third motor 410 is fixedly connected to the surface, and a second screw rod 411 is fixedly connected to the output end of the third motor 410. A guide rod 412 is fixedly connected to the side of the movable cylinder 409 away from the movable frame 404, and the end of the second screw rod 411 away from the third motor 410 is movably connected to the support plate on the guide rod 412. A transmission frame 413 is movably sleeved on the side surface of the second screw rod 411, and the guide rod 412 is movably sleeved in a hole on the transmission frame 413. A second air pump 414 is fixedly sleeved in another hole on the transmission frame 413. A high-pressure nozzle 415 is fixedly connected to the output end of the second air pump 414 through a connecting pipe, and the high-pressure nozzle 415 passes through the transmission frame 413. The present invention can drive the movement of the tubular ductile iron casting by rotating the first screw rod 402, and the surrounding environment is dried through the second air pump 414. At the same time, the movable cylinder 409 moves on the side surface of the limit rod 405 to achieve stable movement of the second screw rod 411, which is beneficial to improving the stability of the device.

[0032] As another embodiment of the present invention, a plurality of balls 409 a are movably connected to both ends of the movable cylinder 409 , and the balls 409 a are in movably contact with the limiting rod 405 .

[0033] Working principle: This embodiment provides a rapid cooling molding device for as-cast high yield strength and elongation ductile iron castings. When in use, the first motor 302 drives the first roller 304 to rotate through the external circuit mechanism, and drives the two rollers 303 to rotate through the first transmission belt 306, wherein the first transmission belt 306 is pressed downward by the limiting roller 307 to prevent the high-temperature casting from damaging the transmission belt. The tubular casting moves between the two rollers 303, and the position circuit mechanism drives the second motor 408 to drive the first screw rod 402 to rotate. The threaded frame 403 is connected to the outer wall of the first screw rod 402 by threads, so that the threaded frame 403 moves toward the casting, and the first cylinder 406 adjusts the height of the second screw rod 411 so that the transmission frame 413 fits with one side of the casting, wherein a plurality of iron balls are arranged on one side of the transmission frame 413 so that the component does not affect the rotation of the tubular casting, and the second screw rod 411 is driven by the third motor 410 to rotate and move the tubular casting on the two rollers 303, and when passing through the inside of the support frame 201, water mist is sprayed from the atomizing nozzle 206 through the first water pump 202 and the first air pump 203 of the external control system to cool the tubular casting, and at the same time, through the second air pump 414, gas is sprayed from the high-pressure nozzle 415 through the connecting pipe to air-dry the wrinkle environment to keep the surrounding environment in a dry condition.

[0034] The embodiments of the present invention disclose preferred embodiments, but are not limited thereto. A person skilled in the art can easily understand the spirit of the present invention based on the above embodiments and make different extensions and changes. However, as long as they do not deviate from the spirit of the present invention, they are all within the protection scope of the present invention.

Claims

1. A rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts, characterized in that: It comprises a support frame (1), wherein an atomization cooling mechanism (2) is arranged on the outer side of the support frame (1); The atomizing cooling mechanism (2) comprises a supporting frame (201); A tumbling assembly (3) is fixedly arranged inside the support frame (1), and the tumbling assembly (3) comprises a fixed frame (301) and an air-drying unit (4); the fixed frame (301) is fixedly connected to one side of the support frame (1), and the air-drying unit (4) is fixedly arranged inside the support frame (1) on a side away from the fixed frame (301); A first water pump (202) is fixedly connected to the top of one of the support plates on the support frame (201), a first air pump (203) is fixedly connected to the top of another support plate on the support frame (201), a branch pipe (204) is fixedly connected inside the interlayer of the support frame (201), and the output ends of the first air pump (203) and the first water pump (202) are respectively fixedly connected to the branch pipe (204), a plurality of mounting holes (205) are opened on the inner wall of the support frame (201), and the mounting holes (205) are distributed in a linear array, an atomizing nozzle (206) is fixedly sleeved inside each of the mounting holes (205), and the atomizing nozzle (206) is fixedly connected to the branch pipe (204).

2. A rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts according to claim 1, characterized in that: A first motor (302) is fixedly sleeved inside the fixed frame (301), and two rollers (303) are movably connected to the tops of the two end plates on the support frame (1), and one end of the two rollers (303) close to the first motor (302) passes through the end plates, and a first roller (304) is fixedly connected to the output end of the first motor (302).

3. A rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts according to claim 2, characterized in that: The two rollers (303) are respectively fixedly connected to a second roller (305) at one end close to the first motor (302); the side surfaces of the first roller (304) and the second roller (305) are movably sleeved with a first transmission belt (306); the upper branch of the fixed frame (301) is movably connected to a limiting roller (307) via a first insertion rod, and the limiting roller (307) is in movably contact with the first transmission belt (306).

4. A rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts according to claim 3, characterized in that: The air-drying unit (4) comprises a limit frame (401), wherein the limit frame (401) is fixedly connected between two end plates on the support frame (1), a first screw rod (402) is movably connected inside the limit frame (401), a threaded frame (403) is movably adjusted on the side surface of the first screw rod (402), and the threaded frame (403) is threadedly adapted to the first screw rod (402), a movable frame (404) is fixedly connected to one side of the top of the threaded frame (403), a limit rod (405) is fixedly connected to the inner wall of the top of the movable frame (404), and the limit rod (405) is fixedly connected to the threaded frame (403).

5. A rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts according to claim 4, characterized in that: A first cylinder (406) is fixedly connected to the top of the threaded frame (403) at a side away from the movable frame (404); an output end of the first cylinder (406) is fixedly connected to a limiting cylinder (407); a second motor (408) is fixedly connected to the side of the limiting frame (401) away from the first motor (302); and an output end of the second motor (408) is fixedly connected to the first screw rod (402).

6. A rapid cooling and molding device for as-cast high yield strength and elongation ductile iron parts according to claim 5, characterized in that: A movable cylinder (409) is movably adjusted on the side surface of the limit rod (405); a third motor (410) is fixedly connected to the side surface of the movable cylinder (409); a second screw rod (411) is fixedly connected to the output end of the third motor (410); a guide rod (412) is fixedly connected to the side of the movable cylinder (409) away from the movable frame (404); and an end of the second screw rod (411) away from the third motor (410) is movably connected to a support plate on the guide rod (412).

7. A rapid cooling molding device for as-cast high yield strength and elongation ductile iron parts according to claim 6, characterized in that: The side surface of the second screw rod (411) is movably sleeved with a transmission frame (413), and the guide rod (412) is movably sleeved in a hole on the transmission frame (413). A second air pump (414) is fixedly sleeved in another hole on the transmission frame (413). The output end of the second air pump (414) is fixedly connected to a high-pressure nozzle (415) via a connecting pipe, and the high-pressure nozzle (415) passes through the transmission frame (413).

8. A rapid cooling and molding device for as-cast high yield strength and elongation ductile iron parts according to claim 7, characterized in that: A plurality of balls (409a) are movably connected to both ends of the movable cylinder (409), and the balls (409a) are in movably contact with the limiting rod (405).

Images