Evaporative pattern casting cooling machine capable of efficiently and uniformly cooling

Abstract

The utility model discloses a cooling machine for lost foam casting capable of efficiently and uniformly cooling, which comprises a shell, a feed inlet is arranged on the upper surface of the shell, the cooling machine further comprises a material distributing pipe, the material distributing pipe is mounted at the lower end of the feed inlet, and an air cooling structure is arranged in the shell. The air cooling structure can slow down the descending speed of materials and enable the materials to descend evenly through cooperation of an inclined plate and a material guiding plate, the air cooling structure comprises the inclined plate, the inclined plate is installed on the outer surface of a ventilation pipe, the upper end of the ventilation pipe is connected with a material distributing pipe, and a plurality of air caps are installed on the outer surface of the inclined plate. A material guiding plate is correspondingly arranged below the inclined plate and installed on the surface of the inner wall of the shell. According to the efficient and uniform cooling type cooling machine for lost foam casting, the air cooling structure is arranged, materials are uniformly blown by airflow on the inclined plate, cooling is uniform, the water cooling structure is further arranged, the materials make contact with cooling liquid through the spiral pipe, and cooling is faster.

Description

Technical Field

[0001] The utility model relates to the technical field of lost foam casting, in particular to a cooling machine for lost foam casting with high efficiency and uniform temperature reduction. Background Art

[0002] Lost foam casting is a solid casting process in which a foam plastic mold is made of binder-free dry sand combined with vacuum technology. Compared with traditional casting technology, lost foam casting has good casting quality, low cost, unlimited materials, suitable size, high precision, smooth surface, reduced cleaning, and saved machining. Internal defects are greatly reduced, the structure is dense, and large-scale and mass production can be achieved. The automated assembly line is environmentally friendly and can greatly improve the working environment, reduce labor intensity, and reduce energy consumption.

[0003] After the hot box of the casting is opened, the molding sand is eager to be recycled. Since the sand temperature is too high to meet the requirements of secondary sand mixing, it needs to be cooled down by cooling equipment to meet the temperature requirements of the secondary sand mixing process. The existing sand cooling equipment has a short vertical drop distance and a fast time for the old sand, and the cooling effect is not ideal, the cooling effect is not good, and the production efficiency is low. Utility Model Content

[0004] The utility model aims to provide a cooling machine for lost foam casting with high efficiency and uniform cooling, so as to solve the problems of short vertical falling distance of old sand and poor cooling effect proposed in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling machine for lost foam casting with high efficiency and uniform cooling, comprising a shell, the upper surface of which is provided with a feed port, and also comprising a distribution pipe, the distribution pipe is installed at the lower end of the feed port, and an air cooling structure is provided inside the shell, and the air cooling structure can slow down the material descent speed and make the material descend evenly through the cooperation of an inclined plate and a guide plate.

[0006] Preferably, the air cooling structure includes an inclined plate, which is installed on the outer surface of the ventilation duct, and the upper end of the ventilation duct is connected to a distribution pipe. A plurality of wind hoods are installed on the outer surface of the inclined plate, and a guide plate is correspondingly arranged below the inclined plate, and the guide plate is installed on the inner wall surface of the outer shell, and another inclined plate is arranged below the guide plate. The lower end of the ventilation duct is rotatably installed on the upper surface of the inner bin, and the inner bin is installed on the upper surface of the partition plate. Motor 1 is installed on the lower surface of the inner wall of the inner bin, and a fan is connected to the upper surface of motor 1. An opening is arranged on the upper surface of the inner bin corresponding to the ventilation duct, and a belt is connected to the outer surface of the lower end of the feed port, and the other end of the belt is connected to motor 2, and motor 2 is installed on the upper surface of the outer shell.

[0007] The adoption of the above technical solution can slow down the material descent speed and provide more sufficient air cooling time.

[0008] Preferably, the guide plate is configured as a circular ring structure inclined inwardly.

[0009] By adopting the above technical solution, the material guide plate enters the inclined plate of the lower layer.

[0010] Preferably, the inclined plate is configured as a hollow structure, and the hollow portion corresponds to the pipe body opening of the ventilation pipe.

[0011] By adopting the above technical solution, the airflow passes through the hollow inside the inclined plate and then passes through the hood.

[0012] Preferably, a water cooling structure is provided below the partition plate, and the water cooling structure can ensure full contact between the material and the coolant through the spiral tube.

[0013] By adopting the above technical solution, the water cooling structure enables the material to be cooled more evenly.

[0014] Preferably, the water cooling structure includes a connecting pipe, which is installed on the lower surface of the partition plate. The lower end of the connecting pipe is connected to a spiral tube, which extends downward in a circumferential manner. A coolant tank is arranged below the partition plate, and a water exchange port is arranged on the side surface of the coolant tank.

[0015] By adopting the above technical solution, the spiral tube is arranged in the coolant, so that the cooling is faster.

[0016] Preferably, an inclined groove is provided on the upper surface of the partition plate.

[0017] By adopting the above technical solution, the materials can be gathered downward by the inclined grooves.

[0018] Compared with the prior art, the utility model has the following beneficial effects: the cooling machine for lost foam casting with high efficiency and uniform cooling:

[0019] 1. The efficient and uniform cooling machine for lost foam casting is equipped with an air cooling structure. The material flows downward through the feed port, and then is evenly dispersed through the material distribution pipe. The material continues to flow downward. At this time, the motor is turned on to rotate the fan. The airflow blown by the fan passes upward through the ventilation pipe, and then cools the material through the wind cap.

[0020] 2. Furthermore, at this time, the second motor is turned on, so that the belt rotates, the belt drives the feed port to rotate, so that the feed port drives the ventilation pipe to rotate, and the ventilation pipe will drive the inclined plate to rotate, so that the material moves downward under the action of centrifugal force to avoid accumulation on the hood;

[0021] 3. Furthermore, a water cooling structure is provided, and the material enters the spiral tube through the partition plate, and the spiral tube contacts the coolant, so that the material is fully contacted with the coolant and cooled faster, and then the material can be discharged through the discharge port at the lower end. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the shaft side surface structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the axial side section structure of the feed guide plate of the utility model;

[0024] Figure 3 This is a schematic diagram of the axial side section structure of the utility model;

[0025] Figure 4 This is a schematic diagram of the axial side structure of the connecting pipe of the utility model;

[0026] Figure 5 This is a schematic diagram of the axial side cross-sectional structure of the housing of the utility model;

[0027] Figure 6 It is a schematic diagram of the axial side structure of the inclined plate of the utility model.

[0028] In the figure: 1. Shell; 2. Feed inlet; 3. Distribution pipe; 4. Inclined plate; 5. Wind hood; 6. Feed guide plate; 7. Inner bin; 8. Motor 1; 9. Fan; 10. Ventilation duct; 11. Belt; 12. Motor 2; 13. Partition plate; 14. Connecting pipe; 15. Spiral pipe; 16. Coolant tank. 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] See also Figure 1-6 The utility model provides a technical solution: a cooling machine for lost foam casting with high efficiency and uniform cooling, comprising a shell 1, a feed inlet 2, a material distribution pipe 3, an inclined plate 4, a hood 5, a guide plate 6, an inner bin 7, a motor 1 8, a fan 9, a ventilation pipe 10, a belt 11, a motor 2 12, a partition plate 13, a connecting pipe 14, a spiral pipe 15, and a coolant tank 16.

[0031] Example 1

[0032] The efficient and uniform cooling machine for lost foam casting is provided with an air cooling structure, and the inclined plate 4 and the wind cap 5 cooperate to make the material evenly contact the air flow for cooling, specifically:

[0033] The upper surface of the shell 1 is provided with a feed port 2, and also includes a feed distribution pipe 3, which is installed at the lower end of the feed port 2. An air cooling structure is provided inside the shell 1, and the air cooling structure can slow down the material descent speed and make the material descend evenly through the cooperation of the inclined plate 4 and the guide plate 6. The air cooling structure includes an inclined plate 4, which is installed on the outer surface of the ventilation pipe 10, and the upper end of the ventilation pipe 10 is connected to the feed distribution pipe 3. A plurality of hoods 5 are installed on the outer surface of the inclined plate 4, and a guide plate 6 is correspondingly provided below the inclined plate 4. The guide plate 6 is installed on the inner wall surface of the shell 1, and another inclined plate 4 is provided below the guide plate 6. , the lower end of the ventilation pipe 10 is rotatably mounted on the upper surface of the inner bin 7, the inner bin 7 is mounted on the upper surface of the partition plate 13, a motor 8 is mounted on the lower surface of the inner wall of the inner bin 7, a fan 9 is connected to the upper surface of the motor 8, an opening is provided on the upper surface of the inner bin 7 corresponding to the ventilation pipe 10, a belt 11 is connected to the outer surface of the lower end of the feed port 2, the other end of the belt 11 is connected to the motor 2 12, the motor 2 12 is mounted on the upper surface of the housing 1, the guide plate 6 is set to a circular ring structure inclined inwardly, the inclined plate 4 is set to a hollow structure, and the hollow part corresponds to the pipe body opening of the ventilation pipe 10;

[0034] The high-efficiency and uniform cooling machine for lost foam casting is used for cooling the casting sand after demoulding after lost foam casting. When in use, the material first enters through the feed port 2 on the upper surface of the shell 1, and then the cone at the upper end of the ventilation pipe 10 makes the material flow and move downward through the distribution pipe 3. At the same time, Figure 2 As shown, the motor 18 installed on the lower surface of the inner wall of the inner bin 7 is turned on, so that the fan 9 rotates, and the air is absorbed through the ventilation pipe on the side surface of the inner bin 7, and then the fan 9 blows the airflow upward. Since the upper surface of the inner bin 7 is provided with an opening connected to the ventilation pipe 10, the airflow passes through the ventilation pipe 10 upward, and under the guidance of the ventilation pipe 10, the airflow will enter the interior of the inclined plate 4, and then be blown out evenly through a plurality of wind hoods 5 installed on the outer surface of the inclined plate 4, so that the material is evenly cooled by air. At the same time, the motor 2 12 is turned on, and the motor 2 12 drives the belt 11 to rotate, so that the belt 11 drives the feed pipe 2 to rotate. The feed pipe 2 is fixedly connected to the ventilation pipe 10, so it drives the ventilation pipe 10 to rotate, and the inclined plate 4 connected to the outer surface of the ventilation pipe 10 will be driven to rotate together, so that the material falls downward under the action of centrifugal force, and makes the material more uniform, which can avoid accumulation on the wind hood 5, and then the material reaches the guide plate 10. Through the inclined structure of the guide plate, the material will continue to fall, and then pass through the lower inclined plate 4 to reach the partition plate 13.

[0035] Example 2

[0036] The efficient and uniform cooling machine for lost foam casting is provided with a water cooling structure, which allows the material to be fully in contact with the cooling liquid through the spiral tube 15, and the temperature is quickly reduced. Specifically:

[0037] A water cooling structure is provided below the partition plate 13. The water cooling structure can make the material fully contact with the coolant through the spiral tube 15. The water cooling structure includes a connecting tube 14. The connecting tube 14 is installed on the lower surface of the partition plate 13. The lower end of the connecting tube 14 is connected to the spiral tube 15. The spiral tube 15 extends downward in a circumferential manner. A coolant tank 16 is provided below the partition plate 13, and a water exchange port is provided on the side surface of the coolant tank 16. An inclined groove is provided on the upper surface of the partition plate 13.

[0038] After reaching the partition plate 13, the material will enter the inclined groove of the partition plate 13, and then enter the spiral tube 15 through the connecting pipe 14 connected to the lower surface of the partition plate 13. Since the spiral tube 15 is immersed in the coolant tank 16 in a surrounding manner, the material in the spiral tube 15 can fully contact with the coolant, so that it is quickly cooled down, and then the material is discharged through the lower end of the spiral tube 15, and the coolant can be replaced through the water exchange port set on the side surface of the coolant tank 16.

[0039] Working principle: When using the cooling machine for lost foam casting with high efficiency and uniform cooling, an air cooling structure is provided, and the inclined plate 4 and the wind hood 5 cooperate to make the material evenly contact with the air flow for cooling. A water cooling structure is provided, and the spiral tube 15 makes the material fully contact with the cooling liquid, thereby increasing the overall practicality.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cooling machine for lost foam casting with high efficiency and uniform cooling, comprising a housing (1), wherein a feed port (2) is arranged on the upper surface of the housing (1), and characterized in that: It also includes a material distribution pipe (3), which is installed at the lower end of the feed port (2). An air cooling structure is provided inside the shell (1), and the air cooling structure can slow down the descending speed of the material and make the material descend evenly through the cooperation of the inclined plate (4) and the guide plate (6).

2. The cooling machine for lost foam casting with high efficiency and uniform cooling according to claim 1, characterized in that: The air cooling structure comprises an inclined plate (4), the inclined plate (4) being mounted on the outer surface of a ventilation pipe (10), the upper end of the ventilation pipe (10) being connected to a material distribution pipe (3), a plurality of wind caps (5) being mounted on the outer surface of the inclined plate (4), a material guide plate (6) being correspondingly arranged below the inclined plate (4), the material guide plate (6) being mounted on the inner wall surface of the housing (1), another inclined plate (4) being arranged below the material guide plate (6), and the lower end of the ventilation pipe (10) being rotatably mounted on the inner bin (7 ), the inner bin (7) is mounted on the upper surface of the partition plate (13), a motor 1 (8) is mounted on the lower surface of the inner wall of the inner bin (7), a fan (9) is connected to the upper surface of the motor 1 (8), an opening is provided on the upper surface of the inner bin (7) corresponding to the ventilation pipe (10), a belt (11) is connected to the outer surface of the lower end of the feed port (2), the other end of the belt (11) is connected to a motor 2 (12), and the motor 2 (12) is mounted on the upper surface of the outer casing (1).

3. The cooling machine for lost foam casting with high efficiency and uniform cooling according to claim 2, characterized in that: The guide plate (6) is configured as a circular ring structure inclined inwardly.

4. The cooling machine for lost foam casting with high efficiency and uniform cooling according to claim 2, characterized in that: The inclined plate (4) is configured as a hollow structure, and the hollow portion corresponds to the pipe body opening of the ventilation pipe (10).

5. The cooling machine for lost foam casting with high efficiency and uniform cooling according to claim 2, characterized in that: A water cooling structure is provided below the partition plate (13), and the water cooling structure can enable the material to fully contact with the cooling liquid through the spiral tube (15).

6. The cooling machine for lost foam casting with high efficiency and uniform cooling according to claim 5, characterized in that: The water cooling structure comprises a connecting pipe (14), wherein the connecting pipe (14) is installed on the lower surface of the partition plate (13), the lower end of the connecting pipe (14) is connected to a spiral pipe (15), and the spiral pipe (15) extends downward in a circumferential manner. A coolant tank (16) is arranged below the partition plate (13), and a water exchange port is arranged on the side surface of the coolant tank (16).

7. The cooling machine for lost foam casting with high efficiency and uniform cooling according to claim 6, characterized in that: The upper surface of the partition plate (13) is provided with an inclined groove.

Images