Cooling device for lost foam casting

Abstract

The utility model relates to the field of cooling equipment, in particular to a cooling device for lost foam casting. Comprising a box body, a storage cavity is formed in the box body, a first cavity is formed in the box body, two sets of second cavities are symmetrically formed in the box body, a plurality of sets of third cavities are symmetrically formed in the box body, and the two sets of second cavities are symmetrically arranged with the central axis of the top of the storage cavity as the center; a plurality of sets of servo motors are arranged at the edge of the top of the box body at equal intervals, the output ends of the servo motors penetrate through the box body and then are in transmission connection with connecting rods, each set of connecting rods is located in one set of second cavities, and a set of fan blades is installed at the end, away from the servo motors, of each set of connecting rods; and each group of fan blades is positioned in one group of third cavities. According to the embodiment, the cooling efficiency is improved, and the casting cooling time is shortened.

Description

Technical Field

[0001] The utility model belongs to the technical field of cooling equipment, in particular to a cooling device for lost foam casting. Background Art

[0002] Lost foam casting is a new casting technology that produces castings with a one-time molding new process. It is an advanced technology in my country's foundry industry. In the actual production process, after the casting is cooled to a certain temperature in the sand box, the sand box will be tilted to lift the casting out or the casting will be directly lifted out of the sand box. After the casting is lifted out, it will be placed in the environment to continue cooling, which means that a special place is needed for further cooling.

[0003] After searching, in the prior art, China Patent Publication No.: CN213614102U, Authorization Publication Date: 2020-11-16, discloses a cooling device for lost foam casting production castings, including a ventilation duct, a cooling water pipe and an exhaust rack, the cooling water pipe includes a cooling water inlet pipe and a cooling water outlet pipe, the exhaust rack is arranged with an exhaust duct, the exhaust duct is provided with a plurality of exhaust holes for exhausting air to the outside, wherein the openings of the exhaust holes of the exhaust holes can use a filter to reduce the amount of dust entering the exhaust holes, the exhaust duct includes a coaxially arranged outer tube and an inner tube, the outer tube and the inner tube are both hollow, in the outer tube and the inner tube, one is connected to the ventilation duct, and the other is connected to the cooling water pipe, that is to say, either the outer tube is connected to the cooling water pipe or the inner tube is connected to the cooling water pipe, in this embodiment, the inner tube is connected to the cooling water pipe, the outer tube is connected to the ventilation duct, and the inner wall of the outer tube is provided with a mounting frame for mounting the inner tube. The mounting frame can be formed integrally with the outer tube and the inner tube, or the mounting frame can be detachably connected to the inner tube and formed integrally with the outer tube. The above embodiment achieves the dual cooling effect of cooling water and cold air, so that the environmental cooling effect is better.

[0004] However, the device still has the following defects: the above embodiment does not have the function of accelerating the cooling water during cooling. If the flow rate of the cooling water is not accelerated, the cooling efficiency will be reduced, thereby increasing the time for cooling the casting. Utility Model Content

[0005] In view of the above problems, the utility model provides a cooling device for lost foam casting, comprising a box body, a storage cavity is provided in the box body, a first cavity is provided in the box body, two groups of second cavities are symmetrically provided in the box body, a plurality of groups of third cavities are symmetrically provided in the box body, and the two groups of the second cavities are symmetrically provided with the top central axis of the storage cavity as the center;

[0006] Several groups of servo motors are arranged at equal intervals at the top edge of the box body, and the output ends of the several groups of servo motors are connected to connecting rods after passing through the box body, and each group of connecting rods is located in one of the second cavities, and a group of fan blades are installed at the end of each group of connecting rods away from the servo motor, and each group of fan blades is located in one of the third cavities.

[0007] Furthermore, the top of the box body is connected to a water inlet pipe, and the bottom of the water inlet pipe is connected to one group of the second cavities.

[0008] Furthermore, an end of the top of the box body away from the water inlet pipe is connected to a water outlet pipe, and the bottom of the water outlet pipe is connected to another group of second cavities.

[0009] Furthermore, the central axes of the water inlet pipe and the water outlet pipe are located on the same straight line, and the plurality of groups of servo motors are all located at one end of the water inlet pipe away from the water outlet pipe.

[0010] Furthermore, the first cavity is located directly below the box body, the two groups of the second cavities are located above the storage cavity, the two groups of the second cavities are symmetrically arranged with the top central axis of the storage cavity as the center, and several groups of third cavities are symmetrically arranged with the central axis of the storage cavity as the center.

[0011] Furthermore, a transport pipe is connected to the bottom of one side wall of the box body, the transport pipe is connected to the first cavity, a thread is arranged on the end of the outer wall of the transport pipe away from the box body, and a first pipe cover is threadedly connected to the end of the transport pipe away from the box body.

[0012] Furthermore, two groups of support columns are symmetrically installed at the bottom edge of the box body, a box door is installed on one side wall of the box body, a handle is installed at the center of the edge of one side wall of the box door, and the handle is located at one end of the box door away from the storage cavity.

[0013] Furthermore, a cooling box is installed at the top center of the box body, and a first delivery pipe is connected to the bottom of a side wall of the cooling box close to the water inlet pipe, and the other end of the first delivery pipe is connected to the input end of the water inlet pipe.

[0014] Furthermore, a second delivery pipe is installed on the top of a side wall of the cooling box close to the water outlet pipe, and the other end of the second delivery pipe is installed on the output end of the water outlet pipe. A water pump is fixedly sleeved on the outer wall of the first delivery pipe, and the water pump is installed on the outer wall of the cooling box.

[0015] Furthermore, the top of the cooling box is connected to a water injection pipe, the top of the outer wall of the water injection pipe is provided with threads, and the top of the water injection pipe is threadedly connected to a second pipe cover.

[0016] The beneficial effects of the utility model are:

[0017] 1. The cooling water enters the second cavity, the third cavity and the first cavity, and the servo motor is started. The servo motor drives the connecting rod to rotate while driving the fan blades to rotate, thereby accelerating the flow rate of the cooling water, improving the cooling efficiency, and reducing the cooling time of the casting.

[0018] 2. The water in the cooling box is transported to the water inlet pipe through the first delivery pipe, and then enters the second cavity, the third cavity and the first cavity after entering the water inlet pipe. The water pump is started, and the cooling water is transported to the cooling box through the second delivery pipe and the water outlet pipe to cool the cooling water with increased temperature. After cooling, it enters the second cavity, the third cavity and the first cavity again through the first delivery pipe and the water inlet pipe to cool the casting. The cooling water is recycled, which reduces resource waste and reduces production costs.

[0019] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 A schematic diagram of the structure of a cooling device according to an embodiment of the utility model is shown;

[0022] Figure 2 A cross-sectional schematic diagram of a cooling device according to an embodiment of the utility model is shown;

[0023] Figure 3 A schematic cross-sectional view of a box according to an embodiment of the utility model is shown;

[0024] Figure 4 A schematic diagram of the maple leaf structure according to an embodiment of the utility model is shown.

[0025] In the figure: 1. box body; 2. support column; 3. box door; 4. handle; 5. storage cavity; 6. first cavity; 7. transport pipe; 8. first pipe cover; 9. second cavity; 10. third cavity; 11. water inlet pipe; 12. water outlet pipe; 13. servo motor; 14. connecting rod; 15. fan blade; 16. cooling box; 17. first transport pipe; 18. second transport pipe; 19. water pump; 20. water injection pipe; 21. second pipe cover. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0027] The utility model embodiment provides a cooling device for lost foam casting, exemplarily, as Figure 1 , Figure 2 and Figure 3 As shown, it includes a box body 1, two groups of support columns 2 are symmetrically installed at the bottom edge of the box body 1, a box door 3 is installed on one side wall of the box body 1, and a handle 4 is installed at the center of the edge of one side wall of the box door 3. A storage cavity 5 is opened in the box body 1, and the handle 4 is located at the end of the box door 3 away from the storage cavity 5. A first cavity 6 is opened in the box body 1, and the first cavity 6 is located directly below the box body 1. A transport pipe 7 is connected to the bottom of one side wall of the box body 1, and the transport pipe 7 is connected to the first cavity 6. A screw is arranged on the end of the outer wall of the transport pipe 7 away from the box body 1. The transport tube 7 is threadedly connected to the first tube cover 8 at one end away from the box body 1, and two groups of second cavities 9 are symmetrically opened in the box body 1, and the two groups of second cavities 9 are located above the storage cavity 5, and the two groups of second cavities 9 are symmetrically arranged with the top central axis of the storage cavity 5 as the center, and several groups of third cavities 10 are symmetrically arranged in the box body 1, and the several groups of third cavities 10 are symmetrically arranged with the central axis of the storage cavity 5 as the center, and the bottoms of several groups of the third cavities 10 are connected with the first cavity 6, and the tops of several groups of the third cavities 10 are respectively connected with the two groups of second cavities 9.

[0028] For example, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the top of the box body 1 is connected with a water inlet pipe 11, the bottom of the water inlet pipe 11 is connected with one group of second cavities 9, the top end of the box body 1 away from the water inlet pipe 11 is connected with a water outlet pipe 12, the bottom of the water outlet pipe 12 is connected with another group of second cavities 9, the central axes of the water inlet pipe 11 and the water outlet pipe 12 are located on the same straight line, and a plurality of groups of servo motors 13 are arranged at equal intervals at the top edge of the box body 1, and the plurality of groups of servo motors 13 are located at the end of the water inlet pipe 11 away from the water outlet pipe 12, and the output ends of the plurality of groups of servo motors 13 are connected to connecting rods 14 after passing through the box body 1, each group of the connecting rods 14 is located in one group of second cavities 9, and a group of fan blades 15 are installed at the end of each group of the connecting rods 14 away from the servo motor 13. Each group of the fan blades 15 is located in one group of the third cavities 10, a cooling box 16 is installed at the top center of the box body 1, and a first delivery pipe 17 is connected to the bottom of a side wall of the cooling box 16 close to the water inlet pipe 11, and the other end of the first delivery pipe 17 is connected to the input end of the water inlet pipe 11, and a second delivery pipe 18 is installed at the top of a side wall of the cooling box 16 close to the water outlet pipe 12, and the other end of the second delivery pipe 18 is installed on the output end of the water outlet pipe 12, and a water pump 19 is fixedly sleeved on the outer wall of the first delivery pipe 17, and the water pump 19 is installed on the outer wall of the cooling box 16, and a water injection pipe 20 is connected to the top of the cooling box 16, and a thread is set on the top of the outer wall of the water injection pipe 20, and a second pipe cover 21 is threadedly connected to the top of the water injection pipe 20.

[0029] Working principle: Turn the second pipe cover 21 to withdraw the water injection pipe 20, inject water into the water injection pipe 20 and enter the cooling box 16. After the injection is completed, turn the second pipe cover 21 to thread the water injection pipe 20 to prevent dust and impurities from entering the cooling box 16. Pull the handle 4 to open the box door 3, place the lost foam casting on the bottom inner wall of the box body 1, close the box door 3, and the water in the cooling box 16 is transported to the water inlet pipe 11 through the first delivery pipe 17, and then enters the second air inlet pipe 11. In the cavity 9, the third cavity 10 and the first cavity 6, the servo motor 13 and the water pump 19 are started, and the servo motor 13 drives the connecting rod 14 to rotate while driving the fan blade 15 to rotate, thereby accelerating the flow rate of the cooling water, and the cooling water is transported to the cooling box 16 through the second delivery pipe 18 and the water outlet pipe 12 to cool the cooling water with increased temperature. After cooling, the cooling water enters the second cavity 9, the third cavity 10 and the first cavity 6 again through the first delivery pipe 17 and the water inlet pipe 11 to cool the casting.

[0030] The cooling water enters the second cavity 9, the third cavity 10 and the first cavity 6, and the servo motor 13 is started. The servo motor 13 drives the connecting rod 14 to rotate while driving the fan blades 15 to rotate, thereby accelerating the flow rate of the cooling water, improving the cooling efficiency, and reducing the time for cooling the casting.

[0031] The water in the cooling box 16 is transported to the water inlet pipe 11 through the first delivery pipe 17, and then enters the second cavity 9, the third cavity 10 and the first cavity 6 after entering the water inlet pipe 11. The water pump 19 is started, and the cooling water is transported to the cooling box 16 through the second delivery pipe 18 and the water outlet pipe 12 to cool the cooling water with increased temperature. After cooling, it enters the second cavity 9, the third cavity 10 and the first cavity 6 again through the first delivery pipe 17 and the water inlet pipe 11 to cool the casting. The cooling water is recycled, which reduces resource waste and reduces production costs.

[0032] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cooling device for lost foam casting, comprising a box (1), characterized in that: The box body (1) is provided with a storage cavity (5), the box body (1) is provided with a first cavity (6), the box body (1) is provided with two groups of second cavities (9) symmetrically, the box body (1) is provided with a plurality of groups of third cavities (10) symmetrically arranged in the box body (1), and the two groups of the second cavities (9) are symmetrically arranged with the top central axis of the storage cavity (5) as the center; A plurality of groups of servo motors (13) are arranged at equal intervals at the top edge of the box body (1), and the output ends of the plurality of groups of servo motors (13) are connected to connecting rods (14) after passing through the box body (1), and each group of connecting rods (14) is located in one of the second cavities (9). A group of fan blades (15) is installed at one end of each group of connecting rods (14) away from the servo motors (13), and each group of fan blades (15) is located in one of the third cavities (10).

2. The cooling device for lost foam casting according to claim 1, characterized in that: The top of the box body (1) is connected to a water inlet pipe (11), and the bottom of the water inlet pipe (11) is connected to one of the sets of second cavities (9).

3. The cooling device for lost foam casting according to claim 2, characterized in that: An end of the top of the box body (1) away from the water inlet pipe (11) is connected to a water outlet pipe (12), and the bottom of the water outlet pipe (12) is connected to another group of second cavities (9).

4. The cooling device for lost foam casting according to claim 3, characterized in that: The central axes of the water inlet pipe (11) and the water outlet pipe (12) are located on the same straight line, and the plurality of groups of servo motors (13) are all located at one end of the water inlet pipe (11) away from the water outlet pipe (12).

5. The cooling device for lost foam casting according to claim 1, characterized in that: The first cavity (6) is located directly below the box body (1), the two groups of the second cavities (9) are both located above the storage cavity (5), the two groups of the second cavities (9) are symmetrically arranged with the top central axis of the storage cavity (5) as the center, and the plurality of groups of the third cavities (10) are symmetrically arranged with the central axis of the storage cavity (5) as the center.

6. The cooling device for lost foam casting according to claim 5, characterized in that: A transport pipe (7) is connected to the bottom of one side wall of the box body (1), and the transport pipe (7) is connected to the first cavity (6). A thread is provided on the end of the outer wall of the transport pipe (7) away from the box body (1), and a first pipe cover (8) is threadedly connected to the end of the transport pipe (7) away from the box body (1).

7. The cooling device for lost foam casting according to claim 1, characterized in that: Two groups of support columns (2) are symmetrically mounted at the bottom edge of the box body (1), a box door (3) is mounted on one side wall of the box body (1), a handle (4) is mounted at the center of the edge of one side wall of the box door (3), and the handle (4) is located at one end of the box door (3) away from the storage cavity (5).

8. The cooling device for lost foam casting according to claim 3, characterized in that: A cooling box (16) is installed at the top center of the box body (1), and a first delivery pipe (17) is connected to the bottom of a side wall of the cooling box (16) close to the water inlet pipe (11), and the other end of the first delivery pipe (17) is connected to the input end of the water inlet pipe (11).

9. The cooling device for lost foam casting according to claim 8, characterized in that: A second delivery pipe (18) is installed at the top of a side wall of the cooling box (16) close to the water outlet pipe (12); the other end of the second delivery pipe (18) is installed on the output end of the water outlet pipe (12); a water pump (19) is fixedly sleeved on the outer wall of the first delivery pipe (17); and the water pump (19) is installed on the outer wall of the cooling box (16).

10. The cooling device for lost foam casting according to claim 9, characterized in that: The top of the cooling box (16) is connected to a water injection pipe (20), the top of the outer wall of the water injection pipe (20) is provided with a thread, and the top of the water injection pipe (20) is threadedly connected to a second pipe cover (21).

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