A cast water circulation cooling device

Abstract

The application discloses a cast water circulation cooling device, and particularly relates to the technical field of metal smelting, which comprises a cooling barrel, a spiral guide vane is fixedly installed on the inner wall of the cooling barrel, the axis of the spiral guide vane is collinear with the axis of the cooling barrel, a placing assembly for placing a cast is fixedly connected to the inner wall of the cooling barrel, a forked three-way pipe is communicated with a water outlet pipe at the bottom of the cooling barrel, a filtering assembly is communicated with an interface at the top of the forked three-way pipe away from the cooling barrel, a backwater pipe with a water pump arranged therein is communicated with the top of the filtering assembly, the top of the backwater pipe is communicated with a water inlet pipe at the top of the cooling barrel, the water inlet pipe of the cooling barrel is tangent to the cross section of the main body of the cooling barrel, and the rotating direction of the water flow input into the inner cavity of the cooling barrel is consistent with the spiral direction of the spiral guide vane; in the application, the cooling water flows spirally from top to bottom around the cast, heat accumulation is not prone to occurring at each part of the cast along with the circulation of the cooling water, and the stability of the quenching quality of large workpieces is ensured.

Description

Technical Field

[0001] This utility model belongs to the field of metal smelting technology, and specifically relates to a water circulation cooling device for castings. Background Technology

[0002] Heat treatment of metal castings involves heating, holding, and cooling to alter the internal structure of the casting, eliminate casting stress, and improve mechanical properties and dimensional stability. Common processes include annealing, normalizing, quenching, and tempering, which can improve the machinability, wear resistance, and fatigue resistance of castings, ensuring product quality.

[0003] When quenching metal castings, controlling the water temperature is crucial, especially for large workpieces, where heat accumulation often occurs. This can lead to uneven temperature distribution across the workpiece, resulting in inconsistent quenching effects and impacting workpiece quality. Therefore, a novel water-circulating cooling device for castings is needed. Summary of the Invention

[0004] To address the aforementioned problems, this utility model discloses a water circulation cooling device for castings.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows:

[0006] A casting water circulation cooling device includes a cooling tank. A spiral guide plate is fixedly installed on the inner wall of the cooling tank, and the axis of the spiral guide plate is collinear with the axis of the cooling tank. A placement assembly for placing castings is fixedly connected to the inner wall of the cooling tank. A forked tee pipe is connected to the bottom outlet pipe of the cooling tank, and a filter assembly is connected to the top interface of the forked tee pipe away from the cooling tank. A return water pipe with its own water pump is connected to the top of the filter assembly. The top of the return water pipe is connected to the top inlet pipe of the cooling tank. The inlet pipe of the cooling tank is tangent to the cross-section of the main body of the cooling tank, and the rotation direction of the water flow entering the inner cavity of the cooling tank through the inlet pipe follows the spiral direction of the spiral guide plate.

[0007] As a preferred embodiment of this utility model, control valves are installed at all three outlets of the forked tee pipe.

[0008] As a preferred embodiment of this utility model, the placement assembly includes a fixing frame that is fixedly connected to the inner wall of the cooling tank by a plurality of horizontally extending rods. The center of the fixing frame is threadedly connected to a vertically upward support column, and the top of the support column is threadedly connected to a tray.

[0009] As a preferred embodiment of this utility model, the support column is a hexagonal prism.

[0010] As a preferred embodiment of this utility model, the filter assembly includes a filter box that is simultaneously connected to a forked tee pipe and a return water pipe. Several parallel filter screens are horizontally inserted into the inner cavity of the filter box, and a sealing plate is fixedly installed at the side opening of the filter box.

[0011] As a preferred embodiment of this utility model, the water pump installed on the return water pipe is located at the bottom of the return water pipe.

[0012] As a preferred embodiment of this utility model, a base is provided below the cooling tank, and the base extends upward to form two brackets that respectively support the cooling tank and the filter assembly.

[0013] The beneficial effects of this utility model are as follows:

[0014] 1. When the casting of this application is immersed in cooling water for quenching, the water pump is started to draw cooling water from the outlet pipe of the cooling tank. The cooling water enters the filter assembly through the forked tee pipe for filtration, and then flows back into the cooling tank. Since the inlet pipe of the cooling tank is tangent to the cross-section of the main body of the cooling tank, the water flowing into the inner cavity of the cooling tank through the inlet pipe flows along the spiral guide plate, so that the cooling water flows around the casting spirally from top to bottom. With the circulation of the cooling water, heat accumulation is not easy to occur in various parts of the casting, and the quenching effect of various parts of the casting is uniform, ensuring the stability of the quenching quality of large workpieces.

[0015] 2. The filter assembly of this application has a detachable sealing plate, and the filter screen can be pulled out for cleaning and rinsing of the filter box, which facilitates maintenance;

[0016] Third, this application selects support columns of appropriate length and pallets of appropriate size according to the shape and size of the casting, so that the casting placed on the pallet is as close as possible to the center of the cooling tank, so as to adapt to various castings for quenching treatment and has strong versatility. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0018] Figure 2 This is a cross-sectional view of the cooling tank, spiral guide plate, and placement assembly according to an embodiment of the present invention;

[0019] Figure 3 An exploded view of the components placed in an embodiment of this utility model;

[0020] Figure 4 This is an exploded view of the filter assembly according to an embodiment of the present invention;

[0021] Figure 5 This is a schematic diagram of the base structure of an embodiment of the present utility model.

[0022] List of identifiers in attached diagrams:

[0023] 1. Cooling tank; 2. Spiral guide vane;

[0024] 3. Component placement; 301. Fixing frame; 302. Support column; 303. Tray;

[0025] 4. Forked tee pipe;

[0026] 5. Filter assembly; 501. Filter box; 502. Sealing plate; 503. Filter screen

[0027] 6. Return water pipe; 7. Base. Detailed Implementation

[0028] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments. It should be understood that the following specific embodiments are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0029] Please see Figure 1-5 A casting water circulation cooling device includes a cooling tank 1. A spiral guide plate 2 is fixedly installed on the inner wall of the cooling tank 1, and the axis of the spiral guide plate 2 is collinear with the axis of the cooling tank 1. A placement assembly 3 for placing castings is fixedly connected to the inner wall of the cooling tank 1. A forked tee pipe 4 is connected to the bottom outlet pipe of the cooling tank 1, and a filter assembly 5 is connected to the top interface of the forked tee pipe 4 away from the cooling tank 1. The cooling tank 1 and the forked tee pipe 4, as well as the forked tee pipe 4 and the filter assembly 5, are connected by flanges. A return water pipe 6 with its own water pump is connected to the top of the filter assembly 5, and the top of the return water pipe 6 is connected to the top inlet pipe of the cooling tank 1. The two ends of the return water pipe 6 are connected to the cooling tank 1 and the filter assembly 5 respectively by flanges. The inlet pipe of the cooling tank 1 is tangent to the cross-section of the main body of the cooling tank 1, and the rotation direction of the water flowing into the inner cavity of the cooling tank 1 through the inlet pipe follows the spiral direction of the spiral guide plate 2.

[0030] Control valves are installed at all three outlets of the forked tee pipe 4. When the casting is cooled by water circulation, the top two control valves of the forked tee pipe 4 are open, and the bottom control valve is closed; when cleaning and filtering impurities, the control valve closest to the cooling tank 1 is closed, and the remaining two control valves are open.

[0031] The placement assembly 3 includes a fixing frame 301 fixedly connected to the inner wall of the cooling tank 1 via several horizontally extending rods. A vertically upward-pointing support column 302 is threaded to the center of the fixing frame 301. A tray 303 is threaded to the top of the support column 302. The support column 302 is a hexagonal prism. The length of the support column 302 and the dimensions of the tray 303 are determined according to the shape of the casting, ensuring that the casting placed on the tray 303 is as centrally located as possible within the cooling tank 1, and that the casting is submerged in the cooling water. The direction of rotation of the water flow in the cooling tank 1 is the tightening direction of the support column 302 and the tray 303.

[0032] The filter assembly 5 includes a filter box 501 that is simultaneously connected to the forked tee pipe 4 and the return water pipe 6. Several parallel filter screens 503 are horizontally inserted into the inner cavity of the filter box 501. A sealing plate 502 is fixedly installed at the side opening of the filter box 501, and several bolts and nuts for fixed connection with the filter box 501 are installed on the edge of the sealing plate 502.

[0033] The water pump installed on the return water pipe 6 is located at the bottom of the return water pipe 6, which facilitates the extraction of cooling water from the cooling tank 1.

[0034] A base 7 is provided below the cooling tank 1, and two brackets extend upward from the base 7 to support the cooling tank 1 and the filter assembly 5, respectively. The two brackets are adapted to the shape of the filter box 501 of the cooling tank 1. The bottom plate of the base 7 has through holes for bolt mounting positions.

[0035] Working principle:

[0036] Before use, select a support column 302 of appropriate length and a tray 303 of appropriate size according to the shape and size of the casting and install them in the center of the fixing frame 301 so that the casting placed on the tray 303 is as close as possible to the center of the cooling barrel 1.

[0037] During use, the casting is placed on tray 303 and immersed in cooling water for quenching. At the same time, the water pump is started to draw cooling water from the outlet pipe of cooling tank 1. The cooling water enters the filter assembly 5 through the forked tee pipe 4 for filtration. Then the cooling water flows back into cooling tank 1 through return pipe 6. Since the inlet pipe of cooling tank 1 is tangent to the cross-section of the main body of cooling tank 1, the water flowing into the inner cavity of cooling tank 1 through the inlet pipe flows along the spiral guide plate 2, so that the cooling water flows around the casting spirally from top to bottom. With the circulation of cooling water, heat accumulation is not easily generated in various parts of the casting, and the quenching effect of the casting is uniform.

[0038] When cleaning the filter assembly 5, the control valve closest to the cooling tank 1 of the forked tee pipe 4 is closed, and the remaining two control valves are opened. Then, the sealing plate 502 is opened, the filter screen 503 is pulled out for cleaning, and then the filter box 501 is rinsed. Wastewater flows out from the bottom outlet of the forked tee pipe 4.

[0039] It should be noted that the above content merely illustrates the technical concept of this utility model and cannot be used to limit the scope of protection of this utility model. For those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and all such improvements and modifications fall within the scope of protection of the claims of this utility model.

Claims

1. A water circulation cooling device for castings, comprising a cooling tank (1), characterized in that, The inner wall of the cooling barrel (1) is fixedly installed with a spiral guide plate (2), and the axis of the spiral guide plate (2) is collinear with the axis of the cooling barrel (1). The inner wall of the cooling barrel (1) is fixedly connected with a placement component (3) for placing castings. The bottom outlet pipe of the cooling barrel (1) is connected to a forked tee pipe (4), and the top interface of the forked tee pipe (4) away from the cooling barrel (1) is connected to a filter component (5). The top of the filter component (5) is connected to a return water pipe (6) with its own water pump. The top of the return water pipe (6) is connected to the top inlet pipe of the cooling barrel (1). The inlet pipe of the cooling barrel (1) is tangent to the cross-section of the main body of the cooling barrel (1), and the water flow entering the inner cavity of the cooling barrel (1) through the inlet pipe rotates in the same direction as the spiral guide plate (2).

2. The casting water circulation cooling device according to claim 1, characterized in that, Control valves are installed at all three outlets of the forked tee (4).

3. The casting water circulation cooling device according to claim 1, characterized in that, The placement assembly (3) includes a fixing frame (301) fixedly connected to the inner wall of the cooling tank (1) by a number of horizontal extension rods. The center of the fixing frame (301) is threaded with a vertically upward support column (302), and the top of the support column (302) is threaded with a tray (303).

4. A water circulation cooling device for castings according to claim 3, characterized in that, The support column (302) is a hexagonal prism.

5. A water circulation cooling device for castings according to claim 1, characterized in that, The filter assembly (5) includes a filter box (501) that is connected to both the forked tee pipe (4) and the return water pipe (6). Several parallel filter screens (503) are inserted into the inner cavity of the filter box (501). A sealing plate (502) is fixedly installed at the side opening of the filter box (501).

6. A water circulation cooling device for castings according to claim 1, characterized in that, The water pump installed on the return water pipe (6) is located at the bottom of the return water pipe (6).

7. A water circulation cooling device for castings according to claim 1, characterized in that, A base (7) is provided below the cooling tank (1), and the base (7) extends upward to provide two brackets that support the cooling tank (1) and the filter assembly (5) respectively.

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