A die casting all-around cooling device

Abstract

This utility model discloses a comprehensive cooling device for die-cast parts, belonging to the field of die-casting production. It includes a cooling chamber with an inlet and an outlet on each side. A conveyor support is installed within the cooling chamber, extending from both ends of the inlet and outlet. Several conveyor rollers are mounted on the conveyor support. Several high-pressure nozzles are positioned above the cooling chamber and above the conveyor support, spraying cooling gas towards the conveyor support. A power box and an air collection box are located on both sides of the conveyor support, corresponding to the ends of the conveyor rollers. The power box contains a power transmission device. The conveyor rollers are hollow tubes, with one end closed and extending into the power box and connected to the power transmission device, and the other end open and extending into the air collection box. Several protrusions are provided on the surface of the hollow tubes, with air jet holes around the protrusions communicating with the interior of the hollow tube. This structure not only enables rapid comprehensive cooling of the die-cast parts after water cooling but also allows for rapid air drying of the die-cast parts.

Description

Technical Field

[0001] This utility model relates to the field of die casting production, specifically to an all-around cooling device for die castings. Background Technology

[0002] Cooling is an essential step in die casting production. Currently, the main cooling methods include water cooling, air cooling, and hybrid cooling. Water cooling can quickly and efficiently cool die castings, while air cooling is simple and easy to operate, but its cooling effect is limited.

[0003] This solution addresses die-cast parts with through-channels. After water cooling, the residual heat of the die-cast part will be used to remove the water from its surface. However, the through-channels not only have difficulty dissipating residual heat, but also have high humidity, which is not conducive to storage later.

[0004] In view of the problems existing in the prior art, this utility model designs and manufactures an all-round cooling device for die-cast parts to overcome the above defects. Summary of the Invention

[0005] To address the problems existing in the prior art, this utility model provides an all-round cooling device for die castings, which can not only rapidly and comprehensively cool the die castings after water cooling, but also quickly air dry the die castings.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a omnidirectional cooling device for die castings, including a cooling chamber, an inlet and an outlet respectively provided on both sides of the cooling chamber, a conveying bracket provided in the cooling chamber, the inlet and outlet respectively extending from both ends of the conveying bracket, and a plurality of conveying rollers provided on the conveying bracket;

[0007] Several high-pressure nozzles are provided above the cooling chamber and above the conveying support, and the high-pressure nozzles can spray cooling gas toward the conveying support.

[0008] The conveying support is equipped with a power box and an air collection box on both sides corresponding to the two ends of the conveying roller. The power box is equipped with a power transmission device. The conveying roller is a hollow tube. One end of the hollow tube is closed and extends into the power box and is connected to the power transmission device. The other end of the hollow tube is open and extends into the air collection box.

[0009] The surface of the hollow tube is provided with several protrusions, and air jet holes are provided around the protrusions, which communicate with the interior of the hollow tube.

[0010] Preferably, an air collecting hood is provided above the cooling chamber, an exhaust pipe is provided on the top of the air collecting hood, and an exhaust fan is provided in the exhaust pipe.

[0011] Preferably, an air collection pipe is provided above the cooling chamber, and several high-pressure nozzles are connected to the bottom of the air collection pipe.

[0012] Preferably, the hollow tube is provided with air jet holes at positions symmetrical to the protrusion.

[0013] Preferably, the number of protrusions and jet holes in the circumferential direction is odd, and the protrusions and jet holes are arranged alternately at equal intervals in the circumferential direction.

[0014] Preferably, the power transmission device includes a conveyor chain, a sprocket, a bearing housing, and a geared motor. Each conveyor roller is connected to a bearing housing and a sprocket at one end, and the geared motor drives the conveyor roller to rotate through the conveyor chain and the sprocket.

[0015] Preferably, the conveying roller at the open end is connected to the air collecting box via a sealed bearing.

[0016] Preferably, both the air collecting duct and the air collecting box are connected to an air inlet pipe, and an air inlet fan is installed on the air inlet pipe.

[0017] Preferably, a water receiving tray is provided on the conveying support at the bottom of the conveying roller.

[0018] Preferably, the bottom of the water receiving tray is provided with a water collection pipe.

[0019] The advantages of this utility model are:

[0020] 1. This utility model utilizes a conveyor roller during the transfer of water-cooled die-cast parts. This not only further reduces the surface temperature of the die-cast parts using a high-pressure nozzle, but also quickly dries the water on the surface of the die-cast parts. The air jet holes on the conveyor roller at the bottom of the die-cast parts can cool the bottom of the die-cast parts. Furthermore, the through-channels on the die-cast parts can directly blow gas through the air jet holes into the through-channels for cooling, improving the cooling effect in the through-channels and achieving rapid drying of the water on the inner wall of the through-channels.

[0021] 2. The protrusions on the conveyor roller of this utility model can form point-to-surface contact with the die-casting part above, which is beneficial for the air jet holes around the protrusion to cool the bottom of the die-casting part. Moreover, the protrusions can increase the friction between the roller and the die-casting part, which is beneficial for the stable conveying of the die-casting part. Attached Figure Description

[0022] Figure 1 A front view of an all-around cooling device for die-cast parts;

[0023] Figure 2 This is a schematic diagram of the upper structure of the conveying support of this utility model;

[0024] Figure 3 This is a schematic diagram of the conveyor roller of this utility model;

[0025] Figure 4This is a partial cross-sectional view of the conveyor roller of this utility model.

[0026] In the diagram: 1. Conveyor support; 2. High-pressure nozzle; 3. Air collection pipe; 4. Cooling chamber; 5. Air collection hood; 6. Exhaust pipe; 7. Exhaust fan; 8. Inlet; 9. Outlet; 10. Air collection box; 11. Power box; 12. Conveyor roller; 121. Air jet hole; 122. Protrusion. Detailed Implementation

[0027] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0028] like Figures 1 to 4 As shown, a die-casting part omnidirectional cooling device includes a cooling chamber 4, with an inlet 8 and an outlet 9 on both sides of the cooling chamber 4. A conveying support 1 is provided in the cooling chamber 4, with an inlet 8 and an outlet 9 extending from both ends of the conveying support 1. Several conveying rollers 12 are provided on the conveying support 1, and the die-casting part to be air-cooled can be conveyed from one end of the conveying support 1 to the other end through the conveying rollers 12, that is, from the inlet 8 to the outlet 9 of the cooling chamber 4.

[0029] The present invention has several high-pressure nozzles 2 above the cooling chamber 4 and above the conveying support 1. Specifically, an air collecting pipe 3 is provided above the cooling chamber 4, and the several high-pressure nozzles 2 are connected to the bottom of the air collecting pipe 3. The high-pressure nozzles 2 can spray cooling gas towards the conveying support 1, which can not only further reduce the surface temperature of the die casting, but also quickly dry the water on the surface of the die casting.

[0030] A power box 11 and an air collection box 10 are respectively provided on both sides of the conveying support 1 at the two ends of the conveying roller 12. The power box 11 is equipped with a power transmission device. The conveying roller 12 is a hollow tube. One end of the hollow tube is closed and extends into the power box 11 and is connected to the power transmission device. The other end of the hollow tube is open and extends into the air collection box 10. The surface of the hollow tube of this utility model is provided with several protrusions 122. Air jet holes 121 are provided around the protrusions 122 and communicate with the inside of the hollow tube.

[0031] The protrusions 122 on the conveying roller 12 of this utility model can form point-to-surface contact with the die-casting part above, which is beneficial for the air jet holes 121 around the protrusions 122 to cool the bottom of the die-casting part. Moreover, the setting of the protrusions 122 can increase the friction between the protrusions and the die-casting part, which is beneficial for the stable conveying of the die-casting part.

[0032] In addition, the air jet 121 on the conveyor roller 12 at the bottom of the die casting can cool the bottom of the die casting. When the die casting is placed on the conveyor roller 12, by making the channel opening of the through channel face downward, the through channel on the die casting can directly blow gas into the through channel through the air jet 121 to cool it, which improves the cooling effect in the through channel and realizes the rapid drying of water on the inner wall of the through channel.

[0033] The present invention has an air collecting hood 5 above the cooling chamber 4, an exhaust pipe 6 at the top of the air collecting hood 5, and an exhaust fan 7 in the exhaust pipe 6, which can exhaust the humid gas from the cooling chamber 4 as much as possible.

[0034] In this invention, an air jet hole 121 is positioned symmetrically to the protrusion 122 on the hollow tube. By using a punch to press the tube wall through the air jet hole 121, the protrusion 122 can be formed, which facilitates the processing of the protrusion 122 on the conveyor roller 12.

[0035] Specifically, the number of protrusions 122 and jet holes 121 in the circumferential direction is odd, and the protrusions 122 and jet holes 121 are arranged alternately at equal intervals in the circumferential direction.

[0036] The power transmission device of this utility model includes a conveyor chain, a sprocket, a bearing seat, and a geared motor. Each conveyor roller 12 is connected to a bearing seat and a sprocket at one end. The geared motor drives the conveyor roller 12 to rotate through the conveyor chain and the sprocket.

[0037] The open end of the conveying roller 12 is connected to the air collection box 10 by a sealed bearing, so that the high pressure gas in the air collection box 10 can be ejected through the jet hole 121 on the conveying roller 12 as much as possible.

[0038] To ensure the supply of high-pressure cooling gas, both the air collection duct 3 and the air collection box 10 are connected to air inlet pipes, and air inlet fans are installed on the air inlet pipes.

[0039] In addition, since some water will remain on the die-cast parts after water cooling, this utility model provides a water receiving tray on the conveying bracket 1 at the bottom of the conveying roller 12, and a water collecting pipe is provided at the bottom of the water receiving tray, which can transport the water back to the cooling water pool.

[0040] It should be understood that these embodiments are for illustrative purposes only and are not intended to limit the scope of protection of this utility model. Furthermore, it should be understood that after reading the technical description of this utility model, those skilled in the art can make various alterations, modifications, and / or variations to this utility model, and all such equivalent forms also fall within the scope of protection defined by the appended claims.

Claims

1. A die casting all-around cooling device characterized by, It includes a cooling chamber (4), with an inlet (8) and an outlet (9) on both sides of the cooling chamber (4), and a conveying bracket (1) in the cooling chamber (4). The inlet (8) and outlet (9) extend from both ends of the conveying bracket (1), and a plurality of conveying rollers (12) are provided on the conveying bracket (1). Several high-pressure nozzles (2) are provided above the cooling chamber (4) and above the conveying support (1), and the high-pressure nozzles (2) can spray cooling gas toward the conveying support (1); The conveying support (1) is provided with a power box (11) and an air collection box (10) on both sides corresponding to the two ends of the conveying roller (12). The power box (11) is provided with a power transmission device. The conveying roller (12) is a hollow tube. One end of the hollow tube is closed and extends into the power box (11) and connected to the power transmission device. The other end of the hollow tube is open and extends into the air collection box (10). The hollow tube has several protrusions (122) on its surface, and air jet holes (121) are provided around the protrusions (122) and communicate with the interior of the hollow tube.

2. A full-range cooling device for die castings according to claim 1, characterized in that, The cooling chamber (4) is provided with an air collecting hood (5) above it, and an exhaust pipe (6) is provided on the top of the air collecting hood (5), and an exhaust fan (7) is provided in the exhaust pipe (6).

3. A full-range cooling device for die castings according to claim 1, characterized in that, The cooling chamber (4) is provided with an air collection pipe (3) above it, and several high-pressure nozzles (2) are connected to the bottom of the air collection pipe (3).

4. A full-range cooling device for die castings according to claim 1, characterized in that, The hollow tube is provided with an air jet hole (121) at a position symmetrical to the protrusion (122).

5. A full-range cooling device for die castings according to claim 1, characterized in that, The number of protrusions (122) and jet holes (121) in the circumferential direction is odd, and the protrusions (122) and jet holes (121) are arranged alternately at equal intervals in the circumferential direction.

6. A full-range cooling device for die castings according to claim 1, characterized in that, The power transmission device includes a conveyor chain, a sprocket, a bearing seat, and a geared motor. Each conveyor roller (12) is connected to a bearing seat and a sprocket at one end. The geared motor drives the conveyor roller (12) to rotate through the conveyor chain and the sprocket.

7. A full-range cooling device for die castings according to claim 1, characterized in that, The conveying roller (12) at the open end is connected to the air collection box (10) by a sealed bearing.

8. The all-around cooling device for die-cast parts according to claim 3, characterized in that, Both the air collection pipe (3) and the air collection box (10) are connected to an air inlet pipe, and an air inlet fan is provided on the air inlet pipe.

9. The all-around cooling device for die-cast parts according to claim 1, characterized in that, A water receiving tray is provided on the conveying support (1) at the bottom of the conveying roller (12).

10. A full-range cooling device for die castings according to claim 9, characterized in that, The bottom of the water receiving tray is equipped with a water collection pipe.

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