Low-pressure casting water mist cooling structure

By designing an adjustable nozzle position and atomization orifice size water mist cooling structure in low-pressure casting, the problems of low efficiency and unevenness of traditional cooling methods are solved, achieving a more efficient and uniform cooling effect, and improving casting quality and production efficiency.

CN223629494UActive Publication Date: 2025-12-05GUIZHOU HANGPENG NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202423227103.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-05
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In existing low-pressure casting, traditional cooling methods such as air cooling and water cooling have problems with low or uneven cooling efficiency, which leads to defects such as deformation and cracking in the castings, affecting the dimensional accuracy and appearance quality of the castings.

Method used

A low-pressure casting water mist cooling structure was designed. The position and angle of the nozzle are adjusted by driving the connecting rod and rotating block with a cylinder, and the size of the atomizing orifice is adjusted by adjusting the adjustment component to achieve uniformity and flexibility of water mist cooling, so as to meet the cooling needs of different process stages and complex-shaped workpieces.

Benefits of technology

It improves cooling effect and quality, enhances the adaptability and practicality of cooling structure, increases production efficiency and product qualification rate, and reduces impact damage to castings or molds.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of low-pressure casting molds, and discloses a low-pressure casting water mist cooling structure which comprises a workbench, the top of the workbench is fixedly connected with a plurality of supporting columns, the tops of two supporting columns are fixedly connected with connecting blocks, the middles of the bottoms of the connecting blocks are fixedly connected with fixing boxes, and the fixing boxes are fixedly connected with the supporting columns. A first air cylinder is fixedly connected to the front side of the inner wall of the fixing box, a connecting rod is fixedly connected to the driving end of the first air cylinder, a connecting plate is rotatably connected to the rear side of the connecting rod, a rotating block is fixedly connected to the left side of the connecting plate, and a conveying pipe is fixedly connected to the inner wall of the rotating block. According to the low-pressure casting water mist cooling structure, the low-pressure casting water mist cooling structure can be aligned to different parts of a low-pressure casting mold or a casting, it is ensured that water mist cooling coverage is more comprehensive and even, the cooling effect and quality are effectively improved, the adaptability and practicability of the whole low-pressure casting water mist cooling structure are enhanced, and the production efficiency and the product percent of pass are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to low pressure casting mould field especially relates to a low pressure casting water mist cooling structure. BACKGROUND

[0002] Low pressure casting is a kind of special casting method, it is under the action of lower pressure, the metal liquid is pressed into the mould cavity from the bottom of crucible through the liquid lifting pipe and is cast, can make the metal liquid fill the cavity steadily, effectively reduces the gas entrainment, thereby improves the casting quality, especially applicable to some complex shape, high quality casting, low pressure casting combines the advantages of gravity casting and pressure casting, in the casting production process, it is a kind of relatively efficient, can produce high quality casting process;Water mist cooling is a kind of cooling mode, it is atomized into tiny water droplets by special device (such as spray head), forms the morphology similar to mist, these tiny water droplets after contacting the surface of the cooled object, utilize the principle of water evaporation heat absorption, take away the heat of the object a large amount, thereby realizes the effect of rapid cooling, compared with traditional cooling mode (such as pure water cooling), cooling efficiency is higher, and can flexibly adjust the intensity, angle etc. Parameters such as spray to control the cooling degree according to actual needs.

[0003] Low pressure casting water mist cooling structure is applied to low pressure casting process, and the device combination for cooling parts such as mould, includes water tank, water pump, water pipe and nozzle etc. Component, water pump extracts the water in water tank, is sent to nozzle through water pipe, and the atomized water droplet is sprayed to the mould surface, absorbs a large amount of heat by water evaporation, quickly takes away the heat of the mould, realizes effective cooling to regulate the temperature of casting process, improves casting quality and production efficiency.

[0004] In the prior art, part of low pressure casting has certain limitation due to traditional cooling mode such as air cooling, water cooling etc.The air cooling cooling efficiency is relatively low, and it is difficult to meet the rapid cooling requirement for some large or thick-walled castings;Although the water cooling speed is faster, but the cooling is uneven, thereby leading to the defects such as deformation, cracking of casting, seriously influence the dimensional accuracy and appearance quality of casting, therefore, a kind of low pressure casting water mist cooling structure is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the above shortcomings, the utility model provides a kind of low pressure casting water mist cooling structure, aims at improving the problems of deformation, cracking and other defects of casting in prior art.

[0006] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a low pressure casting water mist cooling structure, including the workstation, the top of the workstation is fixedly connected with a plurality of support column, wherein the top of two support column is fixedly connected with the connecting block, the bottom middle part of connecting block is fixedly connected with fixed box, the inner wall front side of fixed box is fixedly connected with air cylinder no.

[0008] As a further description of the above technical solution:

[0009] The adjusting assembly includes a rotating rod, the bottom of the rotating rod is fixedly connected with an adjusting knob, the outside of the rotating rod is fixedly connected with a bevel gear one, the inner wall left side of the adjusting box is fixedly connected with a conveying pipe, the inner wall left side of the adjusting box is rotatably connected with a bevel gear two, the left side of the bevel gear two is fixedly connected with a connecting column, the left side of the connecting column is fixedly connected with a connecting ring, and the left side of the connecting ring is fixedly connected with a first atomizing net.

[0010] As a further description of the above technical solution:

[0011] The outside of the first atomizing net is fixedly connected with a sealing ring, and the left side of the inner wall of the conveying pipe, i.e. the left side of the first atomizing net, is fixedly connected with a second atomizing net.

[0012] As a further description of the above technical solution:

[0013] The outside top of the fixed column is in contact with the inner wall of the guide groove, and the rotating block is pushed by the air cylinder one under the cooperation of the fixed column, the connecting plate and the connecting rod.

[0014] As a further description of the above technical solution:

[0015] The left side of the conveying pipe is fixedly connected with a spray head, and the top of the two connecting blocks is fixedly connected with a connecting table.

[0016] As a further description of the above technical solution:

[0017] The top middle part of the connecting table is fixedly connected with an air cylinder two, and the driving end of the air cylinder two is fixedly connected with an adapter plate.

[0018] As a further description of the above technical solution:

[0019] The top of the workbench is fixedly connected with guide columns on both sides, the outer part of the connecting plate is slidably connected to the outer part of the guide column, the outer bottom of the conveying pipe is fixedly connected with a water pump, and the outer bottom of the conveying pipe, namely the bottom of the water pump, is fixedly connected with a water tank on the right side of the bottom of the workbench.

[0020] As a further description of the above technical solution:

[0021] The outer part of the bevel gear two is meshingly connected with the outer part of the bevel gear one, and the top of the rotating rod is rotatably connected to the inner wall of the adjusting box.

[0022] The utility model has the advantages of the following beneficial effects:

[0023] 1、In the utility model, the connecting rod is driven to move by the air cylinder one, the connecting plate is driven to move by the connecting rod, the rotating block is slid along the fixed column and rotates around the fixed column under the cooperation of the fixed column and the guide groove, thereby the position and angle of the spray head are adjusted, so that the spray head can be aligned with different parts of the low-pressure casting mold or the casting, the water mist cooling coverage is more comprehensive and uniform, the cooling effect and quality are effectively improved, the adaptability and practicality of the whole low-pressure casting water mist cooling structure are enhanced, and the production efficiency and product qualification rate are improved.

[0024] 2、In the utility model, the rotating rod is driven to rotate by rotating the adjusting knob, the bevel gear two meshing with the bevel gear one is driven to rotate by the bevel gear one, the connecting column is driven to rotate by the bevel gear two, the connecting ring and the atomizing net one are driven to rotate by the connecting column, the atomizing net one is driven to rotate to change the size of the aperture of the atomizing net two, thereby the size of the atomizing aperture is adjusted, the atomization degree can be controlled, the water mist particles are refined when the aperture is adjusted to be small, the cooling is more uniform and soft, the impact damage to the casting or the mold is reduced, the water mist flow and the coverage range are increased when the aperture is adjusted to be large, the cooling efficiency is improved, and the cooling strength and uniformity of different process stages and complex-shaped workpieces are satisfied. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A three-dimensional schematic view of the low-pressure casting water mist cooling structure is provided for the utility model;

[0026] Figure 2 A structural schematic view of the fixed column of the low-pressure casting water mist cooling structure is provided for the utility model;

[0027] Figure 3 A structural schematic view of the adjusting box of the low-pressure casting water mist cooling structure is provided for the utility model;

[0028] Figure 4 For Figure 3 An enlarged view of A in the utility model.

[0029] Legend:

[0030] 1, workbench; 2, support column; 3, connecting block; 4, fixed box; 5, cylinder one; 6, connecting rod; 7, connecting plate; 8, rotating block; 9, conveying pipe; 10, fixed column; 11, guide groove; 12, adjusting box; 13, rotating rod; 14, adjusting knob; 15, bevel gear one; 16, transport pipe; 17, bevel gear two; 18, link column; 19, connecting ring; 20, atomizing net one; 21, sealing ring; 22, atomizing net two; 23, spray head; 24, connecting table; 25, cylinder two; 26, link plate; 27, guide column; 28, water pump; 29, water tank. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0032] Referring to Figure 1 and Figure 2 An embodiment provided by the present application: a low-pressure casting water mist cooling structure, comprising a workbench 1, which provides a stable and reliable support foundation for the entire device, and a plurality of support columns 2 are fixedly connected to the top of the workbench 1, which can bear the weight of the upper components and various forces generated during the working process, wherein the top of two support columns 2 is fixedly connected with a connecting block 3, which provides a supporting and fixing effect for a fixed box 4, and the bottom and middle part of the connecting block 3 is fixedly connected with the fixed box 4, which provides installation space for the internal cylinder one 5 and other angle adjusting assemblies, and the inner wall of the fixed box 4 is fixedly connected with the cylinder one 5 on the front side, which is the power source of the angle adjusting assembly, and the driving end of the cylinder one 5 is fixedly connected with a connecting rod 6, which transmits the force from the cylinder one 5 to the connecting plate 7 through the connecting rod 6;

[0033] The rear side of the connecting rod 6 is rotatably connected with a connecting plate 7, which further receives force from the connecting rod 6, so as to transmit the force to a rotating block 8, the left side of the connecting plate 7 is fixedly connected with the rotating block 8, the rotating block 8 provides mounting space for a conveying pipe 9 and provides steering for the conveying pipe 9, the inner wall of the rotating block 8 is fixedly connected with the conveying pipe 9, the conveying pipe 9 ensures that the water mist can flow smoothly, the inner wall bottom of the fixed box 4 is fixedly connected with two fixed columns 10, the fixed columns 10 and the guide grooves 11 cooperate to play a role in auxiliary support and guidance, and ensure the stability of the rotating block 8 in the movement process, the inner bottom of the rotating block 8 is provided with two guide grooves 11, so that the guide grooves 11 can smoothly slide and rotate along the fixed columns 10 under the driving of the cylinder 5, realizing accurate adjustment of the position and angle of the conveying pipe 9, the inner wall left side of the conveying pipe 9 is fixedly connected with an adjusting box 12, the adjusting box 12 provides mounting space for the internal adjusting assembly, and the inner wall of the adjusting box 12 is rotatably connected with an adjusting assembly for adjusting the size of the mist aperture.

[0034] Referring to Figures 2 to 4 , the adjusting assembly comprises a rotating rod 13, which can maintain structural stability during long-term use, the bottom of the rotating rod 13 is fixedly connected with an adjusting knob 14, which facilitates manual rotation operation of the operator, the outer part of the rotating rod 13 is fixedly connected with a bevel gear one 15, which ensures stable and efficient transmission of power and reduces wear and tear during meshing transmission, the inner wall left side of the adjusting box 12 is fixedly connected with a conveying pipe 16, which is one of the water mist transmission channels and is provided in the adjusting box 12, the inner wall left side of the adjusting box 12 is rotatably connected with a bevel gear two 17, which is meshed with the bevel gear one 15, the bevel gear two 17 rotates in the adjusting box 12 through a rotating ring, and the conveying pipe 16 is in the rotating ring, the left side of the bevel gear two 17 is fixedly connected with a connecting column 18, which connects the bevel gear two 17 and a connecting ring 19, the left side of the connecting column 18 is fixedly connected with the connecting ring 19, the connecting ring 19 can firmly fix an atomizing net one 20 and ensure its stability during rotation, the left side of the connecting ring 19 is fixedly connected with the atomizing net one 20, the size of the mesh is changed by adjusting the relative position of the connecting ring 19 and the conveying pipe 16, so as to realize adjustment of the size of the mist aperture.

[0035] Referring to Figures 1 to 3The outer part of the atomizing net one 20 is fixedly connected with a sealing ring 21, which effectively prevents water mist from leaking at the connection between the atomizing net one 20 and other components, ensuring the stability and high efficiency of the atomizing process. The inner wall left side of the conveying pipe 9, i.e. the left side of the atomizing net one 20, is fixedly connected with an atomizing net two 22, which further refines the water mist in cooperation with the atomizing net one 20. The outer top of the fixed column 10 is in contact with the inner wall of the guide groove 11. The rotating block 8 is pushed by the cylinder one 5 under the cooperation of the fixed column 10, the connecting plate 7 and the connecting rod 6. When the piston rod of the cylinder one 5 extends or retracts, the connecting plate 7 is moved through the connecting rod 6, and then the rotating block 8 slides along the fixed column 10 in the guide groove 11. The rotating block 8 can also rotate around the fixed column 10 by a certain angle, so as to flexibly adjust the position and angle of the conveying pipe 9 and the nozzle 23, so that it can better align different parts of the low-pressure casting mold or casting for water mist cooling.

[0036] The left side of the conveying pipe 9 is fixedly connected with a nozzle 23, which is the place where the mist is sprayed. The top of the two connecting blocks 3 is fixedly connected with a connecting table 24, which provides a stable installation basis for the cylinder two 25. The top of the connecting table 24 is fixedly connected with the cylinder two 25. The cylinder two 25 drives the link plate 26 to move. The driving end of the cylinder two 25 is fixedly connected with the link plate 26. The upper mold is moved through the link plate 26. The top of the workbench 1 is fixedly connected with guide columns 27 on both sides. The main function of the guide columns 27 is to provide accurate guidance for the up and down sliding of the link plate 26, ensuring that the link plate 26 can move stably and linearly along the guide columns 27 when the cylinder two 25 drives the link plate 26 to move, without deviation or shaking. The outer part of the link plate 26 is slidingly connected to the outer part of the guide columns 27. The main function of the guide columns 27 is to provide accurate guidance for the up and down sliding of the link plate 26, ensuring that the link plate 26 can move stably and linearly along the guide columns 27 when the cylinder two 25 drives the link plate 26 to move, without deviation or shaking.

[0037] The outer bottom of the conveying pipe 9 is fixedly connected with a water pump 28, which is the power source of the entire water mist cooling device, responsible for pressurizing and delivering water in the water tank 29 to the conveying pipe 9. The outer bottom of the conveying pipe 9, i.e. the bottom of the water pump 28, and the bottom right side of the workbench 1 are fixedly connected with a water tank 29. The water tank 29 is used to store water. The outer part of the bevel gear two 17 is meshingly connected with the outer part of the bevel gear one 15. The top of the rotating rod 13 is rotatably connected to the inner wall of the adjusting box 12. The rotating rod 13 is rotated by the adjusting knob 14. The rotating rod 13 drives the bevel gear one 15 to rotate. Through the meshing transmission of the bevel gear one 15 and the bevel gear two 17, the rotating power can be transmitted to the link column 18, and then the connecting ring 19 and the atomizing net one 20 are driven to rotate, realizing the adjustment of the relative position of the atomizing net one 20 and the conveying pipe 16, so as to adjust the size of the mist aperture.

[0038] Working principle: in use, when the mold needs to be cooled, the water in the water tank 29 is pumped out and pressurized by the water pump 28, when the angle of the nozzle 23 needs to be adjusted, the connecting rod 6 is moved by the cylinder 5, the connecting plate 7 is moved by the connecting rod 6, the rotating block 8 is slid along the fixed column 10 and rotates around it under the cooperation of the fixed column 10 and the guide groove 11, so as to adjust the position and angle of the nozzle 23, and achieve the angle adjustment of the nozzle 23.

[0039] At the same time, when the size of the mist needs to be adjusted, the adjusting knob 14 is rotated to drive the rotating rod 13 to rotate, and then the bevel gear 15 drives the bevel gear 17 meshing with it to rotate, the bevel gear 17 drives the connecting column 18 to rotate, the connecting column 18 drives the connecting ring 19 and the atomizing net 20 to rotate, the atomizing net 20 rotates to change the size of the aperture of the atomizing net 22, so as to adjust the size of the atomizing aperture, the mist is sprayed out through the nozzle 23 to cool the low-pressure casting mold or casting, in addition, the cylinder 25 can drive the connecting plate 26 to move up and down linearly under the guidance of the guide column 27, so as to operate the upper mold, through the cooperation of various components, the purpose of precise cooling of the mold or casting in the low-pressure casting process and related operation assistance is achieved, and the high efficiency of casting production and the stability of product quality are ensured.

[0040] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A low pressure casting water mist cooling structure comprising a worktable (1), characterized in that: The top of the workbench (1) is fixedly connected with a plurality of support columns (2), wherein the top of two support columns (2) is fixedly connected with a connecting block (3), the bottom of the connecting block (3) is fixedly connected with a fixed box (4), the inner wall of the fixed box (4) is fixedly connected with a cylinder (5), the driving end of the cylinder (5) is fixedly connected with a connecting rod (6), the rear side of the connecting rod (6) is rotatably connected with a connecting plate (7), the left side of the connecting plate (7) is fixedly connected with a rotating block (8), the inner wall of the rotating block (8) is fixedly connected with a conveying pipe (9), the inner wall of the bottom of the fixed box (4) is fixedly connected with two fixed columns (10), the inside bottom of the rotating block (8) is provided with two guide grooves (11), the inner wall of the left side of the conveying pipe (9) is fixedly connected with an adjusting box (12), the inner wall of the adjusting box (12) is rotatably connected with an adjusting assembly for adjusting the size of the fog aperture.

2. The low pressure casting water mist cooling structure according to claim 1, characterized in that: The adjusting assembly comprises a rotating rod (13), the bottom of the rotating rod (13) is fixedly connected with an adjusting knob (14), the outside of the rotating rod (13) is fixedly connected with a bevel gear (15), the inner wall of the left side of the adjusting box (12) is fixedly connected with a conveying pipe (16), the inner wall of the left side of the adjusting box (12) is rotatably connected with a bevel gear (17), the left side of the bevel gear (17) is fixedly connected with a connecting column (18), the left side of the connecting column (18) is fixedly connected with a connecting ring (19), the left side of the connecting ring (19) is fixedly connected with a first atomizing net (20).

3. A low pressure casting water mist cooling structure according to claim 2, characterized in that: The outside of the first atomizing net (20) is fixedly connected with a sealing ring (21), the inner wall of the left side of the conveying pipe (9), that is, the left side of the first atomizing net (20) is fixedly connected with a second atomizing net (22).

4. The low pressure casting water mist cooling structure according to claim 1, characterized in that: The outside top of the fixed column (10) is in contact with the inner wall of the guide groove (11), the rotating block (8) is pushed by the cylinder (5) under the cooperation of the fixed column (10) and the connecting plate (7) and the connecting rod (6).

5. The low pressure casting water mist cooling structure according to claim 1, characterized in that: The left side of the conveying pipe (9) is fixedly connected with a spray head (23), the top of two connecting blocks (3) is fixedly connected with a connecting table (24).

6. A low pressure casting water mist cooling structure according to claim 5, characterized in that: The top of the connecting table (24) is fixedly connected with a cylinder (25), the driving end of the cylinder (25) is fixedly connected with a connecting plate (26).

7. A low pressure casting water mist cooling structure according to claim 6, characterized in that: The top of the workbench (1) is fixedly connected with a guide column (27) on the left and right sides, the outside of the connecting plate (26) is slidably connected to the outside of the guide column (27), the outside bottom of the conveying pipe (9) is fixedly connected with a water pump (28), the bottom of the conveying pipe (9), that is, the bottom of the water pump (28) is fixedly connected with a water tank (29) on the right side of the bottom of the workbench (1).

8. The low pressure casting water mist cooling structure according to claim 2, characterized in that: The outside of the bevel gear (17) is meshingly connected with the outside of the bevel gear (15), the top of the rotating rod (13) is rotatably connected to the inner wall of the adjusting box (12).