Metal purification vacuum furnace with cooling structure

By combining water cooling, air cooling, and gas cooling, the problem of poor cooling effect in metal purification vacuum furnaces has been solved, achieving more efficient cooling and metal quality protection.

CN223678223UActive Publication Date: 2025-12-16JINZHOU YUANTENG ELECTRIC FURNACE TECH CO LTD
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Patent Information

Application Number
CN202520100699.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-16
Publication Date
2025-12-16
Estimated Expiration
2035-01-16

AI Technical Summary

Technical Problem

The existing cooling methods for metal purification vacuum furnaces have limited effectiveness and cannot meet the demand for more efficient cooling.

Method used

The system employs a cooling structure that combines water cooling and air cooling. It exchanges heat with the vacuum furnace body through condenser tubes and uses high-purity nitrogen or high-purity argon for cooling. Combined with a hydraulically driven lifting frame and connecting frame, the gas is guided to achieve uniform cooling.

Benefits of technology

It accelerates the cooling rate of metal, prevents metal oxidation or corrosion, reduces thermal stress and deformation risks, and improves the quality of metal purification.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223678223U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of advanced manufacturing and automation, and discloses a metal purification vacuum furnace with a cooling structure, which comprises a vacuum furnace main body, a supporting seat is fixedly arranged on the bottom surface of the vacuum furnace main body, a discharging seat is hinged to the lower end of the supporting seat, an electric heating device is arranged in the discharging seat, and a cooling device is arranged in the discharging seat. Electric hydraulic rods are hinged to the front side and the rear side of the discharging base correspondingly, and a cooling mechanism is arranged behind the vacuum furnace body. Water in the water tank is conveyed to the condenser through the water pump to be cooled, then heat exchange is conducted through the condensation pipe and the vacuum furnace body, the temperature in the vacuum furnace body is reduced, the heat exchange area is increased through the condensation pipe and the vacuum furnace body, the heat exchange efficiency is improved, and therefore the cooling speed of metal is increased; and the fan is connected to discharge high-purity nitrogen or high-purity argon in the air inlet barrel into the vacuum furnace main body, and the inert gases can prevent metal from being oxidized or corroded in the cooling process, so that the quality of the purified metal is protected.
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Description

TECHNICAL FIELD

[0001] The utility model relates to advanced manufacturing and automation technical field, concretely is a kind of metal purification vacuum furnace with cooling structure. BACKGROUND

[0002] The working principle of metal purification vacuum furnace is to heat the material in a vacuum environment, and to improve the quality and purity of the product through evaporation and reaction. In the vacuum furnace, the impurity content and porosity can be reduced by reducing the collision and oxidation reaction of air molecules, thereby improving the quality of the metal. A metal purification vacuum furnace typically consists of a high-vacuum chamber, a furnace stand, a vacuum system, a melting device, a condensation collection device, an induction power supply device, and a control system.

[0003] After the metal purification process is completed, it is important to cool the metal properly to prevent it from deforming or being damaged due to high temperature. However, the current cooling methods, whether air cooling or water cooling, have limited cooling effect and cannot meet the higher cooling demand.

[0004] Therefore, a metal purification vacuum furnace with cooling structure is proposed. SUMMARY

[0005] The utility model aims to provide a kind of metal purification vacuum furnace with cooling structure to solve the problems raised in the above background.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a metal purification vacuum furnace with cooling structure, comprising a vacuum furnace main body, a support seat is fixedly arranged on the bottom surface of the vacuum furnace main body, a discharge seat is hingedly arranged at the lower end of the support seat, an electric heating device is installed inside the discharge seat, electric hydraulic rods are hingedly arranged on the front and rear sides of the discharge seat, a cooling mechanism is arranged at the rear of the vacuum furnace main body, and an adjusting mechanism is arranged above the vacuum furnace main body.

[0007] The cooling mechanism includes a water cooling part and an air cooling part.

[0008] The adjusting mechanism includes a feeding part and an adjusting part.

[0009] Preferably, the water cooling part includes a heat preservation sleeve, the heat preservation sleeve is sleeved on the outer side of the vacuum furnace main body, a condenser tube is sleeved on the inner wall of the heat preservation sleeve, the condenser tube is fixedly sleeved on the outer side of the vacuum furnace main body, the condenser tube extends to the right side of the heat preservation sleeve through the heat preservation sleeve at the right end, and the condenser tube exchanges heat with the vacuum furnace main body to reduce the temperature inside the vacuum furnace main body.

[0010] Preferably, the support seat is provided with a water tank, a water pump is installed at the upper end of the water tank, a water inlet pipe is installed at the back of the water tank, a condenser is arranged behind the water pump, the water inlet pipe extends through the condenser to the back of the condenser, and the upper end of the water inlet pipe penetrates the heat preservation sleeve and is fixedly connected with the condenser.

[0011] Preferably, a water outlet pipe is arranged in front of the water tank, the upper end of the water outlet pipe penetrates the heat preservation sleeve and is fixedly connected with the condenser, and the water inlet pipe, the condenser and the water outlet pipe are communicated with each other.

[0012] Preferably, the air cooling part comprises a connecting fan, the connecting fan is fixedly installed on the top surface of the vacuum furnace body, the lower end of the connecting fan extends to the inside of the vacuum furnace body through the vacuum furnace body, a guide pipe is arranged directly below the connecting fan, the guide pipe is fixedly connected with the inner wall of the vacuum furnace body, an air inlet barrel is installed at the upper end of the connecting fan, and the connecting fan discharges high-purity nitrogen or high-purity argon in the air inlet barrel into the inside of the vacuum furnace body to prevent oxidation or corrosion of the metal during the cooling process.

[0013] Preferably, the feeding part comprises a feeding hopper, the feeding hopper is fixedly arranged on the top surface of the vacuum furnace body, a feeding pipe is arranged below the feeding hopper, the upper end of the feeding pipe penetrates the vacuum furnace body and is fixedly connected with the vacuum furnace body, and the feeding hopper and the feeding pipe are communicated with each other.

[0014] Preferably, the adjusting part comprises a connecting seat, the connecting seat is located below the guide pipe, the front and rear ends of the connecting seat are hinged with the inner wall of the vacuum furnace body, a gas conveying hose is installed between the connecting seat and the guide pipe, and an air outlet pipe is installed on the bottom surface of the connecting seat.

[0015] Preferably, connecting frames are fixedly arranged at the front and rear ends of the connecting seat, a lifting frame is arranged in front of the connecting frame, the front end of the connecting frame is located in the inside of the lifting frame and is slidingly connected with the inner wall of the lifting frame, a protection seat is fixedly arranged on the inner wall of the vacuum furnace body, a hydraulic cylinder is fixedly arranged on the inner wall of the protection seat, the output shaft of the hydraulic cylinder penetrates the protection seat and is fixedly connected with the lifting frame, the hydraulic cylinder drives the lifting frame to lift, and the lifting frame drives the front end of the connecting frame to lift synchronously when lifting.

[0016] Compared with the prior art, the metal purification vacuum furnace with the cooling structure has the advantages that

[0017] 1) A water pump transports water from the tank to the condenser for cooling. The water then exchanges heat with the main body of the vacuum furnace through the condenser tubes, reducing the internal temperature of the vacuum furnace. The increased heat exchange area between the condenser tubes and the main body of the vacuum furnace improves the heat exchange efficiency, thereby accelerating the cooling speed of the metal. A fan is connected to discharge high-purity nitrogen or high-purity argon gas from the air inlet into the main body of the vacuum furnace. These inert gases prevent oxidation or corrosion of the metal during the cooling process, protecting the quality of the purified metal.

[0018] 2) The lifting frame is raised and lowered by a hydraulic cylinder. When the lifting frame is raised and lowered, the front end of the connecting frame is raised and lowered synchronously. When the connecting frame is raised and lowered, the connecting seat is deflected, which in turn changes the angle of the air outlet pipe at the lower end of the connecting seat. The gas can contact the metal parts more directly. The gas guidance helps to achieve a more uniform cooling effect and reduce the thermal stress and deformation risk of the metal parts. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural schematic diagram of the present utility model;

[0020] Figure 2 This is a perspective view of the discharge seat and the electro-hydraulic rod of this utility model;

[0021] Figure 3 This is a three-dimensional view of the insulation sleeve and condenser tube of this utility model;

[0022] Figure 4 This is a partial perspective view of the cooling mechanism of this utility model;

[0023] Figure 5 This is a three-dimensional view of the adjustment mechanism of this utility model.

[0024] In the diagram: 1 Vacuum furnace body, 2 Support base, 3 Discharge base, 4 Electric hydraulic rod, 5 Cooling mechanism, 51 Insulation jacket, 52 Condenser pipe, 53 Water tank, 54 Water pump, 55 Water inlet pipe, 56 Condenser, 57 Water outlet pipe, 58 Connecting fan, 59 Guide pipe, 510 Air inlet barrel, 6 Adjusting mechanism, 61 Feed hopper, 62 Feed pipe, 63 Connecting base, 64 Gas delivery hose, 65 Connecting frame, 66 Lifting frame, 67 Protective base, 68 Hydraulic cylinder. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Example 1:

[0027] Referring to Figures 1-5 The utility model provides a technical scheme: a metal purification vacuum furnace with cooling structure, including vacuum furnace main body 1, vacuum furnace main body 1 bottom fixedly arranged with support seat 2, support seat 2 lower end hingedly arranged with discharge seat 3, discharge seat 3 inside is installed with electric heating device, discharge seat 3 front and rear sides are hingedly arranged with electric hydraulic ram 4, vacuum furnace main body 1 rear is provided with cooling mechanism 5, and vacuum furnace main body 1 top is provided with adjusting mechanism 6;

[0028] Cooling mechanism 5 includes water cooling part and air cooling part;

[0029] Adjusting mechanism 6 includes feeding part and adjusting part.

[0030] Water cooling part includes heat preservation sleeve 51, heat preservation sleeve 51 is sleeved on the outer side of vacuum furnace main body 1, condenser pipe 52 is fixedly sleeved on the outer side of vacuum furnace main body 1, and the right end of condenser pipe 52 extends to the right side of heat preservation sleeve 51 through heat preservation sleeve 51.

[0031] Support seat 2 right side is provided with water tank 53, and water pump 54 is installed on the upper end of water tank 53, water inlet pipe 55 is installed on the back of water tank 53, condenser 56 is arranged behind water pump 54, water inlet pipe 55 extends to the back of condenser 56 through condenser 56, and the upper end of water inlet pipe 55 penetrates heat preservation sleeve 51 and is fixedly connected with the condenser pipe 52 close to it.

[0032] Water outlet pipe 57 is arranged in front of water tank 53, the upper end of water outlet pipe 57 penetrates heat preservation sleeve 51 and is fixedly connected with the condenser pipe 52 close to it, and water inlet pipe 55, condenser pipe 52 and water outlet pipe 57 are communicated with each other.

[0033] Air cooling part includes connecting fan 58, and connecting fan 58 is fixedly installed on the top surface of vacuum furnace main body 1, the lower end of connecting fan 58 extends to the inside of vacuum furnace main body 1 through vacuum furnace main body 1, guide pipe 59 is arranged below connecting fan 58, guide pipe 59 is fixedly connected with the inner wall of vacuum furnace main body 1, and air inlet barrel 510 is installed on the upper end of connecting fan 58.

[0034] Further, the water pump 54 is started, the water in the water tank 53 is transported to the water inlet pipe 55, the moisture in the water inlet pipe 55 is cooled when passing through the condenser 56, the cooled water is transported to the condenser pipe 52, the water in the condenser pipe 52 exchanges heat with the vacuum furnace main body 1, so that the temperature inside the vacuum furnace main body 1 is lowered, then the water in the condenser pipe 52 flows back to the water tank 53 from the water outlet pipe 57, the connecting fan 58 is started, the high-purity nitrogen or high-purity argon in the air inlet barrel 510 is discharged into the inside of the vacuum furnace main body 1, and the metal parts in the inside of the vacuum furnace main body 1 are cooled;

[0035] Further, the embodiment transports the water in the water tank 53 to the condenser 56 for cooling, and then exchanges heat with the vacuum furnace body 1 through the condenser pipe 52, thereby reducing the temperature inside the vacuum furnace body 1. The condenser pipe 52 and the vacuum furnace body 1 increase the heat exchange area and improve the heat exchange efficiency, thereby accelerating the cooling speed of the metal. The fan 58 is connected to discharge the high-purity nitrogen or high-purity argon in the air inlet barrel 510 into the vacuum furnace body 1. These inert gases can prevent the metal from being oxidized or corroded during the cooling process, thereby protecting the quality of the purified metal.

[0036] Embodiment two:

[0037] Please refer to Figures 1-5 On the basis of embodiment one, it is further obtained that the feeding part comprises a feeding hopper 61 fixedly arranged on the top surface of the vacuum furnace body 1. A feeding pipe 62 is arranged below the feeding hopper 61. The upper end of the feeding pipe 62 penetrates through the vacuum furnace body 1 and is fixedly connected with the vacuum furnace body 1. The feeding hopper 61 and the feeding pipe 62 are in communication with each other.

[0038] The adjusting part comprises a connecting seat 63 located below the guide pipe 59. The front and rear ends of the connecting seat 63 are hingedly connected with the inner wall of the vacuum furnace body 1. A gas conveying hose 64 is arranged between the connecting seat 63 and the guide pipe 59. An air outlet pipe is arranged on the bottom surface of the connecting seat 63.

[0039] The front and rear ends of the connecting seat 63 are fixedly provided with a connecting frame 65. The front of the connecting frame 65 is provided with a lifting frame 66. The front end of the connecting frame 65 is located inside the lifting frame 66 and is slidingly connected with the inner wall of the lifting frame 66. A protection seat 67 is fixedly arranged on the inner wall of the vacuum furnace body 1. A hydraulic cylinder 68 is fixedly arranged on the inner wall of the protection seat 67. The output shaft of the hydraulic cylinder 68 penetrates through the protection seat 67 and is fixedly connected with the lifting frame 66.

[0040] Further, the embodiment starts the hydraulic cylinder 68. The hydraulic cylinder 68 drives the lifting frame 66 to lift. The lifting of the lifting frame 66 drives the front end of the connecting frame 65 to lift synchronously. The lifting of the connecting frame 65 drives the connecting seat 63 to deflect, thereby changing the angle of the air outlet pipe at the lower end of the connecting seat 63, so that the high-purity nitrogen or high-purity argon is directly guided to the metal parts inside the vacuum furnace body 1.

[0041] Further, the embodiment drives the lifting frame 66 to lift through the hydraulic cylinder 68. The lifting of the lifting frame 66 drives the front end of the connecting frame 65 to lift synchronously. The lifting of the connecting frame 65 drives the connecting seat 63 to deflect, thereby changing the angle of the air outlet pipe at the lower end of the connecting seat 63. The gas can more directly contact the metal parts. The gas guiding helps to achieve a more uniform cooling effect and reduce the risk of thermal stress and deformation of the metal parts.

[0042] When in use, when cooling the purified metal, the water pump 54 is started, the water pump 54 transports the water in the water tank 53 to the water inlet pipe 55, when the water in the water inlet pipe 55 passes through the condenser 56, the water is cooled, the cooled water is transported to the condensing pipe 52, the water in the condensing pipe 52 exchanges heat with the vacuum furnace main body 1, so that the temperature inside the vacuum furnace main body 1 is lowered, then the water in the condensing pipe 52 flows back to the water tank 53 from the water outlet pipe 57, the connecting fan 58 is started, the connecting fan 58 discharges the high-purity nitrogen or high-purity argon in the air inlet barrel 510 into the vacuum furnace main body 1, and the metal parts in the vacuum furnace main body 1 are cooled, the hydraulic cylinder 68 is started, the hydraulic cylinder 68 drives the lifting frame 66 to lift, the lifting frame 66 lifts, and the front end of the connecting frame 65 is lifted synchronously, the connecting frame 65 lifts, and the connecting seat 63 is deflected, and then the angle of the gas outlet pipe at the lower end of the connecting seat 63 is changed, so that the high-purity nitrogen or high-purity argon is directly guided to the metal parts inside the vacuum furnace main body 1.

[0043] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A metal purification vacuum furnace with a cooling structure, comprising a vacuum furnace body (1), characterized in that: The bottom surface of the vacuum furnace body (1) is fixedly provided with a support seat (2), the lower end of the support seat (2) is hingedly provided with a discharge seat (3), the discharge seat (3) is internally provided with an electric heating device, the front and rear sides of the discharge seat (3) are hingedly provided with electric hydraulic rods (4), the rear of the vacuum furnace body (1) is provided with a cooling mechanism (5), and the upper side of the vacuum furnace body (1) is provided with an adjusting mechanism (6). The cooling mechanism (5) comprises a water cooling part and an air cooling part. The adjusting mechanism (6) comprises a feeding part and an adjusting part.

2. The metal purification vacuum furnace with cooling structure according to claim 1, characterized in that: The water cooling part comprises a heat preservation sleeve (51), the heat preservation sleeve (51) is sleeved on the outer side of the vacuum furnace body (1), a condenser pipe (52) is sleeved on the inner wall of the heat preservation sleeve (51), the condenser pipe (52) is fixedly sleeved on the outer side of the vacuum furnace body (1), and the right end of the condenser pipe (52) extends to the right side of the heat preservation sleeve (51) through the heat preservation sleeve (51).

3. A metal purification vacuum furnace with cooling structure according to claim 2, characterized in that: A water tank (53) is arranged on the right side of the support seat (2), a water pump (54) is arranged on the upper end of the water tank (53), a water inlet pipe (55) is arranged on the back of the water tank (53), a condenser (56) is arranged behind the water pump (54), the water inlet pipe (55) extends to the back of the condenser (56) through the condenser (56), and the upper end of the water inlet pipe (55) penetrates through the heat preservation sleeve (51) and is fixedly connected with the condenser pipe (52) in proximity.

4. A metal purification vacuum furnace with cooling structure according to claim 3, characterized in that: A water outlet pipe (57) is arranged in front of the water tank (53), the upper end of the water outlet pipe (57) penetrates through the heat preservation sleeve (51) and is fixedly connected with the condenser pipe (52) in proximity, and the water inlet pipe (55), the condenser pipe (52) and the water outlet pipe (57) are communicated with each other.

5. A metal purification vacuum furnace with cooling structure according to claim 4, characterized in that: The air cooling part comprises a connecting fan (58), the connecting fan (58) is fixedly arranged on the top surface of the vacuum furnace body (1), the lower end of the connecting fan (58) extends to the inside of the vacuum furnace body (1) through the vacuum furnace body (1), a guide pipe (59) is arranged directly below the connecting fan (58), the guide pipe (59) is fixedly connected with the inner wall of the vacuum furnace body (1), and an air inlet barrel (510) is arranged on the upper end of the connecting fan (58).

6. The metal purification vacuum furnace with cooling structure according to claim 1, characterized in that: The feeding part comprises a feeding hopper (61), the feeding hopper (61) is fixedly arranged on the top surface of the vacuum furnace body (1), a feeding pipe (62) is arranged below the feeding hopper (61), the upper end of the feeding pipe (62) penetrates through the vacuum furnace body (1) and is fixedly connected with the vacuum furnace body (1), and the feeding hopper (61) and the feeding pipe (62) are communicated with each other.

7. A metal purification vacuum furnace with cooling structure according to claim 6, characterized in that: The adjusting part comprises a connecting seat (63), the connecting seat (63) is located below the guide pipe (59), the front and rear ends of the connecting seat (63) are hingedly connected with the inner wall of the vacuum furnace body (1), a gas conveying hose (64) is arranged between the connecting seat (63) and the guide pipe (59), and an air outlet pipe is arranged on the bottom surface of the connecting seat (63).

8. A metal purification vacuum furnace with cooling structure according to claim 7, characterized in that: The connecting seat (63) is fixedly provided with a connecting frame (65) at both front and rear ends, the front of the connecting frame (65) is provided with a lifting frame (66), the front end of the connecting frame (65) is located inside the lifting frame (66) and is in sliding connection with the inner wall of the lifting frame (66), the inner wall of the vacuum furnace main body (1) is fixedly provided with a protection seat (67), the inner wall of the protection seat (67) is fixedly provided with a hydraulic cylinder (68), and the output shaft of the hydraulic cylinder (68) penetrates the protection seat (67) and is fixedly connected with the lifting frame (66).