Vacuum annealing furnace convenient and rapid to cool

Abstract

The utility model discloses a vacuum annealing furnace convenient and rapid to cool, which relates to the technical field of vacuum annealing furnaces, and adopts the technical scheme that the vacuum annealing furnace comprises an outer hearth, vent holes are formed in two sides of the outer hearth, a cooling driving component is arranged at the top of the outer hearth, an inner hearth is fixedly arranged in the outer hearth, and a cooling mechanism is arranged outside the inner hearth; the vacuum annealing furnace convenient and rapid to cool has the beneficial effects that cold air is evenly blown to the outer portion of the heat dissipation fin set through rotation of the fan blades, the heat dissipation fin set can be comprehensively subjected to wind, the heat exchange efficiency is improved, air circulation is accelerated through the fan blades, the heat exchange efficiency is improved, and the heat exchange efficiency is improved. And cold air is blown to the heat dissipation fin set to cooperate with cooling water circulation in the cooling pipe, so that the heat dissipation efficiency of the heat dissipation fin set is improved, then the heat dissipation fin set can replace heat of the inner hearth more quickly, the inner hearth is cooled more quickly, and the cooling speed is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum annealing furnaces, in particular to a vacuum annealing furnace which can be cooled quickly and conveniently. Background Art

[0002] Vacuum annealing furnace is mainly suitable for stainless steel deep drawing parts such as plumbing equipment, water expansion parts, pins, medical equipment, stainless steel nails, stainless steel screws, riveted parts, stainless steel bearings, watch cases, watch straps, knives, micro shafts, self-drilling and self-drilling, tableware and other stainless steel products under the control of protective atmosphere for continuous bright annealing, solution treatment, demagnetization and stainless steel quenching treatment.

[0003] For example, the publication number: CN211255990U discloses a high vacuum annealing furnace, including a condensing pump and a furnace, a mechanical pump is provided at the rear end of the condensing pump, a vacuum valve 1 is provided at the upper end of the mechanical pump, a vacuum valve 2 is provided above the vacuum valve 1, a high vacuum valve is provided at the upper end of the condensing pump, a high vacuum gauge is provided at the front end of the high vacuum valve, a connecting sleeve is provided between the condensing pump and the furnace, an air intake valve is provided at the front end of the connecting sleeve, a low vacuum gauge is provided on the left side of the air intake valve, a connecting bracket is provided above the connecting sleeve, an electric pile connector is provided at the front end of the furnace, and a furnace cover is provided at the upper end of the furnace. The high vacuum annealing furnace can reach the required vacuum degree more quickly, save product processing time, and avoid product oxidation. The annealing furnace has a good thermal insulation effect, which can make the annealing furnace cool down quickly.

[0004] In the above patent, the cooling water takes away the heat when it moves in the cooling cylinder, so that the furnace of the annealing furnace can be cooled quickly. However, the cooling speed is slow if it only relies on the heat exchange cycle of cooling water. Therefore, a vacuum annealing furnace that is convenient for rapid cooling is needed, which combines air cooling with water cooling to increase the cooling speed of the furnace. Utility Model Content

[0005] To this end, the utility model provides a vacuum annealing furnace with convenient and rapid cooling, which solves the problem of slow cooling speed when only relying on the heat exchange circulation of cooling water through a cooling mechanism.

[0006] In order to achieve the above-mentioned object, the utility model provides the following technical solutions: a vacuum annealing furnace for convenient and rapid cooling, comprising an outer furnace, ventilation holes are opened on both sides of the outer furnace, a cooling drive assembly is arranged on the top of the outer furnace, an inner furnace is fixedly arranged inside the outer furnace, and a cooling mechanism is arranged outside the inner furnace;

[0007] The cooling mechanism includes an air cooling component and a water cooling component. The air cooling component includes a movable gear ring, which is sleeved on the outside of the inner furnace. A movable ring is provided on one side of the movable gear ring. A plurality of movable air cooling units are provided between the movable gear ring and the movable ring. The movable air cooling unit includes a rotating shaft, a slave gear is fixedly provided on the outside of the rotating shaft, a fan blade is fixedly provided at one end of the rotating shaft, and a fixed gear ring is provided between the plurality of slave gears. The water cooling component includes a heat dissipating fin group, which is fixedly sleeved on the outside of the inner furnace. A water cooling circulation unit is inserted into the heat dissipating fin group. The water cooling circulation unit includes a water inlet pipe and a water return pipe. A plurality of cooling pipes are fixedly connected between the water inlet pipe and the water return pipe.

[0008] Preferably, the cooling drive assembly includes a protective cover, which is fixedly arranged on the top of the outer furnace, a motor is fixedly arranged on one side of the protective cover, a transmission shaft is fixedly connected to the output end of the motor, and a main gear is fixedly arranged on the outer sleeve of the transmission shaft.

[0009] Preferably, a furnace door is provided at one end of the inner furnace.

[0010] Preferably, the plurality of cooling tubes are all fixedly connected to the heat dissipation fin group, and the tops of the plurality of cooling tubes extend out of the outer furnace and are fixedly connected to the top of the outer furnace.

[0011] Preferably, the transmission shaft extends into the interior of the protective cover and is connected to both side walls of the inner furnace through bearings.

[0012] Preferably, the bottom of the main gear extends into the interior of the outer furnace and meshes with the movable gear ring.

[0013] Preferably, the movable gear ring and the movable ring are both sleeved on the outside of the inner furnace and connected to the inner furnace via bearings.

[0014] Preferably, the rotating shaft passes through the movable gear ring and the movable ring and is connected to the movable gear ring and the movable ring via bearings.

[0015] Preferably, the slave gear is meshed with a fixed gear ring, and the fixed gear ring is fixedly sleeved on the outside of the inner furnace.

[0016] The utility model embodiment has the following advantages:

[0017] 1. The gear moves along the fixed gear ring while rotating, so that the shaft drives the fan blades to rotate, so that the cold air outside the outer furnace enters the outer furnace through the ventilation holes and circulates inside the outer furnace, so that the cold air blows onto the heat dissipation fin group. At the same time, the fan blades in circular motion can evenly blow the cold air to the outside of the heat dissipation fin group, so that the heat dissipation fin group can be fully exposed to the wind, thereby improving the heat exchange efficiency;

[0018] 2. The fan blades are used to accelerate air circulation, so that cold air is blown onto the heat dissipation fin group, and the cooling water circulation inside the cooling tube is coordinated to improve the heat dissipation efficiency of the heat dissipation fin group, so that the heat dissipation fin group can replace the heat in the inner furnace faster, thereby cooling the inner furnace faster and increasing the cooling speed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0020] The structures, proportions, sizes, etc. illustrated in this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with the technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantial technical significance. Any structural modification, change in proportion or adjustment of size shall still fall within the scope of the technical contents disclosed in the present invention without affecting the effects and purposes that can be achieved by the present invention.

[0021] Figure 1 A partial cutaway perspective view of the main view provided by the utility model;

[0022] Figure 2 A three-dimensional diagram of the cooling mechanism provided by the utility model;

[0023] Figure 3 An exploded perspective view of the air-cooling assembly provided by the utility model;

[0024] Figure 4 An exploded perspective view of the water cooling assembly provided by the utility model;

[0025] Figure 5 A partial cutaway stereoscopic view of the outer furnace provided by the utility model;

[0026] Figure 6 This is a main stereoscopic diagram provided by the utility model.

[0027] In the figure: 1 outer furnace, 2 ventilation holes, 3 protective cover, 4 inner furnace, 5 cooling fin group, 6 water inlet pipe, 7 cooling pipe, 8 return pipe, 9 furnace door, 10 motor, 11 transmission shaft, 12 main gear, 13 movable gear ring, 14 rotating shaft, 15 movable ring, 16 slave gear, 17 fan blade, 18 fixed gear ring. DETAILED DESCRIPTION

[0028] The following is a specific embodiment of the present invention. People familiar with the technology can easily understand the other advantages and functions of the present invention from the contents disclosed in this specification. Obviously, the described embodiment is a part of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0029] See attached Figure 1 -Attached Figure 6 The utility model provides a vacuum annealing furnace for convenient and rapid cooling, comprising an outer furnace 1, ventilation holes 2 are provided on both sides of the outer furnace 1, a cooling drive assembly is provided on the top of the outer furnace 1, an inner furnace 4 is fixedly provided inside the outer furnace 1, and a cooling mechanism is provided outside the inner furnace 4;

[0030] The cooling mechanism includes an air cooling component and a water cooling component. The air cooling component includes a movable gear ring 13, which is sleeved on the outside of the inner furnace 4. A movable ring 15 is provided on one side of the movable gear ring 13. A plurality of movable air cooling units are provided between the movable gear ring 13 and the movable ring 15. The movable air cooling unit includes a rotating shaft 14, a slave gear 16 is fixedly provided on the outside of the rotating shaft 14, a fan blade 17 is fixedly provided at one end of the rotating shaft 14, and a fixed gear ring 18 is provided between the plurality of slave gears 16. The water cooling component includes a heat dissipation fin group 5, which is fixedly sleeved on the outside of the inner furnace 4. A water cooling circulation unit is plugged into the heat dissipation fin group 5. The water cooling circulation unit includes a water inlet pipe 6 and a water return pipe 8. A plurality of cooling pipes 7 are fixedly connected between the water inlet pipe 6 and the water return pipe 8.

[0031] In this embodiment, in order to achieve the purpose of improving the cooling efficiency, the movable gear ring 13 is driven by the cooling drive component, and the movable gear ring 13 rotates through the rotating shaft 14 to make the slave gear 16 move along the fixed gear ring 18, and at the same time, the slave gear 16 moves and rotates along the fixed gear ring 18, so that the rotating shaft 14 drives the fan blades 17 to rotate, so that the cold air outside the outer furnace 1 enters the outer furnace 1 through the ventilation hole 2 and circulates, so that the cold air is blown to the heat dissipation fin group 5, and at the same time, the fan blades 17 in circular motion can blow the cold air evenly to the outside of the heat dissipation fin group 5, so that the heat dissipation fin group 5 can be fully exposed to the wind, thereby improving the heat replacement efficiency, and accelerating the air circulation through the fan blades 17, so that the cold air is blown to the heat dissipation fin group 5, and cooperates with the cooling water circulation inside the cooling pipe 7, thereby improving the heat dissipation efficiency of the heat dissipation fin group 5, and then the heat dissipation fin group 5 can replace the heat of the inner furnace 4 faster, thereby cooling the inner furnace 4 faster and improving the cooling speed;

[0032] Among them, in order to achieve the purpose of providing power for the air-cooled component, the device adopts the following technical solutions: the cooling drive component includes a protective cover 3, the protective cover 3 is fixedly arranged on the top of the outer furnace 1, a motor 10 is fixedly arranged on one side of the protective cover 3, a transmission shaft 11 is fixedly connected to the output end of the motor 10, a main gear 12 is fixedly sleeved on the outside of the transmission shaft 11, the transmission shaft 11 extends into the interior of the protective cover 3 and is connected to both side walls of the inner furnace 4 through bearings, the bottom of the main gear 12 extends into the interior of the outer furnace 1 and meshes with the movable gear ring 13, the motor 10 is started, and the motor 10 rotates through the transmission shaft 11 so that the main gear 12 drives the movable gear ring 13 to rotate;

[0033] Among them, in order to achieve the purpose of facilitating the circulation of cooling water, the present device adopts the following technical solutions: multiple cooling tubes 7 are fixedly connected to the heat dissipation fin group 5, the tops of multiple cooling tubes 7 extend outside the outer furnace 1 and are fixedly connected to the top of the outer furnace 1, and the cooling water is circulated in the water inlet pipe 6, the cooling tube 7, and the return pipe 8 through the water cooling system, and the heat exchange is performed on the inner furnace 4 through the heat dissipation fin group 5. When the cooling water circulates, the cooling water inside the cooling tube 7 exchanges heat with the heat of the heat dissipation fin group 5;

[0034] Among them, in order to achieve the purpose of fully receiving wind cooling for the heat dissipation fin group 5, the present device adopts the following technical scheme: the movable gear ring 13 and the movable ring 15 are both sleeved on the outside of the inner furnace 4 and connected to the inner furnace 4 through bearings, the rotating shaft 14 passes through the movable gear ring 13 and the movable ring 15 and is connected to the movable gear ring 13 and the movable ring 15 through bearings, the slave gear 16 is meshed with the fixed gear ring 18, and the fixed gear ring 18 is fixedly sleeved on the outside of the inner furnace 4, and the slave gear 16 moves along the fixed gear ring 18 while rotating, so that the rotating shaft 14 drives the fan blades 17 to rotate, so that the cold air outside the outer furnace 1 enters the outer furnace 1 through the ventilation holes 2 and circulates, so that the cold air is blown onto the heat dissipation fin group 5, and at the same time, the fan blades 17 in circular motion can evenly blow the cold air to the outside of the heat dissipation fin group 5, so that the heat dissipation fin group 5 can be fully received by wind, thereby improving the heat replacement efficiency;

[0035] In order to facilitate the placement and taking of the annealing parts, the device is implemented by the following technical solution: a furnace door 9 is provided at one end of the inner furnace 4, and the annealing parts can be conveniently placed and taken by opening and closing the furnace door 9.

[0036] The use process of the utility model is as follows: when using the utility model, an external power supply is connected, the water inlet pipe 6 and the water return pipe 8 are connected to the water cooling system, and when the inner furnace 4 needs to be cooled, the cooling water is circulated in the water inlet pipe 6, the cooling pipe 7, and the water return pipe 8 through the water cooling system, and the inner furnace 4 is heat exchanged through the heat dissipation fin group 5. When the cooling water circulates, the cooling water inside the cooling pipe 7 exchanges heat with the heat of the heat dissipation fin group 5, and the motor 10 can be started while the water cooling is cooling. The motor 10 rotates through the transmission shaft 11 to make the main gear 12 drive the movable gear ring 13 to rotate, and the rotation of the movable gear ring 13 drives the rotating shaft 14 to move along the circumference of the inner furnace 4, and the rotating shaft 14 drives the slave gear 16 to move along the fixed gear ring 18 Circular motion, the gear 16 moves along the fixed gear ring 18 while rotating, so that the rotating shaft 14 drives the fan blades 17 to rotate, so that the cold air outside the outer furnace 1 enters the outer furnace 1 through the ventilation hole 2 and circulates, so that the cold air blows onto the heat dissipation fin group 5. At the same time, the fan blades 17 in circular motion can blow the cold air evenly to the outside of the heat dissipation fin group 5, so that the heat dissipation fin group 5 can be fully exposed to the wind, thereby improving the heat replacement efficiency. At the same time, the cooling water circulation inside the cooling pipe 7 is cooperated to improve the heat dissipation efficiency of the heat dissipation fin group 5, so that the heat dissipation fin group 5 can replace the heat of the inner furnace 4 faster, thereby cooling the inner furnace 4 faster and improving the cooling speed.

[0037] The above are only preferred embodiments of the present invention. Any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the above technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the present invention shall fall within the scope of protection claimed by the present invention.

Claims

1. A vacuum annealing furnace for convenient and rapid cooling, comprising an outer furnace (1), characterized in that: Ventilation holes (2) are provided on both sides of the outer furnace (1), a cooling drive assembly is provided on the top of the outer furnace (1), an inner furnace (4) is fixedly provided inside the outer furnace (1), and a cooling mechanism is provided outside the inner furnace (4); The cooling mechanism comprises an air cooling component and a water cooling component, the air cooling component comprises a movable gear ring (13), the movable gear ring (13) is sleeved on the outside of the inner furnace (4), a movable ring (15) is provided on one side of the movable gear ring (13), a plurality of movable air cooling units are provided between the movable gear ring (13) and the movable ring (15), the movable air cooling unit comprises a rotating shaft (14), a slave gear (16) is fixedly provided on the outside of the rotating shaft (14), a fan blade (17) is fixedly provided at one end of the rotating shaft (14), and a fixed gear ring (18) is provided between the plurality of slave gears (16).

2. A vacuum annealing furnace for convenient and rapid cooling according to claim 1, characterized in that: The water cooling assembly comprises a heat dissipation fin group (5), the heat dissipation fin group (5) is fixedly sleeved on the outside of the inner furnace (4), a water cooling circulation unit is inserted into the heat dissipation fin group (5), and the water cooling circulation unit comprises a water inlet pipe (6) and a water return pipe (8), and a plurality of cooling pipes (7) are fixedly connected between the water inlet pipe (6) and the water return pipe (8).

3. A vacuum annealing furnace for convenient and rapid cooling according to claim 1, characterized in that: The cooling drive assembly comprises a protective cover (3), the protective cover (3) being fixedly arranged on the top of the outer furnace (1), a motor (10) being fixedly arranged on one side of the protective cover (3), a transmission shaft (11) being fixedly connected to the output end of the motor (10), and a main gear (12) being fixedly sleeved on the outside of the transmission shaft (11).

4. A vacuum annealing furnace for convenient and rapid cooling according to claim 1, characterized in that: A furnace door (9) is provided at one end of the inner furnace (4).

5. A vacuum annealing furnace for convenient and rapid cooling according to claim 2, characterized in that: The plurality of cooling tubes (7) are all fixedly connected to the heat dissipation fin group (5), and the tops of the plurality of cooling tubes (7) extend out of the outer furnace (1) and are fixedly connected to the top of the outer furnace (1).

6. A vacuum annealing furnace for convenient and rapid cooling according to claim 3, characterized in that: The transmission shaft (11) extends into the interior of the protective cover (3) and is connected to both side walls of the inner furnace (4) via bearings.

7. A vacuum annealing furnace for convenient and rapid cooling according to claim 3, characterized in that: The bottom of the main gear (12) extends into the interior of the outer furnace (1) and meshes with the movable gear ring (13).

8. A vacuum annealing furnace for convenient and rapid cooling according to claim 1, characterized in that: The movable gear ring (13) and the movable ring (15) are both sleeved on the outside of the inner furnace (4) and connected to the inner furnace (4) via bearings.

9. A vacuum annealing furnace for convenient and rapid cooling according to claim 1, characterized in that: The rotating shaft (14) passes through the movable gear ring (13) and the movable ring (15) and is connected to the movable gear ring (13) and the movable ring (15) via bearings.

10. A vacuum annealing furnace for convenient and rapid cooling according to claim 1, characterized in that: The slave gear (16) is meshed with a fixed gear ring (18), and the fixed gear ring (18) is fixedly sleeved on the outside of the inner furnace (4).

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