Vacuum furnace cooling device for rapid circulating air cooling

Abstract

The utility model relates to the technical field of vacuum furnaces, and discloses a rapid circulating air cooling vacuum furnace cooling device which comprises a vacuum furnace body, a cooling assembly is installed on the surface of the vacuum furnace body, a heat exchange assembly is fixedly connected to the surface of the cooling assembly, and the cooling assembly comprises an installation table. An arc-shaped heat dissipation pipe is arranged in the vacuum furnace body, an air inlet pipe is fixedly connected to the left end of the arc-shaped heat dissipation pipe, a fixing plate is fixedly connected to the surface of the air inlet pipe, and a first flange plate is installed at the left end of the fixing plate. According to the vacuum furnace, the arc-shaped heat dissipation pipes are arranged, the feeding pipe is connected to cooling gas, then the first valve is opened, the air pump is started, the air pump drives the cooling gas to enter the arc-shaped heat dissipation pipes through the first connecting pipe, then heat is brought out, the arc-shaped heat dissipation pipes are concentric with the whole vacuum furnace body, and the heat dissipation efficiency is improved. And it can be guaranteed that heat in the arc-shaped heat dissipation pipes is evenly brought out.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum furnace technical field, concretely is a kind of vacuum furnace cooling device of quick cycle gas cooling. BACKGROUND

[0002] Vacuum furnace is the industrial furnace that is heated by electric heating element under the condition of approaching vacuum, mainly used for ceramic sintering, vacuum smelting, electric vacuum part degassing, annealing, metal piece brazing and ceramic-metal sealing etc. The vacuum degree of its hearth can reach 133x(10 -2 ~10 -4 )Pa, and the heating system in the furnace can be directly heated by resistance furnace wire electrification or high-frequency induction heating, with the maximum temperature of about 3000 DEG C. Vacuum furnace has the advantages of high efficiency, energy saving and environmental protection, and is widely used in industrial production, especially in the fields of metal heat treatment, powder metallurgy and electronic materials.

[0003] After the electric heating element is processed in the vacuum furnace, annealing treatment is needed, and the conventional single-chamber vacuum furnace needs a lot of time in the waiting cooling process, which slows down the workpiece processing rate and increases the time cost. INVENTION CONTENTS

[0004] To solve the above technical problems, the utility model provides a kind of vacuum furnace cooling device of quick cycle gas cooling, including vacuum furnace body, the surface of vacuum furnace body is equipped with cooling assembly, the surface of cooling assembly is fixedly connected with heat exchange component;

[0005] The cooling assembly includes a mounting table, the vacuum furnace body is provided with an arc-shaped heat dissipation pipe inside, the left end of the arc-shaped heat dissipation pipe is fixedly connected with an air inlet pipe, the surface of the air inlet pipe is fixedly connected with a fixed plate, the left end of the fixed plate is provided with a flange plate one, the surface of the flange plate one is threadedly connected with a flange plate two, the left end of the flange plate two is fixedly connected with a connecting pipe one, the output end of the connecting pipe one is provided with a gas pump, the output end of the gas pump is fixedly connected with a feed pipe, and the feed pipe is provided with a valve one inside.

[0006] Through the above technical scheme, by setting the arc-shaped heat dissipation pipe, the feed pipe is connected to the cooling gas, then the valve one is opened, the gas pump is started, and the cooling gas is driven into the inside of the arc-shaped heat dissipation pipe through the connecting pipe one, and then the heat is taken out, the arc-shaped heat dissipation pipe is concentric with the whole vacuum furnace body, which can ensure that the arc-shaped heat dissipation pipe uniformly takes out the heat inside.

[0007] As a further improvement of the above scheme, the number of mounting tables is two, and the mounting tables are evenly distributed on the surface in a front center symmetrical manner of the vacuum furnace body.

[0008] Through the technical scheme, the two installation tables are uniformly distributed on the surface in the center of the front face of the vacuum furnace body, which makes the installation of the cooling assembly on the vacuum furnace body more stable and balanced, and helps to uniformly cool the vacuum furnace, avoiding local overheating or uneven cooling.

[0009] As a further improvement of the above scheme, the number of the fixing plates is two, and the fixing plates are uniformly distributed on the surface in the center of the top of the installation table.

[0010] Through the technical scheme, the two installation tables are uniformly distributed on the surface in the center of the front face of the vacuum furnace body, which makes the installation of the cooling assembly on the vacuum furnace body more stable and balanced, and helps to uniformly cool the vacuum furnace, avoiding local overheating or uneven cooling.

[0011] As a further improvement of the above scheme, the right end of the flange plate one penetrates the inner wall of the installation table.

[0012] As a further improvement of the above scheme, the heat exchange assembly comprises a connecting pipe two, and the cooling box is installed at the output end of the connecting pipe two.

[0013] Through the technical scheme, the connecting pipe two guides the gas to the cooling box, the cooling box is used to reduce the temperature of the gas, and the valve two can control the flow state of the gas, so that the heat exchange can be effectively carried out, the high-temperature gas is cooled and then recycled back to the system, and thus the cooling effect is improved.

[0014] As a further improvement of the above scheme, the output end of the connecting pipe two is located on the surface of the output end of the air inlet pipe away from the air pump.

[0015] Through the technical scheme, the output end of the connecting pipe two is located on the surface of the output end of the air inlet pipe away from the air pump, which helps to optimize the flow path of the gas, makes the cooling and heat exchange process more efficient, avoids repeated circulation of the gas in a short distance, and improves the working efficiency of the entire cooling device.

[0016] As a further improvement of the above scheme, the surface of the vacuum furnace body is rotationally connected with a connecting table, the bottom of the connecting table is provided with a rotating shaft, the rotating shaft is rotationally connected with a sealing cover inside, the outer surface of the sealing cover is fixedly connected with a clamping plate, the top of the connecting table is fixedly connected with a hydraulic rod, and the front face of the vacuum furnace body is fixedly connected with a limiting clamping table.

[0017] As a further improvement of the above scheme, the diameter of the sealing cover is smaller than the diameter of the limiting clamping table.

[0018] Compared with the prior art, the beneficial effects of the utility model are:

[0019] The utility model discloses a cooling device of vacuum furnace of quick circulation gas, including vacuum furnace body 1, vacuum furnace body 1, vacuum furnace body 1 surface installs cooling assembly 2, and cooling assembly 2 surface fixedly connected has heat exchange assembly 3, and heat exchange assembly 3 is provided with the sealing cover 6, and sealing cover 6 is provided with the hydraulic rod 7, and hydraulic rod 7 is provided with the clamping plate 8, and clamping plate 8 is provided with the limit card station 9.

[0020] The utility model discloses a cooling device of vacuum furnace of quick circulation gas, including vacuum furnace body 1, vacuum furnace body 1, vacuum furnace body 1 surface installs cooling assembly 2, and cooling assembly 2 surface fixedly connected has heat exchange assembly 3, and heat exchange assembly 3 is provided with the sealing cover 6, and sealing cover 6 is provided with the hydraulic rod 7, and hydraulic rod 7 is provided with the clamping plate 8, and clamping plate 8 is provided with the limit card station 9. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is whole structure schematic diagram of the utility model;

[0022] Figure 2 It is whole internal structure schematic diagram of the utility model;

[0023] Figure 3 It is whole structure schematic diagram of cooling assembly of the utility model;

[0024] Figure 4 It is whole structure schematic diagram of sealing cover of the utility model.

[0025] In the drawing: 1, vacuum furnace body;2, cooling assembly;21, installation platform;22, arc heat dissipation pipe;23, air inlet pipe;24, fixed plate;25, flange plate one;26, flange plate two;27, connecting pipe one;28, gas pump;29, feed pipe;210, valve one;3, heat exchange assembly;31, connecting pipe two;32, cooling box;33, valve two;4, connecting table;5, rotating shaft;6, sealing cover;7, hydraulic rod;8, clamping plate;9, limit card station. DETAILED DESCRIPTION

[0026] Below, combining the drawing and specific implementation, the utility model is further described, need explaining, under the premise of not conflicting, the following described each embodiment or each technical feature between can be arbitrary combination and form new embodiment.

[0027] Embodiment:

[0028] Please combine Figures 1-4 The utility model discloses a cooling device of vacuum furnace of quick circulation gas, including vacuum furnace body 1, vacuum furnace body 1, vacuum furnace body 1 surface installs cooling assembly 2, cooling assembly 2 surface fixedly connected has heat exchange assembly 3;

[0029] The cooling assembly 2 comprises a mounting table 21, and an arc-shaped heat dissipation pipe 22 is arranged in the vacuum furnace body 1, a left end of the arc-shaped heat dissipation pipe 22 is fixedly connected with an air inlet pipe 23, a surface of the air inlet pipe 23 is fixedly connected with a fixed plate 24, a left end of the fixed plate 24 is provided with a flange plate one 25, a surface of the flange plate one 25 is threadedly connected with a flange plate two 26, a left end of the flange plate two 26 is fixedly connected with a connecting pipe one 27, an output end of the connecting pipe one 27 is provided with an air pump 28, and an output end of the air pump 28 is fixedly connected with a feeding pipe 29.

[0030] The mounting table 21 is arranged in two numbers and is uniformly distributed on the surface in a center-symmetrical manner on the front surface of the vacuum furnace body 1.

[0031] The fixed plate 24 is arranged in two numbers and is uniformly distributed on the surface in a center-symmetrical manner on the top of the mounting table 21, and the fixed plate 24 is fixedly connected to the inner wall of the mounting table 21.

[0032] The right end of the flange plate one 25 penetrates the inner wall of the mounting table 21.

[0033] The heat exchange assembly 3 comprises a connecting pipe two 31, an output end of the connecting pipe two 31 is provided with a cooling box 32, and a left end of the cooling box 32 is provided with a valve two 33.

[0034] The output end of the connecting pipe two 31 is located on the surface of the air inlet pipe 23 output end away from the air pump 28.

[0035] The connecting table 4 is rotationally connected to the surface of the vacuum furnace body 1, the connecting table 4 is provided with a rotating shaft 5 at the bottom, the rotating shaft 5 is rotationally connected with a sealing cover 6 in the inside, the sealing cover 6 is fixedly connected with a clamping plate 8 on the outer surface, the connecting table 4 is fixedly connected with a hydraulic rod 7 at the top, and the vacuum furnace body 1 is fixedly connected with a limiting clamping table 9 on the front surface.

[0036] The diameter of the sealing cover 6 is smaller than the diameter of the limiting clamping table 9.

[0037] The implementation principle of the vacuum furnace cooling device with rapid circulation gas cooling in the embodiment is as follows: when the vacuum furnace is rapidly cooled, the feeding pipe 29 is connected to the cooling gas first, then the valve one 210 is opened, the air pump 28 is started, the air pump 28 drives the cooling gas to enter the inside of the arc-shaped heat dissipation pipe 22 through the connecting pipe one 27, and then the heat is taken out through the arc-shaped heat dissipation pipe 22, the arc-shaped heat dissipation pipe 22 is concentric with the whole vacuum furnace body 1, and the arc-shaped heat dissipation pipe 22 can uniformly take out the heat in the inside.

[0038] When the vacuum furnace is closed, first rotate the connecting table 4, make the clamping plate 8 contact with the front surface of the vacuum furnace body 1, then start the hydraulic rod 7, the output end of the hydraulic rod 7 pushes the front connecting plate and synchronously drives the sealing cover 6 to rotate, until the clamping plate 8 is clamped in the inside of the limiting clamping table 9, the limiting clamping table 9 facilitates the closing work of the vacuum furnace. The above embodiment is only the preferred embodiment of the utility model, cannot be used to limit the range of the utility model protection, any non-substantial change and replacement made by the person skilled in the art on the basis of the utility model belongs to the range of the utility model claimed for protection.

Claims

1. A rapid circulating gas-cooled vacuum furnace cooling device, characterized in that: It includes a vacuum furnace body (1), a cooling component (2) is installed on the surface of the vacuum furnace body (1), and a heat exchange component (3) is fixedly connected to the surface of the cooling component (2). The cooling assembly (2) includes a mounting platform (21). An arc-shaped heat dissipation pipe (22) is provided inside the vacuum furnace body (1). An air inlet pipe (23) is fixedly connected to the left end of the arc-shaped heat dissipation pipe (22). A fixing plate (24) is fixedly connected to the surface of the air inlet pipe (23). A flange (25) is installed on the left end of the fixing plate (24). A flange (26) is threadedly connected to the surface of the flange (25). A connecting pipe (27) is fixedly connected to the left end of the flange (26). An air pump (28) is installed at the output end of the connecting pipe (27). A feed pipe (29) is fixedly connected to the output end of the air pump (28). A valve (210) is provided inside the feed pipe (29).

2. The rapid circulating gas cooling vacuum furnace cooling device according to claim 1, characterized in that: There are two mounting platforms (21), which are evenly distributed on the surface of the vacuum furnace body (1) with the center of the front of the vacuum furnace body (1) symmetrical.

3. The rapid circulating gas cooling vacuum furnace cooling device according to claim 1, characterized in that: There are two fixing plates (24). The fixing plates (24) are evenly distributed on the surface of the mounting platform (21) with the top center symmetrically arranged. The fixing plates (24) are fixedly connected to the inner wall of the mounting platform (21).

4. The vacuum furnace cooling device with rapid circulating gas cooling according to claim 1, characterized in that: The right end of the flange (25) penetrates the inner wall of the mounting platform (21).

5. The vacuum furnace cooling device with rapid circulating gas cooling according to claim 1, characterized in that: The heat exchange assembly (3) includes a second connecting pipe (31), a cooling box (32) is installed at the output end of the second connecting pipe (31), and a second valve (33) is provided at the left end of the cooling box (32).

6. The vacuum furnace cooling device with rapid circulating gas cooling according to claim 5, characterized in that: The output end of the second connecting pipe (31) is located on the surface of the output end of the air inlet pipe (23) away from the air pump (28).

7. The vacuum furnace cooling device with rapid circulating gas cooling according to claim 1, characterized in that: The surface of the vacuum furnace body (1) is rotatably connected to a connecting platform (4), a rotating shaft (5) is installed at the bottom of the connecting platform (4), a sealing cover (6) is rotatably connected inside the rotating shaft (5), a clamping plate (8) is fixedly connected to the outer surface of the sealing cover (6), a hydraulic rod (7) is fixedly connected to the top of the connecting platform (4), and a limit clamping platform (9) is fixedly connected to the front of the vacuum furnace body (1).

8. The vacuum furnace cooling device with rapid circulating gas cooling according to claim 7, characterized in that: The diameter of the sealing cover (6) is smaller than the diameter of the limiting plate (9).

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