Vacuum sintering furnace capable of cooling interior

Abstract

The utility model relates to the technical field of sintering furnace equipment, in particular to a vacuum sintering furnace capable of cooling the interior, which solves the problems that the cooling efficiency of products is low and the interior of a furnace body cannot be cooled, and comprises an outer furnace body, a heat conduction layer is fixedly connected to the inner wall of the outer furnace body, and an inner furnace body is fixedly connected to the inner wall of the heat conduction layer. A cooling assembly is arranged at the bottom of the outer furnace body and comprises a water tank and a stainless steel pipe, the stainless steel pipe is partially and spirally arranged in the heat conduction layer, and the water tank is located below the outer furnace body. Through cooperation of the water pump, the stainless steel pipe and the heat conduction plate, cooling water circulation can be formed, the heat dissipation efficiency of the interior of the vacuum sintering furnace is improved, the stainless steel pipe is arranged in the heat conduction layer in a bolt shape, the contact area of the stainless steel pipe and the inner wall of the heat conduction layer is increased, and the heat dissipation efficiency is improved. The heat exchange efficiency between the stainless steel pipe and the heat conduction layer is enhanced, and therefore the higher heat dissipation speed is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sintering furnace equipment technical field, concretely relates to a vacuum sintering furnace that can cool inside. BACKGROUND

[0002] Vacuum sintering furnace is an advanced equipment widely used in material science, aerospace, automobile manufacturing and other fields. It can sinter materials at high temperature under vacuum or inert gas environment, so as to obtain sintered body with excellent performance. Common heating methods include resistance heating, induction heating, microwave heating, etc. Then it can be cooled through a cooling system. The cooling system controls the cooling rate to ensure that the product can smoothly transition to room temperature, thereby maintaining the stability of its shape and performance.

[0003] Traditional vacuum sintering furnace usually adopts external cooling method, i.e. setting cooling devices on the furnace body shell to reduce the furnace body temperature. However, this method has low cooling efficiency and uneven cooling, which makes it difficult to ensure that the materials in the furnace can be cooled at an appropriate rate after sintering. In addition, external cooling may also cause the furnace body to deform, affecting the precision and service life of the equipment.

[0004] Therefore, the utility model provides a vacuum sintering furnace that can cool the inside to solve the above problems. SUMMARY

[0005] To overcome the defects of the prior art, the utility model provides a vacuum sintering furnace that can cool the inside to solve the problem of low product cooling efficiency.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a vacuum sintering furnace capable of cooling inside, including outer furnace body, the inner wall of outer furnace body is fixedly connected with heat conduction layer, the inner wall of heat conduction layer is fixedly connected with inner furnace body, the bottom of outer furnace body is equipped with cooling assembly, cooling assembly includes water tank and stainless steel pipe, the part of stainless steel pipe is spirally arranged in the inside of heat conduction layer, the lower of outer furnace body is located, the outer surface of water tank is fixedly installed with water pump, the water delivery end of water pump is fixedly connected with one end of stainless steel pipe, the other end of stainless steel pipe is fixedly installed on the outer surface of water tank, and the inner wall of stainless steel pipe is connected with the inner wall of water tank, the outer surface of water tank is fixedly connected with a plurality of heat conduction plates, the left side of outer furnace body is fixedly installed with air inlet pipe, the outer surface of air inlet pipe is fixedly installed with electromagnetic valve, the outer surface of outer furnace body is equipped with air cooling assembly, air cooling assembly includes the main pipeline of fixed connection on the outer surface of outer furnace body, the left side of main pipeline is fixedly installed with first communication pipe, the outer surface of first communication pipe is fixedly connected with the outer surface of air inlet pipe away from main pipeline, the inner wall of first communication pipe is connected with the inner wall of air inlet pipe, the inner wall of main pipeline is fixedly installed with second fan, the right side of outer furnace body is fixedly connected with extension plate.

[0008] Preferably, the outer surface of the outer furnace body is fixedly connected with a first support frame, the outer surface of the first support frame is fixedly connected with a support, and the inner wall of the support is fixedly installed with two groups of first fans.

[0009] Preferably, the air cooling assembly further comprises two air outlet boxes fixedly connected to the upper surface of the extension plate, two groups of air outlets are formed on the side of each air outlet box close to each other, and a filter screen is fixedly installed on the outer surface of the main pipeline.

[0010] Preferably, the outer surface of the main pipeline is fixedly connected with two symmetrical second communication pipes, one end of each second communication pipe is fixedly connected to the outer surface of the air outlet box away from the outer surface of the main pipeline, and the inner wall of the second communication pipe is connected with the inner wall of the air outlet box.

[0011] Preferably, a sliding groove is formed on the upper surface of the extension plate, a lead screw is rotatably connected to the inner wall of the sliding groove, a motor is fixedly embedded on the right side of the extension plate, and the output end of the motor is fixedly connected to one end of the sliding groove.

[0012] Preferably, a moving plate is threadedly connected to the outer surface of the lead screw, and the outer surface of the moving plate is slidably connected to the inner wall of the sliding groove.

[0013] Preferably, a second support frame is fixedly connected to the bottom surface of the extension plate, and an inlet and outlet are formed on the right side of the outer furnace body.

[0014] The utility model discloses a vacuum sintering furnace capable of cooling inside, including outer furnace body, the inner wall of outer furnace body is fixedly connected with heat conduction layer, the inner wall of heat conduction layer is fixedly connected with inner furnace body, the bottom of outer furnace body is equipped with cooling assembly, cooling assembly includes water tank and stainless steel pipe, the part of stainless steel pipe is spirally arranged in the inside of heat conduction layer, the lower of outer furnace body is located, the outer surface of water tank is fixedly installed with water pump, the water delivery end of water pump is fixedly connected with one end of stainless steel pipe, the other end of stainless steel pipe is fixedly installed on the outer surface of water tank, and the inner wall of stainless steel pipe is connected with the inner wall of water tank, the outer surface of water tank is fixedly connected with a plurality of heat conduction plates, the left side of outer furnace body is fixedly installed with air inlet pipe, the outer surface of air inlet pipe is fixedly installed with electromagnetic valve, the outer surface of outer furnace body is equipped with air cooling assembly, air cooling assembly includes the main pipeline of fixed connection on the outer surface of outer furnace body, the left side of main pipeline is fixedly installed with first communication pipe, the outer surface of first communication pipe is fixedly connected with the outer surface of air inlet pipe away from main pipeline, the inner wall of first communication pipe is connected with the inner wall of air inlet pipe, the inner wall of main pipeline is fixedly installed with second fan, the right side of outer furnace body is fixedly connected with extension plate.

[0015] 1、The utility model discloses a cooperation between water pump, stainless steel pipe and heat conduction plate can form cooling water circulation, thereby improve the heat dissipation efficiency of vacuum sintering furnace inside, and stainless steel pipe is bolted and placed in the inside of heat conduction layer, thereby increased the contact area with heat conduction layer inner wall, strengthened the heat exchange efficiency between stainless steel pipe and heat conduction layer, thereby realized faster heat dissipation speed.

[0016] 2、Through the effect of setting up first fan, can cool down stainless steel pipe, cooperate with the high -efficient heat dissipation of heat conduction plate, can cool down the cooling water of heating fast, thereby improve the heat dissipation efficiency of vacuum sintering furnace.

[0017] 3、Through the cooperation between main pipe, second fan, first communication pipe, when the internal pressure of outer furnace body is stable and tends to be stable, the product is taken out, at this time, the wind power of second fan is transmitted to the inside of inner furnace body through main pipe, first communication pipe, can further improve the heat dissipation performance of vacuum sintering furnace inside. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0019] Figure 2 It is the sectional view of the utility model.

[0020] Figure 3 It is the three-dimensional structure schematic diagram of heat conduction layer and cooling assembly of the utility model.

[0021] Figure 4 It is the internal structure schematic diagram of air cooling assembly of the utility model.

[0022] In the drawing: 1, outer furnace body;2, heat conduction layer;3, inner furnace body;4, cooling assembly;401, water tank;402, water pump;403, stainless steel pipe;404, heat conduction plate;405, support;406, first fan;5, air inlet pipe;6, air cooling assembly;601, main pipe;602, second fan;603, filter screen;604, first communication pipe;605, second communication pipe;606, air outlet box;607, air port;7, extension plate;8, sliding slot;9, screw;10, motor;11, moving plate;12, placing rack;13, first support frame;14, second support frame. DETAILED DESCRIPTION

[0023] Below will refer to the reference drawings of the utility model. Figures 1 to 4 The embodiments of the utility model are explained in detail. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the utility model, and are not intended to limit the protection scope of the utility model.

[0024] A vacuum sintering furnace capable of cooling the interior, as shown in the accompanying drawings Figure 1 and Figure 2 The outer furnace body 1 is fixedly connected with a heat conduction layer 2, the inner wall of the heat conduction layer 2 is fixedly connected with an inner furnace body 3, the bottom of the outer furnace body 1 is provided with a cooling assembly 4, the cooling assembly 4 comprises a water tank 401 and a stainless steel pipe 403, part of the stainless steel pipe 403 is arranged in a spiral manner inside the heat conduction layer 2, the water tank 401 is located below the outer furnace body 1, a water pump 402 is fixedly installed on the outer surface of the water tank 401, the water delivery end of the water pump 402 is fixedly connected to one end of the stainless steel pipe 403, the other end of the stainless steel pipe 403 is fixedly installed on the outer surface of the water tank 401, and the inner wall of the stainless steel pipe 403 is in communication with the inner wall of the water tank 401, and a plurality of heat conduction plates 404 are fixedly connected to the outer surface of the water tank 401; the water pump 402 is started to deliver the cooling water in the water tank 401 to the inside of the stainless steel pipe 403, at this time the stainless steel pipe 403 is arranged in a spiral manner inside the heat conduction layer 2, thereby increasing the contact area with the inner wall of the heat conduction layer 2 and enhancing the heat exchange efficiency between the stainless steel pipe 403 and the heat conduction layer 2, the heated cooling water is rapidly cooled after heat conduction of the heat conduction plates 404 and then flows back into the inside of the water tank 401, thereby completing the circulation.

[0025] As shown in the accompanying drawings Figure 1 The left side of the outer furnace body 1 is fixedly installed with an air inlet pipe 5, and the outer surface of the air inlet pipe 5 is fixedly installed with a solenoid valve; after the valve is opened, the inside of the inner furnace body 3 is in communication with the air cooling assembly 6, so that the air cooling assembly 6 can deliver the external cold air to the inside of the inner furnace body 3 to reduce the temperature and further improve the cooling efficiency.

[0026] As shown in the accompanying drawings Figure 1 and Figure 4 The outer surface of the outer furnace body 1 is provided with an air cooling assembly 6, the air cooling assembly 6 comprises a main pipe 601 fixedly connected to the outer surface of the outer furnace body 1, a first communication pipe 604 fixedly installed on the left side of the main pipe 601, one end of the first communication pipe 604 away from the main pipe 601 is fixedly connected to the outer surface of the air inlet pipe 5, the inner wall of the first communication pipe 604 is in communication with the inner wall of the air inlet pipe 5, a second fan 602 is fixedly installed on the inner wall of the main pipe 601, and an extension plate 7 is fixedly connected to the right side of the outer furnace body 1; after the valve is opened, the internal space of the inner furnace body 3 is in communication with the first communication pipe 604, and the second fan 602 is started to deliver the external cold air to the inside of the inner furnace body 3 through the first communication pipe 604 for cooling.

[0027] As shown in the accompanying drawings Figure 1 and Figure 3The outer surface of the outer furnace body 1 is fixedly connected with a first support frame 13, the outer surface of the first support frame 13 is fixedly connected with a support 405, and the inner wall of the support 405 is fixedly installed with two groups of first fans 406; the support 405 can continuously convey cool air to the heat conduction plate 404 and the stainless steel pipe 403, so that the stainless steel pipe 403 can be quickly cooled.

[0028] As shown in the accompanying drawings Figure 1 And Figure 4 The air-cooled assembly 6 further comprises two air outlet boxes 606 fixedly connected to the upper surface of the extension plate 7, the side face of each of the two air outlet boxes 606 close to each other is provided with two groups of air outlets 607, and the outer surface of the main pipeline 601 is fixedly installed with a filter screen 603; the air force of the second fan 602 is partially divided in the main pipeline 601, a part of the air force passes through the air outlet box 606 and the air outlet 607 to cool the product, and then the filter screen 603 can filter dust and impurities in the air when the second fan 602 conveys the air force, so that the dust is prevented from entering the inner furnace body 3 and the product.

[0029] As shown in the accompanying drawings Figure 1 And Figure 4 The outer surface of the main pipeline 601 is fixedly communicated with two symmetrical second communication pipes 605, one end of each of the two second communication pipes 605 away from the outer surface of the main pipeline 601 is fixedly connected to the outer surface of the air outlet box 606, and the inner wall of the second communication pipe 605 is in communication with the inner wall of the air outlet box 606; the two groups of air outlet boxes 606 are symmetrically placed, so that the air force can be uniformly conveyed to the product.

[0030] As shown in the accompanying drawings Figure 1 And Figure 2 The upper surface of the extension plate 7 is provided with a sliding groove 8, the inner wall of the sliding groove 8 is rotatably connected with a lead screw 9, the right side face of the extension plate 7 is fixedly embedded with a motor 10, one end of the output end of the motor 10 is fixedly connected to the sliding groove 8, the outer surface of the lead screw 9 is threadedly connected with a moving plate 11, the outer surface of the moving plate 11 is slidably connected to the inner wall of the sliding groove 8, and the outer surface of the moving plate 11 is fixedly connected with a placing frame 12; the motor 10 can drive the lead screw 9 to rotate, thereby driving the moving plate 11 to move, and cooperating with the guidance of the sliding groove 8 so that the moving plate 11 can stably drive the placing frame 12 to move horizontally, thereby stably driving the product to move.

[0031] As shown in the accompanying drawings Figure 1 And Figure 2 The bottom surface of the extension plate 7 is fixedly connected with a second support frame 14, and the right side of the outer furnace body 1 is provided with an inlet and outlet; the second support frame 14 can stably support the extension plate 7, so that the product can be stably cooled.

[0032] It should be noted that in the description of the utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is merely for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0033] In addition, it should also be noted that in the description of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection" should be broadly understood, for example, it can be fixed connection, or detachable connection, or integrally connected; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0034] So far, the technical scheme of the utility model has been described in combination with the preferred embodiments shown in the drawings, but those skilled in the art can easily understand that the protection scope of the utility model is obviously not limited to these specific embodiments. Those skilled in the art can make equivalent changes or replacements to related technical features without departing from the principles of the utility model, and the technical schemes after the changes or replacements will fall within the protection scope of the utility model.

Claims

1. A vacuum sintering furnace capable of cooling the interior, comprising an outer furnace body (1), characterized in that, The inner wall of the outer furnace body (1) is fixedly connected with a heat conduction layer (2), the inner wall of the heat conduction layer (2) is fixedly connected with an inner furnace body (3), the bottom of the outer furnace body (1) is provided with a cooling assembly (4), the cooling assembly (4) comprises a water tank (401) and a stainless steel pipe (403), part of the stainless steel pipe (403) is arranged in a spiral manner in the inside of the heat conduction layer (2), the water tank (401) is located below the outer furnace body (1), the outer surface of the water tank (401) is fixedly provided with a water pump (402), the water delivery end of the water pump (402) is fixedly connected with one end of the stainless steel pipe (403), the other end of the stainless steel pipe (403) is fixedly installed on the outer surface of the water tank (401), and the inner wall of the stainless steel pipe (403) is in communication with the inner wall of the water tank (401), the outer surface of the water tank (401) is fixedly connected with a plurality of heat conduction plates (404), the left side of the outer furnace body (1) is fixedly provided with an air inlet pipe (5), the outer surface of the air inlet pipe (5) is fixedly provided with a solenoid valve, the outer surface of the outer furnace body (1) is provided with an air cooling assembly (6), the air cooling assembly (6) comprises a main pipeline (601) fixedly connected with the outer surface of the outer furnace body (1), the left side of the main pipeline (601) is fixedly provided with a first communication pipe (604), one end of the first communication pipe (604) away from the main pipeline (601) is fixedly connected with the outer surface of the air inlet pipe (5), the inner wall of the first communication pipe (604) is in communication with the inner wall of the air inlet pipe (5), the inner wall of the main pipeline (601) is fixedly provided with a second fan (602), and the right side of the outer furnace body (1) is fixedly connected with an extension plate (7).

2. The vacuum sintering furnace capable of cooling the inside according to claim 1, wherein The outer surface of the outer furnace body (1) is fixedly connected with a first support frame (13), the outer surface of the first support frame (13) is fixedly connected with a support (405), and the inner wall of the support (405) is fixedly provided with two groups of first fans (406).

3. The vacuum sintering furnace capable of cooling the inside according to claim 1, wherein The air cooling assembly (6) further comprises two air outlet boxes (606) fixedly connected with the upper surface of the extension plate (7), two groups of air outlets (607) are formed in the side face of each of the two air outlet boxes (606) close to each other, and the outer surface of the main pipeline (601) is fixedly provided with a filter screen (603).

4. The vacuum sintering furnace capable of cooling the inside according to claim 3, wherein The outer surface of the main pipeline (601) is fixedly connected with two symmetrical second communication pipes (605), one end of each of the two second communication pipes (605) away from the outer surface of the main pipeline (601) is fixedly connected with the outer surface of the air outlet box (606), and the inner wall of the second communication pipe (605) is in communication with the inner wall of the air outlet box (606).

5. The vacuum sintering furnace capable of cooling the inside according to claim 1, wherein The upper surface of the extension plate (7) is provided with a sliding groove (8), the inner wall of the sliding groove (8) is rotatably connected with a lead screw (9), the right side of the extension plate (7) is fixedly embedded with a motor (10), and the output end of the motor (10) is fixedly connected with one end of the sliding groove (8).

6. The vacuum sintering furnace capable of cooling the inside according to claim 5, wherein The outer surface of the lead screw (9) is threadedly connected with a moving plate (11), and the outer surface of the moving plate (11) is slidingly connected with the inner wall of the sliding groove (8), and the outer surface of the moving plate (11) is fixedly connected with a placing rack (12).

7. The vacuum sintering furnace capable of cooling the inside according to claim 1, wherein The bottom surface of the extension plate (7) is fixedly connected with a second supporting rack (14), and the right side of the outer furnace body (1) is provided with an inlet and outlet.

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