Rapid cooling mechanism of vacuum sintering furnace

Abstract

The utility model discloses a rapid cooling mechanism of a vacuum sintering furnace, and relates to the technical field of vacuum sintering furnace cooling. The vacuum sintering furnace comprises a vacuum sintering furnace body, an air inlet mechanism is arranged on the surface of the vacuum sintering furnace body, a cooling mechanism is arranged in the vacuum sintering furnace body, a transmission mechanism is arranged at the transmission end of the cooling mechanism, an exhaust mechanism is arranged at one end of the vacuum sintering furnace body, and a fixing mechanism is installed in the vacuum sintering furnace body. External air is driven by the air supply pump to reach the interior of the connecting disc, then reaches the cooling pipes through the connecting disc, is exhausted through the cooling holes formed in the surfaces of the cooling pipes and makes contact with the interior of the vacuum sintering furnace body, and meanwhile the transmission wheel drives the cooling pipes and the connecting disc to rotate in the vacuum sintering furnace body. Air is evenly conveyed into the vacuum sintering furnace body, and meanwhile the air can make rapid contact with the interior of the vacuum sintering furnace body.

Description

Technical Field

[0001] This utility model belongs to the field of vacuum sintering furnace cooling technology, and specifically relates to a rapid cooling mechanism for a vacuum sintering furnace. Background Technology

[0002] A vacuum sintering furnace is a furnace that performs protective sintering of heated items in a vacuum environment. There are many heating methods, such as resistance heating, induction heating, and microwave heating. Vacuum sintering furnaces utilize induction heating to perform protective sintering of heated items and can be divided into types such as power frequency, medium frequency, and high frequency. They can be classified as a subcategory of vacuum sintering furnaces.

[0003] After the workpiece is heated in the vacuum sintering furnace, residual heat remains inside the furnace, requiring cooling of the furnace's interior. This necessitates the use of a rapid cooling mechanism for the vacuum sintering furnace to extend its service life.

[0004] According to Chinese Patent Publication No. CN220083696U, a rapid cooling mechanism for a vacuum sintering furnace is disclosed. This invention includes a base, with a sintering furnace body mounted on its upper surface. An air inlet pipe is mounted on one side of the sintering furnace body, and an air pump is mounted on the other side of the air inlet pipe. A fixing seat is welded to the lower surface of the air pump, an installation pipe is mounted on one side of the air pump, a connecting pipe is mounted on one side of the installation pipe, and a cooling pipe is mounted on the other side of the connecting pipe. This invention utilizes a cooling device, with the air inlet pipe and exhaust pipe installed at opposite ends of the sintering furnace body. The air pump draws cold air from the cooling device and delivers it into the sintering furnace body through the air inlet pipe. An exhaust pump is also installed at the other end to extract hot air. This combination of extraction and exhaust pumps accelerates the outflow of hot air from the sintering furnace body while simultaneously rapidly filling the interior with cold air. The delivered cold air cools the interior, significantly improving cooling efficiency.

[0005] However, the aforementioned device accelerates the outflow of hot air from the sintering furnace body by using a suction pump and a delivery pump to simultaneously draw in and blow out hot air. The device is installed at both ends of the sintering furnace body. When the air reaches the sintering furnace body, it directly enters the middle of the sintering furnace body and is then discharged by the suction pump. The temperature of the sintering furnace body after the work is completed mainly comes from the inner surface of the sintering furnace body. However, when the aforementioned device introduces air into the sintering furnace body, the inner surface of the sintering furnace body cannot quickly come into contact with the air, resulting in low cooling efficiency when cooling the sintering furnace body. Utility Model Content

[0006] To address the problem of insufficient rapid contact between air and the interior of the sintering furnace, this invention proposes a rapid cooling mechanism for a vacuum sintering furnace to overcome the aforementioned technical problems in existing related technologies.

[0007] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0008] This utility model relates to a rapid cooling mechanism for a vacuum sintering furnace, comprising a vacuum sintering furnace body, an air inlet mechanism on the surface of the vacuum sintering furnace body, a cooling mechanism inside the vacuum sintering furnace body, a transmission mechanism at the transmission end of the cooling mechanism, an exhaust mechanism at one end of the vacuum sintering furnace body, a fixing mechanism installed inside the vacuum sintering furnace body, and an exhaust end of the air inlet mechanism connected to the air inlet end of the cooling mechanism.

[0009] The air intake mechanism is used to deliver air into the cooling mechanism, the transmission mechanism is used to drive the cooling mechanism to rotate inside the vacuum sintering furnace body, the cooling mechanism is used to deliver air into the vacuum sintering furnace body for cooling, and the exhaust mechanism is used to carry out the hot air inside the vacuum sintering furnace body.

[0010] Furthermore, the air intake mechanism includes an air intake pipe, one end of which is fixedly equipped with an air pump, and the other end of which is connected to the surface of the vacuum sintering furnace body.

[0011] Furthermore, the cooling mechanism includes a connecting plate, on the surface of which a plurality of cooling tubes are arranged in a ring array. One end of each cooling tube is fixedly connected to a drive wheel. The connecting plate is hollow. Both the drive wheel and the connecting plate are rotatably connected inside the vacuum sintering furnace body. The surface of each cooling tube is provided with a plurality of cooling holes. The connecting plate is slidably connected to one end of the air inlet pipe.

[0012] Furthermore, the transmission mechanism includes a mounting plate, which is fixedly connected to the surface of the vacuum sintering furnace body. A motor is fixedly mounted on one end of the mounting plate, and a gear is fixedly connected to the output shaft of the motor. The surface of the gear meshes with the surface of the transmission wheel.

[0013] Furthermore, the exhaust mechanism includes an exhaust pipe, one end of which is fixedly installed at one end of the vacuum sintering furnace body, and the other end of which is fixedly installed with a vacuum pump.

[0014] Furthermore, the fixing mechanism includes a base, which is fixedly connected to the inside of the vacuum sintering furnace body. The base has multiple ventilation holes on its surface. Both ends of the base are rotatably connected to bidirectional screws. Two clamping plates are threadedly connected to both sides of the surface of the bidirectional screws, and the two clamping plates are slidably connected to the surface of the base.

[0015] Furthermore, a support is fixedly connected to the bottom of the vacuum sintering furnace body, and both the air supply pump and the air extraction pump are fixedly installed on the surface of the support.

[0016] This utility model has the following beneficial effects: The workpiece is placed on the surface of the fixing mechanism to fix it. After the vacuum sintering furnace body has finished heating the workpiece, the air intake mechanism is started to transport outside air into the cooling mechanism. The cooling mechanism is driven to rotate inside the vacuum sintering furnace body through the transmission mechanism. The air in the cooling mechanism is evenly transported into the vacuum sintering furnace body through the cooling mechanism. At the same time, the air can quickly contact the inside of the vacuum sintering furnace body. Simultaneously, the exhaust mechanism is started to discharge the air after heat exchange, thereby achieving rapid cooling of the vacuum sintering furnace body. During the air circulation inside the vacuum sintering furnace body, the fixing mechanism fixes the workpiece to prevent the air from moving the workpiece during cooling.

[0017] 1. This utility model uses an air intake mechanism to deliver air into the cooling mechanism, and a transmission mechanism to drive the cooling mechanism to rotate inside the vacuum sintering furnace body. At the same time, the cooling mechanism delivers air evenly into the vacuum sintering furnace body, allowing the air to quickly contact the interior of the vacuum sintering furnace body. Then, the exhaust mechanism discharges the air after heat exchange from the vacuum sintering furnace body, thus achieving rapid cooling of the vacuum sintering furnace body.

[0018] 2. This utility model places the workpiece on the base surface, and the bidirectional screw drives two clamping plates to clamp and fix the workpiece placed on the base surface, so as to prevent the air from moving the workpiece when cooling down.

[0019] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the utility model embodiments, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the bottom structure of this utility model;

[0023] Figure 3 This is a cross-sectional structural diagram of the present invention;

[0024] Figure 4 This is a schematic diagram of the cooling mechanism of this utility model;

[0025] Figure 5 This is a schematic diagram of the fixing mechanism structure of this utility model;

[0026] Figure 6 For the present utility model Figure 3 Enlarged structural diagram at point A in the middle.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Vacuum sintering furnace body; 2. Support frame; 3. Air inlet mechanism; 301. Air inlet pipe; 302. Air pump; 4. Cooling mechanism; 401. Connecting plate; 402. Cooling pipe; 403. Cooling hole; 404. Transmission wheel; 5. Transmission mechanism; 501. Mounting plate; 502. Motor; 503. Gear; 6. Exhaust mechanism; 601. Exhaust pipe; 602. Air pump; 7. Fixing mechanism; 701. Base; 702. Vent hole; 703. Double-acting screw; 704. Clamping plate. Detailed Implementation

[0029] The technical solutions of the utility model embodiments will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the utility model.

[0030] In the description of this utility model, it should be understood that the terms "opening", "upper", "lower", "top", "middle", "inner", etc., which indicate orientation or positional relationship, are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.

[0031] Please see Figures 1-6 As shown, this utility model is a rapid cooling mechanism for a vacuum sintering furnace, including a vacuum sintering furnace body 1, an air inlet mechanism 3 is provided on the surface of the vacuum sintering furnace body 1, a cooling mechanism 4 is provided inside the vacuum sintering furnace body 1, a transmission mechanism 5 is provided at the transmission end of the cooling mechanism 4, an exhaust mechanism 6 is provided at one end of the vacuum sintering furnace body 1, a fixing mechanism 7 is installed inside the vacuum sintering furnace body 1, and the exhaust end of the air inlet mechanism 3 is connected to the air inlet end of the cooling mechanism 4.

[0032] The air intake mechanism 3 is used to deliver air into the cooling mechanism 4, the transmission mechanism 5 is used to drive the cooling mechanism 4 to rotate inside the vacuum sintering furnace body 1, the cooling mechanism 4 is used to deliver air into the vacuum sintering furnace body 1 for cooling, and the exhaust mechanism 6 is used to carry out the hot air inside the vacuum sintering furnace body 1.

[0033] The workpiece is placed on the surface of the fixing mechanism 7 to fix it. After the vacuum sintering furnace body 1 has finished heating the workpiece, the air intake mechanism 3 is started to deliver outside air into the cooling mechanism 4. The cooling mechanism 4 is driven to rotate inside the vacuum sintering furnace body 1 through the transmission mechanism 5. The air in the cooling mechanism 4 is evenly delivered into the vacuum sintering furnace body 1 through the cooling mechanism 4. At the same time, the air can quickly contact the inside of the vacuum sintering furnace body 1. At the same time, the exhaust mechanism 6 is started to discharge the air that has completed heat exchange through the exhaust mechanism 6, so as to achieve rapid cooling of the vacuum sintering furnace body 1. During the air circulation inside the vacuum sintering furnace body 1, the fixing mechanism 7 fixes the workpiece to prevent the air from moving the workpiece during cooling.

[0034] Air is delivered to the cooling mechanism 4 through the air intake mechanism 3. The transmission mechanism 5 drives the cooling mechanism 4 to rotate inside the vacuum sintering furnace body 1. At the same time, the cooling mechanism 4 delivers air evenly into the vacuum sintering furnace body 1. The air can quickly come into contact with the interior of the vacuum sintering furnace body 1. Then, the exhaust mechanism 6 discharges the air that has undergone heat exchange from the vacuum sintering furnace body 1, thereby achieving rapid cooling of the vacuum sintering furnace body 1.

[0035] In one embodiment, the air intake mechanism 3 includes an air intake pipe 301, one end of which is fixedly equipped with an air pump 302, and the other end of which is connected to the surface of the vacuum sintering furnace body 1.

[0036] Start the air pump 302, so that the air pump 302 drives the outside air through the air inlet pipe 301 to the vacuum sintering furnace body 1.

[0037] In one embodiment, the cooling mechanism 4 includes a connecting plate 401. The surface of the connecting plate 401 is arranged in a ring with a plurality of cooling tubes 402. One end of each cooling tube 402 is fixedly connected to a transmission wheel 404. The connecting plate 401 is hollow. Both the transmission wheel 404 and the connecting plate 401 are rotatably connected inside the vacuum sintering furnace body 1. The surface of each cooling tube 402 is provided with a plurality of cooling holes 403. The connecting plate 401 is slidably connected to one end of the air inlet pipe 301.

[0038] The drive wheel 404 and the connecting plate 401 are sealed at the rotating connection points with the vacuum sintering furnace body 1. The air pump 302 drives outside air to the air inlet pipe 301, and then the air in the air inlet pipe 301 reaches the connecting plate 401, and then reaches multiple cooling pipes 402 through the connecting plate 401. The air is discharged through multiple cooling holes 403 on the surface of the multiple cooling pipes 402 and comes into contact with the interior of the vacuum sintering furnace body 1. At the same time, the drive wheel 404 drives the multiple cooling pipes 402 and the connecting plate 401 to rotate inside the vacuum sintering furnace body 1, so as to deliver the air evenly into the interior of the vacuum sintering furnace body 1. At the same time, the air can quickly come into contact with the interior of the vacuum sintering furnace body 1.

[0039] In one embodiment, the transmission mechanism 5 includes a mounting plate 501, which is fixedly connected to the surface of the vacuum sintering furnace body 1. A motor 502 is fixedly mounted on one end of the mounting plate 501, and a gear 503 is fixedly connected to the output shaft of the motor 502. The surface of the gear 503 meshes with the surface of the transmission wheel 404.

[0040] Mounting plate 501 fixes motor 502. When motor 502 is started, motor 502 drives gear 503 to rotate, which in turn drives transmission wheel 404, which meshes with gear 503, to rotate inside vacuum sintering furnace body 1.

[0041] In one embodiment, the exhaust mechanism 6 includes an exhaust pipe 601, one end of which is fixedly installed at one end of the vacuum sintering furnace body 1, and the other end of which is fixedly installed with a vacuum pump 602.

[0042] Start the vacuum pump 602 to discharge the air that has undergone heat exchange inside the vacuum sintering furnace body 1 through the exhaust pipe 601, thereby achieving rapid cooling of the vacuum sintering furnace body 1.

[0043] In one embodiment, the fixing mechanism 7 includes a base 701, which is fixedly connected to the inside of the vacuum sintering furnace body 1. The base 701 has multiple ventilation holes 702 on its surface. Both ends of the base 701 are rotatably connected to bidirectional screws 703. Two clamping plates 704 are threadedly connected to both sides of the surface of the bidirectional screws 703, and the two clamping plates 704 are slidably connected to the surface of the base 701.

[0044] The workpiece is placed on the surface of the base 701. The double-acting screw 703 is rotated, causing the double-acting screw 703 to drive the two clamping plates 704 to slide relative to each other on the surface of the base 701. This causes both clamping plates 704 to move toward the surface of the workpiece and clamp it. The multiple ventilation holes 702 on the surface of the base 701 allow the workpiece to be cooled through the ventilation holes 702 when the vacuum sintering furnace body 1 is cooled. At the same time, the two clamping plates 704 fix the workpiece to prevent the air from moving the workpiece during cooling.

[0045] In one embodiment, for the vacuum sintering furnace body 1, a support 2 is fixedly connected to the bottom of the vacuum sintering furnace body 1, and both the air supply pump 302 and the air extraction pump 602 are fixedly installed on the surface of the support 2.

[0046] The bracket 2 provides stable support for the vacuum sintering furnace body 1, and also facilitates the fixed support for the air supply pump 302 and the air extraction pump 602.

[0047] Through the above technical solution, 1. The air pump 302 drives the outside air in, and then the air in the air inlet pipe 301 reaches the inside of the connecting plate 401, and then reaches the multiple cooling pipes 402 through the connecting plate 401. The air is discharged through the multiple cooling holes 403 opened on the surface of the multiple cooling pipes 402 and comes into contact with the inside of the vacuum sintering furnace body 1. At the same time, the transmission wheel 404 drives the multiple cooling pipes 402 and the connecting plate 401 to rotate inside the vacuum sintering furnace body 1, so as to evenly deliver the air into the inside of the vacuum sintering furnace body 1. At the same time, the air can quickly come into contact with the inside of the vacuum sintering furnace body 1.

[0048] 2. By placing the workpiece on the surface of the base 701, the bidirectional screw 703 drives the two clamping plates 704 to clamp and fix the workpiece placed on the surface of the base 701, so as to prevent the air from moving the workpiece when cooling down.

[0049] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0050] The preferred embodiments of the utility model disclosed above are merely illustrative of the utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the utility model, thereby enabling those skilled in the art to better understand and utilize it. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A rapid cooling mechanism for a vacuum sintering furnace, comprising a vacuum sintering furnace body (1), characterized in that, The surface of the vacuum sintering furnace body (1) is provided with an air inlet mechanism (3), the interior of the vacuum sintering furnace body (1) is provided with a cooling mechanism (4), the transmission end of the cooling mechanism (4) is provided with a transmission mechanism (5), one end of the vacuum sintering furnace body (1) is provided with an exhaust mechanism (6), the interior of the vacuum sintering furnace body (1) is provided with a fixing mechanism (7), and the exhaust end of the air inlet mechanism (3) is connected to the air inlet end of the cooling mechanism (4). The air intake mechanism (3) is used to deliver air into the cooling mechanism (4), the transmission mechanism (5) is used to drive the cooling mechanism (4) to rotate inside the vacuum sintering furnace body (1), the cooling mechanism (4) is used to deliver air into the vacuum sintering furnace body (1) for cooling, and the exhaust mechanism (6) is used to carry out the hot air inside the vacuum sintering furnace body (1).

2. The rapid cooling mechanism for a vacuum sintering furnace according to claim 1, characterized in that, The air intake mechanism (3) includes an air intake pipe (301), one end of which is fixedly equipped with an air pump (302), and the other end of which is connected to the surface of the vacuum sintering furnace body (1).

3. The rapid cooling mechanism for a vacuum sintering furnace according to claim 2, characterized in that, The cooling mechanism (4) includes a connecting plate (401), on the surface of which a plurality of cooling tubes (402) are arranged in a ring. One end of each cooling tube (402) is fixedly connected to a transmission wheel (404). The connecting plate (401) is hollow. The transmission wheel (404) and the connecting plate (401) are rotatably connected inside the vacuum sintering furnace body (1). A plurality of cooling holes (403) are provided on the surface of each cooling tube (402). The connecting plate (401) is slidably connected to one end of the air inlet pipe (301).

4. The rapid cooling mechanism for a vacuum sintering furnace according to claim 3, characterized in that, The transmission mechanism (5) includes a mounting plate (501), which is fixedly connected to the surface of the vacuum sintering furnace body (1). A motor (502) is fixedly mounted on one end of the mounting plate (501), and a gear (503) is fixedly connected to the output shaft of the motor (502). The surface of the gear (503) meshes with the surface of the transmission wheel (404).

5. The rapid cooling mechanism for a vacuum sintering furnace according to claim 2, characterized in that, The exhaust mechanism (6) includes an exhaust pipe (601), one end of which is fixedly installed at one end of the vacuum sintering furnace body (1), and the other end of which is fixedly installed with a vacuum pump (602).

6. The rapid cooling mechanism for a vacuum sintering furnace according to claim 1, characterized in that, The fixing mechanism (7) includes a base (701), which is fixedly connected to the inside of the vacuum sintering furnace body (1). The base (701) has multiple ventilation holes (702) on its surface. Both ends of the base (701) are rotatably connected to a bidirectional screw (703). Two clamping plates (704) are threadedly connected to both sides of the surface of the bidirectional screw (703). The two clamping plates (704) are slidably connected to the surface of the base (701).

7. The rapid cooling mechanism for a vacuum sintering furnace according to claim 5, characterized in that, The bottom of the vacuum sintering furnace body (1) is fixedly connected to a bracket (2), and the air supply pump (302) and the air extraction pump (602) are both fixedly installed on the surface of the bracket (2).

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