High-pressure gas quenching vacuum furnace for heat treatment of metal parts

Abstract

The utility model discloses a high-pressure gas quenching vacuum furnace for heat treatment of metal pieces. The high-pressure gas quenching vacuum furnace comprises a support frame; the bottom of the machining mechanism is fixedly connected with the top of the supporting frame, the machining mechanism comprises a high-pressure gas quenching vacuum furnace body, a fixing opening, a limiting ring and a cover plate, the right side of the top of the high-pressure gas quenching vacuum furnace body is fixedly connected with the fixing opening, and the top of the fixing opening is slidably connected with the limiting ring. The small air cylinder, the limiting plate, the cover plate, the nut, the screw, the fixing plate, the cooling plate, the L-shaped plate, the cooling fan and the connecting plate are used in cooperation, the small air cylinder is started to drive the limiting plate to move upwards, the limiting plate moves upwards to drive the cover plate to move upwards, the screw is detached through the nut, and the fixing plate is moved upwards to drive the fixing plate to be away from the cooling plate. And the fixing plate moves upwards to drive the L-shaped plate, the cooling fan and the connecting plate to move, so that the safety of the high-pressure gas quenching vacuum furnace is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of high-pressure gas quenching vacuum furnaces, in particular to a high-pressure gas quenching vacuum furnace for heat treatment of metal parts. Background Art

[0002] The high-pressure gas quenching vacuum furnace adopts a single horizontal type with graphite heater and hard graphite felt as the heat insulation screen, and a rear high-power quenching fan. The Fengdong high-pressure gas quenching vacuum furnace consists of a vacuum furnace body, a vacuum system, a water cooling system, a charging system, a starting system, a relay control system, etc. The gas quenching vacuum furnace has a visual operation interface, which is easy and simple to operate, and can switch freely between manual and automatic modes, and can achieve fully automatic control.

[0003] Patent Publication No.: CN215050522U. The utility model discloses a high-pressure gas quenching vacuum furnace for mold steel, comprising a furnace body, a furnace cavity is arranged in the furnace body, the furnace cavity comprises a heating chamber and a cooling chamber, a heating device is arranged in the heating chamber, the heating device comprises a plurality of heating nets, the heating nets are formed into a ring and fixed in the furnace cavity, the plurality of heating nets are distributed on the upper end surface of the heating chamber, a partition mechanism is arranged between the heating chamber and the cooling chamber, a cooling device is arranged in the cooling chamber, a conveying mechanism is arranged in both the heating chamber and the cooling chamber, the conveying mechanism is used to convey materials, a clamping device is arranged on the conveying mechanism, the clamping device is used to clamp materials, a steering mechanism is arranged on the clamping device, the steering mechanism is used to drive the clamping arm to rotate, and an air pressure regulating mechanism is arranged on the furnace body. The utility model has a reasonable structure, the heating device is concentrated at the upper end of the heating chamber, and the materials can be fully heated by continuously turning over the materials, thereby completing the heating of the materials.

[0004] However, during the use of existing high-pressure gas quenching vacuum furnaces, most of the sealing ports are fixed and difficult to open, and the temperature of the tank body itself is relatively high, making it difficult to cool down quickly. It may be dangerous when the staff takes out the furnace chamber, which reduces the safety of the high-pressure gas quenching vacuum furnace. Therefore, in view of the above problems, a high-pressure gas quenching vacuum furnace for heat treatment of metal parts is proposed. Utility Model Content

[0005] In order to solve the problems raised in the above-mentioned background technology, the purpose of the utility model is to provide a high-pressure gas quenching vacuum furnace for heat treatment of metal parts, which has the advantages of sealing and fast cooling. It solves the problem that most of the existing high-pressure gas quenching vacuum furnaces have fixed sealing ports that are not easy to open, and the temperature of the tank body itself is relatively high, which is not easy to cool quickly, and there may be danger when the staff takes out the furnace cavity.

[0006] To achieve the above purpose, the utility model provides the following technical solution: a high-pressure gas quenching vacuum furnace for heat treatment of metal parts, comprising:

[0007] Support frame;

[0008] A processing mechanism, wherein the bottom of the processing mechanism is fixedly connected to the top of the support frame, and the processing mechanism comprises a high-pressure gas quenching vacuum furnace body, a fixing port, a limiting ring and a cover plate, wherein the right side of the top of the high-pressure gas quenching vacuum furnace body is fixedly connected with the fixing port, the top of the fixing port is slidably connected with the limiting ring, and the top of the limiting ring is fixedly connected with the cover plate;

[0009] A cooling mechanism, wherein the bottom of the cooling mechanism is fixedly connected to the left side of the top of the high-pressure gas quenching vacuum furnace body, the cooling mechanism comprises a cooling plate, an L-shaped plate, a cooling fan and a fixed plate, the top of the cooling plate is slidably connected to the L-shaped plate, the inner side of the L-shaped plate is fixedly connected to the cooling fan, the top of the surface of the L-shaped plate is fixedly sleeved with a fixed plate, and the front end of the inner wall of the fixed plate is slidably connected to the front end of the cooling plate.

[0010] As a preferred embodiment of the present invention, the four corners of the bottom of the limiting ring are fixedly connected to a limiting plate, and the surface of the limiting plate is slidably connected to the inner cavity of the fixed port.

[0011] As a preferred embodiment of the present invention, a connecting plate is fixedly connected to the inner side of the cooling fan, and the connecting plate and the cooling fan are used in combination.

[0012] As a preferred embodiment of the present invention, the front end and the back end of the inner cavity of the cooling plate are both movably connected with screws through threads, and the front end of the screws penetrates to the front end of the fixing plate.

[0013] As a preferred embodiment of the present invention, a nut is fixedly connected to the front end of the screw, and the nut and the screw are used in combination.

[0014] As a preferred embodiment of the utility model, the four corners of the inner cavity of the fixing port are fixedly connected with small cylinders, and the top of the small cylinder passes through the top of the fixing port and is fixedly connected with the bottom of the limiting plate.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0016] 1. The utility model cooperates with a small cylinder, a limit plate, a cover plate, a nut, a screw, a fixed plate, a cooling plate, an L-shaped plate, a cooling fan and a connecting plate for use. The limit plate is driven to move upward by starting the small cylinder, and the limit plate moves upward to drive the cover plate to move upward. The screw is removed through the nut, and the fixed plate is moved upward to drive the fixed plate away from the cooling plate. The fixed plate moves upward to drive the L-shaped plate, the cooling fan and the connecting plate to move accordingly, thereby improving the safety of the high-pressure gas quenching vacuum furnace.

[0017] 2. The utility model can assist the movement of the limit ring by setting the limit plate, thereby avoiding shaking of the limit ring when it moves. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 For this utility model Figure 1 Schematic diagram of the three-dimensional structure of the medium and high pressure gas quenching vacuum furnace body;

[0020] Figure 3 For this utility model Figure 1 Schematic diagram of the three-dimensional explosion structure of the middle cooling plate;

[0021] Figure 4 For this utility model Figure 1 Schematic diagram of the three-dimensional explosion structure of the central fixed port.

[0022] In the figure: 1. Support frame; 2. Processing mechanism; 201. High-pressure gas quenching vacuum furnace body; 202. Fixing port; 203. Limiting ring; 204. Cover plate; 3. Cooling mechanism; 301. Cooling plate; 302. L-shaped plate; 303. Cooling fan; 304. Fixing plate; 4. Limiting plate; 5. Connecting plate; 6. Screws; 7. Nuts; 8. Small cylinder. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] like Figures 1 to 4 As shown, the utility model provides a high-pressure gas quenching vacuum furnace for heat treatment of metal parts, comprising:

[0025] Support frame 1;

[0026] The processing mechanism 2, the bottom of the processing mechanism 2 is fixedly connected to the top of the support frame 1, and the processing mechanism 2 includes a high-pressure gas quenching vacuum furnace body 201, a fixing port 202, a limiting ring 203 and a cover plate 204. The right side of the top of the high-pressure gas quenching vacuum furnace body 201 is fixedly connected with the fixing port 202, the top of the fixing port 202 is slidably connected with the limiting ring 203, and the top of the limiting ring 203 is fixedly connected with the cover plate 204;

[0027] The cooling mechanism 3 has a bottom portion fixedly connected to the left side of the top of the high-pressure gas quenching vacuum furnace body 201. The cooling mechanism 3 comprises a cooling plate 301, an L-shaped plate 302, a cooling fan 303 and a fixed plate 304. The top of the cooling plate 301 is slidably connected to the L-shaped plate 302. The inner side of the L-shaped plate 302 is fixedly connected to the cooling fan 303. The top of the surface of the L-shaped plate 302 is fixedly sleeved with the fixed plate 304. The front end of the inner wall of the fixed plate 304 is slidably connected to the front end of the cooling plate 301.

[0028] refer to Figure 4 The four corners of the bottom of the limiting ring 203 are fixedly connected to the limiting plate 4, and the surface of the limiting plate 4 is slidably connected to the inner cavity of the fixing port 202.

[0029] As a technical optimization solution of the present invention, the setting of the limit plate 4 can assist the movement of the limit ring 203, thereby avoiding shaking of the limit ring 203 when moving.

[0030] refer to Figure 3 A connecting plate 5 is fixedly connected to the inner side of the cooling fan 303 , and the connecting plate 5 and the cooling fan 303 are used in conjunction with each other.

[0031] As a technical optimization solution of the present invention, the connection plate 5 is provided to assist the cooling fan 303 in working, thereby avoiding instability when the cooling fans 303 on both sides are fixed.

[0032] refer to Figure 3 The front end and the back end of the inner cavity of the cooling plate 301 are both movably connected with screws 6 through threads, and the front end of the screw 6 penetrates to the front end of the fixing plate 304.

[0033] As a technical optimization solution of the present invention, the provision of the screws 6 can assist the cooling plate 301 in working, thereby preventing the fixing plate 304 from being unable to be fixed.

[0034] refer to Figure 3 The front end of the screw 6 is fixedly connected with a nut 7, and the nut 7 and the screw 6 are used in conjunction with each other.

[0035] As a technical optimization solution of the present invention, the nut 7 can assist the screw 6 in working, thus preventing the screw 6 from being difficult to operate manually.

[0036] refer to Figure 4 The four corners of the inner cavity of the fixed port 202 are fixedly connected with a small cylinder 8, and the top of the small cylinder 8 passes through the top of the fixed port 202 and the bottom of the limiting plate 4 and is fixedly connected.

[0037] As a technical optimization solution of the present invention, the small cylinder 8 is provided to assist the fixing port 202 in working, thereby preventing the limiting plate 4 from being unable to move longitudinally.

[0038] The working principle and use process of the utility model are as follows: when in use, the user starts the small cylinder 8 to drive the limit plate 4 to move upward, and the limit plate 4 moves upward to drive the cover plate 204 to move upward, removes the screw 6 through the nut 7, moves the fixing plate 304 upward to drive the fixing plate 304 away from the cooling plate 301, and the fixing plate 304 moves upward to drive the L-shaped plate 302, the cooling fan 303 and the connecting plate 5 to move accordingly, so that the cooling fan 303 can be repaired.

[0039] In summary: the high-pressure gas quenching vacuum furnace for heat treatment of metal parts solves the problem of existing high-pressure gas quenching vacuum furnaces, most of which have fixed sealing ports that are not easy to open, and the temperature of the tank body itself is relatively high, which is not easy to cool quickly, and there may be danger when the staff takes out the furnace cavity.

[0040] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high pressure gas quenching vacuum furnace for heat treatment of metal parts, characterized in that: include: Support frame (1); A processing mechanism (2), wherein the bottom of the processing mechanism (2) is fixedly connected to the top of the support frame (1), and the processing mechanism (2) comprises a high-pressure gas quenching vacuum furnace body (201), a fixing opening (202), a limiting ring (203) and a cover plate (204); the fixing opening (202) is fixedly connected to the right side of the top of the high-pressure gas quenching vacuum furnace body (201), the top of the fixing opening (202) is slidably connected to the limiting ring (203), and the top of the limiting ring (203) is fixedly connected to the cover plate (204); A cooling mechanism (3), wherein the bottom of the cooling mechanism (3) is fixedly connected to the left side of the top of the high-pressure gas quenching vacuum furnace body (201), the cooling mechanism (3) comprises a cooling plate (301), an L-shaped plate (302), a cooling fan (303) and a fixed plate (304), the top of the cooling plate (301) is slidably connected to the L-shaped plate (302), the inner side of the L-shaped plate (302) is fixedly connected to the cooling fan (303), the top of the surface of the L-shaped plate (302) is fixedly sleeved with the fixed plate (304), and the front end of the inner wall of the fixed plate (304) is slidably connected to the front end of the cooling plate (301).

2. The high pressure gas quenching vacuum furnace for heat treatment of metal parts according to claim 1, characterized in that: The four corners of the bottom of the limiting ring (203) are fixedly connected to the limiting plate (4), and the surface of the limiting plate (4) is slidably connected to the inner cavity of the fixing opening (202).

3. The high pressure gas quenching vacuum furnace for heat treatment of metal parts according to claim 1, characterized in that: A connecting plate (5) is fixedly connected to the inner side of the cooling fan (303), and the connecting plate (5) and the cooling fan (303) are used in conjunction with each other.

4. The high pressure gas quenching vacuum furnace for heat treatment of metal parts according to claim 1, characterized in that: The front end and the back end of the inner cavity of the cooling plate (301) are both movably connected to screws (6) via threads, and the front end of the screws (6) penetrates to the front end of the fixing plate (304).

5. The high pressure gas quenching vacuum furnace for heat treatment of metal parts according to claim 4, characterized in that: A nut (7) is fixedly connected to the front end of the screw (6), and the nut (7) and the screw (6) are used in conjunction with each other.

6. The high pressure gas quenching vacuum furnace for heat treatment of metal parts according to claim 1, characterized in that: The four corners of the inner cavity of the fixing port (202) are fixedly connected to small cylinders (8), and the top of the small cylinder (8) passes through the top of the fixing port (202) and is fixedly connected to the bottom of the limiting plate (4).

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