Heat treatment furnace with protective structure
By using ceramic fiber blankets and motor-driven rotating components in the heat treatment furnace, the problems of poor insulation and uneven heat distribution in traditional heat treatment furnaces have been solved, achieving more efficient energy utilization and uniform heating effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-03-31
AI Technical Summary
Traditional heat treatment furnaces have poor insulation performance, resulting in serious heat loss, which affects energy efficiency and safety. At the same time, uneven heat distribution affects the quality of workpieces.
Ceramic fiber blankets are used as the insulation layer, and a lifting assembly consisting of a rotating component driven by a second motor and a hydraulic cylinder is provided. Combined with an annular heating wire mesh and fan blades, the furnace body can be sealed and opened, and heat circulation is promoted.
It effectively reduces heat loss, lowers energy consumption, improves heat distribution uniformity, ensures consistent heating of workpieces, and enhances heat treatment quality and safety.
Smart Images

Figure CN224065901U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to heat treatment furnace equipment technical field, specifically, relate to a heat treatment furnace with protection structure. BACKGROUND
[0002] In the field of traditional heat treatment furnace, the common heat treatment furnace structure is relatively simple. Generally, only basic furnace body and heating device are provided, the heat insulation performance of the furnace body is poor, and a large amount of heat is easily lost to the surrounding environment, which not only causes energy waste, but also may adversely affect the surrounding equipment and operating personnel, such as the safety hazard caused by high temperature radiation. Moreover, the heat distribution in the traditional heat treatment furnace is usually uneven, and the heat treatment furnace does not have good heat insulation performance, which easily leads to uneven heating of the workpiece, affects the heat treatment quality, and causes differences in product performance.
[0003] In order to solve at least part of the above problems, a heat treatment furnace with protection structure is provided. CONTENT OF THE UTILITY MODEL
[0004] The technical problem to be solved by the utility model is to provide a heat treatment furnace with protection structure, which uses ceramic fiber blanket as a heat insulation layer to cover the furnace body. Compared with traditional heat insulation materials, the ceramic fiber blanket has low thermal conductivity, high temperature resistance and other characteristics, can effectively prevent the heat in the furnace from being lost to the outside, reduce energy consumption, and at the same time, reduce the temperature outside the furnace body, reduce the influence of heat radiation on the surrounding environment and personnel; by setting the rotating assembly driven by the second motor and the lifting assembly composed of the hydraulic cylinder, the sealing and opening operation of the cavity to the furnace opening can be easily realized. When the workpiece is put in or taken out, only the motor and the hydraulic cylinder need to be controlled, so that the cavity can be moved flexibly, the furnace opening is completely exposed, and the operation is convenient and fast.
[0005] A heat treatment furnace with protection structure, comprising a furnace body support, the furnace body support is connected with a furnace body, the furnace body is covered with a heat insulation layer outside, the furnace body is provided with a heating wire mesh arranged in a ring shape inside, the upper side of the furnace body is provided with a cavity, the upper side of the cavity is fixed with a reinforcing frame, the upper side of the reinforcing frame is fixed with a support, the support is fixed with a first motor, the output shaft of the first motor is fixedly connected with a rotating shaft, the rotating shaft is connected with the center of the upper side of the cavity, and the lower end of the rotating shaft is fixedly connected with a fan blade.
[0006] The support is connected with a lifting assembly, the lifting assembly is connected with a rotating assembly, and the rotating assembly is connected with a base.
[0007] As a further limitation of the technical solution, the furnace body is fixed on the base, the base is fixed with the furnace body support, one side of the base is fixedly provided with a fixed seat, the fixed seat is fixedly connected with the rotating assembly, the rotating assembly is a second motor, and the output shaft of the second motor is fixedly connected with the lifting assembly.
[0008] As a further limitation of this technical solution, the lifting assembly includes a hydraulic cylinder and a connecting frame, the output shaft of the second motor is fixedly connected to the housing of the hydraulic cylinder, the piston rod of the hydraulic cylinder is fixed to one end of the connecting frame, and the connecting frame is fixedly connected to the bracket.
[0009] As a further limitation of this technical solution, the heat insulation layer is a ceramic fiber blanket.
[0010] As a further limitation of this technical solution, the furnace body has an opening on its upper side, the cavity matches the opening, and the cavity has an opening on its lower side.
[0011] As a further limitation of this technical solution, a sealing ring is provided on the lower side of the cavity corresponding to the position on the upper side of the furnace body.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are:
[0013] Ceramic fiber blankets are used as the insulation layer to cover the furnace body. Compared with traditional insulation materials, ceramic fiber blankets have the characteristics of low thermal conductivity and high temperature resistance, which can effectively prevent the heat inside the furnace from being lost to the outside, reduce energy consumption, and at the same time reduce the external temperature of the furnace body, reducing the impact of heat radiation on the surrounding environment and personnel.
[0014] By incorporating a rotating assembly driven by a second motor and a lifting assembly consisting of a hydraulic cylinder, the sealing and opening of the cavity relative to the furnace opening can be easily achieved. When placing or removing workpieces, simply controlling the motor and hydraulic cylinder allows for flexible movement of the cavity, fully exposing the furnace opening, enabling convenient and quick operation.
[0015] The furnace is equipped with a ring-shaped heating wire mesh and fan blades driven by a first motor. During the heating process, the fan blades rotate to promote the flow of hot air and form a heat circulation, which makes the heat distribution in the furnace more uniform, ensures that all parts of the workpiece are heated evenly, and effectively improves the heat treatment effect.
[0016] A sealing ring is installed on the lower side of the cavity corresponding to the furnace opening. When the furnace is sealed, it can further prevent heat leakage, enhance the heat insulation effect, and prevent external cold air from entering the furnace and interfering with the heat treatment process, thus ensuring the stability of the heat treatment environment. Attached Figure Description
[0017] The accompanying drawings, which are included to provide a further understanding of this application and form part of this application, illustrate exemplary embodiments and are used to explain this application, but do not constitute an undue limitation of this application. Obviously, the drawings described below are merely some embodiments of this utility model, and those skilled in the art can obtain other drawings based on these drawings without creative effort. In the drawings:
[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 1 ;
[0019] Figure 2 This is a cross-sectional view of the three-dimensional structure of the present invention. Figure 1 ;
[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the present invention. Figure 2 ;
[0021] Figure 4 This is a cross-sectional view of the three-dimensional structure of the present invention. Figure 2 .
[0022] In the diagram: 1. First motor; 2. Bracket; 3. Connecting frame; 4. Fixing base; 5. Furnace body; 501. Insulation layer; 6. Furnace body bracket; 7. Base; 8. Cavity; 9. Reinforcing frame; 10. Heating wire; 11. Fan blade; 12. Hydraulic cylinder; 13. Second motor; 14. Rotating shaft. Detailed Implementation
[0023] The following is in conjunction with the appendix Figures 1-4 The present invention will be further described in terms of the embodiments and implementation methods.
[0024] A heat treatment furnace with a protective structure includes a furnace body support 6 connected to a furnace body 5. The furnace body 5 is covered with a heat insulation layer 501. A ring-shaped heating wire mesh 10 is arranged inside the furnace body 5. A cavity 8 is provided on the upper side of the furnace body 5. A reinforcing frame 9 is fixed on the upper side of the cavity 8. A bracket 2 is fixed on the upper side of the reinforcing frame 9. A first motor 1 is fixed on the bracket 2. The output shaft of the first motor 1 is fixedly connected to a rotating shaft 14. The rotating shaft 14 is connected to the upper center of the cavity 8. A fan blade 11 is fixedly connected to the lower end of the rotating shaft 14.
[0025] The bracket 2 is connected to the lifting assembly, the lifting assembly is connected to the rotating assembly, and the rotating assembly is connected to the base 7.
[0026] In this embodiment, the furnace body 5 is sealed by the cavity 8. The output shaft of the first motor 1 rotates to drive the rotating shaft 14 to rotate, and the rotating shaft 14 drives the fan blade 11 to rotate, so as to realize the flow of hot air in the furnace body 5 and realize heat circulation. The support 2 can be lifted and lowered by the lifting component, thereby realizing the lifting and lowering of the cavity 8. The rotating component can drive the lifting component, the support 2 and the cavity 8 to rotate, so as to realize the opening and sealing of the furnace body 5.
[0027] As a further limitation of this technical solution, the furnace body 5 is fixed on the base 7, the base 7 is fixed to the furnace body support 6, a fixed seat 4 is fixedly provided on one side of the base 7, the fixed seat 4 is fixedly connected to the rotating component, the rotating component is the second motor 13, and the output shaft of the second motor 13 is fixedly connected to the lifting component.
[0028] As a further limitation of this technical solution, the lifting assembly includes a hydraulic cylinder 12 and a connecting frame 3. The output shaft of the second motor 13 is fixedly connected to the housing of the hydraulic cylinder 12, the piston rod of the hydraulic cylinder 12 is fixed to one end of the connecting frame 3, and the connecting frame 3 is fixedly connected to the bracket 2.
[0029] In this embodiment, the output shaft of the second motor 13 rotates to drive the lifting assembly and the cavity 8 to rotate. The cavity 8 covers the upper opening of the furnace body 5 to seal the furnace body 5. After the cavity 8 swings away, the furnace body 5 opens, making it convenient to put in and take out the workpiece that needs to be heat treated.
[0030] In this embodiment, the extension rod of the hydraulic cylinder 12 can drive the connecting frame 3 to rise and fall, thereby realizing the raising and lowering of the first motor 1 and the cavity 8.
[0031] As a further limitation of this technical solution, the heat insulation layer 501 is a ceramic fiber blanket.
[0032] Specifically, ceramic fiber blankets are used as insulation layer 501 to cover furnace body 5. Compared with traditional insulation materials, ceramic fiber blankets have the characteristics of low thermal conductivity and high temperature resistance, which can effectively prevent heat loss from the furnace to the outside, reduce energy consumption, and at the same time reduce the external temperature of furnace body 5, reducing the impact of heat radiation on the surrounding environment and personnel.
[0033] As a further limitation of this technical solution, the furnace body 5 has an opening on its upper side, the cavity 8 matches the opening, and the cavity 8 has an opening on its lower side.
[0034] As a further limitation of this technical solution, a sealing ring is provided on the lower side of the cavity 8 corresponding to the position on the upper side of the furnace body 5.
[0035] In this embodiment, the sealing ring can achieve better heat insulation and sealing.
[0036] The working process of this utility model is as follows:
[0037] During use, the extension rod of the hydraulic cylinder 12 extends, causing the cavity 8 and support 2 to move upward. The output shaft of the second motor 13 rotates, causing the lifting assembly and cavity 8 to rotate to one side, exposing the upper opening of the furnace body 5. The workpiece to be processed is placed into the furnace body 5. The output shaft of the second motor 13 rotates in the opposite direction to return to its original position. The extension rod of the hydraulic cylinder 12 retracts, causing the cavity 8 to move downward, sealing the furnace body 5. Then, the heating wire 10 is started for heating. The first motor 1 is started, driving the rotating shaft 14 and fan blades 11 to rotate. The rotation of the fan blades 11 realizes the flow of hot air, making the heat distribution in the furnace body 5 more uniform and the heat treatment effect better. After processing, the heating wire 10 is stopped, the first motor 1 is turned off, and the opening of the furnace body 5 is exposed, allowing the workpiece to be removed.
[0038] The above-disclosed embodiments are merely specific examples of this utility model. However, this utility model is not limited thereto, and any variations that can be conceived by those skilled in the art should fall within the protection scope of this utility model.
Claims
1. A heat treatment furnace having a protective structure, comprising a furnace body support (6), characterized in that, The furnace body support (6) is connected with the furnace body (5), the furnace body (5) is externally covered with a heat insulation layer (501), the furnace body (5) is internally provided with a ring-shaped heating wire (10) net, the upper side of the furnace body (5) is provided with a cavity (8), the upper side of the cavity (8) is fixedly provided with a reinforcing frame (9), the upper side of the reinforcing frame (9) is fixedly provided with a support (2), the support (2) is fixedly provided with a first motor (1), the output shaft of the first motor (1) is fixedly connected with a rotating shaft (14), the rotating shaft (14) is connected with the upper side center of the cavity (8), and the lower end of the rotating shaft (14) is fixedly connected with a fan blade (11). The support (2) is connected with a lifting assembly, the lifting assembly is connected with a rotating assembly, and the rotating assembly is connected with a base (7).
2. The heat treatment furnace having a protective structure according to claim 1, characterized by, The furnace body (5) is fixed on the base (7), the base (7) is fixed with the furnace body support (6), one side of the base (7) is fixedly provided with a fixed seat (4), the fixed seat (4) is fixedly connected with the rotating assembly, the rotating assembly is a second motor (13), and the output shaft of the second motor (13) is fixedly connected with the lifting assembly.
3. The heat treatment furnace having a protective structure according to claim 2, characterized by, The lifting assembly comprises a hydraulic cylinder (12) and a connecting frame (3), the output shaft of the second motor (13) is fixedly connected with the shell of the hydraulic cylinder (12), the piston rod of the hydraulic cylinder (12) is fixedly connected with one end of the connecting frame (3), and the connecting frame (3) is fixedly connected with the support (2).
4. The heat treatment furnace having a protective structure according to claim 3, characterized by, The heat insulation layer (501) is a ceramic fiber blanket.
5. The heat treatment furnace having a protective structure according to claim 4, characterized by, The furnace body (5) is provided with an opening on the upper side, the cavity (8) is matched with the opening, and the lower side of the cavity (8) is provided with an opening.
6. The heat treatment furnace having a protective structure according to claim 5, wherein The lower side of the cavity (8) is provided with a sealing ring corresponding to the position of the upper side of the furnace body (5).