Tempering device

Abstract

The utility model discloses a tempering device. The tempering device comprises a rack, a feeding mechanism and a heating mechanism, the feeding mechanism is arranged on the rack and used for conveying materials. The heating mechanism is arranged on the rack and located on one side of the feeding mechanism. The heating mechanism comprises a furnace body, a heating assembly and a plurality of circulating assemblies. The furnace body is provided with a furnace cavity, the heating assembly is arranged on the lower portion of the furnace body, a part of structure of the feeding mechanism is arranged in the furnace cavity in a penetrating mode and located above the heating assembly, the heating assembly is used for heating materials on the feeding mechanism, and the circulating assemblies are sequentially arranged in the furnace body in the conveying direction of the feeding mechanism and located above the feeding mechanism. And the circulating assembly comprises a circulating air duct which is used for circulating furnace air in the furnace chamber. The hot air in the furnace chamber is circularly blown through the circulating air duct of the circulating assembly, and heat flow is driven to flow on the feeding mechanism, so that materials on the feeding mechanism are conveniently heated, and the materials are heated more uniformly.

Description

Technical Field

[0001] The utility model relates to the technical field of tempering devices, in particular to a tempering device. Background Art

[0002] Knitting needles require tempering during processing to improve their hardness and elasticity. However, conventional tempering furnaces have the following drawbacks: 1. It is difficult to maintain uniform tempering temperature, resulting in significant variations in needle performance; 2. Tempering requires high temperatures, resulting in high energy consumption. Utility Model Content

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a tempering device that can make the temperature in the furnace cavity of the tempering furnace uniform, thereby facilitating the tempering of materials.

[0004] According to the tempering device of an embodiment of the present invention, the tempering device includes:

[0005] frame;

[0006] A feeding mechanism, the feeding mechanism being arranged on the frame and being used for conveying materials;

[0007] A heating mechanism, the heating mechanism is arranged on the frame and on one side of the feeding mechanism, the heating mechanism includes a furnace body, a heating component and a circulation component;

[0008] The furnace body is provided with a furnace cavity, the heating component is provided in the lower half of the furnace body and is located below the furnace cavity, a part of the structure of the feeding mechanism is provided in the furnace cavity and is located above the heating component, the heating component is used to heat the material on the feeding mechanism, the circulation component is provided in the upper half of the furnace body, the circulation component is provided in the furnace body and is located above the feeding mechanism, and the circulation component is used to circulate the furnace air in the furnace cavity; and

[0009] A cooling mechanism is provided on the frame and is located at the other end of the heating mechanism. Part of the structure of the feeding mechanism is passed through the cooling mechanism, and the feeding mechanism feeds the material into the cooling mechanism for cooling.

[0010] The tempering device according to the embodiment of the present invention has at least the following beneficial effects: the hot air in the furnace cavity is circulated and blown through the circulating air duct of the circulating component, and the heat flow is driven to flow on the feeding mechanism, thereby facilitating the heating of the material on the feeding mechanism, and thus making the heating of the material more uniform; at the same time, the efficiency of tempering can be improved through uniform temperature, thereby reducing energy consumption and saving costs.

[0011] According to some embodiments of the present invention, a plurality of the circulation components are provided in the furnace cavity, and the plurality of the circulation components are arranged in sequence along the direction of conveying materials of the feeding mechanism. A plurality of temperature zones with different temperatures are provided in the furnace cavity, and the plurality of the circulation components are respectively provided in one-to-one correspondence with the plurality of the temperature zones.

[0012] According to some embodiments of the present invention, three circulation components and three temperature zones are provided in the furnace cavity, and the circulation components include:

[0013] a first driving member, the first driving member being arranged on an upper portion of the furnace body;

[0014] a first axial flow fan, the first axial flow fan being disposed in the furnace cavity and above the feeding mechanism, the output end of the first driving member being connected to the first axial flow fan, an air guide cover being provided on the outer side of the first axial flow fan, and the first axial flow fan being disposed in the air guide cover; and

[0015] The first guide plate is arranged on the air guide cover and is located on the outside of the air guide cover. The first guide plate is horizontally arranged in the furnace cavity. A circulating air duct is formed between the first guide plate and the feeding mechanism and between the first guide plate and the inner wall of the top end of the furnace cavity. The furnace air in the temperature zone circulates in the circulating air duct.

[0016] According to some embodiments of the present invention, the outer edge of the first guide plate is provided with a chamfer.

[0017] According to some embodiments of the present invention, the circulation component also includes multiple heating elements, and the multiple heating elements are arranged in the circulation air duct formed between the first guide plate and the inner wall of the top end of the furnace cavity, and the multiple heating elements are evenly arranged in the circulation air duct.

[0018] According to some embodiments of the present invention, the circulation component also includes a second guide plate, which is arranged in the circulation air duct and is arranged in a contour between the second guide plate and the circulation air duct, and the second guide plate divides the circulation air duct into multiple air ducts.

[0019] According to some embodiments of the present invention, the temperature zone includes a preheating zone, a heating zone and a constant temperature zone, and the preheating zone, the heating zone and the constant temperature zone are arranged in sequence along the direction of material transportation.

[0020] According to some embodiments of the present invention, the heating assembly includes a plurality of temperature-controllable heating tubes, and the heating tubes are evenly arranged along the conveying direction of the feeding mechanism.

[0021] According to some embodiments of the present invention, the furnace body further includes a thermal insulation layer, and the thermal insulation layer is wrapped around the outside of the furnace cavity.

[0022] According to some embodiments of the present invention, the cooling mechanism includes:

[0023] A cooling fan cover is provided on the frame and is located above the feeding mechanism, and the cooling fan cover is provided on the feeding mechanism;

[0024] a second driving member, the second driving member being disposed on the cooling fan cover, and

[0025] The second axial flow fan is arranged in the cooling fan cover and connected to the output end of the second driving member, and the second driving member drives the second axial flow fan to rotate.

[0026] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0028] Figure 1 A half-section schematic diagram of a tempering device according to an embodiment of the present invention;

[0029] Figure 2 for Figure 1 A schematic diagram of a top view of a tempering device is shown;

[0030] Figure 3 for Figure 1 An enlarged schematic diagram of the circulation components of the tempering device is shown;

[0031] Figure 4 for Figure 2 A half-section schematic diagram of the tempering device is shown.

[0032] Reference numerals:

[0033] Rack 10;

[0034] Feeding mechanism 20;

[0035] Heating mechanism 30; furnace body 31; furnace cavity 311; insulation layer 312; heating assembly 32; circulation assembly 33; circulation air duct 331; first driving member 332; first axial flow fan 333; first guide plate 334; heating member 335; second guide plate 336;

[0036] Cooling mechanism 40; cooling fan cover 41;

[0037] Exhaust mechanism 50;

[0038] Temperature zone 60; preheating zone 61; heating zone 62; temperature changing zone 63. DETAILED DESCRIPTION

[0039] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0040] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0041] In the description of this utility model, "several" means one or more, "many" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. The use of "first" and "second" in the description is solely for the purpose of distinguishing technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0042] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0043] Reference Figures 1 to 4According to the material tempering furnace of the embodiment of the present invention, the material tempering furnace includes a frame 10, a feeding mechanism 20, a heating mechanism 30, a cooling mechanism 40 and an exhaust mechanism 50. The feeding mechanism 20 is arranged on the frame 10, and the feeding mechanism 20 is used to transport materials; the heating mechanism 30 is arranged on the frame 10 and on one side of the feeding mechanism 20, and the heating mechanism 30 includes a furnace body 31, a heating component 32 and a circulation component 33; specifically, the furnace body 31 is provided with a furnace cavity 311, the heating component 32 is arranged in the lower half of the furnace body 31 and is located below the furnace cavity 311, part of the structure of the feeding mechanism 20 is passed through the furnace cavity 311 and is located above the heating component 32, the heating component 32 is used to heat the material on the feeding mechanism 20, and the circulation component 33 33 is arranged in the upper half of the furnace body 31, the circulation component 33 is arranged in the furnace body 31 and is located above the feeding mechanism 20, and the circulation component 33 is used for the circulation of furnace air in the furnace cavity 311; the cooling mechanism 40 is arranged on the frame 10 and is located at the other end of the heating mechanism 30, and part of the structure of the feeding mechanism 20 is passed through the cooling mechanism 40, and the feeding mechanism 20 feeds the material to the cooling mechanism 40 for cooling; the exhaust mechanism 50 is arranged on the frame 10 and is located at the inlet end of the heating mechanism 30, and the exhaust mechanism 50 is used to discharge the smoke generated in the heating mechanism 30.

[0044] The feed mechanism 20 in this tempering furnace apparatus is used to smoothly and accurately transport knitting needles from one process step to the next during the tempering process, ensuring the continuity and efficiency of the tempering process. Specifically, the feed mechanism 20 feeds the needle stock from the inlet end of the heating mechanism 30 into the heating mechanism 30 for tempering heating. Generally, the feed mechanism 20 may include a conveyor belt, specifically a metal mesh belt, which does not easily deform in the tempering furnace and facilitates heating of the knitting needle stock through the mesh belt. The feed mechanism 20 may also include a drive device, a tensioning device, a support device, and a guide device, etc. The specific details are not limited, as long as they can transport the knitting needle stock to the heating mechanism 30 for heating.

[0045] In the furnace body 31 of the heating mechanism 30, the conveyor belt of the feeding mechanism 20 is transported in the furnace cavity 311. A circulation component 33 is provided above the feeding mechanism 20, and a heating component 32 is provided below the feeding mechanism 20. The knitting needles and stock are transported on the feeding mechanism 20, and the heating component 32 below heats the knitting needles and stock. The circulation component 33 above drives the gas in the furnace cavity 311 to move, so that the gas in the furnace cavity 311 forms a furnace wind and blows in the furnace cavity 311, thereby making the temperature in the furnace cavity 311 more uniform, thereby making the knitting needles and stock heated more evenly, and thus making the performance of the knitting needles more uniform. In addition, the furnace wind in the furnace cavity 311 makes the knitting needles heat faster, thereby improving the efficiency of tempering, and can appropriately reduce the temperature required for tempering, thereby reducing energy consumption and saving costs.

[0046] Therefore, it can be imagined that the material tempering furnace according to the embodiment of the present invention has at least the following beneficial effects: the hot air in the furnace chamber 311 is circulated and blown through the circulation air duct 331 of the circulation component 33, and the heat flow is driven to flow on the feeding mechanism 20, thereby facilitating the heating of the material on the feeding mechanism 20, and thus making the heating of the material more uniform; at the same time, the efficiency of tempering can be improved through uniform temperature, thereby reducing energy consumption and saving costs.

[0047] Furthermore, in this embodiment, a cooling mechanism 40 can be further provided. The cooling mechanism 40 is provided at the end of the heating mechanism 30, i.e., the outlet end of the heating mechanism 30. The cooling mechanism 40 is used to cool the knitting needle material after being heated and tempered by the heating mechanism 30. It should be understood that during the tempering process of the knitting needle, a too fast cooling rate of the knitting needle may cause stress to be generated inside the knitting needle, while a too slow cooling rate of the knitting needle may reduce the hardness of the knitting needle. Therefore, in order to ensure that the knitting needle has a suitable cooling temperature after being heated by the heating mechanism 30, the cooling mechanism 40 can be utilized to ensure that the cooling rate of the knitting needle is not too slow due to no cooling, nor is it too fast due to excessively cold room temperature. Ultimately, the performance of the knitting needle after tempering is ensured to be stable, and the quality of the knitting needle is improved.

[0048] Specifically, in some embodiments, the cooling mechanism 40 may include a cooling fan cover 41, a second drive member, and a second axial fan. The cooling fan cover 41 is disposed on the frame 10 and above the feed mechanism 20. The cooling fan cover 41 is disposed on the feed mechanism 20. The second drive member is disposed on the cooling fan cover 41. The second axial fan is disposed within the cooling fan cover 41 and connected to the output end of the second drive member. The second drive member drives the second axial fan to rotate. The second drive member is specifically a motor. The second drive member drives the second axial fan to rotate, rapidly extracting heat from the feed mechanism 20 within the cooling mechanism 40 and away from the cooling mechanism 40, thereby achieving cooling. The cooling temperature can be adjusted by adjusting the speed of the second drive member. A faster speed extracts more heat per unit time, resulting in a better cooling effect. Conversely, a slower speed extracts less heat per unit time, resulting in a weaker cooling effect. The specific temperature can be adjusted based on the characteristics of the knitting needles and the material.

[0049] Of course, in addition to changing the rotational speed of the second driving member, the cooling temperature can also be adjusted by changing the direction of heat extraction, i.e., the heat dissipation direction, or by increasing the number of second driving members and second axial fans, which is not limited in this embodiment. Furthermore, it should be emphasized that, in addition to the above-described embodiments, the cooling mechanism 40 can also be a cooling mechanism 40 using water cooling, oil cooling, or other cooling methods. The specific form of the cooling mechanism 40 is also not limited, as long as it can cool the knitting needles and material.

[0050] Furthermore, in another embodiment of the present invention, the tempering furnace structure may also include an exhaust mechanism 50, which is disposed at the inlet end of the heating mechanism 30 and is used to exhaust smoke from the furnace chamber 311. Firstly, the exhaust mechanism 50 maintains a balanced atmosphere in the furnace chamber 311, preventing an imbalance in the atmosphere from affecting the tempering effect on the knitting needles and material. Secondly, the temperature within the furnace chamber 311 can be controlled. By properly designing the position and size of the exhaust port, the flow of air within the furnace can be controlled, achieving a more uniform temperature and improving the tempering effect. Thirdly, the exhaust mechanism 50 prevents smoke backflow and prevents the furnace chamber 311 from bursting.

[0051] Specifically, the exhaust mechanism 50 (not shown) may include an exhaust duct that communicates with the interior of the furnace chamber 311; an exhaust valve or exhaust port for exhausting flue gas; and a fan or induced draft fan for increasing the airflow velocity within the furnace to ensure that the exhaust gas is quickly and effectively exhausted. Sensors, control devices, and the like may also be provided, but are not specifically limited in this embodiment, as long as they can exhaust the flue gas from the furnace chamber 311.

[0052] Reference Figures 1 to 2 In some embodiments of the present invention, the furnace chamber 311 is provided with multiple circulation assemblies 33, which are arranged sequentially along the direction of material conveyance by the feed mechanism 20. The furnace chamber 311 is provided with multiple temperature zones 60 of varying temperatures, and the circulation assemblies 33 are provided in a one-to-one correspondence with each of the temperature zones 60. To ensure that the knitting needle material achieves the desired hardness and toughness, the heating mechanism 30 may be provided with multiple temperature zones 60 of varying temperatures, and each of the circulation assemblies 33 may be provided in a one-to-one correspondence with each of the temperature zones 60. The corresponding circulation assemblies 33 can then perform targeted furnace air circulation, facilitating the tempering process in each temperature zone 60.

[0053] Specifically, the temperature zone 60 includes a preheating zone 61, a heating zone 62, and a temperature-varying zone 63. These zones are arranged sequentially along the material conveying direction of the feed mechanism 20. The preheating zone 61, heating zone 62, and temperature-varying zone 63 are described in order: The preheating zone 61 is the first temperature zone 60 after the knitting material enters the heating mechanism 30. It is primarily used to gradually heat the knitting material from room temperature to the starting temperature for the tempering treatment. The purpose of the preheating zone 61 is to reduce the thermal stress generated by the rapid heating of the knitting material and to prepare it for subsequent entry into the higher temperature zone 60. The heating zone 62 is the high-temperature tempering zone. In this zone 62, the knitting material is heated to a higher temperature, typically close to or slightly below its critical temperature, to undergo austenitization or partial austenitization. High-temperature tempering helps refine the grain size, adjust the phase composition of the material, and lay the foundation for the subsequent cooling and tempering processes. After undergoing high-temperature tempering in the heating zone 62, the knitting needle material enters the temperature-varying zone 63 for further tempering. The temperature in this temperature zone 60 is typically lower, which is used to adjust the hardness and toughness of the knitting needles, help reduce residual stress within the knitting needle material, and improve its mechanical properties and service life.

[0054] In other embodiments, the variable temperature zone 63 may be configured with two sub-temperature zones 60 with different temperatures, depending on the type of knitting needle material. These sub-temperature zones 60 may include a medium-temperature tempering zone and a low-temperature tempering zone. The medium-temperature tempering zone is connected to the heating zone 62, while the low-temperature tempering zone is located downstream of the medium-temperature tempering zone along the material conveying direction. The medium-temperature tempering zone functions similarly to the variable temperature zone 63. After high-temperature tempering in the heating zone 62, the knitting needle material enters the medium-temperature tempering zone for further tempering. The temperature in this temperature zone 60 is typically lower, used to adjust the hardness and toughness of the knitting needles, and helps reduce residual stress within the knitting needle material, thereby improving its mechanical properties and service life. However, some knitting needle materials require a long aging treatment at a lower temperature to further stabilize their structure and properties. Therefore, the low-temperature tempering zone provided within the variable temperature zone 63 can help release residual stress within the knitting needle material and improve its dimensional stability and creep resistance.

[0055] It is conceivable that in the temperature-changing zone 63 , the temperature and the conveying speed can be adjusted specifically according to the required requirements of the knitting needle material to meet the tempering requirements of the knitting needle material.

[0056] Further, refer to Figures 1 to 4 In some embodiments of the present invention, the oven cavity 311 is provided with three circulation components 33 and three temperature zones 60, namely a preheating zone 61, a heating zone 62, and a variable temperature zone 63. The circulation component 33 includes a first drive member 332, a first axial flow fan 333, and a first guide plate 334.

[0057] Specifically, the first driving member 332 is arranged at the upper part of the furnace body 31; the first axial fan 333 is arranged in the furnace cavity 311 and is located above the feeding mechanism 20, the output end of the first driving member 332 is connected to the first axial fan 333, and an air guide cover is provided on the outer side of the first axial fan 333, and the first axial fan 333 is arranged in the air guide cover; the first guide plate 334 is arranged on the air guide cover and is located on the outer side of the air guide cover, and the first guide plate 334 is horizontally arranged in the furnace cavity 311, and a circulating air duct 331 is formed between the first guide plate 334 and the feeding mechanism 20 and between the first guide plate 334 and the inner wall of the top end of the furnace cavity 311, and the furnace air in the temperature zone 60 circulates in the circulating air duct 331.

[0058] The first drive member 332 is also a drive motor. It drives the second axial fan, causing it to propel air downward within the furnace chamber 311 toward the knitting needles and material on the feed mechanism 20. This airflow evenly heats the knitting needles and material. As the airflow approaches the feed mechanism 20, it is blocked by the feed mechanism 20 and blows in two directions, further ensuring uniform heating of the knitting needles and material. Next, when the airflow reaches the adjacent temperature zone 60, the airflows from the adjacent temperature zones 60 collide, changing their respective directions. The airflow then flows upward, back above the first deflector 334. After being guided by the first deflector 334, it ultimately returns to the upper end of the second axial fan, i.e., the entrance to the air guide hood. Finally, it is fanned again by the second axial fan and returns to the upper portion of the feed mechanism 20, thus forming a circulating airflow.

[0059] Furthermore, in some embodiments, the outer edge of the first guide plate 334 is provided with a chamfer. The chamfer is more conducive to the flow of the circulating airflow and can also reduce the impact of turbulence on the airflow.

[0060] Furthermore, in some embodiments of the present invention, the circulation assembly 33 also includes multiple heating elements 335. These heating elements 335 are disposed in the circulation duct 331 formed between the first guide plate 334 and the inner wall of the top end of the furnace chamber 311. The multiple heating elements 335 are evenly distributed in the circulation duct 331. When the circulating airflow flows through the heating elements 335, the heating elements 335 further heat the circulating airflow, maintaining the corresponding tempering temperature within the temperature zone 60. This prevents uneven tempering due to uneven temperatures. The heating elements 335 can be heating rods, heating plates, infrared heaters, graphite heaters, etc.

[0061] Reference Figure 3In some embodiments of the present invention, the circulation assembly 33 further includes a second deflector 336 disposed within the circulation duct 331 and arranged in a contoured manner between the second deflector 336 and the circulation duct 331. The second deflector 336 divides the circulation duct 331 into multiple air ducts. Specifically, one end of the second deflector 336 is located on one side of the heating element 335. This end of the second deflector 336 is arranged horizontally, consistent with the arrangement of the second deflector 336. The other end of the second deflector 336 is arranged vertically and located between the edge of the first deflector 334 and the partition provided between two adjacent temperature zones 60. The connection direction between the two ends of the second deflector 336 is consistent with the flow direction of the circulation duct 331. Therefore, the second deflector 336 divides the circulation duct 331, which has a larger opening, into two smaller air ducts, thereby reducing the cross-section of the circulation duct 331. The second guide plate 336 divides the original single circulating airflow into two or more smaller airflows, facilitating more even distribution of the circulating airflow. Furthermore, it can be used to direct the circulating airflow toward a section of the heating element 335. Multiple heating elements 335 can be used to heat the corresponding circulating airflows, achieving more uniform heating. Furthermore, the second guide plate 336 can be used to reduce the cross-section of the circulating air duct 331, thereby increasing the airflow velocity and improving heat transfer efficiency.

[0062] Reference Figure 1 as well as Figure 3 In some embodiments of the present invention, the heating assembly 32 includes multiple temperature-controllable heating tubes, which are evenly spaced along the conveying direction of the feed mechanism 20. The heating tubes are mounted at the bottom of the furnace cavity 311 and arranged parallel to and evenly spaced along the material conveying direction, thereby heating the knitting needles and material on the feed mechanism 20 throughout the furnace cavity 311. In other embodiments, the heating tubes can be replaced with heating plates, spiral heating elements, etc.

[0063] Further, refer to Figure 3 In some embodiments of the present invention, the furnace body 31 further includes an insulation layer 312, which is wrapped around the outside of the furnace cavity 311. The insulation layer 312 is used to insulate the furnace cavity 311, preventing heat loss and increased energy consumption. The insulation layer 312 can optionally be made of a ceramic fiber layer, refractory bricks, or high-temperature insulation wool. The insulation layer 312 can also be arranged in layers, in a filling-type arrangement, or in a composite arrangement. These are not specifically limited in this embodiment, as long as they can achieve thermal insulation of the tempering furnace.

[0064] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A tempering device, characterized in that: include: frame; A feeding mechanism, the feeding mechanism being arranged on the frame and being used for conveying materials; A heating mechanism, the heating mechanism is arranged on the frame and on one side of the feeding mechanism, the heating mechanism includes a furnace body, a heating component and a circulation component; The furnace body is provided with a furnace cavity, the heating component is provided in the lower half of the furnace body and is located below the furnace cavity, a part of the structure of the feeding mechanism is provided in the furnace cavity and is located above the heating component, the heating component is used to heat the material on the feeding mechanism, the circulation component is provided in the upper half of the furnace body, the circulation component is provided in the furnace body and is located above the feeding mechanism, and the circulation component is used to circulate the furnace air in the furnace cavity; as well as A cooling mechanism is provided on the frame and is located at the other end of the heating mechanism. Part of the structure of the feeding mechanism is passed through the cooling mechanism, and the feeding mechanism feeds the material into the cooling mechanism for cooling.

2. A tempering device according to claim 1, characterized in that: A plurality of circulation components are arranged in the furnace cavity, and the plurality of circulation components are arranged in sequence along the direction of conveying materials of the feeding mechanism. A plurality of temperature zones with different temperatures are arranged in the furnace cavity, and the plurality of circulation components are arranged in one-to-one correspondence with the plurality of temperature zones.

3. A tempering device according to claim 2, characterized in that: The furnace cavity is provided with three circulation components and three temperature zones, and the circulation components include: a first driving member, the first driving member being arranged on an upper portion of the furnace body; a first axial flow fan, the first axial flow fan being disposed in the furnace cavity and above the feeding mechanism, the output end of the first driving member being connected to the first axial flow fan, an air guide cover being provided on the outer side of the first axial flow fan, and the first axial flow fan being disposed in the air guide cover; and The first guide plate is arranged on the air guide cover and is located on the outside of the air guide cover. The first guide plate is horizontally arranged in the furnace cavity. A circulating air duct is formed between the first guide plate and the feeding mechanism and between the first guide plate and the inner wall of the top end of the furnace cavity. The furnace air in the temperature zone circulates in the circulating air duct.

4. A tempering device according to claim 3, characterized in that: An outer edge of the first guide plate is provided with a chamfer.

5. A tempering device according to claim 3, characterized in that: The circulation component further includes a plurality of heating elements, which are arranged in the circulation air duct formed between the first guide plate and the inner wall of the top end of the furnace cavity, and the plurality of heating elements are evenly arranged in the circulation air duct.

6. A tempering device according to claim 3, characterized in that: The circulation component further includes a second guide plate, which is arranged in the circulation air duct and is arranged in a contour with the circulation air duct. The second guide plate divides the circulation air duct into a plurality of air ducts.

7. A tempering device according to claim 3, characterized in that: The temperature zones include a preheating zone, a heating zone, and a constant temperature zone, and the preheating zone, the heating zone, and the constant temperature zone are sequentially arranged along the direction of material conveying.

8. The tempering device according to claim 1, characterized in that: The heating assembly includes a plurality of temperature-controllable heating tubes, and the heating tubes are evenly arranged along the conveying direction of the feeding mechanism.

9. The tempering device according to claim 1, characterized in that: The furnace body further comprises a heat-insulating layer, which is wrapped around the outside of the furnace cavity.

10. The tempering device according to claim 1, characterized in that: The cooling mechanism comprises: A cooling fan cover is provided on the frame and is located above the feeding mechanism, and the cooling fan cover is provided on the feeding mechanism; a second driving member, the second driving member being disposed on the cooling fan cover, and The second axial flow fan is arranged in the cooling fan cover and connected to the output end of the second driving member, and the second driving member drives the second axial flow fan to rotate.

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