Multi-layer stacked waste heat preheating type material heat treatment device

Abstract

The utility model provides a kind of multilayer stacking type waste heat preheating type material heat treatment device, including heating box, with the heating cavity of horizontal through;Heat insulation plate, horizontally set in heating cavity;Heat insulation plate separates and forms the heat treatment cavity of lower and the preheating cavity of upper in heating cavity;Conveying mechanism, it is equipped with two, two conveying mechanisms are with heating box interval arrangement, and respectively located the two ends of heating cavity, each conveying mechanism has the lifting portion of being movable along vertical direction and the push portion of being telescopic along the extension direction of heating cavity.The utility model provides a kind of multilayer stacking type waste heat preheating type material heat treatment device, by setting up the heating box with heating cavity, the heat insulation plate of separating heating cavity into preheating cavity and heat treatment cavity, and with the conveying mechanism of having lifting portion and push portion, realize the preheating of workpiece after workpiece in preheating cavity using heat treatment, then enter heat treatment cavity and carry out heat treatment again.Significantly reduce energy consumption cost, reduce environmental thermal pollution.

Description

Technical Field

[0001] This utility model belongs to the field of material heat treatment technology, specifically relating to a multi-layer stacked waste heat preheating material heat treatment device. Background Technology

[0002] Heat treatment is a process that involves heating, holding, and cooling a workpiece to alter its internal microstructure, thereby optimizing its mechanical properties (such as strength, hardness, and toughness) or imparting specific functions (such as wear resistance and corrosion resistance). Heat treatment preheating refers to the process of heating the workpiece to a certain temperature and holding it at that temperature before the formal heat treatment process. Its core purpose is to homogenize the microstructure, reduce thermal stress, and optimize subsequent processing performance.

[0003] In the prior art, when heat treating materials, in order to achieve low cost, easy operation and high adaptability, a robotic arm is usually used to place rectangular or cylindrical workpieces into equipment such as box furnaces or induction heating furnaces that do not require sealing for heat treatment. However, box furnaces and induction heating furnaces have significant waste of residual heat, which not only increases energy consumption costs, but may also cause environmental thermal pollution, and have poor adaptability and practicality. Utility Model Content

[0004] This utility model provides a multi-layer stacked waste heat preheating material heat treatment device, which aims to solve the problems of poor adaptability and practicality of existing heating equipment due to waste heat.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a multi-layer stacked waste heat preheating type material heat treatment device, comprising: The heating chamber has a horizontally continuous heating cavity; A heat insulation plate is horizontally installed inside the heating chamber; the heat insulation plate divides the heating chamber into a lower heat treatment chamber and an upper preheating chamber; The conveying mechanism is provided in two parts, each of which is spaced apart from the heating box and located at both ends of the heating cavity. Each conveying mechanism has a lifting part that can move in the vertical direction and a pushing part that can extend and retract in the extension direction of the heating cavity. The preheating chamber has a first inlet and a first outlet at each end, and the heat treatment chamber has a second inlet and a second outlet at each end. The first inlet is positioned above the second outlet, and the first outlet is positioned above the second inlet. Each workpiece is pushed sequentially into the first inlet by its corresponding pusher for preheating. Each workpiece exiting the first outlet is sequentially driven to the second inlet by its corresponding lifting member, and then pushed sequentially into the heat treatment chamber by its corresponding pusher for heat treatment. The workpieces exiting the second outlet are then sequentially moved to the first inlet by their corresponding lifting members, and then pushed sequentially into the preheating chamber by their corresponding pushers, so as to preheat the workpieces in the preheating chamber by the heat-treated workpieces.

[0006] In one possible implementation, the heating chamber includes: A heating base is horizontally positioned, and a heating element is provided inside the heating base; The housing body is fixed above the heating base, and both ends of the housing body have horizontally penetrating openings. The inner cavity of the housing body is the heating cavity.

[0007] In one possible implementation, each of the conveying mechanisms includes: A lifting structure is fixed on the heating box body. The lifting structure has a conveying platform that can move along the direction of the finger. The conveying platform is the lifting part. An adjustment structure is provided at intervals from the heating box body along the direction of the heating cavity, and the adjustment structure has an adjustment platform that can move along the direction of the finger. A pushing structure is fixed on the adjustment platform. The pushing structure has a pushing end that moves along the direction of the heating chamber. The pushing end is the top pushing part.

[0008] In one possible implementation, the extending direction of the heating cavity is defined as a first direction, and the direction perpendicular to and horizontal to the first direction is defined as a second direction. Each of the aforementioned lifting structures includes: The heating seat is provided in two, and the two connecting seats are spaced apart along the second direction. Each connecting seat is fixed on the heating seat. There are two lead screws, and the two lead screws are arranged one-to-one with the two connecting seats. Each lead screw is evenly arranged in the vertical direction, and each lead screw is rotatably connected to the corresponding connecting seat. The guide assembly is provided in two parts, and the two guide assemblies are arranged one-to-one with the two connecting seats. Each guide assembly is evenly arranged in the vertical direction, and the bottom end of each guide assembly is fixed on the corresponding connecting seat. A lifting plate is horizontally arranged, and the lifting plate is provided with threaded holes that mesh with each of the lead screws, and guide holes for each of the guide components to pass through in the vertical direction. The lifting plate is the lifting part. There are two drivers, each of which drives the corresponding lead screw to rotate.

[0009] In one possible implementation, each of the guide components includes two guide posts, which are horizontally spaced apart and each guide post is arranged in a vertical direction.

[0010] In one possible implementation, each of the adjustment structures includes: A scissor-type telescopic frame is provided at intervals from the heating box body along the direction of the heating cavity, and the scissor-type telescopic frame has a telescopic end that extends upward in the vertical direction; An adjustment plate is disposed on the telescopic end of the scissor-type telescopic frame, and the adjustment plate is the adjustment platform.

[0011] In one possible implementation, each of the pusher structures includes: A servo cylinder, wherein the fixed end of the servo cylinder is fixed to the corresponding adjustment plate, and the telescopic end of the servo cylinder extends toward the heating cavity along the extension direction of the heating cavity; A push plate, detachably connected to the telescopic end of the servo cylinder, is used to push the workpiece on the corresponding lifting plate into the heating chamber.

[0012] In one possible implementation, the push plate is provided with a plurality of V-shaped grooves, each of the V-shaped grooves being spaced apart along a direction perpendicular to and horizontal to the extension direction of the heating cavity, and each of the V-shaped grooves being used to maintain a certain distance between each workpiece.

[0013] In one possible implementation, the outer wall of the heating chamber is provided with a heat insulation layer.

[0014] In one possible implementation, the multi-layer stacked waste heat preheating material heat treatment device further includes multiple partition blocks, each partition block being spaced apart between two adjacent sets of workpieces, and each partition block comprising: A pusher block is provided corresponding to the V-groove and is used to push the pusher plate. A partition block is disposed below the push block, and both ends of the partition block along the extension direction of the heating cavity are provided with partition grooves; The push plate and the lifting plate are spaced apart, and the gap between the push plate and the lifting plate allows the partition block to pass through.

[0015] In this implementation, compared with existing technologies, by setting up a heating chamber with a heating cavity, an insulating plate that divides the heating cavity into a preheating cavity and a heat treatment cavity, and a conveying mechanism with lifting and pushing parts, the workpiece is preheated in the preheating cavity using the residual heat from the heat treatment cavity before entering the heat treatment cavity for heat treatment. This significantly reduces energy consumption costs, reduces environmental thermal pollution, and has good adaptability and practicality. Attached Figure Description

[0016] Figure 1 Schematic diagram of the structure of the multi-layer stacked waste heat preheating material heat treatment device provided in the embodiments of this utility model Figure 1 ; Figure 2 for Figure 1 Enlarged structural diagram at point A; Figure 3 A schematic diagram of the main structure of the partition block of the multi-layer stacked waste heat preheating material heat treatment device provided in an embodiment of this utility model. Figure 4 A top view of the partition block of the multi-layer stacked waste heat preheating material heat treatment device provided in this embodiment of the utility model; Figure 5 Schematic diagram of the structure of the multi-layer stacked waste heat preheating material heat treatment device provided in the embodiments of this utility model Figure 2 ; Explanation of reference numerals in the attached figures: 10. Heating chamber; 11. Heating seat; 12. Chamber body; 20. Insulation plate; 30. Conveying mechanism; 31. Lifting structure; 311. Connecting seat; 312. Lead screw; 313. Guide assembly; 3131. Guide column; 314. Lifting plate; 315. Driver; 32. Adjustment structure; 321. Scissor-type telescopic frame; 322. Adjustment plate; 33. Pushing structure; 331. Servo cylinder; 332. Push plate; 40. Partition block; 41. Pushing block; 42. Separator block. Detailed Implementation

[0017] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0018] It should be noted that the terms "length", "width", "height", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", and "tail" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element 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 this utility model.

[0019] It should also be noted that, unless otherwise explicitly specified and limited, terms such as "installation," "connection," "fixing," and "setting" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part of a structure. They can refer to a mechanical connection or an electrical connection. They can refer to a direct connection or an indirect connection through an intermediate medium, or the internal communication between two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0020] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Additionally, "multiple" and "several" mean two or more, unless otherwise explicitly specified.

[0021] Please refer to the following: Figures 1 to 5 The present invention provides a multi-layer stacked waste heat preheating material heat treatment device. The multi-layer stacked waste heat preheating material heat treatment device includes a heating chamber 10, a heat insulation plate 20, and a conveying mechanism 30. The heating chamber 10 has a horizontally penetrating heating cavity. The heat insulation plate 20 is horizontally disposed within the heating cavity. The heat insulation plate 20 divides the heating cavity into a lower heat treatment cavity and an upper preheating cavity. Two conveying mechanisms 30 are provided, each spaced apart from the heating chamber 10 and located at opposite ends of the heating cavity. Each conveying mechanism 30 has a lifting part that can move vertically and a pushing part that can extend and retract along the extension direction of the heating cavity.

[0022] The preheating chamber has a first inlet and a first outlet at each end, and the heat treatment chamber has a second inlet and a second outlet at each end. The first inlet is positioned above the second outlet, and the first outlet is positioned above the second inlet. Each workpiece is pushed sequentially into the first inlet by its corresponding pusher for preheating. Workpieces exiting the first outlet are sequentially moved to the second inlet by their corresponding lifting parts, and then pushed sequentially into the heat treatment chamber by their corresponding pushers for heat treatment. Workpieces exiting the second outlet are then sequentially moved to the first inlet by their corresponding lifting parts, and then pushed sequentially into the preheating chamber by their corresponding pushers, thus preheating the workpieces in the preheating chamber with the heat-treated workpieces.

[0023] The multi-layer stacked waste heat preheating material heat treatment device provided in this embodiment, compared with the prior art, achieves preheating of the workpiece in the preheating chamber using the waste heat of the workpiece after heat treatment, and then entering the heat treatment chamber for heat treatment, by setting up a heating box 10 with a heating chamber, a heat insulation plate 20 that divides the heating chamber into a preheating chamber and a heat treatment chamber, and a conveying mechanism 30 with a lifting part and a pushing part. This significantly reduces energy consumption costs, reduces environmental thermal pollution, and has good adaptability and practicality.

[0024] The working process of the multi-layer stacked waste heat preheating material heat treatment device provided in this embodiment is as follows: Through the arrangement of the preheating chamber and the heat treatment chamber, the workpiece is first pushed into the preheating chamber sequentially by the pusher located at the first inlet. When the workpiece is pushed sequentially to the first outlet, it is transported to the second inlet by the lifting part located at the first outlet. At this time, the workpiece is pushed sequentially into the heat treatment chamber for heat treatment by the pusher located at the second inlet. When the workpiece is pushed sequentially to the second outlet, it is transported back to the first inlet by the lifting part located at the second outlet. The jacking section located at the first inlet combines the heat-treated workpiece and the unpreheated workpiece transported by the robot and pushes them sequentially into the heat treatment chamber. The heat-treated workpiece preheats the unpreheated workpiece, and the unpreheated workpiece cools the heat-treated workpiece. When the preheated workpiece and the heat-treated and cooled workpiece are pushed sequentially to the second outlet, the robot arm transports the heat-treated and cooled workpiece away. The preheated workpiece is transported to the second inlet by the lifting section located at the first outlet, realizing the waste heat preheating cycle.

[0025] The multi-layer stacked waste heat preheating material heat treatment device provided in this embodiment can be used as follows: Figure 5 The structure shown. See also Figure 5The preheating chamber can accommodate both heat-treated and unpreheated workpieces simultaneously, while the heat treatment chamber can accommodate workpieces awaiting heat treatment. For example, each group of workpieces conveyed in the preheating chamber consists of two heat-treated workpieces and two unpreheated workpieces, while each group of workpieces conveyed in the heat treatment chamber consists of two workpieces awaiting heat treatment. The size of the preheating chamber can be twice the size of the heat treatment chamber, and the corresponding dimensions of the pusher can be adjusted to adapt to the dimensions of both the preheating and heat treatment chambers.

[0026] In some embodiments, the heating chamber 10 may be adopted as follows: Figure 2 The structure shown. See also Figure 2 The heating chamber 10 includes a heating base 11 and a chamber body 12. The heating base 11 is horizontally arranged and has a heating element inside. The chamber body 12 is fixed above the heating base 11, and both ends of the chamber body 12 have horizontally penetrating openings. The inner cavity of the chamber body 12 is a heating chamber.

[0027] The heating base 11 provides a stable mounting foundation for the heating element and facilitates its maintenance and replacement. The open design of the housing body 12 facilitates the entry and exit of workpieces and ensures smooth transfer of workpieces within the heating chamber. The separate structure of the heating base 11 and the housing body 12 also makes manufacturing and transportation more convenient, reducing production costs and transportation difficulties.

[0028] The heating element inside the heating base 11 can be replaced with different types of heating devices, such as resistance wire heating, electromagnetic induction heating, etc., and the appropriate heating method can be selected according to different heating requirements and workpiece characteristics.

[0029] In some embodiments, the conveying mechanism 30 described above may employ, for example... Figure 2 The structure shown. See also Figure 2 Each conveying mechanism 30 includes a lifting structure 31, an adjusting structure 32, and a pushing structure 33. The lifting structure 31 is fixed to the heating chamber 10 and has a conveying platform that can move along the direction of the heating chamber; the conveying platform is the lifting part. The adjusting structure 32 is spaced apart from the heating chamber 10 along the direction of the heating cavity; the adjusting structure 32 has an adjusting platform that can move along the direction of the heating chamber. The pushing structure 33 is fixed to the adjusting platform and has a pushing end that moves along the direction of the heating cavity; the pushing end is the pushing part.

[0030] The lifting structure 31 adjusts the vertical height of the workpiece, while the adjusting structure 32 adjusts the position of the pushing structure 33 according to actual needs. The pushing structure 33 is responsible for accurately pushing the workpiece into the heating chamber. This makes the workpiece transfer process more flexible and precise, adaptable to workpieces of different sizes and weights. For heavier workpieces, the position of the pushing structure 33 can be adjusted by the adjusting structure 32 to better push the workpiece. The lifting structure 31 can be adjusted accordingly for workpieces with different height requirements, ensuring smooth entry of the workpiece into the preheating and heat treatment chambers.

[0031] The lifting structure 31, adjusting structure 32, and pushing structure 33 can be implemented using different mechanical structures. For example, the lifting structure 31 can be a hydraulic lifting platform, the adjusting structure 32 can be a slide rail slider combined with an electric push rod, and the pushing structure 33 can be a chain drive combined with a push block. In some embodiments, the lifting structure 31 described above can be as follows: Figure 2 The structure shown. See also Figure 2 The direction in which the heating chamber extends is defined as the first direction, and the direction that is perpendicular to and horizontal to the first direction is defined as the second direction.

[0032] Each lifting structure 31 includes: a connecting seat 311, a lead screw 312, a guide assembly 313, a lifting plate 314, and a driver 315. Two connecting seats 311 are provided, spaced apart along a second direction, and each connecting seat 311 is fixedly mounted on the heating seat 11. Two lead screws 312 are provided, corresponding one-to-one with the two connecting seats 311, each lead screw 312 is uniformly arranged vertically, and each lead screw 312 is rotatably connected to its corresponding connecting seat 311. Two guide assemblies 313 are provided, corresponding one-to-one with the two connecting seats 311, each guide assembly 313 is uniformly arranged vertically, and the bottom end of each guide assembly 313 is fixedly mounted on its corresponding connecting seat 311. The lifting plate 314 is horizontally positioned and has threaded holes that mesh with each lead screw 312. The lifting plate 314 also has guide holes for each guide assembly 313 to pass through vertically. The lifting plate 314 is the lifting part. Two drivers 315 are provided, each driver 315 driving the corresponding lead screw 312 to rotate.

[0033] The lifting plate 314 achieves stable and precise lifting through the transmission of the lead screw 312 and the guiding action of the guide assembly 313. The lead screw 312 transmission boasts high transmission accuracy and efficiency, enabling precise control of the lifting height of the lifting plate 314 and ensuring accurate transfer of workpieces at different heights. The guide assembly 313 prevents the lifting plate 314 from shifting during lifting, improving the stability and reliability of the lifting structure 31. Two drivers 315 respectively drive the two lead screws 312 to rotate, making the lifting of the lifting plate 314 smoother and capable of carrying heavier workpieces, suitable for various workpiece transfer needs.

[0034] The lead screw 312 drive can be replaced by a rack and pinion drive. The guide assembly 313 can be a linear guide.

[0035] In some embodiments, the guide component 313 described above may employ, for example... Figure 2 The structure shown. See also Figure 2 Each guide component 313 includes two guide posts 3131, which are horizontally spaced apart and each guide post 3131 is arranged in the vertical direction.

[0036] The two guide columns 3131 provide stable guidance for the lifting plate 314, preventing it from tilting or swaying during lifting. At the same time, the guide columns 3131 facilitate maintenance and repair of the lifting structure 31. When the guide columns 3131 are worn or damaged, they can be easily replaced, ensuring the normal operation of the lifting structure 31.

[0037] The guide post 3131 can be replaced with other shaped guide components, such as guide rails, guide sleeves, etc. The number of guide posts 3131 can also be increased or decreased according to actual needs to meet different load-bearing and guiding requirements.

[0038] In some embodiments, the adjustment structure 32 described above can be as follows: Figure 2 The structure shown. See also Figure 2 Each adjustment structure 32 includes a scissor-type telescopic frame 321 and an adjustment plate 322. The scissor-type telescopic frame 321 is spaced apart from the heating chamber 10 along the direction of extension of the heating cavity, and the scissor-type telescopic frame 321 has a telescopic end that extends upward in the vertical direction. The adjustment plate 322 is disposed on the telescopic end of the scissor-type telescopic frame 321, and the adjustment plate 322 is an adjustment platform.

[0039] The position of the pusher structure 33 can be easily adjusted by extending and retracting the scissor-type telescopic frame 321 to accommodate the transfer of workpieces of different sizes and positions. This design allows the conveying mechanism 30 to better cooperate with the heating box 10, improving the overall adaptability and flexibility of the equipment. The scissor-type telescopic frame 321 has the advantages of compact structure and large extension range, and the height of the adjusting plate 322 can be flexibly adjusted according to actual needs.

[0040] The scissor-type telescopic frame 321 can be replaced with other telescopic structures, such as multi-stage hydraulic cylinder telescopic structures, electric telescopic rod structures, etc. The shape and material of the adjusting plate 322 can also be adjusted according to actual needs.

[0041] In some embodiments, the above-described pusher structure 33 may adopt the following... Figure 2 The structure shown. See also Figure 2 Each pushing structure 33 includes a servo cylinder 331 and a pusher plate 332. The fixed end of the servo cylinder 331 is fixed to the corresponding adjusting plate 322, and the telescopic end of the servo cylinder 331 extends towards the heating chamber along the extension direction of the heating chamber. The pusher plate 332 is detachably connected to the telescopic end of the servo cylinder 331 and is used to push the workpiece on the corresponding lifting plate 314 into the heating chamber.

[0042] The pusher plate 332 is detachably connected to the telescopic end of the servo cylinder 331, facilitating the replacement of the appropriate pusher plate 332 according to the shape and size of different workpieces, thus improving the equipment's adaptability to different workpieces. For workpieces with relatively smooth surfaces, the pusher plate 332 with an anti-slip structure can be replaced to better push the workpiece. For workpieces of different sizes, the size and shape of the pusher plate 332 can be adjusted to ensure that the workpiece can smoothly enter the heating chamber.

[0043] In some embodiments, the pusher plate 332 described above can be adopted as follows: Figure 2 The structure shown. See also Figure 2 The push plate 332 is provided with multiple V-shaped grooves. Each V-shaped groove is spaced apart in a direction that is perpendicular to and horizontal to the extension direction of the heating chamber. Each V-shaped groove is used to keep a certain distance between each workpiece.

[0044] Multiple V-grooves are provided on the pusher plate 332 to maintain a certain distance between workpieces during transport, preventing collisions and squeezing between them and protecting the workpiece surfaces from damage. This spacing also facilitates uniform heat transfer between workpieces, improving the effectiveness of heat treatment and preheating. During preheating, the distance between workpieces ensures that the hot air in the preheating chamber can fully contact the workpieces, resulting in uniform heating and improved preheating quality.

[0045] The V-groove can be replaced with other shapes of limiting structures to adapt to workpieces of different shapes.

[0046] In some embodiments, the heating chamber 10 may be adopted as follows: Figure 2 The structure shown. See also Figure 2 The outer wall of the heating box 10 is provided with a heat insulation layer.

[0047] Installing an insulation layer on the outer wall of the heating chamber 10 effectively reduces heat loss and improves energy efficiency. The insulation layer prevents heat from escaping from the heating chamber to the outside, allowing the heat to be better utilized for the heat treatment and preheating of the workpiece, thus reducing energy consumption. Reducing heat loss also helps improve the working environment and lowers the risk of operator injury due to high temperatures on the equipment surface.

[0048] In some embodiments, the above-described multi-layer stacked waste heat preheating type material heat treatment apparatus may employ, as follows: Figure 2 The structure shown. See also Figure 2 The multi-layer stacked waste heat preheating material heat treatment device also includes multiple partition blocks 40, each partition block 40 being spaced apart between two adjacent sets of workpieces. Each partition block 40 includes a pushing block 41 and a separating block 42. The pushing block 41 is correspondingly arranged with a V-shaped groove for being pushed by the push plate 332. The separating block 42 is located below the pushing block 41, and both ends of the separating block 42 along the extension direction of the heating chamber are provided with separating grooves.

[0049] The push plate 332 and the lifting plate 314 are spaced apart, and the gap between the push plate 332 and the lifting plate 314 allows the partition block 42 to pass through.

[0050] The partition block 40 separates adjacent sets of workpieces, preventing them from sticking together and interfering with each other during transport. The push block 41 of the partition block 40 corresponds to the V-groove of the push plate 332, facilitating the push plate 332 to push the partition block 40 and the workpiece, ensuring orderly transport. The partition grooves at both ends of the partition block 42 better engage with the workpiece, further fixing its position and preventing movement during transport. The gap between the push plate 332 and the lifting plate 314 allows the partition block 42 to pass through, enabling the partition block 40 to smoothly participate in the workpiece transport process, improving the stability and reliability of the equipment.

[0051] The partition block 40 is made of metal, and the material is selected according to the characteristics of the workpiece and the usage requirements.

[0052] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A multi-layer stacked waste heat preheating type material heat treatment device, characterized in that, include: The heating chamber has a horizontally continuous heating cavity; A heat insulation plate is horizontally installed inside the heating chamber; the heat insulation plate divides the heating chamber into a lower heat treatment chamber and an upper preheating chamber; The conveying mechanism is provided in two parts, each of which is spaced apart from the heating box and located at both ends of the heating cavity. Each conveying mechanism has a lifting part that can move in the vertical direction and a pushing part that can extend and retract in the extension direction of the heating cavity. The preheating chamber has a first inlet and a first outlet at each end, and the heat treatment chamber has a second inlet and a second outlet at each end. The first inlet is positioned above the second outlet, and the first outlet is positioned above the second inlet. Each workpiece is pushed into the first inlet by its corresponding pusher. Each workpiece exiting the first outlet is driven to the second inlet by its corresponding lifting member, and then pushed into the heat treatment chamber by its corresponding pusher for heat treatment. The workpiece exiting the second outlet is then moved to the first inlet by its corresponding lifting member, and then pushed into the preheating chamber by its corresponding pusher, so as to preheat the workpieces in the preheating chamber by the heat-treated workpieces.

2. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 1, characterized in that, The heating chamber includes: A heating base is horizontally positioned, and a heating element is provided inside the heating base; The housing body is fixed above the heating base, and both ends of the housing body have horizontally penetrating openings. The inner cavity of the housing body is the heating cavity.

3. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 2, characterized in that, Each of the aforementioned conveying mechanisms includes: A lifting structure is fixed on the heating box body. The lifting structure has a conveying platform that can move along the direction of the finger. The conveying platform is the lifting part. An adjustment structure is provided at intervals from the heating box body along the direction of the heating cavity, and the adjustment structure has an adjustment platform that can move along the direction of the finger. A pushing structure is fixed on the adjustment platform. The pushing structure has a pushing end that moves along the direction of the heating chamber. The pushing end is the top pushing part.

4. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 3, characterized in that, The extension direction of the heating cavity is defined as the first direction, and the direction that is perpendicular to and horizontal to the first direction is defined as the second direction; Each of the aforementioned lifting structures includes: The heating seat is provided in two, and the two connecting seats are spaced apart along the second direction. Each connecting seat is fixed on the heating seat. There are two lead screws, and the two lead screws are arranged one-to-one with the two connecting seats. Each lead screw is evenly arranged in the vertical direction, and each lead screw is rotatably connected to the corresponding connecting seat. The guide assembly is provided in two parts, and the two guide assemblies are arranged one-to-one with the two connecting seats. Each guide assembly is evenly arranged in the vertical direction, and the bottom end of each guide assembly is fixed on the corresponding connecting seat. A lifting plate is horizontally arranged, and the lifting plate is provided with threaded holes that mesh with each of the lead screws, and guide holes for each of the guide components to pass through in the vertical direction. The lifting plate is the lifting part. There are two drivers, each of which drives the corresponding lead screw to rotate.

5. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 4, characterized in that, Each of the guide components includes two guide posts, which are horizontally spaced apart and each guide post is arranged in a vertical direction.

6. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 4, characterized in that, Each of the aforementioned adjustment structures includes: A scissor-type telescopic frame is provided at intervals from the heating box body along the direction of the heating cavity, and the scissor-type telescopic frame has a telescopic end that extends upward in the vertical direction; An adjustment plate is disposed on the telescopic end of the scissor-type telescopic frame, and the adjustment plate is the adjustment platform.

7. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 6, characterized in that, Each of the aforementioned pusher structures includes: A servo cylinder, wherein the fixed end of the servo cylinder is fixed to the corresponding adjustment plate, and the telescopic end of the servo cylinder extends toward the heating cavity along the extension direction of the heating cavity; A push plate, detachably connected to the telescopic end of the servo cylinder, is used to push the workpiece on the corresponding lifting plate into the heating chamber.

8. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 7, characterized in that, The push plate is provided with a plurality of V-shaped grooves, each of which is spaced apart in a direction perpendicular to and horizontal to the extension direction of the heating cavity, and each of the V-shaped grooves is used to maintain a certain distance between each workpiece.

9. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 1, characterized in that, The outer wall of the heating box is provided with a heat insulation layer.

10. The multi-layer stacked waste heat preheating material heat treatment device as described in claim 8, characterized in that, The multi-layer stacked waste heat preheating material heat treatment device further includes multiple partition blocks, each partition block being spaced apart between two adjacent sets of workpieces, and each partition block comprising: A pusher block is provided corresponding to the V-groove and is used to push the pusher plate. A partition block is disposed below the push block, and both ends of the partition block along the extension direction of the heating cavity are provided with partition grooves; The push plate and the lifting plate are spaced apart, and the gap between the push plate and the lifting plate allows the partition block to pass through.

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