A workpiece transfer heat insulation device with a multi-stage heat insulation curtain structure

Abstract

This application relates to a workpiece transfer heat insulation device with a multi-stage heat insulation curtain structure, belonging to the field of heat treatment equipment technology. It includes two main boards, a heat insulation curtain, four sets of partitions and four sets of sliding plates, four sets of frames, and a connecting plate. The connecting plate is slidably connected between the two main boards. Each of the two main boards has a groove at its bottom. A lead screw is mounted on the inner wall of each groove via a rotating shaft. Threaded blocks are threaded onto the surface of each lead screw. In this application, a drive motor rotates the lead screw, causing the threaded blocks to move the frames left and right, achieving stepless adjustment of the distance between the two sets of frames within a reasonable range. The gap can be reduced in the high-temperature zone to enhance heat radiation reflection; the gap can be increased in the transition zone to balance heat insulation and ventilation requirements, solving the problem that traditional fixed gaps cannot adapt to temperature gradients. Through the sliding connection between the connecting plate and the main boards, the two main boards can slide, allowing adjustment of the distance between the left and right sets of frames.

Description

Technical Field

[0001] This application relates to heat treatment equipment, and more particularly to a workpiece transfer insulation device with a multi-stage heat insulation curtain structure. Background Technology

[0002] During the heating and quenching processes of workpieces in heat treatment equipment, the workpiece transfer process needs to isolate the high-temperature zone from the outside at the furnace opening to prevent the large amount of heat loss in the furnace through thermal radiation and convection, thus ensuring the accuracy of the heat treatment process and reducing energy consumption. However, existing workpiece transfer insulation devices have significant defects in their thermal barrier design: when workpieces are transferred in a high-temperature environment, heat is easily lost through radiation and convection, leading to reduced heat treatment efficiency and energy waste.

[0003] Currently, most thermal insulation devices use single-layer high-temperature resistant thermal insulation curtains, such as ceramic fiber curtains. However, in heat treatment transmission scenarios, single-layer thermal insulation curtains have a low heat radiation blocking rate and cannot form an effective thermal insulation barrier. The fundamental reason is that single-layer curtains only achieve thermal insulation through the physical barrier of a single thermal insulation curtain. They lack multi-layer reflection and convection suppression design for heat radiation and cannot cope with the complex heat dissipation mechanism of high-temperature areas. The structure is simple but the thermal insulation effect is limited.

[0004] In response to the poor heat insulation effect of existing single-layer heat insulation curtains, this technology proposes a heat insulation curtain structure with adjustable curtain gaps. By dynamically adjusting the spacing between each curtain layer through a servo drive system, the gap is narrowed in the high-temperature zone to enhance heat reflection, and the gap is widened in the transition zone to balance ventilation. This can effectively solve the above problems and fill the gaps mentioned above. Utility Model Content

[0005] The purpose of this application is to provide a workpiece transfer heat insulation device with a multi-stage heat insulation curtain structure, which has the advantage of double-layer heat insulation and solves the problem of poor heat insulation effect.

[0006] This application provides a workpiece transfer heat insulation device with a multi-stage heat insulation curtain structure, which adopts the following technical solution: two main boards, heat insulation curtains, four sets of partitions and four sets of sliding plates, four sets of frames, and connecting plates. The connecting plates are slidably connected between the two main boards. The bottom of each of the two main boards has a groove. The inner walls of the opposite sides of the two grooves are provided with lead screws through rotating shafts. The surfaces of the two lead screws are threaded with threaded blocks. The two sets of frames are respectively fixedly connected to the bottom of the two sets of threaded blocks. The other two sets of frames are respectively fixedly connected to the bottom of the two main boards. Both sides of the two main boards are provided with drive motors. The output shafts of the two drive motors are respectively fixedly connected to the two sets of lead screws through rotating shafts. The four sets of partitions are respectively arranged in the four sets of frames, and multiple sets of heat insulation curtains are arranged at the bottom of the four sets of partitions.

[0007] By adopting the above technical solution, the drive motor drives the lead screw to rotate, which causes the threaded block to move the frame left and right, realizing stepless adjustment of the distance between the two sets of frames within a reasonable range. The gap can be reduced in the high-temperature zone to enhance heat radiation reflection; the gap can be increased in the transition zone to balance the needs of heat insulation and ventilation, solving the problem that the traditional fixed gap cannot adapt to the temperature gradient. Through the sliding connection between the connecting plate and the main plate, the two main plates can be slid, and the distance between the left and right sets of frames can be adjusted, which enhances the applicability to a certain extent and is suitable for the transmission path of workpieces of different lengths.

[0008] Preferably, each of the multiple sets of heat insulation curtains is provided with an aerogel felt, and each of the multiple sets of heat insulation curtains is provided with a counterweight at its bottom.

[0009] By adopting the above technical solution, the heat insulation curtain has built-in aerogel felt, which can effectively improve the thermal resistance compared with the traditional ceramic fiber curtain. In the high temperature zone, it can reduce the cooling rate of the workpiece. The bottom counterweight keeps the heat insulation curtain hanging vertically, avoiding the curtain from tilting due to airflow or workpiece collision, and ensuring the accuracy of gap adjustment.

[0010] Preferably, multiple springs are fixedly connected to the top of the inner wall of the four sets of frames, and the multiple springs are fixedly connected to the top of the partition.

[0011] By adopting the above technical solution, the spring at the top of the frame will elastically retract when the workpiece squeezes the curtain, avoiding the curtain from tearing due to hard collision. After the workpiece passes, the spring will automatically reset to maintain heat insulation and sealing.

[0012] Preferably, a limiting groove is provided on one side of each of the four sets of frames, and a sliding plate is slidably connected in the limiting groove, and the sliding plate is fixedly connected to one side of the partition.

[0013] By adopting the above technical solution, the limiting groove on the inner wall of the frame cooperates with the sliding plate to limit the lateral displacement of the partition during the adjustment process, ensure the parallelism of the multi-layer heat insulation curtain, and avoid heat radiation leakage due to misalignment.

[0014] Preferably, a connecting block is fixedly connected to the top of each of the two sets of motherboards, and the surface of the connecting block has multiple sets of threaded holes.

[0015] By adopting the above technical solution, the connecting block on the top of the motherboard is fixed to the steel beam on the top of the workshop or the ground foundation through the threaded hole. No additional bracket is required during installation, and it has strong adaptability.

[0016] Preferably, both sets of motherboards and connecting boards have locking holes on their surfaces, and locking pins are engaged in the locking holes.

[0017] By adopting the above technical solution, the motherboard and the connecting board are connected to the clips and the clips, and the disassembly of a single frame section can be completed in a short time, which is convenient for replacing the heat insulation curtain or repairing the drive system.

[0018] Preferably, both sides of the inner wall of the two sets of grooves are provided with sliding grooves, and a slider is slidably connected in the sliding grooves. The slider is fixedly connected to one side of the threaded block.

[0019] By adopting the above technical solution, the sliding grooves on both sides of the lead screw cooperate with the slider to limit the movement of the threaded block, making the movement of the threaded block more stable.

[0020] Preferably, the surface of the heat insulation curtain is provided with a transparent film, and the surface of the heat insulation curtain is provided with a silicone rubber composite coating.

[0021] By adopting the above technical solution, the silicone rubber composite coating on the surface of the heat insulation curtain forms an anti-fouling barrier. By setting a transparent film on the surface of the heat insulation curtain, the internal transmission can be observed through the transparent film.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. This workpiece transfer heat insulation device with a multi-stage heat insulation curtain structure uses a drive motor to rotate a lead screw, which in turn causes a threaded block to move the frame left and right. This allows for stepless adjustment of the distance between the two sets of frames within a reasonable range. The gap can be narrowed in the high-temperature zone to enhance heat radiation reflection, while the gap can be widened in the transition zone to balance heat insulation and ventilation requirements. This solves the problem that traditional fixed gaps cannot adapt to temperature gradients. Through the sliding connection between the connecting plate and the main plate, the two main plates can be slid to adjust the distance between the left and right sets of frames, thus enhancing applicability to a certain extent. It is suitable for workpiece transfer paths of different lengths. The main plate and the connecting plate are engaged with the locking pins through locking holes, allowing for the disassembly of a single frame section in a short time, facilitating the replacement of the heat insulation curtain or maintenance of the drive system.

[0024] 2. This workpiece transfer insulation device features a multi-stage thermal insulation curtain structure. The insulation curtain contains aerogel felt, which significantly improves thermal resistance compared to traditional ceramic fiber curtains. This reduces the cooling rate of the workpiece in high-temperature zones. A bottom counterweight keeps the insulation curtain vertically suspended, preventing it from tilting due to airflow or workpiece collisions and ensuring accurate gap adjustment. A spring at the top of the frame provides elastic relief when the workpiece squeezes the curtain, preventing tearing from hard impacts. The spring automatically resets after the workpiece passes, maintaining thermal insulation and sealing. A silicone rubber composite coating on the surface of the insulation curtain forms an anti-fouling barrier. A transparent film on the surface of the insulation curtain allows for observation of the internal transfer process. Attached Figure Description

[0025] Figure 1 This is a frontal sectional view of this application;

[0026] Figure 2 This is a schematic cross-sectional view of the thermal insulation curtain in this application;

[0027] Figure 3 This is a side view structural diagram of this application;

[0028] Figure 4 This is a schematic diagram of the structure viewed from below in this application;

[0029] Figure 5 for Figure 1 Enlarged structural diagram at point A in the middle.

[0030] In the diagram: 1. Main board; 2. Heat insulation curtain; 201. Aerogel felt; 202. Counterweight; 3. Spring; 4. Threaded block; 5. Lead screw; 6. Partition; 7. Slider; 8. Slide groove; 9. Drive motor; 10. Connecting block; 11. Threaded hole; 12. Connecting plate; 13. Locking hole; 14. Locking post; 15. Frame; 16. Groove; 17. Limiting groove; 18. Slide plate; 19. Transparent film. Detailed Implementation

[0031] The following is in conjunction with the appendix Figure 1 - Appendix Figure 5 This application will be described in further detail below.

[0032] Example 1: A workpiece conveying heat insulation device with a multi-stage heat-insulating curtain structure, referring to... Figure 1 , Figure 2 and Figure 3 The system includes two main boards 1, heat insulation curtains 2, four sets of partitions 6 and four sets of sliding plates 18, four sets of frames 15, and connecting plates 12. The connecting plates 12 are slidably connected between the two main boards 1. Each main board 1 has a groove 16 at its bottom. The inner walls of each groove 16 are fitted with lead screws 5 via rotating shafts. Threaded blocks 4 are threaded onto the surfaces of each lead screw 5. Two sets of frames 15 are fixedly connected to the bottoms of the two sets of threaded blocks 4. Two additional sets of frames 15 are fixedly connected to the bottoms of the two main boards 1. Drive motors 9 are located on both sides of each main board 1. The output shafts of the two drive motors 9 are fixedly connected to the two sets of lead screws 5 via rotating shafts. The four sets of... The partitions 6 are respectively set in the four sets of frames 15. The bottom of the four sets of partitions 6 is equipped with multiple sets of heat insulation curtains 2. The drive motor 9 drives the lead screw 5 to rotate, so that the threaded block 4 drives the frame 15 to move left and right, so that the distance between the two sets of frames 15 can be infinitely adjusted within a reasonable range. The gap can be reduced in the high temperature zone to enhance heat radiation reflection; the gap can be increased in the transition zone to balance the heat insulation and ventilation requirements, and solve the problem that the traditional fixed gap cannot adapt to the temperature gradient. Through the sliding connection between the connecting plate 12 and the main plate 1, the two main plates 1 can be slid, and the distance between the left and right sets of frames 15 can be adjusted, which enhances the applicability to a certain extent and is suitable for the transmission path of workpieces of different lengths.

[0033] Example 2: A workpiece conveying heat insulation device with a multi-stage heat-insulating curtain structure, referring to... Figure 2 , Figure 5Multiple sets of heat insulation curtains 2 are equipped with aerogel felt 201 inside. Each set of heat insulation curtains 2 has a counterweight 202 at its bottom. Multiple springs 3 are fixedly connected to the top of the inner walls of four sets of frames 15, and these springs 3 are fixedly connected to the top of the partition plate 6. Each of the four sets of frames 15 has a limiting groove 17 on one side, within which a sliding plate 18 is slidably connected. The sliding plate 18 is fixedly connected to one side of the partition plate 6. The heat insulation curtains 2, with their built-in aerogel felt 201, effectively improve thermal resistance compared to traditional ceramic fiber curtains, allowing for faster temperature reduction of the workpiece in high-temperature zones. The efficiency is reduced, and the bottom counterweight 202 keeps the heat insulation curtain 2 hanging vertically, preventing the curtain from tilting due to airflow or workpiece collision, and ensuring the accuracy of gap adjustment. The spring 3 at the top of the frame 15 elastically yields when the workpiece squeezes the curtain, preventing the curtain from tearing due to hard collision. After the workpiece passes, the spring 3 automatically resets to maintain heat insulation and sealing. The limiting groove 17 on the inner wall of the frame 15 cooperates with the sliding plate 18 to limit the lateral displacement of the partition 6 during the adjustment process, ensuring the parallelism of the multi-layer heat insulation curtain 2 and preventing heat radiation leakage due to misalignment.

[0034] Example 3: A workpiece conveying heat insulation device with a multi-stage heat-insulating curtain structure, referring to... Figure 1 and Figure 3 Both sets of main boards 1 are fixedly connected to the top of a connecting block 10. Multiple sets of threaded holes 11 are formed on the surface of the connecting block 10. Both sets of main boards 1 and the connecting plate 12 have locking holes 13 on their surfaces, with locking posts 14 engaged within the locking holes 13. Sliding grooves 8 are formed on both sides of the inner walls of both sets of grooves 16, with sliders 7 slidably connected within the sliding grooves 8. The sliders 7 are fixedly connected to one side of the threaded block 4. A transparent film 19 is provided on the surface of the heat insulation curtain 2, and a silicone rubber composite coating is provided on the surface of the heat insulation curtain 2. The connecting block 10 at the top of the main board 1 is connected to the workshop ceiling through the threaded holes 11. The steel beam or ground foundation is fixed, and no additional support is required during installation. It has strong adaptability. The main board 1 and the connecting plate 12 are connected to the locking post 14 through the locking hole 13. The single-section frame 15 can be disassembled in a short time, which is convenient for replacing the heat insulation curtain 2 or repairing the drive system. The sliding groove 8 on both sides of the screw 5 cooperates with the slider 7 to limit the threaded block 4, which can make the threaded block 4 move more stably. The silicone rubber composite coating on the surface of the heat insulation curtain 2 forms an anti-fouling barrier. By setting a transparent film 19 on the surface of the heat insulation curtain 2, the internal transmission can be observed through the transparent film 19.

[0035] The implementation principle of this application embodiment is as follows: In use, the device is first fixed to the steel beam at the top of the workshop or the ground foundation through the connecting block 10 and threaded hole 11 on the top of the main board 1 to ensure a stable connection. The connecting plate 12 is slidably connected between the two sets of main boards 1. The quick positioning of the main board 1 and the connecting plate 12 is achieved through the snap-fit ​​structure of the snap-fit ​​hole 13 and the snap-fit ​​post 14, which facilitates the adjustment of the distance between the left and right frames 15 according to the length of the workpiece transmission path. The drive motor 9 is started, and its output shaft drives the lead screw 5 to rotate. The threaded block 4 moves along the surface of the lead screw 5, thereby driving the frame 15 fixed at the bottom of the threaded block 4 to adjust left and right. At the same time, the frame 15 at the bottom of the connecting plate 12 moves synchronously, realizing stepless adjustment of the distance between the two sets of frames 15 within a reasonable range. The distance between the frames 15 can be reduced in high-temperature areas to enhance heat radiation reflection, and the distance can be increased in transition areas to balance the needs of heat insulation and ventilation. During the workpiece transmission process, the aerogel felt 201 built into the heat insulation curtain 2 plays a role. With low thermal conductivity, it effectively blocks heat loss. The bottom counterweight 202 ensures that the heat insulation curtain 2 is suspended vertically and maintains a stable heat insulation gap. When the workpiece passes through the heat insulation curtain 2 and squeezes the heat insulation curtain 2, the spring 3 at the top of the inner wall of the frame 15 drives the partition 6 to elastically retract, avoiding hard collision. After the workpiece passes, the spring 3 automatically resets to maintain heat insulation and sealing. The limiting groove 17 on one side of the frame 15 cooperates with the sliding plate 18 to limit the lateral displacement of the partition 6, ensuring that the multi-layer heat insulation curtain 2 is parallel and preventing heat radiation leakage. Routine observation can be carried out through the transparent film 19 on the surface of the heat insulation curtain 2. The silicone rubber composite coating forms an anti-fouling barrier to reduce dust and oil adhesion. If maintenance is required, the heat insulation curtain 2 can be quickly replaced or the drive system can be repaired by directly disassembling the locking column 14. The sliding groove 8 and slider 7 structure on both sides of the screw 5 can ensure that the threaded block 4 moves smoothly. At the same time, the reserved thermal expansion gap prevents the structure from jamming in high temperature environment, ensuring long-term stable operation of the device.

[0036] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.

Claims

1. A workpiece transfer heat insulation device with a multi-stage heat insulation curtain structure, comprising two main boards (1), heat insulation curtains (2), four sets of partitions (6), four sets of sliding plates (18), four sets of frames (15), and connecting plates (12), characterized in that: The connecting plate (12) is slidably connected between the two main boards (1). The bottom of the two main boards (1) is provided with a groove (16). The inner walls of the two grooves (16) are provided with screws (5) through a rotating shaft. The surfaces of the two screws (5) are threaded with threaded blocks (4). The two frames (15) are fixedly connected to the bottom of the two threaded blocks (4). The other two frames (15) are fixedly connected to the bottom of the two main boards (1). The two main boards (1) are provided with drive motors (9) on both sides. The output shafts of the two drive motors (9) are fixedly connected to the two screws (5) through a rotating shaft. The four partitions (6) are respectively set in the four frames (15). The bottom of the four partitions (6) is provided with multiple sets of heat insulation curtains (2).

2. The workpiece conveying heat insulation device with a multi-stage heat-breaking curtain structure according to claim 1, characterized in that: The multiple sets of heat insulation curtains (2) are provided with aerogel felt (201) inside, and the bottom of the multiple sets of heat insulation curtains (2) is provided with counterweight (202).

3. The workpiece conveying heat insulation device with a multi-stage heat-breaking curtain structure according to claim 1, characterized in that: Multiple springs (3) are fixedly connected to the top of the inner wall of the four sets of frames (15), and the multiple springs (3) are fixedly connected to the top of the partition (6).

4. The workpiece conveying heat insulation device with a multi-stage heat-breaking curtain structure according to claim 1, characterized in that: Each of the four sets of frames (15) has a limiting groove (17) on one side, and a sliding plate (18) is slidably connected in the limiting groove (17). The sliding plate (18) is fixedly connected to one side of the partition (6).

5. A workpiece conveying heat insulation device with a multi-stage heat-insulating curtain structure according to claim 1, characterized in that: Both sets of main boards (1) are fixedly connected to the top of a connecting block (10), and the surface of the connecting block (10) has multiple sets of threaded holes (11).

6. The workpiece conveying heat insulation device with a multi-stage heat-breaking curtain structure according to claim 1, characterized in that: Both sets of mainboard (1) and connecting board (12) have card holes (13) on their surfaces, and card posts (14) are engaged in the card holes (13).

7. The workpiece conveying heat insulation device with a multi-stage heat-insulating curtain structure according to claim 1, characterized in that: Both sides of the inner wall of the two sets of grooves (16) are provided with sliding grooves (8), and a slider (7) is slidably connected in the sliding groove (8). The slider (7) is fixedly connected to one side of the threaded block (4).

8. A workpiece conveying heat insulation device with a multi-stage heat-breaking curtain structure according to claim 1, characterized in that: The surface of the heat insulation curtain (2) is provided with a transparent film (19), and the surface of the heat insulation curtain (2) is provided with a silicone rubber composite coating.

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