A gas heat treatment furnace with adjustable combustion chamber volume

Abstract

The utility model provides a kind of gas heat treatment furnace with adjustable combustion chamber volume, it is related to gas heat treatment furnace technical field, including heat treatment furnace body, the outer surface of heat treatment furnace body is fixedly connected with fixed frame, the outer surface of fixed frame is fixedly connected with motor, one end of motor is fixedly connected with screw rod, one end of screw rod is fixedly connected with bearing, the outer surface of screw rod is sleeved with moving plate, the outer surface of moving plate is fixedly connected with moving rod, the outer surface of moving rod is fixedly connected with moving top plate.The utility model, when needing to adjust combustion chamber volume, screw rod is rotated by motor, bearing is used to ensure that screw rod rotates more smoothly, since screw rod is connected with moving plate by screw thread, so it drives moving plate to move while screw rod rotates, moving rod is moved by the movement of moving plate, moving top plate is moved by the movement of moving rod, so as to adjust combustion chamber volume.

Description

Technical Field

[0001] This utility model relates to the field of gas-fired heat treatment furnace technology, and in particular to a gas-fired heat treatment furnace with adjustable combustion chamber volume. Background Technology

[0002] Gas-fired heat treatment furnaces are commonly used heat treatment equipment in metal processing, machinery manufacturing and other fields. They generate high temperatures through gas combustion to perform processes such as annealing, quenching and tempering on workpieces.

[0003] Existing gas-fired heat treatment furnaces typically employ a fixed-volume combustion chamber design, where the combustion chamber space is not adjustable. When processing small-sized workpieces or operating at low loads, the combustion chamber space is too large, resulting in uneven heat distribution and energy waste. Conversely, when processing large-sized workpieces, the combustion chamber space may be insufficient, affecting combustion completeness and temperature uniformity. Different heat treatment processes (such as annealing, normalizing, and quenching) have different requirements for temperature fields and combustion environments, making it difficult for fixed-volume combustion chambers to meet diverse needs. Utility Model Content

[0004] The purpose of this invention is to address the shortcomings of low thermal efficiency and poor process adaptability in the existing technology, and to provide a gas-fired heat treatment furnace with adjustable combustion chamber volume.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a gas-fired heat treatment furnace with adjustable combustion chamber volume, comprising a furnace body, a fixed frame fixedly connected to the outer surface of the furnace body, a motor fixedly connected to the outer surface of the fixed frame, a lead screw fixedly connected to one end of the motor, a bearing fixedly connected to one end of the lead screw, a movable plate sleeved on the outer surface of the lead screw, the movable plate being threadedly connected to the lead screw, a movable rod fixedly connected to the outer surface of the movable plate, a movable top plate fixedly connected to the outer surface of the movable rod, a fixed block fixedly connected to the outer surface of the movable top plate, a rotating rod fixedly connected to the outer surface of the fixed block, and a rotating plate sleeved on the outer surface of the rotating rod.

[0006] In a preferred embodiment, the outer surface of the rotating plate has two locking holes, the outer surface of the fixing block is provided with a pull plate, the outer surface of the pull plate is fixedly connected with a slide rod, the slide rod is slidably connected to the fixing block, and a spring is sleeved on the outer surface of the slide rod.

[0007] In a preferred embodiment, one end of the slide rod is fixedly connected to a locking block, one end of the spring is fixedly connected to a fixing block, the other end of the spring is fixedly connected to the locking block, and the locking hole engages with the locking block.

[0008] In a preferred embodiment, the bearing is placed inside the heat treatment furnace body and is fixedly connected to the heat treatment furnace body.

[0009] In a preferred embodiment, a sliding hole is provided on the outer surface of the heat treatment furnace body, and the moving rod is slidably connected to the sliding hole.

[0010] In a preferred embodiment, the movable top plate is slidably connected to the heat treatment furnace body.

[0011] In a preferred embodiment, the rotating plate is rotatably connected to the rotating rod.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] This invention ensures the normal operation of heat treatment through the furnace body. A fixed frame limits the lead screw, preventing it from wobbling. When adjustment of the combustion chamber volume is needed, a motor drives the lead screw to rotate, with bearings ensuring smooth rotation. Since the lead screw is threadedly connected to the moving plate, its rotation moves the moving plate, which in turn moves the moving rod, which in turn moves the top plate, thus adjusting the combustion chamber volume and improving thermal efficiency and process adaptability. For further adjustment, a rotating plate is rotated around the rotating rod. Attached Figure Description

[0014] Figure 1 A perspective view of a gas-fired heat treatment furnace with adjustable combustion chamber volume provided by this utility model.

[0015] Figure 2 A perspective view of the adjustment component of a gas-fired heat treatment furnace with adjustable combustion chamber volume provided by this utility model.

[0016] Figure 3 A cross-sectional view of a gas-fired heat treatment furnace with adjustable combustion chamber volume provided by this utility model.

[0017] Figure 4 A perspective view of the movable top plate of a gas-fired heat treatment furnace with adjustable combustion chamber volume provided by this utility model.

[0018] Figure 5 A cross-sectional view of the fixing block of a gas-fired heat treatment furnace with adjustable combustion chamber volume provided by this utility model.

[0019] Legend:

[0020] 1. Heat treatment furnace body; 2. Fixing frame; 3. Moving plate; 4. Motor; 5. Lead screw; 6. Moving rod; 7. Moving top plate; 8. Bearing; 9. Rotating plate; 10. Fixing block; 11. Rotating rod; 12. Locking hole; 13. Pull plate; 14. Slide rod; 15. Spring; 16. Locking block. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Example 1

[0023] like Figures 1-5 As shown, this utility model provides a technical solution: a gas-fired heat treatment furnace with adjustable combustion chamber volume, including a heat treatment furnace body 1, a fixed frame 2 fixedly connected to the outer surface of the heat treatment furnace body 1, a motor 4 fixedly connected to the outer surface of the fixed frame 2, a lead screw 5 fixedly connected to one end of the motor 4, a bearing 8 fixedly connected to one end of the lead screw 5, a movable plate 3 sleeved on the outer surface of the lead screw 5, the movable plate 3 being threadedly connected to the lead screw 5, a movable rod 6 fixedly connected to the outer surface of the movable plate 3, a movable top plate 7 fixedly connected to the outer surface of the movable rod 6, a fixed block 10 fixedly connected to the outer surface of the movable top plate 7, a rotating rod 11 fixedly connected to the outer surface of the fixed block 10, and a rotating plate 9 sleeved on the outer surface of the rotating rod 11.

[0024] In this embodiment, the heat treatment furnace body 1 ensures the normal operation of the heat treatment process. The fixing frame 2 limits the lead screw 5 to prevent it from shaking. When the combustion chamber volume needs to be adjusted, the motor 4 drives the lead screw 5 to rotate. The bearing 8 ensures smoother rotation of the lead screw 5. Since the lead screw 5 is threadedly connected to the moving plate 3, the moving plate 3 moves while the lead screw 5 rotates. The movement of the moving plate 3 moves the moving rod 6, which in turn moves the moving top plate 7, thereby adjusting the combustion chamber volume and improving thermal efficiency and process adaptability. When further adjustment of the combustion chamber volume is needed, the rotating plate 9 rotates around the rotating rod 11 to further adjust the combustion chamber volume. The fixing block 10 ensures that the rotating rod 11 will not fall off.

[0025] Example 2

[0026] like Figures 1-5As shown, the outer surface of the rotating plate 9 has two locking holes 12, the outer surface of the fixing block 10 is provided with a pull plate 13, the outer surface of the pull plate 13 is fixedly connected with a slide rod 14, the slide rod 14 is slidably connected to the fixing block 10, the outer surface of the slide rod 14 is sleeved with a spring 15, one end of the slide rod 14 is fixedly connected with a locking block 16, one end of the spring 15 is fixedly connected to the fixing block 10, the other end of the spring 15 is fixedly connected to the locking block 16, and the locking holes 12 and the locking blocks 16 are engaged.

[0027] In this embodiment, when further adjustment of the combustion chamber volume is required, the sliding rod 14 is moved inside the fixed block 10 by pulling the pull plate 13, which in turn moves the locking block 16. The movement of the locking block 16 compresses the spring 15, thereby separating the locking block 16 from the locking hole 12. Then, the rotating plate 9 is rotated. After the rotating plate 9 is perpendicular to the moving top plate 7, another locking hole 12 will align with the locking block 16. Then, by releasing the pull plate 13, the spring 15 rebounds and drives the locking block 16 to reset, thereby engaging the locking block 16 with the locking hole 12, completing the fixation of the rotating plate 9, and thus completing the adjustment of the combustion chamber volume.

[0028] Working principle:

[0029] like Figures 1-5 As shown, in this utility model, when adjusting the combustion chamber volume, the heat treatment furnace body 1 ensures the normal operation of the heat treatment process. The motor 4 is fixed by the fixing frame 2 to ensure that the motor 4 drives the lead screw 5 to rotate more stably. The motor 4 drives the lead screw 5 to rotate, the lead screw 5 drives the moving plate 3 to move, the moving plate 3 drives the moving rod 6 to move, and the moving rod 6 drives the moving top plate 7 to move, thereby adjusting the combustion chamber volume. When further adjustment of the combustion chamber volume is required, the pull plate 13 is pulled to move the slide rod 14 inside the fixing block 10. The slide rod 14 drives the locking block 16 to move. The movement of the locking block 16 compresses the spring 15, causing the locking block 16 to separate from the locking hole 12. Then, the rotating plate 9 is rotated. After the rotating plate 9 rotates to the appropriate position, the pull plate 13 is released, the spring 15 rebounds and drives the locking block 16 to reset. The locking block 16 engages with the locking hole 12, completing the fixing of the rotating plate 9, thereby completing the adjustment of the combustion chamber volume, improving thermal efficiency and process adaptability.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A gas-fired heat treatment furnace with adjustable combustion chamber volume, comprising a furnace body (1), characterized in that: A fixed frame (2) is fixedly connected to the outer surface of the heat treatment furnace body (1). A motor (4) is fixedly connected to the outer surface of the fixed frame (2). A lead screw (5) is fixedly connected to one end of the motor (4). A bearing (8) is fixedly connected to one end of the lead screw (5). A movable plate (3) is sleeved on the outer surface of the lead screw (5). The movable plate (3) is threadedly connected to the lead screw (5). A movable rod (6) is fixedly connected to the outer surface of the movable plate (3). A movable top plate (7) is fixedly connected to the outer surface of the movable top plate (7). A fixed block (10) is fixedly connected to the outer surface of the fixed block (10). A rotating rod (11) is fixedly connected to the outer surface of the fixed block (10). A rotating plate (9) is sleeved on the outer surface of the rotating rod (11).

2. The gas-fired heat treatment furnace with adjustable combustion chamber volume according to claim 1, characterized in that: Two locking holes (12) are provided on the outer surface of the rotating plate (9), and a pull plate (13) is provided on the outer surface of the fixing block (10). A slide rod (14) is fixedly connected to the outer surface of the pull plate (13). The slide rod (14) is slidably connected to the fixing block (10), and a spring (15) is sleeved on the outer surface of the slide rod (14).

3. A gas-fired heat treatment furnace with adjustable combustion chamber volume according to claim 2, characterized in that: One end of the slide rod (14) is fixedly connected to a locking block (16), one end of the spring (15) is fixedly connected to a fixing block (10), the other end of the spring (15) is fixedly connected to the locking block (16), and the locking hole (12) is engaged with the locking block (16).

4. A gas-fired heat treatment furnace with adjustable combustion chamber volume according to claim 1, characterized in that: The bearing (8) is placed inside the heat treatment furnace body (1) and is fixedly connected to the heat treatment furnace body (1).

5. A gas-fired heat treatment furnace with adjustable combustion chamber volume according to claim 1, characterized in that: The outer surface of the heat treatment furnace body (1) is provided with a sliding hole, and the moving rod (6) is slidably connected to the sliding hole.

6. A gas-fired heat treatment furnace with adjustable combustion chamber volume according to claim 1, characterized in that: The movable top plate (7) is slidably connected to the heat treatment furnace body (1).

7. A gas-fired process furnace having an adjustable combustion chamber volume as recited in claim 1, wherein: The rotating plate (9) is rotatably connected to the rotating rod (11).

Images