Combined large-depth well type nitriding furnace

Abstract

The utility model relates to the technical field of heat treatment, and particularly discloses a combined large-depth well type nitriding furnace. The furnace comprises an upper-section furnace body, a lower-section furnace body, an upper-section furnace cover and fan circulating system (1), an upper-section heating system and control (3), an upper-section air guide system (4), an upper and lower end interface and pressing device (7), a lower-section heating system and control (9), a lower-section air guide system (10), a lower-section furnace cover lifting and rotating device (12) and a lower-section furnace cover and fan circulating system (13). The upper-section furnace body and the lower-section furnace body are connected together through upper and lower end interfaces and a pressing device (7) for nitriding extra-long shaft workpieces; the lower-section furnace body is connected with a lower-section heating system and control system (9), a lower-section air guide system (10), a lower-section furnace cover lifting and rotating device (12) and a lower-section furnace cover and fan circulating system (13), and shaft workpieces with common lengths are nitrided. According to the utility model, shaft workpieces with extra-long and common lengths can be processed, and the requirements of deeper pit-type nitriding furnaces can be met.

Description

Technical Field

[0001] This utility model relates to the field of heat treatment technology, and more particularly to the field of deep-well nitriding furnaces. Background Technology

[0002] Currently, pit-type nitriding furnaces have reached a bottleneck due to limitations imposed by user site constraints and the inherent limitations of atmosphere circulation within the equipment itself. Deeper pit-type nitriding furnaces require deeper pits and higher workshop lifting heights for equipment installation and workpiece lifting. These limitations in pit depth and workshop height make deeper pit-type nitriding furnaces difficult to achieve.

[0003] However, the demand for nitriding of extra-long shaft-type workpieces is increasing, and there is a need for deeper pit-type nitriding furnaces in production practice. Utility Model Content

[0004] The technical problem this invention aims to solve is to meet users' needs for nitriding extra-long shaft workpieces and adapt to site requirements. The nitriding furnace adopts a two-section design, consisting of upper and lower sections. The lower section can function as a standalone unit, processing shafts of common lengths or slightly shorter shafts that constitute a large proportion of the workpiece. When the upper and lower sections are combined, they form a new unit capable of processing extra-long shaft workpieces.

[0005] To solve the above-mentioned technical problems, the present invention adopts a technical solution as follows: a combined deep well nitriding furnace, which includes: an upper furnace body, a lower furnace body, an upper furnace cover and a fan circulation system (1), an upper heating system and control (3), an upper air guiding system (4), upper and lower end interfaces and clamping devices (7), a lower heating system and control (9), a lower air guiding system (10), a lower furnace cover lifting and rotating device (12), and a lower furnace cover and a fan circulation system (13);

[0006] The upper furnace body and the lower furnace body are connected together through the upper and lower end interfaces and the clamping device (7) for nitriding extra-long shaft workpieces. The upper furnace body is configured to connect the upper furnace cover and fan circulation system (1), the upper heating system and control (3), and the upper air guiding system (4). The lower furnace body is configured to connect the lower heating system and control (9) and the lower air guiding system (10).

[0007] The lower furnace body is configured to connect the lower heating system and control (9), the lower air guiding system (10), the lower furnace cover lifting and rotating device (12), and the lower furnace cover and fan circulation system (13), for nitriding ordinary length shaft workpieces.

[0008] Preferably, the upper furnace body is also equipped with a quick-connect junction box (6) for connecting the upper heating section.

[0009] Preferably, the upper furnace body is also equipped with an upper guide device (2).

[0010] Preferably, the lower furnace body is also equipped with a workpiece support and air guiding system (11).

[0011] Preferably, the combined deep well nitriding furnace further includes an upper section crane lifting device (14).

[0012] This utility model has the following beneficial effects:

[0013] This utility model of a combined deep pit nitriding furnace is equivalent to two pieces of equipment. It not only greatly expands the range of workpieces that can be processed, but also saves space, cost and energy, and greatly improves the utilization rate of the equipment.

[0014] This utility model of a combined deep pit nitriding furnace can process extra-long shaft-type workpieces and meet the requirements for deeper pit nitriding furnaces. Attached Figure Description

[0015] Figure 1 This is a front view structural diagram of an embodiment of the present utility model.

[0016] Figure 2 This is a side view of an embodiment of the present invention.

[0017] Explanation of reference numerals in the attached figures:

[0018] 1. Upper furnace cover and fan circulation system

[0019] 2. Upper guide device,

[0020] 3. Upper heating system and control

[0021] 4. Upper section air guiding system,

[0022] 5. Extra-long shaft-type workpieces,

[0023] 6. Upper section heating quick-connect junction box,

[0024] 7. Upper and lower end interfaces and clamping devices

[0025] 8. Shaft-type workpieces of ordinary length,

[0026] 9. Lower section heating system and control.

[0027] 10. Lower section air guiding system,

[0028] 11. Workpiece support and air guiding system

[0029] 12. Lower section furnace cover lifting and rotating device

[0030] 13. Lower section furnace cover and fan circulation system

[0031] 14. Upper section overhead crane lifting device. Detailed Implementation

[0032] The detailed description and technical content of this utility model are explained below with reference to the accompanying drawings. However, the drawings are provided for reference and illustration only and are not intended to limit this utility model.

[0033] like Figure 1 , Figure 2 As shown, a combined deep well-type nitriding furnace according to an embodiment of the present invention includes: an upper furnace body, a lower furnace body, an upper furnace cover and fan circulation system 1, an upper heating system and control 3, an upper air guiding system 4, upper and lower end interfaces and clamping devices 7, a lower heating system and control 9, a lower air guiding system 10, a lower furnace cover lifting and rotating device 12, and a lower furnace cover and fan circulation system 13.

[0034] The upper furnace body and the lower furnace body are connected together through upper and lower end interfaces and clamping device 7, and are used for nitriding extra-long shaft workpieces 5. The upper furnace body is equipped with an upper furnace cover and fan circulation system 1, an upper heating system and control system 3, and an upper air guiding system 4. The lower furnace body is equipped with a lower heating system and control system 9 and a lower air guiding system 10.

[0035] The lower section of the furnace body is equipped with a lower section heating system and control system 9, a lower section air guiding system 10, a lower section furnace cover lifting and rotating device 12, and a lower section furnace cover and fan circulation system 13, which are used for nitriding ordinary length shaft workpieces 8.

[0036] Workpieces with a length of less than 6 meters are classified as ordinary length shafts, while workpieces with a length exceeding 6 meters are classified as extra-long shafts.

[0037] The upper section of the furnace body is also equipped with an upper section guide device 2 and an upper section heating quick-connect junction box 6.

[0038] The lower section of the furnace body is also equipped with a workpiece support and air guide system 11.

[0039] This embodiment also includes an upper section crane lifting device 14, used to lift the upper section furnace body and other structures connected to the upper section furnace body.

[0040] This utility model relates to an operational description of a combined deep-well nitriding furnace:

[0041] Action 1: Assemble the upper section furnace cover and fan system 1, upper section heating and control 3, upper section air guiding system 4, and upper section heating quick-connect junction box 6 into the upper section as a whole;

[0042] Action 2: The lower furnace cover and fan circulation system 13 are lifted and rotated to the side stroke control point of the equipment by the lower furnace cover lifting and rotating device 12;

[0043] Action 3: Use the upper section crane lifting device 14 to lift the upper section as a whole, move it to directly above the upper and lower end interfaces and the clamping system 7, and above the upper section guide device 2; adjust the upper section as a whole to align with the upper section guide device 2, and lower it down along the upper section guide device 2 to the stroke control point.

[0044] Action 4: Inspect the upper section heating quick-connect junction box 6 and the control heavy-duty connector, connect all media pipelines, operate the clamping system in the upper and lower interfaces and clamping system 7 to clamp and secure the upper and lower interfaces. The upper and lower sections are now assembled and can proceed with subsequent process operations.

[0045] The above-described embodiments are merely preferred embodiments provided to fully illustrate the present invention, and the protection scope of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. A combined deep-well nitriding furnace, characterized in that, It includes: the upper section Furnace body, lower section furnace body, upper section furnace cover and fan circulation system (1), upper section heating system and control (3), upper section air guiding system (4), upper and lower end interfaces and clamping device (7), lower section heating system and control (9), lower section air guiding system (10), lower section furnace cover lifting and rotating device (12), lower section furnace cover and fan circulation system (13); The upper furnace body and the lower furnace body are connected together through the upper and lower end interfaces and the clamping device (7) for nitriding extra-long shaft workpieces. The upper furnace body is configured to connect the upper furnace cover and fan circulation system (1), the upper heating system and control (3), and the upper air guiding system (4). The lower furnace body is configured to connect the lower heating system and control (9) and the lower air guiding system (10). The lower furnace body is configured to connect the lower heating system and control (9), the lower air guiding system (10), the lower furnace cover lifting and rotating device (12), and the lower furnace cover and fan circulation system (13), for nitriding ordinary length shaft workpieces.

2. The combined deep-well nitriding furnace as described in claim 1, characterized in that, The upper section of the furnace body is also equipped with a quick-connect junction box (6) for connecting the upper section heating.

3. A combined deep-well nitriding furnace as described in claim 1 or 2, characterized in that, The upper section of the furnace body is also equipped with an upper section guide device (2).

4. The combined deep-well nitriding furnace as described in claim 1, characterized in that, The lower section of the furnace body is also equipped with a workpiece support and air guiding system (11).

5. The combined deep-well nitriding furnace as described in claim 1, characterized in that, It also includes the upper section crane lifting device (14).

Images