Annealing furnace for processing high-temperature bearing steel

By designing an annealing furnace with rotatable support discs and synchronous rotary drive parts, the problems of uneven heating and carbonized particles of high-temperature bearing steel in the prior art are solved, and more efficient annealing effect and effective collection of carbonized particles are achieved.

CN222821603UActive Publication Date: 2025-05-02冠县天本钢球制造有限公司
View PDF 0 Cites 1 Cited by

Patent Information

Application Number
CN202421445448.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-05-02
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

During the annealing process of high-temperature bearing steel, existing annealing furnaces have reduced annealing efficiency and effect due to uneven heating and the formation of carbonized particles.

Method used

An annealing furnace including a horizontal annealing furnace body, a heating chamber, a rotatable rotary shaft and a support disk are designed. The high-temperature bearing steel is rotated axially by rotating the support disk, and the synchronous rotation of multiple rotary shafts is achieved by combining the drive member, and carbonized particles are collected through the collection pallet.

Benefits of technology

The uniform heating of high-temperature bearing steel is achieved, the annealing efficiency and effect are improved, and the carbonized particles are effectively collected to avoid affecting the annealing process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222821603U_ABST
    Figure CN222821603U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of annealing furnaces, and particularly relates to an annealing furnace for processing high-temperature bearing steel, which comprises a horizontal annealing furnace body, a heating bin for heating the high-temperature bearing steel is arranged in the annealing furnace body, and a plurality of rotatable rotating shafts are arranged in the heating bin in parallel. A plurality of rotating shafts are arranged on the base, a plurality of supporting discs are arranged on each rotating shaft at equal intervals, a supporting area used for containing high-temperature bearing steel is formed between the tops of every two adjacent supporting discs, and the high-temperature bearing steel axially rotates in the supporting areas based on rotation. The high-temperature bearing steel can be driven to rotate through the multiple rotatable supporting discs, in the rotating process, carbonized particles are crushed when the high-temperature bearing steel makes contact with the supporting discs through the gravity of the high-temperature bearing steel, and therefore the high-temperature bearing steel can be evenly heated conveniently.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model belongs to the technical field of annealing furnaces, and in particular relates to an annealing furnace for processing high-temperature bearing steel. Background Art

[0002] An annealing furnace is required during the processing and production of high-temperature bearing steel, and the high-temperature bearing steel is annealed in the annealing furnace.

[0003] When using the existing annealing furnace, high-temperature bearing steel is directly placed into the heating chamber of the annealing furnace. The position of the high-temperature bearing steel in the heating chamber is relatively fixed, and the heating is uneven. In addition, carbonized particles are produced when the high-temperature bearing steel is heated, and a protective layer is formed on the outside of the high-temperature bearing steel, resulting in uneven distribution of heat on the high-temperature bearing steel, which greatly reduces the annealing efficiency and annealing effect of the high-temperature bearing steel. Utility Model Content

[0004] The purpose of the utility model is to provide an annealing furnace for high-temperature bearing steel processing, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an annealing furnace for processing high-temperature bearing steel, comprising: a horizontal annealing furnace body, a heating chamber for heating the high-temperature bearing steel is provided in the annealing furnace body, a plurality of rotatable shafts are arranged in parallel in the heating chamber, a plurality of support plates are arranged at equal distances on each of the shafts, a support area for placing the high-temperature bearing steel is formed between the tops of two adjacent support plates, and the high-temperature bearing steel is axially rotated in the support area based on rotation.

[0006] Preferably, a driving member for simultaneously rotating and driving a plurality of rotating shafts is also installed at the end of the annealing furnace body.

[0007] Preferably, the driving member includes a plurality of driven wheels and a driving wheel, the plurality of driven wheels are respectively mounted on the ends of a plurality of rotating shafts, a motor for rotational driving is provided on one side of the driving wheel, and a belt for connection is provided between the driving wheel and the plurality of driven wheels.

[0008] Preferably, a collecting tray for collecting carbonized particles is also provided below the plurality of support plates, and a connecting installation bin and a collecting bin are sequentially provided at the bottom of the heating bin from top to bottom, and the plurality of rotating shafts are rotatably installed in the installation bin, and the collecting tray is movably inserted in the collecting bin, and one end of the collecting tray extends to the outside of the annealing furnace body.

[0009] Preferably, a plurality of rollers for movement are further provided at the bottom of the collecting tray, and the plurality of rollers are all rolled and abutted against the bottom of the collecting bin.

[0010] Preferably, the annealing furnace body is further provided with a gate for sealing the feed port of the heating bin, and a slot extending into the heating bin is longitudinally opened at the top of one end of the annealing furnace body, and the gate is at least partially inserted in the slot.

[0011] Preferably, a plurality of heating components for heating are also provided on the inner wall of the heating chamber.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model adds a plurality of rotatable support disks, which can drive the high-temperature bearing steel to rotate. During the rotation, the high-temperature bearing steel is crushed by its own gravity when it contacts the support disks, thereby facilitating uniform heating of the high-temperature bearing steel.

[0014] (2) The utility model can simultaneously drive multiple rotating shafts to rotate by means of an additional driving member, thereby facilitating the rotational driving of multiple high-temperature bearing steels.

[0015] (3) The utility model adds a plurality of driven wheels and a driving wheel connected by belts. When the driving wheel rotates, the belts can drive the plurality of driven wheels to rotate, thereby facilitating the synchronous rotation of the plurality of rotating shafts.

[0016] (4) The utility model adds a collection tray, which facilitates the collection of generated carbonized particles. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a front view of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 It is a left view of the utility model;

[0020] Figure 4 It is a right view of the utility model;

[0021] Figure 5 This is a schematic diagram of the coordination of the rotating shaft, the supporting plate and the collecting tray of the utility model;

[0022] Figure 6 This is a first stereoscopic view of the rotating shaft and the supporting plate of the utility model;

[0023] Figure 7 The second stereoscopic view of the rotating shaft and the supporting plate of the utility model

[0024] In the figure: 1. Annealing furnace body; 2. Gate; 3. Driving wheel; 4. Belt; 5. Motor; 6. Driven wheel; 7. Rotating shaft; 8. Support plate; 9. Heating component; 10. Heating chamber; 11. Slot; 12. Mounting chamber; 13. Collection chamber; 14. Collection tray; 15. Roller. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] refer to Figure 1 and Figure 5-7 As shown, the utility model provides an annealing furnace for high-temperature bearing steel processing, comprising: a horizontal annealing furnace body 1, in which a heating chamber 10 for heating the high-temperature bearing steel is provided, a plurality of rotatable shafts 7 are arranged in parallel in the heating chamber 10, a plurality of support plates 8 are arranged at equal distances on each shaft 7, a support area for placing the high-temperature bearing steel is formed between the tops of two adjacent support plates 8, and the high-temperature bearing steel is axially rotated in the support area based on rotation.

[0027] As mentioned above, when using the annealing furnace body 1 provided by the utility model, multiple rotating shafts 7 rotate in parallel at the bottom of the heating chamber 10, and multiple high-temperature bearing steels are placed in sequence between adjacent multiple support plates 8. When the rotating shafts 7 rotate, the high-temperature bearing steels are driven to rotate through the support plates 8, thereby facilitating uniform heating of the high-temperature bearing steels.

[0028] Further, in order to avoid heat loss in the heating chamber 10, refer to Figure 1-2 As shown, the annealing furnace body 1 is also provided with a gate 2 for blocking the feed port of the heating bin 10, and a slot 11 extending into the heating bin 10 is longitudinally opened at the top of one end of the annealing furnace body 1, and the gate 2 is at least partially inserted into the slot 11. The slot 11 facilitates the gate 2 to be inserted into the feed port of the heating bin 10, and when the gate 2 is inserted into the slot 11, the heating bin 10 can be blocked to prevent the heat in the heating bin 10 from overflowing.

[0029] Further, in order to facilitate heating the space in the heating chamber 10, refer to Figure 2 and Figure 5 As shown, a plurality of heating components 9 for heating are also provided on the inner wall of the heating chamber 10. The space in the heating chamber 10 can be heated by the heating components 9, which are prior art and will not be described in detail.

[0030] In the present utility model, combined with Figure 1-2 and Figure 4 As shown, a driving member for simultaneously rotating and driving a plurality of rotating shafts 7 is also installed at the end of the annealing furnace body 1 of this embodiment.

[0031] Combination Figure 4 As shown, the driving member includes a plurality of driven wheels 6 and a driving wheel 3. The plurality of driven wheels 6 are respectively mounted on the ends of a plurality of rotating shafts 7. A motor 5 for rotational driving is provided on one side of the driving wheel 3. A belt 4 for connection is provided between the driving wheel 3 and the plurality of driven wheels 6.

[0032] As mentioned above, when using the driving member provided by the utility model, the motor 5 in the driving member provides rotational drive for the driving wheel 3, and the driving wheel 3 is connected to multiple driven wheels 6 by belt 4. When the motor 5 is started, the multiple driven wheels 6 are driven to rotate synchronously through the driving wheel 3 and belt 4, thereby facilitating the rotational drive of multiple rotating shafts 7, and then driving the high-temperature bearing steel between multiple adjacent support plates 8 to rotate synchronously.

[0033] In the present utility model, combined with Figure 2-3 and Figure 5 As shown, a collecting tray 14 for collecting carbonized particles is further provided below the multiple support plates 8 of the present embodiment, and a connecting installation bin 12 and a collecting bin 13 are sequentially provided at the bottom of the heating bin 10 from top to bottom, and multiple rotating shafts 7 are rotatably installed in the installation bin 12, and the collecting tray 14 is movably inserted in the collecting bin 13, and one end of the collecting tray 14 extends to the outside of the annealing furnace body 1.

[0034] As mentioned above, when using the collection tray 14 provided by the utility model, it is convenient to set the collection tray 14 under the multiple support plates 8 through the collection bin 13, and it is convenient to set the multiple rotating shafts 7 between the heating bin 10 and the collection bin 13 through the installation bin 12, so that the carbonized particles on the high-temperature bearing steel can fall into the collection tray 14.

[0035] Further, in order to facilitate the active pulling of the collection tray 14 in the collection bin 13, refer to Figure 2 As shown, the bottom of the collecting tray 14 is also provided with a plurality of rollers 15 for movement, and the plurality of rollers 15 are all rolled against the bottom of the collecting bin 13. The plurality of rollers 15 facilitate the collection tray 14 to be pushed into the collecting bin 13, and facilitate the collection tray 14 to be located below the plurality of support plates 8, so that the carbonized particles can be collected through the collection tray 14.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An annealing furnace for high temperature bearing steel processing, characterized in that: include: A horizontal annealing furnace body (1) is provided with a heating chamber (10) for heating high-temperature bearing steel, a plurality of rotatable shafts (7) are arranged in parallel in the heating chamber (10), a plurality of support plates (8) are arranged at equal distances on each of the shafts (7), a support area for placing the high-temperature bearing steel is formed between the tops of two adjacent support plates (8), and the high-temperature bearing steel is axially rotated in the support area based on rotation.

2. The annealing furnace for high temperature bearing steel processing according to claim 1, characterized in that: A driving member for simultaneously rotating and driving a plurality of rotating shafts (7) is also installed at the end of the annealing furnace body (1).

3. The annealing furnace for high temperature bearing steel processing according to claim 2, characterized in that: The driving member comprises a plurality of driven wheels (6) and a driving wheel (3), wherein the plurality of driven wheels (6) are respectively mounted on the ends of a plurality of rotating shafts (7), a motor (5) for rotational driving is provided on one side of the driving wheel (3), and a belt (4) for connection is provided between the driving wheel (3) and the plurality of driven wheels (6).

4. The annealing furnace for high temperature bearing steel processing according to claim 1, characterized in that: A collecting tray (14) for collecting carbonized particles is also provided below the plurality of support plates (8); a connecting installation bin (12) and a collecting bin (13) are provided in sequence at the bottom of the heating bin (10) from top to bottom; the plurality of rotating shafts (7) are rotatably installed in the installation bin (12); the collecting tray (14) is movably inserted in the collecting bin (13), and one end of the collecting tray (14) extends to the outside of the annealing furnace body (1).

5. The annealing furnace for high temperature bearing steel processing according to claim 4, characterized in that: The bottom of the collection tray (14) is also provided with a plurality of rollers (15) for movement, and the plurality of rollers (15) all roll and abut against the bottom of the collection bin (13).

6. The annealing furnace for high temperature bearing steel processing according to claim 1, characterized in that: The annealing furnace body (1) is also provided with a gate (2) for sealing the feed port of the heating bin (10); a slot (11) extending into the heating bin (10) is longitudinally opened at the top of one end of the annealing furnace body (1); and the gate (2) is at least partially inserted into the slot (11).

7. The annealing furnace for high temperature bearing steel processing according to claim 1, characterized in that: A plurality of heating components (9) for heating are also provided on the inner wall of the heating chamber (10).

Citation Information

Cited By

  • Heat treatment process of bearing outer ring

    CN120555717A