Large bearing outer ring heat treatment device

Abstract

The utility model relates to the technical field of bearing heat treatment, and discloses a large bearing outer ring heat treatment device which comprises a heat treatment bin, an adjusting screw rod arranged in the heat treatment bin and a driving motor used for driving the adjusting screw rod to rotate, and further comprises a bearing supporting rod arranged in a cavity of the heat treatment bin, and a connecting column fixedly arranged at the top of the bearing supporting rod, the multiple sets of bearing supporting rods are annularly distributed below the connecting column. The fluted disc part is fixedly arranged at the top of the connecting column, and a rack part in meshed connection with the fluted disc part is arranged on one side of the fluted disc part; the inserting stand columns are fixedly arranged at the bottoms of the bearing supporting rods. The bearing outer ring is supported through the annularly-distributed bearing supporting rods, the bearing supporting rods form an unclosed conical structure in a surrounding mode, stable supporting of the bearing outer ring can be achieved, clamping contact points of the bearing outer ring can be reduced, and therefore the heat treatment quality is improved, loading and unloading of the bearing outer ring are more convenient, and the heat treatment efficiency is improved. The heat treatment efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearing heat treatment, in particular to a large-scale bearing outer ring heat treatment device. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. According to the different friction properties of the moving elements, bearings can be divided into two categories: rolling bearings and sliding bearings. Rolling bearings generally consist of four parts: an outer ring, an inner ring, rolling elements and a cage. According to the shape of the rolling elements, rolling bearings are divided into two categories: ball bearings and roller bearings.

[0003] In order to better assemble the outer ring of the bearing during the bearing production process, the outer ring of the bearing is generally heated using a heat treatment process to increase the inner diameter of the outer ring of the bearing. The outer ring of the bearing is generally placed in the area to be heated by clamping. In order to ensure stable clamping, more clamping points are required, which blocks a large area of ​​the bearing and affects the quality of the heat treatment. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a large-scale bearing outer ring heat treatment device, which solves the problems mentioned in the above background.

[0005] The utility model provides the following technical solutions:

[0006] It includes: a heat treatment chamber, an adjusting screw arranged inside the heat treatment chamber, and a driving motor for driving the adjusting screw to rotate.

[0007] Also includes:

[0008] The bearing support rod is arranged in the cavity of the heat treatment chamber, the top of the bearing support rod is fixed with a connecting column, and multiple groups of bearing support rods are distributed in an annular manner below the connecting column;

[0009] The toothed disc part is fixedly arranged on the top of the connecting column, and a rack part meshingly connected with the toothed disc part is arranged on one side of the toothed disc part;

[0010] The plug-in columns are fixedly arranged at the bottom of the plurality of groups of bearing support rods, and the bottom of the plug-in columns is slidably plugged with a movable column which can move in the heat treatment chamber.

[0011] Furthermore, a displacement slot is provided at the bottom of the heat treatment chamber, an adjusting screw is placed in the slot of the displacement slot, and one end of the adjusting screw is rotatably connected to the inner wall of the slot of the displacement slot.

[0012] Furthermore, the bottom engagement sleeve of the movable column is arranged outside the adjusting screw, and the movable column moves radially along the groove of the displacement slot.

[0013] Furthermore, the surface of the bearing support rods is provided with support rod grooves distributed at intervals, and each group of bearing support rods has a V-shaped structure.

[0014] Furthermore, an operating platform is provided on one side of the heat treatment chamber, and a movable slot is provided on the top of the heat treatment chamber.

[0015] Furthermore, a functional chamber is provided on the top wall of the heat treatment chamber, and the toothed disc portion and the rack portion are both placed in a groove of the functional chamber.

[0016] Furthermore, heating components are installed on the upper and lower inner walls of the heat treatment chamber.

[0017] Compared with the prior art, the utility model has the following beneficial effects:

[0018] The present application utilizes annularly distributed load-bearing support rods to support the outer ring of the bearing. The load-bearing support rods surround to form an open conical structure with a narrower upper portion and a wider lower portion, so that bearings of different inner diameters can be stably mounted on the outside of the load-bearing support rods. This can not only achieve stable support for the outer ring of the bearing, but also reduce the clamping contact points on the outer ring of the bearing, thereby improving the quality of heat treatment, and making it more convenient to load and unload the outer ring of the bearing, thereby improving the efficiency of heat treatment. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 It is a side view of the utility model;

[0021] Figure 3 This is an internal cross-sectional view of the utility model;

[0022] Figure 4 This is a schematic diagram of the structure of the connecting column of the utility model.

[0023] In the figure: 1. Heat treatment chamber; 2. Driving motor; 3. Displacement slot; 4. Adjusting screw; 5. Moving slot; 6. Moving column; 7. Heating component; 8. Function chamber; 9. Rack part; 10. Connecting column; 11. Toothed disc part; 12. Load-bearing support rod; 13. Support rod slot; 14. Plug-in column; 15. Power supply box; 16. Operating platform. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4 , comprising: a heat treatment chamber 1, an adjusting screw 4 arranged inside the heat treatment chamber 1, and a driving motor 2 for driving the adjusting screw 4 to rotate, the heat treatment of the outer ring of the bearing is completed in the cavity of the heat treatment chamber 1, a long strip displacement slot 3 is opened at the bottom of the slot of the heat treatment chamber 1, and the adjusting screw 4 is placed in the slot of the displacement slot 3, so that one end of the adjusting screw 4 is rotatably connected with the inner wall of the slot of the displacement slot 3, so that the driving motor 2 can drive the adjusting screw 4 to stably rotate in the slot of the displacement slot 3, and the adjusting screw 4 is meshed with the outside of the adjusting screw 4. A movable column 6 is sleeved, and a part of the movable column 6 is located in the groove of the displacement slot 3. As the adjusting screw 4 rotates, the movable column 6 will move radially along the groove of the displacement slot 3, thereby realizing the radial movement of the upper structure of the movable column 6. A cylindrical groove is opened at the top center of the movable column 6, and a plug-in column 14 of a cylindrical structure is slidably inserted in the groove. The movable column 6 is used to provide a rotatable and stable support for the plug-in column 14, and a V-shaped bearing support rod 12 is fixed on the top of the plug-in column 14, and The bearing support rods 12 are arranged in multiple groups and are distributed in a ring shape above the plug-in column 14. The multiple groups of bearing support rods 12 are combined into a conical structure with an open surface. The top of the conical structure is narrower and the bottom is wider. In this way, when the outer ring of the bearing is assembled, the outer ring of the bearing can be horizontally dropped to the outside of the bearing support rods 12, and the outer ring of the bearing is supported by the bearing support rods 12. The top of the bearing support rods 12 is fixed with the connecting column 10, and the toothed disc part 11 is fixed on the top of the connecting column 10. A U-shaped structure with an opening downward is arranged on the top of the heat treatment chamber 1 The function bin 8 and the toothed disc portion 11 extend into the groove of the function bin 8, and at the same time, a rack portion 9 is fixedly arranged on the inner wall of the groove of the function bin 8, so that the toothed disc portion 11 is meshed and connected with the rack portion 9. Therefore, as the position of the load-bearing support rod 12 moves, the toothed disc portion 11 on the top of the connecting column 10 will drive the connecting column 10 to rotate under the meshing drive of the rack portion 9, thereby rotating the load-bearing support rod 12 and the outer ring of the bearing sleeved outside the load-bearing support rod 12. In this way, during the movement of the outer ring of the bearing, each position of the outer ring of the bearing can obtain a more uniform heat treatment operation.

[0026] The surface of the supporting rod 12 is provided with support rod grooves 13 distributed at intervals. The groove area of ​​the support rod groove 13 can make the edge of the bearing outer ring stuck more stably, so that the bearing outer ring is in a horizontal state as much as possible, and the heat treatment quality is improved. An operating platform 16 is provided on one side of the heat treatment chamber 1, and a movable groove 5 is provided on the top of the heat treatment chamber 1. The outer ring of the bearing is loaded and unloaded at the operating platform 16, and the connecting column 10 enters the inner side of the functional chamber 8 along the groove of the movable groove 5. The upper and lower inner walls of the heat treatment chamber 1 are both installed with heating components 7, and the top of the heat treatment chamber 1 is installed with a power supply box 15. During the complete radial movement of the bearing, the power supply box 15 and the heating component 7 are used to perform heat treatment on the outer ring of the bearing. After the heat treatment is completed, the outer ring of the bearing is moved to the area of ​​the operating platform 16, and the outer ring of the bearing can be taken out.

[0027] 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. A large bearing outer ring heat treatment device, comprising: A heat treatment chamber (1), an adjusting screw (4) disposed inside the heat treatment chamber (1), and a driving motor (2) for driving the adjusting screw (4) to rotate. It is characterized by further comprising: A bearing support rod (12) is arranged in the cavity of the heat treatment chamber (1), a connecting column (10) is fixedly provided on the top of the bearing support rod (12), and a plurality of groups of bearing support rods (12) are distributed in an annular manner below the connecting column (10); A toothed disc portion (11) is fixedly mounted on the top of the connecting column (10), and a rack portion (9) meshingly connected to the toothed disc portion (11) is disposed on one side of the toothed disc portion (11); The plug-in columns (14) are fixedly mounted at the bottom of the plurality of groups of bearing support rods (12), and the bottom of the plug-in columns (14) is slidably plugged with a movable column (6) that can move within the cavity of the heat treatment chamber (1).

2. A large bearing outer ring heat treatment device according to claim 1, characterized in that: A displacement slot (3) is provided at the bottom of the heat treatment chamber (1), an adjusting screw (4) is placed in the slot of the displacement slot (3), and one end of the adjusting screw (4) is rotatably connected to the inner wall of the slot of the displacement slot (3).

3. A large bearing outer ring heat treatment device according to claim 1, characterized in that: The bottom engagement sleeve of the movable column (6) is arranged outside the adjusting screw rod (4), and the movable column (6) moves radially along the groove of the displacement slot (3).

4. A large bearing outer ring heat treatment device according to claim 1, characterized in that: The surfaces of the load-bearing support rods (12) are provided with support rod slots (13) distributed at intervals, and each group of load-bearing support rods (12) is in a V-shaped structure.

5. The large bearing outer ring heat treatment device according to claim 1, characterized in that: An operating platform (16) is provided on one side of the heat treatment chamber (1), and a movable slot (5) is provided on the top of the heat treatment chamber (1).

6. A large bearing outer ring heat treatment device according to claim 1, characterized in that: A functional chamber (8) is provided on the top wall of the heat treatment chamber (1), and the toothed disc portion (11) and the rack portion (9) are both placed in a groove of the functional chamber (8).

7. A large bearing outer ring heat treatment device according to claim 1, characterized in that: The upper and lower inner walls of the heat treatment chamber (1) are both equipped with heating components (7), and the top of the heat treatment chamber (1) is equipped with a power supply box (15).

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