Conical bearing ring forge piece raceway rolling and expanding device

Abstract

The utility model discloses a rolling and expanding device for a conical bearing ring forge piece raceway. The rolling and expanding device comprises a machine base, the rack is fixedly connected to the top of the machine base, and the rolling mechanism is used for rolling and expanding the conical bearing ring forge piece raceway and comprises a mounting frame fixedly connected to the top of the side face of the rack. According to the bearing ring rolling and expanding device, the bearing ring to be rolled and expanded is arranged on the containing groove in the side face of the first containing roller in a sleeving mode, the second containing roller is fixed to the side face of the first containing roller through the installation stud, and the bearing ring is limited and fixed through the limiting balls, so that deflection of the bearing ring in the rolling and expanding process can be effectively avoided; meanwhile, the distance between the first placing roller and the second placing roller can be adjusted under the thread action of the mounting stud and the mounting thread, so that the bearing ring rolling and expanding device can be suitable for bearing rings with different widths, and the practicability of the bearing ring rolling and expanding device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing ring processing, and in particular relates to a rolling and expanding device for a tapered bearing ring forging raceway. 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. The processing of medium and large bearings requires the expansion of the bearing rings. The bearing rings are heated to about 2000 degrees Celsius to allow the bearing rings to have sufficient ductility, and then the bearing rings are placed on an expansion machine for rolling and expansion.

[0003] A Chinese patent with announcement number CN115532999A discloses a bearing ring hole expansion and forming device, which belongs to the field of bearing ring processing. A bearing ring hole expansion and forming device includes a slag grinding device, which includes an induction module, a sensing port is equidistantly opened in the middle of the induction module, a limiting sleeve is fixedly connected to the front end of the induction module, eight shells are equidistantly fixedly connected to the middle of the limiting sleeve, a U-shaped groove is opened at the front end of the shell, a placement groove is opened in the middle of the shell located at the rear of the U-shaped groove, a rectangular groove is opened in the middle of the front end of the shell, a rolling roller is rotatably connected in the middle of the rectangular groove, a sliding groove is opened in the middle of the rear end of the shell, and a U-shaped heat conductive block is fixedly connected in the middle of the U-shaped groove. The slag grinding device can be used to flatten the corrugated defects on the outer side of the bearing ring, and the trigger structure can trigger the induction of the induction module, so that the defects of the bearing ring during the processing are flattened, eliminating subsequent cutting and processing operations and improving work efficiency.

[0004] Although the above technical solution solves the corresponding technical problem, the bearing ring expansion device in the above technology is not convenient for limiting the bearing ring to be expanded, which can easily cause the bearing ring to be skewed during use, thereby affecting the rolling quality of the bearing ring. Utility Model Content

[0005] The utility model aims to provide a device for rolling and expanding the raceway of a tapered bearing ring forging, so as to solve the technical defects that the bearing ring hole expansion device in the prior art is not convenient for limiting the bearing ring to be expanded, and is easy to cause the bearing ring to be deflected during use, thereby affecting the rolling and expanding quality of the bearing ring.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A rolling and expanding device for a tapered bearing ring forging, comprising a machine base;

[0008] A frame fixedly connected to the top of the base;

[0009] A rolling mechanism for rolling and expanding the raceway of a tapered bearing ring forging, the rolling mechanism comprising a mounting frame fixedly connected to the top of the side of a frame, an adjustment component mounted on the mounting frame, and a rolling component mounted at the bottom of the adjustment component;

[0010] A placement mechanism for rolling and expanding the raceway of a tapered bearing ring forging, the placement mechanism includes a first placement roller, one end of the first placement roller is rotatably mounted on the side of a frame through a mounting bearing, a second placement roller matching the mounting bearing is provided on the other side of the mounting bearing, a mounting stud is fixedly connected to the side of the second placement roller, mounting threads matching the mounting stud are provided on the side of the first placement roller and at positions corresponding to the mounting studs, and a receiving groove for placing the bearing ring is provided on the first placement roller and the second placement roller.

[0011] As a further solution of the utility model, the adjustment assembly includes an adjustment bolt threadedly connected to the mounting frame, and an internal thread matching the adjustment bolt is provided on the mounting frame at a position corresponding to the adjustment bolt.

[0012] As a further solution of the utility model, the rolling assembly includes a rolling frame, the top of the rolling frame is rotatably connected to the bottom of the internal thread through a bearing, the side of the rolling frame is fixedly connected to a servo motor, and a rolling roller is fixedly connected to the output shaft of the servo motor.

[0013] As a further solution of the utility model, a rotating hand wheel for rotating the adjusting bolt is fixedly connected to the top of the adjusting bolt.

[0014] As a further solution of the utility model, both sides of the bottom of the mounting frame are fixedly connected with limited telescopic rods, and the bottom of the limited telescopic rods is fixedly connected to the top of the rolling frame.

[0015] As a further solution of the utility model, a limiting ball is arranged on the inner wall of the accommodating groove.

[0016] Compared with the prior art, the tapered bearing ring forging raceway rolling and expanding device provided by the utility model has the following beneficial effects:

[0017] The bearing ring to be rolled is mounted on the receiving groove on the side of the first placement roller, and then the second placement roller is fixed to the side of the first placement roller by installing the studs, and the bearing ring is limited and fixed by the limiting balls. This can effectively avoid the bearing ring from being skewed during the rolling process, thereby ensuring the rolling quality of the bearing ring. At the same time, under the action of the installing studs and the installing threads, the distance between the first placement roller and the second placement roller can be adjusted, so that it can be suitable for bearing rings of different widths, thereby improving the practicability of the rolling device of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings required for use in the embodiment will be briefly introduced below. Obviously, the drawings described below are only examples of the embodiment of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

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

[0020] Figure 2 This is a schematic diagram of the structure of the rolling mechanism in the embodiment of the utility model;

[0021] Figure 3 It is a structural schematic diagram of the placement mechanism in the embodiment of the utility model.

[0022] Reference numerals:

[0023] 1. Machine base; 2. Machine frame; 3. Rolling mechanism; 4. Placing mechanism;

[0024] 301, mounting frame; 302, adjustment assembly; 303, rolling assembly;

[0025] 3021, adjusting bolt; 3022, internal thread; 3023, limiting telescopic rod;

[0026] 30211, rotating hand wheel;

[0027] 3031, rolling frame; 3032, servo motor; 3033, rolling roller;

[0028] 401, first placement roller; 402, mounting bearing; 403, second placement roller; 404, mounting stud; 405, mounting thread; 406, accommodating groove; 4061, limiting ball. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model more clear, the embodiment of the utility model is further described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0030] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the embodiments of the present invention.

[0031] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0032] See attached Figure 1-3 As shown, an embodiment of the utility model is a device for rolling and expanding the raceway of a tapered bearing ring forging, comprising a machine base 1, a frame 2 fixedly connected to the top of the machine base 1, a rolling mechanism 3 for rolling and expanding the raceway of a tapered bearing ring forging, and a placement mechanism 4 for rolling and expanding the raceway of a tapered bearing ring forging.

[0033] See attached Figure 2 As shown, the rolling mechanism 3 includes a mounting frame 301 fixedly connected to the top of the side of the frame 2, an adjusting component 302 is installed on the mounting frame 301, and a rolling component 303 is installed at the bottom of the adjusting component 302.

[0034] See attached Figure 3 As shown, the placement mechanism 4 includes a first placement roller 401, one end of which is rotatably mounted on the side of the frame 2 through a mounting bearing 402, and a second placement roller 403 matching the mounting bearing 402 is provided on the other side of the mounting bearing 402, and a mounting stud 404 is fixedly connected to the side of the second placement roller 403, and a mounting thread 405 matching the mounting stud 404 is provided on the side of the first placement roller 401 and at a position corresponding to the mounting stud 404, and a receiving groove 406 for placing a bearing ring is provided on the first placement roller 401 and the second placement roller 403.

[0035] See attached Figure 2 As shown, the adjustment assembly 302 includes an adjustment bolt 3021 threadedly connected to the mounting frame 301 , and an internal thread 3022 matching the adjustment bolt 3021 is provided on the mounting frame 301 at a position corresponding to the adjustment bolt 3021 .

[0036] The rolling assembly 303 includes a rolling frame 3031 , the top of which is rotatably connected to the bottom of the internal thread 3022 via a bearing, a servo motor 3032 is fixedly connected to the side of the rolling frame 3031 , and a rolling roller 3033 is fixedly connected to the output shaft of the servo motor 3032 .

[0037] When using a tapered bearing ring forging raceway rolling and expanding device according to an embodiment of the utility model, the bearing ring to be rolled and expanded is firstly mounted on the receiving groove 406 on the side of the first placement roller 401, and then the second placement roller 403 is fixed to the side of the first placement roller 401 by installing the stud 404, and the bearing ring is limited and fixed by the limiting ball 4061, thereby effectively avoiding the deflection of the bearing ring during the rolling and expanding process, thereby ensuring the rolling and expanding quality of the bearing ring, and at the same time, under the thread action of the installing stud 404 and the installing thread 405, the distance between the first placement roller 401 and the second placement roller 403 can be adjusted, so that it can be suitable for bearing rings of different widths, thereby improving the practicality of the rolling and expanding device of the utility model.

[0038] In order to facilitate the rotation of the adjusting bolt 3021 and thus facilitate the adjustment of the distance between the rolling roller 3033 and the placing mechanism 4 , a rotating hand wheel 30211 for rotating the adjusting bolt 3021 is fixedly connected to the top of the adjusting bolt 3021 .

[0039] In order to limit the rolling frame 3031 and thus increase the stability of the adjustment of the rolling frame 3031, both sides of the bottom of the mounting frame 301 in the embodiment of the utility model are fixedly connected to the limiting telescopic rod 3023, and the bottom of the limiting telescopic rod 3023 is fixedly connected to the top of the rolling frame 3031.

[0040] In order to reduce the friction force of the tapered bearing ring to be processed, in the embodiment of the utility model, a limiting ball 4061 is provided on the inner wall of the accommodating groove 406 .

[0041] The above shows and describes the basic principles of the present invention. The above are only preferred embodiments of the present invention and are not intended to limit the present invention. The above embodiments and descriptions in the specification are only intended to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A rolling and expanding device for a tapered bearing ring forging, characterized in that include: Machine base (1); A frame (2) fixedly connected to the top of the base (1); A rolling mechanism (3) for rolling and expanding the raceway of a tapered bearing ring forging, the rolling mechanism (3) comprising a mounting frame (301) fixedly connected to the top of the side of the frame (2), an adjustment component (302) being mounted on the mounting frame (301), and a rolling component (303) being mounted at the bottom of the adjustment component (302); A placement mechanism (4) for rolling and expanding the raceway of a tapered bearing ring forging, the placement mechanism (4) comprising a first placement roller (401), one end of the first placement roller (401) being rotatably mounted on the side of the frame (2) via a mounting bearing (402), a second placement roller (403) matching the mounting bearing (402) being provided on the other side of the mounting bearing (402), a mounting stud (404) being fixedly connected to the side of the second placement roller (403), a mounting thread (405) matching the mounting stud (404) being provided on the side of the first placement roller (401) and corresponding to the position of the mounting stud (404), and a receiving groove (406) for placing the bearing ring being provided on both the first placement roller (401) and the second placement roller (403).

2. A tapered bearing ring forging raceway rolling and expanding device according to claim 1, characterized in that: The adjustment assembly (302) comprises an adjustment bolt (3021) threadedly connected to the mounting frame (301), and an internal thread (3022) matching the adjustment bolt (3021) is provided on the mounting frame (301) at a position corresponding to the adjustment bolt (3021).

3. The device for rolling and expanding the raceway of a tapered bearing ring forging according to claim 2, characterized in that: The rolling assembly (303) comprises a rolling frame (3031), the top of the rolling frame (3031) is rotatably connected to the bottom of the internal thread (3022) via a bearing, a servo motor (3032) is fixedly connected to the side of the rolling frame (3031), and a rolling roller (3033) is fixedly connected to the output shaft of the servo motor (3032).

4. A tapered bearing ring forging raceway rolling device according to claim 3, characterized in that: A rotating hand wheel (30211) for rotating the adjusting bolt (3021) is fixedly connected to the top of the adjusting bolt (3021).

5. The device for rolling and expanding the raceway of a tapered bearing ring forging according to claim 4, characterized in that: Both sides of the bottom of the mounting frame (301) are fixedly connected to the limiting telescopic rods (3023), and the bottom of the limiting telescopic rods (3023) is fixedly connected to the top of the rolling frame (3031).

6. The device for rolling and expanding the raceway of a tapered bearing ring forging according to claim 5, characterized in that: A limiting ball (4061) is arranged on the inner wall of the accommodating groove (406).

Images