阅读说明：本技术 一种圆柱滚子轴承冲压异形保持架 (Cylindrical roller bearing punching press dysmorphism holder ) 是由 王凯 陆晓峰 马艳红 于 2019-09-16 设计创作，主要内容包括：本发明公开了一种圆柱滚子轴承冲压异形保持架,涉及轴承领域,主要包括轴承内圈、圆柱滚子和保持架,轴承内圈外套装有呈圆形框架结构的保持架,保持架的圆周上均匀分布若干限位柱,限位柱呈向外凸出的鼓型结构,在每个限位柱的两侧均设置有小凸起,相邻的限位柱之间形成内空的“工字型”兜孔,圆柱滚子从保持架的外径装入兜孔内固定。本发明的有益效果为：将滚动体之间等间距分开,避免了滚动体之间相互碰撞,降低了轴承的振动及噪音；保持架结构设计为外凸鼓型结构,以及内空的“工字型”兜孔,方便滚动体从外侧转入,减少滚动体与保持架兜孔的接触面积,减少摩擦；兜孔设计有压坡斜度,提高滚动体运转灵活性,轴承极限转速提高60％。(The invention discloses a special-shaped punched retainer for a cylindrical roller bearing, which relates to the field of bearings and mainly comprises a bearing inner ring, a cylindrical roller and a retainer, wherein the retainer in a circular frame structure is sleeved outside the bearing inner ring, a plurality of limiting columns are uniformly distributed on the circumference of the retainer, the limiting columns are in a drum-shaped structure protruding outwards, small bulges are arranged on two sides of each limiting column, a hollow I-shaped pocket is formed between every two adjacent limiting columns, and the cylindrical roller is arranged in the pocket from the outer diameter of the retainer and is fixed. The invention has the beneficial effects that: the rolling bodies are separated at equal intervals, so that the mutual collision among the rolling bodies is avoided, and the vibration and the noise of the bearing are reduced; the cage is designed into an outward convex drum-shaped structure and a hollow I-shaped pocket, so that the rolling bodies can conveniently turn in from the outer side, the contact area between the rolling bodies and the cage pocket is reduced, and friction is reduced; the pocket holes are designed with slope inclination, so that the running flexibility of the rolling bodies is improved, and the bearing limit rotating speed is improved by 60%.)

1. The utility model provides a cylindrical roller bearing punching press dysmorphism holder which characterized in that: the bearing inner ring mainly comprises a bearing inner ring (1), cylindrical rollers (2) and a retainer (3), wherein the retainer (3) is sleeved outside the bearing inner ring (1) and is of a circular frame structure, a plurality of limiting columns (3-1) are uniformly distributed on the circumference of the retainer (3), the limiting columns (3-1) are of a drum-shaped structure protruding outwards, small bulges (3-2) are arranged on two sides of each limiting column (3-1), hollow I-shaped pockets (3-3) are formed between every two adjacent limiting columns (3-1), and the cylindrical rollers (2) are installed into the pockets (3-3) from the outer diameter of the retainer (3) and are fixed in the pockets.

2. The cylindrical roller bearing stamped profiled cage of claim 1, wherein: a slope pressing slope (3-4) is arranged below the small bulge (3-2).

3. The cylindrical roller bearing stamped profiled cage of claim 1, wherein: the retainer (3) is processed and formed by adopting a stamping process.

Technical Field

The invention relates to the field of bearings, in particular to a cylindrical roller bearing stamping special-shaped retainer.

Background

The existing full-complement cylindrical roller bearing is not provided with a retainer, and rolling bodies are not isolated, so that when the bearing works, the rolling bodies collide and rub with each other, and vibration noise is large when the bearing runs at high speed; such a design is only suitable for use at very low rotational speeds and is not suitable for high speed operation.

Disclosure of Invention

The invention aims to overcome the defects in the prior art, and provides a special-shaped punched retainer for a cylindrical roller bearing, which separates rolling bodies at equal intervals, ensures no collision and friction between the rolling bodies, has low vibration noise of the bearing, and is suitable for a planetary wheel structure with high requirements on high rotating speed and vibration noise.

The purpose of the invention is achieved by the following technical scheme: the special-shaped retainer for stamping the cylindrical roller bearing mainly comprises a bearing inner ring, cylindrical rollers and a retainer, wherein the retainer in a circular frame structure is sleeved outside the bearing inner ring, a plurality of limiting columns are uniformly distributed on the circumference of the retainer, the limiting columns are in a drum-shaped structure protruding outwards, small bulges are arranged on two sides of each limiting column, hollow I-shaped pockets are formed between every two adjacent limiting columns, and the cylindrical rollers are installed into the pockets from the outer diameter of the retainer and are fixed.

Furthermore, a slope pressing slope is arranged below the small bulge.

Preferably, the retainer is formed by a stamping process.

The invention has the beneficial effects that: the rolling bodies are separated at equal intervals, so that the mutual collision among the rolling bodies is avoided, and the vibration and the noise of the bearing are reduced; the cage is designed into an outward convex drum-shaped structure and a hollow I-shaped pocket, so that the rolling bodies can conveniently turn in from the outer side, the contact area between the rolling bodies and the cage pocket is reduced, and friction is reduced; the retainer pocket hole is designed with a pressure slope, so that the contact between the rolling body and the retainer is improved, the friction is reduced, the running flexibility of the rolling body is improved, and the bearing limit rotating speed is improved by 60%.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a front view of the structure of the cage.

Fig. 3 is a structural plan view of the cage.

Fig. 4 is a partially enlarged view of the region I in fig. 2.

Fig. 5 is a partial enlarged view of the region II in fig. 3.

Description of reference numerals: the bearing comprises a bearing inner ring 1, a cylindrical roller 2, a retainer 3, a limiting column 3-1, a small bulge 3-2, a pocket 3-3, a slope pressing slope 3-4, an angle A formed by the slope pressing slope and an angle B formed by the small bulge.

Detailed Description

The invention will be described in detail below with reference to the following drawings: