Wear-resistant oil-free resin bearing

Abstract

The utility model relates to the technical field of oil-free resin bearings, in particular to a wear-resistant oil-free resin bearing which comprises a bearing body, the bearing body comprises an outer ring, a first groove is formed in the inner wall of the outer ring and facilitates sliding, the first groove is connected with a ball in a rolling mode, and the ball is used for reducing friction and bearing loads. The surfaces of the balls are connected with positioning blocks in a sliding mode, the positioning blocks are used for isolating the balls, the balls are connected with an inner ring in a rolling mode, the inner ring and the rotating shaft rotate together to achieve the supporting effect, a second groove is formed in the outer wall of the inner ring, and a rolling shaft is arranged in the second groove in a sliding mode. The material has excellent wear resistance and high temperature resistance, the ball adopts high molecular weight polymer resin, the material has a self-lubricating property, and additional lubricating oil or lubricating grease is not needed to reduce friction and wear.

Description

Technical Field

[0001] The utility model relates to the technical field of oil-free resin bearings, and specifically, to an abrasion-resistant oil-free resin bearing. Background Art

[0002] A bearing is an important component in contemporary mechanical equipment. Its main function is to support a mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotational accuracy.

[0003] Different types of oil-free resin materials have different tolerances to temperature and chemical substances. Some resins may soften or lose strength at high temperatures, or are sensitive to certain chemical substances, which limits their applications in some special environments.

[0004] In view of this, there is an urgent need for an abrasion-resistant oil-free resin bearing to improve the deficiencies of the existing technology. Summary of the Utility Model

[0005] The purpose of the utility model is to provide an abrasion-resistant oil-free resin bearing to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides an abrasion-resistant oil-free resin bearing, including a bearing body. The bearing body includes an outer ring. A first groove is provided on the inner wall of the outer ring. The first groove facilitates sliding. A ball is rollingly connected to the first groove. The ball is used to reduce friction and bear loads. A positioning block is slidably connected to the surface of the ball. The positioning block is used to isolate the ball. The ball is rollingly connected to an inner ring. The inner ring rotates together with a rotating shaft for supporting. A second groove is provided on the outer wall of the inner ring. A roller slides in the second groove.

[0007] As a further improvement of this technical solution, the outer ring and the inner ring are made of wear-resistant reinforced polyimide resin, and glass fiber reinforcing materials are added to the resin material.

[0008] As a further improvement of this technical solution, the ball is composed of a high molecular weight polymer resin, and the ball has self-lubricating properties and does not require additional lubricating oil or grease to reduce friction and wear.

[0009] As a further improvement of this technical solution, the positioning block is made of polytetrafluoroethylene, and the polytetrafluoroethylene has good self-lubricating properties.

[0010] Compared with the existing technology, the beneficial effects of the utility model are:

[0011] The wear-resistant oil-free resin bearing uses glass fiber-reinforced polyimide resin as the inner and outer rings. This material has excellent wear resistance and high-temperature resistance, and is suitable for bearings under high-load and high-speed operating conditions. Glass fiber reinforcement can increase the strength and rigidity of the material, enabling it to withstand large dynamic loads. The balls are made of high molecular weight polymer resin, which has self-lubricating properties and does not require additional lubricating oil or grease to reduce friction and wear. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic diagram of the overall structure of Embodiment 1;

[0013] Figure 2 is a schematic diagram of the overall sectional structure of Embodiment 1;

[0014] Figure 3 is a schematic diagram of the outer ring structure of Embodiment 1;

[0015] Figure 4 is a schematic diagram of the inner ring structure of Embodiment 1;

[0016] Figure 5 is a schematic diagram of the positioning block structure of Embodiment 1.

[0017] The meanings of the various reference numerals in the figure are as follows:

[0018] 1, bearing body; 10, outer ring; 100, first groove; 11, inner ring; 110, second groove; 12, ball; 13, positioning block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Embodiment

[0021] Please refer to Figures 1-5As shown in the figure, this embodiment provides an oil-free resin bearing with wear resistance, including a bearing body 1. The bearing body 1 includes an outer ring 10. A first groove 100 is provided on the inner wall of the outer ring 10. The first groove 100 facilitates sliding. A ball 12 is rollingly connected to the first groove 100. The ball 12 is used to reduce friction and bear loads. A positioning block 13 is slidably connected to the surface of the ball 12. The positioning block 13 is used to isolate the balls 12. The ball 12 is rollingly connected to an inner ring 11. The inner ring 11 rotates together with the rotating shaft for support. A second groove 110 is provided on the outer wall of the inner ring 11. A roller slides in the second groove 110.

[0022] The above working principle: First, connect the inner ring 11 to the receiving rotating shaft, and sleeve the outer frame on the end to be connected. When the inner ring 11 or the outer ring 10 rotates, the balls 12 inside the bearing rotate between the first groove 100 on the surface of the outer ring 10 and the second groove 110 of the inner ring 11. The balls 12 are isolated from each other by the positioning blocks 13 to prevent the balls 12 from colliding with each other.

[0023] In order to enhance the wear resistance of the outer frame and the inner ring 11, in this embodiment, the outer ring 10 and the inner ring 11 are made of wear-resistant reinforced polyimide resin. A glass fiber reinforcing material is added to the resin material. This material has excellent wear resistance and high-temperature resistance and is suitable for the bearing cage under high load and high-speed operating conditions. Glass fiber reinforcement can increase the strength and rigidity of the material, enabling it to withstand larger dynamic loads.

[0024] In order to reduce the friction of the balls 12, in this embodiment, the balls 12 are made of high molecular weight polymer resin. The balls 12 are located between the inner ring 11 and the outer ring 10. The balls 12 have self-lubricating properties and do not require additional lubricating oil or grease to reduce friction and wear.

[0025] In order to reduce the friction of the positioning blocks 13, in this embodiment, the positioning blocks 13 are made of polytetrafluoroethylene. The polytetrafluoroethylene has good self-lubricating properties. During the high-speed operation of the bearing, it can effectively reduce the friction loss of the bearing and improve the efficiency and service life of the bearing.

[0026] When a wear-resistant oil-free resin bearing in this embodiment is specifically used, first, the inner ring 11 is connected to the receiving rotating shaft, and the outer frame is sleeved on one end to be connected. The outer ring 10 and the inner ring 11 are made of wear-resistant reinforced polyimide resin. When the inner ring 11 or the outer ring 10 rotates, the balls 12 inside the bearing rotate between the groove one 100 on the surface of the outer ring 10 and the groove two 110 of the inner ring 11. The balls 12 are made of high molecular weight polymer resin, and the balls 12 are isolated from each other by the positioning blocks 13. The positioning blocks 13 are made of polytetrafluoroethylene to prevent the balls 12 from colliding with each other.

[0027] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification are only preferred examples of the present invention and are not used to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. An oil-free resin bearing with wear resistance, characterized in that: It includes a bearing body (1), and the bearing body (1) includes an outer ring (10). A first groove (100) is provided on the inner wall of the outer ring (10). The first groove (100) facilitates sliding. A ball (12) is rotatably connected to the first groove (100). The ball (12) is used for reducing friction and bearing loads. A positioning block (13) is slidably connected to the surface of the ball (12). The positioning block (13) is used for isolating the balls (12). The ball (12) is rotatably connected to an inner ring (11). The inner ring (11) rotates together with the rotating shaft for support. A second groove (110) is provided on the outer wall of the inner ring (11). A roller slides in the second groove (110).

2. The wear-resistant oil-free resin bearing according to claim 1, wherein: The outer ring (10) and the inner ring (11) are made of wear-resistant reinforced polyimide resin.

3. The wear-resistant oil-free resin bearing according to claim 1, wherein: The ball (12) is made of high molecular weight polymer resin. The ball (12) has self-lubricating properties and does not require additional lubricating oil or grease to reduce friction and wear.

4. The wear-resistant oil-free resin bearing according to claim 1, wherein: The positioning block (13) is made of polytetrafluoroethylene, which has good self-lubricating properties.

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