High-temperature-resistant ceramic bearing

Abstract

The utility model discloses a high-temperature-resistant ceramic bearing, particularly relates to the technical field of bearings, and provides the following scheme aiming at the problems that an existing bearing needs to conveniently block sundries and effectively reduce the internal temperature: the high-temperature-resistant ceramic bearing comprises an outer ring, an inner ring and balls, a plurality of balls are arranged between the outer wall of the inner ring and the inner wall of the outer ring in a surrounding mode, and blocking rings are arranged on the two sides of the balls in an attached mode. Annular grooves are formed in the two side edges of the interior of an outer ring used for connection, and cooling pipes are arranged on the two sides of the interior of the outer ring in a penetrating mode. The two sides of the balls used for rotating are in rolling fit connection with the blocking rings, rolling grooves are formed in the sides, close to the balls, of the inner wall of the outer ring and the outer wall of the inner ring correspondingly, and containing grooves are formed in the centers of the rolling grooves correspondingly. The structure has the advantages of being capable of effectively preventing sundries and dust from entering, effectively cooling the structure and blocking hot air.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a high-temperature resistant ceramic bearing. Background Art

[0002] Bearings are usually used in the matching parts between mechanical rotating parts. Since their introduction, they have occupied an irreplaceable position. With the rapid development of high-speed machining technology, the requirements of production equipment for bearings are getting higher and higher. Ceramic bearings are widely used due to their high temperature resistance, high strength, insulation and other characteristics.

[0003] However, in actual use, due to long-term use, debris may enter the outside of the unprotected bearing, affecting normal use. Therefore, it is necessary to block it well. At the same time, when using it, we cannot rely solely on the material's own performance to resist high temperatures. It also needs to be coordinated with external devices to prevent excessive temperature from damaging the internal structure of the bearing. Utility Model Content

[0004] The utility model aims to provide a high temperature resistant ceramic bearing, which solves the problem that the existing bearings need to be able to conveniently block debris and effectively reduce the internal temperature.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high temperature resistant ceramic bearing, comprising an outer ring, an inner ring and balls, wherein the inner ring is arranged around the inner part of the outer ring, a plurality of balls are arranged around the outer wall of the inner ring and the inner wall of the outer ring, and blocking rings are fitted on both sides of the balls;

[0006] Annular grooves are provided on both sides of the inner side of the outer ring for connection, and cooling pipes are provided through both sides of the inner side of the outer ring;

[0007] The two sides of the rotating ball are connected to the blocking ring by rolling and fitting each other. The inner wall of the outer ring and the outer wall of the inner ring close to the ball are both provided with rolling grooves, and the centers of the rolling grooves are provided with accommodating grooves.

[0008] Preferably, the width of both sides of the inner ring is smaller than the width of both sides of the outer ring, and blocking rings are provided on both sides of the inner ring, and the blocking rings are engaged with the inside of the annular groove.

[0009] Preferably, the cooling pipes on both sides of the inner part of the outer ring are provided with connectors near both sides of the outer ring, the connectors are connected to corresponding delivery pumps through water pipes, and the interior of the cooling pipes is filled with coolant.

[0010] Preferably, both sides of the ball are fitted and rolled with the blocking ring, a side wall of the blocking ring close to the ball is provided with an arc groove corresponding to the ball, and the sides of the outer ring and the inner ring close to each other are fitted and rotated with the blocking ring.

[0011] Preferably, the outer ring and the inner ring are both made of high temperature resistant ceramics, and the rolling grooves and the receiving grooves on the sides of the outer ring and the inner ring are filled with lubricating grease.

[0012] Preferably, the blocking ring is made of heat-insulating and high-temperature resistant material, the two sides of the blocking ring and the inner ring are close to each other, and the hole diameter at the center of the blocking ring corresponds to the center hole diameter of the inner ring.

[0013] In the above technical solution, the technical effects and advantages provided by the utility model are:

[0014] 1. When in use, blocking rings are set on both sides of the inner ring, which can effectively prevent debris and dust from entering between the outer ring and the inner ring. At the same time, when in use, since the blocking rings are close to the outer ring and the inner ring respectively, dust can be further blocked from entering between the outer ring and the inner ring to avoid contact between the balls. At the same time, lubricating grease is also set inside the device, and the corresponding lubricating grease can also block the entry of air with debris and dust to keep the interior clean.

[0015] 2. The high temperature resistant and heat insulating barrier ring can effectively prevent the external high temperature from being transmitted to the outer ring and the inner ring, and can further prevent the entry of hot air through the barrier ring and lubricating grease. When the temperature of the ball is too high, it can be cooled by the coolant inside the cooling tube. At the same time, the connector is connected to the water pump through a pipeline to realize the circulation of the coolant, effectively cool the outer ring, and indirectly cool the ball, avoiding excessive temperature of the outer ring, ball and other structures, and improving the high temperature resistance of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 It is a schematic diagram of the utility model;

[0018] Figure 2 It is a schematic cross-sectional view of the inner structure of the outer ring of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the connection between the inner ring and the ball of the utility model;

[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the outer ring of the utility model;

[0021] Figure 5It is a side view of the cross-sectional structure of the connection between the outer ring and the inner ring of the utility model.

[0022] Description of reference numerals:

[0023] 1. Outer ring; 101. Annular groove; 102. Cooling pipe; 103. Connector; 2. Inner ring; 201. Blocking ring; 3. Ball; 301. Rolling groove; 302. Accommodating groove; 4. Blocking ring; 401. Arc groove. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0025] The utility model provides Figure 1-5 A high-temperature resistant ceramic bearing shown in the figure comprises an outer ring 1, an inner ring 2 and balls 3. The inner ring 2 is arranged around the interior of the outer ring 1, and multiple balls 3 are arranged around the outer wall of the inner ring 2 and the inner wall of the outer ring 1, and blocking rings 4 are fitted on both sides of the balls 3; annular grooves 101 are provided on both sides of the inner side of the outer ring 1 for connection, and cooling pipes 102 are penetrated on both sides of the inner side of the outer ring 1; both sides of the balls 3 for rotation are rollingly fitted and connected with the blocking rings 4, and rolling grooves 301 are provided on the inner wall of the outer ring 1 and the outer wall of the inner ring 2 on the side close to the balls 3, and a receiving groove 302 is provided at the center of the rolling groove 301.

[0026] Preferably, the width of both sides of the inner ring 2 is smaller than the width of both sides of the outer ring 1, and blocking rings 201 are provided on both sides of the inner ring 2. The blocking rings 201 are mutually clamped with the inside of the annular groove 101, and the blocking rings 201 are made of heat-insulating and high-temperature resistant material. The blocking rings 201 and the two side edges of the inner ring 2 are close to each other, and the aperture at the center of the blocking ring 201 corresponds to the center aperture of the inner ring 2. When in use, blocking rings 201 are provided on both sides of the inner ring 2, thereby effectively preventing debris and dust from entering between the outer ring 1 and the inner ring 2.

[0027] Preferably, the cooling tubes 102 on both sides inside the outer ring 1 are provided with connectors 103 near both sides of the outer ring 1, and the connectors 103 are connected to the corresponding delivery pumps through water pipes. The interior of the cooling tubes 102 is filled with coolant, and the temperature is reduced by the coolant inside the cooling tubes 102. At the same time, the connectors 103 are connected to the water pump through pipelines, thereby realizing the circulation of the coolant, effectively cooling the outer ring 1, and then indirectly cooling the ball 3, avoiding excessive temperatures of the structures such as the outer ring 1 and the ball 3, and improving the high temperature resistance of the device.

[0028] Preferably, both sides of the ball 3 are fitted with the blocking ring 4 for rolling, and an arc groove 401 corresponding to the ball 3 is provided on one side wall of the blocking ring 4 close to the ball 3, and the sides of the outer ring 1 and the inner ring 2 close to each other are fitted with the blocking ring 4 for rotation, and the outer ring 1 and the inner ring 2 are both made of high-temperature resistant ceramics, and the rolling grooves 301 and the receiving grooves 302 on the sides of the outer ring 1 and the inner ring 2 are filled with lubricating grease, which can further prevent hot air from entering through the blocking ring 4 and the lubricating grease. Since the blocking ring 4 is respectively fitted with the outer ring 1 and the inner ring 2, dust can be further blocked from entering between the outer ring 1 and the inner ring 2 to prevent it from contacting the ball 3. At the same time, lubricating grease is also provided inside the device, and the corresponding lubricating grease can also prevent air with debris and dust from entering, thereby keeping the interior clean.

[0029] Working principle: When in use, the outer ring 1 of the device can be conveniently fixed to the mounting structure of the corresponding device, and then the device structure that needs to be rotated is fixedly connected to the inner ring 2 of the device, and the corresponding cooling pipe 102 is connected to the connector 103 during use, so that the inner ring 2 can be rotated during use, and the inner ring 2 and the ball 3 can rotate with each other, and the ball 3 rotates with the outer ring 1 to achieve rotational displacement. When in use, blocking rings 201 are set on both sides of the inner ring 2, so that debris and dust can be effectively prevented from entering between the outer ring 1 and the inner ring 2. At the same time, when in use, since the blocking ring 4 is close to the outer ring 1 and the inner ring 2 respectively, dust can be further blocked from entering between the outer ring 1 and the inner ring 2 to prevent it from contacting with the ball 3. At the same time, lubricating grease is also provided inside the device, and the corresponding lubricating grease can also block the entry of air carrying debris and dust to keep the interior clean.

[0030] When in use, the high temperature resistant and heat insulating blocking ring 201 is used to effectively prevent the external high temperature from being transmitted to the outer ring 1 and the inner ring 2, and the blocking ring 4 and lubricating grease can further prevent the entry of hot air. When the temperature of the ball 3 is too high, it can be cooled by the coolant inside the cooling tube 102. At the same time, the connecting head 103 is connected to the water pump through a pipeline to realize the circulation of the coolant, effectively cool the outer ring 1, and then indirectly realize the cooling of the ball 3, avoid the outer ring 1 and the ball 3 The temperature of the structure is too high, and the high temperature resistance of the device is improved.

[0031] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high temperature resistant ceramic bearing, comprising an outer ring (1), an inner ring (2) and balls (3), characterized in that: The inner ring (2) is disposed around the inner part of the outer ring (1), a plurality of balls (3) are disposed around the outer wall of the inner ring (2) and the inner wall of the outer ring (1), and blocking rings (4) are disposed on both sides of the balls (3); Annular grooves (101) are provided on both sides of the inner side of the outer ring (1) for connection, and cooling pipes (102) are provided through both sides of the inner side of the outer ring (1); Both sides of the rotating ball (3) are connected to the blocking ring (4) by rolling fit, and the inner wall of the outer ring (1) and the outer wall of the inner ring (2) are provided with rolling grooves (301) on the side close to the ball (3), and the center of the rolling grooves (301) is provided with a receiving groove (302).

2. A high temperature resistant ceramic bearing according to claim 1, characterized in that: The width of both sides of the inner ring (2) is smaller than the width of both sides of the outer ring (1), and blocking rings (201) are provided on both sides of the inner ring (2), and the blocking rings (201) are mutually engaged with the inside of the annular groove (101).

3. A high temperature resistant ceramic bearing according to claim 1, characterized in that: The cooling pipes (102) on both sides of the inner side of the outer ring (1) are provided with connectors (103) close to both sides of the outer ring (1); the connectors (103) are connected to corresponding delivery pumps through water pipes; and the interior of the cooling pipes (102) is filled with coolant.

4. A high temperature resistant ceramic bearing according to claim 1, characterized in that: Both sides of the ball (3) are fitted and rolled with the blocking ring (4); a side wall of the blocking ring (4) close to the ball (3) is provided with an arc groove (401) corresponding to the ball (3); and the sides of the outer ring (1) and the inner ring (2) close to each other are fitted and rotated with the blocking ring (4).

5. The high temperature resistant ceramic bearing according to claim 1, characterized in that: The outer ring (1) and the inner ring (2) are both made of high temperature resistant ceramics, and the rolling grooves (301) and the receiving grooves (302) on the sides of the outer ring (1) and the inner ring (2) are filled with lubricating grease.

6. A high temperature resistant ceramic bearing according to claim 2, characterized in that: The blocking ring (201) is made of a heat-insulating and high-temperature resistant material. The two sides of the blocking ring (201) and the inner ring (2) are close to each other, and the central aperture of the blocking ring (201) corresponds to the central aperture of the inner ring (2).

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