Bearing seat and non-metal carrier roller

Abstract

The utility model discloses a bearing seat and a non-metal carrier roller, the bearing seat comprises a bearing seat main body, the bearing seat main body is provided with a bearing cavity, a mounting cavity and a weight reduction cavity which are concentrically arranged and communicate with each other, and the mounting cavity and the weight reduction cavity are respectively arranged on two opposite sides of the bearing cavity; sealing cavities and / or sealing grooves are formed in the two opposite sides of the bearing cavity; a stop groove is formed in the bearing seat main body, and the stop groove is communicated with the bearing cavity. The utility model discloses a bearing seat and a non-metal carrier roller. The problem that an existing bearing seat cannot achieve light weight is solved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of bearing seat, more particularly, to a bearing seat and a non-metallic carrier roller. BACKGROUND

[0002] The carrier roller is an important component of the belt conveyor, which supports the belt to facilitate the belt conveyor to transport materials. The opposite ends of the carrier roller are provided with bearings, and the bearings are installed in the bearing seat through the bearings to realize the rotation of the cylinder relative to the roller shaft. In the prior art, the structure of the bearing seat is relatively complex, the weight is large, and the energy consumption is large during operation. Moreover, the bearing seat also increases the weight of the carrier roller, and the energy consumption during operation is larger. At the same time, once dust, water vapor and the like enter the bearing seat, the wear of the bearing will be increased, and the service life will be shortened.

[0003] Therefore, there is a need for a bearing seat and a non-metallic carrier roller to solve the above problems. CONTENT OF THE INVENTION

[0004] Therefore, the purpose of the present application is to provide a bearing seat and a non-metallic carrier roller to solve the problem that the existing bearing seat cannot realize lightweight.

[0005] In order to achieve the above purpose, the present application provides a bearing seat, which comprises:

[0006] A bearing seat body is provided with a bearing cavity, an installation cavity and a weight reduction cavity which are concentrically arranged and communicated, the installation cavity and the weight reduction cavity are respectively arranged on opposite sides of the bearing cavity; the opposite sides of the bearing cavity are provided with a sealing cavity and / or a sealing groove; the bearing seat body is provided with a stop groove which is communicated with the bearing cavity.

[0007] Optionally, the weight reduction cavity comprises a first weight reduction cavity and a second weight reduction cavity, the first weight reduction cavity is formed by the inner wall of the bearing seat body, and the second weight reduction cavity is formed by the inner wall of the bearing seat body and the outer wall of the bearing seat body.

[0008] Optionally, a plurality of reinforcing ribs are arranged in the second weight reduction cavity.

[0009] Optionally, the diameter of the reinforcing rib gradually decreases from the inner wall of the bearing seat body to the outer wall of the bearing seat body.

[0010] Optionally, the weight reduction cavity and the bearing cavity are communicated through a roller shaft hole.

[0011] The present application also provides a non-metallic carrier roller, which comprises at least one bearing seat as described above.

[0012] Optionally, the non-metallic carrier roller comprises:

[0013] two said bearing seats;

[0014] a cylinder body, opposite ends of the cylinder body are connected with end covers respectively, two said bearing seats are symmetrically arranged in the cylinder body and connected with two said end covers respectively;

[0015] a sealing assembly arranged on the bearing seat;

[0016] a roller shaft, opposite ends of the roller shaft are provided with bearings respectively, the bearings are connected in the bearing seat, opposite ends of the roller shaft are respectively threaded out of the end cover and extended to the outside of the cylinder body.

[0017] Optionally, the sealing assembly comprises: oppositely arranged outer seals and inner seals, the outer seals and the inner seals are arranged on opposite sides of the bearings respectively.

[0018] Optionally, the outer seals adopt a labyrinth seal; the inner seals adopt a sealing ring.

[0019] In addition, optionally, the labyrinth seal is filled with a layer of grease.

[0020] As can be seen from the above, the bearing seat and the non-metallic roller provided by the present application have the following advantages compared with the prior art: the bearing seat body structure is relatively simple, compact installation can be achieved, the structural strength of the bearing seat for supporting the roller cylinder body is ensured, and the bearing seat is easy to assemble; and the weight of the bearing seat body is reduced by arranging a weight reduction cavity on the bearing seat body, the lightweight purpose is achieved while the structural performance requirements are met, and the energy consumption of the bearing seat and the roller during operation is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0021] The above features and technical advantages of the present application will become more apparent and easily understood from the following description of its embodiments, taken in conjunction with the accompanying drawings.

[0022] Figure 1 It is a perspective view of the bearing seat adopted in the embodiments of the present application.

[0023] Figure 2 It is a perspective view of the bearing seat adopted in the embodiments of the present application. Figure 1 It is another perspective view of the bearing seat.

[0024] Figure 3 It is a side view of the bearing seat. Figure 1 It is a side view of the bearing seat.

[0025] Figure 4 It is a side view of the bearing seat. Figure 2 It is a side view of the bearing seat.

[0026] Figure 5 It is a sectional view of the bearing seat. Figure 1 It is a sectional view of the bearing seat.

[0027] Figure 6 For including Figure 1 The cross-sectional view of the non-metallic carrier roller of the bearing seat shown.

[0028] Figure 7 For Figure 6 The connection state diagram of the labyrinth seal and the end cover shown.

[0029] Wherein the reference signs:

[0030] 1, bearing seat; 11, sealing cavity; 12, reinforcing rib; 13, weight-reducing hole; 14, weight-reducing cavity; 15, bearing cavity; 16, mounting cavity; 2, cylinder; 3, outer seal; 31, labyrinth seal; 4, end cover; 5, inner seal; 6, stop ring; 7, check ring; 8, roller shaft. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with specific embodiments and with reference to the drawings. Wherein the same parts are denoted by the same reference signs. It should be noted that the words "front", "back", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings. The words "inner" and "outer" are used to refer to the directions towards or away from the geometric center of a particular part.

[0032] Figure 1 For the three-dimensional schematic diagram of the bearing seat used in the specific embodiments of the present application. Figure 2 For Figure 1 Another three-dimensional schematic diagram of the bearing seat shown. Figure 3 For Figure 1 The side view of the bearing seat shown. Figure 4 For Figure 2 The side view of the bearing seat shown. Figure 5 For Figure 1 The cross-sectional view of the bearing seat shown. As Figures 1 to 5 shown, the bearing seat 1 comprises a bearing seat body.

[0033] The bearing seat body is provided with a bearing cavity 15, a mounting cavity 16 and a weight-reducing cavity which are concentrically arranged and communicated, and the mounting cavity 16 and the weight-reducing cavity are respectively arranged on opposite sides of the bearing cavity 15; the opposite sides of the bearing cavity 15 are respectively provided with a sealing cavity 11 and / or a sealing groove; the bearing seat body is provided with a stop groove which is communicated with the bearing cavity 15.

[0034] The bearing is installed in the bearing cavity 15, the stop groove is provided with the stop ring 6, the stop ring 6 can prevent the bearing from moving in the bearing cavity 15 during operation, and a fixing effect is provided;Sealing members are respectively arranged in the sealing cavities 11 on the opposite sides of the bearing cavity 15 and / or the sealing grooves, to provide sealing effects on both ends of the bearing. The end cover 4 is connected in the mounting cavity 16, when the bearing seat 1 is installed in the cylinder body 2, the end cover 4 provides a fixing effect for the bearing seat 1. The roller shaft 8 penetrating the cylinder body 2 enters the shaft hole from the weight reduction cavity side and extends out from the mounting cavity 16 side, penetrating the end cover 4.

[0035] The bearing seat 1 adopts the above structure, the bearing seat body structure is relatively simple, can realize compact installation, is easy to assemble, and ensures the structural strength of the supporting roller cylinder body 2;And the weight reduction cavity is arranged on the bearing seat body to reduce the weight of the bearing seat body, while meeting the structural performance requirements, the light weight purpose is realized, and the energy consumption of the bearing seat 1 and the roller during operation is reduced.

[0036] In an embodiment of the present application, the bearing seat body is made of fiber reinforced thermoplastic composite material or thermoplastic resin material. The fiber reinforced thermoplastic composite material has the advantages of excellent mechanical properties and low density, which can effectively reduce the energy consumption of the bearing seat 1 and the belt conveyor during operation when the bearing seat body is prepared.

[0037] In an embodiment of the present application, the bearing seat body is sequentially provided with the mounting cavity 16, the sealing cavity 11, the bearing cavity 15, the stop groove, the shaft hole, the sealing groove and the weight reduction cavity;The outer diameter of the bearing seat body is unchanged, and the inner diameter is changed correspondingly due to the layout of each cavity. The diameter of the mounting cavity 16 is greater than the diameter of the sealing cavity 11, the diameters of the sealing cavity 11, the bearing cavity 15 and the weight reduction cavity are approximately equal, the diameter of the stop groove is less than the diameter of the bearing cavity 15, the stop groove and the weight reduction cavity are communicated through the shaft hole, and the sealing groove is arranged on the shaft hole.

[0038] In an embodiment of the present application, the mounting cavity 16 has an inclined inner wall, and the diameter of the mounting cavity 16 gradually increases towards the end face of the bearing seat body.

[0039] Referring to Figure 5 In an embodiment of the present application, the sealing cavity 11 and the bearing cavity 15 can share the same cavity, that is, the cavity near the mounting cavity 16 (left side) is the sealing cavity 11, and the cavity away from the mounting cavity 16 (right side) is the bearing cavity 15.

[0040] In order to balance the light weight and the structural strength, optionally, the weight reduction cavity includes a first weight reduction cavity 14 and a second weight reduction cavity, the first weight reduction cavity 14 is formed by the inner wall of the bearing seat body, and the second weight reduction cavity is formed by the inner wall of the bearing seat body and the outer wall of the bearing seat body. The first weight reduction cavity 14 and the second weight reduction cavity are dispersed on the end face of the bearing seat body, which helps to ensure the structural strength of the bearing seat body.

[0041] In one embodiment of this application, the first weight-reducing cavity 14 is a cylindrical cavity, and the second weight-reducing cavity is an annular cavity.

[0042] Optionally, the second weight-reducing cavity is provided with a plurality of spaced reinforcing ribs 12. By providing the reinforcing ribs 12, the second weight-reducing cavity is divided into a plurality of spaced weight-reducing holes 13. The reinforcing ribs 12 can enhance the structural strength of the bearing housing body while meeting the requirements of lightweighting.

[0043] In one embodiment of this application, the weight reduction hole 13 is formed by two adjacent reinforcing ribs 12, the inner wall of the bearing seat body and the outer wall of the bearing seat body. Each weight reduction hole 13 has the same or similar structure and is approximately trapezoidal.

[0044] The outer wall of the bearing housing body is used for assembly with the cylinder 2, and the inner wall of the bearing housing body is used for the roller shaft 8 to pass through. Optionally, the diameter of the reinforcing rib 12 gradually decreases from the inner wall of the bearing housing body to the outer wall of the bearing housing body. Using a variable diameter reinforcing rib 12 can not only ensure structural strength and effective load transfer, but also save material and reduce weight.

[0045] In one embodiment of this application, the reinforcing rib 12, the inner wall of the bearing housing body, and the outer wall of the bearing housing body are integrally formed. The diameter of the end of the reinforcing rib 12 near the inner wall of the bearing housing body is 2-4 times the diameter of the end near the outer wall of the bearing housing body.

[0046] Optionally, the weight reduction cavity and the bearing cavity 15 are connected through a hole in the roller shaft 8. The diameter of the hole in the roller shaft 8 is small, and only the roller shaft 8 is needed, so that there is a certain distance between the weight reduction cavity and the bearing cavity 15, in order to balance the lightweight and structural strength and ensure the stability of the bearing installation.

[0047] The following section further describes the usage process of bearing housing 1.

[0048] The bearing is installed in the bearing cavity 15, and a stop ring 6 is installed in the stop groove. Two seals are respectively set in the sealing cavities 11 and sealing grooves on opposite sides of the bearing cavity 15. The end cover 4 is connected in the mounting cavity 16. When the bearing seat 1 is installed in the cylinder 2, the end cover 4 provides a fixing function for the bearing seat 1. The roller shaft 8 passing through the cylinder 2 enters the shaft hole from one side of the weight reduction cavity, passes through the seal, the stop ring 6, the bearing and another seal in sequence, and exits through the end cover 4.

[0049] This application also proposes a non-metallic idler roller, which includes at least one bearing housing 1 as described above.

[0050] Typically, a non-metallic idler roller is provided with two bearing seats 1, which are symmetrically arranged at opposite ends of the non-metallic idler roller.

[0051] The non-metallic idler roller adopts the aforementioned bearing housing 1. The main structure of the bearing housing is relatively simple, enabling compact installation, ensuring the structural strength of the supporting idler roller cylinder 2, and facilitating assembly. Furthermore, a weight-reducing cavity is provided on the main body of the bearing housing to reduce the weight of the main body of the bearing housing. While meeting the structural performance requirements, the purpose of lightweighting is achieved, reducing the energy consumption of the bearing housing 1 and the idler roller during operation.

[0052] Figure 6 For including Figure 1 A cross-sectional view of a non-metallic idler roller with a bearing housing shown. Figure 6 As shown, the non-metallic idler roller includes: two bearing seats 1, a cylinder 2, a sealing assembly, and a roller shaft 8.

[0053] Two bearing housings 1; the bearing housings 1 can be the bearing housings 1 described in any of the above embodiments, and will not be repeated here.

[0054] End caps 4 are connected to the opposite ends of the cylinder 2. Two bearing seats 1 are symmetrically arranged inside the cylinder 2 and are connected to the two end caps 4 respectively. The two end caps 4 are connected to the opposite ends of the cylinder 2 respectively. The two bearing seats 1 are both arranged inside the cylinder 2 and are connected to the end caps 4 respectively.

[0055] The sealing assembly is mounted on the bearing housing 1; the sealing assembly is used to provide a sealing effect on the bearing.

[0056] Bearings are provided at opposite ends of the roller shaft 8, and the bearings are connected inside the bearing housing 1. End caps 4 are respectively provided at opposite ends of the roller shaft 8, extending to the outside of the cylinder 2. The roller shaft 8 passes through the cylinder 2, and the roller shaft 8 is connected to the inner ring of the bearing, while the outer ring of the bearing is connected to the bearing housing 1.

[0057] Two bearings are connected to opposite ends of the roller shaft 8 and installed in bearing cavities 15. Bearing seats 1 are installed in the cylinder 2. Retaining rings 6 and sealing components are installed in the two bearing seats 1 respectively. The retaining rings 6 prevent the bearings from moving within the bearing cavities 15 during operation, providing a fixing function. Sealing components are respectively installed in sealing cavities 11 and sealing grooves on opposite sides of the bearing cavities 15 to provide a sealing function at both ends of the bearing. End caps 4 are installed in the mounting cavity 16 and fixed to the bearing seats 1. The roller shaft 8 passes through the end caps 4, and retaining rings 7 are fitted onto the roller shaft 8, conforming to the outer surface of the end caps 4.

[0058] The aforementioned non-metallic idler rollers have a simple structure, fewer parts, and are easy to assemble. The bearing housing 1 has a relatively simple structure, enabling compact installation and ensuring the structural strength of the supporting cylinder 2. Furthermore, a weight-reducing cavity is provided on the bearing housing 1 to reduce its weight, achieving lightweighting while meeting structural performance requirements and reducing energy consumption of both the bearing housing 1 and the non-metallic idler roller during operation. Simultaneously, end caps 4 prevent large, hard objects from impacting the internal components of the cylinder 2, and sealing components seal the bearings mounted on the bearing housing 1, allowing the bearings to operate in a relatively sealed environment. This prevents dust, moisture, and other contaminants from entering and damaging the bearings, extending the service life of both the bearings and the non-metallic idler roller.

[0059] In one embodiment of this application, the cylinder 2 is made of fiber-reinforced thermoplastic composite material or thermoplastic resin material.

[0060] In one embodiment of this application, the bearing housing 1 is made of fiber-reinforced thermoplastic composite material or thermoplastic resin material.

[0061] In one embodiment of this application, the end cap 4 is made of fiber-reinforced thermoplastic composite material, thermoplastic resin or metal.

[0062] In one embodiment of this application, the bearing housing 1, the cylinder 2, and the end cap 4 are all made of fiber-reinforced thermoplastic composite material. Fiber-reinforced thermoplastic composite material possesses both excellent mechanical properties and low density, which can effectively reduce energy consumption during the operation of belt conveyors when manufacturing non-metallic idlers. However, it also has the disadvantage of being less resistant to high temperatures; its temperature resistance is lower than that of the belt. For example, the operating temperature of polyvinyl chloride thermoplastic polymer can reach 80-100℃, but the normal operating temperature of a belt conveyor is approximately 60℃. When a non-metallic idler jams, the sliding friction between the belt and the non-metallic idler quickly generates heat, causing the non-metallic idler to collapse rapidly, protecting the belt. Metal idlers, on the other hand, are difficult to collapse, and their temperature resistance is much higher than that of the belt, potentially leading to the belt burning out. Typically, the value of the belt is far greater than that of the idler. Therefore, non-metallic idlers not only effectively reduce operating energy consumption but also protect the belt.

[0063] In one embodiment of this application, the cylinder 2 and the bearing seat 1 are fitted with a transition or interference fit, and an adhesive bond may be added at the joint between the cylinder 2 and the bearing seat 1.

[0064] In one embodiment of this application, the bearing housing 1 and the bearing are fitted with a transition or interference fit.

[0065] In one embodiment of this application, the bearing and the roller 8 are fitted with an interference fit or a transition fit.

[0066] In one embodiment of this application, the sealing assembly and the bearing housing 1 are fitted with a transition or interference fit.

[0067] In one embodiment of this application, the end cap 4 and the roller shaft 8 are fitted with an interference fit or a transition fit, and an adhesive bond may be added at the joint between the end cap 4 and the roller shaft 8.

[0068] In one embodiment of this application, the cross-section of the cylinder 2 between the two bearing seats 1 is consistent along the axial direction. The cylinder 2 can be manufactured by an extrusion molding method, which is suitable for flexible manufacturing in the length direction, enabling the manufacture of cylinders 2 and idlers of various lengths using a single molding die.

[0069] In one embodiment of this application, the end cap 4 is engaged or threaded with the bearing seat 1.

[0070] Optionally, the sealing assembly includes an outer seal 3 and an inner seal 5 disposed opposite to each other, with the outer seal 3 and inner seal 5 respectively disposed on opposite sides of the bearing. Using the above sealing assembly, with the outer seal 3 and inner seal 5 respectively disposed on opposite sides of the bearing cavity 15, the relative sealing of the bearing housing 1 is improved, preventing dust, moisture, etc., from entering the bearing.

[0071] Figure 7 for Figure 6 The diagram shows the connection status of the labyrinth seal and end cap. (See attached diagram.) Figure 7 As shown, the outer seal 3 adopts a labyrinth seal 31.

[0072] Optionally, the outer seal 3 is a labyrinth seal 31; the inner seal 5 is a sealing ring. A sealing cavity 11 is provided on the side of the bearing housing 1 near the end cover 4, and a sealing groove is provided on the side of the bearing housing 1 away from the end cover 4. The labyrinth seal 31 is located in the sealing cavity 11, and the sealing ring is located in the sealing groove. They provide a sealing effect for the bearing from both sides, ensuring that the bearing operates in a relatively sealed environment and preventing dust, moisture, etc. from affecting the bearing.

[0073] In one embodiment of this application, the labyrinth seal 31 is provided with a plurality of evenly distributed grooves, and the end cap 4 is provided with a protrusion on the side of the labyrinth seal 31 that cooperates with the grooves.

[0074] In one embodiment of this application, the labyrinth seal 31 is made of thermoplastic resin, fiber-reinforced thermoplastic composite material or metal.

[0075] In one embodiment of this application, the labyrinth seal 31 is disposed within the sealing cavity 11 and is fitted with the bearing housing 1 in a transition or interference fit.

[0076] Alternatively, the labyrinth seal 31 may be filled with a grease layer. The grease layer can absorb impurities such as dust and moisture, preventing them from further diffusing into the bearing cavity 15, effectively preventing dust and moisture from damaging the bearing and extending its service life.

[0077] The following section further describes the usage process of non-metallic idlers.

[0078] Two bearings are connected to opposite ends of the roller shaft 8, and are installed in the bearing cavities 15 of the two bearing seats 1. The bearing seats 1 are installed inside the cylinder 2. A stop ring 6 and a sealing assembly are installed in the two bearing seats 1 respectively. A labyrinth seal 31 and a sealing ring are installed in the sealing cavity 11 and the sealing groove respectively, and a grease layer is filled in the labyrinth seal 31. The end cap 4 is set in the mounting cavity 16 and connected to the labyrinth seal 31 and the bearing seat 1. The roller shaft 8 passes through the end cap 4, and the retaining ring 7 is sleeved on the roller shaft 8 and fits against the outer surface of the end cap 4.

[0079] As can be seen from the above description and practice, the bearing housing and non-metallic idler roller provided in this application have the following advantages compared with the prior art: the bearing housing has a relatively simple main structure, can be compactly installed, ensures the structural strength of the supporting idler roller cylinder, and is easy to assemble; moreover, a weight reduction cavity is provided on the main body of the bearing housing to reduce the weight of the main body of the bearing housing, thereby achieving the purpose of lightweighting while meeting the structural performance requirements and reducing the energy consumption of the bearing housing and idler roller during operation.

[0080] Those skilled in the art should understand that the above description is merely a specific embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the scope of this application should be included within the protection scope of this application.

Claims

1. A bearing housing, characterized in that, include: The bearing housing body has a bearing cavity, a mounting cavity, and a weight reduction cavity that are concentrically arranged and connected. The mounting cavity and the weight reduction cavity are respectively located on opposite sides of the bearing cavity. Each opposite side of the bearing cavity has a sealing cavity and / or a sealing groove. The bearing housing body has a stop groove that communicates with the bearing cavity.

2. The bearing housing according to claim 1, characterized in that: The weight reduction cavity includes a first weight reduction cavity and a second weight reduction cavity. The first weight reduction cavity is formed by the inner wall of the bearing housing body, and the second weight reduction cavity is formed by the inner wall of the bearing housing body and the outer wall of the bearing housing body.

3. The bearing housing according to claim 2, characterized in that: The second weight-reducing cavity is provided with multiple spaced reinforcing ribs.

4. The bearing housing according to claim 3, characterized in that: The diameter of the reinforcing rib gradually decreases from the inner wall of the bearing housing body towards the outer wall of the bearing housing body.

5. The bearing housing according to any one of claims 1 to 4, characterized in that: The weight reduction cavity and the bearing cavity are connected through a roller shaft hole.

6. A non-metallic idler roller, characterized in that: The non-metallic idler roller includes at least one bearing housing as described in any one of claims 1 to 5.

7. The non-metallic idler roller according to claim 6, characterized in that, include: The two bearing housings; A cylindrical body, with end caps connected to opposite ends of the cylindrical body, and two bearing seats symmetrically arranged inside the cylindrical body and connected to the two end caps respectively; A sealing assembly disposed on the bearing housing; The roller shaft has bearings at its opposite ends, which are connected to the bearing housings. The opposite ends of the roller shaft extend through the end caps and out of the cylinder body.

8. The non-metallic idler roller according to claim 7, characterized in that: The sealing assembly includes an outer seal and an inner seal disposed opposite to each other, the outer seal and the inner seal being disposed on opposite sides of the bearing, respectively.

9. The non-metallic idler roller according to claim 8, characterized in that: The outer seal is a labyrinth seal; the inner seal is a sealing ring.

10. The non-metallic idler roller according to claim 9, characterized in that: The labyrinth is sealed and filled with a layer of grease.

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