Laser cladding bearing seat

Abstract

The utility model provides a laser cladding bearing seat, which belongs to the technical field of bearing seats and comprises a bearing seat body, a laser cladding layer, an annular groove, a front end cover and a rear end cover. The bearing seat body is provided with a fixing hole, a mounting hole, a water inlet hole and a water outlet hole; the laser cladding layer is arranged on the hole wall of the mounting hole; the annular groove is formed in the rear end face of the bearing seat body and surrounds the mounting hole; the water inlet hole and the water outlet hole are communicated with the annular groove; the front end cover is fixedly installed on the front end face of the bearing seat body, and a through hole is formed in the front end cover. The rear end cover is fixedly installed on the rear end face of the bearing seat body, and a sealing structure is arranged on the rear end cover. According to the laser cladding bearing seat provided by the utility model, the wear resistance of the mounting surface of the mounting hole can be enhanced, the mounting surface of the bearing seat is ensured not to be easily damaged, and the heat dissipation effect of the bearing seat body is effectively improved; and meanwhile, the annular groove is formed around the bearing, so that heat exchange is more uniform.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing seats, and more specifically, relates to a laser cladding bearing seat. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. During use, the bearing is usually installed on the bearing seat to ensure that the bearing works stably and reliably. However, the bearing generates a lot of heat during rotation, which is dissipated through the circulation of lubricating grease and heat conduction of the bearing seat. At present, the heat dissipation operation of the bearing seat is inconvenient and the heat dissipation effect is poor; at the same time, the bearing is installed on the bearing seat, and the mounting surface of the bearing seat is easily damaged. Utility Model Content

[0003] The utility model aims to provide a laser cladding bearing seat to solve the technical problems existing in the prior art that the heat dissipation effect of the bearing seat is poor and the mounting surface is easily damaged.

[0004] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: to provide a laser cladding bearing seat, comprising:

[0005] The bearing seat body is provided with a fixing hole for fixed connection and a mounting hole for mounting the bearing; the left and right side surfaces of the bearing seat body are respectively provided with a water inlet hole and a water outlet hole;

[0006] A laser cladding layer is provided on the hole wall of the mounting hole;

[0007] an annular groove, which is formed on the rear end surface of the bearing seat body and extends inwardly along the width direction of the bearing seat body, the depth of the annular groove is less than the thickness of the bearing seat body, and the annular groove is arranged around the mounting hole; the water inlet hole and the water outlet hole are both connected to the annular groove;

[0008] A front end cover is fixedly mounted on the front end surface of the bearing seat body and is used to limit the installation position of the bearing; the front end cover is provided with a through hole for installing the rotating shaft;

[0009] The rear end cover is fixedly mounted on the rear end surface of the bearing seat body and is used to limit the installation position of the bearing; the rear end cover is provided with a sealing structure for surrounding the annular groove.

[0010] In a possible implementation, the sealing structure includes a first sealing ring and a second sealing ring located inside the first sealing ring, the inner diameter of the first sealing ring is larger than the outer diameter of the annular groove, and the outer diameter of the second sealing ring is smaller than the inner diameter of the annular groove; the inner diameter of the second sealing ring is larger than the aperture of the mounting hole.

[0011] In a possible implementation, two sealing grooves respectively cooperating with the first sealing ring and the second sealing ring are provided on the rear end face of the bearing seat body; and a sealing surface corresponding to the two sealing grooves is provided on the rear end cover.

[0012] In one possible implementation, the front and rear end surfaces of the bearing seat body are provided with connecting holes arranged around the mounting hole, the front end cover and the rear end cover are provided with through holes corresponding to the connecting holes, and the front end cover and the rear end cover are fixedly connected to the bearing seat body by fasteners passing through the through holes and the connecting holes.

[0013] In a possible implementation, the front and rear end surfaces of the bearing seat body are both provided with limiting installation grooves for accommodating the front end cover and the rear end cover, and the connecting hole and the annular groove are arranged on the bottom surface of the limiting installation groove.

[0014] In a possible implementation, the depth of the limiting installation groove located on the rear end surface of the bearing seat body is greater than or equal to the thickness of the rear end cover.

[0015] In a possible implementation, the depth of the annular groove is four-fifths to five-sixths of the thickness of the bearing seat body.

[0016] In a possible implementation, a plurality of reinforcing support columns are provided on a side of the annular groove close to the rear end cover, and the plurality of reinforcing support columns are arranged at intervals along the circumference of the annular groove.

[0017] In a possible implementation, an avoidance groove is provided at the upper end of the bearing seat body, and the fixing holes are symmetrically installed on both sides of the avoidance groove.

[0018] In a possible implementation, the number of the water inlet holes and the number of the water outlet holes are both plural, and are evenly spaced and arranged along the depth direction of the annular groove.

[0019] The beneficial effects of the laser cladding bearing seat provided by the utility model are as follows: compared with the prior art, the laser cladding bearing seat of the utility model is provided with a laser cladding layer in the mounting hole of the bearing seat body, which can enhance the wear resistance of the mounting surface of the mounting hole and ensure that the mounting surface of the bearing seat is not easily damaged; when in use, the bearing is installed in the mounting hole, and the front end cover and the rear end cover are fixedly installed on the bearing seat body to enable the bearing to work stably, wherein the rear end cover is sealed and connected to the annular groove with the help of the sealing structure on the rear end cover, and finally the bearing seat body is fixedly connected in the working area with the help of the fixing hole; a low-temperature medium is added to the annular groove through the water inlet hole, and the low-temperature medium flows out from the water outlet hole to form a circulating flow, and the heat generated during the operation of the bearing is transferred to the bearing seat body and heat exchange occurs with the low-temperature medium, thereby quickly taking away the heat and effectively improving the heat dissipation effect of the bearing seat body; at the same time, the annular groove is arranged around the bearing to make the heat exchange more uniform. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0021] Figure 1 A front view of a laser cladding bearing seat provided in an embodiment of the utility model;

[0022] Figure 2 A cross-sectional view of a laser cladding bearing seat provided in an embodiment of the utility model;

[0023] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0024] Figure 4 A left side view of a laser cladding bearing seat provided in an embodiment of the utility model;

[0025] Figure 5 A right side view of a laser cladding bearing seat provided in an embodiment of the utility model;

[0026] Figure 6 A front view of a laser cladding bearing seat without a front cover and a rear cover installed provided by an embodiment of the utility model;

[0027] Figure 7 A cross-sectional view of a laser cladding bearing seat without a front end cover and a rear end cover installed provided by an embodiment of the utility model;

[0028] Figure 8A rear view of a laser clad bearing seat without a front cover and a rear cover installed according to an embodiment of the utility model.

[0029] Among them, the reference numerals in the figure are:

[0030] 1. Bearing seat body; 11. Fixing hole; 12. Mounting hole; 13. Water inlet hole; 14. Water outlet hole; 15. Sealing groove; 16. Sealing surface; 17. Connecting hole; 18. Limiting mounting groove; 19. Avoidance groove; 2. Laser cladding layer; 3. Annular groove; 31. Strengthening support column; 4. Front end cover; 41. Through hole; 42. Through hole; 43. Fastener; 5. Rear end cover; 51. Sealing structure; 52. First sealing ring; 53. Second sealing ring. DETAILED DESCRIPTION

[0031] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0032] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0033] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0035] See also Figures 1 to 8Now, the laser cladding bearing seat provided by the utility model is described. A laser cladding bearing seat comprises a bearing seat body 1, a laser cladding layer 2, an annular groove 3, a front end cover 4 and a rear end cover 5; the bearing seat body 1 is provided with a fixing hole 11 for fixed connection and a mounting hole 12 for mounting a bearing; a water inlet hole 13 and a water outlet hole 14 are respectively provided on the left and right side surfaces of the bearing seat body 1; the laser cladding layer 2 is provided on the hole wall of the mounting hole 12; the annular groove 3 is opened on the rear end surface of the bearing seat body 1 and extends inwardly along the width direction of the bearing seat body 1, the depth of the annular groove 3 is less than the thickness of the bearing seat body 1, and the annular groove 3 is arranged around the mounting hole 12; the water inlet hole 13 and the water outlet hole 14 are both connected with the annular groove 3; the front end cover 4 is fixedly installed on the front end surface of the bearing seat body 1 and is used to limit the mounting position of the bearing; the front end cover 4 is provided with a through hole 41 for mounting a rotating shaft; the rear end cover 5 is fixedly installed on the rear end surface of the bearing seat body 1 and is used to limit the mounting position of the bearing; the rear end cover 5 is provided with a sealing structure 51 for surrounding the annular groove 3.

[0036] Compared with the prior art, the laser cladding bearing seat provided by the utility model has a laser cladding layer 2 arranged in the mounting hole 12 of the bearing seat body 1, which can enhance the wear resistance of the mounting surface of the mounting hole 12 and ensure that the mounting surface of the bearing seat is not easily damaged; when in use, the bearing is installed in the mounting hole 12, and the front end cover 4 and the rear end cover 5 are fixedly installed on the bearing seat body 1, so that the bearing can work stably, wherein the rear end cover 5 is sealed and connected with the annular groove 3 by means of the sealing structure 51 on the rear end cover 5, and finally the bearing seat body 1 is fixedly connected in the working area by means of the fixing hole 11; a low-temperature medium is added to the annular groove 3 through the water inlet hole 13, and flows out from the water outlet hole 14 to form a circulating flow of the low-temperature medium, and the heat generated during the operation of the bearing is transferred to the bearing seat body 1, and heat exchange occurs with the low-temperature medium, thereby quickly taking away the heat, effectively improving the heat dissipation effect of the bearing seat body 1; at the same time, the annular groove 3 is arranged around the bearing to make the heat exchange more uniform.

[0037] See also Figures 1 to 3 , Figure 7 As a specific embodiment of the laser cladding bearing seat provided by the utility model, the sealing structure 51 includes a first sealing ring 52 and a second sealing ring 53 located inside the first sealing ring 52. The inner diameter of the first sealing ring 52 is larger than the outer diameter of the annular groove 3, and the outer diameter of the second sealing ring 53 is smaller than the inner diameter of the annular groove 3; the inner diameter of the second sealing ring 53 is larger than the aperture of the mounting hole 12; that is, the annular groove 3 is located in the annular region between the first sealing ring 52 and the second sealing ring 53, so that the low-temperature medium in the annular groove 3 will not leak out. At the same time, the second sealing ring 53 is arranged around the mounting hole 12, so that the second sealing ring 53 works effectively.

[0038] See also Figure 2 and Figure 3 As a specific embodiment of the laser cladding bearing seat provided by the utility model, the rear end surface of the bearing seat body 1 is provided with two sealing grooves 15 respectively matched with the first sealing ring 52 and the second sealing ring 53; the rear end cover 5 is provided with a sealing surface 16 corresponding to the two sealing grooves 15; with the help of the two sealing grooves 15, the first sealing ring 52 and the second sealing ring 53 are reliably installed and will not shift, ensuring that the annular groove 3 has good sealing characteristics. At the same time, the rear end cover 5 is provided with a sealing surface 16 in contact with the first sealing ring 52 and the second sealing ring 53, further improving the sealing performance of the annular groove 3.

[0039] See also Figures 1 to 8 As a specific embodiment of the laser cladding bearing seat provided by the utility model, the front and rear end surfaces of the bearing seat body 1 are both provided with connecting holes 17 arranged around the mounting hole 12, and the front cover 4 and the rear cover 5 are both provided with through holes 42 corresponding to the connecting holes 17, and the front cover 4 and the rear cover 5 are both fixedly connected to the bearing seat body 1 through fasteners 43 passing through the through holes 42 and the connecting holes 17; the connecting holes 17 are provided on the front and rear end surfaces of the bearing seat, and when the front cover 4 and the rear cover 5 are docked and installed on the bearing seat body 1, the through holes 42 on the front cover 4 and the rear cover 5 are aligned with the connecting holes 17 on the bearing seat body 1, and then the fasteners 43 are used to pass through the through holes 42 and connect with the connecting holes 17, so as to realize the fixed connection between the front cover 4, the rear cover 5 and the bearing seat body 1. Specifically, the connecting holes 17 are screw holes, and the fasteners 43 are bolts and spring washers.

[0040] See also Figures 1 to 8 As a specific embodiment of the laser cladding bearing seat provided by the utility model, the front and rear end surfaces of the bearing seat body 1 are both provided with limiting installation grooves 18 for accommodating the front end cover 4 and the rear end cover 5, and the connecting hole 17 and the annular groove 3 are arranged on the bottom surface of the limiting installation groove 18. The limiting installation groove 18 is provided to make the installation of the front end cover 4 and the rear end cover 5 more accurate and firm. With the help of the limiting installation groove 18, the through hole 42 and the connecting hole 17 are also accurately aligned, and then fixed with the fastener 43.

[0041] See also Figures 1 to 3 , Figure 7 and Figure 8 As a specific embodiment of the laser cladding bearing seat provided by the utility model, the depth of the limiting installation groove 18 located on the rear end surface of the bearing seat body 1 is greater than or equal to the thickness of the rear end cover 5, that is, the rear end cover 5 can be completely installed in the limiting installation groove 18 of the bearing seat body 1, and the rear end surface of the bearing seat body 1 is a plane, which is convenient for fixing the bearing seat.

[0042] See also Figure 2As a specific implementation of the laser cladding bearing seat provided by the utility model, the depth of the annular groove 3 is four-fifths to five-sixths of the thickness of the bearing seat body 1, so that the annular groove 3 has a larger depth, thereby increasing the heat exchange area for the heat generated by the bearing and increasing the heat exchange efficiency.

[0043] See also Figures 1 to 3 , Figure 7 and Figure 8 As a specific embodiment of the laser cladding bearing seat provided by the utility model, a plurality of reinforcing support columns 31 are provided on the side of the annular groove 3 close to the rear end cover 5, and the plurality of reinforcing support columns 31 are arranged at intervals along the circumference of the annular groove 3. The provision of the plurality of reinforcing support columns 31 improves the bearing performance and strength of the entire laser cladding bearing seat, and the bearing seat body 1 will not be affected by the provision of the annular groove 3. The reinforcing support columns 31 are provided in plurality, and are evenly arranged at intervals along the circumference of the annular groove 3, and the reinforcing support columns 31 are welded and fixed in the annular groove 3.

[0044] See also Figure 1 , Figure 2 and Figure 6 As a specific embodiment of the laser cladding bearing seat provided by the utility model, the upper end of the bearing seat body 1 is provided with an avoidance groove 19, and the fixing holes 11 are symmetrically installed on both sides of the avoidance groove 19; the avoidance groove 19 is provided so that the bearing seat is not affected during installation, and is particularly suitable for the installation and use of the intermediate roller of the rolling mill. The two fixing holes 11 are opened on both sides of the avoidance groove 19 to make the installation of the entire laser cladding bearing seat more stable and firm.

[0045] See also Figures 4 to 6 As a specific embodiment of the laser cladding bearing seat provided by the utility model, the number of water inlet holes 13 and water outlet holes 14 are both multiple, and are evenly spaced along the depth direction of the annular groove 3; providing multiple water inlet holes 13 and water outlet holes 14 can effectively increase the flow velocity of the low-temperature medium, thereby making the heat exchange efficiency higher, and further improving the heat dissipation effect of the laser cladding bearing seat.

[0046] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A laser cladding bearing seat, characterized in that: include: The bearing seat body is provided with a fixing hole for fixed connection and a mounting hole for mounting the bearing; the left and right side surfaces of the bearing seat body are respectively provided with a water inlet hole and a water outlet hole; A laser cladding layer is provided on the hole wall of the mounting hole; an annular groove, which is formed on the rear end surface of the bearing seat body and extends inwardly along the width direction of the bearing seat body, the depth of the annular groove is less than the thickness of the bearing seat body, and the annular groove is arranged around the mounting hole; the water inlet hole and the water outlet hole are both connected to the annular groove; A front end cover is fixedly mounted on the front end surface of the bearing seat body and is used to limit the installation position of the bearing; the front end cover is provided with a through hole for installing the rotating shaft; The rear end cover is fixedly mounted on the rear end surface of the bearing seat body and is used to limit the installation position of the bearing; the rear end cover is provided with a sealing structure for surrounding the annular groove.

2. The laser cladding bearing seat according to claim 1, characterized in that: The sealing structure includes a first sealing ring and a second sealing ring located inside the first sealing ring, the inner diameter of the first sealing ring is larger than the outer diameter of the annular groove, the outer diameter of the second sealing ring is smaller than the inner diameter of the annular groove; the inner diameter of the second sealing ring is larger than the aperture of the mounting hole.

3. The laser cladding bearing seat according to claim 2, characterized in that: The rear end surface of the bearing seat body is provided with two sealing grooves which are respectively mounted in cooperation with the first sealing ring and the second sealing ring; the rear end cover is provided with a sealing surface corresponding to the two sealing grooves.

4. The laser cladding bearing seat according to claim 1, characterized in that: The front and rear end surfaces of the bearing seat body are provided with connecting holes arranged around the mounting holes, the front end cover and the rear end cover are provided with through holes corresponding to the connecting holes, and the front end cover and the rear end cover are fixedly connected to the bearing seat body by fasteners passing through the through holes and the connecting holes.

5. The laser cladding bearing seat according to claim 4, characterized in that: The front and rear end surfaces of the bearing seat body are both provided with limiting installation grooves for accommodating the front end cover and the rear end cover, and the connecting hole and the annular groove are arranged on the bottom surface of the limiting installation groove.

6. The laser cladding bearing seat according to claim 5, characterized in that: The depth of the limiting installation groove located on the rear end surface of the bearing seat body is greater than or equal to the thickness of the rear end cover.

7. The laser cladding bearing seat according to claim 1, characterized in that: The depth of the annular groove is four-fifths to five-sixths of the thickness of the bearing seat body.

8. The laser cladding bearing seat according to claim 1, characterized in that: A plurality of reinforcing support columns are provided on one side of the annular groove close to the rear end cover, and the plurality of reinforcing support columns are arranged at intervals along the circumference of the annular groove.

9. The laser cladding bearing seat according to claim 1, characterized in that: An avoidance groove is provided at the upper end of the bearing seat body, and the fixing holes are symmetrically installed on both sides of the avoidance groove.

10. The laser cladding bearing seat according to claim 1, characterized in that: The water inlet holes and the water outlet holes are both in plurality and are evenly spaced and arranged along the depth direction of the annular groove.

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