CN113309788A

CN113309788A - Welded combined solid comb-shaped bearing retainer and manufacturing method thereof

Info

Publication number: CN113309788A
Application number: CN202110580135.XA
Authority: CN
Inventors: 郭子丽; 林宗伟
Original assignee: Xinghe Zhiyuan Shenzhen Technology Co ltd
Current assignee: Xinghe Zhiyuan Shenzhen Technology Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-08-27

Abstract

The invention discloses a welded combined solid comb bearing retainer and a manufacturing method thereof. According to the invention, through the matching use of the main body ring, the retainer ring, the needle groove, the load needle roller, the rotating shaft, the first jack and the second jack, the load needle roller can stably rotate in the needle groove by utilizing the matching of the rotating shaft and the first jack and the second jack, and then the lubricating oil in the bearing is matched, so that the severe friction between the outer side of the load needle roller and the inner side of the needle groove is avoided, the rotating stability of the load needle roller on the comb-shaped bearing retainer can be greatly improved, and the use effect of the welding combination entity comb-shaped bearing retainer in the bearing is greatly improved.

Description

Welded combined solid comb-shaped bearing retainer and manufacturing method thereof

Technical Field

The invention relates to the technical field of bearing retainers, in particular to a welded combined solid comb-shaped bearing retainer and a manufacturing method thereof.

Background

The comb-shaped bearing retainer refers to a bearing part which is completely or partially wrapped with a rolling body and moves along with the rolling body, is used for isolating the rolling body and generally guiding the rolling body and keeping the rolling body in a bearing, when the rolling bearing works, particularly when the load is complex and the rolling bearing rotates at high speed, the retainer bears great centrifugal force, impact and vibration, large sliding friction exists between the retainer and the rolling body, a large amount of heat is generated, and the common retainer is mainly divided into a metal retainer and a non-metal retainer according to the material types.

In the process of high-speed rotation of the roller needle in the current comb-shaped bearing, if the roller needle is limited only by the roller needle groove, severe friction is easily caused between the roller needle and the inner side of the roller needle groove, so that the abrasion degree of the whole roller needle bearing is accelerated, and the roller needle is very unstable in the rotation process after the bearing is used for a long time; meanwhile, when the conventional comb bearing retainer is used in a bearing, lubricating oil in the bearing is difficult to stably flow to two ends of the needle roller, and the friction between two ends of the needle roller and the inner part of the needle roller groove can be greatly improved without lubricating oil in the rotating process of the needle roller, so that the temperature of the whole bearing in the using process is improved, and the service life of the bearing provided with the comb bearing retainer is greatly shortened.

Disclosure of Invention

The present invention is directed to a welded solid comb bearing retainer and a method for manufacturing the same, which solves the above-mentioned problems.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a welding combination entity comb bearing holder, includes the main part ring, the needle groove has evenly been seted up to the both ends symmetry in the main part ring outside, first jack has been seted up to the inside one end that is close to each other of needle groove, the inside in needle groove is provided with the load kingpin, and the both ends symmetry of load kingpin installs the axis of rotation of mutually supporting with first jack, the both ends symmetry of main part ring is provided with the retaining ring, and the one end symmetry that two sets of retaining rings are close to each other evenly sets up the second jack of mutually supporting with the axis of rotation, the connecting oilhole that communicates each other with first jack inside is evenly seted up to the intermediate position department symmetry in the main part ring outside.

Preferably, both inner sides of the needle groove are arc-shaped, and the outer diameter of the load needle is slightly smaller than the inner diameter of the needle groove.

Preferably, the inner diameter of the first insertion hole is slightly larger than the outer diameter of the rotating shaft, and the length of the needle groove is slightly larger than the length of the loading needle roller.

Preferably, the inner diameter size of retaining ring and main part ring is the same, the external diameter size of retaining ring and main part ring is the same.

Preferably, twelve groups of needle grooves are uniformly and symmetrically formed in the two ends of the outer side of the main body ring.

Preferably, two sets of the contact site at retaining ring and main part ring both ends passes through welded connection.

Preferably, the manufacturing method of the welded combined solid comb bearing retainer comprises the following steps:

firstly, putting a main body ring on a corresponding machining table of a turning room, fixing the middle position of the outer side of the main body ring, and gradually cutting needle grooves at two ends of the outer side of the main body ring;

secondly, drilling a first jack at the innermost end of each group of needle rolling grooves, simultaneously uniformly drilling a second jack with the same size as the first jack on one side of each group of retainer rings, then gradually drilling connecting oil holes at the middle position outside the main body ring, and communicating each group of connecting oil holes with the corresponding first jacks;

thirdly, insert the inside in every group needle groove with the load kingpin that both ends have the axis of rotation at last for a set of axis of rotation inserts the inside of first jack, later with the welding of two sets of retaining rings at the both ends of main part ring.

Compared with the prior art, the invention provides a welded combined solid comb bearing retainer and a manufacturing method thereof, and the welded combined solid comb bearing retainer has the following beneficial effects:

1. according to the invention, through the matching use of the main body ring, the retainer ring, the needle groove, the load needle roller, the rotating shaft, the first jack and the second jack, the load needle roller can stably rotate in the needle groove by utilizing the matching of the rotating shaft and the first jack and the second jack, and then the lubricating oil in the bearing is matched, so that the severe friction between the outer side of the load needle roller and the inner side of the needle groove is avoided, the rotating stability of the load needle roller on the comb-shaped bearing retainer can be greatly improved, and the use effect of the welding combination entity comb-shaped bearing retainer in the bearing is greatly improved.

2. According to the invention, through the matching use of the main body ring, the connecting oil hole, the needle groove, the load needle roller, the first insertion hole and the second insertion hole, in the rotation process of the load needle roller, lubricating oil in the bearing can be attached to most parts of the outer side of the load needle roller, and part of the lubricating oil in the bearing can flow into the first insertion hole through the connecting oil hole, so that the rotation shaft positioned in the first insertion hole can rotate more stably, the rotation of the load needle roller is more stable, the outer side and two ends of the load needle roller are prevented from generating larger friction with the inner part of the needle groove, the heat production quantity of the bearing provided with the comb-shaped bearing retainer is reduced, and the service life of the bearing of the comb-shaped bearing retainer is greatly prolonged.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a first exploded view of the present invention;

FIG. 3 is a second exploded view of the present invention;

FIG. 4 is a perspective view of the present invention with the loaded needles removed;

FIG. 5 is a first perspective view of the body ring of the present invention;

fig. 6 is a second perspective view of the body ring of the present invention.

In the figure: 1. a body ring; 2. a retainer ring; 3. a connecting oil hole; 4. a needle rolling groove; 5. loading the roller pins; 6. a rotating shaft; 7. a first jack; 8. a second receptacle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a welding combination entity comb bearing holder and manufacturing method thereof, including main part ring 1, the both ends symmetry in the main part ring 1 outside has evenly seted up needle groove 4, the first jack 7 has been seted up to the inside one end that is close to each other of needle groove 4, the inside of needle groove 4 is provided with load kingpin 5, and the both ends symmetry of load kingpin 5 installs the axis of rotation 6 that mutually supports with first jack 7, the both ends symmetry of main part ring 1 is provided with retaining ring 2, and the one end symmetry that two sets of retaining ring 2 are close to each other evenly sets up second jack 8 with axis of rotation 6 mutually supports, the intermediate position department symmetry in the main part ring 1 outside evenly sets up the connection oil hole 3 with the inside intercommunication of first jack 7.

Further, both inner sides of the needle roller groove 4 are arc-shaped, and the outer diameter of the load needle roller 5 is slightly smaller than the inner diameter of the needle roller groove 4, which helps the load needle roller 5 to stably rotate in the needle roller groove 4.

Further, the inner diameter of the first insertion hole 7 is slightly larger than the outer diameter of the rotation shaft 6, and the length of the needle roller groove 4 is slightly larger than the length of the load needle roller 5, which helps the rotation shaft 6 to stably rotate inside the first insertion hole 7 during the rotation of the load needle roller 5.

Further, retaining ring 2 is the exact same with the internal diameter size of main part ring 1, and retaining ring 2 is the exact same with the external diameter size of main part ring 1, helps installing the inside at the bearing with whole entity comb bearing holder is stable.

Furthermore, twelve groups of needle grooves 4 are uniformly and symmetrically formed in two ends of the outer side of the main body ring 1, so that the bearing is beneficial to being improved in the rotating process and can be more stable under the stress condition.

Furthermore, the contact parts of the two sets of retainer rings 2 and the two ends of the main body ring 1 are connected by welding, which is beneficial to improving the stable rotation of the load roller pins 5 in the roller pin grooves 4.

Further, a manufacturing method of the welded and combined solid comb-shaped bearing retainer comprises the following steps:

firstly, putting a main body ring 1 on a corresponding machining table of a turning room, fixing the middle position of the outer side of the main body ring 1, and gradually cutting needle roller grooves 4 at two ends of the outer side of the main body ring 1;

secondly, drilling a first jack 7 at the innermost end of each group of needle rolling grooves 4, simultaneously uniformly drilling a second jack 8 with the same size as the first jack 7 at one side of each group of retainer rings 2, then gradually and uniformly drilling connecting oil holes 3 at the middle position of the outer side of the main body ring 1, wherein each group of connecting oil holes 3 are communicated with the corresponding first jacks 7;

and thirdly, finally, inserting the load roller pins 5 with the rotating shafts 6 at two ends into the inner parts of each group of roller pin grooves 4, so that one group of rotating shafts 6 are inserted into the inner parts of the first inserting holes 7, and then welding the two groups of retainer rings 2 at two ends of the main body ring 1.

Embodiment 1, as shown in fig. 1 to 6, when the comb-shaped retainer needs to be installed inside a bearing, the solid comb-shaped retainer is firstly sleeved outside an inner ring of the bearing, and a plurality of sets of load needles 5 are inserted into the needle grooves 4, so that a set of rotating shafts 6 are inserted into the first insertion holes 7, then the interiors of the plurality of sets of needle grooves 4 are all inserted into the load needles 5, then two sets of retainer rings 2 are installed at two ends of a main body ring 1, so that the rotating shafts 6 at ends of the load needles 5 far away from the first insertion holes 7 are correspondingly inserted into the second insertion holes 8, then the two sets of retainer rings 2 are welded with two ends of the main body ring 1, then lubricating oil is uniformly coated on the outer sides of the main body ring 1 and the load needles 5, and finally the outer ring of the bearing is sleeved outside the main body ring 1, thereby completing the installation of the comb-shaped retainer into the bearing.

Embodiment 2, as shown in fig. 1 to 6, when the bearing is in use, all the load needles 5 rotate in the corresponding needle grooves 4, and the rotating shafts 6 at both ends of the load needles 5 rotate in the first insertion holes 7 and the second insertion holes 8, respectively, so that the load needles 5 are greatly prevented from severely rubbing against the inner sides of the needle grooves 4, the lubricating oil coated in the bearing gradually adheres to the outer sides of each set of load needles 5 during the rotation of the load needles 5, and a part of the lubricating oil adheres to the outer sides of the rotating shafts 6, after the bearing rotates at a high speed, heat is gradually generated in the bearing, so that the lubricating oil in the bearing is in a melted state, and after the bearing stops rotating, the partly melted lubricating oil also enters the inner portions of the first insertion holes 7 through the connecting oil holes 3, so that the rotating shafts 6 in the first insertion holes 7 can be sufficiently lubricated by the lubricating oil, the stability of the rotation of the whole load roller pin 5 is improved.

The working principle is as follows: when a bearing is installed, firstly, the welded and combined solid comb-shaped retainer is sleeved on the outer side of the bearing inner ring, then, a plurality of groups of load rolling needles 5 are inserted into the rolling needle grooves 4, a group of rotating shafts 6 are inserted into the first insertion holes 7, then, the interiors of the plurality of groups of rolling needle grooves 4 are all inserted into the load rolling needles 5, then, two groups of retainer rings 2 are installed at the two ends of the main body ring 1, the rotating shafts 6 at the ends, far away from the first insertion holes 7, of the load rolling needles 5 are correspondingly inserted into the interiors of the second insertion holes 8, then, the two groups of retainer rings 2 are welded with the two ends of the main body ring 1, then, lubricating oil is uniformly coated on the outer sides of the main body ring 1 and the load rolling needles 5, and finally, the outer ring of the bearing is sleeved on the outer side of the main body ring 1, so that the comb-shaped retainer is installed in the bearing; when the bearing provided with the welded combination solid comb-shaped retainer is used, the load roller pins 5 rotate in the roller pin grooves 4, and the rotating shafts 6 at the two ends of the load roller pins 5 respectively rotate in the first insertion holes 7 and the second insertion holes 8, so that severe friction between the load roller pins 5 and the inner sides of the roller pin grooves 4 can be greatly avoided, lubricating oil coated in the bearing is gradually attached to the outer sides of each group of load roller pins 5 in the rotating process of the load roller pins 5, part of the lubricating oil is also attached to the outer sides of the rotating shafts 6, after the bearing rotates at a high speed, heat is gradually generated in the bearing, the lubricating oil in the bearing is in a melting state, and part of the melting lubricating oil enters the first insertion holes 7 through the connecting oil holes 3, so that the rotating shafts 6 in the first insertion holes 7 can be fully attached by the lubricating oil, and the rotating stability of the rotating shafts 6 in the first insertion holes 7 is improved, the stability of the rotation of the whole load roller pin 5 is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A welding combination entity comb bearing holder, includes main part ring (1), its characterized in that: the novel needle roller is characterized in that needle roller grooves (4) are uniformly formed in the two ends of the outer side of the main body ring (1), first insertion holes (7) are formed in one ends, close to each other, of the inner portions of the needle roller grooves (4), load needle rollers (5) are arranged in the needle roller grooves (4), rotating shafts (6) matched with the first insertion holes (7) are symmetrically arranged at the two ends of the load needle rollers (5), retainer rings (2) are symmetrically arranged at the two ends of the main body ring (1), two sets of retainer rings (2) are symmetrically and uniformly formed in one ends, close to each other, of the retainer rings (2), second insertion holes (8) matched with the rotating shafts (6) are uniformly formed in the two ends of the main body ring (1), and connecting oil holes (3) communicated with the inner portions of the first insertion holes (7) are uniformly formed in the middle position of the outer side of the main body ring (1).

2. The welded unitized solid comb bearing cage of claim 1, wherein: the inner two sides of the needle groove (4) are both arc-shaped structures, and the outer diameter of the load needle (5) is slightly smaller than the inner diameter of the needle groove (4).

3. The welded unitized solid comb bearing cage of claim 1, wherein: the inner diameter of the first insertion hole (7) is slightly larger than the outer diameter of the rotating shaft (6), and the length of the needle groove (4) is slightly larger than that of the load needle roller (5).

4. The welded unitized solid comb bearing cage of claim 1, wherein: the internal diameter size of retaining ring (2) and main part ring (1) is identical, the external diameter size of retaining ring (2) and main part ring (1) is identical.

5. The welded unitized solid comb bearing cage of claim 1, wherein: twelve groups of needle rolling grooves (4) are uniformly and symmetrically arranged at two ends of the outer side of the main body ring (1).

6. The welded unitized solid comb bearing cage of claim 1, wherein: two sets of retaining ring (2) pass through welded connection with the contact site at main part ring (1) both ends.

7. A manufacturing method of a welded combined solid comb bearing retainer comprises the following steps:

firstly, putting a main body ring (1) on a corresponding machining table of a turning room, fixing the middle position of the outer side of the main body ring (1), and then gradually cutting needle grooves (4) at two ends of the outer side of the main body ring (1);

secondly, drilling a first jack (7) at the innermost end of each group of needle rolling grooves (4), simultaneously uniformly drilling a second jack (8) with the same size as the first jack (7) at one side of two groups of retainer rings (2), then gradually and uniformly drilling a connecting oil hole (3) at the middle position outside the main body ring (1), wherein each group of connecting oil holes (3) are communicated with the corresponding first jacks (7) inside;

and thirdly, inserting the load roller pins (5) with the rotating shafts (6) at two ends into the inner part of each group of roller pin grooves (4) to ensure that one group of rotating shafts (6) are inserted into the inner part of the first insertion hole (7), and then welding the two groups of retainer rings (2) at two ends of the main body ring (1).