CN212611029U

CN212611029U - Spinning is with dividing silk roller bearing assembly

Info

Publication number: CN212611029U
Application number: CN202021113481.4U
Authority: CN
Inventors: 周小林; 丁进
Original assignee: Hangzhou Chichuang Axle Research Technology Co ltd
Current assignee: Hangzhou Chichuang Axle Research Technology Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-02-26
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a yarn separating roller bearing assembly for spinning, which comprises a shell and a shaft connecting bearing assembly, wherein the shaft connecting bearing assembly is fixedly arranged in the shell; the bearing assembly comprises an outer ring, a mandrel, an end seal, a rolling body, a retainer, a combined labyrinth seal and a positioning sleeve, wherein the outer ring is fixedly installed on the inner wall of the shell, the mandrel is arranged in the outer ring, the right end of the mandrel sequentially penetrates through the outer ring and the shell and extends to the outer part of the shell, the end seal is fixedly installed on the left side of the outer ring, the rolling body is arranged on the inner wall of the outer ring, and one side of the rolling body, which is close to the mandrel, is in contact with the surface of the mandrel. The utility model discloses a silk roller shell is divided in even bearing dress that the equipment is more light has reduced rotatory outer lane weight and has adopted littleer bearing center footpath, has reduced start-up and operation moment, and the product operation is more steady, has improved the quality of spinning and the assurance of uniformity and efficiency.

Description

Spinning is with dividing silk roller bearing assembly

Technical Field

The utility model relates to the technical field of textile machinery, specifically be a weaving is with dividing silk roller bearing assembly.

Background

Because spinning quality requirement is higher and higher, chemical fibre spandex silk etc. is reduced to 10D from 30D, and present integration divides silk roller bearing to the inferior potential and more unsatisfied market's demand, and the assembly shortcoming is as follows:

1) the outer ring is provided with the channel, so that the wall thickness is relatively thick, the weight is heavy, and the starting torque is large;

2) the center diameter of the steel ball is relatively large, and the running and starting moments are large;

3) the large starting and running torque and the discrete data result in that the friction force of the wire is smaller than the shaft torque when the wire is in work, the shell of the wire guide wheel jumps, the running jumps, the rotating speed is not uniform, and the quality, consistency and efficiency of the wire are poor.

How to improve and meet the demand that the diameter of the chemical fiber spandex silk is smaller and smaller; how to improve the quality and the efficiency of the spinning is the problem to be solved by the utility model.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a weaving is with dividing silk roller bearing assembly to solve the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a yarn dividing roller bearing assembly for spinning comprises a shell and a shaft connecting bearing assembly, wherein the shaft connecting bearing assembly is fixedly arranged in the shell;

the bearing assembly comprises an outer ring, a mandrel, an end seal, a rolling body, a retainer, a combined labyrinth seal and a positioning sleeve, wherein the outer ring is fixedly installed on the inner wall of a shell, the mandrel is arranged in the outer ring, the right end of the mandrel sequentially penetrates through the outer ring and the shell and extends to the outer part of the shell, the end seal is fixedly installed on the left side of the outer ring, the rolling body is arranged on the inner wall of the outer ring, one side of the rolling body close to the mandrel is in contact with the surface of the mandrel, the combined labyrinth seal is fixedly installed on the right side of the outer ring, the retainer is arranged in the outer ring and is matched with the rolling body for use, and the positioning sleeve is installed in the shell and corresponds to.

Preferably, the outer surface of the shell is subjected to sand blasting and then hard chromium plating.

Preferably, two outer raceways are formed in the outer ring at positions corresponding to the rolling elements.

Preferably, two inner raceways are formed on the surface of the mandrel at positions corresponding to the rolling bodies.

Preferably, the end seal is made of NBR rubber.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. a yarn dividing roller bearing assembly shell for spinning adopts a thin part, the outer surface of the shell is plated with hard chromium after sand blasting, and the weight is reduced by more than 50%.

2. A shaft connecting bearing with the outer ring length of 1/3-1/5 is assembled in a shell of a yarn separating roller bearing assembly for spinning, so that the weight of a rotating combined component of the outer ring and the shell is reduced;

3. a shaft connecting bearing is assembled in a shell of a yarn separating roller bearing assembly for spinning, the central diameter of a raceway of the bearing is relatively smaller by 30% -50%, and a steel ball is directly relatively smaller so as to reduce starting and running torques and reduce the yarn separating roller bearing assembly;

4. a short shaft side of a shaft coupling bearing assembled by a yarn splitting roller bearing assembly for spinning is provided with a rubber end seal for sealing the whole bearing end face, wherein the end seal is made of NBR rubber, so that needle tubes are convenient for oil injection and later maintenance;

5. a shaft coupling bearing long shaft end assembled by a yarn separating roller bearing assembly for spinning is provided with a labyrinth type combined dustproof cover, the sealing performance is better, and high-speed grease is injected between two rows of raceways;

6. if a shaft connecting bearing assembled by the yarn separating roller bearing assembly for spinning is damaged, the shaft connecting bearing can be replaced, and repair and maintenance are facilitated.

The utility model discloses a silk roller shell is divided in even bearing dress that the equipment is more light has reduced rotatory outer lane weight and has adopted littleer bearing center footpath, has reduced start-up and operation moment, and the product operation is more steady, has improved the quality of spinning and the assurance of uniformity and efficiency.

Drawings

Fig. 1 is a structural section view of the present invention.

In the figure: the bearing comprises a shell 1, a shaft-connected bearing assembly 2, an outer ring 201, a core shaft 202, an end seal 203, a rolling body 204, a retainer 205, a labyrinth seal 206 and a positioning sleeve 207.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a yarn separating roller bearing assembly for spinning includes a housing 1 and a shaft coupling bearing assembly 2, the shaft coupling bearing assembly 2 is fixedly installed inside the housing 1, and hard chrome is plated on the outer surface of the housing 1 after sand blasting.

The shaft coupling bearing assembly 2 comprises an outer ring 201, a mandrel 202, an end seal 203, a rolling body 204, a retainer 205, a combined labyrinth seal 206 and a positioning sleeve 207, wherein the outer ring 201 is fixedly arranged on the inner wall of a shell 1, the mandrel 202 is arranged inside the outer ring 201, the right end of the mandrel 202 sequentially penetrates through the outer ring 201 and the shell 1 and extends to the outside of the shell 1, the end seal 203 is fixedly arranged on the left side of the outer ring 201, the end seal 203 is made of NBR rubber, the rolling body 204 is arranged on the inner wall of the outer ring 201, one side of the rolling body 204 close to the mandrel 202 is in contact with the surface of the mandrel 202, two outer raceways are arranged in the outer ring 201 corresponding to the position of the rolling body 204, two inner raceways are arranged on the surface of the mandrel 202 corresponding to the position of the rolling body 204, the combined labyrinth seal 206 is fixedly arranged on the right, a locating sleeve 207 is mounted inside the housing 1 and corresponds to the position of the mandrel 202.

When the device is used, the outer surface of the shell 1 is plated with hard chromium after sand blasting, the weight is reduced by more than 50%, the shell 1 is internally assembled with the shaft connecting bearing of which the length of the outer ring 201 is 1/3-1/5 of the self length of the shell 1, the weight of the outer ring 201 and the shell 1 rotating combined part is reduced, the shell 1 is internally assembled with the shaft connecting bearing, the center diameter of a raceway of the bearing is relatively smaller by 30% -50%, a steel ball is directly relatively smaller so as to reduce the starting and running torque, the wire separating roller bearing assembly is reduced, the end seal 203 is made of NBR rubber, needle tubing oil injection and later maintenance are convenient, if the shaft connecting bearing is damaged, the shaft connecting bearing can be replaced, and the practicability is high.

In summary, the following steps: this weaving is with dividing silk roller bearing assembly through shell 1 and the mutually supporting of axle connection bearing assembly 2, has solved the problem that proposes in the background art.

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. The utility model provides a weaving is with dividing silk roller bearing assembly, includes shell (1) and shaft joint bearing assembly (2), its characterized in that: the shaft connecting bearing assembly (2) is fixedly arranged in the shell (1);

the shaft-connected bearing assembly (2) comprises an outer ring (201), a mandrel (202), an end seal (203), a rolling body (204), a retainer (205), a combined labyrinth seal (206) and a positioning sleeve (207), wherein the outer ring (201) is fixedly installed on the inner wall of a shell (1), the mandrel (202) is arranged inside the outer ring (201), the right end of the mandrel (202) sequentially penetrates through the outer ring (201) and the shell (1) and extends to the outside of the shell (1), the end seal (203) is fixedly installed on the left side of the outer ring (201), the rolling body (204) is arranged on the inner wall of the outer ring (201), one side, close to the mandrel (202), of the rolling body (204) is in mutual contact with the surface of the mandrel (202), the combined labyrinth seal (206) is fixedly installed on the right side of the outer ring (201), the retainer (205) is arranged inside the outer ring (201) and is matched with the rolling body (204), the locating sleeve (207) is arranged inside the shell (1) and corresponds to the position of the mandrel (202).

2. The yarn dividing roller bearing assembly for spinning according to claim 1, wherein: the outer surface of the shell (1) is plated with hard chromium after sand blasting.

3. The yarn dividing roller bearing assembly for spinning according to claim 1, wherein: two outer raceways are arranged in the outer ring (201) at positions corresponding to the rolling bodies (204).

4. The yarn dividing roller bearing assembly for spinning according to claim 1, wherein: two inner raceways are arranged on the surface of the mandrel (202) corresponding to the positions of the rolling bodies (204).

5. The yarn dividing roller bearing assembly for spinning according to claim 1, wherein: the end seal (203) is made of NBR rubber.