CN217301286U

CN217301286U - Precision roller for machine tool

Info

Publication number: CN217301286U
Application number: CN202123122004.1U
Authority: CN
Inventors: 欧阳娟; 候利昌; 潘万里; 陈伟光
Original assignee: Changzhou Baou Bearing Co ltd
Current assignee: Changzhou Baou Bearing Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-08-26
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a precision roller for a machine tool, which relates to the technical field of rollers, and comprises a roller assembly, wherein the roller assembly comprises a first roller body, a second roller body arranged at the end part of the first roller body and a third roller body arranged at the end part of the second roller body, a fifth jack is arranged inside the first roller body, a third jack is arranged inside the second roller body, a sixth jack is arranged inside the third roller body, a first plug block is arranged between the fifth jack and the third jack, and a sleeve assembly is sleeved outside the roller assembly, is beneficial to storing the lubricating oil, and the lubricating oil can not be quickly lost.

Description

Precision roller for machine tool

Technical Field

The utility model belongs to the technical field of the roller, concretely relates to precision roller for lathe.

Background

The roller is a component bearing load when the bearing operates, is the weakest part in the roller bearing, has great influence on the rotation precision, vibration, noise, flexibility and the like of the bearing due to the manufacturing quality, is a main factor influencing the service life of the bearing, has more types, is divided into a tapered roller, a cylindrical roller, a spherical roller, a spiral roller, various needle rollers and the like according to the shape and the size, is generally used for the cylindrical roller bearing in a machine tool, but the existing roller still has defects when in use, the size of the roller needs to be customized, the size cannot be changed according to the size of the bearing, and lubricating oil can quickly flow away on the surface of the roller, so that the lubricating oil is not beneficial to lubricating the roller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a precision roller is used to lathe to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: precision roller for lathe, including roller assembly, roller assembly includes first roller body, installs at the second roller body of this tip of first roller and installs the third roller body at this tip of second roller, fifth jack has been seted up to the inside of first roller body, the third jack has been seted up to the inside of second roller body, the sixth jack has been seted up to the inside of third roller body, install first inserted block between fifth jack and the third jack, install the second inserted block between sixth jack and the fourth jack.

Preferably, the roller assembly is externally sleeved with a sleeve assembly, and the sleeve assembly comprises a first sleeve, a second sleeve mounted at the end part and a third sleeve mounted at the end part.

Preferably, through holes are formed in the first sleeve, the second sleeve and the third sleeve, and two first jacks and two second jacks are symmetrically formed in the side walls of the two end parts of the first sleeve, the second sleeve and the third sleeve;

a first connecting pin is arranged between the first sleeve and the second sleeve, and a second connecting pin is arranged between the second sleeve and the third sleeve.

Preferably, the first insert block and the second insert block are both cross-shaped structures, and the first connecting pin and the second connecting pin are both cylindrical structures.

Preferably, the inner wall of the first sleeve is in transition fit with the outer wall of the first roller body, and the first sleeve and the first roller body are both made of bearing steel.

Preferably, the roller assembly has the same length as the sleeve assembly.

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

(1) the utility model discloses in, through the roller subassembly structure that sets up, link together two roller bodies through the inserted block, three roller body passes through the inserted block and connects, is favorable to the length of extension roller to be favorable to the roller assembly to use in the bearing of different length, when making the roller, do not need to customize roller size specially and bearing cooperation to use, it is more convenient to produce the roller.

(2) The utility model discloses in, through at roller assembly externally mounted sleeve pipe assembly, the through-hole has been seted up on the sleeve pipe assembly, when using the bearing, to roller department's additional lubrication oil, lubricating oil contacts with roller assembly through the sleeve pipe assembly again, and lubricating oil remains in the through-hole of sleeve pipe assembly, is favorable to storing lubricating oil, and lubricating oil can not run off fast, and lubricated roller's effect is better, is favorable to improving the life of roller.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the bushing assembly of the present invention;

fig. 3 is a side view of a second bushing of the present invention;

fig. 4 is a schematic structural view of the roller assembly of the present invention;

fig. 5 is an exploded view of the roller assembly of the present invention;

fig. 6 is a side view of a first roller body of the present invention;

fig. 7 is a side view of a second roller body of the present invention;

fig. 8 is a side view of a third roller body of the present invention;

in the figure: 1-a first sleeve; 2-a second sleeve; 3-a third sleeve; 4-a through hole; 5-a first connecting pin; 6-a second connecting pin; 7-a first receptacle; 8-a second receptacle; 9-a first roller body; 10-a second roller body; 11-a third roller body; 12-a first insert; 121-a fifth receptacle; 13-a second insert; 131-a sixth jack; 14-a third receptacle; 15-fourth jack.

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. 1-8, the present invention provides the following technical solutions: precision roller for lathe, including roller assembly, roller assembly includes first roller body 9, install the second roller body 10 at first roller body 9 tip and install the third roller body 11 at second roller body 10 tip, fifth jack 121 has been seted up to the inside of first roller body 9, third jack 14 has been seted up to the inside of second roller body 10, sixth jack 131 has been seted up to the inside of third roller body 11, install first inserted block 12 between fifth jack 121 and the third jack 14, install second inserted block 13 between sixth jack 131 and the fourth jack 15.

In this embodiment, specifically, after the end of the first roller body 9 is attached to the end of the second roller body 10, one half of the first insert 12 is inserted into the fifth insertion hole 121 inside the first roller body 9, the other half is inserted into the third insertion hole 14 inside the second roller body 10, one half of the second insert 13 is inserted into the third insertion hole 14 inside the second roller body 10 that is not filled with the first insert 12, and the other half is inserted into the sixth insertion hole 131 inside the third roller body 11, and at this time, the first roller body 9, the second roller body 10, and the third roller body 11 are connected together.

Further, the outer sleeve of the roller assembly is provided with a sleeve assembly, and the sleeve assembly comprises a first sleeve 1, a second sleeve 2 arranged at the end part and a third sleeve 3 arranged at the end part.

In the present embodiment, specifically, when the bushing assembly is mounted on the roller assembly, first, one end of the first connecting pin 5 is inserted into the first insertion hole 7 of the first bushing 1, the other end is inserted into the first insertion hole 7 of the second bushing 2, then, one end part of the second connecting pin 6 is inserted into the second insertion hole 8 of the second sleeve 2 in advance, the other end part is inserted into the second insertion hole 8 of the third sleeve 3 in advance, the first sleeve 1, the second sleeve 2 and the third sleeve 3 are sleeved from the end part of the first roller body 9, and after the first sleeve 1, the second sleeve 2 and the third sleeve 3 are sleeved on the first roller body 9, the second roller body 10 and the third roller body 11, promote first sleeve 1 and third sleeve 3, laminate the tip of first sleeve 1 with the tip of second sleeve 2, the other end of second sleeve 2 and the one end laminating of third sleeve 3.

Further, through holes 4 are formed in the second sleeve 2 and the third sleeve 3, and two first insertion holes 7 and two second insertion holes 8 are symmetrically formed in the side walls of the two end portions of the first sleeve 1, the second sleeve 2 and the third sleeve 3;

a first connecting pin 5 is installed between the first sleeve 1 and the second sleeve 2, and a second connecting pin 6 is installed between the second sleeve 2 and the third sleeve 3, in this embodiment, specifically, the diameters of the first connecting pin 5 and the second connecting pin 6 are the same, and the diameters of the first insertion hole 7 and the second insertion hole 8 are the same.

Further, the first insert block 12 and the second insert block 13 are both in a cross-shaped structure, and the first connecting pin 5 and the second connecting pin 6 are both in a cylindrical structure.

Further, the inner wall of the first sleeve 1 is in transition fit with the outer wall of the first roller body 9, and the first sleeve 1 and the first roller body 9 are both made of bearing steel.

Further, the roller assembly has a length that is the same as the length of the sleeve assembly.

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. Precision roller for lathe, its characterized in that: the roller assembly comprises a roller assembly body (9), a second roller body (10) arranged at the end of the first roller body (9) and a third roller body (11) arranged at the end of the second roller body (10), a fifth insertion hole (121) is formed in the first roller body (9), a third insertion hole (14) is formed in the second roller body (10), a sixth insertion hole (131) is formed in the third roller body (11), a first insertion block (12) is arranged between the fifth insertion hole (121) and the third insertion hole (14), and a second insertion block (13) is arranged between the sixth insertion hole (131) and the fourth insertion hole (15).

2. The precision roller for a machine tool according to claim 1, characterized in that: the roller assembly is characterized in that a sleeve assembly is sleeved outside the roller assembly and comprises a first sleeve (1), a second sleeve (2) installed at the end part and a third sleeve (3) installed at the end part.

3. The precision roller for a machine tool according to claim 2, characterized in that: through holes (4) are formed in the first sleeve (1), the second sleeve (2) and the third sleeve (3), and two first jacks (7) and two second jacks (8) are symmetrically formed in the side walls of the two end parts of the first sleeve (1), the second sleeve (2) and the third sleeve (3);

a first connecting pin (5) is arranged between the first sleeve (1) and the second sleeve (2), and a second connecting pin (6) is arranged between the second sleeve (2) and the third sleeve (3).

4. The precision roller for a machine tool according to claim 3, characterized in that: the first insert block (12) and the second insert block (13) are both of a cross structure, and the first connecting pin (5) and the second connecting pin (6) are both of a cylindrical structure.

5. The precision roller for a machine tool according to claim 4, characterized in that: the inner wall of the first sleeve (1) is in transition fit with the outer wall of the first roller body (9), and the first sleeve (1) and the first roller body (9) are made of bearing steel.

6. The precision roller for a machine tool according to claim 5, characterized in that: the roller assembly has a length that is the same as the length of the sleeve assembly.