CN210919810U

CN210919810U - Lathe spindle bearing

Info

Publication number: CN210919810U
Application number: CN201921627264.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Zhongxiang Automation Technology Co ltd
Current assignee: Zhejiang Zhongxiang Automation Technology Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-07-03
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a lathe main shaft bearing, including left bearing sleeve, right bearing sleeve, left side location cardboard and right location cardboard, semi-circular spacing draw-in groove has all been seted up with right bearing sleeve's outer wall to left side bearing sleeve, the through-hole that a plurality of evenly spaced distribution was all seted up to left side bearing sleeve and right bearing sleeve's inboard lateral wall, and every through-hole communicates with left bearing sleeve and right bearing sleeve's semi-circular spacing draw-in groove inner chamber respectively, the inboard lateral wall of left side location cardboard and right location cardboard all is equipped with a plurality of steel ball and places the seat, and but the most advanced of seat is all embedded to have free rotation's steel ball to every steel ball, left side location cardboard and right location cardboard respectively with left bearing sleeve and right bearing sleeve block, every steel ball is placed the seat and is just right with every through-hole respectively, and the diameter of every steel ball is 1.5. The utility model relates to a lathe main shaft bearing is convenient for install and dismantle, removable new steel ball, the life of extension bearing, simple and convenient.

Description

Lathe spindle bearing

Technical Field

The utility model relates to a lathe main shaft bearing correlation technique field specifically is a lathe main shaft bearing.

Background

The bearing is a component for fixing and reducing the load friction coefficient in the mechanical transmission process, and is an important part in the current mechanical equipment; the main function of the device is to support the mechanical rotator, reduce the friction coefficient in the movement process and ensure the rotation precision; therefore, the main shaft of the lathe needs to be provided with a bearing during installation, the existing bearing is inconvenient to replace a new steel ball due to serious abrasion of the steel ball of the bearing caused by long-time use in the actual use process, and the whole bearing cannot be continuously used directly, so that the bearing is inconvenient to design and produce, and the problem is solved conveniently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lathe spindle bearing to solve the problem that proposes among the above-mentioned background art.

In order to solve the technical problem, the utility model provides a following technical scheme: a lathe spindle bearing comprises a left bearing sleeve, a right bearing sleeve, a left positioning clamping plate and a right positioning clamping plate, wherein the main sections of the left bearing sleeve, the right bearing sleeve, the left positioning clamping plate and the right positioning clamping plate are all in a semicircular structure, the left bearing sleeve and the right bearing sleeve are symmetrically distributed in the left and right directions, semicircular limiting clamping grooves are formed in the outer walls of the left bearing sleeve and the right bearing sleeve, a plurality of through holes are formed in the inner side walls of the left bearing sleeve and the right bearing sleeve and are evenly distributed at intervals, each through hole is communicated with the inner cavities of the semicircular limiting clamping grooves of the left bearing sleeve and the right bearing sleeve respectively, the left positioning clamping plate and the right positioning clamping plate are symmetrically distributed in the left and right directions, a plurality of steel ball placing seats are arranged on the inner side walls of the left positioning clamping plate and the right positioning clamping plate, and steel balls capable of freely rotating are embedded in, the left positioning clamping plate and the right positioning clamping plate are respectively clamped with the left bearing sleeve and the right bearing sleeve, each steel ball placing seat is respectively opposite to each through hole, and the diameter of each steel ball is 1.5 times of that of each through hole.

Preferably, threaded holes communicated with the inner cavity of the semicircular limiting clamping groove are formed in the middle positions of the opposite side walls at the two ends of the left bearing sleeve and the right bearing sleeve, and the left threaded hole and the right threaded hole are connected through bolts.

Preferably, the two ends of the inner side wall of the left bearing sleeve and the two ends of the inner side wall of the right bearing sleeve are provided with limit holes communicated with the inner cavity of the semicircular limit clamping groove.

Preferably, the two ends of the inner side wall of the left positioning clamping plate and the two ends of the inner side wall of the right positioning clamping plate both extend radially with the same body to form a limiting column, the tip end of the limiting column is of a spherical surface structure, the inner cavities of the semicircular limiting clamping grooves of the left bearing sleeve and the right bearing sleeve are arranged in the left positioning clamping plate and the right positioning clamping plate, and the limiting columns are respectively in excessive fit with the limiting holes of the left bearing sleeve and the right bearing sleeve.

Preferably, the outer wall of each steel ball extends for 5mm out of the opening position of each through hole.

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

1. the utility model relates to a lathe main shaft bearing is convenient for install and dismantle, removable new steel ball, the life of extension bearing, simple and convenient.

2. The utility model discloses, extend every through-hole open position 5mm through the outer wall with every steel ball, the utility model discloses what preferred set up is 5mm, also can be bigger or littleer, depending on the user demand and decide, as long as satisfy every steel ball extend the length of every through-hole unanimous can to prevent that the main shaft axle center is skew, influence the rotation of lathe main shaft.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is an enlarged view of a structure at a position in fig. 1 according to an embodiment of the present invention.

In the figure: 1. a left positioning clamping plate; 11. a steel ball placing seat; 12. steel balls; 13. a spherical surface structure; 14. a limiting column; 2. a left bearing sleeve; 21. a semicircular limiting clamping groove; 22. a through hole; 23. a limiting hole; 24. a threaded hole; 3. a right bearing sleeve; 4. and a right positioning clamping plate.

Detailed Description

In order to facilitate the use, the embodiment of the utility model provides a lathe main shaft bearing. 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.

Example 1

Referring to fig. 1-2, the present embodiment provides a lathe spindle bearing, which comprises a left bearing sleeve 2, a right bearing sleeve 3, a left positioning clamping plate 1 and a right positioning clamping plate 4, wherein the main cross sections of the left bearing sleeve 2, the right bearing sleeve 3, the left positioning clamping plate 1 and the right positioning clamping plate 4 are all in a semicircular structure, the left bearing sleeve 2 and the right bearing sleeve 3 are symmetrically distributed in the left-right direction, semicircular limiting clamping grooves 21 are respectively formed on the outer walls of the left bearing sleeve 2 and the right bearing sleeve 3, a plurality of through holes 22 are respectively formed on the inner side walls of the left bearing sleeve 2 and the right bearing sleeve 3, each through hole 22 is respectively communicated with the inner cavities of the semicircular limiting clamping grooves 21 of the left bearing sleeve 2 and the right bearing sleeve 3, the left positioning clamping plate 1 and the right positioning clamping plate 4 are symmetrically distributed in the left-right direction, a plurality of steel ball placing seats 11 are respectively formed on the inner side walls of, and the tip of each steel ball placing seat 11 is embedded with a steel ball 12 capable of freely rotating, the left positioning clamping plate 1 and the right positioning clamping plate 4 are respectively clamped with the left bearing sleeve 2 and the right bearing sleeve 3, each steel ball placing seat 11 is respectively opposite to each through hole 22, and the diameter of each steel ball 12 is 1.5 times of that of each through hole 22.

Both ends of the inner side walls of the left bearing sleeve 2 and the right bearing sleeve 3 are provided with limit holes 23 communicated with the inner cavity of the semicircular limit clamping groove 21; the both ends of the inner side wall of the left positioning clamping plate 1 and the right positioning clamping plate 4 are extended radially with the same body to form a limiting column 14, the tip of the limiting column 14 is a spherical surface structure 13, the inner cavities of the semicircular limiting clamping grooves 21 of the left bearing sleeve 2 and the right bearing sleeve 3 are arranged in the left positioning clamping plate 1 and the right positioning clamping plate 4, and the limiting columns 14 and the limiting holes 23 of the left bearing sleeve 2 and the right bearing sleeve 3 are respectively in excessive fit.

In this embodiment, the left bearing sleeve 2 and the right bearing sleeve 3 are connected in a facing manner, then the steel balls 12 which can rotate freely are embedded in the steel ball placing seats 11 of the left positioning clamping plate 1 and the right positioning clamping plate 4, and the outer wall of each steel ball 12 is rotatably clamped into the inner cavity of each through hole 22 of the left bearing sleeve 2 and the inner cavity of each through hole 22 of the right bearing sleeve 3. Then the semi-circular spacing draw-in groove 21 inner chamber of left bearing sleeve 2 and right bearing sleeve 3 is arranged in with left location cardboard 1 and right location cardboard 4, and respectively through spacing post 14 and the spacing hole 23 excessive cooperation of left bearing sleeve 2 and right bearing sleeve 3, can with left location cardboard 1 and right location cardboard 4 respectively with left bearing sleeve 2 and the 3 blocks of right bearing sleeve, the utility model changes the tradition and adopts embedded rolling sleeve's mounting means, directly adopts steel ball 12 and lathe main shaft outer wall to rotate the laminating, in case after the unable normal use of the long-time wearing and tearing of steel ball 12, can dismantle left location cardboard 1 and right location cardboard 4, change steel ball 12, facilitate the use.

Example 2

Referring to fig. 1-2, a further improvement is made on the basis of embodiment 1:

wherein, the screw hole 24 with the intercommunication of the 21 inner chambers of semicircular spacing draw-in groove is all seted up to the both ends relative lateral wall middle part position of left bearing sleeve 2 and right bearing sleeve 3, and controls two relative screw holes 24 and pass through bolted connection, through two relative screw holes 24 in bolted connection left bearing sleeve 2 and right bearing sleeve 3's both ends, can be in the same place left bearing sleeve 2 and right bearing sleeve 3 fixed connection.

The outer wall of every steel ball 12 extends every through-hole 22 open position 5mm, this practicality preferred setting be 5mm, also can be bigger or littleer, depending on the user demand and decide, as long as satisfy every steel ball 12 extend every through-hole 22 length unanimous can to prevent that the main shaft axle center is skew, influence the rotation of lathe main shaft.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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 lathe main shaft bearing, includes left bearing sleeve (2), right bearing sleeve (3), left location cardboard (1) and right location cardboard (4), its characterized in that: the main visual cross sections of the left bearing sleeve (2), the right bearing sleeve (3), the left positioning clamping plate (1) and the right positioning clamping plate (4) are all of a semicircular structure, the left bearing sleeve (2) and the right bearing sleeve (3) are symmetrically distributed in the left-right direction, the outer walls of the left bearing sleeve (2) and the right bearing sleeve (3) are respectively provided with a semicircular limiting clamping groove (21), the inner side walls of the left bearing sleeve (2) and the right bearing sleeve (3) are respectively provided with a plurality of through holes (22) which are uniformly distributed at intervals, each through hole (22) is respectively communicated with the inner cavities of the semicircular limiting clamping grooves (21) of the left bearing sleeve (2) and the right bearing sleeve (3), the left positioning clamping plate (1) and the right positioning clamping plate (4) are symmetrically distributed in the left-right direction, the inner side walls of the left positioning clamping plate (1) and the right positioning clamping plate (4) are respectively provided with a plurality of, and the tip of each steel ball placing seat (11) is embedded with a steel ball (12) capable of rotating freely, the left positioning clamping plate (1) and the right positioning clamping plate (4) are respectively clamped with the left bearing sleeve (2) and the right bearing sleeve (3), each steel ball placing seat (11) is respectively opposite to each through hole (22), and the diameter of each steel ball (12) is 1.5 times of that of each through hole (22).

2. A lathe spindle bearing according to claim 1, wherein: threaded holes (24) communicated with the inner cavity of the semicircular limiting clamping groove (21) are formed in the middle positions of the two opposite side walls at the two ends of the left bearing sleeve (2) and the right bearing sleeve (3), and the two opposite threaded holes (24) are connected through bolts.

3. A lathe spindle bearing according to claim 1, wherein: and the two ends of the inner side wall of the left bearing sleeve (2) and the right bearing sleeve (3) are provided with limit holes (23) communicated with the inner cavity of the semicircular limit clamping groove (21).

4. A lathe spindle bearing according to claim 3, wherein: the inboard lateral wall both ends of left side location cardboard (1) and right side location cardboard (4) all extend radially with the body and have spacing post (14), and the pointed end of spacing post (14) is ball profile structure (13), the semi-circular spacing draw-in groove (21) inner chamber of left bearing sleeve (2) and right bearing sleeve (3) is arranged in to left side location cardboard (1) and right side location cardboard (4), and passes through spacing post (14) and the spacing hole (23) excessive cooperation of left bearing sleeve (2) and right bearing sleeve (3) respectively.

5. A lathe spindle bearing according to claim 1, wherein: the outer wall of each steel ball (12) extends out of the opening position of each through hole (22) by 5 mm.