CN210715581U

CN210715581U - Linear sliding rail

Info

Publication number: CN210715581U
Application number: CN201921152323.7U
Authority: CN
Inventors: 沈丽民
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-06-09
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a linear slide rail relates to mechanical equipment technical field. Including PA track and PA slider, the first holding plate of inside groove top fixedly connected with of PA slider, the equal fixedly connected with end cover board in both ends about the PA slider, threaded connection has the glib talker on the plate body of end cover board, fixedly connected with second holding plate on the inside groove lateral wall of PA slider, the steel ball row has all been inlayed to the inboard position that corresponds first holding plate and second holding plate of block of PA slider, and the PA slider passes through steel ball row and PA track sliding connection. The steel ball rows move circularly through the end cover plate, the sliding smoothness of the PA sliding block is improved, the PA sliding block adopts the first retaining plate and the second retaining plate to retain the steel ball rows, so that the steel balls cannot fall off even if the PA sliding block is drawn out from the PA track, and each steel ball row is designed to be configured according to a contact angle of 45 degrees, so that the radial direction, the anti-radial direction and the lateral direction on the PA sliding block have the same rated load.

Description

Linear sliding rail

Technical Field

The utility model relates to a mechanical equipment technical field specifically is a linear slide rail.

Background

A guide rail is a groove or ridge made of metal or other material, a means to bear, fix, guide and reduce friction of moving devices or equipment, a longitudinal groove or ridge on the surface of the guide rail, for guiding, fixing machine parts, special equipment, instruments, etc. The guide rail is also called as a slide rail, a linear slide rail and a linear slide rail, is used in the linear reciprocating motion occasion, has higher rated load than a linear bearing, can bear certain torque, and can realize high-precision linear motion under the condition of high load.

However, the existing linear sliding rail is basically a sliding block sliding on the sliding rail under the action of lubricating oil, and after long-time use, the sliding block can be worn or even shifted, so that precision deviation is caused, and machining efficiency is affected.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a linear slide rail possesses stable in structure long service life and smooth precision advantage such as high, has solved the problem that present linear slide rail availability factor is low.

(II) technical scheme

For the purpose that realizes above-mentioned stable in structure long service life and level and smooth precision is high, the utility model provides a following technical scheme: the utility model provides a linear slide rail, includes PA track and PA slider, the first holding plate of inside groove top fixedly connected with of PA slider, the equal fixedly connected with end cover board in both ends about the PA slider, threaded connection has the glib talker on the plate body of end cover board, fixedly connected with second holding plate on the inside groove lateral wall of PA slider, the steel ball row has all been inlayed to the inboard position that corresponds first holding plate and second holding plate of block of PA slider, and the PA slider passes through steel ball row and PA track sliding connection.

As a preferred technical scheme of the utility model, the terminal seal gasket of one side fixedly connected with of PA slider is kept away from to the end cover board.

As a preferred technical solution of the present invention, the bottom of the first retaining plate is fixedly connected with an inner sealing gasket.

As a preferred technical scheme of the utility model, the second keeps the board to be close to the orbital one side fixedly connected with hand hay cutter face seal gasket of PA.

As an optimal technical scheme of the utility model, the steel ball is listed as and rolls along the four rows of rolling surfaces through the precision lapping processing on PA track and the PA slider, makes steel ball row cyclic motion through the end cover board of equipment on the PA slider.

As a preferred technical scheme of the utility model, the steel ball row is according to contact angle 45 configuration.

(III) advantageous effects

Compared with the prior art, the utility model provides a linear slide rail possesses following beneficial effect: the steel ball rows are circularly moved through the end cover plate, the sliding smoothness of the PA slide block is improved, the PA slide block adopts the first holding plate and the second holding plate to hold the steel ball rows, so that the steel balls cannot fall off even if the PA slide block is drawn out from a PA track, each steel ball row is designed to be arranged according to a contact angle of 45 degrees, and the radial direction, the anti-radial direction and the lateral direction on the PA slide block all have the same rated load, so that the PA slide block can be used in any posture, and the PA slide block can be equally pre-pressed, so that the rigidity in the four directions can be enhanced while the lower friction coefficient is maintained.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure: 1. a PA track; 2. a PA slider; 3. a first retention plate; 4. an end cover plate; 5. a terminal sealing gasket; 6. a nozzle tip; 7. a side-cut sealing gasket; 8. a second holding plate; 9. an inner sealing gasket; 10. and (5) steel ball arrays.

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. 1-2, a linear sliding rail includes a PA rail 1 and a PA slider 2, a first retaining plate 3 is fixedly connected to the top of an inner groove of the PA slider 2, end cover plates 4 are fixedly connected to both the left and right ends of the PA slider 2, a nozzle tip 6 is connected to a plate body of the end cover plate 4 in a threaded manner, a second retaining plate 8 is fixedly connected to a side wall of the inner groove of the PA slider 2, steel ball rows 10 are embedded in positions of the inner side of a block of the PA slider 2 corresponding to the first retaining plate 3 and the second retaining plate 8, and the PA slider 2 is slidably connected to the PA rail 1 through the steel ball rows 10.

Specifically, one side of the end cover plate 4, which is far away from the PA slider 2, is fixedly connected with a terminal sealing gasket 5.

In this embodiment, the seal gasket 5 at the end increases the sealing performance at the two ends of the PA slider 2, preventing oil leakage.

Specifically, an inner sealing gasket 9 is fixedly connected to the bottom of the first holding plate 3.

In this embodiment, the internal sealing gasket 9 increases the sealing performance inside the PA slider 2, preventing oil leakage.

Specifically, a side of the second retaining plate 8 close to the PA rail 1 is fixedly connected with a guillotine seal gasket 7.

In this embodiment, the side sealing gasket 7 increases the sealing performance of the side of the PA slider 2, preventing oil leakage.

Specifically, the steel ball row 10 rolls along four rows of rolling surfaces precisely ground on the PA rail 1 and the PA slider 2, and the steel ball row 10 is made to move cyclically by the end cover plate 4 assembled to the PA slider 2.

In this embodiment, the end cover plate 4 makes the steel ball row 10 move circularly, increasing the smoothness of the sliding of the PA slider 2.

Specifically, the steel ball row 10 is disposed at a contact angle of 45 °.

In the present embodiment, the contact angle is set to 45 °, so that the four directions of action, i.e., the radial direction, the anti-radial direction, and the lateral direction, have the same rated load, and thus, the device can be used in any posture.

The utility model discloses a theory of operation and use flow: when the PA slide block 2 is used, the steel ball rows 10 roll along four rows of rolling surfaces which are precisely ground on the PA track 1 and the PA slide block 2, the steel ball rows 10 circularly move through the end cover plate 4 assembled on the PA slide block 2, the PA slide block 2 holds the steel balls through the holding plate, therefore, even if the PA slide block 2 is pulled out from the PA track 1, the steel balls can not fall off, and in order to ensure that the radial direction, the anti-radial direction and the side direction on the PA slide block 2 have the same rated load, each steel ball row 10 is designed to be configured according to a contact angle of 45 degrees, therefore, the PA slide block can be used in any posture, and because uniform prepressing can be applied, the lower friction coefficient can be maintained, the rigidity in four directions is enhanced, meanwhile, the section height is low, and stable high-precision linear motion is obtained.

As described above, in the linear guide rail, the steel ball rows 10 are circulated by the end cover plate 4, the smoothness of the sliding of the PA slider 2 is increased, and the PA slider 2 holds the steel ball rows 10 by the first holding plate 3 and the second holding plate 8, so that the steel balls do not fall off even if the PA slider 2 is pulled out from the PA rail 1, and each steel ball row 10 is designed to be arranged at a contact angle of 45 °, and the four acting directions of the PA slider 2 in the radial direction, the anti-radial direction, and the lateral direction have the same rated load, so that the linear guide rail can be used in any posture, and the rigidity in the four directions can be enhanced while maintaining a low friction coefficient by applying an equal pre-pressure.

It should be noted that, in this document, terms such as "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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 linear slide rail, includes PA track (1) and PA slider (2), its characterized in that: the interior groove top fixedly connected with of PA slider (2) first holding plate (3), the equal fixedly connected with end cover board (4) in both ends about PA slider (2), threaded connection has glib talker (6) on the plate body of end cover board (4), fixedly connected with second holding plate (8) on the interior groove lateral wall of PA slider (2), steel ball row (10) have all been inlayed to the block inboard position that corresponds first holding plate (3) and second holding plate (8) of PA slider (2), and PA slider (2) are through steel ball row (10) and PA track (1) sliding connection.

2. The linear slide of claim 1, wherein: and one side of the end cover plate (4) far away from the PA sliding block (2) is fixedly connected with a terminal sealing gasket (5).

3. The linear slide of claim 1, wherein: the bottom of the first retaining plate (3) is fixedly connected with an inner sealing gasket (9).

4. The linear slide of claim 1, wherein: and a side of the second retaining plate (8) close to the PA track (1) is fixedly connected with a side sealing gasket (7).

5. The linear slide of claim 1, wherein: the steel ball array (10) rolls along four rows of rolling surfaces which are precisely ground on the PA track (1) and the PA sliding block (2), and the steel ball array (10) circularly moves through an end cover plate (4) assembled on the PA sliding block (2).

6. The linear slide of claim 1, wherein: the steel ball row (10) is configured according to a contact angle of 45 degrees.