CN213711627U

CN213711627U - CHH45 type linear guide rail capable of automatically adjusting gravity center high stability

Info

Publication number: CN213711627U
Application number: CN201921664484.4U
Authority: CN
Inventors: 王善良
Original assignee: Suzhou Huazheng Industrial Technology Co ltd
Current assignee: Suzhou Huazheng Industrial Technology Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2021-07-16
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses an automatic adjust focus high stationarity CHH45 type linear guide, including guide rail 1 and complex slider 2 with it, guide rail 1 is equipped with circular arc slot 3, slider 2 is equipped with ball chain 4 and ball and keeps ware 5, ball chain 4 with linear guide 1's the above-mentioned contact angle is 45, guide rail 1 and slider 2's straightness accuracy is between 0-0.01mm, the utility model provides a pair of linear guide device can be when ball motion under the condition that the atress caused focus skew to influence its motion accuracy, the automatically regulated focus guarantees linear guide's the stable reciprocating motion of high accuracy, and the keep ware that specially is equipped with on the slider can prevent droing and reducing the roll friction power of ball, prolongs the life of ball and linear guide device.

Description

CHH45 type linear guide rail capable of automatically adjusting gravity center high stability

Technical Field

The utility model relates to a sharp guiding device technical field, in particular to automatically regulated focus high stationarity CHH45 type linear guide.

Background

The linear guide rail is mainly applied to mechanical structures with higher precision requirements. The linear guide rail is also called a linear rail, a slide rail, a linear guide rail and a linear slide rail, and is used for supporting and guiding a moving part to reciprocate linearly in a given direction. The massage eraser has certain properties, and the linear motion guide rails can be divided into sliding friction guide rails, rolling friction guide rails, elastic friction guide rails, fluid friction guide rails and the like.

Along with the rapid development of industries such as automobile manufacturing industry, rail transit, medical apparatus, intelligent automatic processing, automatic detection and measurement, the demand of a linear guide rail is rapidly increased, the linear guide rail is applied to various mechanical structures with higher precision requirements, so that the working environment of the linear guide rail becomes diversified, the linear guide rail is used as a novel supporting part and needs to bear up-down, left-right forces, bumping moments, shaking moments, swinging moments and the like according to different working environments and different load bearing forces of a slider, the moving ball in the slider assembly deviates from a running track and falls off from the running track due to overlarge load, the motion precision and the service life of the moving ball are influenced, the utility model aims to provide a linear guide rail device which can freely adjust the gravity center of the ball and prevent the ball from falling off from the running raceway in the running process, so that the ball does not deviate from the running raceway and fall off from the track in the running process, the high-precision stable linear reciprocating motion of the linear guide rail is ensured, so that the precision of high-precision machinery is ensured.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatically regulated focus high stationarity CHH45 type linear guide can solve among the current linear guide ball and cause focus unstability and follow device to drop because of the atress in the operation process to influence linear guide's reciprocating motion precision and the technical problem of stationarity, provide an automatically regulated focus high stationarity CHH45 type linear guide and solve above-mentioned problem. For realizing the purpose of the utility model, the utility model discloses a technical scheme include: the guide rail is provided with an arc groove, the sliding block is provided with a ball chain and a ball retainer, the contact angle between the ball chain and the upper surface of the guide rail is 45 degrees, and the straightness of the guide rail and the sliding block is 0-0.01 mm.

Furthermore, the roughness Ra of the guide rail and the slide block is less than or equal to 1.6.

Further, the surface hardness of the guide rail and the sliding block is HRC: 58-64.

Compared with the prior art, the beneficial effects of the utility model include: the ball retainer is specially arranged, the contact angle between the upper surface of the guide rail and the balls in the linear guide rail device is 45 degrees, so that the gravity center of the linear guide rail device can be automatically adjusted under the condition that the movement precision of the linear guide rail device is influenced by the gravity center shift caused by stress when the balls move, the high-precision stable reciprocating motion of the linear guide rail is ensured, the retainer specially arranged on the sliding block can prevent the balls from falling off and reduce the rolling friction force, and the service lives of the balls and the linear guide rail device are prolonged.

The utility model discloses a straightness accuracy of guide rail and slider is 0 ~ 0.01mm, has guaranteed the motion precision of ball chain, has guaranteed linear guide device's high accuracy reciprocating motion ability.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is understood that the following drawings only show some embodiments of the invention and are therefore not to be considered limiting of its scope, for a person skilled in the art to derive from them other relevant drawings without inventive effort, which are within the scope of the invention.

FIG. 1 is a schematic structural diagram of a CHH45 type linear guide rail with automatically adjusted center of gravity and high smoothness;

fig. 2 is a cross section of a guide rail in a CHH45 type linear guide rail with automatically-adjusted high-stability gravity center.

In the drawings: 1. a guide rail; 2. a slider; 3. a circular arc groove; 4. a ball chain; 5. a ball retainer.

Detailed Description

In view of the deficiencies in the prior art, the technical solution of the present invention can be provided through long-term research and a large amount of practice. The technical solution 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.

FIG. 1 is a schematic structural diagram of a CHH45 type linear guide rail with automatically adjusted center of gravity and high smoothness; fig. 2 is a guide rail section view among automatic adjustment focus high stationarity CHH45 type linear guide, as shown in fig. 1 and fig. 2, the embodiment of the utility model provides an automatic adjustment focus high stationarity CHH45 type linear guide, including guide rail 1 and complex slider 2 with it, guide rail 1 is equipped with circular arc slot 3, slider 2 is equipped with ball chain 4 and ball holder 5, circular arc slot 3 is 45 with the contact angle of ball chain 4, the straightness accuracy of guide rail 1 and slider 2 is at 0-0.01 mm.

The embodiment of the utility model provides a pair of automatically regulated focus high stationarity CHH45 type linear guide, guide rail 1 is less than or equal to 1.6 with slider 2's roughness Ra.

The embodiment of the utility model provides an automatically regulated focus high stationarity CHH45 type linear guide, the surface hardness of guide rail 1 and slider 2 is in HRC 58-64.

The utility model provides a pair of automatically regulated focus high stationarity CHH45 type linear guide should understand, and above-mentioned embodiment is only for the explanation the utility model discloses a technical conception and characteristics, its aim at let the personage of familiar with this technique can understand the utility model discloses a content and according to with the implementation, can not restrict with this the utility model discloses a protection scope. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. A CHH45 type linear guide rail capable of automatically adjusting high stability of center of gravity is characterized by comprising: the guide rail structure comprises a guide rail (1) and a sliding block (2) matched with the guide rail, wherein the guide rail (1) is provided with an arc groove (3), the sliding block (2) is provided with a ball chain (4) and a ball retainer (5), the contact angle between the ball chain (4) and the upper surface of the linear guide rail (1) is 45 degrees, the straightness of the guide rail (1) and the sliding block (2) is 0-0.01mm, and the surface hardness of the guide rail (1) and the sliding block (2) is HRC: 58-64.

2. The automatic high-stability-center-of-gravity-adjusting CHH45 type linear guide rail as claimed in claim 1, wherein: the roughness Ra of the guide rail (1) and the sliding block (2) is less than or equal to 1.6.