CN219082076U - Mute type linear guide rail pair - Google Patents

Abstract

The utility model discloses a mute linear guide rail pair, which comprises rolling ways symmetrically arranged at the tops of two sides of a guide rail, guide grooves are arranged at the tops and bottoms of two sides of the inside of a sliding block, guide pipes are arranged in the middle of the inner sides of the four groups of guide grooves, a plurality of groups of balls are uniformly arranged on the inner sides of the guide pipes, a retainer is jointly arranged on the outer sides of the plurality of groups of balls, and a plurality of groups of separation blocks are arranged on the outer sides of the retainer; according to the utility model, through the mutual matching among the sliding blocks, the balls, the retainer, the guide pipes, the guide grooves and the separation blocks, the mutual collision between adjacent balls can be stopped by utilizing the retainer and the separation blocks on the premise of not changing the contact angle of the sliding blocks, the noise is reduced, and the existing stainless steel retainer is changed into nylon plastic material, so that the noise generated when the balls collide can be absorbed, the transmission of internal noise is reduced, and the effect of reducing the noise is achieved.

Description

Mute type linear guide rail pair

Technical Field

The utility model relates to the technical field of linear guide rail pairs, in particular to a mute linear guide rail pair.

Background

Since the linear guide rail pair is commercialized, the linear guide rail pair gradually replaces the traditional sliding guide rail, is widely applied to precision machinery, becomes an important component part of a numerical control machine tool, an industrial robot and various measuring instruments, and particularly is widely applied as a key functional part of a high-grade numerical control machine tool, and in part of precision instruments, the mute performance of the guide rail pair is extremely important, so that the mute linear guide rail pair is needed;

problems with existing devices: when the existing device is used, the balls can collide with the slider body in a contact manner when rolling in the running process of the slider, and adjacent balls can collide with each other to generate noise, so that the silence performance of the device is poor.

Disclosure of Invention

The present utility model is directed to providing a silent linear guide rail pair to solve the above-mentioned problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the mute type linear guide rail pair comprises a guide rail and a slide block, wherein rolling paths are symmetrically arranged at the tops of two sides of the guide rail, guide grooves are formed in the tops and the bottoms of two sides of the interior of the slide block, guide pipes are arranged in the middle of the inner sides of the guide grooves, a plurality of groups of balls are uniformly arranged on the inner sides of the guide pipes, a retainer is commonly arranged on the outer sides of the balls, and a plurality of groups of separating blocks are arranged on the outer sides of the retainer.

Preferably, grooves matched with the sliding blocks are formed in the middle parts of the two sides of the guide rail, so that stability between the guide rail and the rollaway nest is improved.

Preferably, the roller path is made of an arc-shaped structure, and the radian of the roller path is matched with that of the balls, so that the balls can roll along the roller path.

Preferably, the retainer is made of nylon plastic, has certain noise reduction capability, and can reduce the transmission of internal noise.

Preferably, the two ends of the separation block are provided with arc grooves, the radian of each arc groove is matched with that of the separation block, and two adjacent groups of balls can be separated.

Preferably, the balls are movably connected with the retainer to enable the balls to rotate.

Compared with the prior art, the utility model has the beneficial effects that: this silence formula linear guide pair is through slider, ball, holder, pipe, guide slot and separate the cooperation between the piece for the device is under the prerequisite that does not change slider contact angle, utilizes holder and separate the piece and can stopped striking each other between the adjacent ball, has reduced the production of noise, and changes current stainless steel holder into nylon plastics material, noise when can absorbing the ball striking, thereby reduced the outgoing of internal noise, reached the effect of noise abatement, simultaneously when the ball rolls into the pipe, can make the ball when the circulation rolls in the slider, not striking slider body, thereby noise reduction's production, make the silence effect of device better.

Drawings

FIG. 1 is a front cross-sectional view of the present utility model;

FIG. 2 is a top cross-sectional view of the present utility model;

fig. 3 is a top view of the cage of the present utility model.

In the figure: 1. a guide rail; 2. a raceway; 3. a slide block; 4. a ball; 5. a retainer; 6. a conduit; 7. a guide groove; 8. a separation block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, embodiments of the present utility model are provided: the mute type linear guide rail pair comprises a guide rail 1 and a slide block 3, wherein rollaway nest 2 is symmetrically arranged at the tops of two sides of the guide rail 1, grooves matched with the slide block 3 are arranged at the middle parts of two sides of the guide rail 1, stability between the guide rail 1 and the rollaway nest 2 is improved, guide grooves 7 are arranged at the tops and bottoms of two sides of the inside of the slide block 3, guide pipes 6 are arranged at the middle parts of the inner sides of four groups of guide grooves 7, and a plurality of groups of balls 4 are uniformly arranged at the inner sides of the guide pipes 6;

the ball 4 is swing joint matched with the holder 5 for the ball 4 can rotate, and raceway 2 is made by arc structure, and raceway 2 radian and ball 4 coincide, makes ball 4 can roll along raceway 2, and the outside of multiunit ball 4 is provided with holder 5 jointly, and the material of holder 5 is nylon plastics, has certain ability of making an uproar that falls, and reducible internal noise's outgoing, and the outside of holder 5 is provided with multiunit spacer block 8, and spacer block 8's both ends are provided with the arc wall, and the radian and the spacer block 8 phase-match of arc wall can separate two adjacent groups balls 4.

Working principle: when the device operates, the sliding block 3 can slide along the outer side of the guide rail 1, at the moment, the four rows of balls 4 can roll along the rollaway nest 2 and circularly move in the guide groove 7, when the balls 4 enter the sliding block 3, the balls can roll in the guide pipe 6, collision between the balls 4 and the sliding block 3 can be prevented, noise is reduced, two adjacent groups of balls 4 can be separated through the separation block 8, collision is prevented, noise is further reduced, meanwhile, the cage 5 can absorb noise generated when the balls 4 roll, propagation of internal noise is reduced, and the mute performance of the device is stronger.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected" and "connected" are to be construed broadly, and may be either a fixed connection or a removable connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Claims (6)

1. Mute linear guide pair, including guide rail (1) and slider (3), its characterized in that: raceway (2) have been seted up to the top symmetry of guide rail (1) both sides, the top and the bottom of slider (3) inside both sides are provided with guide slot (7), four sets of the inboard middle part of guide slot (7) is provided with pipe (6), the inboard of pipe (6) evenly is provided with multiunit ball (4), multiunit the outside of ball (4) is provided with holder (5) jointly, the outside of holder (5) is provided with multiunit separation piece (8).

2. The silent linear guide rail pair of claim 1, wherein: grooves matched with the sliding blocks (3) are formed in the middle portions of the two sides of the guide rail (1).

3. The silent linear guide rail pair of claim 1, wherein: the roller path (2) is made of an arc-shaped structure, and the radian of the roller path (2) is matched with that of the ball (4).

4. The silent linear guide rail pair of claim 1, wherein: the retainer (5) is made of nylon plastic.

5. The silent linear guide rail pair of claim 1, wherein: the two ends of the separation block (8) are provided with arc grooves, and the radian of each arc groove is matched with that of the separation block (8).

6. The silent linear guide rail pair of claim 1, wherein: the ball (4) is movably connected with the retainer (5).

Images