CN110925302A

CN110925302A - Mute linear guide rail pair

Info

Publication number: CN110925302A
Application number: CN201911312591.5A
Authority: CN
Inventors: 袁忠生; 肖瑞国; 刘兆凯
Original assignee: Shandong Taiwen Precision Machinery Co Ltd
Current assignee: Shandong Taiwen Precision Machinery Co Ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-03-27

Abstract

The application discloses a mute linear guide rail pair, which avoids collision in operation by adopting a chain belt to separate rolling elements, thereby avoiding abrasion caused by collision to a rail and reducing noise caused by collision. The application provides a processing equipment of silence linear guide is vice is simpler, and has higher stability and life, effectively realizes states such as silence, high accuracy, high speed, the extensive using widely of being convenient for.

Description

Mute linear guide rail pair

Technical Field

The application relates to the technical field of linear sliding rails, in particular to a mute linear guide rail pair.

Background

The linear guide pair is a linear motion pair which replaces sliding friction with rolling friction, supports and transmits a carrier by an infinite circulation of a predetermined track through a rolling body (a ball or a roller) and gives a certain guiding precision. The linear guide rail pair is divided into two parts of a guide rail and a slide block, wherein the slide block comprises a slide block body, a rolling element and other components for ensuring the rolling element to roll circularly, and when the linear guide rail pair is used, the slide block moves linearly on the guide rail by taking a steel ball (the rolling element) in the slide block as a medium.

In order to ensure that the linear guide rail pair has good strength and stability, all stressed components on the linear guide rail pair are made of metal materials, and rolling elements can mutually impact in the channel when the linear guide rail pair works normally; the rolling elements will impact when just touching the guide rail; the rolling elements can also impact the wall of the backflow hole in the backflow hole, and the three conditions are superposed to cause larger noise in the operation of the linear guide rail pair. Meanwhile, various impacts can cause abrasion of rolling elements and circulating channels, and the running precision of the linear guide rail pair is influenced.

Disclosure of Invention

The application provides a silence linear guide is vice to solve current linear guide is vice when moving, easily takes place the striking between the adjacent rolling element or between rolling element and the circulation channel, thereby cause the great problem of operating noise, guide rail wearing and tearing seriously.

The application provides a silent linear guide rail pair, which comprises a track and a slide block, wherein the slide block comprises a slide block body, two ends of the slide block body are respectively provided with an end plastic cover, two side surfaces of the track in sliding contact with the slide block body form a linear raceway, the slide block body and the end plastic covers are matched to form a circulating raceway, the linear raceway and the circulating raceway jointly form a running raceway,

the running rolling path is internally provided with a chain belt, the chain belt is provided with a plurality of rolling grooves which are connected in sequence, each rolling groove is internally provided with a rolling element, and the size of each rolling groove is matched with that of the rolling element.

Optionally, a sleeve is arranged in the linear roller path, the sleeve is sleeved outside the chain belt, and two ends of the sleeve are respectively movably connected with the end plastic covers.

Optionally, the slider further includes a spacer, an oil scraping sheet, and a lower retainer, wherein the spacer is located on one side surface of the end plastic cover close to the slider body, and the oil scraping sheet is located on one side surface of the end plastic cover far from the slider body.

Optionally, the chain belt is provided with lugs.

Optionally, the sleeve is provided with an ear canal at a position corresponding to the ear lobe, and the ear canal is matched with the ear lobe.

Optionally, the spacer, the end plastic cover and the oil scraping sheet are provided with grooves corresponding to the lugs, and the grooves are matched with the lugs.

Optionally, the size of each rolling groove is matched with that of the rolling element, specifically, a gap of 0.08-0.15mm is provided between the rolling groove and the rolling element.

The application provides a silence linear guide is vice, adopts the chain belt to do the interval to rolling element and has avoided producing the striking in the operation to avoid causing the wearing and tearing that produce because of the collision to the track, also reduced the noise that produces because of the collision. The application provides a processing equipment of silence linear guide is vice is simpler, and has higher stability and life, effectively realizes states such as silence, high accuracy, high speed, the extensive using widely of being convenient for.

Drawings

In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an exploded view of the structure of a silent linear guide pair according to the present application;

FIG. 2 is a top view of the mute linear guide pair of the present application;

FIG. 3 is a side view of the silent linear guide pair of the present application;

FIG. 4 is a block diagram of a cannula according to the present application;

FIG. 5 is a view showing a structure of a link belt according to the present invention;

FIG. 6 is a schematic view of the end cap and spacer of the present application.

The reference numerals in fig. 1-6 refer to: 1-track, 2-slide, 21-slide body, 22-rolling element, 23-end plastic cover, 24-spacer, 25-oil scraping sheet, 26-groove, 27-upper retainer, 28-lower retainer, 3-linear raceway, 4-circulating raceway, 5-chain belt, 51-rolling groove, 52-lug, 6-sleeve and 61-auditory canal.

Detailed Description

The application provides a silence linear guide is vice, and its structure is shown as figure 1, 2 and 3, and silence linear guide is vice including track 1 and the slider 2 of mutually supporting, and slider 2 includes slider body 21, and slider body 21's both ends are equipped with the end respectively and mould lid 23. Two side surfaces of the track 1 in sliding contact with the slider body 21 form a linear raceway 3, the end surface of the slider body 21 is matched with the end plastic cover 23 to form a circulating raceway 4, and the linear raceway 3 and the circulating raceway 4 jointly form a running raceway.

The running roller path is internally provided with a chain belt 5, as shown in fig. 5, the chain belt 5 is provided with a plurality of rolling grooves 51 which are connected in sequence, each rolling groove 51 is internally provided with a rolling element 22, and when the chain belt is used in detail, the rolling elements 22 run in the running roller path in a rolling manner to drive the chain belt 5 to run synchronously. During rolling, each rolling element 22 runs in rolling motion in the respective rolling groove 51, so that collision with other rolling elements 22 is avoided, wear is reduced, and noise is reduced. To ensure an unobstructed rolling movement of the rolling elements 22 in the rolling grooves 51, the dimensions of each rolling groove 51 are matched to the dimensions of the rolling elements 22 in the present application. If the size of the rolling groove 51 is too small, it is difficult to put the rolling elements 22 into the rolling groove 51, and if the size of the rolling groove 51 is too large, the stopper function for the rolling elements 22 is not good, and the driving function of the rolling elements 22 to the link belt 5 is also affected. In this example, a gap of 0.08-0.15mm is provided between the rolling groove 51 and the rolling element 22. Of course, the size of the gap can be adjusted by those skilled in the art according to actual needs, for example, 0.10mm, which is within the protection scope of the present application.

In order to prevent the chain belt 5 or the rolling elements 22 from colliding with the linear raceway 3 during operation, in the present application, a sleeve 6 is provided inside the linear raceway 3, and as shown in fig. 4, the sleeve 6 is sleeved outside the chain belt 5. When in use, the chain belt 5 and the rolling elements 22 run in the sleeve 6, so that the collision between the chain belt 5 or the rolling elements 22 and the linear roller path 3 in the running process is avoided, the abrasion of the linear roller path 3 caused by collision is avoided, and the noise caused by collision is also reduced.

Cover 23 swing joint is moulded with the end at both ends respectively in the both ends of sleeve pipe 6, and the mode that can realize swing joint at present has the multiple, for example buckle connection, draw-in groove connection etc. in this application, be equipped with the draw-in groove that the card fixed sleeve pipe 6 on the terminal surface of cover 23 is moulded to the end at both ends, during the use, go into the draw-in groove with sleeve pipe 6 card, can realize fixed to sleeve pipe 6, when dismantling or changing sleeve pipe 6, extract sleeve pipe 6 from the draw-in groove in, can realize both's separation. The utility model provides a sleeve 6 can dismantle and change, and in the maintenance process, compare in changing track 1 and slider 2, change sleeve 6 and have lower replacement cost, do benefit to reduction in production cost.

For preventing that the chain belt 5 from taking place the distortion in the motion process to cause the block 2 motion jamming or damage, in this application, set up ear convex 52 on chain belt 5, ear convex 52 can carry out position restriction to chain belt 5, prevents that chain belt 5 from taking place dislocation or distortion in service. The lug 52 is a protrusion provided on the chain belt 5, and in this example, the protrusion is provided at both the upper and lower positions of the chain belt 5, but may be provided at only one position, and they all belong to the protection scope of the present application. In order to match the structure of the lug 52 in use, the sleeve 6 is provided with an ear canal 61 at a position corresponding to the lug 52, and the ear canal 61 can limit the position of the lug 52. When the ear stud 52 is used specifically, the ear stud 52 is clamped into the ear canal 61, and when the ear stud is operated, the ear canal 61 limits the movement of the ear stud 52 in the ear canal 61, so that the chain belt 5 is prevented from rotating in the operation process, and the problem of twisting of the chain belt 5 is solved. In this embodiment, the ear canal 61 and the ear protrusion 52 should be matched in size, so that the operation of the chain belt 5 is not easily affected if the ear canal 61 is too small, and the chain belt 5 cannot be well limited if the ear canal 61 is too large. The gap between the ear canal 61 and the ear boss 52 is not particularly limited, so that the tether 5 is not hindered from running and has a good stopper function.

In this application, the slider 2 further includes a spacer 24, a wiper blade 25, an upper holder 27, and a lower holder 28. as shown in fig. 6, the spacer 24 is provided on one side surface of the end cap 23 close to the slider body 21, and the spacer 24 cooperates with the concave-convex grooves on the side surface of the end cap 23 to form circulation channels. The oil scraping sheet 25 is positioned on one side surface of the end plastic cover 23 far away from the sliding block body 21, and the oil scraping sheet 25 is used for preventing dust on the end surface. In order to further prevent the chain belt 5 from being twisted in the moving process, in the application, the positions corresponding to the lugs 52 on the separating piece 24, the end plastic cover 23 and the oil scraping piece 25 are all provided with grooves 26, and the grooves 26 are matched with the lugs 52. During the use, the chain belt 5 that moves in the circulation track 1 utilizes ear convex 52 and spacer 24, end to mould the recess 26 on lid 23, the frizing piece 25, forms the card and fixes the structure, and the recess 26 on spacer 24, end are moulded lid 23, the frizing piece 25 carries out the card to ear convex 52 on the chain belt 5 and are fixed promptly, through the position restriction to ear convex 52, prevents that chain belt 5 from taking place rotary motion to prevent that chain belt 5 from taking place the motion distortion.

The above-described embodiments of the present application do not limit the scope of the present application.

Claims

1. A silent linear guide rail pair is characterized by comprising a track (1) and a slider (2), wherein the slider (2) comprises a slider body (21), two ends of the slider body (21) are respectively provided with an end plastic cover (23), two side surfaces of the track (1) in sliding contact with the slider body (21) form a linear raceway (3), the slider body (21) and the end plastic covers (23) are matched to form a circulating raceway (4), and the linear raceway (3) and the circulating raceway (4) jointly form a running raceway,

the chain belt type rolling device is characterized in that a chain belt (5) is arranged in the running roller path, a plurality of rolling grooves (51) which are connected in sequence are formed in the chain belt (5), a rolling element (22) is arranged in each rolling groove (51), and the size of each rolling groove (51) is matched with that of each rolling element (22).

2. The silent linear guide rail pair according to claim 1, wherein a sleeve (6) is arranged in the linear raceway (3), the sleeve (6) is sleeved outside the chain belt (5), and two ends of the sleeve (6) are movably connected with the end plastic covers (23) respectively.

3. The silent linear guide pair according to claim 1, wherein the slider (2) further comprises a spacer (24), an oil scraper (25) and a lower retainer (28), wherein the spacer (24) is located on one side of the end cap (23) close to the slider body (21), and the oil scraper (25) is located on one side of the end cap (23) far from the slider body (21).

4. A silent linear guide pair according to any one of claims 1 to 3, wherein said chain belt (5) is provided with lugs (52).

5. The silent linear guide pair according to claim 4, wherein the sleeve (6) is provided with an ear canal (61) at a position corresponding to the ear protrusion (52), and the ear canal (61) is matched with the ear protrusion (52).

6. The silent linear guide rail pair according to claim 4, wherein the spacer (24), the end plastic cover (23) and the oil scraper (25) are provided with grooves (26) at positions corresponding to the lugs (52), and the grooves (26) are matched with the lugs (52).

7. A silent linear guide pair according to claim 1, wherein the size of each rolling groove (51) is matched to the size of the rolling element (22), in particular comprising a gap of 0.08-0.15mm between the rolling groove (51) and the rolling element (22).