CN218207486U

CN218207486U - Double-axle center ball guide system slide rail

Info

Publication number: CN218207486U
Application number: CN202222899857.4U
Authority: CN
Inventors: 张国前
Original assignee: Dongguan City Kainike Automation Equipment Co ltd
Current assignee: Dongguan City Kainike Automation Equipment Co ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-01-03
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a biax center ball guidance system slide rail, including the guide rail base, guiding axle and sliding block assembly, the guiding axle is embedded in the both sides of guide rail base respectively, sliding block assembly slides along guiding axle length direction, sliding block assembly includes the slider body, the holder, steel ball and ball steering gear, the slider body sets up the plate body structure of seting up the arc spout all around, the holder is provided with two, two holders set up respectively in opposite directions and be provided with semi-circular track respectively below the slider body, ball steering gear is provided with four and sets up respectively in the other both sides of two holders, ball steering gear's both ends are equipped with respectively and turn to the groove, a plurality of steel ball all inlays the dress in semi-circular track, the inboard ball passageway that supplies the steel ball to pass through with turning to the groove cooperation is seted up and is turned to the holder both sides, a plurality of steel ball passes through ball steering gear at semi-circular track and inboard ball passageway inner loop roll, its compact structure, the force stability is good, impact resistance is good, the operation is reliable and stable.

Description

Double-axle center ball guide system slide rail

Technical Field

The utility model relates to a ball slide rail technical field, more specifically say, relate to a biax center ball guide system slide rail.

Background

Slide rails, also called guide rails, can be classified into roller type, ball type, gear type, etc., wherein the ball type slide rails are widely used in precision instruments and apparatuses due to the characteristics of convenient installation and small use space, but the traditional ball slide block is directly connected with a workpiece and can bear a certain torque, and the internal structure thereof is that the ball is in frictional contact with the slide block, thus the problems of high operation noise, easy abrasion of the ball and short service life exist.

Like chinese patent No. CN210318186U disclose linear ball guide, it includes the track, places in with sliding module, both ends lid, two frizing pieces, two keep ware and a plurality of ball on the track, its reverser and slider are through moulding plastics in the mould and become an organic whole, the utility model discloses the cooperation of the steel ball of different diameters and guiding axle can be selected, the commonality is better, practices thrift the cost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a biax heart ball guide system slide rail that the assembly is simple, the force stability is good.

In order to achieve the above object, the utility model provides a biax center ball guidance system slide rail, including guide rail base, guiding axle and sliding block subassembly, the guiding axle is embedded in the both sides of guide rail base respectively, sliding block subassembly installs between two guiding axles, sliding block subassembly makes a round trip to slide along guiding axle length direction, sliding block subassembly includes the slider body, holder, steel ball and ball steering gear, the slider body sets up the plate body structure of seting up the arc spout all around, the holder is provided with two, and two holders set up respectively in opposite directions below the slider body and both sides are provided with semi-circular track respectively, ball steering gear is provided with four and sets up respectively in the other both sides of two holders, ball steering gear's both ends are equipped with respectively and turn to the groove, the steel ball is provided with a plurality of, and a plurality of steel ball all inlays the dress in semi-circular track, the holder both sides set up and turn to the inboard ball passageway that groove cooperation supplied the steel ball to pass through, and a plurality of steel ball steering gear is at semi-circular track and inboard ball passageway internal loop roll.

Preferably, the matching surface of the retainer and the ball steering gear is provided with first screw holes, the ball steering gear is provided with second screw holes, and the screws penetrate through the second screw holes of the ball steering gear and then are fixedly installed with the first screw holes of the retainer.

Preferably, the sliding block assembly further comprises four fixing pieces, wherein one sides of the four fixing pieces are provided with protrusions, and the other sides of the fixing pieces are of strip-shaped structures provided with arc-shaped surfaces.

Preferably, the upper and lower rows of semicircular tracks of the retainer are respectively symmetrically provided with two through holes, and the protrusions of the fixing part are matched with the through holes for installation.

Preferably, the contact structure between the upper and lower rows of semicircular tracks of the retainer and the steel balls, the slider body and the guide shaft is circular.

Preferably, the metal material of the slider assembly is steel.

Preferably, the metal material of the guide rail base is an aluminum alloy.

The utility model provides an assembly is simple, the force stability is good, other structures have superior shock resistance's biax center ball guide system slide rail in addition, through the cooperation of the steel ball of selecting different diameters and guiding axle, adjustment fit clearance makes a plurality of steel ball at ball steering gear, semi-circular track and inboard ball passageway inner loop roll, realize that slider and guiding axle slip in the same direction as smooth no card pause or swing, its compact structure, the part operation effect is also very easy control, the modular production can be realized to the structure.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a slide rail of a double-axis ball guide system according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a sliding block assembly of a sliding rail of a double-axis ball guide system according to an embodiment of the present invention;

fig. 3 is an exploded view of a slide block assembly of a dual-axis ball guide system slide rail according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a slide block assembly of a dual-axis ball guide system slide rail according to an embodiment of the present invention;

fig. 5 is a schematic side view of a slide rail of a double-axis ball guide system according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a sliding rail of a double-axis ball guiding system, which includes a guide rail base 1, a guide shaft 2 and a sliding block assembly 3, and each component of the embodiment is described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, the guide shafts 2 are respectively embedded in two sides of the guide rail base 1, the slider assembly 3 is installed between the two guide shafts 2, the slider assembly 3 slides back and forth along the length direction of the guide shafts 2, the slider assembly 3 includes a slider body 31, two retainers 32, steel balls 33 and ball deflectors 34, the slider body 31 is configured as a plate body structure with arc-shaped sliding grooves formed around the slider body, the two retainers 32 are respectively arranged on the upper and lower surfaces of the slider body 31 in opposite directions, the two sides of the slider body are respectively provided with a semicircular track 321, the ball deflectors 34 are respectively arranged on the other two sides of the two retainers 32, the two ends of the ball deflectors 34 are respectively provided with a plurality of steering grooves 341, the steel balls 33 are respectively embedded in the semicircular track 321, the two sides of the retainers 32 are provided with inner side ball channels 322 matched with the steering grooves 341 for the steel balls 33 to pass through, and the plurality of steel balls 33 circularly roll in the semicircular track 321 and the inner side ball channels 322 through the ball deflectors 34.

The turning groove 341 of the ball deflector 34 is matched with the semicircular track 321 and the inner side ball channel 322 of the retainer 32, the diameters of the semicircular track 321 and the inner side ball channel 322 are consistent with the bore diameter of the turning groove 341, and the steel balls 33 can be smoothly reversed and circulated between the semicircular track 321, the inner side ball channel 322 and the turning groove 341, so that the sliding block assembly 3 can run more stably.

Preferably, the metallic material of the slider assembly 3 is steel.

Preferably, the metal material of the guide rail base 1 is aluminum alloy.

In this embodiment, the matching surfaces of the retainer 32 and the ball deflector 34 are both provided with first screw holes 323, the ball deflector 34 is both provided with second screw holes 342, and the screws are fixedly mounted with the first screw holes 323 of the retainer 32 after passing through the second screw holes 342 of the ball deflector 34. Of course, the ball deflector 34 and the retainer 32 may be fixedly attached by other means such as snap-fitting.

As shown in fig. 4 and 5, the contact structure between the upper and lower rows of semicircular tracks 321 of the guide shaft 2 and the steel balls 33, the slider body 31 and the guide shaft 2 is circular, so that the torque resistance of the slider assembly 3 is improved.

Preferably, the sliding block assembly 3 may further include four fixing members 35, wherein one side of the fixing member 35 is provided with a protrusion 351, and the other side of the fixing member 35 is a strip-shaped structure with an arc-shaped surface. Two through holes 324 are symmetrically formed in the semicircular tracks 321 on two sides of the retainer 32, and the protrusions 351 of the fixing member are installed in cooperation with the through holes 324.

Wherein, after the protrusion 351 of the fixing member 35 is assembled with the through hole 324, the steel ball 33 and dust can be prevented from falling off.

The working principle of the embodiment is as follows:

the guide rail base 1 is assembled with the guide shaft 2, then the sliding block component 2 is assembled, when the sliding block component 2 is assembled, the steel balls 33 with the minimum diameter are selected firstly, and then the sliding block component is matched with the assembled guide rail base 1 to reach a proper distance, so that the sliding block component has certain prepressing performance and can slide smoothly.

In addition, if a fit clearance exists or the prepressing force is too high, the fit clearance is adjusted by replacing the diameter of the steel ball 33 until the sliding block component 3 slides smoothly without blocking or swinging, and finally, the smoothness and other performance effects of the sliding block component 3 are checked, and the sliding block component is qualified after meeting various performance requirements.

To sum up, the utility model provides an assembly is simple, the force stability is good, relative other structures have also superior shock resistance's biax heart ball guide system slide rail, its compact structure, the part operation effect is also very easy to control, modular production can be realized to the structure, for the complete machine assembly with the debugging save a lot of time and avoid a lot of unnecessary troubles, because the regulation mode is simple understandable, the operational feasibility understands easily, can all obtain fine execution on the productivity improvement of producer's technical training and later stage, all have fine help to the production and the quality of using the enterprise the accuse side.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a biax heart ball guide system slide rail which characterized in that: the guide rail comprises a guide rail base, guide shafts and sliding block assemblies, wherein the guide shafts are embedded in two sides of the guide rail base respectively, the sliding block assemblies are installed between the two guide shafts and slide back and forth along the length direction of the guide shafts, each sliding block assembly comprises sliding block bodies, retainers, steel balls and ball steering gears, the sliding block bodies are arranged into plate body structures with arc-shaped sliding grooves formed in the periphery, the retainers are arranged in two numbers, the two retainers are arranged on the upper surface and the lower surface of each sliding block body respectively in opposite directions, semicircular tracks are arranged on the two sides of each sliding block body respectively, the ball steering gears are provided with four steel balls and arranged on the other two sides of the two retainers respectively, steering grooves are arranged at two ends of each ball steering gear respectively, the steel balls are provided with a plurality of steel balls, the plurality of steel balls are embedded in the semicircular tracks, inner ball channels matched with the steering grooves and used for the steel balls to pass through are formed in the two sides of the retainers, and the plurality of the steel balls roll in the semicircular tracks and the inner ball channels in a circulating mode through the ball steering gears.

2. The dual-axial ball guide system slide rail of claim 1, wherein: first screw holes are formed in the matching surfaces of the retainer and the ball steering gear, second screw holes are formed in the ball steering gear, and screws penetrate through the second screw holes of the ball steering gear and then are fixedly installed with the first screw holes of the retainer.

3. The dual-axial ball guide system slide rail of claim 1, wherein: the sliding block assembly further comprises four fixing pieces, wherein one sides of the four fixing pieces are provided with protrusions, and the other sides of the fixing pieces are of strip-shaped structures provided with arc-shaped surfaces.

4. The dual-axis ball guide system slide rail of claim 3, wherein: two through holes are symmetrically formed in the upper row of semicircular tracks and the lower row of semicircular tracks of the retainer respectively, and the protrusions of the fixing piece are installed in a matched mode with the through holes.

5. The dual-axial ball guide system slide rail of claim 1, wherein: the contact structure between the upper and lower rows of semicircular tracks of the retainer and the steel balls, the sliding block body and the guide shaft is circular.

6. The dual-axial ball guide system slide rail of claim 1, wherein: the metal material of the sliding block component is steel.

7. The dual-axial ball guide system slide rail of claim 1, wherein: the metal material of the guide rail base is aluminum alloy.