CN215928132U - Anti-creep guide rail pair - Google Patents

Abstract

The disclosed embodiment relates to an anti-creep guide rail pair. This prevent that wriggling guide rail is vice includes: a type a convex guide rail; the V-shaped concave guide rail is arranged in parallel opposite to the A-shaped convex guide rail; the first rack is arranged on the A-shaped convex guide rail; the second rack is arranged on the V-shaped concave guide rail; the retainer is arranged between the A-shaped convex guide rail and the V-shaped concave guide rail in a V shape; and the gear mechanism comprises a gear and a gear mounting frame, the gear mounting frame is fixed on the retainer, the gear is arranged on the gear mounting frame, and the gear is respectively meshed with the first rack and the second rack. According to the embodiment of the invention, the retainer is driven to be positioned by the gear, the first rack and the second rack, so that the retainer cannot creep, the dislocation of the retainer is avoided, no impact and vibration are generated, the noise is reduced, and the guide rail pair can be well used in an upright state.

Description

Anti-creep guide rail pair

Technical Field

The embodiment of the disclosure relates to the technical field of guide rails, in particular to an anti-creep guide rail pair.

Background

The crossed linear guide rail pair is a linear guide rail which consists of two guide rails with V-shaped roller paths, a roller retainer, cylindrical rollers and the like, wherein the mutually crossed cylindrical rollers reciprocate on the V-shaped roller path surface which is precisely ground. The characteristics of high precision, high acceleration and deceleration and good stability are more and more widely applied to the aspects of die bonder, dispensing equipment, automation equipment, optical detection equipment and the like.

At present, in the use process of high-speed reciprocating motion of a linear guide rail pair in the prior art, because a cylindrical roller has certain mass, particularly, the phenomenon that a retainer is easily driven to shift together by inertia generated by motion during vertical use influences the normal use of equipment. In addition, the cylinder roller of traditional material is mostly stainless steel etc. alloy finished piece and long-term reciprocating motion on with V type raceway easily appears wearing and tearing, leads to cylinder roller to be heated and produces deformation, influences the precision of guide rail, finally leads to the vice damage of whole linear guide.

Accordingly, there is a need to ameliorate one or more of the problems with the related art solutions described above.

It is noted that this section is intended to provide a background or context to the disclosure as recited in the claims. The description herein is not admitted to be prior art by inclusion in this section.

Disclosure of Invention

It is an object of embodiments of the present disclosure to provide an anti-creep guide rail set that overcomes, at least to some extent, one or more of the problems due to limitations and disadvantages of the related art.

According to a first aspect of embodiments of the present disclosure, there is provided an apparatus comprising:

a type a convex guide rail;

the V-shaped concave guide rail is arranged in parallel opposite to the A-shaped convex guide rail;

the first rack is arranged on the A-shaped convex guide rail;

the second rack is arranged on the V-shaped concave guide rail;

the retainer is arranged between the A-shaped convex guide rail and the V-shaped concave guide rail in a V shape;

and the gear mechanism comprises a gear and a gear mounting frame, the gear mounting frame is fixed on the retainer, the gear is arranged on the gear mounting frame, and the gear is respectively meshed with the first rack and the second rack.

In an embodiment of the disclosure, a plurality of rolling element mounting frames with the same number are uniformly arranged on two side plates of the retainer, and each rolling element mounting frame is internally provided with a rolling element.

In an embodiment of the present disclosure, the gear mounting frame has a long strip through hole, two ends of the axis of the gear are respectively fixed on two long sides of the long strip through hole, and the gear rotates around the axis of the gear in the long strip through hole.

In one embodiment of the present disclosure, the rolling elements are rollers.

In an embodiment of the disclosure, the a-shaped convex guide rail and the V-shaped concave guide rail are respectively provided with a first rolling surface and a second rolling surface, and the roller rolls on the first rolling surface and the second rolling surface smoothly.

In an embodiment of the present disclosure, a U-shaped groove is disposed at the bottom of the second rolling surface of the V-shaped concave guide rail, and is used for giving the retainer a way.

In an embodiment of the present disclosure, the first rack is disposed along a length direction of the a-shaped guide rail, and the second rack is disposed along a length direction of the V-shaped guide rail.

In an embodiment of the present disclosure, the first rack and the second rack are disposed on the a-shaped convex rail and the V-shaped concave rail through fixing members.

In an embodiment of the present disclosure, the a-shaped convex rail is provided with at least one first mounting hole, the V-shaped concave rail is provided with at least one second mounting hole, the first rack is provided with at least one third mounting hole, and the second rack is provided with at least one fourth mounting hole.

In an embodiment of the present disclosure, the materials of the a-type convex guide rail and the V-type concave guide rail are high-chromium bearing steel.

The technical scheme provided by the embodiment of the disclosure can have the following beneficial effects:

in the embodiment of the disclosure, through the guide rail pair provided above, the first rack on the convex guide rail of the A type and the second rack on the concave guide rail of the V type are respectively meshed with the gear on the retainer to drive the retainer to be positioned, so that the retainer cannot creep, the dislocation of the retainer is avoided, no impact and vibration are generated, the noise is reduced, the guide rail pair can be used in a vertical state well, the operation is more light and fast, and the service life is prolonged.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

FIG. 1 shows a schematic view of an anti-creep guide pair in an exemplary embodiment of the present disclosure;

FIG. 2 shows a schematic view of a cage unit in an exemplary embodiment of the present disclosure;

FIG. 3 shows a schematic view of a-type male rail in an exemplary embodiment of the present disclosure;

FIG. 4 shows a schematic view of a V-groove rail in an exemplary embodiment of the present disclosure;

FIG. 5 illustrates a first gear schematic in an exemplary embodiment of the present disclosure;

fig. 6 shows a second gear schematic in an exemplary embodiment of the present disclosure.

The rolling device comprises a 100A-type convex guide rail, a 110 first rack, a 200V-type concave guide rail, a 210 second rack, a 300 cage, a 310 gear, a 320 rolling element mounting frame, a 330 gear mounting frame, a 331 elongated through hole, a 410 first rolling surface, a 420 second rolling surface, a 500U-shaped groove, a 600 fixing piece, a 710 first mounting hole, a 720 second mounting hole, a 730 third mounting hole and a 740 fourth mounting hole.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Furthermore, the drawings are merely schematic illustrations of embodiments of the disclosure and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted. Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities.

The exemplary embodiment first provides an anti-creep guide rail pair. Referring to fig. 1, the anti-creep guide rail pair may include: the guide rail structure comprises an A-type convex guide rail 100 and a V-type concave guide rail 200 arranged in parallel opposite to the A-type convex guide rail 100, wherein a first rack 110 is arranged on the A-type convex guide rail 100, a second rack 210 is arranged on the V-type concave guide rail 200, a V-shaped retainer 300 is arranged between the A-type convex guide rail 100 and the V-type concave guide rail, a gear mounting frame 330 is fixed on the retainer 300, a gear 310 is arranged on the gear mounting frame 330, and the gear 310 is respectively meshed with the first rack 110 and the second rack 210.

Through the guide rail pair provided by the above, the first rack 110 on the A-shaped convex guide rail 100 and the second rack 210 on the V-shaped concave guide rail 200 are respectively meshed with the gear 310 on the retainer 300 to drive the retainer 300 to be positioned, so that the retainer 300 cannot creep, the dislocation of the retainer 300 is avoided, no impact and vibration are generated, the noise is reduced, the guide rail pair can be used in a vertical state well, the operation is more light and fast, and the service life is prolonged.

Next, each part of the above-described creep prevention rail pair in the present exemplary embodiment will be described in more detail with reference to fig. 1 to 6.

In one embodiment, as shown in fig. 2, the gear mounting frame 330 has an elongated through hole 331, two ends of the axis of the gear 310 are respectively fixed to two long sides of the elongated through hole 331, and the gear 310 rotates around the axis thereof in the elongated through hole 331.

Specifically, as shown in fig. 2, a long strip-shaped through hole 331 is disposed on the gear mounting frame 330, and two ends of the axis of the gear 310 are respectively fixed on two long sides of the long strip-shaped through hole 331, so that the gear 310 rotates around the axis in the long strip-shaped through hole 331; when the gear 310 moves smoothly between the first rack 110 and the second rack 120, the gear mounting frame 330 and the retainer 300 are driven to be positioned, the retainer 300 has no impact and vibration, so that the noise is reduced, the guide rail pair can be well used in an upright state, the operation is lighter and faster, and the service life can be prolonged.

In one embodiment, as shown in fig. 2, a plurality of rolling element mounting frames 320 are uniformly arranged on two side plates of the cage 300, and each rolling element mounting frame 320 is internally provided with a rolling element.

Specifically, as shown in fig. 2, rolling element mounting frames 320 are uniformly disposed on two side plates 300 of the cage 300, and are used for mounting rolling elements, and when the a-type male guide rail 100 and the V-type female guide rail 200 move relatively, the rolling elements directly roll between the a-type male guide rail 100 and the V-type female guide rail 200, so that the relative motion between the a-type male guide rail 100 and the V-type female guide rail 200 is converted from sliding to the motion of the rolling elements. Thus, the cage 300 has good load capacity and sliding accuracy, operates stably, and does not have deviation when adjusting the equipment components.

In one embodiment, the rolling elements are rollers. Specifically, the contact area between the roller and the guide rail is relatively large, and the roller linear guide rail is stronger in bearing capacity and higher in rigidity compared with a point-surface rolling contact mode of a moving medium of the ball linear guide rail.

In one embodiment, as shown in fig. 3 and 4, the a-type male guide rail 100 and the V-type female guide rail 200 are respectively provided with a first rolling surface 410 and a second rolling surface 420, and the rollers smoothly roll on the first rolling surface 410 and the second rolling surface 420.

Specifically, as shown in fig. 3 and 4, the a-shaped convex guide rail 100 and the V-shaped concave guide rail 200 respectively have a first rolling surface 410 and a second rolling surface 420, so that the rollers can roll smoothly between the first rolling surface 410 and the second rolling surface 420, and the retainer 300 moves smoothly between the a-shaped convex guide rail 100 and the V-shaped concave guide rail 200, and since the contact area between the rollers and the first rolling surface 410 and the second rolling surface 420 is extremely small, the friction resistance is extremely small, the motion stability of the retainer 300 between the a-shaped convex guide rail 100 and the V-shaped concave guide rail 200 is good, the starting friction force is small, the follow-up performance is good, the elastic deformation amount is small, and the high-precision linear motion with low friction resistance can be realized.

In one embodiment, as shown in fig. 4, a U-shaped groove 500 is disposed at the bottom of the second rolling surface 420 of the V-shaped concave guide rail 210 for giving way to the holder 300. Specifically, in order to prevent the friction between the holder 300 and the bottom of the second rolling surface 420 of the V-shaped concave guide rail, the U-shaped groove 500 is disposed at the bottom of the second rolling surface 420 of the V-shaped concave guide rail 210, so as to avoid the collision friction between the V-shaped holder 300 and the bottom of the second rolling surface 420 of the V-shaped concave guide rail 210.

In one embodiment, the first rack 110 is disposed along the length of the a-shaped guide rail 100, and the second rack 210 is disposed along the length of the V-shaped guide rail 200. Specifically, the first rack 110 is arranged along the length direction of the a-shaped guide rail 100, the second rack 210 is arranged along the length direction of the V-shaped guide rail 200, and the gear 310 is respectively engaged with the first gear 110 and the second gear 210, so that when the gear 310 moves, the gear 310 moves along the directions of the a-shaped convex guide rail and the V-shaped concave guide rail, and the gear 310 drives the holder 300 to move along the directions of the a-shaped convex guide rail and the V-shaped concave guide rail; moreover, because the gear 310 is respectively meshed with the first gear 110 and the second gear 210, the retainer 300 is prevented from creeping, the dislocation of the retainer 300 is avoided, the retainer 300 can have no impact and vibration, the noise is reduced, and the guide rail pair can be well used in an upright state.

In one embodiment, the first rack 110 and the second rack 210 are mounted on the a-type male rail 100 and the V-type female rail 200 by fasteners 600.

Specifically, the first rack 110 and the second rack 210 are respectively fixed on the a-type convex rail 100 and the V-type concave rail 200 through fixing members 700, the fixing members 700 penetrate through the first rack 110 and the a-type convex rail 100, the second rack 210 and the V-type concave rail 200, and the first rack 110 and the second rack 210 are respectively fixed on the a-type convex rail 100 and the V-type concave rail 200 through the fixing members 600.

In one embodiment, the a-shaped male rail 100 is provided with at least one first mounting hole 710, the V-shaped female rail 200 is provided with at least one second mounting hole 720, the first rack 110 is provided with at least one third mounting hole 730, and the second rack 210 is provided with at least one fourth mounting hole 740. Specifically, the a-shaped male rail 100, the V-shaped female rail 200, the first rack 110, and the second rack 210 are respectively provided with at least one first mounting hole 710, at least one second mounting hole 720, at least one third mounting hole 730, and at least one fourth mounting hole 740, the fixing member 600 fixes the first rack 110 to the a-shaped male rail 100 through the first mounting hole 710 and the third mounting hole 730, and the fixing member 600 fixes the second rack 210 to the V-shaped female rail through the second mounting hole 720 and the fourth mounting hole 740, so that the gear 310 and the holder 300 can stably move.

In one embodiment, the materials of the a-type male guide rail 100 and the V-type female guide rail 200 are high chromium bearing steel. Specifically, high-chromium bearing steel is used as the material of the A-shaped convex guide rail 100 and the V-shaped concave guide rail 200, the microstructure and the hardness of the high-chromium bearing steel after heat treatment are uniform and stable, the high-chromium bearing steel has high contact fatigue strength and wear resistance, good dimensional stability can be obtained through proper heat treatment, certain corrosion resistance can be realized, and the price is low.

It is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like in the foregoing description are used for indicating or indicating the orientation or positional relationship illustrated in the drawings, merely for the convenience of describing the disclosed embodiments and for simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be considered limiting of the disclosed embodiments.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present disclosure, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present disclosure, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the embodiments of the present disclosure, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact, not directly, but via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the embodiments disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (10)

1. An anti-creep guide rail pair, comprising:

a type a convex guide rail;

the V-shaped concave guide rail is arranged in parallel opposite to the A-shaped convex guide rail;

the first rack is arranged on the A-shaped convex guide rail;

the second rack is arranged on the V-shaped concave guide rail;

the retainer is arranged between the A-shaped convex guide rail and the V-shaped concave guide rail in a V shape;

and the gear mechanism comprises a gear and a gear mounting frame, the gear mounting frame is fixed on the retainer, the gear is arranged on the gear mounting frame, and the gear is respectively meshed with the first rack and the second rack.

2. The anti-creep guide rail pair according to claim 1, wherein the gear mounting frame has an elongated through hole, two ends of the axis of the gear are fixed to two long sides of the elongated through hole, respectively, and the gear rotates around the axis of the gear in the elongated through hole.

3. The anti-creep guide rail pair according to claim 1, wherein a plurality of rolling body mounting frames with the same number are uniformly arranged on two side plates of the retainer, and each rolling body mounting frame is internally provided with a rolling body.

4. The anti-creep guide rail pair according to claim 3, wherein the rolling bodies are rollers.

5. The anti-creep guide rail pair according to claim 4, wherein the A-shaped convex guide rail and the V-shaped concave guide rail are respectively provided with a first rolling surface and a second rolling surface, and the rollers roll smoothly on the first rolling surface and the second rolling surface.

6. The anti-creep guide rail pair according to claim 5, wherein the bottom of the second rolling surface of the V-shaped concave guide rail is provided with a U-shaped groove for giving way to the retainer.

7. The anti-creep guide rail pair according to claim 1, wherein the first rack is arranged along the length direction of the A-shaped convex guide rail, and the second rack is arranged along the length direction of the V-shaped concave guide rail.

8. The anti-creep guide rail pair according to claim 1, wherein the first rack and the second rack are fixed on the A-shaped convex guide rail and the V-shaped concave guide rail through fixing parts.

9. The anti-creep guide rail pair according to claim 1, wherein the A-shaped convex guide rail is provided with at least one first mounting hole, the V-shaped concave guide rail is provided with at least one second mounting hole, the first rack is provided with at least one third mounting hole, and the second rack is provided with at least one fourth mounting hole.

10. The anti-creep guide rail pair according to claim 1, wherein the A-shaped convex guide rail and the V-shaped concave guide rail are made of high-chromium bearing steel.

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