CN213017288U - Novel linear guide rail - Google Patents

Abstract

The utility model provides a novel linear guide, aims at solving among the prior art lower slider body of structural strength and takes place deformation easily under the effect of the long-time local load of connecting piece, the lower technical problem of life of square rail slider. The utility model discloses a guide rail and slider, the slider is including the slider body that can dismantle the connection, transition piece and slider base, all be equipped with first spout on two sides that the guide rail is relative, first spout is arranged along the length direction of guide rail, be equipped with on the slider base with the first boss of first spout assorted, one side of slider base is equipped with the outer fringe profile assorted spacing groove with the transition piece, the one end that the slider base was kept away from to the transition piece is equipped with the outer fringe profile assorted mounting groove with the slider body, be equipped with the second spout of arranging with first spout syntropy on the slider body, first spout and second spout can dock and form the ball spout, the ball can be followed the length direction of ball spout and slided.

Description

Novel linear guide rail

Technical Field

The utility model relates to a machine tool component technical field especially relates to a novel linear guide.

Background

The square rail sliding block is widely used on a precision machine tool, but the internal processing is difficult, the precision requirement is high, the processing is difficult, and the sliding principle of the square sliding block mainly depends on the circular flow of a steel ball in a sliding rail groove. Generally, a square rail slide block comprises a slide block base which is in direct contact with a slide rail steel ball, and a slide block body arranged on the slide block base; the hardness requirement of the slider base is high, and the slider body does not need to have an excessively high hardness requirement. However, the existing square rail sliding blocks are integrally formed, so that in order to meet the hardness requirement of the sliding block base, the whole sliding block needs to be subjected to a heat treatment process, so that resource waste is caused, and the process efficiency is reduced.

Chinese patent application No. CN201520736608.0 discloses a square rail slider, which comprises a slider body and two slider bases; the sliding block body comprises two sliding block supporting legs which are longitudinally arranged in parallel and a sliding block table top which is integrally connected to the upper ends of the two sliding block supporting legs; the axial inner part of the slide block supporting leg is provided with a ball channel, a slide rail cavity is formed between the slide block table surface and the two slide block supporting legs, and the slide block supporting legs at the two sides of the slide rail cavity are both provided with positioning grooves; the two sliding block bases are respectively positioned in positioning grooves arranged at two sides, return arc holes are formed in the inner end faces of the sliding block bases, and ball guide blocks are arranged at two axial end parts of the sliding block bases; the cross section of the ball guide block is semicircular, the ball guide block is positioned between the same side opening of the ball channel and the return arc hole, the arc end face of the ball guide block is connected with the ball channel and the return arc hole in a guiding mode, and the ball channel and the return arc hole are communicated end to form a ball circulation channel.

The slider base in the structure can be independently subjected to a heat treatment process, so that the processing efficiency can be improved, and the production cost can be reduced; the slider body is one of main bearing parts of local load applied by the connecting piece, and the slider body with lower structural strength is easy to deform under the action of long-time local load, so that the square-rail slider cannot be normally used.

Disclosure of Invention

The utility model discloses an overcome among the prior art lower slider body of structural strength and take place deformation easily under the effect of the long-time local load of connecting piece, the lower technical problem of life of square rail slider provides a novel linear guide, and this structure uses syllogic structure to realize structural strength's gradual transition, and the transition piece becomes the main load-bearing part of local load, and slider body's local deformation rate is lower.

In order to achieve the above purpose, the present invention adopts the following technical solution.

The utility model provides a novel linear guide, including guide rail and slider, the slider is including the slider body that can dismantle the connection, transition piece and slider base, all be equipped with first spout on two relative sides of guide rail, first spout is arranged along the length direction of guide rail, be equipped with on the slider base with first spout assorted first boss, one side of slider base is equipped with the outer fringe profile assorted spacing groove with the transition piece, the one end that the slider base was kept away from to the transition piece is equipped with the outer fringe profile assorted mounting groove with the slider body, be equipped with the second spout of arranging with first spout syntropy on the slider body, first spout and second spout can dock and form the ball spout, the ball can slide along the length direction of ball spout. In the utility model, the slide block is arranged from top to bottom in layers, the slide block comprises a slide block body, a transition piece and a slide block base which are detachably connected, the transition piece is inserted in a limit groove on the slide block base, the slide block body is inserted in a mounting groove on the transition piece, in the mounting process, a first boss and a first chute are matched to realize the relative positioning of the slide block body and the slide block base, and the first chute and a second chute are butted and spliced into a finished ball chute for the sliding of balls. The local deformation rate of the sliding block body is low, and the service life of the linear guide rail sliding block is long.

Preferably, the slider base in the frame shape comprises a first connecting plate and a second connecting plate which are arranged at intervals along the length direction of the slider base, the first connecting plate is in an inverted U shape, the first boss is arranged on the inner side face of the first connecting plate, a first reinforcing plate is arranged between the first connecting plate and the second connecting plate, the number of the first reinforcing plates is two, the first reinforcing plates are arranged at intervals along the width direction of the slider base, the upper end faces of the first connecting plate and the second connecting plate are flush, and the upper end face of the first reinforcing plate is lower than the upper end face of the first connecting plate. The size of first boss is shorter, and when first boss and first spout cooperation were accomplished spacingly, first boss only constituted spacingly at both ends, and the second spout that is located between the first boss can constitute the ball spout that does not have the block with first spout cooperation, and first connecting plate and second connecting plate are spacing to the ball, avoid the ball to deviate from the ball spout in the motion process.

As preferred, the transition piece that is the frame type includes first limiting plate and the second limiting plate of interval arrangement along its length direction, and the angular point department of spacing groove all is equipped with spacing heavy groove, and first limiting plate and second limiting plate are kept away from and are equipped with on the terminal surface of slider body with spacing heavy groove assorted spacing boss, are equipped with the second reinforcing plate between first limiting plate and the second limiting plate, and the figure of second reinforcing plate is two and along the width direction interval arrangement of transition piece. The limiting boss and the limiting sink groove are used for achieving rapid positioning and installation of the transition piece and the slider base, and therefore installation efficiency of the linear guide rail slider is improved.

Preferably, the end face, close to the slider body, of the first reinforcing plate is provided with a step-type stop groove, the stop groove is arranged along the length direction of the first reinforcing plate, and the end face, far away from the slider body, of the second reinforcing plate is provided with a stop boss in positive-negative fit with the stop groove. The stop groove and the stop boss are used for realizing secondary positioning of the transition piece and the slider base, and avoiding dislocation of the limit boss and the limit sink groove caused by large primary positioning deviation of the limit boss and the limit sink groove.

Preferably, the slider body includes the base plate, is equipped with the installation otic placode on the terminal surface that the base plate is close to the slider base, and the quantity of installation otic placode is two and along the length direction interval arrangement of base plate, and the second spout is arranged on the medial surface of installation otic placode, and the lateral surface of installation otic placode forms the fault-tolerant groove with the terminal surface cooperation of base plate, and the cross-section in fault-tolerant groove is fan-shaped.

Preferably, the first runner and the second runner are both semicircular in cross section and equal in diameter, and the diameter of the ball is smaller than or equal to that of the ball runner. Its purpose is to guarantee the free slip of ball in the ball spout, avoids appearing the card phenomenon of dying.

Preferably, the side surfaces of the first connecting plate and the second connecting plate are provided with first mounting holes which are communicated along the thickness direction of the first connecting plate, the side surfaces of the first limiting plate and the second limiting plate are provided with second mounting holes which are communicated along the thickness direction of the second connecting plate, the side surfaces of the slider body along the width direction of the slider body are provided with third mounting holes, the slider body and the transition piece are matched with the slider base to form the slider, the first mounting holes, the second mounting holes and the third mounting holes are arranged concentrically, the connecting piece sequentially penetrates through the first mounting holes, the second mounting holes and the third mounting holes connect the slider body and the transition piece and the slider base together. The purpose of the technical scheme is to limit the connection mode of the sliding block body, the transition piece and the sliding block base, and the purpose of concentric arrangement of the first mounting hole, the second mounting hole and the third mounting hole is to realize accurate positioning of the first mounting hole, the second mounting hole and the third mounting hole.

Preferably, the connecting member is a bolt, a screw or a pin. When the slide block body, the transition piece and the slide block base are connected by using bolts or screws, the slide block body, the transition piece and the slide block base are of detachable structures, the replacement of the ball is convenient, and when one part of the slide block body, the transition piece and the slide block base is damaged, the instant replacement can be realized; when the pin joint is used, the sliding block body, the transition piece and the sliding block base are in a fixed connection structure.

Preferably, when the slider body, the transition piece and the slider base are matched to form the slider, the upper end faces of the slider body, the transition piece and the slider base are flush.

Preferably, two adjacent balls are in point contact at all times in the roller runner. The technical scheme limits the arrangement mode of the balls to be point contact one by one, and gaps among the balls are effectively avoided.

To sum up, the utility model discloses following beneficial effect has: (1) the structure realizes gradual transition of structural strength by using a three-section structure, a transition piece becomes a main bearing part of local load, and the local deformation rate of the sliding block body is low; (2) when one part of the sliding block body, the transition piece and the sliding block base is damaged, the instant replacement can be realized.

Drawings

Fig. 1 is a schematic view of the slider body of the present invention.

Fig. 2 is a schematic view of a transition piece of the present invention.

Fig. 3 is a schematic view of the base of the middle slider according to the present invention.

Fig. 4 is an exploded view of the present invention.

In the figure:

the slide rail comprises a guide rail 1, a slide block body 2, a transition piece 3, a slide block base 4, a first sliding groove 5, a first boss 6, a limiting groove 7, a mounting groove 8, a second sliding groove 9, a first connecting plate 10, a second connecting plate 11, a first reinforcing plate 12, a first limiting plate 13, a second limiting plate 14, a limiting sinking groove 15, a limiting boss 16, a second reinforcing plate 17, a stopping groove 18, a stopping boss 19, a base plate 20, a mounting lug plate 21 and a fault-tolerant groove 22.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1 to 4, a novel linear guide rail comprises a guide rail 1 and a slider, the slider comprises a slider body 2, a transition piece 3 and a slider base 4 which are detachably connected, two opposite side surfaces of the guide rail are respectively provided with a first sliding groove 5, the first sliding grooves are arranged along the length direction of the guide rail, the slider base is provided with a first boss 6 matched with the first sliding grooves, one side of the slider base is provided with a limit groove 7 matched with the outer edge profile of the transition piece, one end of the transition piece away from the slider base is provided with a mounting groove 8 matched with the outer edge profile of the slider body, the slider body is provided with a second sliding groove 9 arranged in the same direction as the first sliding grooves, the first sliding grooves and the second sliding grooves can be butted to form a ball sliding groove, and the ball can slide along the length direction of the; the slider base in a frame shape comprises a first connecting plate 10 and a second connecting plate 11 which are arranged at intervals along the length direction of the slider base, the first connecting plate is in an inverted U shape, a first boss is arranged on the inner side surface of the first connecting plate, a first reinforcing plate 12 is arranged between the first connecting plate and the second connecting plate, the number of the first reinforcing plates is two, the first reinforcing plates are arranged at intervals along the width direction of the slider base, the upper end surfaces of the first connecting plate and the second connecting plate are flush, and the upper end surface of the first reinforcing plate is lower than that of the first connecting plate; the frame-shaped transition piece comprises a first limiting plate 13 and a second limiting plate 14 which are arranged at intervals along the length direction of the transition piece, limiting sunk grooves 15 are formed in corner points of the limiting grooves, limiting bosses 16 matched with the limiting sunk grooves are arranged on the end faces, away from the slider body, of the first limiting plate and the end faces, away from the slider body, of the second limiting plate, a second reinforcing plate 17 is arranged between the first limiting plate and the second limiting plate, and the number of the second reinforcing plates is two and the second reinforcing plates are arranged at intervals along the width direction of the transition piece; a step-shaped stop groove 18 is formed in the end face, close to the slider body, of the first reinforcing plate, the stop groove is arranged along the length direction of the first reinforcing plate, and a stop boss 19 in male-female fit with the stop groove is formed in the end face, far away from the slider body, of the second reinforcing plate; the slider body comprises a substrate 20, the end surface of the substrate close to the slider base is provided with two mounting lugs 21 which are arranged at intervals along the length direction of the substrate, the second sliding grooves are arranged on the inner side surfaces of the mounting lugs, the outer side surfaces of the mounting lugs are matched with the end surface of the substrate to form fault-tolerant grooves 22, and the cross sections of the fault-tolerant grooves are in a fan shape; the cross sections of the first sliding chute and the second sliding chute are semicircular and have the same diameter, and the diameter of the ball is smaller than or equal to that of the ball sliding chute; the side surfaces of the first connecting plate and the second connecting plate are respectively provided with a first mounting hole which is communicated along the thickness direction of the first connecting plate, the side surfaces of the first limiting plate and the second limiting plate are respectively provided with a second mounting hole which is communicated along the thickness direction of the second connecting plate, the side surfaces of the slider body along the width direction of the slider body are respectively provided with a third mounting hole, when the slider body, the transition piece and the slider base are matched to form a slider, the first mounting hole, the second mounting hole and the third mounting hole are concentrically arranged, and the connecting piece sequentially penetrates through the first mounting hole, the second mounting hole and the third mounting hole to connect the slider body, the transition piece and the slider base together; the connecting piece is a bolt, a screw or a pin; when the slider body, the transition piece and the slider base are matched to form the slider, the upper end surfaces of the slider body, the transition piece and the slider base are flush; two adjacent balls are always kept in point contact in the roller chute.

As shown in fig. 1, the slider body includes a substrate on an upper layer, a mounting lug plate is arranged on a lower end surface of the substrate, the number of the mounting lug plates is two, and the mounting lug plates are arranged at intervals from left to right, the width of a groove between the inner side surfaces of the two mounting lug plates is consistent with the width of the guide rail, the outer side surface of the mounting lug plate is matched with the lower end surface of the substrate to form an error-tolerant groove, the cross section of the error-tolerant groove is sector, a second sliding groove is arranged on the inner side surface of the mounting lug plate, the second sliding groove is arranged along the width direction of the substrate, and a third mounting hole is arranged on the; as shown in fig. 2, the transition piece is of a frame-shaped structure, the transition piece includes a first limiting plate and a second limiting plate from outside to inside along the normal direction of the drawing, the upper end surfaces of the first limiting plate and the second limiting plate are flush, the lower end surfaces of the first limiting plate and the second limiting plate are provided with limiting bosses, the outer side surfaces of the first limiting plate and the second limiting plate are provided with arc-shaped positioning pieces, a second reinforcing plate is arranged between the first limiting plate and the second limiting plate, a height difference exists between the second reinforcing plate and the first limiting plate, and the lower end surface of the second reinforcing plate is provided with a stop boss; as shown in fig. 3, the slider base is of a frame structure, a limiting groove matched with the circumferential profile of the transition piece is arranged on the upper end face of the slider base, the slider base comprises a first connecting plate and a second connecting plate from outside to inside along the normal direction of a drawing, a first reinforcing plate is arranged between the first connecting plate and the second connecting plate, a stop groove matched with the stop boss is arranged on the upper end face of the first reinforcing plate, the cross section of the stop groove is in a step shape, limiting sunk grooves are arranged on the inner side faces of the connecting positions of the first connecting plate, the second connecting plate and the first reinforcing plate, and the limiting sunk grooves are matched with the limiting boss; as shown in fig. 4, the sliding block body, the balls, the transition piece and the limiting base are sequentially arranged from top to bottom, the guide rail is located on one side of the sliding block base, the first boss is matched and limited with the second sliding groove in the installation process, the second sliding groove located on the inner side of the limiting groove is matched with the first sliding groove to form the ball sliding groove, and the balls are arranged inside the ball sliding groove.

Claims (8)

1. A novel linear guide rail comprises a guide rail and a slide block, and is characterized in that the slide block comprises a slide block body which is detachably connected, transition piece and slider base, all be equipped with first spout on two relative sides of guide rail, first spout is arranged along the length direction of guide rail, be equipped with on the slider base with the first boss of first spout assorted, one side of slider base is equipped with the outer fringe profile assorted spacing groove with the transition piece, the one end that the slider base was kept away from to the transition piece is equipped with the outer fringe profile assorted mounting groove with the slider body, be equipped with the second spout of arranging with first spout syntropy on the slider body, first spout and second spout can dock and form the ball spout, the ball can slide along the length direction of ball spout, the slider body includes the base plate, be equipped with the installation otic placode on the terminal surface that the base is close to the slider base, the transition piece that is the frame type includes interval arrangement's first limiting plate and second limiting plate along its length direction.

2. The novel linear guide rail as claimed in claim 1, wherein the frame-shaped slider base comprises a first connecting plate and a second connecting plate which are arranged at intervals along the length direction of the slider base, the first connecting plate is in an inverted "U" shape, the first boss is arranged on the inner side surface of the first connecting plate, a first reinforcing plate is arranged between the first connecting plate and the second connecting plate, the number of the first reinforcing plates is two, the first reinforcing plates are arranged at intervals along the width direction of the slider base, the upper end surfaces of the first connecting plate and the second connecting plate are flush, and the upper end surface of the first reinforcing plate is lower than the upper end surface of the first connecting plate.

3. The novel linear guide rail as claimed in claim 2, wherein the corner points of the limiting grooves are provided with limiting sunken grooves, the end surfaces of the first limiting plate and the second limiting plate away from the slider body are provided with limiting bosses matched with the limiting sunken grooves, second reinforcing plates are arranged between the first limiting plate and the second limiting plate, and the number of the second reinforcing plates is two and the second reinforcing plates are arranged at intervals along the width direction of the transition piece.

4. The novel linear guide rail as claimed in claim 3, wherein the end surface of the first reinforcing plate close to the slider body is provided with a step-shaped stop groove, the stop groove is arranged along the length direction of the first reinforcing plate, and the end surface of the second reinforcing plate far from the slider body is provided with a stop boss in male-female fit with the stop groove.

5. The novel linear guide rail according to claim 1, wherein the number of the mounting lugs is two, the mounting lugs are arranged at intervals along the length direction of the base plate, the second sliding grooves are formed in the inner side faces of the mounting lugs, the outer side faces of the mounting lugs are matched with the end faces of the base plate to form error-accommodating grooves, the cross sections of the error-accommodating grooves are fan-shaped, and arc-shaped positioning pieces are arranged on the outer side faces of the first limiting plate and the second limiting plate.

6. The novel linear guide rail according to claim 1, wherein the first sliding groove and the second sliding groove are semicircular in cross section and equal in diameter, and the diameter of the ball is smaller than or equal to that of the ball sliding groove.

7. The novel linear guide rail according to claim 4, wherein the first connecting plate and the second connecting plate are provided with first mounting holes penetrating along the thickness direction, the first limiting plate and the second limiting plate are provided with second mounting holes penetrating along the thickness direction, the slider body is provided with third mounting holes along the width direction, when the slider body, the transition piece and the slider base are matched to form a slider, the first mounting holes, the second mounting holes and the third mounting holes are concentrically arranged, and the connecting piece sequentially penetrates through the first mounting holes, the second mounting holes and the third mounting holes to connect the slider body, the transition piece and the slider base together.

8. The novel linear guide rail of claim 7, wherein the connecting member is a bolt, a screw or a pin.

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