CN206017440U - A kind of can homogenizing error load-carrying rolling line slideway auxiliary - Google Patents

Abstract

The utility model discloses a kind of can homogenizing error load-carrying rolling line slideway auxiliary, including slide block, guide rail.Rolling element is equipped between guide rail and four rail contact faces of slide block, rolling element is moved along slide block glide direction；The both sides of rolling element are round and smooth bus, and the bus includes the correction camber line positioned at middle stress camber line and end through correcting process；Slider track inner concave forms interior contact point with the bus of rolling element, and orbit of guide rail arcuate surface forms external contact with the bus of rolling element, and interior contact point and external contact are in " o " type distribution with the geometrically symmetric center of orbit of guide rail as the center of circle.When slide block bears unbalance loading or guide rail integrated deflection occurs, so that there is skew in the contact point formed by interior contact and outer contacting, offset unbalance loading or track integrated deflection occurs to rolling the impact of body contact zone, in ensureing, the contact stress of contact and outer contacting is less than the limit, not to causing orbital plane to produce damage.

Description

A kind of can homogenizing error load-carrying rolling line slideway auxiliary

Technical field

This utility model be related to a kind of can homogenizing install, the load-carrying rolling line slideway auxiliary of foozle.

Background technology

Roller line slideway auxiliary rolling element is placed in the coffin that slider track and orbit of guide rail are formed, rolling element with The motion of slide block is done around its center axis rotary motion, and the linear velocity of rotation is approximately equal to slide block movement linear velocity, interorbital Often there are multiple rolling elements while, roll in the same direction, guarantee that slide block can be along guide rail simultaneously in the carrying for carrying slide block transmission Motion；Product manufacturing can produce error with when installing, can be because contact area when rolling element (roller) is installed between orbital plane Deformation, causes roller unbalance stress, easily occurs more than the appearance of limiting range of stress situation, under causing orbital plane fatigue life serious Drop；Rolling element unbalance stress causes athletic posture change occur, affects slide block movement fluency, and produces contact to miscellaneous part Power, the rate of decay of acceleration component produce destruction to the performance of whole product, reduce the service life of product.

Utility model content

In order to solve the deficiencies in the prior art, the utility model proposes a kind of load-carrying rolling line slideway auxiliary, works as track When deflection occurs in face, rolling element produces skew with the contact point of orbital plane, it is to avoid ends contact stress concentration during roller unbalance loading Occur, slider track is matrix, holding effect is played to rolling element, be not in that rolling element sliding is collapsed and gone wrong, reduce production Manufacture difficulty, easily realizes that economization is produced.

This utility model is adopted the following technical scheme that：

A kind of can homogenizing error load-carrying rolling line slideway auxiliary, including slide block, guide rail, the slide block is connected in guide rail And reciprocatingly slide along guide rail, the guide rail both sides and slide block are respectively equipped with the four of four rail contact faces, the guide rail and slide block Rolling element is equipped between bar rail contact face, and rolling element is moved along slide block glide direction；

The both sides of the rolling element are round and smooth bus, and the bus includes passing through positioned at middle stress camber line and end The correction camber line of correcting process；

The inner concave of the slider track forms interior contact point, orbit of guide rail arcuate surface and rolling element with the bus of rolling element Bus form external contact, the interior contact point and external contact are in " o " with the geometrically symmetric center of orbit of guide rail as the center of circle Type is distributed；

When slide block bears unbalance loading or guide rail integrated deflection occurs, due to the inner concave of slider track, rolling element bus, lead , there is entirety so as to offset unbalance loading or track in the design of rail track arcuate surface so that skew occur in interior contact point and outer contacting point Impact of the deflection to rolling body contact zone.

Preferably, the interior contact point and external contact have four pairs and opposite rail track geometry symmetrical centre is symmetrical, connect The torque that touch is can bear for slide block to the product of the geometrically symmetric line of centres intersection point of orbit of guide rail with contact point.

Preferably, the rolling element both sides are provided with retainer, and retainer guarantees that rolling element does not fall off and arranges along direction is determined Row.

Preferably, the slide block has inner concave, edge-on block face, supporting surface, and between edge-on block face and supporting surface, angle is Between 85 ° -88 °, edge-on block face contacts rolling element with inner concave.

Preferably, the mean exposure stress of the interior contact point and external contact adapts to ratio with rolling element bus and orbital plane In positive parabolic relation, i.e. rolling element bus curvature with track face curvature ratio in positive parabolic relation.

Preferably, the guide rail is respectively provided on two sides with the first rail contact face and the second rail contact face of arc, and first Vertical surface is provided between rail contact face and the second rail contact face.

The Advantageous Effects for adopting as above technical scheme to obtain for：

When slide block bears unbalance loading or guide rail integrated deflection occurs, due to the inner concave of slider track, rolling element bus, lead The design of rail track arcuate surface so that skew occurs in the contact point formed by interior contact and outer contacting, offsets unbalance loading or track goes out Impact of the existing integrated deflection to rolling body contact zone, it is ensured that the contact stress of interior contact and outer contacting is less than the limit, not to leading Rail orbital plane produces damage.

Description of the drawings

Fig. 1 be this utility model involved by can homogenizing error load-carrying rolling line slideway auxiliary front view.

Fig. 2 is slide block, rolling element, guide rail position structural representation.

Fig. 3 is slide block structure schematic diagram.

Fig. 4 is guide rail structure schematic diagram.

Fig. 5 is rolling element structural representation.

Fig. 6 bears unbalance loading for slide block or rolling element contact point plan of transposition during integrated deflection occurs in guide rail.

Radian and contact stress relation curve of the Fig. 7 for rolling element stress camber line.

Length and contact stress relation curve of the Fig. 8 for rolling element stress camber line.

In figure, 1, guide rail, 2, retainer, 3, rolling element, 4, slide block, 5, " o " type, " o " type after 5`, skew, 11, first Rail contact face, the 14, second rail contact face, 15, vertical surface, 31, revise camber line, 32, stress camber line, 41, supporting surface, 42, Edge-on block face, 43, inner concave；

Interior contact point 43a, 43b that the bus of the inner concave of slider track and rolling element is formed, orbit of guide rail arcuate surface with External contact 13a, 13b that the bus of rolling element is formed；

When slide block bears unbalance loading or guide rail integrated deflection occurs, the inner concave of slider track is formed with the bus of rolling element Interior contact point 43a`, 43b`, external contact 13a`, 13b` that the bus of orbit of guide rail arcuate surface and rolling element is formed.

Specific embodiment

It is described further in conjunction with 1 to 8 pair of specific embodiment of the present utility model of accompanying drawing：

A kind of can homogenizing error load-carrying rolling line slideway auxiliary, including slide block 4, guide rail 1, the slide block is connected to guide rail Interior and reciprocatingly slide along guide rail, the guide rail both sides and slide block are respectively equipped with four rail contact faces.The guide rail and slide block Rolling element 3 is equipped between four rail contact faces, and rolling element is moved along slide block glide direction；The both sides of the rolling element are circle Sliding bus, the bus include the correction camber line positioned at middle stress camber line and end through correcting process；The slide block The inner concave of track forms interior contact point with the bus of rolling element, and orbit of guide rail arcuate surface forms outer contacting with the bus of rolling element Point, the interior contact point and external contact are in " o " type distribution with the geometrically symmetric center of orbit of guide rail as the center of circle；When slide block bears When integrated deflection occur in unbalance loading or guide rail, as the inner concave of slider track, rolling element bus, orbit of guide rail arcuate surface set Meter so that skew occur in interior contact point and outer contacting point, offsets unbalance loading or track integrated deflection occurs to rolling body contact zone Affect.

The mean exposure stress of interior contact point and external contact is adapted to than being in positive parabola with rolling element bus and orbital plane There is a minimum adaptation ratio and minimum with track face curvature ratio in positive parabolic relation in relation, i.e. rolling element bus curvature Mean exposure stress is corresponding.

Rolling element bus includes the correction camber line 31 positioned at middle stress camber line 32 and end through correcting process, wherein 32 overall length of stress camber line is LS, and it is R31 to revise 31 radius of curvature of camber line, and 32 radius of curvature of stress circular arc is R32, and L is rolling element Overall length, DW are rolling element maximum gauge.Rolling element both sides are provided with retainer 2, and retainer guarantees that rolling element does not fall off and along i.e. fixed Direction arranges.Occur without 3 end stress of rolling element to concentrate or averagely should less than the limiting range of stress or contact area when guaranteeing to carry The most low condition of power.

Interior contact point and external contact have four pairs and opposite rail track geometry symmetrical centre symmetrical, contact force and contact point To the torque that the product of the geometrically symmetric line of centres intersection point of orbit of guide rail is can bear for slide block.When slide block 4 bears torque M, Track is by contact force F1, F1 ' torque M is with the product of arm of force L/2.

Slide block has inner concave 43, edge-on block face, supporting surface, in order to reduce edge-on block face 42 with rolling element end contact Frictional force, between edge-on block face 42 and supporting surface 41, angle is that edge-on block face is connect with the inner concave of slider track between 85 ° -88 ° Tactile rolling element.

Guide rail is respectively provided on two sides with the first rail contact face 11 and the second rail contact face 14 of arc, the first rail contact Vertical surface 15 is provided between face and the second rail contact face.First rail contact face is convex track, and size is R11；Second rail Road contact surface size is R14.

Fig. 7 is with orbital arc as variable under the conditions of particular bearer, with contact area stress average or maximum as optimizing Parameter, seeks optimal trajectory circular arc data, with rolling element stress camber line R32 as variable, is contacted with equal load-up condition lower railway face The minimum target variable of maximum stress, in figure, abscissa is arc size, and vertical coordinate is stress maximum.

Length LS of Fig. 8 display scrolling body stress arcs is variable, equally with contact area stress average or maximum as optimizing Parameter, seeks roller bus structure parameter best value.It is length LS as variable with rolling element orbital arc R32, with equal load bar The minimum target variable of part lower railway face contact stress extreme value, in figure, abscissa is LS size changing amount, and vertical coordinate is stress pole Big value.

Guide rail, slider track face arc size solve herewith principle.

Under normal circumstances rolling element 3 and 1 contact point position 13a of guide rail (by taking wherein one track as an example, totally four tracks, its He three with), interior contact point 43a, 43b that the bus of the inner concave of slider track and rolling element is formed, orbit of guide rail arcuate surface External contact 13a, the 13b formed with the bus of rolling element, contact point are in " o " type 5.Slide block bears unbalance loading or leads as shown in Figure 6 When integrated deflection occurs in rail so that skew occurs in the contact point of rolling element and track, contact point is changed into 13a`, 13b`, 43a`, 43b`, contact point, can pass through as track and rolling element bus have been designed to arc surface (line) in " o " type 5` after skew Offset contact point come offset unbalance loading or heeling error to roll body contact zone impact, will not make localized contact stress exceed pole Limit, cause orbital plane to produce damage.

Can the load-carrying rolling line slideway auxiliary bearing part of homogenizing error be mainly made up of slide block, rolling element and guide rail, sliding The external load power that block bears passes to guide rail by rolling element, and slide block, guide rail produce contact, rolling by orbital plane and rolling element Kinetoplast revises bus structure using part, and slide block, orbit of guide rail face adopt arc surface structure, Contact Pair when guideway bears underloading For a contact, with the increase for carrying, contact area is changed into line (face) contact, and orbit of guide rail face is designed as crowning, slider track Face is designed as concave face, improves rolling element and keeps performance；When track is contour there is deviation, the contact point of rolling element and orbital plane Can occur offseting, offsetting deviation with this causes to roll the undesirable problem of body contact zone.

Certainly, described above is only preferred embodiment of the present utility model, and this utility model is not limited to enumerate above-mentioned Embodiment, it should be noted that, under the guidance of this specification, that made is all etc. for any those of ordinary skill in the art With replacement, obvious variant, all fall within the essential scope of this specification, protection of the present utility model ought to be subject to.

Claims (5)

1. a kind of can homogenizing error load-carrying rolling line slideway auxiliary, including slide block (4), guide rail (1), slide block (4) clamping Reciprocatingly slide in guide rail (1) and along guide rail (1), guide rail (1) both sides and slide block (4) are respectively equipped with four rail contacts Face, it is characterised in that

Rolling element (3) is equipped between four rail contact faces of guide rail (1) and slide block (4), and rolling element (3) is along slide block (4) glide direction motion；

The both sides of rolling element (3) are round and smooth bus, and the bus is included positioned at middle stress camber line (32) and end Correction camber line (31) through correcting process；

The inner concave (43) of the slider track forms interior contact point, orbit of guide rail arcuate surface and rolling with the bus of rolling element (3) The bus of kinetoplast (3) forms external contact, and the interior contact point and external contact are in the geometrically symmetric center of orbit of guide rail as circle " o " type distribution of the heart.

2. according to claim 1 a kind of can homogenizing error load-carrying rolling line slideway auxiliary, it is characterised in that described interior Contact point and external contact have four pairs and opposite rail track geometry symmetrical centre is symmetrical, and contact force is with contact point to orbit of guide rail The product of geometrically symmetric line of centres intersection point is the torque that slide block (4) can bear.

3. according to claim 1 a kind of can homogenizing error load-carrying rolling line slideway auxiliary, it is characterised in that the rolling Kinetoplast (3) both sides are provided with retainer (2), and retainer (2) guarantees that rolling element (3) does not fall off and arranges along direction is determined.

4. according to claim 3 a kind of can homogenizing error load-carrying rolling line slideway auxiliary, it is characterised in that the cunning Block (4) has inner concave (43), edge-on block face (42), supporting surface (41), angle between edge-on block face (42) and supporting surface (41) Between for 85 ° -88 °, edge-on block face (42) contact rolling element with inner concave (43).

5. according to claim 1 a kind of can homogenizing error load-carrying rolling line slideway auxiliary, it is characterised in that described lead Rail (1) is respectively provided on two sides with the first rail contact face (11) and the second rail contact face (14) of arc, the first rail contact face (11) between and the second rail contact face (14), vertical surface (15) is provided with.