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WO2019007458A1 - Procédé pour retirer et/ou introduire une bande de recouvrement pour un palier à roulement linéaire ainsi que palier à roulement linéaire - Google Patents

Procédé pour retirer et/ou introduire une bande de recouvrement pour un palier à roulement linéaire ainsi que palier à roulement linéaire Download PDF

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Publication number
WO2019007458A1
WO2019007458A1 PCT/DE2018/100555 DE2018100555W WO2019007458A1 WO 2019007458 A1 WO2019007458 A1 WO 2019007458A1 DE 2018100555 W DE2018100555 W DE 2018100555W WO 2019007458 A1 WO2019007458 A1 WO 2019007458A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover strip
guide rail
carriage
receptacle
guide
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2018/100555
Other languages
German (de)
English (en)
Inventor
Martin Menges
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
Schaeffler Technologies AG and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG and Co KG filed Critical Schaeffler Technologies AG and Co KG
Publication of WO2019007458A1 publication Critical patent/WO2019007458A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/08—Arrangements for covering or protecting the ways
    • F16C29/082—Arrangements for covering or protecting the ways fixed to the way
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00—Bearings for parts moving only linearly
    • F16C29/005—Guide rails or tracks for a linear bearing, i.e. adapted for movement of a carriage or bearing body there along
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators

Definitions

  • the invention relates to a method for removing and / or inserting a cover strip in a linear roller bearing with the features of the preamble of claim 1.
  • the invention also relates to such a linear roller bearing.
  • Linear roller bearings have, in many embodiments, a rail and a carriage arranged on the rail, which can move on the rail, wherein the carriage is supported by rolling elements on the rail in order to reduce the friction and / or increase the load capacity of the linear roller bearing.
  • the rails of the linear roller bearings are often fastened via screw to a support structure.
  • the rails through openings can be pushed through the screws for the screw.
  • the rails are not regularly made for a particular support structure, but have as universal components on a series of through holes. This results in a large number of differently deep through holes or blind holes depending on the design of the support structure for the linear roller bearing. In these recordings can accumulate soiling, which are difficult to clean by regular maintenance of the linear roller bearing and therefore lead to an unwanted contamination of the linear roller bearing.
  • document WO 01/42671 A1 which is probably the closest prior art, discloses a guide rail for a linear rolling bearing, wherein the rail has a plurality of passage openings.
  • a band is arranged, which engages in two grooves and which covers the passage openings.
  • the grooves are parallel to the longitudinal direction of the guide rail.
  • the invention relates to a method which comprises, as a method step, a removal of a cover strip and, alternatively or additionally, as a method step, the introduction of a cover strip in a linear roller bearing.
  • the linear roller bearing has at least one guide rail, at least one guide carriage and a cover strip.
  • the at least one guide carriage is arranged to be movable on the guide rail in a longitudinal direction and / or travel direction.
  • the linear roller bearing has a plurality of rolling elements, wherein the rolling elements are preferably formed as balls. Alternatively, the rolling elements can also be realized as cylindrical rollers etc. Particularly preferably be formed by the carriage and the guide rail several Wälzoresumcreate in which the rolling elements are arranged.
  • the rolling elements move in an endless movement in the respective Wälz analysesumlauf, so that the carriage can be moved endlessly on the guide rail.
  • the rolling elements are carried and / or guided by the carriage.
  • the guide carriage has guide carriage raceways, the guide rail has rail tracks, wherein the rolling elements are guided between the guide carriage raceways and the rail tracks.
  • the guide rail has a receptacle for the cover strip.
  • the receptacle extends in the longitudinal extent of the guide rail.
  • the cover strip extends in an assembled state between the carriage and the Guide rail.
  • the guide rail on through holes or blind holes, which are aligned perpendicular to the longitudinal extent of the guide rail and which are covered by the cover strip.
  • the cover strip has in particular a longitudinal extent, which is a multiple of the transverse extent.
  • the cover strip is arranged captively in the receptacle and / or is held by the guide rail.
  • the cover strip be guided during insertion into the receptacle and / or during removal from the receptacle, ie during assembly and / or during dismantling between the guide carriage and the guide rail.
  • assembly or disassembly is carried out with attached guide carriage.
  • the cover strip between at least one of the carriages, some of the carriages or all of the carriage and the guide rail is performed.
  • the masking tape is manually guided, moved, pushed or pulled between the carriage and the guide rail during insertion or removal.
  • the cover strip is introduced laterally and / or in the longitudinal direction, in particular starting from an end region or an end side of the guide rail, into the guide rail or removed from the guide rail.
  • the masking tape can be unwound, for example, from a roll, which is located at the end of the guide rail.
  • the masking tape is spread over a greater rail length, such as e.g. greater than 1 m, preferably greater than 2 m and in particular more than 3 m between the carriage and the guide rail during insertion or removal.
  • the guide rail has a receiving channel, which in a cross section shows a preferably rectangular profile.
  • the receiving channel has a channel bottom and two channel walls.
  • the receptacle is arranged in the receiving channel and / or is formed by this.
  • the channel bottom is arranged perpendicular and / or angled to the channel walls. In the channel bottom, for example, the through hole or blind holes are arranged.
  • the channel walls in the longitudinal direction of the guide rail extending and preferably facing each other wall grooves.
  • the wall grooves form the receptacle for the cover band.
  • the cover strip is inserted into the guide rail such that lateral end regions of the cover strip engage in the wall grooves.
  • the cover strip is held in a form-fitting manner in the wall grooves and / or in the receptacle in the transverse direction to the guide rail.
  • the cover strip In the longitudinal direction of the guide rail, the cover strip is manually displaceable and / or received friction.
  • the transverse direction is preferably to be understood as meaning any direction which is perpendicular to the longitudinal extension of the guide rail is aligned. Transverse direction thus includes in particular a lateral direction, a direction normal to the surface (height direction) of the channel bottom or in the opposite direction thereto.
  • the wall grooves together form an upper opening width. It is envisaged that the cover tape is formed wider than the upper opening width, so that the cover tape can not be dissolved out in the direction normal to the surface of the channel bottom.
  • the fit width of the cover strip and the thickness of the cover strip to the width and thickness of the wall grooves is designed such that the manual insertion and / or removal is made possible in the wall grooves, even with large guide rail lengths or multi-part, abutted guide rails.
  • the masking tape is flat on the channel bottom.
  • the channel bottom can be used as an additional guide surface for the cover strip, for example, to avoid tilting or the like of the cover strip.
  • the cover strip is designed as a metal strip, in particular as a steel strip.
  • the cover strip has a main web section and a secondary web section.
  • the Hauptbannabites engages on both sides in the Wandnuten.
  • the secondary track section is preferably arranged centrally and / or centrally on the main track section and is narrower so that the free side sections of the cover strip remain for insertion into the wall grooves.
  • the secondary track section is through the channel walls in the lateral direction guided.
  • the cover strip may have a centering aid and / or an additional interface for a traction device, in particular at a free end.
  • the cover strip can be designed, for example, as an arrow or with separate or rounded corners.
  • the additional interface for a traction means can be realized in a simple manner as a passage opening in the cover strip.
  • a traction means is hooked into the interface, so that the cover strip is inserted not only by means of compressive forces in the guide rail, but additionally or alternatively can be drawn with tensile forces in the guide rail.
  • the thickness of the cover strip is especially designed so that no deformations in the cover strip and / or in the guide rail during manual insertion can occur.
  • the guide carriage has a wiper section, in particular a L Lucassabstreiferabsacrificing, wherein the L Lucassabstreiferabites slides on the cover strip.
  • the cover band forms a functional partner for the L Lucassabstreiferabites of the guide carriage.
  • the Leksabstreiferabites also slide on the rail tracks right and left to the receiving channel.
  • the cover strip is laterally rounded, in particular rounded off. This variant makes it possible to work with low coefficients of friction between the cover strip and the guide rail. It is also possible to keep the required gap between the guide rail, in particular the wall groove, and the cover strip very low in order to ensure the best possible sealing effect against chips, particles, lubricant, etc.
  • the edges of the cover strip are coated with a lubricious material, such as a Gleitschulstoffbe Anlagenung, a lubricant, in particular pasty lubricant, or wetted with a lubricant.
  • the cover strip on the edge sealing lips in particular resilient sealing lips for sealing against the guide rail.
  • the selected strip cross-section in combination with the base material of the cover strip allows a very small winding diameter to be realized even with long strip lengths. This is important in order to minimize the space required for mounting in front of the guide rail, e.g. in the range of a carriage length to keep. As a result, the assembly is facilitated in many applications with limited accessibility.
  • Another object of the invention relates to a linear roller bearing, which is designed for the method according to one of the preceding claims.
  • Figure 1 a is a schematic plan view of a linear roller bearing with partially inserted cover strip
  • FIGS. 3 a - g show various variants of the cross-sectional profile of the cover band
  • FIG. 1 shows a schematic plan view of a linear roller bearing 1 as an embodiment of the invention.
  • the linear roller bearing 1 has a plurality of guide rails 2, on which two guide carriages 3 are arranged.
  • the guide rails 2 abut each other at the end, so that they form a common guide rail arrangement.
  • the guide carriages 3 are arranged on the guide rail arrangement.
  • the carriage 3 are arranged along a longitudinal extension L on the guide rails 2 movable.
  • the carriage 3 each have a support body 4, wherein at the ends in the direction of travel L head pieces 5 are placed.
  • the guide carriage 3 are mounted on the guide rails 2 via rolling elements (not shown).
  • the guide carriage 3 each have four WälzMechum concept, in which the rolling elements are arranged. In this case, two of the WälzMechumcreate are arranged on each side of the guide rails 2.
  • the guide rails 2 each have a plurality of passage openings 6, which are aligned perpendicular to the direction of travel L and serve to attach the respective guide rail 2 to a support structure.
  • the guide rails 2 are each provided with a bottom surface on the support structure, which is broken through the through-holes 6. Through the through holes 6 screws can be performed to secure the guide rails 2 to the support structure.
  • the linear roller bearing 1 has a cover strip 7, wherein the cover strip 7 covers the guide rails 2 on the side facing the carriage 3, so that the passage openings 6 are closed.
  • the cover tape 7 is arranged in a receptacle 8, which is provided by the guide rail 2.
  • the cover strip 7 extends over a plurality of guide rails 2. It is thus a common cover strip 7 for a plurality of guide rails 2. For mounting the cover strip 7 is laterally in or against the direction of travel L in the Guide rails 2 at an end face or at a joint between two guide rails 2 introduced.
  • the insertion of the cover strip 7 takes place while the guide carriages 3 are movably arranged on the guide rails 2. More precisely, the cover strip 7 is pushed or pulled through between the guide rail 2 and the guide carriage 3, while the guide carriage 3 is arranged movably on the guide rail 2.
  • the cover strip 7 bridges in particular one or more joints 9 between the guide rails 2.
  • the advantage of the method is that the carriages 3 need not be dismantled from the guide rails 2, so that the machine, device, etc. in which the linear roller bearing 1 is integrated, does not have to be disassembled consuming. An assembly, disassembly or replacement of the cover 7 is possible without much effort.
  • the guide carriage 3, in particular the support body 4 and / or the head pieces 5 have a Leksabstreifer, which seals a gap between the guide rail 2 and the carriage 3.
  • the longitudinal scraper can slide on the cover strip.
  • FIGS. 2a-e show in a schematic longitudinal section five different variants of the receptacle 8 in the guide rail 2 for the cover strip 7.
  • the receptacle 8 is formed on the upper side of the guide rail 2.
  • Rail side rails 10 are arranged on the guide rail 2, which extend in this embodiment at an angle of approximately 45 °.
  • the receptacle 8 is formed by a receiving channel 1 1, which is bounded laterally by channel walls 12 a, b and the bottom side by a channel bottom 13.
  • wall grooves 14 a, b are introduced, wherein a depth extension of the wall grooves 14 a, b in the cross section shown in a transverse direction and / or perpendicular to the travel direction L and a longitudinal extension of the wall grooves 14 a, b is aligned parallel or rectified to the travel direction L.
  • the cover 7 can be inserted.
  • the wall grooves 14 a, b form an opening width 0, wherein the opening width 0 is narrower than a width B of the cover 7.
  • the groove width N which is measured between the groove bottoms of the wall grooves 14 a, b on the other hand, it is larger than the width B of the cover strip 7.
  • the cover strip 7 is thus held in the receiving channel 1 1 in a form-fitting manner in the radial direction to the travel direction L and / or in the transverse direction and / or in the height direction of the guide rail 2.
  • the cover strip 7 is manually move and / or arranged with low friction, so that it can be inserted into the receiving channel 1 1 and / or the guide rails 2.
  • masking tape 7 and receiving channel 1 1 are designed so that upon insertion and / or removal no deformation of the components in the region of the guide rail 2 takes place.
  • the channel bottom 13 is arranged relative to the wall grooves 14 a, b so that the cover strip 7 is supported in particular in the inserted state on the channel bottom 13 in a planar manner.
  • the channel bottom 13 forms a guide surface during insertion or removal of the cover 7 in the guide rail 2 or the guide rail assembly.
  • the channel section 15 of the guide rail 2 is in one piece and / or in one piece and / or formed from a common material section.
  • the channel sections 15 of Figures 2c - e are formed in several parts, in particular, a portion which comprises the rail tracks 10 and an upper cover of the wall grooves 14 a, b, mounted on a base body.
  • the wall grooves 14 a, b formed as triangular grooves, wherein the lower groove wall is formed by an extension of the channel bottom 13.
  • the wall grooves 14 a, b formed as rectangular grooves.
  • the wall grooves 14 a, b are formed part-circular in the cross section shown.
  • the opening sections O defining end portions are rounded in the cross section shown.
  • the wall grooves 14 a, b in the shown Cross-section formed part-circular, the end portions are realized in the cross-section shown rectangular.
  • the wall grooves 14a, b are part-circular and the end sections are rectangular.
  • the wall grooves 14 a, b are recessed relative to the channel bottom 13, so that it is ensured that the cover strip 7 rests on the channel bottom 13.
  • FIGS. 3 a-g show various variants of the cover strip 7 in a cross-section, wherein the variants are adapted to the groove shapes of the channel sections 15.
  • the cover strip 7 of Figure 3a has a lateral slope, which is dimensioned corresponding to the triangular groove of the channel portion 15 in Figure 2a.
  • the masking tape 7 of FIG. 3b is rectangular in the cross section shown, so that it is adapted to the rectangular groove of the channel section 15 in FIG. 2b.
  • the cover strip 7 of FIG. 3c is rounded off in the edge regions, in particular rounded off, so that this is corresponding to the channel sections 15 of FIGS. 2 c-b.
  • FIGS. 3 d-f show variants of the cover strip 7, which each have a main web section 16 and a secondary web section 17.
  • the main track section 16 is adapted in its width to the groove width N, because side track section 17 is adapted in its width to the opening width O.
  • the adaptation takes place in particular in such a way that the cover band 7 can be inserted without jamming and in particular without deformation of the cover band 7 and / or of the receiving channel 11.
  • the thicknesses of the cover strips 7 are each designed so that the cover 7 can be inserted without jamming and in particular without deformation of the cover 7 and / or the receiving channel 1 1. Furthermore, by designing the strip thicknesses, a flush surface can be produced to the upper side of the guide rail.
  • FIG. 3d shows a variant of the cover strip 7, the main web section 16 and the secondary web section 17 being formed in one piece from a common base material.
  • the side areas of the main track section 16 are rounded and / or rounded off, similar to the embodiment in FIG. 3c.
  • a variant of the cover strip 7 is shown, wherein the main track section 16 and secondary track section 17 are formed as two components, which are interconnected.
  • the side regions of the main web section 16 are rounded and / or rounded as before.
  • FIG. 3f shows a two-part variant, like FIG. 3e, but with the side regions of the mainman section 16 being rectangular.
  • FIG. 3g shows a one-piece variant, which is constructive like the variant in FIG. 3f.
  • main track section 16 and side track section 17 are connected to each other, for example, materially bonded.
  • FIGS. 4 a - d show four variants of a strip beginning of the cover band 7.
  • the beginning of the strip is formed from above as a rectangle in a plan view.
  • the corners of the beginning of the strip are cut so that threading of the cover strip 7 into the receiving channel 11 is simplified.
  • the corners are rounded.
  • the beginning of the band of the cover band 7 has a mechanical interface 18, wherein the mechanical interface 18 is designed as a passage opening in the cover band 7.
  • a traction device can be hooked to retract the cover 7 in the receptacle 8 and / or the receiving channel 1 1.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bearings For Parts Moving Linearly (AREA)

Abstract

L'invention comprend des paliers à roulement linéaires présentant dans de nombreux modes de réalisation un rail ainsi qu'un chariot qui est agencé sur le rail et qui peut se déplacer sur le rail, le chariot étant en appui sur le rail par l'intermédiaire de corps roulants, afin de réduire le frottement et/ou d'augmenter la capacité de charge du palier à roulement linéaire. L'invention a pour but de mettre au point un procédé permettant d'améliorer l'entretien d'un palier à roulement linéaire. À cet effet, l'invention concerne un procédé pour retirer et/ou introduire une bande de recouvrement (7) pour un palier à roulement linéaire (1). Le palier à roulement linéaire (1) comprend un rail (2) de guidage, au moins un chariot (3) de guidage et la bande de recouvrement (7). Le chariot (3) de guidage est agencé de manière à pouvoir se déplacer sur le rail (2) de guidage. Le rail (2) de guidage présente un logement (8) pour la bande de recouvrement (7). La bande de recouvrement (7) peut être agencée dans le logement (8) entre le chariot (3) de guidage et le rail (2) de guidage. La bande de recouvrement (2), lorsqu'elle est introduite dans le logement (8) et/ou lorsqu'elle est retirée du logement (8), est amenée à passer entre le chariot (3) de guidage et le rail (2) de guidage.
PCT/DE2018/100555 2017-07-05 2018-06-12 Procédé pour retirer et/ou introduire une bande de recouvrement pour un palier à roulement linéaire ainsi que palier à roulement linéaire Ceased WO2019007458A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102017006351.6 2017-07-05
DE102017006351 2017-07-05
DE102017124243.0 2017-10-18
DE102017124243.0A DE102017124243A1 (de) 2017-07-05 2017-10-18 Verfahren zum Entnehmen und/oder Einführen eines Abdeckbands bei einem Linearwälzlager sowie Linearwälzlager

Publications (1)

Publication Number Publication Date
WO2019007458A1 true WO2019007458A1 (fr) 2019-01-10

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PCT/DE2018/100555 Ceased WO2019007458A1 (fr) 2017-07-05 2018-06-12 Procédé pour retirer et/ou introduire une bande de recouvrement pour un palier à roulement linéaire ainsi que palier à roulement linéaire

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DE (1) DE102017124243A1 (fr)
WO (1) WO2019007458A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110919334A (zh) * 2019-12-25 2020-03-27 嘉善万润精密机械股份有限公司 组合滑块的组装方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812505A1 (de) * 1987-04-21 1988-11-10 Nippon Seiko Kk Linearfuehrungsvorrichtung
DE9420428U1 (de) * 1994-12-21 1995-02-16 INA Wälzlager Schaeffler KG, 91074 Herzogenaurach Führungsschiene für ein Linearlager
WO2001042671A1 (fr) 1999-12-10 2001-06-14 Ina-Schaeffler Kg Rail de guidage pour palier lineaire
WO2007096329A1 (fr) * 2006-02-24 2007-08-30 Schaeffler Kg Rail de guidage comportant une bande de recouvrement pour un palier linéaire
JP2007333148A (ja) * 2006-06-16 2007-12-27 Nsk Ltd 直動案内装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3812505A1 (de) * 1987-04-21 1988-11-10 Nippon Seiko Kk Linearfuehrungsvorrichtung
DE9420428U1 (de) * 1994-12-21 1995-02-16 INA Wälzlager Schaeffler KG, 91074 Herzogenaurach Führungsschiene für ein Linearlager
WO2001042671A1 (fr) 1999-12-10 2001-06-14 Ina-Schaeffler Kg Rail de guidage pour palier lineaire
WO2007096329A1 (fr) * 2006-02-24 2007-08-30 Schaeffler Kg Rail de guidage comportant une bande de recouvrement pour un palier linéaire
JP2007333148A (ja) * 2006-06-16 2007-12-27 Nsk Ltd 直動案内装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110919334A (zh) * 2019-12-25 2020-03-27 嘉善万润精密机械股份有限公司 组合滑块的组装方法

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