EP1226364A1 - Führungsschiene für ein linearlager - Google Patents
Führungsschiene für ein linearlagerInfo
- Publication number
- EP1226364A1 EP1226364A1 EP00974453A EP00974453A EP1226364A1 EP 1226364 A1 EP1226364 A1 EP 1226364A1 EP 00974453 A EP00974453 A EP 00974453A EP 00974453 A EP00974453 A EP 00974453A EP 1226364 A1 EP1226364 A1 EP 1226364A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- guide rail
- clamping
- band
- longitudinal groove
- rail
- 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.)
- Withdrawn
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/58—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism a single sliding pair
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/08—Protective coverings for parts of machine tools; Splash guards
-
- 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
-
- 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
- F16C29/04—Ball or roller bearings
- F16C29/06—Ball or roller bearings in which the rolling bodies circulate partly without carrying load
- F16C29/0633—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides
- F16C29/0635—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end
- F16C29/0638—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls
- F16C29/0642—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls
- F16C29/0645—Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body defining a U-shaped carriage, i.e. surrounding a guide rail or track on three sides whereby the return paths are provided as bores in a main body of the U-shaped carriage, e.g. the main body of the U-shaped carriage is a single part with end caps provided at each end with balls with four rows of balls with load directions in O-arrangement
Definitions
- the invention relates to a guide rail for a linear bearing with a plurality of through openings arranged one behind the other in the longitudinal direction of the rail and extending from the top of the rail for receiving fastening elements, with a longitudinal groove open to the top of the rail and extending over the length of the guide rail, and with a longitudinal groove and the through openings outwardly covering closure body, which is partially or completely inserted into the longitudinal groove, wherein it is pressed into the guide rail under elastic deformation and is fastened there due to its restoring spring force.
- Guide rails are used on machine tools and must be replaced as wear parts from time to time. Therefore, they are often attached to the machine frame with screws.
- a cover band is used to close the bores for the screws as a closure body, which covers the entire width of the guide rail when pressed into the longitudinal groove of the guide rail bulges. Due to its return spring force, the masking tape claws into the side surfaces of the longitudinal groove, so that it is held in the groove along two contact lines. The space of the through openings is closed to the outside along these lines of contact.
- the cover band does not have flat sealing surfaces for the front seals of a guide carriage which can be moved along the guide rail, which can have a disadvantageous effect on the seal.
- a guide rail is known in which a cover plate, which (forming a flat Dichtf kiee, rests with the angled edge portions within a longitudinal groove of the guide rail on the inclined side surfaces. This results in an arrangement of the shroud relative to the guide rail as with a dovetail guide, but when installing the cover plate, it must be inserted from one end into the guide rail in the longitudinal direction of the rail.
- the published patent application DE 195 24 810 A1 shows and describes an arrangement for closing bores in a guide rail, in which two projecting resilient retaining strips for attachment are formed on a cover band used as a closure body and rest against the edges within a longitudinal groove of the guide rail , These are located on two inclined webs, which are formed by milling out the guide rail. The retaining strips can be pushed into the resulting dovetail profile of the longitudinal groove when installing the cover tape. As a result of the two inclined webs, however, there is a disadvantageous production of the guide rail.
- the invention is based on the object of providing a simply constructed guide rail with a flat sealing surface for the front seals of a guide carriage, which enables the closure body to be mounted easily.
- the closure body consists of an outer cover band and in relation to the guide rail an inner clamping band fastened thereon is formed, which has clamping regions and spacers arranged between the cover band and the clamping regions.
- the clamping band deforms when the closure body is pressed in and claws firmly in the longitudinal groove.
- the effect of the resulting deformation is compensated for by the spacer and is therefore not passed on to the masking tape. Therefore, the masking tape does not bulge.
- the clamping band can be made in one piece with the clamping areas and the spacers. Spacers which extend continuously in the longitudinal direction and spacers in several individual sections can be formed on the clamping band and connected to the cover band. The fact that a plurality of individual spacers are formed one behind the other on a clamping band means that it can be rolled.
- the masking tape and the clamping tape can be glued or welded together, for example.
- the guide rail can have two insertion grooves running in the longitudinal direction, each adjoining the longitudinal groove, into which the clamping areas of the clamping band are pressed.
- the longitudinal groove in the guide rail can be designed such that it has shoulders on its long sides.
- the masking tape can be arranged on the guide rail with edge regions lying on the top of the rail. But it is also possible that Insert the closure body into the guide rail so that the cover strip forms a common, flat outer surface with the top of the rail.
- Embodiments of the invention are shown in the drawing in comparison with a previously known guide rail, which is described in more detail below. Show it:
- Figure 1 is an end view of a closure body for a guide rail according to the invention
- Figure 2 shows the cross section of a guide rail, in which the closure body according to Figure 1 is partially inserted;
- Figure 3 shows a further closure body in an end view
- FIG. 4 shows a representation corresponding to FIG. 2 with the further closure body
- Figure 5 shows the cross section of a guide rail, in which a closure body is fully inserted in a third embodiment
- FIG. 6 shows a perspective view of the clamping band of the closure body according to FIG. 5;
- FIG. 7 shows the cross section of a guide rail into which a closure body is completely inserted in a fourth embodiment
- Figure 8 is a perspective view of a longitudinal portion of a previously known guide rail, the longitudinal groove of which is rectangular in cross section, with an end face cut in the region of a through opening;
- FIG. 9 shows an enlarged section of the end face according to encirclement IX of FIG. 8;
- FIG. 10 shows a cross section through the guide rail according to FIG. 8.
- a cover band 1 which consists of a resilient band material, for example a steel sheet, is inserted in a longitudinal groove 2 of the guide rail 5.
- the longitudinal groove starts from the upper side 3 of the rail and has a somewhat smaller width than the cover strip 1. This therefore had to bulge out towards the guide rail 5 when it was pressed into the longitudinal groove.
- a cover band 7 shown in FIGS. 1 and 2 for a guide rail 5 according to the invention is fixedly connected to a gill band 8, which lies on the surface of the cover band 7 which faces the interior of the guide rail 5.
- This clamping band 8 is provided at its longitudinal ends with two bent spacers 9, which in turn merge into clamping regions 10, namely clamping legs 10, which are bent towards the inside of the guide rail 5.
- the guide rail 5 is provided on its upper side with a central longitudinal groove 11 which serves to hold the clamping band 8.
- two insertion grooves 12 are additionally machined into the guide rail 5, which correspond to the position of the clamping legs 10 and the spacers 9 and start from the longitudinal groove 11.
- the clamping legs 10 have a slightly larger length. They therefore bend resiliently when the cover strip 7 with the clamping strip 8 is pressed into the longitudinal groove 11 and the insertion grooves 12 of the guide rail 5.
- the clamping legs 10 grip the guide rail 5 and thus hold the cover band 7, which rests with its edge regions on the top side 3 of the rail, in its position.
- the spacers 9 on the clamping band 8 are bent at right angles. However, they can also be set slightly laterally, for example forming an angle with the region of the clamping band 8 which is in contact with the cover band 7 and deviates by 5 ° from the right angle. This makes it easier to assemble.
- the embodiment of the closure body shown in FIGS. 3 and 4 differs from this embodiment in that the clamping band 13 fastened to the cover band 7, with its spacers 9 bent at right angles, has clamping legs 14 which are bent at right angles to the outside of the guide rail 5.
- the longitudinal groove 15 of the guide rail 5 is made deeper so that the spacers 9 are not laterally guided and can dodge to the inside of the guide rail 5 if the cover band 7 with the clamping band 13 is pressed into the longitudinal groove 15 until the clamping band 7 on the top of the rail 3 is present.
- the clamping limbs 14 grip the outer boundary walls of the longitudinal groove 15 of the guide rail 5.
- a clamping band 16 with clamping legs 17 in the form of a sheet metal strip is designed for a guide rail 5 according to the invention, on which spacers 18 arranged one after the other at intervals along the longitudinal center line are formed. These are attached to the inner surface of the cover strip with respect to the guide rail 5. With its outer surface, the cover band 7 forms, together with the top side of the rail 3, a flat contact surface for the front seals of the guide carriage to be used.
- the longitudinal groove 19 of the guide rail 5 is designed with steps. Thus, it has an area with a slightly smaller width than the width of the clamping band 16, so that the clamping legs 17 grip the guide rail 5 here. Below that are paragraphs 20 which limit the depth of insertion of the closure body. Over the area with the shoulders 20, the longitudinal groove 19 has an area of even greater width, in which the cover band 7 is accommodated.
- FIG. 7 An embodiment similar to this embodiment is shown in FIG. 7.
- the closure body inserted into the longitudinal groove 19 of the guide rail 5 differs only in the embodiment of its clamping band 21, which is designed with its clamping legs 22 and at least one spacer 23 as a one-piece bent sheet metal part.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Bearings For Parts Moving Linearly (AREA)
- Clamps And Clips (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19953462 | 1999-11-05 | ||
DE19953462.4A DE19953462B4 (de) | 1999-11-05 | 1999-11-05 | Führungsschiene für ein Linearlager |
PCT/EP2000/010497 WO2001033090A1 (de) | 1999-11-05 | 2000-10-25 | Führungsschiene für ein linearlager |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1226364A1 true EP1226364A1 (de) | 2002-07-31 |
Family
ID=7928144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00974453A Withdrawn EP1226364A1 (de) | 1999-11-05 | 2000-10-25 | Führungsschiene für ein linearlager |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1226364A1 (de) |
DE (1) | DE19953462B4 (de) |
WO (1) | WO2001033090A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10153016A1 (de) * | 2001-10-26 | 2003-05-08 | Ina Schaeffler Kg | Anordnung eines Abdeckbandes an einer Linearführung |
DE20311173U1 (de) | 2003-07-19 | 2003-10-16 | THK GmbH, 40878 Ratingen | Vorrichtung zum Verschließen einer Längsnut und/oder von Bohrungen bzw. Einsenkungen auf der Oberfläche einer Führungsschiene |
DE102015220175A1 (de) | 2014-10-29 | 2016-05-04 | Schaeffler Technologies AG & Co. KG | Führungssystem mit Führungswagen |
DE102017126083A1 (de) | 2017-11-08 | 2019-05-09 | Schaeffler Technologies AG & Co. KG | Führungsschiene für ein Linearlager |
DE102017127898A1 (de) | 2017-11-08 | 2019-05-09 | Schaeffler Technologies AG & Co. KG | Führungsschiene für ein Linearlager |
DE102017127527B4 (de) | 2017-11-22 | 2020-07-02 | Schaeffler Technologies AG & Co. KG | Führungsschiene für ein Linearlager |
TWI740394B (zh) | 2020-02-25 | 2021-09-21 | 直得科技股份有限公司 | 滑軌防塵蓋的固定構造 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3313128A1 (de) * | 1983-04-12 | 1984-10-18 | Neff Gewindespindeln | Lageranordnung zur geradlinigen fuehrung eines schlittens laengs einer fuehrungsschiene |
DD237805A1 (de) * | 1985-05-31 | 1986-07-30 | Werkzeugmaschinenfabrik Herman | Anordnung zum befestigen von fuehrungsbahnleisten |
EP0311895A1 (de) * | 1987-10-14 | 1989-04-19 | Chiron-Werke GmbH & Co. KG | Werkzeugmaschine |
DE9408850U1 (de) * | 1993-06-28 | 1994-09-08 | Star Gmbh | Linearbewegungsführung |
DE4334311A1 (de) * | 1993-10-08 | 1995-04-13 | Schaeffler Waelzlager Kg | Schutzabdeckung für eine Laufbahn und eine Vortriebseinrichtung einer Linearführung |
DE9420428U1 (de) * | 1994-12-21 | 1995-02-16 | INA Wälzlager Schaeffler KG, 91074 Herzogenaurach | Führungsschiene für ein Linearlager |
JP3800636B2 (ja) * | 1995-03-07 | 2006-07-26 | 日本トムソン株式会社 | 上面カバー並びにこれを具備したトラックレールユニット及び案内ユニット |
DE19524810B4 (de) * | 1995-07-07 | 2005-06-16 | Ina-Schaeffler Kg | Anordnung zum Verschließen von Bohrungen in einer Führungsschiene |
DE19615075A1 (de) * | 1996-04-17 | 1997-10-23 | Schaeffler Waelzlager Kg | Führungsschiene für ein Linearlager |
DE29800700U1 (de) * | 1998-01-16 | 1998-05-28 | Schneeberger Holding Ag, Roggwil | Linearbewegungsführung |
-
1999
- 1999-11-05 DE DE19953462.4A patent/DE19953462B4/de not_active Expired - Fee Related
-
2000
- 2000-10-25 WO PCT/EP2000/010497 patent/WO2001033090A1/de not_active Application Discontinuation
- 2000-10-25 EP EP00974453A patent/EP1226364A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO0133090A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19953462A1 (de) | 2001-05-10 |
DE19953462B4 (de) | 2017-03-23 |
WO2001033090A1 (de) | 2001-05-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
17P | Request for examination filed |
Effective date: 20020406 |
|
AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: INA-SCHAEFFLER KG |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: SCHEIB, FRANK Inventor name: RUDY, DIETMAR Inventor name: BAALMANN, KLAUS Inventor name: EDER, JEAN-MARIE Inventor name: MOSEBERG, RALF Inventor name: MENGES, MARTIN Inventor name: LAMBERTZ, HANS-REINHARD |
|
RBV | Designated contracting states (corrected) |
Designated state(s): AT BE CH CY DE ES FR IT LI |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
18D | Application deemed to be withdrawn |
Effective date: 20040504 |
|
P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230522 |