WO2018230326A1 - Gabarit de montage de couvre-rail - Google Patents

Gabarit de montage de couvre-rail Download PDF

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Publication number
WO2018230326A1
WO2018230326A1 PCT/JP2018/020516 JP2018020516W WO2018230326A1 WO 2018230326 A1 WO2018230326 A1 WO 2018230326A1 JP 2018020516 W JP2018020516 W JP 2018020516W WO 2018230326 A1 WO2018230326 A1 WO 2018230326A1
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WO
WIPO (PCT)
Prior art keywords
track rail
rail
mounting jig
track
rail cover
Prior art date
Application number
PCT/JP2018/020516
Other languages
English (en)
Japanese (ja)
Inventor
圭介 永池
健太郎 彦本
Original Assignee
Thk株式会社
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 Thk株式会社 filed Critical Thk株式会社
Publication of WO2018230326A1 publication Critical patent/WO2018230326A1/fr

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    • 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

Definitions

  • the present invention relates to a mounting jig used when a rail cover is fixed to a track rail of a motion guide device.
  • a motion guide device is frequently used for a linear guide portion or a curved guide portion of various machine tools and conveyors.
  • the motion guide device includes a track rail in which a rolling surface of a ball is formed along a longitudinal direction, and a moving block that is assembled to the track rail via a ball that rolls on the rolling surface. Further, the moving block has an infinite circulation path for the ball, and the ball circulates in the infinite circulation path, so that the moving block can continuously move along the longitudinal direction of the track rail. It has become.
  • a pair of seal members is generally attached to both ends of the moving block in the moving direction.
  • the seal member is in close contact with the track rail and seals a gap between the moving block and the track rail, and foreign matters such as work shavings and dust adhering to the track rail enter the moving block. To prevent it.
  • the track rail is provided with a bolt mounting hole used when the track rail is laid on a mechanical device or the like. For this reason, even when the seal member is mounted on the moving block, the foreign matter may enter the moving block through the rail mounting hole, and the seal member may There was also a concern that the seal member would be worn and damaged at an early stage by rubbing against the opening edge.
  • a rail cover to be attached to the track rail is prepared in the conventional motion guide device.
  • the rail cover is formed of a metal long plate material, and is configured to be attached to one surface of the track rail along the longitudinal direction of the track rail so as to cover the bolt mounting hole. Further, locking portions bent downward are provided at both ends in the width direction of the rail cover. The pair of locking portions grips the track rail from both side surfaces, so that the rail cover is connected to the track rail. It is supposed to be fixed to.
  • the gripping force of the pair of locking portions is set to be weak so that the rail cover can be easily attached to the track rail.
  • the adhesion between the seal member and the rail cover is high, when the moving block moves along the track rail, the rail cover unintentionally moves in the longitudinal direction of the track rail. There was concern that it would end.
  • the present invention has been made in view of such a problem, and an object of the present invention is to perform the mounting operation easily and reliably when the rail cover is firmly mounted on the track rail of the motion guide device.
  • An object of the present invention is to provide a rail cover mounting jig that can be used.
  • the present invention is a jig used for fitting a rail cover that covers the upper surface of the track rail to the track rail of the motion guide device, and corresponds to the upper surface of the track rail and is provided with an operation handle. And a pair of skirt portions that hang from the main body portion and correspond to both side surfaces of the track rail. Further, the inner surface of the skirt portion is provided with a support portion that is loosely fitted in a groove portion provided along the longitudinal direction on both side surfaces of the track rail, while the lower surface side of the main body portion is provided with a longitudinal length of the track rail. A sliding contact portion is provided at a position away from the support portion with respect to the direction.
  • the operation handle serves as a power point and the support portion serves as a fulcrum.
  • the rail cover is attached to the track rail by sequentially pressing along the longitudinal direction.
  • the rail cover mounting jig of the present invention is used, even if the rail cover is firmly mounted on the track rail by sliding the jig in the longitudinal direction of the track rail, the mounting thereof The work can be easily and reliably performed.
  • FIG. 1 It is a perspective view which shows an example of the exercise
  • FIG. 1 shows an example of a motion guide device in which a rail cover is attached to a track rail.
  • the motion guide device 1 includes a track rail 2 formed in a straight line, a moving block 3 assembled to the track rail 2 through a large number of rolling elements, and a rail cover 4 that covers the upper surface of the track rail 2. It has.
  • the moving block 3 has an infinite circulation path of the large number of rolling elements, and the moving block 3 rolls on the rolling surface 20 formed on the track rail 2 so that the moving block 3 moves to the track. It can freely reciprocate along the rail 2.
  • FIG. 2 is a cross-sectional view of the track rail 2 and the rail cover 4 cut in a direction perpendicular to the longitudinal direction.
  • the track rail 2 is formed in a substantially rectangular cross section, and groove portions 21 are provided on both side surfaces of the track rail 2 along the longitudinal direction. Roller rolling surfaces 20 as the rolling elements are formed above and below each groove.
  • the track rail 2 is provided with a plurality of bolt mounting holes 22 at predetermined intervals in the longitudinal direction. These bolt mounting holes 22 are used when the track rail 2 is laid on a fixing portion of a mechanical device or the like using fixing bolts.
  • the plurality of bolt mounting holes are covered with the rail cover 4 in FIG. 1, and foreign matter such as workpiece shavings and dust is prevented from entering the bolt mounting holes 22.
  • the rail cover 4 is a plate member made of stainless steel, and a pair of locking portions 40 bent downward are provided at both ends in the width direction.
  • the pair of locking portions 40 are bent slightly inward from the vertically lower side. For this reason, when mounting the rail cover 4 on the track rail 2, it is necessary to push the pair of locking portions 40 outward and push the track rail 2 between the locking portions. is there.
  • a pair of cover fixing grooves 23 corresponding to the pair of locking portions 40 are provided on both side surfaces near the upper corner of the track rail 2. Thereby, when the rail cover 4 is completely attached to the track rail 2, the ends of the pair of locking portions 40 enter the pair of cover fixing grooves 23, and the pair of locking portions 40 are The track rail 2 is gripped elastically. For this reason, the rail cover 4 is firmly fixed to the track rail 2.
  • FIG. 3 shows a first embodiment of a dedicated mounting jig 5 for fixing the rail cover 4 to the track rail 2.
  • the mounting jig 5 includes a main body portion 50 provided to overlap the upper surface of the track rail 2, and a pair of skirt portions 51 that hang from the main body portion 50 and correspond to both side surfaces of the track rail 2. ing.
  • the mounting jig 5 has a recess surrounded on three sides by the main body portion 50 and the pair of skirt portions 51 so that the upper half of the track rail 2 is accommodated in the recess. It has become.
  • the main body 50 is provided with an operation handle 52 on the side opposite to the recess. As will be described later, the mounting jig 5 is moved along the track rail 2 while applying a force to the operation handle 52. Thus, the rail cover 4 is attached to the track rail 5.
  • a pair of sliding contact portions 53 that press the rail cover 4 are provided on the front and rear sides of the lower surface side of the main body portion 50 facing the track rail 2.
  • each sliding contact portion 53 is provided as a convex curved surface, and when the rail cover 4 is mounted on the track rail 2, the sliding contact portion 53 is the rail. Slide over the cover 4.
  • a support portion 54 protrudes from the inner surface side of each skirt portion 51 facing the track rail 2.
  • the support 54 is loosely fitted into the groove 21 formed on the side surface of the track rail 2 when the mounting jig 5 is applied to the track rail 2. Further, the support portion 54 is provided at a position separated from the sliding contact portion 53 in the longitudinal direction of the track rail 2. In the embodiment of the mounting jig 5 shown in FIG. The support portion 54 is located at an exactly middle position.
  • FIG. 4 is a diagram in which the mounting state of the mounting jig 5 with respect to the track rail 2 is observed from the longitudinal direction of the track rail 2.
  • the mounting jig 5 is inserted into the track rail 2 from the end in the longitudinal direction by fitting the pair of support portions 54 to the groove portions 21 on both side surfaces of the track rail 2.
  • the cover 4 is located in this gap.
  • the operation handle 52 extends in the longitudinal direction of the track rail 2 as shown in FIG. Is pushed down (arrow A in FIG. 5), one sliding contact portion 53 provided on the lower surface side of the main body 50 comes into contact with the rail cover 4, and the rail cover 4 faces the track rail 2. Will be pressed. Further, when the operation handle 52 is pushed down, a rotational movement about the sliding contact portion 53 is generated in the mounting jig 5, so that the support portion 54 provided in the skirt portion 51 is a groove portion of the track rail 2. The support part 54 contacts the rolling surface 20 located above the groove part 21. In FIG. 5, the mounting jig 5 is shown cut in half by the main body 50.
  • the sliding contact portion 53 acts on the support portion 54 as a fulcrum. It becomes possible to push down the rail cover 4 toward the track rail 2 with a strong force. Since the sliding contact portion 53 presses the rail cover 4 toward the track rail 2 over the entire width direction thereof, the pair of locking portions 40 of the rail cover 4 are brought into contact with the corner portions of the track rail 2.
  • the track rail 2 is forcibly expanded and attached to the track rail 2, and the tip of each locking portion 40 enters the cover fixing groove 23 provided in the track rail 2 to grip the track rail 2. Thereby, the rail cover 4 is firmly fixed to the track rail 2.
  • the operation handle 52 is pushed in the longitudinal direction of the track rail 2 to move the mounting jig 5 on the track rail 2 in the direction of arrow B.
  • the rail cover 4 is sequentially fixed to the track rail 2 in the longitudinal direction. Therefore, the rail cover 4 can be easily mounted on the track rail 2 by moving the mounting jig 5 from one end to the other end of the track rail 2.
  • the support portion 54 provided on the skirt portion 51 is provided just between the pair of sliding contact portions 53 formed on the main body portion 50. Therefore, after the mounting jig 5 is assembled to the track rail 2, even if the operation handle 52 is tilted in any direction from the standing position, one of the sliding contact portions 53 presses the rail cover 4. become. That is, the mounting jig 5 has no direction in assembling with respect to the track rail 2 and is easy to handle.
  • FIG. 6 shows a second embodiment of a dedicated mounting jig for fixing the rail cover 4 to the track rail 2.
  • the mounting jig 5 of the first embodiment described above can attach the rail cover 4 to the track rail 2 even if the mounting jig 5 is pushed in any direction in the longitudinal direction with respect to the track rail 2.
  • the mounting jig 6 of the embodiment is configured to press the rail cover 4 against the track rail 2 only when the mounting jig 6 is pushed in one direction (arrow C direction) with respect to the track rail 2.
  • the mounting jig 6 includes a main body portion 60 provided to be overlapped on the upper surface of the track rail 2, and a pair of skirt portions 61 that hang from the main body portion 60 and correspond to both side surfaces of the track rail 2. ing.
  • the mounting jig 6 has a recess surrounded on three sides by the main body portion 60 and the pair of skirt portions 61 so that the upper half of the track rail 2 is accommodated in the recess. It has become.
  • the main body 60 is provided with an operation handle 62 on the opposite side to the recess. Although not grasped from FIG. 6, a slidable contact portion for pressing the rail cover 4 is provided on the lower surface side of the main body portion 60 facing the track rail 2.
  • a restricting portion 63 that overlaps the upper surface of the track rail 2 protrudes from the center of the main body portion 60, and a restricting surface 64 that slides on the upper surface of the track rail 2 is provided on the lower surface side of the restricting portion 63.
  • an extension portion 65 projects from each skirt portion 61 in the same direction as the restraint portion 63.
  • a support portion 66 is provided on the inner surface side of each extension portion 65, that is, on a portion facing the side surface of the track rail 2. Similar to the support portion 54 provided on the mounting jig 5 of the first embodiment, the support portion 66 is configured so that the track rail is applied when the mounting jig 6 of the second embodiment is applied to the track rail 2. 2 is loosely fitted into the groove portion 21 formed on the side surface of the two.
  • FIG. 7 shows a cross-sectional view of the mounting jig 6 cut by the main body 60 along the longitudinal direction of the track rail 2.
  • a slidable contact portion 67 that presses the rail cover 4 is provided on the lower surface side of the main body portion 60.
  • the sliding contact portion 67 is formed as a convex curved surface.
  • an introduction portion 68 that is continuous with the sliding contact portion 67 is provided in front of the sliding contact portion 67, and the rail cover 4 superimposed on the track rail 2 passes through the introduction portion 68 and the sliding contact portion. Guided to 67 and pressed toward the track rail 2 by the sliding contact portion 67.
  • the distance between the sliding contact portion 67 and the support portion 65 is set to be shorter than the distance between the sliding contact portion 67 and the regulation surface 64. Further, the sliding contact portion 67 and the regulating surface 64 are formed at the same height with respect to the main body portion 60 as shown by a one-dot chain line in FIG.
  • FIG. 8 is a view showing a method of using the mounting jig 6 and shows the movement of the mounting jig 6 with respect to the track rail 2 in an exploded manner.
  • the mounting jig 6 is used by being assembled to the track rail 2 from the end of the track rail 2.
  • the mounting jig 6 is tilted so that the main body 60 of the mounting jig 6 is slightly lifted, and the support portion 66 is inserted into the groove portion 21 of the track rail 2.
  • the principle of the lever is used with the support 66 as a fulcrum.
  • the sliding contact portion 67 serves as an action point to press the rail cover 4 toward the track rail 2 with a strong force.
  • the pair of locking portions 40 of the rail cover 4 are forcibly expanded by contact with the corners of the track rail 2 and attached to the track rail 2, and the tips of the locking portions 40 have It enters the cover fixing groove 23 provided on the track rail 2. Thereby, the end of the rail cover 4 in the longitudinal direction is firmly fixed to the track rail 2.
  • the restricting surface 64 of the restraining portion 63 is fixed to the track rail. Abutting on the rail cover, the posture of the mounting jig 6 with respect to the track rail 2 is stabilized. That is, the state in which the sliding contact portion 67 presses the rail cover 4 toward the track rail 2 is maintained, and the mounting of the mounting jig 6 in the direction of the arrow E in this state causes the rail cover 4 to move.
  • the track rail 2 is fixed over the entire region in the longitudinal direction.
  • the mounting jig 6 of the second embodiment after the regulation surface 64 comes into contact with the rail cover 4, it is not necessary for the user to continuously apply a moment of force to the operation handle 62.
  • the rail cover 4 can be easily fixed to the track rail 2 simply by pressing the mounting jig 6 in the longitudinal direction of the track rail 2.
  • FIG. 9 shows a third embodiment of a dedicated mounting jig for fixing the rail cover 4 to the track rail 2.
  • the mounting jig 7 of the third embodiment has substantially the same configuration as the mounting jig 5 of the first embodiment described above, and its usage is also substantially the same as the mounting jig 5. Therefore, about the same structure as the mounting jig 5 of 1st embodiment, the code
  • the operation handle 52 is fixedly provided to the main body portion 50, whereas in the mounting jig 7 of the third embodiment, the operation handle 70 is connected to the main body. It is provided so as to be rotatable in the direction of arrow F with respect to the portion 50. In other words, the main body 50 can freely rotate around the operation handle 70 while the operation handle 70 is held.
  • the mounting jig of the first embodiment is pushed down in the direction of arrow A and the mounting jig 5 is pushed in the direction of arrow B to mount the rail cover 4 on the track rail 2.
  • a force for twisting the operation handle 52 from the operator's hand is likely to act. If such a force that twists the operation handle 52 is generated, yawing occurs in the main body 50, and the sliding contact portion 53 does not adhere to the rail cover 4 in the entire width direction of the track rail 2. There is a concern that the mounting failure of the rail cover 4 may occur.
  • the operation handle 70 is provided to be rotatable with respect to the main body 50. Even if a force for twisting the operation handle 70 is applied to the operation handle 70, Yawing does not occur in the main body 50, and it is possible to prevent a gap from being generated between the sliding contact portion 53 and the rail cover 4. Therefore, if the mounting jig 7 of the third embodiment is used, the rail cover 4 is surely pressed against the track rail 2 in the entire width direction of the track rail 2, and the rail cover 4 is moved to the track. The rail 2 can be securely attached.
  • a protruding stopper member 71 is provided on the lower surface of the main body 50 of the mounting jig 7, that is, the center of the surface facing the track rail 2.
  • the stopper member 71 has an upper surface of the track rail 2 when the mounting jig 7 reaches the end of the track rail 2 and the sliding contact portion 53 passes through the end surface of the track rail 2.
  • a further brake of the mounting jig 7 is applied in contact therewith.
  • FIG. 10 is a view showing a state in which the mounting jig 7 is pushed along the track rail 2 and the rail cover 4 is mounted on the track rail 2.
  • the support portion 54 provided on the skirt portion 51 is used as a fulcrum, based on this principle.
  • the sliding contact portion 53 acts as an action point, and a force Y that pushes down the rail cover 4 toward the track rail 2 acts.
  • the distance between the support portion 54 as a fulcrum and the sliding contact portion 53 as an action point is L.
  • the mounting jig 7 advances along the track rail 2 and the mounting jig 7 reaches the end of the track rail 2, as shown in FIG. Will pass through the end surface 2a of the track rail 2 and come off the track rail 2.
  • the mounting jig 7 that has been pressing the operation handle 70 with the force X is greatly tilted, and the operator may be injured by hitting his / her hand on the equipment around the track rail 2.
  • the operation handle 70 may damage the devices around the track rail 2.
  • the stopper member 71 is replaced with the upper surface of the rail cover 4 instead of the sliding contact portion 53.
  • the mounting jig 7 is prevented from further tilting. Since the stopper member 71 is provided at the center of the main body 50, as shown in FIG. 11, the distance L1 between the support portion 54 as a fulcrum and the sliding contact portion 53 as an action point is shown in FIG. It is shorter than the distance L shown. Therefore, the force Y1 that the stopper member 71 as an action point presses the rail cover 4 downward is greater than the force Y (see FIG. 10) that the sliding contact portion 53 presses the rail cover 4. .
  • the operator feels a large resistance as if the mounting jig 7 is locked to the track rail 2, and the mounting jig 7 It can be sensed that the end of the rail 2 has been reached.
  • the force Y1 that the stopper member 71 presses the rail cover 4 is larger than the force Y that the sliding contact portion 53 presses the rail cover 4.
  • the surface of the sliding contact portion 53 has a low coefficient of friction and is smooth.
  • rubber or the like having a coefficient of friction larger than that of the sliding contact portion 53 is used as the material of the stopper member 71, when the stopper member 71 comes into contact with the rail cover 4, the mounting jig 7 is attached. It becomes possible to lock the track rail 2 with a greater force.
  • the sliding contact portion serves as the point of action and the rail serves as a point of action by using the operation handle as a power point and the support portion as a fulcrum. Since the cover is strongly pressed against the track rail, the rail cover can be easily attached to the track rail even when the gripping force of the pair of locking portions provided on the rail cover is strong. Is possible.
  • a roller is provided at the support portion serving as the fulcrum and the sliding contact portion serving as the action point, and the roller contacts the track rail and the rail cover.

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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 concerne un gabarit de montage de couvre-rail pour monter fermement un couvre-rail (4) sur le rail de piste (2) d'un dispositif de guidage de mouvement (1). Le gabarit de montage de couvre-rail comprend : un corps (50, 60) correspondant à la surface supérieure du rail de piste et pourvu d'une poignée d'actionnement (52, 62) ; et une paire de collerettes (51, 61) suspendues vers le bas à partir du corps et correspondant aux deux surfaces latérales du rail de piste. Les surfaces latérales internes des collerettes sont pourvues de supports (54, 66) ajustés de manière lâche dans des rainures disposées longitudinalement dans les deux surfaces latérales du rail de piste. La surface inférieure du corps est pourvue d'une section de contact coulissant (53, 64) située à une certaine distance des supports dans la direction longitudinale du rail de piste. Le gabarit est glissé dans la direction longitudinale du rail de piste et le principe de levier est utilisé de telle sorte que la poignée d'actionnement agisse en tant que point d'effort et les supports agissent en tant que point d'appui, avec la section de contact coulissant agissant comme point de charge pour presser séquentiellement le couvre-rail dans la direction longitudinale du rail de piste.
PCT/JP2018/020516 2017-06-16 2018-05-29 Gabarit de montage de couvre-rail WO2018230326A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017-118365 2017-06-16
JP2017118365 2017-06-16

Publications (1)

Publication Number Publication Date
WO2018230326A1 true WO2018230326A1 (fr) 2018-12-20

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Application Number Title Priority Date Filing Date
PCT/JP2018/020516 WO2018230326A1 (fr) 2017-06-16 2018-05-29 Gabarit de montage de couvre-rail

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JP (1) JP2019002561A (fr)
TW (1) TW201908614A (fr)
WO (1) WO2018230326A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619711A (zh) * 2021-08-04 2021-11-09 天津飞桨科技有限公司 一种电动车电池固定结构及电动车

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110762138B (zh) * 2019-10-14 2020-08-11 燕山大学 一种基于楔块增力机构的导轨夹持装置
KR200493416Y1 (ko) * 2019-12-31 2021-03-25 하이윈 테크놀로지스 코포레이션 블록 인서트
JP7420461B2 (ja) 2022-03-30 2024-01-23 Thk株式会社 レールカバーの装着補助治具

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2719985B2 (ja) * 1993-04-08 1998-02-25 ドイツチェ シュタール ゲーエムベーハー 線運動案内装置
JP2001227542A (ja) * 2000-02-18 2001-08-24 Thk Co Ltd 運動案内装置
JP2003028160A (ja) * 2001-07-19 2003-01-29 Nsk Ltd テープ取り付け装置
US20160176030A1 (en) * 2014-12-18 2016-06-23 Schaeffler Technologies Gmbh & Co. Kg Linear guide rail inlay installation tool

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2719985B2 (ja) * 1993-04-08 1998-02-25 ドイツチェ シュタール ゲーエムベーハー 線運動案内装置
JP2001227542A (ja) * 2000-02-18 2001-08-24 Thk Co Ltd 運動案内装置
JP2003028160A (ja) * 2001-07-19 2003-01-29 Nsk Ltd テープ取り付け装置
US20160176030A1 (en) * 2014-12-18 2016-06-23 Schaeffler Technologies Gmbh & Co. Kg Linear guide rail inlay installation tool

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619711A (zh) * 2021-08-04 2021-11-09 天津飞桨科技有限公司 一种电动车电池固定结构及电动车

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JP2019002561A (ja) 2019-01-10

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