WO2017065487A1 - Ensemble à élément contenant du lubrifiant pour vis à billes - Google Patents

Ensemble à élément contenant du lubrifiant pour vis à billes Download PDF

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Publication number
WO2017065487A1
WO2017065487A1 PCT/KR2016/011406 KR2016011406W WO2017065487A1 WO 2017065487 A1 WO2017065487 A1 WO 2017065487A1 KR 2016011406 W KR2016011406 W KR 2016011406W WO 2017065487 A1 WO2017065487 A1 WO 2017065487A1
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WO
WIPO (PCT)
Prior art keywords
containing member
screw
lubrication
docking
screw shaft
Prior art date
Application number
PCT/KR2016/011406
Other languages
English (en)
Korean (ko)
Inventor
차용기
이세흔
이준만
Original Assignee
티에치케이 가부시끼가이샤
삼익티에이치케이 주식회사
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.)
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Publication date
Application filed by 티에치케이 가부시끼가이샤, 삼익티에이치케이 주식회사 filed Critical 티에치케이 가부시끼가이샤
Publication of WO2017065487A1 publication Critical patent/WO2017065487A1/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
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating

Definitions

  • the present invention relates to a ball screw containing member assembly, and more particularly, to an on-site situation in which the arcuate cover and the containing member (lubricating oil containing member) are composed of an integral lubricating package including the number of screw grooves of the ball screw and the amount of lubricating oil supplied. Accordingly, the present invention relates to a ball screw-containing member assembly which enables quick and simple structural change by a user combination.
  • the ball screw has a screw shaft which is formed by a single row or a double row of screw grooves, a transfer nut conveyed through the screw shaft, and a plurality of electric motors installed to circulate inside the transfer nut and rolling through the screw grooves.
  • the screw groove is periodically lubricated depending on the operator to prevent wear and damage caused by rolling motion with the rolling elements. It is directly connected.
  • the lubrication unit is provided with an oil tank, the sensor detects the operation of the moving body Auto lubrication technology has been pre-registered to drive the motor in the controller to transport lubricant stored in the oil tank to the long axis surface.
  • an object of the present invention is to provide a ball screw-containing member assembly which enables quick and simple structural change by a user combination.
  • the transfer nut 20 is transported on the screw shaft 10, the transfer nut 20 is provided so that the rolling element is circulated in a position corresponding to the screw groove 12 of the screw shaft 10; And an arcuate cover 30 installed at the transfer nut 20 and having a docking chamber 32 formed therein, and a lubricating docking unit 42 protruding from the docking chamber 32 to lubricate the screw groove 12.
  • Lubrication package 100 consisting of a containing member 40, and an elastic body 50 for pressing the containing member 40; including, the lubricating package 100 is a plurality of radially around the screw shaft (10) It is disposed in place, characterized in that each containing member 40 is provided to lubricate the screw groove 12 in an independent space by being combined with each other by the fastener 60.
  • the correction member 33 is formed so that the containing member 40 is moved in the longitudinal direction of the screw shaft 10 and orthogonal to the screw shaft 10 in the interior of the docking chamber 32, the containing member Lubrication docking portion 42 of the 40 is formed so that the width becomes narrower toward the end, it characterized in that the position correction force to be moved to the center of the screw groove 12 acts.
  • the screw shaft 10 is characterized in that the screw groove 12 is independently lubricated by the respective lubrication package 100 according to the number of the screw groove 12.
  • the lubricating docking portion 42 is characterized in that it is formed in a line type or a point type.
  • the containing member 40, the main rail portion 44 and the auxiliary rail portion 46 is formed on the outer circumferential surface, respectively, the main rail portion 44 and the auxiliary rail portion 46 inside the docking chamber 32; It is characterized by being dual guided by the main guide portion 34 and the auxiliary guide portion 36 to guide each independently.
  • the present invention has the effect that the arch cover and the containing member integrally constitute a lubrication package to quickly and easily change the structure by the user combination according to the site situation including the number of screw grooves of the screw shaft and the amount of lubricating oil supply. .
  • the containing member is moved in the docking chamber in all directions orthogonal to the longitudinal direction and the longitudinal direction of the screw shaft by the correction space portion, guided to the docking portion narrowing toward the end, the position to be moved to the center of the screw groove
  • the tolerance range due to assembly tolerance and wear is automatically corrected, preventing the increase of operating torque due to excessive contact and the lubrication defect caused by the non-lubrication gap, which can be used continuously without intermediate inspection. It works.
  • the divided arched cover is installed in an assembling manner to shorten the assembly time and improve the assembling work efficiency, and also the number of the containing members to be used depending on the number of screw bones of the ball screw. Since it can be adjusted, it is possible to realize a low cost.
  • FIG. 1 is a block diagram showing a ball screw containing member assembly according to an embodiment of the present invention.
  • FIGS. 2A and 2B are cross-sectional views showing the internal structure of the ball screw containing member assembly according to the present invention.
  • 3a, 3b and 3c is a block diagram showing an embodiment of the arcuate cover provided in the ball screw containing member assembly according to the present invention.
  • Figure 4 is a block diagram showing a structure of a lubrication package provided in the ball screw containing member assembly according to the present invention.
  • Figures 5a and 5b is a block diagram showing a fastening structure of the arcuate cover provided in the ball screw containing member assembly according to the present invention.
  • 6a, 6b and 6c is a block diagram showing a detachable structure of the lubrication package provided in the ball screw containing member assembly according to the present invention.
  • FIG. 7 is a configuration diagram showing an embodiment in which the lubrication package provided in the ball screw containing member assembly according to the present invention is laminated and bonded.
  • FIG. 8a and 8b is a configuration diagram showing an embodiment of the lubricating docking portion provided in the ball screw containing member assembly according to the present invention.
  • Figure 9 is an exploded view showing the internal structure of the lubrication package provided in the ball screw containing member assembly according to the present invention.
  • the present invention relates to a ball screw containing member assembly, wherein the ball screw containing member assembly comprises a lubricating package in which the arcuate cover and the containing member are integrally formed according to the site situation including the number of screw grooves of the ball screw, the installation space, and the lubricant supply amount.
  • the screw shaft 10 In order to quickly and easily change the structure by the user combination, the screw shaft 10, the transfer nut 20, the lubrication package 100, including the main configuration.
  • the transfer nut 20 is transported on the screw shaft 10, and is provided such that a rolling element (not shown) is circulated at a position corresponding to the screw groove 12 of the screw shaft 10.
  • the transfer nut 20 is provided so that a plurality of rolling elements are circulated helically in the inside, and the rolling elements are partially exposed to the inside of the feeding nut 20 so as to be engaged with the screw grooves 12 of the screw shaft 10. In this case, the rotating nut is rotated in engagement with the screw groove 12 while the forward and reverse rotation of the screw shaft 10 is linearly moved forward and backward.
  • the arcuate cover 30 is installed in the transfer nut 20, the docking chamber 32 is formed, and the docking chamber 32 is accommodated in the screw groove 12
  • the lubricating docking portion 42 protrudes so as to lubricate the member 40, and the elastic member 50 for pressing the containing member 40.
  • the arcuate cover 30 is formed in a fan shape having a central angle of 180 ° or less, and the arcuate lubrication gate 31 is provided at one side corresponding to the screw shaft 10 so as to communicate with the interior of the docking chamber 32.
  • the lubrication gate 31 is partially cut to form only the lubrication docking portion 42 of the containing member 40 to be exposed to the outside, so that both ends of the containing member 40 installed inside the docking chamber 32 are lubricated gate 31. Hanging on both sides of the to prevent the escape from the outside.
  • the docking chamber 32 to open the one side of the arcuate cover 30 as shown in Figure 9 to facilitate the insertion and replacement of the containing member 40 to secure a passage to the docking chamber 32 and ,
  • the passage is also configured to be opened and closed by a separate closing plate.
  • the arcuate cover 30 is divided into a pair to have a 180 ° center angle (semi-spherical shape), and shows a state of constituting a lubrication package 100 having a circular ring shape by mutual combination, but is not limited thereto.
  • the arcuate cover 30 may be divided into a 60 ° center angle, a 90 ° center angle, and a 120 ° center angle.
  • the arcuate cover 30 may be installed without disassembling the ball screw assembly and may be easily replaced.
  • the containing member 40 accommodated in the docking chamber 32 of the arcuate cover 30 is a plastic resin composition in which the lubricating oil is continuously eluted by being formed of a mixture containing the plastic resin and the lubricating oil, and having hard physical properties. Therefore, in consideration of the shape of the screw groove 12 in advance, the tolerance is processed so that the lubrication docking portion 42 is provided in a position corresponding to the screw groove 12.
  • the containing member 40 is provided to be pressed to the screw groove 12 side by the elastic body, one end of the elastic body 50 is supported by the containing member 40, the other end of the docking chamber 32 It is supported by the inner wall has a structure to press the containing member 40 toward the lubrication gate 31 by the expansion elastic force.
  • the lubrication package 100 is disposed radially around the screw shaft 10 in a plurality of places, and are combined with each other by the fastener 60 so that each containing member 40 is a screw groove 12 in an independent space ) Is provided to lubricate.
  • the fastener 60 is composed of detachable means including pins and holes, hooks and hook grooves, and bolting. As shown in FIGS. 5A and 5B, the fastener 60 is connected to one end of the arcuate cover 30.
  • the embossed part of the fastening part 60 is formed at the embossed part and the other end of the 60), so that the arcuate cover 30 can be formed as a single standard, thereby improving productivity, assemblability, and inventory management.
  • the arcuate cover 30 assembled to each other in a ring shape by the fastener 60 is provided with another fastener 60 'at one end corresponding to the transfer nut 20, as shown in FIGS. 6A to 6C.
  • the fastener 60 ' is comprised of removable means including pins and holes, hooks and hook grooves, and bolting.
  • a fastener 60 ′ is further formed on the top and bottom surfaces of the arcuate cover 30 so that the lubrication package 100 may be laminated in the longitudinal direction of the screw shaft 10. .
  • the arcuate cover 30 and the containing member 40 is configured integrally to the lubrication package 100, there is an advantage that can quickly and simply change the structure (installation position and quantity) in the field by the user combination.
  • each screw groove 12 is independently lubricated by the respective lubrication package 100 according to the number of the screw groove (12).
  • each screw groove is formed by each containing member 40 in a combination of a lubrication package that is formed at a right angle when applied to the screw shaft 10 having two rows of screw grooves. Since lubrication is performed in an independent space, lubrication failure is prevented and ambient contamination due to lubricating oil leakage is prevented.
  • the structure can be flexibly changed in such a manner as to partially replace the lubrication package 100 with a large capacity or additionally stack the lubrication package 100 according to the site situation.
  • the one side containing member 40 may have the screw groove through the lubrication docking part 42. 12) and the other side containing member 40 may be configured to omit the lubricating docking portion 42 so as to lubricate the surface of the screw shaft 10.
  • the inside of the docking chamber 32, the containing member 40 is formed so that the correction space 33 is moved in all directions perpendicular to the longitudinal direction of the screw shaft 10 and the screw shaft 10, the containing member ( Lubricating docking portion 42 of 40 is formed to be narrower toward the end, the position correction force to be moved to the center of the screw groove 12 is provided to act.
  • the correction space part 33 is a space formed between the inner wall surface of the docking chamber 32 and the outer circumferential surface of the containing member 40, and the containing member 40 moves in all directions from the inside of the docking chamber 32. Is allowed.
  • the lubricating docking portion 42 of the containing member 40 moves to engage the correct position while entering the screw groove 12, so that the tolerance range due to assembly tolerance and wear is automatically changed. It is corrected to prevent the increase of operating torque due to over-contact and to prevent lubrication defect due to non-lubrication gap, so that it is possible to continuously use the containing member without intermediate inspection, and the containing member 40 is corrected at an inclination angle, and thus the screw groove ( Versatility is provided that is flexibly applied to a variety of products of different pitches 12), in particular, even if the lubrication docking portion 42 wears during use, there is an advantage that the non-lubrication gap is automatically compensated by the position movement of the containing member 40 .
  • the lubrication docking portion 42 is formed of a line type or a point type.
  • FIG. 8A illustrates a state in which the lubricating docking portion 42 is formed in a line type having the same partial spiral as the screw groove 12, and
  • FIG. 8B is formed in a point type in which the lubricating docking portion 42 protrudes in the shape of a hemispherical protrusion.
  • the versatility can be flexibly applied to the screw groove 12 having various pitches.
  • the containing member 40, the main rail portion 44 and the auxiliary rail portion 46 is formed on the outer circumferential surface, respectively, the main rail portion 44 and the auxiliary rail portion 46 inside the docking chamber 32; Double guided by the main guide portion 34 and the auxiliary guide portion 36 to guide each independently.
  • a pair of main guide parts 34 are formed in parallel on the inner wall surface of the docking chamber 32 adjacent to the lubrication gate 31, and the auxiliary guide part 36 has an elastic body 50.
  • a pair is formed parallel to the upper side of the docking chamber 32 adjacent to the bar, the spacing between the auxiliary guide portion 36 is formed in a smaller size than the spacing of the main guide portion (34).
  • the containing member 40 is provided so that the main rail portion 44 and the auxiliary rail portion 46 is formed at a position corresponding to the main guide portion 34 and the auxiliary guide portion 36 to slide.
  • the main rail portion 44 and the auxiliary rail portion 46 of the containing member 40 are interviewed with the main guide portion 34 and the auxiliary guide portion 36 of the docking chamber, and are transported to the shanghai while being transported.
  • the upper and lower portions of the containing member 40 are independently supported to prevent unnecessary flow, that is, one side of the docking lubrication portion corresponding to the screw groove.
  • the auxiliary rail portion 46 of the containing member 40 as shown in Figure 9 to secure a space for installing the elastic body 50 in the narrow docking chamber 32 of the containing member 40 It is also possible to form a mounting space portion 46a of the elastic body 50 therein by projecting the auxiliary rail portion 46 on the top. At this time, the elastic body 50 is accommodated and supported in the installation space portion 46a to prevent deformation as well as to move the position together with the containing member 40 during automatic position correction, so that the pressing force is always acting in a direction orthogonal to the screw shaft 10. Uneven wear phenomenon of the containing member 40 is prevented.
  • FIG. 9 shows a state in which the elastic body 50 is spaced apart in two places, and at this time, the elastic force of the elastic body 50 acts at two points spaced apart so that pressure is applied at both ends of the containing member 40. Flow and shaking of the heavy containing member 40 is prevented, there is an advantage that a uniform position correction force is applied to all the lubrication docking portion 42.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

La présente invention concerne un ensemble à élément contenant du lubrifiant pour une vis à billes. L'ensemble à élément contenant du lubrifiant comprend : un écrou (20) d'avance acheminé le long d'un arbre (10) de vis et conçu de telle sorte qu'un élément de roulement est mis en rotation au niveau d'une position correspondant à une rainure (12) de vis de l'arbre (10) de vis; et un bloc de lubrification (100) constitué d'un couvercle incurvé (30), placé sur l'écrou (20) d'avance et ayant une chambre d'accueil (32) formée en son sein, un élément (40) contenant du lubrifiant, logé dans la chambre d'accueil (32) et ayant une partie (42) d'accueil de lubrification faisant saillie à partir de cette dernière de façon à lubrifier la rainure (12) de vis, et un corps élastique (50) pressant l'élément contenant le lubrifiant (40). Le bloc de lubrification (100) est radialement agencé au niveau d'une pluralité de positions autour de l'arbre (10) de vis et est combiné à chacune d'elles par l'intermédiaire d'une partie (60) fixation de sorte que chaque élément (40) contenant du lubrifiant lubrifie la rainure (12) de vis dans des espaces indépendants.
PCT/KR2016/011406 2015-10-15 2016-10-12 Ensemble à élément contenant du lubrifiant pour vis à billes WO2017065487A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0144103 2015-10-15
KR1020150144103A KR101689090B1 (ko) 2015-10-15 2015-10-15 볼나사용 함유부재 조립체

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WO2017065487A1 true WO2017065487A1 (fr) 2017-04-20

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WO (1) WO2017065487A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI664365B (zh) * 2017-12-29 2019-07-01 財團法人工業技術研究院 一種具傾斜偵測器的滾珠螺桿

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6400176B2 (ja) * 2017-01-12 2018-10-03 Thk株式会社 ボールねじ装置のシール部材
CN109707814A (zh) * 2019-01-25 2019-05-03 深圳市锐健电子有限公司 一种新型的滚珠丝杆装置
TWI711779B (zh) * 2019-08-13 2020-12-01 上銀科技股份有限公司 滾珠螺桿
TWI725784B (zh) * 2020-03-19 2021-04-21 上銀科技股份有限公司 自潤式滾珠螺桿
CN113815581B (zh) * 2021-08-31 2024-02-13 深圳博用科技有限公司 一种主动刹车的执行机构

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1030704A (ja) * 1996-07-18 1998-02-03 Nippon Seiko Kk 送りねじ装置
KR19990062691A (ko) * 1997-12-02 1999-07-26 이토오 도요아키 볼나사
JP2000161462A (ja) * 1998-11-30 2000-06-16 Tsubaki Nakashima Co Ltd ボールねじのシール装置
JP2009047187A (ja) * 2007-08-13 2009-03-05 Nsk Ltd ナット及びそれを備えた転がりねじ装置
KR20120107548A (ko) * 2011-03-22 2012-10-04 대동모벨시스템 주식회사 자동차용 시트의 슬라이딩 이동 장치 및 이에 사용되는 기어 박스

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1030704A (ja) * 1996-07-18 1998-02-03 Nippon Seiko Kk 送りねじ装置
KR19990062691A (ko) * 1997-12-02 1999-07-26 이토오 도요아키 볼나사
JP2000161462A (ja) * 1998-11-30 2000-06-16 Tsubaki Nakashima Co Ltd ボールねじのシール装置
JP2009047187A (ja) * 2007-08-13 2009-03-05 Nsk Ltd ナット及びそれを備えた転がりねじ装置
KR20120107548A (ko) * 2011-03-22 2012-10-04 대동모벨시스템 주식회사 자동차용 시트의 슬라이딩 이동 장치 및 이에 사용되는 기어 박스

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI664365B (zh) * 2017-12-29 2019-07-01 財團法人工業技術研究院 一種具傾斜偵測器的滾珠螺桿
US10794682B2 (en) 2017-12-29 2020-10-06 Industrial Technology Research Institute Ball screw with tilt detector

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Publication number Publication date
TW201719058A (zh) 2017-06-01
KR101689090B1 (ko) 2016-12-22

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