WO2019010899A1 - Module linéaire - Google Patents

Module linéaire Download PDF

Info

Publication number
WO2019010899A1
WO2019010899A1 PCT/CN2017/113220 CN2017113220W WO2019010899A1 WO 2019010899 A1 WO2019010899 A1 WO 2019010899A1 CN 2017113220 W CN2017113220 W CN 2017113220W WO 2019010899 A1 WO2019010899 A1 WO 2019010899A1
Authority
WO
WIPO (PCT)
Prior art keywords
arc segment
linear module
base
circular arc
groove
Prior art date
Application number
PCT/CN2017/113220
Other languages
English (en)
Chinese (zh)
Inventor
蒋国雄
Original Assignee
蒋国雄
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 蒋国雄 filed Critical 蒋国雄
Publication of WO2019010899A1 publication Critical patent/WO2019010899A1/fr

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
    • F16C29/04—Ball or roller bearings
    • F16C29/043—Ball or roller bearings with two massive rectangular rails having facing grooves
    • 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/20—Application independent of particular apparatuses related to type of movement
    • F16C2300/28—Reciprocating movement

Definitions

  • the invention relates to a linear module, belonging to the technical field of linear positioning components.
  • Linear modules are usually called several types, such as linear modules, Cartesian robots, linear slides, and so on.
  • the linear module is an automatic upgrade unit of the linear guide and the linear drive mechanism of the ball screw.
  • the linear module can realize the straight line and curve movement of the load through the combination of various units, which makes the automation of the light load more flexible and the positioning more precise.
  • the linear module of the semi-arc structure comprises a base and a moving seat slidingly disposed on the base.
  • the base is provided with a first recess 1 ′
  • the lower end of the movable seat is provided with a sliding a block
  • the slider is provided with a second groove 2' cooperating with the first groove 1'
  • a steel ball 3' is disposed between the first groove 1' and the second groove 2'
  • the steel ball 3' is respectively
  • a single point contact is formed between the first groove 1' and the second groove 2', thereby forming two contact points, an upper contact point A and a lower contact point B, and the linear module thus structured is not rigid overall. Operational accuracy is not guaranteed.
  • the object of the present invention is to provide a linear module to improve the overall rigidity of the module and the overall operational precision.
  • a linear module includes a base and a movable seat slidably disposed on the base, wherein the base is provided with a rail groove, a lower end of the movable seat is provided with a slider, and the slider is provided with the guide rail a groove matching groove, a ball is disposed between the rail groove and the slide groove, and the guide groove is in contact with the ball, and the slide is concave There is a two-point contact between the groove and the ball.
  • the guide rail groove includes a first circular arc segment and a second circular arc segment connected to the first circular arc segment, the slideway groove including the third circular arc segment and the third circular arc a fourth arc segment connected to the segment, wherein the ball and the first arc segment and the second arc segment respectively form a first contact point and a second contact point, wherein the ball is respectively associated with the first A third contact point and a fourth contact point are formed between the three arc segments and the fourth arc segment.
  • the line between the first contact point and the fourth contact point is perpendicular to the line between the second contact point and the third contact point.
  • two parallel linear guide rails are protruded from the base, and the guide rail recesses are respectively disposed on inner sides of the two linear guide rails, and the slide rails are respectively disposed on two sides of the slider Groove.
  • the front end and the rear end of the base are respectively provided with a front end cover and a fixing base, a rear side of the fixing base is provided with a motor mounting seat, and a rear side of the motor mounting seat is provided with a driving motor.
  • the motor mount is provided with a flexible coupling, and the slider is provided with a lead screw that can drive the movable seat to walk straight, and one end of the lead screw is disposed on the front end cover through a bearing, and the other end of the lead screw
  • the fixing seat is bored through a bearing, and the two ends of the elastic coupling are respectively connected to the lead screw and the driving motor.
  • the moving seat is provided with a nut for arranging the lead screw, and the lead screw is screwed with the nut.
  • the moving seat, the slider, and the lead screw and the wire nut are integrally formed.
  • the upper cover and the side baffle are further included, the upper part of the movable seat is provided with a cover passage, the upper cover passes through the cover passage, and the front and rear ends of the upper cover
  • the front end cover and the fixing base are respectively connected, and the lower end of the side baffle abuts the base, and the front and rear ends of the side baffle are respectively connected to the front end cover and the fixing base.
  • the motor mount includes a case body and a coupling cover that mates with the case body.
  • the present invention has the following beneficial effects: the linear module of the present invention has two points of contact between the guide groove and the ball, and two points of contact between the slide groove and the ball,
  • the semi-arc structure module in the prior art improves the overall rigidity, and can increase the pre-tightening force by increasing the diameter of the ball to reduce the backlash of the module and improve the operation integration of the module. Precision.
  • FIG. 1 is a schematic structural view of a semi-circular linear module in the prior art
  • FIG. 2 is a schematic structural view of a first embodiment of a linear module of the present invention
  • FIG. 3 is a schematic structural view of a second embodiment of the linear module of the present invention.
  • FIG. 4 is a schematic structural view of a moving seat with a lead screw according to an embodiment of the present invention.
  • Figure 5 is a schematic structural view of a movable seat without a lead screw in a specific embodiment of the present invention.
  • Figure 6 is a schematic view showing the structure of a Gothic structure in a specific embodiment of the present invention.
  • a linear module includes a base 1 and a movable base 2 slidably disposed on the base 1.
  • the base 1 is provided with a guide groove 3
  • the lower end of the movable base 2 is provided with a slider 4
  • the slider 4 is provided with a slide groove 5 matched with the guide groove 3
  • a ball 6 is disposed between the slots 5, and the rail groove 3 and the ball 6 are in contact with each other at two points, and the slide groove 5 and the ball 6 are in contact with each other.
  • the linear module of the present invention has two-point contact between the guide groove 3 and the ball 6, and the two-point contact between the slide groove 5 and the ball 6, compared with the prior art.
  • the semi-arc structure module improves the overall rigidity, and at the same time increases the pre-tightening force by increasing the diameter of the ball 6, thereby reducing the backlash of the module and improving the overall running precision of the module.
  • the guide rail groove 3 includes a first circular arc segment 7 and a second circular arc segment 8 connected to the first circular arc segment 7, the slide groove 5 including the third
  • the arc segment 9 and the fourth arc segment 10 connected to the third arc segment 9 form a first contact point 11 and a second between the first arc segment 7 and the second arc segment 8 respectively.
  • the ball 6 forms a third contact point 13 and a fourth contact point 14 with the third circular arc segment 9 and the fourth circular arc segment 10, respectively. More specifically, the line between the first contact point 11 and the fourth contact point 14 is perpendicular to the line between the second contact point 12 and the third contact point 13.
  • the guide rail groove 3 and the slide groove 5 are both formed by two arcs, and the ball 6 is in contact with the guide groove 3 and the slide groove 5 in a direction of 4:45°.
  • the Gothic structure compared with the two-point 45° contact of the semi-arc structure module in the prior art, not only improves the rigidity, but also reduces the diameter of the ball 6 and reduces the reverse movement of the module back and forth. gap.
  • two parallel linear guide rails are protruded from the base 1, and the two linear guide rails and the base 1 enclose a U-shaped structure that cooperates with the slider 4.
  • the inner sides of the two linear guide rails are respectively provided with guide rails.
  • the groove 3 and the slide groove 5 are respectively disposed on both sides of the slider 4.
  • the front end and the rear end of the base 1 are respectively provided with a front end cover 15 and a fixing seat 16, and the rear side of the fixing base 16 is provided with a motor mounting seat 17, and the motor is mounted.
  • the rear side of the seat 17 is provided with a drive motor 18, and the motor mount 17 is provided with a flexible coupling.
  • the slider 4 is provided with a lead screw 19 for driving the movable base 2 to travel linearly.
  • One end of the lead screw 19 is disposed through the bearing.
  • the other end of the lead screw 19 is passed through a bearing through the fixing seat 16, and the two ends of the elastic coupling are respectively connected to the lead screw 19 and the driving motor 18.
  • the movable seat 2 is provided with a nut for arranging the lead screw 19, and the lead screw 19 is screwed to the nut.
  • the movable seat 2, the slider 4, and the lead screw 19 are integrally formed with the wire.
  • the module on the market generally separates the slider 4 from the screw nut and then is screwed together.
  • the slider 4 and the lead screw 19 and the nut are directly integrated on the movable seat 2, not only the lead screw is ensured.
  • the combination precision of 19 and the silk mother can reduce the combined space volume of the module, reduce the weight of the module, and reduce the material cost. Therefore, the integrated mechanism can make the combined height and overall size of the linear module smaller and more compact, and is more suitable for various industries.
  • the upper cover 20 and the side baffle 21 are further included.
  • the upper part of the movable base 2 is provided with a cover passage
  • the upper cover 20 is provided with a cover passage.
  • the front and rear ends of the upper cover 20 are respectively connected to the front end cover 15 and the fixed seat 16, and the lower end of the side baffle 21 abuts the base 1.
  • the front and rear ends of the side baffle 21 are respectively connected to the front end cover 15 and the fixed seat 16.
  • the material of the ball 6 is steel
  • the upper cover 20 is a stainless steel sheet
  • the surface of the movable seat 2 is covered with a plastic outer casing.
  • the motor mount 17 includes a housing body and a coupling cover 22 that mates with the housing body.

Landscapes

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

Abstract

L'invention concerne un module linéaire comprenant une base (1) et un support mobile (2) disposé de manière coulissante sur la base (1). La base (1) est pourvue d'une rainure de rail de guidage (3). Un bloc coulissant (4) est disposé à l'extrémité inférieure du support mobile (2) et est pourvu d'une rainure de goulotte de coulissement (5) adaptée à la rainure de rail de guidage (3). Des billes de roulement (6) sont disposées entre la rainure de rail de guidage (3) et la rainure de goulotte de coulissement (5). La rainure de rail de guidage (3) et les billes de roulement sont en contact au niveau de deux points, et la rainure de goulotte de coulissement (5) et les billes de roulement (6) sont en contact au niveau de deux points. Comme pour le module linéaire, du fait que les rainures de goulotte de coulissement (5) et les billes de roulement (6) sont en contact au niveau de deux points et que les rainures de rail de guidage (3) et les billes de roulement (6) sont en contact au niveau de deux points, par comparaison avec des modules structurés semi-circulaires dans l'état de la technique, le module linéaire présente les avantages suivants : la rigidité globale est améliorée, en outre, la force de pré-serrage est améliorée par augmentation du diamètre des billes de roulement de telle sorte que le jeu du module peut être réduit et la précision globale de fonctionnement du module est améliorée.
PCT/CN2017/113220 2017-07-12 2017-11-28 Module linéaire WO2019010899A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710563617.8 2017-07-12
CN201710563617.8A CN107191480A (zh) 2017-07-12 2017-07-12 一种直线模组

Publications (1)

Publication Number Publication Date
WO2019010899A1 true WO2019010899A1 (fr) 2019-01-17

Family

ID=59883614

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2017/113220 WO2019010899A1 (fr) 2017-07-12 2017-11-28 Module linéaire

Country Status (2)

Country Link
CN (1) CN107191480A (fr)
WO (1) WO2019010899A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107191480A (zh) * 2017-07-12 2017-09-22 江门市天功自动化科技有限公司 一种直线模组
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
WO2022088059A1 (fr) * 2020-10-30 2022-05-05 缪童宇 Mécanisme de fixation de module de grue

Citations (7)

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EP0448484A1 (fr) * 1990-03-22 1991-09-25 Kinetic Technologies Dispositif d'étanchéité pour un module linéaire de guidage pour la translation et la manutention de toutes pièces et accessoires
CN201475168U (zh) * 2009-08-19 2010-05-19 南京数控机床有限公司 一种具有防护结构的直线导轨
CN202125521U (zh) * 2011-06-27 2012-01-25 全球传动科技股份有限公司 直线运动模块
CN204114046U (zh) * 2014-07-24 2015-01-21 山东华准机械有限公司 带双支耳的螺母座工作台一体化直线模组
CN205614664U (zh) * 2016-03-16 2016-10-05 东莞市吉斯科自动化机械有限公司 一种滑台直线铸铁模组
CN107191480A (zh) * 2017-07-12 2017-09-22 江门市天功自动化科技有限公司 一种直线模组
CN206889481U (zh) * 2017-07-12 2018-01-16 江门市天功自动化科技有限公司 一种直线模组

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KR100362528B1 (ko) * 1997-02-05 2002-11-23 에스엠씨 가부시키 가이샤 액츄에이터 및 그 제어장치
CN102072248A (zh) * 2010-12-29 2011-05-25 江苏瑞安特机械集团有限公司 一种承载能力大的四方向等载荷滚动直线导轨副
US9541178B2 (en) * 2011-11-22 2017-01-10 Iai Corporation Actuator
CN104948695A (zh) * 2014-03-25 2015-09-30 苏州市智立机电配件中心 一种线性模组
CN206092695U (zh) * 2016-08-28 2017-04-12 江门市天功自动化科技有限公司 一种静音式直线模组

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0448484A1 (fr) * 1990-03-22 1991-09-25 Kinetic Technologies Dispositif d'étanchéité pour un module linéaire de guidage pour la translation et la manutention de toutes pièces et accessoires
CN201475168U (zh) * 2009-08-19 2010-05-19 南京数控机床有限公司 一种具有防护结构的直线导轨
CN202125521U (zh) * 2011-06-27 2012-01-25 全球传动科技股份有限公司 直线运动模块
CN204114046U (zh) * 2014-07-24 2015-01-21 山东华准机械有限公司 带双支耳的螺母座工作台一体化直线模组
CN205614664U (zh) * 2016-03-16 2016-10-05 东莞市吉斯科自动化机械有限公司 一种滑台直线铸铁模组
CN107191480A (zh) * 2017-07-12 2017-09-22 江门市天功自动化科技有限公司 一种直线模组
CN206889481U (zh) * 2017-07-12 2018-01-16 江门市天功自动化科技有限公司 一种直线模组

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