WO2006108342A1 - Came rainuree - Google Patents

Came rainuree Download PDF

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Publication number
WO2006108342A1
WO2006108342A1 PCT/CN2006/000528 CN2006000528W WO2006108342A1 WO 2006108342 A1 WO2006108342 A1 WO 2006108342A1 CN 2006000528 W CN2006000528 W CN 2006000528W WO 2006108342 A1 WO2006108342 A1 WO 2006108342A1
Authority
WO
WIPO (PCT)
Prior art keywords
cam
bushing
inner groove
upper cam
lower cam
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/CN2006/000528
Other languages
English (en)
Chinese (zh)
Inventor
Liang Fang
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2006108342A1 publication Critical patent/WO2006108342A1/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
    • 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
    • F16H25/186—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions with reciprocation along the axis of oscillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D11/00—Portable percussive tools with electromotor or other motor drive
    • B25D11/06—Means for driving the impulse member
    • B25D11/10—Means for driving the impulse member comprising a cam mechanism
    • B25D11/102—Means for driving the impulse member comprising a cam mechanism the rotating axis of the cam member being coaxial with the axis of the tool
    • 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
    • F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
    • F16H25/12—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation along the axis of rotation, e.g. gearings with helical grooves and automatic reversal

Definitions

  • the utility model relates to a novel inner groove cam, in particular to a novel inner groove cam for generating a linear motion output of a power tool. It belongs to the transformation technology of the inner groove. .
  • the mechanism that currently produces linear motion output is mainly the crank slider mechanism. Due to the large number of hinges, the rotating shaft is mostly a cantilever shaft, and its output characteristics are poorly commutated, so the processing cost is high and wear is easy, and the noise is large, and the balance slider is often required, resulting in a complicated structure.
  • An object of the present invention is to provide an inner groove cam that effectively changes the motion law, improves the 'work reliability, eliminates noise, and simplifies the machining process, thereby reducing the manufacturing cost, in consideration of the above problems.
  • the schematic diagram of the utility model is shown in the drawing, and includes an upper cam (3 ⁇ ) and a lower cam (3 ⁇ bushing (8), wherein one ends of the upper cam (3 ⁇ ) and the lower cam (3 ⁇ ) are perpendicular to the shaft The plane of the heart line, the other end is made into a working surface with lift and return stroke, and the upper cam ( 3 ⁇ ) and the lower cam UB are respectively inserted into the bushing (8) from the two ends of the bushing (8).
  • the highest point of the cavity and the upper cam (3 ⁇ ) working surface is opposite to the lowest point of the lower cam (3 ⁇ ) working surface, and the working surfaces of the upper and lower cams and the inner surface of the bushing (8) are surrounded by the lift And returning - closing the inner ring groove. .
  • the upper cam (3 ⁇ ) and lower cam ( ⁇ 3 ⁇ ) working surfaces are envelope surfaces that change the acceleration of the follower by a sine gauge. : ' ⁇
  • the sum of the rise and return wrap angles of the upper cam (3 ⁇ ) and the lower cam (3 ⁇ ) is '360°, wherein the lift wrap angle is any element line on the lift surface in the inner groove cam structure.
  • the angle of the circle corresponding to the obtained arc segment, the wrap angle of the return path is the center angle of the arc segment of the projection in the axial direction of the inner groove of the inner groove of the inner groove cam structure, and the return wrap angles may be equal or unequal.
  • the upper cam (3A) and the lower cam (3B) are radially distributed with more than one fixed position bump (3C) at one end of the plane, and the end faces of the bushing (8) correspond to the cam positioning protrusions (3C). There is a positioning notch (8A) in the position. ''''
  • the sleeve (8) is provided with a positioning protrusion (8A) on the end surface of the bushing (8), and a positioning bump which is distributed in the radial direction of the upper cam (3A) and the lower cam (3B) at one end of the plane ( 3C)
  • the dimensions are the same.
  • the utility model comprises an upper cam and a lower cam, wherein the upper cam and the lower cam respectively fit into the inner cavity of the bushing from the two ends of the bushing respectively, so that the working surface of the upper and lower cams and the inner cavity of the bushing
  • the structure of the closed annular inner wheel groove having the lift and the return stroke can effectively change the activation law, improve the work reliability, eliminate the noise, and simplify the machining process, thereby reducing the manufacturing cost.
  • the utility model has the advantages of convenient processing and simple assembly, and is an in-vehicle cam which is ingeniously designed and convenient and practical.
  • FIG. 1 is a schematic view of the structure of the present invention.
  • FIG. 2 is a schematic structural view of a middle upper cam (3A) and a lower cam (3B) according to the present invention
  • Figure 3 is a top view of Figure 2;
  • Figure 4 is a schematic view of the structure of the bushing (8)
  • Figure 5 is a plan view of Figure 4.
  • Figure 6 is a schematic view showing the structure of the utility model applied to a power tool. .
  • the structure of the utility model is shown in Figs. 1, 2, and 3, and includes an upper cam 3A, a lower cam 3B, and a bushing 8, wherein one ends of the upper cam 3.A and the lower cam 3B are perpendicular to the axial center.
  • the plane of the line, 'the other end is made into a working surface having a lift and a return stroke, and the upper cam 3 and the lower cam 3B are respectively fitted into the inner cavity of the bushing 8 from both ends of the bushing 8, respectively, and the upper cam 3A works.
  • the highest point of the curved surface is opposite to the lowest point of the working surface of the lower cam 3B, and the working surface of the upper and lower cams and the inner cavity of the bushing 8 are surrounded by lift and return
  • the closed annular inner wheel groove, 'the outer diameter of the upper and lower cams are equal to the inner diameter of the bushing.
  • the working surfaces of the upper cam 3A and the lower cam 3B are envelope surfaces that change the acceleration of the follower in a sinusoidal manner. '
  • the sum of the rise and return wrap angles of the upper cam 3A and the lower cam 3B described above is .360°.
  • the lift wrap angle is the central angle corresponding to the arc segment projected on the lift axis in the axial direction of the inner groove cam structure, and the return wrap angle is any linear line on the return path surface.
  • the central angle corresponding to the obtained arc segment is projected in the direction, and the rise and return wrap angles may be equal or unequal.
  • the elevation and return wrap angles of the working surface are both 180°. ⁇ ' .
  • the upper cam 3A and the lower cam 3B are radially distributed with one or more positioning projections 3C at one end of the plane, and the end faces of the bushings 8 are provided with positioning notches 8A corresponding to the positions of the cam projections.
  • the axial relative positions of the upper and lower cams are ensured by the corresponding positioning positions of the cam positioning projections and the bushings.
  • the size of the positioning notch 8A provided at the end faces of the bushing 8 coincides with the size of the positioning cam 3C of the upper cam 3A and the lower cam 3B at the one end of the plane.
  • the utility model of the utility model is shown in Fig. 0, wherein the utility model and the solid, fixed shaft 2, the slider 4, the guide rod 5, the bearing bush 6, the frame 7 and the like constitute a reciprocating linear motion output device, wherein The inner cavity of the inner groove cam 3 is fitted on the outer cylindrical surface of the fixed shaft 2, and is rotatable around the fixed shaft 2.
  • the bushing 8 is fitted on the outer wall of the inner groove cam 3, and the outer cylindrical side of the fixed shaft 1 is axially opened.
  • the inner groove cam structure has a stroke of 25 mm
  • the inner hole diameter is 37 mm
  • the working surface has a lift and return wrap angle of 180°
  • the outer diameter of the bushing is 5 : 0 ram.
  • the motor drives the inner groove cam 3 through the gear system to rotate, and the fixed shaft 2 does not move.
  • the working surface of the inner groove cam 3 pushes the guide rod 5 to reciprocate linear motion through the cylindrical surface on the slider 4, and the guiding action of the through hole of the fixed shaft 2 - the end bearing bush 6 and the through groove of the fixed shaft 2 axial section pass through the sliding
  • the block limits the rotation of the guide rod 5, so the guide rod will be output in a reciprocating linear motion. As shown in Figure 6.

Landscapes

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

Abstract

L’invention concerne une came rainurée comportant une came supérieure (3A), une came inférieure (3B) et une douille (8), une extrémité de la came supérieure (3A) et de la came inférieure (3B) occupant un plan perpendiculaire à leur axe et l’autre extrémité prenant la forme d’une surface incurvée capable d’une course de soulèvement et d’une course de retour. La came supérieure (3A) et la came inférieure (3B) sont en outre insérées dans une partie intérieure de la douille (8) par les deux extrémités opposées de celle-ci, de façon à ce que le point le plus haut de la surface incurvée de la came supérieure (3A) corresponde au point le plus bas de la surface incurvée de la came inférieure (3B). Une rainure intérieure annulaire fermée est ainsi formée entre les surfaces incurvées de la came supérieure et de la came inférieure et la partie intérieure de la douille (8), de manière à y former les courses de soulèvement et de retour. La came rainurée selon l’invention offre de nombreux avantages, notamment une grande fiabilité, un coût réduit et une fabrication simple.
PCT/CN2006/000528 2005-04-11 2006-03-28 Came rainuree Ceased WO2006108342A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU2005200567738U CN2781092Y (zh) 2005-04-11 2005-04-11 一种新型内槽凸轮
CN200520056773.8 2005-04-11

Publications (1)

Publication Number Publication Date
WO2006108342A1 true WO2006108342A1 (fr) 2006-10-19

Family

ID=36762294

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2006/000528 Ceased WO2006108342A1 (fr) 2005-04-11 2006-03-28 Came rainuree

Country Status (2)

Country Link
CN (1) CN2781092Y (fr)
WO (1) WO2006108342A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010540646A (ja) * 2007-10-01 2010-12-24 コルゲート・パーモリブ・カンパニー 抗菌ピロカテコール類及び関連する方法
EP2480143A4 (fr) * 2009-09-24 2014-11-19 Medicinelodge Inc Dba Imds Co Innovation Systèmes de râpage chirurgical et méthodes
US9033986B2 (en) 2009-09-24 2015-05-19 Imds, Llc Reciprocating surgical instrument
US9198675B2 (en) 2009-09-24 2015-12-01 Imds Llc Reciprocating surgical instrument

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103043503B (zh) * 2012-12-27 2015-04-15 桂林电器科学研究院有限公司 薄膜拉伸生产线收卷机的主动卡头
CN103089562B (zh) * 2013-02-04 2015-05-06 方亮 一种凸轮式柱塞泵
CN106015329B (zh) * 2016-07-19 2024-07-23 中山市欣弘机械设备有限公司 一种往复运动轴承机构以及一种往复运动机构
CN106499608B (zh) * 2016-11-03 2018-04-17 西安交通大学 一种伺服电机驱动的槽凸轮式微流量柱塞泵
JP2019050708A (ja) * 2017-09-12 2019-03-28 株式会社フコク 触覚アクチュエータ
CN109516275A (zh) * 2018-10-30 2019-03-26 温雄权 一种包装纸加工用仿形分切装置
CN112719783A (zh) * 2020-12-03 2021-04-30 河北汉光重工有限责任公司 一种内置曲线槽的圆柱凸轮加工方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054127A (zh) * 1990-02-18 1991-08-28 朱新根 旋转运动/往复直线运动转换机构
US5427188A (en) * 1991-12-19 1995-06-27 Fisher; Hugh E. Power tool
CN2305525Y (zh) * 1997-08-22 1999-01-27 崔长江 往复与圆周运动可逆转换装置
JP2003181774A (ja) * 2001-12-14 2003-07-02 Hitachi Koki Co Ltd インパクト工具

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1054127A (zh) * 1990-02-18 1991-08-28 朱新根 旋转运动/往复直线运动转换机构
US5427188A (en) * 1991-12-19 1995-06-27 Fisher; Hugh E. Power tool
CN2305525Y (zh) * 1997-08-22 1999-01-27 崔长江 往复与圆周运动可逆转换装置
JP2003181774A (ja) * 2001-12-14 2003-07-02 Hitachi Koki Co Ltd インパクト工具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010540646A (ja) * 2007-10-01 2010-12-24 コルゲート・パーモリブ・カンパニー 抗菌ピロカテコール類及び関連する方法
EP2480143A4 (fr) * 2009-09-24 2014-11-19 Medicinelodge Inc Dba Imds Co Innovation Systèmes de râpage chirurgical et méthodes
US9033986B2 (en) 2009-09-24 2015-05-19 Imds, Llc Reciprocating surgical instrument
US9198675B2 (en) 2009-09-24 2015-12-01 Imds Llc Reciprocating surgical instrument

Also Published As

Publication number Publication date
CN2781092Y (zh) 2006-05-17

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