KR101656256B1 - Linear transfer guide device - Google Patents

Linear transfer guide device Download PDF

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Publication number
KR101656256B1
KR101656256B1 KR1020160067347A KR20160067347A KR101656256B1 KR 101656256 B1 KR101656256 B1 KR 101656256B1 KR 1020160067347 A KR1020160067347 A KR 1020160067347A KR 20160067347 A KR20160067347 A KR 20160067347A KR 101656256 B1 KR101656256 B1 KR 101656256B1
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KR
South Korea
Prior art keywords
guide
housing
guide surfaces
disposed
support
Prior art date
Application number
KR1020160067347A
Other languages
Korean (ko)
Inventor
안성기
Original Assignee
안성기
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Publication date
Application filed by 안성기 filed Critical 안성기
Priority to KR1020160067347A priority Critical patent/KR101656256B1/en
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Publication of KR101656256B1 publication Critical patent/KR101656256B1/en

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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
    • F16C29/04—Ball or roller bearings
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/34—Rollers; Needles
    • 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
    • F16C2370/00—Apparatus relating to physics, e.g. instruments

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

Abstract

A linear conveying guide device for a three-dimensional measuring machine according to an exemplary embodiment of the present invention includes a guide rail on which a plurality of guide surfaces are formed along a circumference, and a guide rail installed on the guide rail for supporting an object on the outer side, And a conveying unit that linearly moves along the plurality of guide surfaces and guides the object, wherein the plurality of guide surfaces include a first guide surface disposed parallel to an installation surface on which the guide rails are installed, And a plurality of second guide surfaces that are formed to be inclined with respect to the first guide surface and are disposed to face each other with respect to an arbitrary center line passing vertically through the first guide surface.
According to the present invention, three guide surfaces are formed at different positions on the outer surface of the guide rails, and the three guide surfaces are respectively brought into rolling contact with the guide surfaces to guide the movement of the object through the rolling motion By providing three support portions, it is possible to minimize the frictional force by eliminating the surface contact between the guide rails and the conveyance portion, to support the plurality of guide surfaces equally arranged around the guide rails even when vertical load or moment load is applied when the object is moved The load of the object is uniformly dispersed through the plurality of supporting portions, and the object can be stably transported to the target point.

Description

Technical Field [0001] The present invention relates to a linear transfer guide device for a three-

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a linear conveying guide device for a three-dimensional measuring machine, and more particularly, to a linear conveying guiding device for a three-dimensional measuring machine capable of smoothly linearly moving an arbitrary object.

2. Description of the Related Art Generally, a linear guide apparatus is constituted by a rail provided on a fixed portion such as a bed or a column of a machine tool, a slider moving along the rail and guiding a movable table such as a work table of a machine tool or an industrial robot.

Especially. The slider provided on the rail is disposed in a state of being in surface contact with the rail, and when the object moves, the slider moves on the surface of the rail to guide the movement of the object.

However, since the slider and the rail are in surface contact with each other, the above-mentioned linear guide device can not be moved quickly due to increased frictional force, and the movement of the object is delayed, thereby delaying the entire process.

Therefore, in order to solve the above-mentioned problems, at least four guide surfaces are formed on the periphery of the rail, and a plurality of balls which are in rolling contact with a plurality of guide surfaces are provided in the slider.

However, the above-described conventional linear guiding apparatus is complicated in shape and structure, which makes it difficult to manufacture, and the installation is complicated and the manufacturing cost is increased.

Japanese Patent Application Laid-Open No. 10-1999-0063961

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a method and a device for guiding the movement of an object more stably through three moving parts that are in rolling contact with three guide surfaces and three guide surfaces And to provide a linear conveying guide device that can be used.

The linear conveying guide device according to an embodiment of the present invention includes a guide rail on which a plurality of guide surfaces are formed along a circumference, and a plurality of guide rails provided on the guide rails to support an object on the outer side, And a plurality of guide surfaces that are inclined with respect to the first guide surface so as to be parallel to the installation surface on which the guide rails are installed, And a plurality of second guide surfaces opposed to each other with respect to an arbitrary center line passing vertically through the first guide surface.

The conveyance unit may include a housing through which the guide rails pass, and a support disposed inside the housing and disposed at positions corresponding to the plurality of guide surfaces, respectively, for supporting the plurality of guide surfaces have.

Wherein the support portion includes a protective shell coupled to the housing and a rotating roller disposed inside the protective shell and rotatably coupled to the housing through a hinge and in rolling contact with the plurality of second guide surfaces, And a second support portion which is installed through the housing and spaced apart from the inner surface of the housing by a predetermined interval and is in rolling contact with the first guide surface.

A plurality of first accommodation spaces in which the plurality of first support portions are provided and a second accommodation space in which the guide rails and the second support portions are disposed may be formed in the housing.

The second support portion includes a shaft portion that is disposed in the width direction of the guide rail and passes through the housing, a protruding support portion that is integrally formed on the shaft portion and supports the first guide surface, A rotary support portion including a grasping portion coupled to a side end portion of the housing, and a grasping portion which is provided on the outer side of the housing and penetrates the shaft portion inwardly and which separates the grasping portion supported on one side through rotation from the housing, And a position adjuster for adjusting the position of the protruding support portion disposed inside the housing.

Wherein the position adjusting portion is formed of an accommodating member provided outside the housing, an adjusting member screwed to the accommodating member and movably disposed along the axial direction of the shaft portion, an adjusting member on which the grip portion is seated, And a vibration damping member disposed between the accommodating member and the adjustment member and surrounding the shaft portion.

The supporting portion may further include a bearing installed inside the housing and supporting the shaft portion, and an elastic member disposed between the projection supporting portion and the bearing and elastically supporting the projection supporting portion.

According to the present invention, three guide surfaces are formed at different positions on the outer surface of the guide rails, and the three guide surfaces are respectively brought into rolling contact with the guide surfaces to guide the movement of the object through the rolling motion By providing three support portions, it is possible to minimize the frictional force by eliminating the surface contact between the guide rails and the conveyance portion, to support the plurality of guide surfaces equally arranged around the guide rails even when vertical load or moment load is applied when the object is moved The load of the object is uniformly dispersed through the plurality of supporting portions, and the object can be stably transported to the target point.

In addition, compared to the conventional linear guide apparatus including the guide rail formed with four guide surfaces and the slide member moved and installed on the four guide surfaces, the number of parts is reduced, thereby simplifying the manufacturing process and simplifying the structure Thereby increasing the usability and reducing the cost.

1 is a perspective view illustrating a linear transfer guide apparatus according to an embodiment of the present invention.
2 is a cross-sectional view taken along the line II-II in FIG.
3 is a schematic view illustrating a process of guiding an object along a guide rail according to an embodiment of the present invention.
4 is a perspective view illustrating a linear conveying guide device for a three-dimensional measuring machine according to another embodiment of the present invention.
5 is a cross-sectional view taken along the line V-V in FIG.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view taken along line II-II in FIG. 1, and FIG. 3 is a cross-sectional view of a linear conveying apparatus according to an embodiment of the present invention. Fig. 3 is a schematic view showing a process of guiding an object while moving along a guide rail. Fig. 4 is a perspective view illustrating a linear conveying guide according to another embodiment of the present invention, and FIG. 5 is a cross-sectional view taken along the line V-V in FIG.

1 to 3, a linear transport guide apparatus 100 (hereinafter, referred to as 'linear transport guide apparatus 100') according to an embodiment of the present invention includes a guide rail 10.

The guide rail 10 has a plurality of guide surfaces 11, 13 formed along the circumference thereof.

More specifically, the guide rail 10 is provided with a first guide surface 11 disposed parallel to the installation surface G on which the guide rail 10 is installed, and a second guide surface 11 inclined with respect to the first guide surface 11 And a plurality of second guide surfaces 13 disposed opposite to each other with respect to an arbitrary center line CL passing vertically through the first guide surface 11. [ For example, between a plurality of guide surfaces 11, 13 disposed along the periphery of the guide rail 10, a plurality of connection portions (not shown) Plane can be disposed.

Further, the linear conveying guide apparatus 100 includes a conveying unit 20.

The conveying unit 20 is installed on the guide rail 10 and supports the object 200 outwardly. When the object 200 moves, the conveying unit 20 linearly moves along the plurality of guide surfaces 11 and 13, . For example, the conveying unit 20 may be disposed on the guide rail 10 in a plurality of ways according to the condition of the object 200 to be supported.

The transfer unit 20 includes a housing 21 through which the guide rails 10 pass and a plurality of guide faces 11 and 13 provided inside the housing 21, And a support portion 23 for supporting the plurality of guide surfaces 11 and 13.

The support portion 23 may include a first support portion 231 and a second support portion 233.

A plurality of first support portions 231 are disposed in the housing 21 so as to correspond to the plurality of second guide surfaces 13 and a protective shell 2311 coupled to the housing 21, And a rotating roller 2313 which is disposed on the inner side of the hinge 2311 and is rotatably coupled to the housing 21 through the hinge 2315 and is in rolling contact with the plurality of second guide surfaces 13, respectively.

The second support portion 233 is provided so as to penetrate the housing 21 so as to correspond to the first guide surface 11 and is spaced apart from the inner surface of the housing 21 by a predetermined interval so as not to contact the inner surface of the housing 21 And can be in rolling contact with the first guide surface 11. The housing 21 has a plurality of first accommodation spaces 21a and a second accommodation space 233 in which a plurality of first support portions 231 are installed and a guide rail 10 and a second support portion 233 are disposed. (21b) may be formed.

The second support portion 233 will be described in more detail with reference to the drawings.

2 and 5, the second support portion 233 may include a rotation support portion 2331 for supporting the first guide surface 11 of the guide rail 10 through rotation.

The rotation support portion 2331 includes a shaft portion 23311 which penetrates the housing 21 and is arranged in the width direction of the guide rail 10 and a shaft portion 23311 which is formed integrally with the shaft portion 23311 and which is located radially outward from the outer peripheral surface of the shaft portion 23311 A protruding support portion 23313 for supporting the first guide surface 11 and a grip portion 23315 coupled to one end of the shaft portion 23311 exposed to the outside of the housing 21, have. At this time, the other end of the shaft portion 23311 is extended along the axial direction of the shaft portion 23311, and an extended portion 23317 which can be gripped by the user together with the grip portion 23315 can be further coupled. Therefore, the user can manually control the rotation of the shaft portion 23311 on one side or the other side of the shaft portion 23311. [ Further, a plurality of protruding supports 23313 can be provided. 4 and 5 showing another embodiment of the present invention, a protruding support portion 23313 integrally formed on the shaft portion 23311 is formed in the axial direction of the shaft portion 23311 in accordance with the size or shape of the guide rail 10 And can be arranged in plural. Therefore, the guide rails 10 can be supported more stably.

The second support portion 233 may include a position adjustment portion 2333.

The position adjusting portion 2333 is provided on the outer side of the housing 21 so that the shaft portion 23311 penetrates inwardly and the grip portion 23315 supported on one side through the rotation is separated from the housing 21, The position of the protruding support portion 23313 disposed inside the housing 21 can be adjusted.

More specifically, the position adjusting portion 2333 is provided on the outer side of the housing 21 and includes a receiving member 23331 formed on the inner circumferential surface thereof in a threaded manner, a screw portion 23331 screwed to the receiving member 23331 through a thread formed on the outer circumferential surface, A control member 23333 having a groove recessed at a predetermined depth along the axial direction at an end thereof to receive a part of the gripping portion 23315, And a vibration damping member 23335 which is formed of a material having the same elasticity and which is disposed between the housing member 23331 and the adjusting member 23333 and surrounds the shaft portion 23311 and disperses vibration transmitted to the shaft portion 23311 .

The supporting portion 23 includes a bearing 235 and a protrusion supporting portion 23313 which are provided inside the housing 21 and support the shaft portion 23311 together with the first supporting portion 231 and the second supporting portion 233 And an elastic member 237 which is disposed between the bearings 235 and elastically supports the protruding support 23313.

As described above, according to the present invention, three guide surfaces 11 and 13 are formed at different positions on the outer surface of the guide rail 10, and three guide surfaces 11 and 13 are formed in the transfer portion 20, The three support portions 231 and 233 for guiding the movement of the object 200 through the rolling motion when the object 200 is brought into rolling contact with each other are provided so that the surface contact between the guide rail 10 and the conveyance portion 20 is eliminated A plurality of support portions (11, 13) for supporting a plurality of guide surfaces (11, 13) uniformly arranged around the guide rails (10) even when a vertical load or a moment load is applied when the object (200) 231, and 233, the load of the object 200 can be uniformly distributed, and the object 200 can be stably transported to the target point.

In addition, compared to the conventional linear guide apparatus including the guide rail formed with four guide surfaces and the slide member moved and installed on the four guide surfaces, the number of parts is reduced, thereby simplifying the manufacturing process and simplifying the structure Thereby increasing the usability and reducing the cost.

While the present invention has been particularly shown and described with reference to exemplary embodiments, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, And all changes and modifications to the scope of the invention.

100. Linear conveying guide device
10. Guide rail
11. First guide face 13. Second guide face
20. Transports
21. Housing
21a. The first accommodation space 21b. The second accommodation space
23. Support
231. First support
2311. Protective shell 2313. Rotary roller
2315. Hinge
233. Second support
2331. Rotary support
23311. Shank 23313. Projection support
23315. Hand grip 23317. Extension part
2333. Position control unit
23331. Housing member 23333. Adjustment member
23335. Vibration damping member
235. Bearing
237. Elastic member
200. Object
G. Installation surface CL. center line

Claims (7)

A guide rail provided on the guide rail and supporting the object on the outer side and linearly moving along the plurality of guide surfaces when the object is moved to guide the object, and,
Wherein the plurality of guide surfaces include a first guide surface disposed parallel to an installation surface on which the guide rails are installed and a second guide surface formed to be inclined with respect to the first guide surface, And a plurality of second guide surfaces opposed to each other with reference to the first guide surface,
Wherein the conveying portion includes a housing through which the guide rails pass, and a support portion disposed inside the housing and corresponding to the plurality of guide surfaces, the support portions supporting the plurality of guide surfaces,
Wherein the support portion includes a protective shell coupled to the housing and a rotating roller disposed inside the protective shell and rotatably coupled to the housing through a hinge and in rolling contact with the plurality of second guide surfaces, And a second support portion which is installed through the housing and is spaced apart from the inner surface of the housing by a predetermined interval and is in rolling contact with the first guide surface,
The second support portion includes a shaft portion that is disposed in the width direction of the guide rail and passes through the housing, a protruding support portion that is integrally formed on the shaft portion and supports the first guide surface, A rotary support portion including a grasping portion coupled to a side end portion of the housing, and a grasping portion which is provided on the outer side of the housing and penetrates the shaft portion inwardly and which separates the grasping portion supported on one side through rotation from the housing, And a position adjusting unit for adjusting the position of the protruding support unit disposed inside the housing by moving the protruding support unit to the inside of the housing. delete delete delete delete The method of claim 1,
The position-
A housing member provided outside the housing,
An adjustment member screwed to the housing member and movably disposed along the axial direction of the shaft portion, the adjustment member having the grip portion on an end thereof, and
A vibration damping member formed of an elastic body and disposed between the housing member and the adjustment member to surround the shaft,
And the linear movement guide device for a three-dimensional measuring machine. The method of claim 1,
The support
And a resilient member disposed inside the housing and supporting the shaft portion and an elastic member disposed between the protrusion supporting portion and the bearing and elastically supporting the protrusion supporting portion. Device.
KR1020160067347A 2016-05-31 2016-05-31 Linear transfer guide device KR101656256B1 (en)

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KR1020160067347A KR101656256B1 (en) 2016-05-31 2016-05-31 Linear transfer guide device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102105283B1 (en) 2020-01-22 2020-04-27 김정석 3 dimensional coordinate measuring machine with cleaning unit for encoder
KR20220162263A (en) 2021-06-01 2022-12-08 주식회사 아모티스 High-Precision 3 dimensional coordinate measuring machine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210613A (en) * 1988-02-17 1989-08-24 Nobuyuki Tsuboi Bearing unit
KR20010061465A (en) 1999-12-28 2001-07-07 박종섭 A reset signal control circuit of flash memory

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01210613A (en) * 1988-02-17 1989-08-24 Nobuyuki Tsuboi Bearing unit
KR20010061465A (en) 1999-12-28 2001-07-07 박종섭 A reset signal control circuit of flash memory

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102105283B1 (en) 2020-01-22 2020-04-27 김정석 3 dimensional coordinate measuring machine with cleaning unit for encoder
KR20220162263A (en) 2021-06-01 2022-12-08 주식회사 아모티스 High-Precision 3 dimensional coordinate measuring machine

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