KR200393286Y1 - Ball bush of slide unit - Google Patents

Ball bush of slide unit Download PDF

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Publication number
KR200393286Y1
KR200393286Y1 KR20-2005-0013295U KR20050013295U KR200393286Y1 KR 200393286 Y1 KR200393286 Y1 KR 200393286Y1 KR 20050013295 U KR20050013295 U KR 20050013295U KR 200393286 Y1 KR200393286 Y1 KR 200393286Y1
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KR
South Korea
Prior art keywords
ball
slide unit
outer cylinder
case
diameter
Prior art date
Application number
KR20-2005-0013295U
Other languages
Korean (ko)
Inventor
이태식
Original Assignee
나산정공 주식회사
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Priority to KR20-2005-0013295U priority Critical patent/KR200393286Y1/en
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Publication of KR200393286Y1 publication Critical patent/KR200393286Y1/en

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/04Ball or roller bearings
    • F16C29/06Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0602Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly
    • F16C29/0604Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section
    • F16C29/0607Details of the bearing body or carriage or parts thereof, e.g. methods for manufacturing or assembly of the load bearing section of parts or members for retaining the rolling elements, i.e. members to prevent the rolling elements from falling out of the bearing body or carriage
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/04Ball or roller bearings
    • F16C29/06Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/063Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body, e.g. a carriage or part thereof, provided between the legs of a U-shaped guide rail or track
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/04Ball or roller bearings
    • F16C29/06Ball or roller bearings in which the rolling bodies circulate partly without carrying load
    • F16C29/0676Ball or roller bearings in which the rolling bodies circulate partly without carrying load with a bearing body or carriage almost fully embracing the guide rail or track, e.g. a circular sleeve with a longitudinal slot for the support posts of the rail
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C29/00Bearings for parts moving only linearly
    • F16C29/10Arrangements for locking the bearings

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

Abstract

본 고안은 슬라이드 유닛의 볼부시에 관한 것으로, 통공(10) 내벽에 수개의 결합홈(2a)을 갖는 외통(2) 내에 그 외면에 수개의 결합돌부(4a)를 갖는 볼케이스(4)를 결합고정하되 각 결합돌부(4a) 인근에는 연통부(6a)와 비연통부(6b)를 갖는 트랙형 볼수장실(6)을 형성하여 상기 볼 수장실(6) 내에 3.0~3.4mm 직경의 볼(8)을 결합구성하여 슬라이드 유닛(A)의 슬라이딩 작동이 큰 소음이나 볼(8)의 편마모없이 안정감있고 원활하게 이루어질 수 있도록 한 것이다.The present invention relates to a ball bush of a slide unit, and has a ball case (4) having several coupling protrusions (4a) on its outer surface in an outer cylinder (2) having several coupling grooves (2a) on the inner wall of the through hole (10). Coupling is fixed, but each of the engaging protrusions (4a) in the vicinity of the ball-shaped cupboard (6) having a communication portion (6a) and a non-communicating portion (6b) to form a ball of 3.0 ~ 3.4mm diameter in the ball storage chamber (6) Combining the configuration 8) to ensure that the sliding operation of the slide unit (A) can be made stable and smooth without loud noise or uneven wear of the ball (8).

Description

슬라이드 유닛의 볼부시{BALL BUSH OF SLIDE UNIT}Ball Bushing of Slide Unit {BALL BUSH OF SLIDE UNIT}

본 고안은 슬라이드 유닛의 볼부시에 관한 것으로서, 상세하게는 슬라이드 유닛의 슬라이딩작동이 소음없이 보다 원활하게 이루어질 수 있도록 한 것이다.The present invention relates to a ball bush of the slide unit, and in particular, to allow the sliding operation of the slide unit to be made more smoothly without noise.

슬라이드 유닛(Slide Unit)은 좌우지지편 사이에 고정설치되는 LM샤프트를 따라 슬라이딩 작동하여 슬라이드 블럭에 연결고정되는 각종 이송기구를 직선안내하는 것으로서, 슬라이드 유닛의 블럭내에 갖는 볼부시(Ball Bush)는 외통과 상기 외통내에 삽입고정되는 볼케이스 및 상기 볼케이스의 볼수장실에 촘촘히 결합되어 통공 내측으로 일부돌출되는 무수한 무수한 볼(Ball)로 구성된다.The slide unit slides along the LM shaft fixedly installed between the left and right support pieces to linearly guide various conveying mechanisms connected to the slide block. The ball bush in the block of the slide unit It is composed of a myriad of balls (balls) are tightly coupled to the ball case inserted into the outer cylinder and the outer cylinder and the ball chamber of the ball case and partially protrude into the through hole.

그러나 볼케이스에 설치되는 볼은 갯수가 적거나 또는 볼의 갯수가 많다 하더라도 그 볼이 외통과 LM샤프트 사이에서 적절한 접촉이 이루어지지 못할 경우에나 주의의 방해로 볼의 구름작용이 원활하게 이루어지지 못할 경우 그리고 LM샤프트의 직경대비 볼의 크기가 적절하지 못할 경우 슬라이드 유닛의 슬라이딩 작동시 심한 소음이 발생되고 또 볼의 구름작용이 원활하게 이루어질 수가 없으며 볼의 편마모로 인하여 사용수명이 단축되는 등의 문제점들이 발생된다.However, even if the number of balls installed in the ball case is small or the number of balls is large, the ball may not be able to perform smoothly due to the hindrance or if the ball is not properly contacted between the outer cylinder and the LM shaft. If the size of the ball is not appropriate for the diameter of the LM shaft, severe noise is generated during the sliding operation of the slide unit, and the rolling action of the ball cannot be made smoothly, and the service life is shortened due to uneven wear of the ball. Are generated.

이에 본 고안은 적절한 직경의 볼을 충분히 갖도록 할 수가 있고 또 슬라이드 유닛의 슬라이딩시 볼의 구름작용이 원활하게 이루어질 수가 있어 소음발생을 최소화하면서 슬라이딩작동이 안정감있고 원활하게 이루어질 수가 있으며 볼의 편마모방지로 사용수명을 연장시켜 줄 수가 있는 슬라이드 유닛의 볼부시를 제공하고자 한다.Therefore, the present invention can sufficiently have a ball of appropriate diameter, and the rolling action of the ball can be made smoothly when sliding the slide unit, and the sliding operation can be made stable and smooth while minimizing noise generation. To provide a ball bush of the slide unit that can extend the service life.

상기한 본 고안의 목적은 볼케이스가 갖는 각 볼수장실을 트랙형으로 구성하되 각 볼수장실은 연통부와 비연통부로 구성하여 약3.0~3.4mm 직경의 볼이 트랙형 볼수장실을 따라 구름작용을 하도록 한 볼부시에 의해 달성된다.The object of the present invention is to configure each ball cage having a ball case in a track type, but each ball cage consists of a communication portion and a non-communication portion, and a ball having a diameter of about 3.0 to 3.4 mm has a cloud action along the track-type ball cage. Achieved by a ball bushing.

도 1은 본 고안의 분해사시도로서, 본 고안은 외통(2)과, 상기 외통(2) 내에 삽입고정되는 볼케이스(4)와, 상기 볼케이스(4)의 볼수장실(6) 내에 촘촘히 결합되는 무수한 볼(8)로 구성된다.1 is an exploded perspective view of the present invention, the present invention is tightly coupled to the outer cylinder (2), the ball case (4) inserted into the outer cylinder (2), and the ball cage (6) of the ball case (4) It consists of a myriad of balls 8.

상기에서 외통(2)은 통공 내벽에 수개의 결합홈(2a)이 길이방향을 따라 형성되어 있고 그 통공 양측에는 걸림홈(2b)이 빙둘러 형성되어 있다.In the outer cylinder (2) is formed in the inner wall of the several coupling grooves (2a) along the longitudinal direction and the engaging groove (2b) is formed on both sides of the through hole.

또한 볼케이스(4)는 외면에 수개의 결합돌부(4a)가 형성되어 있어 외통(2)과는 결합홈(2a)과 결합돌부(4a)에 의해 결합되고 또 각 결합돌부(4a) 인근에는 트랙형 볼수장실(6)이 형성되어 있다.In addition, the ball case 4 has a plurality of engaging protrusions 4a formed on the outer surface thereof, and is coupled to the outer cylinder 2 by the engaging grooves 2a and the engaging protrusions 4a, and adjacent to each engaging protrusion 4a. The track-type ball cage 6 is formed.

상기 볼케이스(4)가 갖는 트랙형 볼수장실(6)은 각기 약간의 간격을 두고 길이방향으로 나란한 직선코스와 상기 두 직선코스를 있는 곡선코스로 이루어지고 또 각각 직선코스를 포함하는 연통부(6a)와 비연통부(6b)로 이루어져 있고 여기에 전체적으로 약3.0~3.4mm 직경의 볼(8)이 촘촘히 결합되며 볼(8)의 결합후 외통(2)에 삽입하고 상기 외통(2)의 통공 양측에 갖는 걸림홈(2b)에 스냅링(10)을 끼워서 이탈방지되도록 구성된다.The track-type ball cage 6 of the ball case 4 comprises a straight course parallel to each other in the longitudinal direction with a slight gap and a curved course having the two straight courses, and each communicating portion including a straight course ( 6a) and the non-communication part 6b, and the balls 8 having a diameter of about 3.0 to 3.4 mm are tightly coupled thereto, and the ball 8 is inserted into the outer cylinder 2 after the ball 8 is coupled, and the through-hole of the outer cylinder 2 is connected thereto. It is configured to prevent separation by inserting the snap ring 10 in the engaging groove (2b) having on both sides.

본 고안 볼 부시(Ball Bush)(A)는 슬라이드 블럭(12)의 통공에 삽입되어 상기 통공 양측에 갖는 걸림홈에 스냅링을 끼워서 고정해 주게 되면 슬라이드 유닛(B)을 구성하게 되며 좌우지지편에 고정되는 LM샤프트(14)가 볼부시(A)의 볼케이스(4)가 갖는 안내공(16)을 관통하도록 설치사용된다.The present ball bush (Ball Bush) (A) is inserted into the through hole of the slide block 12 and the snap ring is fixed to the locking grooves on both sides of the through hole to form a slide unit (B) and to the left and right support pieces The LM shaft 14 to be fixed is installed and used to penetrate the guide hole 16 of the ball case 4 of the ball bush A. FIG.

또한 설치시 볼케이스(4)의 볼수장실(6)에 결합되는 볼(8) 중 연통부(6a)측에 갖는 볼(8)은 외통(2)의 내면과 LM샤프트(12) 외면에 접촉하게 되고, 비연통부(6b)측이 갖는 볼(8)은 그 바닥면과 외통(2)의 내벽에 접촉하게 된다.In addition, the ball 8 having the communication portion 6a side of the balls 8 coupled to the ball cage 6 of the ball case 4 is in contact with the inner surface of the outer cylinder 2 and the outer surface of the LM shaft 12. And the ball 8 which the non-communication part 6b side has comes in contact with the bottom surface and the inner wall of the outer cylinder 2.

이때 볼(8)은 약3.0~3.4mm의 적당한 직경으로서 직경이 작고 또 트랙형의 각 볼수장실이 갖는 긴 공간을 통하여 보다 많은 갯수를 설치해 줄 수가 있어 LM샤프트(14)와는 접촉간격을 줄일 수 있을 뿐 아니라 보다 많은 갯수가 접촉되게 할 수가 있고 또 그 연통부(6a)는 각 볼수장실(6) 중 어느 한 직선코스 외에 양측의 곡선코스 일부를 포함하게 되므로 볼수장실(6)간의 접촉간격을 줄일 수가 있어 슬라이드 유닛(B)은 LM샤프트(14)에 대하여 큰 유격이나 소음없이 안정감있게 슬라이딩작동할 수가 있게 된다.At this time, the ball 8 is a suitable diameter of about 3.0 ~ 3.4mm, the diameter is small, and can be installed more number through the long space of each ball-type ball room of the track type can reduce the contact interval with the LM shaft 14 In addition to this, a larger number can be brought into contact with each other, and the communication portion 6a includes a part of the curved courses on both sides in addition to any one of the ballrooms 6, so that the contact spaces between the ballast chambers 6 are reduced. Since it can be reduced, the slide unit B can operate slidably with respect to the LM shaft 14 without large play and noise.

또한 슬라이드 유닛(B)이 LM샤프트(14)를 따라 슬라이딩할시 각 볼수장실(6)의 볼(8)은 주위의 방해없이 구름작용을 하면서 트랙형 볼수장실(6)을 따라 회전하게 되므로 슬라이딩작동이 더욱 원활하게 이루어질 수가 있고 또 볼(8)의 편마모를 방지해 줄 수가 있게 된다.In addition, when the slide unit (B) slides along the LM shaft 14, the balls 8 of each ball storage chamber 6 are rotated along the track-type ball storage chamber 6 while rolling without disturbing the surroundings. The operation can be made more smoothly, and the wear of the ball 8 can be prevented.

이상에서와 같이 본 고안은 약3.0~3.4mm 직경의 볼을 이용하므로서 LM샤프트(14)에 대한 볼(8)간의 접촉간격을 줄일 수가 있을 뿐 아니라 슬라이드 유닛(B)의 슬라이딩시 각 볼(8)들은 트랙형 볼수장실(6)을 따라 회전할 수 있게 되므로 슬라이딩작동이 소음없이 보다 안정감있고 원활하게 이루어질 수가 있으며 더나아가 볼(8)의 편마모방지로 사용수명을 연장시켜 줄 수가 있는 등의 효과를 기대할 수가 있는 것이다.As described above, the present invention not only reduces the contact distance between the balls 8 with respect to the LM shaft 14 by using a ball having a diameter of about 3.0 to 3.4 mm, but also when each slide 8 slides the slide unit B. ) Can be rotated along the track-type ballroom (6), so that the sliding operation can be made more stable and smooth without noise, and furthermore, it can extend the service life by preventing the wear of the ball (8). You can expect.

도 1 : 본 고안의 분해사시도1 is an exploded perspective view of the subject innovation

도 2 : 본 고안 볼케이스의 일부확대단면구성도Figure 2 is a partially enlarged cross-sectional configuration of the subject innovation ball case

도 3 : 본 고안의 사용상태 분해사시도3 is an exploded perspective view of the state of use of the subject innovation

도 4 : 본 고안의 사용상태 확대단면구성도4 is an enlarged cross-sectional configuration of the state of use of the subject innovation

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

(A)--볼부시 (B)--슬라이드 유닛(A)-Bolbush (B)-Slide Unit

(2)--외통 (2a)--결합홈(2)-outer tube (2a)-engagement groove

(2b)--걸림홈 (4)--볼케이스(2b)-jamming groove (4)-ball case

(4a)--결합돌부 (6)--볼수장실(4a)-Joining Stones (6)-Ballroom

(6a)--연통부 (6b)--비연통부(6a)-communication part (6b)-non-communication part

(8)--볼 (10)--스냅링(8)-Ball (10)-Snap Ring

(12)--슬라이드 블럭 (14)--LM샤프트(12)-Slide Block (14)-LM Shaft

(16)--안내공(16)-Guide

Claims (1)

통공 내벽에 수개의 결합홈을 갖는 외통과, 외면에 수개의 결합돌부가 형성되고 각 결합돌부 인근에는 개방부와 비개방부로 이루어진 트랙형 볼수장실이 형성되며 외통 내에 삽입되어 좌우 스냅링으로 고정되는 볼케이스와, 상기 볼케이스의 볼수장실에 촘촘히 결합되는 3.0~3.4mm 직경의 볼로 구성함을 특징으로 하는 슬라이드 유닛의 볼부시.An outer cylinder having several coupling grooves on the inner wall of the through hole, and several coupling protrusions are formed on the outer surface thereof, and a track-type ball cage consisting of an open portion and an unopened portion is formed near each coupling protrusion, and the ball is inserted into the outer cylinder and fixed by left and right snap rings Ball bushing of the slide unit, characterized in that consisting of a 3.0 ~ 3.4mm diameter ball is tightly coupled to the case and the ball cage of the ball case.
KR20-2005-0013295U 2005-05-11 2005-05-11 Ball bush of slide unit KR200393286Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101079153B1 (en) * 2011-04-29 2011-11-02 홍의택 A linear bearing
WO2021225319A1 (en) * 2020-05-06 2021-11-11 (주)원에스티 Ball spline having reinforcement bush part

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101079153B1 (en) * 2011-04-29 2011-11-02 홍의택 A linear bearing
WO2012148058A1 (en) * 2011-04-29 2012-11-01 Hong Eu-Taek Linear bearing
WO2021225319A1 (en) * 2020-05-06 2021-11-11 (주)원에스티 Ball spline having reinforcement bush part

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