KR20010045699A - A needle stand ups and downs device of quilting machine - Google Patents

A needle stand ups and downs device of quilting machine Download PDF

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Publication number
KR20010045699A
KR20010045699A KR1019990049087A KR19990049087A KR20010045699A KR 20010045699 A KR20010045699 A KR 20010045699A KR 1019990049087 A KR1019990049087 A KR 1019990049087A KR 19990049087 A KR19990049087 A KR 19990049087A KR 20010045699 A KR20010045699 A KR 20010045699A
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KR
South Korea
Prior art keywords
shaft
pressing plate
lifting
fabric pressing
needle bar
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KR1019990049087A
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Korean (ko)
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KR100330723B1 (en
Inventor
양정석
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양정석
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Priority to KR1019990049087A priority Critical patent/KR100330723B1/en
Priority to KR2019990025072U priority patent/KR200180284Y1/en
Publication of KR20010045699A publication Critical patent/KR20010045699A/en
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Publication of KR100330723B1 publication Critical patent/KR100330723B1/en

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Classifications

    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B7/00—Linking machines, e.g. for joining knitted fabrics
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B29/00—Pressers; Presser feet
    • D05B29/02—Presser-control devices
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B55/00—Needle holders; Needle bars
    • D05B55/14—Needle-bar drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/02—Mechanical drives
    • D—TEXTILES; PAPER
    • D05—SEWING; EMBROIDERING; TUFTING
    • D05B—SEWING
    • D05B69/00—Driving-gear; Control devices
    • D05B69/30—Details

Abstract

PURPOSE: A lifting apparatus for needle rod of a quilting machine capable of getting on and off a lifting shaft of a needle rod very softly by installing a needle bearing on a shaft connecting part of the upper and lower end part of a link and reducing the impact caused when a fabric pressing plate descends by connecting a chain connected to a rocking shaft of the lifting apparatus to a lifting rod is provided, which makes it possible to operate without noise and increases the service life. CONSTITUTION: The apparatus for lifting a needle rod comprises a helical gear connected to a main shaft; a disc cam(6) set on a driven shaft of a helical gear being in gear with the helical gear; and a lifting shaft(10) for a fabric pressing plate set with a lifting shaft(9) of a needle rod and a fabric pressing plate(13), wherein a set block(14) is connected to a short shaft with a link(15) by installing the set block on the lifting shaft of the needle rod, a needle bearing is installed at the upper and lower part of the link and a connection block(19) is set to the lifting shaft for a fabric pressing plate to reduce the vibration and impact when the fabric pressing plate descends.

Description

퀼팅머신의 니들대 승강장치 {A needle stand ups and downs device of quilting machine}Needle stand ups and downs device of quilting machine

본 발명은 퀼팅머신의 니들대를 승강시킴에 있어서, 더욱 정숙한 작동을 할 수 있도록 하면서 진동이 최소화 되고 승강속도를 최대화시켜 생산성 향상과 신뢰성 극대화를 이룰 수 있도록 하기 위한 것이다.In the present invention, in order to elevate the needle bar of the quilting machine, it is possible to achieve a more quiet operation while minimizing vibration and maximizing the lifting speed to achieve improved productivity and maximum reliability.

주지된 바와 같이 니들대를 승상시키는 통상의 구성을 살펴보면,As is well known, the conventional configuration of raising the needle bar,

다수의 크랭크 휠을 축착시킨 크랭크축을 퀼팅머신 상측에 가로질러 설치하고, 각각의 크랭크 휠에는 승강봉과 연결설치된 로드를 설치하되, 크랭크 축 일단부에 요동로드를 설치하여 상기 요동로드와 연결되게 모타의 동력과 연결설치된 크랭크 휠의 장로드를 연결설치하여 결국 모타의 동력이 니들대까지 전달되기까지 2단계의 크랭크 운동부를 거쳐야 되는 문제점이 따랐으며, 이에 따라 충격과 진동이 극심하고 요동속도에 한계가 따랐기에 생산성 저하와 더불어 수명이 단축 되는 등의 페단이 따랐던 것이다.Install a crank shaft on which a plurality of crank wheels are condensed across the upper side of the quilting machine, and install a rod connected to the lifting rod on each crank wheel, and install a rocking rod at one end of the crank shaft to be connected to the rocking rod. The problem was that the crank wheel had to go through two stages of crank motion until the power of the motor was transferred to the needle bar by connecting and installing the long rod of the crank wheel, which was connected to the power. Therefore, the shock and vibration were severe and the swing speed was limited. As a result, the reduction of productivity and shortening of lifespan were followed.

따라서 본 발명은 전술한 종래 니들대 승강장치에 따른 제반문제점을 감안하여 안출된 것으로, 특히 동력전달을 헬리컬기어 또는 베벨기어를 이용하여 시킬수 있도록 하고, 상기 헬리컬기어 또는 베벨기어의 종동축 선단부에는 원판캠을 설치하여 이곳에 편심되게 니들대 승강축과 연결되는 링크를 설치하되, 상기 링크의 상·하단부의 축 연결부에 니들베어링을 설치하여 니들대 승강축을 매우 부드럽게 승강시킬수 있도록 하고,Therefore, the present invention has been made in view of the above-mentioned problems in accordance with the conventional needle bar lifting device, in particular to enable power transmission using a helical gear or a bevel gear, the disc on the driven shaft end of the helical gear or bevel gear By installing a cam, a link is connected to the needle bar lifting shaft eccentrically, but a needle bearing is installed at the upper and lower shaft connecting portions of the link to make the needle bar lifting shaft very smooth.

상기 니들대 승강축 일측에 설치된 원단누름판 승강봉에는 승강장치 상측의 요동축과 연결된 체인을 연결하여 원단 누름판이 하강할때 작용하는 충격을 최소화시킬수 있도록 함으로써, 니들대 승강축과 원단누름판 승강봉이 진동없이 부드럽게 작동하도록 하며, 이에 따라 매우 정숙한 작동 및 수명연장 효과가 극대화 되게 끔 하려는데 그 목적이 있는 것이다.The needle bar lifting shaft installed on one side of the needle bar lifting shaft connects the chain connected to the rocking shaft on the upper side of the elevating device to minimize the impact acting when the fabric pressing plate lowers, thereby causing the needle bar lifting shaft and the fabric pressing plate lifting bar to vibrate. Its purpose is to make it work smoothly and to maximize the effect of very quiet operation and life extension.

도 1은 본 발명의 작동상태를 나타낸 요부 정면도1 is a front view of the main portion showing the operating state of the present invention

도 2는 도 1의 A - A'선 확대단면도Figure 2 is an enlarged cross-sectional view taken along the line AA 'of FIG.

도 3은 본 발명의 동력전달부분에 대한 요부 확대 사시도3 is an enlarged perspective view of main parts of a power transmission portion of the present invention;

퀼팅머신의 니들대를 승강시키는 장치를 구성함에 있어서,In constructing a device for elevating the needle bar of the quilting machine,

가이드고정판(1)에 원형구멍(2)을 뚫어 이곳에 주축(3)과 연결설치된 헬리컬기어(4)와 상기 헬리컬기어(4)와 치합된 헬리컬기어(4')의 종동축(5)에 고정설치된 원판캠(6)을 설치하고, 상기 원판캠(6)에 편심되게 끔 짧은축(7)을 돌출 설치하며, 상기 가이드고정판(1)의 정면 상·하측에 니들대승강축(9) 및 원단누름판승강축(10)을 지지 및 안내하는 지지부(11)(11')(11")를 돌출 형성하여, 이곳에 하부에 니들대(12)를 고정설치한 니들대승강축(9)과 원단누름판(13)을 고정설치한 원단누름판승강축(10)을 설치하고,A circular hole (2) is drilled in the guide fixing plate (1), and the helical gear (4) connected to the main shaft (3) and the helical gear (4 ') of the helical gear (4') engaged with the helical gear (4 ') are installed here. The fixed cam (6) is installed, the short shaft (7) protrudingly installed so as to be eccentric to the disc cam (6), the needle large lifting shaft (9) and the front and bottom of the guide fixing plate (1) and A needle bar elevating shaft (9) and fabric having a needle bar (12) fixedly installed at the lower part by protruding the support parts (11, 11 ', 11 ") to support and guide the fabric pressing plate elevating shaft (10). Install the fabric pressing plate lifting shaft (10) fixed to the pressing plate (13),

상기 니들대승강축(9)에 고정블럭(14)을 설치하여, 고정블럭(14)와 짧은축(7)을 링크(15)로 연결설치하되, 링크(15) 상·하단부 내측에 니들베어링(16)(16')을 설치하여 니들대승강축(9)이 매우 부드럽게 승강 할 수 있게 하였다.The fixed block 14 is installed on the needle bar lifting shaft 9, and the fixed block 14 and the short shaft 7 are connected and installed by the link 15, but the needle bearings are formed inside the upper and lower ends of the link 15. 16) (16 ') was installed so that the needle bar lifting shaft (9) could be lifted very smoothly.

또 원단누름판승강축(10)에는 연결블럭(19)을 고정시켜 가이드고정판(11) 상측에 설치된 요동축(17)과 체인(18)을 이용하여 연결설치되게 함으로써 원단누름판 승강축(10)이 승강할때 상사점 및 하사점에서 발생하는 진동과 충격을 최소화시킬수 있도록 구성하였다.Also, the fabric pressing plate lifting shaft 10 is fixed to the connecting block 19 so that the fabric pressing plate lifting shaft 10 is connected by using the swing shaft 17 and the chain 18 installed on the upper side of the guide fixing plate 11. It is configured to minimize the vibration and shock that occurs at the top dead center and the bottom dead center when lifting.

이와 같이 구성된 본 발명은 동력이 전달될 때 주축(3)에 설치된 헬리컬기어(4)가 종동축(5)과 연결설치된 헬리컬기어(4')를 회전시킴으로써, 종동축(5) 선단에 고정설치된 원판캠(6)이 부드럽게 회전하게 되고, 또 상기 원판캠(6)에는 편심되게 끔 짧은축(7)이 돌출설치된데다가, 상기 짧은축(7)이 니들대승강장치(9)과 연결설치된 고정블럭(14)과 링크(15)로 연결설치되고, 도 링크(15)와 짧은축(7), 그리고 니들대승강축(9)이 결합되는 부분에 니들베어링(16)(16')을 설치하였음으로 원판캠(6)의 회전에 의해 승강축(9)이 매우 부드럽게 승강할 수 있게 된다.In the present invention configured as described above, the helical gear 4 installed on the main shaft 3 rotates the helical gear 4 'connected to the driven shaft 5 when the power is transmitted, thereby being fixedly installed at the tip of the driven shaft 5. The disc cam 6 rotates smoothly, and the disc cam 6 has a short shaft 7 protruded so as to be eccentric, and the short shaft 7 is fixedly connected to the needle bar elevating device 9. Connected by block 14 and link 15, needle bearings 16 and 16 'are installed at the portion where the road link 15, the short shaft 7, and the needle lift shaft 9 are coupled. As a result, the lifting shaft 9 can be moved up and down very smoothly by the rotation of the disc cam 6.

즉, 링크(15)내에 설치된 니들베어링이 원판캠(6) 회전시 승강축(9)의 상사점 및 하사점의 위치에서 작용하는 압력과 충격을 골고루 분산시켜 받아줌으로써 니들대승강축(9)의 승강이 매우 부드럽고도 정숙하게 이루어질수 있게 되고, 더불어 장기간 사용하더라도 마모가 적고 인정적인 작용이 이루어지게 되어 수명이 반영구적으로 유지될 수 있게 되는 것이다.That is, the needle bearing installed in the link 15 evenly distributes the pressure and impact acting at the positions of the top dead center and the bottom dead center of the elevating shaft 9 when the disc cam 6 rotates. Ascending and descending can be made very smoothly and quietly, and even long-term use is less wear and a recognized action is made so that the life can be maintained semi-permanently.

또한 원단누름판승강축(10)에는 연결블럭(19)을 고정시켜 가이드고정판(11) 상측에 설치된 요동축(17)과 체인(18)을 이용하여 연결설치되게 함으로써, 원단누름판승강축(10)이 승강할때 상사점 및 하사점에서 발생하는 진동과 충격이 최소화 될 수 있게 되는 것이며, 이에 따라 소음감소와 수명연장효과에도 기여할 수 있게 되는 것이다.In addition, the fabric pressing plate lifting shaft 10 is fixed to the connecting block 19 to be installed using the swing shaft 17 and the chain 18 installed on the guide fixing plate 11 upper side, the fabric pressing plate lifting shaft 10 In this case, the vibrations and shocks generated at the top dead center and the bottom dead center can be minimized, thereby contributing to noise reduction and life extension effects.

또 헬리컬기어(4)(4')의 특성이 치차의 접속면적을 크게 한 것이기에 동력전달시 마찰소음이 거의 없는데다가 종래와 같은 크랭크 구조가 아니기에 고속회전이 용이하면서도 소음이 없는 특성이 따르게 되는 것이다.In addition, the helical gears (4) and (4 ') have a large connection area of the gear, so there is little frictional noise during power transmission. .

따라서 본 발명은 종래 크랭크을 이용한 구조에 비하여 매우 고속으로 니들대(12)를 승강시킬수 있어 생산량을 배가시킬수 있을뿐만 아니라 진동 및 소음이 없어 작동시 정숙하고, 또 수명이 매우 길게 유지되는 것이다.Therefore, the present invention can elevate the needle bar 12 at a very high speed as compared to the structure using the conventional crank, not only to double the output, but also to keep quiet and operate for a long time without vibration and noise.

또한 상기한 헬리컬기어(4)(4') 대신에 베벨기어를 사용하여도 그 효과는 동일하게 된다.In addition, even if a bevel gear is used instead of the helical gears 4 and 4 ', the effects are the same.

이상 설명한 바와 같이 본 발명은 종래 크랭크축을 이용하여 니들대를 승강시키는 구조에 비하여 니들대의 승강속도를 배가시킬수 있게 되므로 생산량을 극대화시킬수 있고, 또 진동 및 소음이 없어 매우 정숙하며, 더불어 수명연장효과와 신뢰성을 극대화시킬수 있게 되는 매우 유용한 발명인 것이다.As described above, the present invention can double the lifting speed of the needle bar compared to the structure of elevating the needle bar by using the crankshaft, thereby maximizing the yield, and there is no vibration and noise. It is a very useful invention that can maximize the reliability.

Claims (1)

퀼팅머신의 니들대를 승강시키는 장치를 구성함에 있어서,In constructing a device for elevating the needle bar of the quilting machine, 가이드고정판(1)에 원형구멍(2)을 뚫어 이곳에 주축(3)과 연결설치 된 헬리컬기어(4)와, 상기 헬리컬기어(4)와 치합된 헬리컬기어(4')의 종동축(5)에 고정설치된 원판캠(6)을 설치하고, 상기 원판캠(6)에 편심되게 끔 짧은축(7)을 돌출 설치하여, 상기 가이드고정판(1)의 정면 상·하측에 니들대 승강축(9)및 원단누름판승강축(10)을 지지및 안내하는 지지부(11)(11')(11")를 돌출형성하여 이곳에 하부에 니들대(12)를 고정설치한 니들대승강축(9)와 원단누름판(13)을 고정설치한 원단누름판승강축(10)을 설치하고,A helical gear (4) installed in the guide fixing plate (1) and connected to the main shaft (3), and the driven shaft (5 ') of the helical gear (4') engaged with the helical gear (4). And a disc shaft 6 fixedly installed on the disc cam 6 and protruding from the disc cam 6 so as to be eccentric to the disc cam 6, and having a needle bar lifting shaft at the front and top of the guide fixing plate 1. 9) and needle bar elevating shaft (9), in which protrusions (11) (11 ') (11 ") for supporting and guiding the fabric pressing plate elevating shaft (10) are protruded to fix the needle bar (12) to the lower part. And the fabric pressing plate lifting shaft (10) fixed to the fabric pressing plate (13), 상기 니들대승강축(9)에 고정블럭(14)을 설치하여, 상기 고정블럭(14)과 짧은축(7)을 링크(15)로 연결설치하되, 링크(15) 상·하단부 내측에 니들베어링(16)(16`)을 설치하고, 원단누름판승강축(10)에는 연결블럭(19)을 고정시켜 가이드고정판(11) 상측에 설치된 요동축(17)과 체인(19)을 이용하여 연결설치 되게 함으로써, 원단누름판승강축(10)이 승강할때 상사점 및 하사점에서 발생하는 진동과 충격을 최소화시킬수 있도록 함을 특징으로 하는 퀼팅머신의 니들대 승강장치.The fixed block 14 is installed on the needle bar lifting shaft 9, and the fixed block 14 and the short shaft 7 are connected and installed by the link 15, but the needle bearings are formed inside the upper and lower ends of the link 15. (16) (16`) is installed, and the connecting block 19 is fixed to the fabric pressing plate lifting shaft (10) by using the swing shaft (17) and the chain (19) installed on the upper side of the guide fixing plate (11). By doing so, the needle bar elevating device of the quilting machine, characterized in that to minimize the vibration and impact occurring at the top dead center and the bottom dead center when the fabric pressing plate lifting shaft (10).
KR1019990049087A 1999-11-06 1999-11-06 A needle stand ups and downs device of quilting machine KR100330723B1 (en)

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Application Number Priority Date Filing Date Title
KR1019990049087A KR100330723B1 (en) 1999-11-06 1999-11-06 A needle stand ups and downs device of quilting machine
KR2019990025072U KR200180284Y1 (en) 1999-11-06 1999-11-16 A needle stand ups and downs device of quilting machine

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KR1019990049087A KR100330723B1 (en) 1999-11-06 1999-11-06 A needle stand ups and downs device of quilting machine

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN109529418A (en) * 2018-03-01 2019-03-29 杭州绿环保技术有限公司 A kind of detention tank vibrator
CN111304834A (en) * 2019-11-16 2020-06-19 利辛县飞亚强磁性软纱门有限公司 Edge sealing device of wind-proof quilt

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006696A (en) * 1976-01-12 1977-02-08 Kirsch Company Floating presser foot for quilting machine
KR200149400Y1 (en) * 1996-11-07 1999-06-15 양정석 Quilting machine
KR100236233B1 (en) * 1997-07-30 1999-12-15 Yang Jeong Seok Quilting machine
KR100286269B1 (en) * 1999-04-28 2001-03-15 양정석 A needle stand ups and downs device of quilting machine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109529418A (en) * 2018-03-01 2019-03-29 杭州绿环保技术有限公司 A kind of detention tank vibrator
CN109806630A (en) * 2018-03-01 2019-05-28 杭州绿一环保技术有限公司 A kind of sedimentation basin vibrator
CN109529418B (en) * 2018-03-01 2021-05-25 杭州绿一环保技术有限公司 Vibrator for sewage sedimentation tank
CN111304834A (en) * 2019-11-16 2020-06-19 利辛县飞亚强磁性软纱门有限公司 Edge sealing device of wind-proof quilt

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