KR20010036987A - Position coder supporter in Taping member of Machine - Google Patents

Position coder supporter in Taping member of Machine Download PDF

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Publication number
KR20010036987A
KR20010036987A KR1019990044243A KR19990044243A KR20010036987A KR 20010036987 A KR20010036987 A KR 20010036987A KR 1019990044243 A KR1019990044243 A KR 1019990044243A KR 19990044243 A KR19990044243 A KR 19990044243A KR 20010036987 A KR20010036987 A KR 20010036987A
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KR
South Korea
Prior art keywords
coupling
position coder
pulley
timing pulley
spindle
Prior art date
Application number
KR1019990044243A
Other languages
Korean (ko)
Inventor
김철호
Original Assignee
김재복
위아 주식회사
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 김재복, 위아 주식회사 filed Critical 김재복
Priority to KR1019990044243A priority Critical patent/KR20010036987A/en
Publication of KR20010036987A publication Critical patent/KR20010036987A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/16—Thread cutting; Automatic machines specially designed therefor in holes of workpieces by taps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23G—THREAD CUTTING; WORKING OF SCREWS, BOLT HEADS, OR NUTS, IN CONJUNCTION THEREWITH
    • B23G1/00—Thread cutting; Automatic machines specially designed therefor
    • B23G1/44—Equipment or accessories specially designed for machines or devices for thread cutting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0032—Arrangements for preventing or isolating vibrations in parts of the machine

Abstract

PURPOSE: A position coder supporting device reduces burning and noise of a driven timing pulley and secures balance against shaking to extend life of a coupling. CONSTITUTION: A shaft(10a) of a driven timing pulley(10) connected with a coupling(8) is formed extendedly. Angular bearings(12a, 12b) are installed to the upper part and the lower part of the shaft(12a) respectively to support a position coder(11). When a motor is driven, the driving force is transmitted through a pulley(2) installed to a shaft(1a) of the motor(1) and a scrum belt(3) to a spindle(4). The rotatory force of the spindle(4) is transmitted through a driving timing pulley(6) and a timing belt(7) to the driven timing pulley(10). The angular bearing(12a, 12b) and a collar(13) transmit rotatory force to the coupling(8). The position coder(11) integrally installed to the coupling(8) rotates to detect the rotation frequency of the spindle(4) accurately.

Description

공작기계의 고속탭핑장치에 있어서 위치코더 지지장치{Position coder supporter in Taping member of Machine}Position coder supporter in Taping member of Machine

본 발명은 공작기계의 고속탭핑장치에 있어서 스핀들의 동력이 전달되는 커플링을 보유지지하는 장치에 관한 것으로, 특히 스핀들의 동력을 전달받는 풀리의 흔들림을 방지하고 균형유지의 확보가 이루어져 부품의 파손을 방지하도록 이루어진 공작기계의 고속탭핑장치에 있어서 위치코더 지지장치에 관한 것이다.The present invention relates to a device for holding a coupling for transmitting the power of the spindle in the high-speed tapping device of the machine tool, in particular to prevent the shaking of the pulley receiving the power of the spindle to ensure the balance maintenance and damage to the parts In the high-speed tapping device of the machine tool configured to prevent the relate to a position coder support device.

일반적으로 공작기계의 고속탭핑장치에는 작업특성상 모우터에 의하여 고속회동되는 스핀들의 회전수를 정확히 검출하여야만 보다 정확한 작업이 수행되도록 되어 있는바, 이러한 스핀들의 회전수를 감지하는 장치가 위치코더(position coder)로서, 이 위치코더는 스핀들의 회전수를 감지하여 이를 작업에 반영하는 역할을 수행하게 되어 있는데, 종래 고속탭핑장치의 위치코더는 도 1에 도시된 바와 같이 스핀들(4)에 타이밍벨트(7)로 연결되어진 커플링(8)과 함께 회동하는 구조로 되어 있다. 즉 모우터(1)의 동력은 모우터의 풀리(2)와 스크럼벨트(3)를 통하여 스핀들(4)에 전달되고, 이 스핀들(4)의 회전구동력이 타이밍풀리들(6,10)과 타이밍벨트(7)를 통하여 하우징(9) 내부에 장착되어 볼베어링(16)과 키이(15)로 지지된 커플링(8)으로 전달되어지면, 이 커플링(8)의 회전과 함께 위치코더(11)도 회전하여 상기 스핀들(4)의 회전수를 감지하도록 이루어진 구조로 되어 있다.In general, a high speed tapping device of a machine tool is required to accurately detect the rotational speed of a spindle that is rotated at high speed by a motor. Therefore, a more accurate operation is performed. coder), the position coder detects the rotational speed of the spindle and reflects it to the work. The position coder of the conventional high-speed tapping apparatus has a timing belt ( It rotates together with the coupling 8 connected by 7). That is, the power of the motor 1 is transmitted to the spindle 4 through the pulley 2 and the scrum belt 3 of the motor, and the rotational driving force of the spindle 4 is connected to the timing pulleys 6 and 10. When the inside of the housing 9 is transferred to the coupling 8 supported by the ball bearing 16 and the key 15 through the timing belt 7, the position coder is rotated together with the rotation of the coupling 8. 11) also rotates to detect the number of revolutions of the spindle (4).

그러나 종래 고속탭핑장치에서는 상기 스핀들(4)이 고속으로 회전하게 되면, 커플링(8)에 연결된 종동타이밍풀리(10)를 지지하는 볼베어링(16)과 하우징(9) 사이에 소착현상과 소음이 발생하게 될 뿐만 아니라, 상기 타이밍풀리(7)의 지지를 1개의 볼베어링(16)으로 지지하게 되어 이 종동타이밍풀리(10)의 끝단이 흔들리게 되어 결국에는 커플링(8)이 파손되어지는 문제점 등이 제기되어 왔다.However, in the conventional high speed tapping device, when the spindle 4 rotates at a high speed, squeeze phenomenon and noise are generated between the ball bearing 16 and the housing 9 supporting the driven timing pulley 10 connected to the coupling 8. In addition, the support of the timing pulley (7) is supported by one ball bearing (16), which causes the end of the driven timing pulley (10) to shake, resulting in a failure of the coupling (8). Has been raised.

이에 본 발명은 상기와 같은 종래 문제점을 해결하기 위하여 발명된 것으로, 고속탭핑장치의 스핀들의 고속회전시 커플링으로 전달받는 회전동력에 의하여 종동 타이밍풀리의 흔들림을 방지하여 균형을 유지하면서 스핀들의 회전수를 정확히 감지할 수 있도록 이루어진 공작기계의 고속탭핑장치에 있어서 위치코더 지지장치를 제공함에 그 목적이 있다.Accordingly, the present invention has been invented to solve the above conventional problems, the rotation of the spindle while maintaining the balance by preventing the shaking of the driven timing pulley by the rotational power transmitted to the coupling during the high-speed rotation of the spindle of the high-speed tapping device It is an object of the present invention to provide a position coder support device in a high-speed tapping device of a machine tool configured to accurately detect a number.

도 1은 종래 공작기계의 고속탭핑장치를 나타낸 단면도,1 is a cross-sectional view showing a high speed tapping device of a conventional machine tool,

도 2는 본 발명에 따른 위치코더 지지장치가 적용된 공작기계의 고속탭핑 장치의 단면도이다.2 is a cross-sectional view of a high speed tapping apparatus of a machine tool to which a position coder supporting apparatus according to the present invention is applied.

-도면중 주요부분에 대한 부호의 설명-Explanation of symbols on main parts of drawing

1 : 모우터 1a : 축1: motor 1a: shaft

2 : 풀리 3 : 스크럼벨트2: pulley 3: scrum belt

4 : 스핀들 5 : 풀리4 spindle 5 pulley

6 : 구동타이밍풀리 7 : 타이밍벨트6: driving timing pulley 7: timing belt

8 : 커플링 9 : 하우징8 coupling 9 housing

10 : 종동타이밍풀리 11 : 위치코더10: driven timing pulley 11: position coder

12a,12b : 앵귤러베어링 13 : 칼라12a, 12b: angular bearing 13: color

14 : 너트 15 : 키이14: nut 15: key

상기와 같은 목적을 달성하기 위한 본 발명에 따른 위치코더 지지장치는 모우터와 스크럼벨트로 연결되어진 스핀들이 이의 구동타이밍풀리에 연결된 타이밍벨트를 매개로 커플링이 내장된 하우징의 종동타이밍풀리에 연결되고, 이 종동타이밍풀리는 위치코더와 함께 회동하는 커플링을 회동시키도록 이루어진 공작기계의 고속탭핑장치에 있어서, 상기 커플링에 연결된 종동타이밍풀리의 축을 연장형성시키어 이축의 상하부쪽에 앵귤러 베어링들을 각각 장착시키어 위치코더를 보유지지하는 구조로 되어 있다.Position coder support device according to the present invention for achieving the above object is connected to the driven timing pulley of the housing in which the coupling is built via a timing belt connected to the drive timing pulley is connected to the motor and the scrum belt In the high speed tapping apparatus of the machine tool configured to rotate the coupling to rotate with the position coder, the driven timing pulley extends the axis of the driven timing pulley connected to the coupling to mount the angular bearings on the upper and lower sides of the biaxial shaft, respectively It is designed to hold the position coder.

이하 본 발명을 첨부된 예시도면에 의거 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명이 적용된 고속탭핑장치의 전체 단면도로서, 종래구조인 도 1에 도시된 동일부품에 대하여는 동일한 참조부호를 부여한다.FIG. 2 is an overall sectional view of the high speed tapping apparatus to which the present invention is applied, and like reference numerals are used to denote like parts shown in FIG.

본 발명은 모우터(1)의 축(1a)에 장착된 풀리(2)가 스크럼벨트(3)를 매개로 스핀들(4)의 풀리(5)에 연결되고, 이 스핀들(4)의 구동타이밍풀리(6)는 타이밍벨트(7)를 매개로 커플링(8)이 내장된 하우징(9)의 종동타이밍풀리(10)에 연결되면서 이 종동타이밍풀리(10)가 위치코더(11)와 함께 회동되는 커플링(8)에 연결되어 이루어진 공작기계의 고속탭핑장치에 있어서, 상기 커플링(8)에 연결된 종동타이밍풀리(10)의 축(10a)을 연장형성시키어 이 축(10a)의 상하부쪽에 앵귤러베어링들(12a,12b)을 각각 장착시키어 위치코더(11)를 보유지지하도록 되어 있다.According to the present invention, the pulley (2) mounted on the shaft (1a) of the motor (1) is connected to the pulley (5) of the spindle (4) via a scrum belt (3), and the drive timing of the spindle (4). The pulley 6 is connected to the driven timing pulley 10 of the housing 9 in which the coupling 8 is built in via the timing belt 7 while the driven timing pulley 10 is coupled with the position coder 11. In the high speed tapping apparatus of a machine tool connected to a rotating coupling (8), the shaft (10a) of the driven timing pulley (10) connected to the coupling (8) is extended to form the upper and lower parts of the shaft (10a) The angular bearings 12a and 12b are mounted on the side to hold the position coder 11, respectively.

여기서 상기 상하부 앵귤러베어링들(12a,12b)은 종동타이밍풀리(10)의 축(10a)에서 칼라(13)를 사이에 두고 설치되어 있으며, 이 축(10a)은 너트(14)와 키이(15)를 매개로 하우징(9)의 커플링(8)에 직결되고 이 커플링(8)은 위치코더(11)와 함께 회동하도록 연결장착되어 있다.Here, the upper and lower angular bearings (12a, 12b) are installed between the collar 13 in the shaft (10a) of the driven timing pulley (10), the shaft (10a) is a nut 14 and the key (15) Is directly connected to the coupling 8 of the housing 9, and the coupling 8 is connected to be rotated together with the position coder 11.

이어 본 발명에 따른 위치코더 지지장치의 작용을 살펴보면,Looking at the action of the position coder support device according to the invention,

모우터(1)가 구동되면 이 모우터(1)의 축(1a)에 장착된 풀리(2)와 스크럼벨트(3)를 통하여 스핀들(4)에 구동력이 전달되고, 이 스핀들(4)의 회전력은 구동타이밍풀리(6)와 타이밍벨트(7)를 거쳐 종동타이밍풀리(10)에 전달된다. 그런 다음 이 종동타이밍풀리(10)의 축(10a)에 장착된 앵귤러베어링들(12a,12b)과 칼라(13)를 통하여 커플링(8)에 회전력이 전달되고, 이 커플링(8)과 일체로 장착된 위치코더(11)가 회전하여 스핀들(4)의 회전수를 정확하게 감지하도록 되어 있다.When the motor 1 is driven, driving force is transmitted to the spindle 4 through the pulley 2 and the scrum belt 3 mounted on the shaft 1a of the motor 1, The rotational force is transmitted to the driven timing pulley 10 via the drive timing pulley 6 and the timing belt 7. Then, a rotational force is transmitted to the coupling 8 through the collar 13 and the angular bearings 12a and 12b mounted on the shaft 10a of the driven timing pulley 10, and the coupling 8 and An integrally mounted position coder 11 rotates to accurately sense the number of revolutions of the spindle 4.

따라서 본 발명은 상기 위치코더에 회전력을 전달하는 종동타이밍풀리가 앵귤러 베어링들(12a,12b)에 의하여 하우징(9)에서 양단 지지되는 구조를 취함에 따라 이 종동타이밍풀리의 소착 및 소음을 저감시키면서 흔들림에 대한 균형확보가 이루어짐에 따라 결국 커플링의 수명도 연장시키게 되는 잇점등을 갖추게 된다.Accordingly, the present invention has a structure in which the driven timing pulley for transmitting rotational force to the position coder is supported by the angular bearings 12a and 12b at both ends of the housing 9 while reducing the squeeze and noise of the driven timing pulley. As the balance is stabilized, there is an advantage to extending the life of the coupling.

Claims (2)

모우터(1)의 축(1a)에 장착된 풀리(2)가 스크럼벨트(3)를 매개로 스핀들(4)의 풀리(5)에 연결되고, 이 스핀들(4)의 구동타이밍풀리(6)는 타이밍벨트(7)를 매개로 커플링(8)이 내장된 하우징(9)의 종동타이밍풀리(10)에 연결되면서 이 종동타이밍풀리(10)가 위치코더(11)와 함께 회동되는 커플링(8)에 연결되어 이루어진 공작기계의 고속탭핑장치에 있어서,The pulley 2 mounted on the shaft 1a of the motor 1 is connected to the pulley 5 of the spindle 4 via the scrum belt 3, and the drive timing pulley of the spindle 4 6 ) Is connected to the driven timing pulley 10 of the housing 9 in which the coupling 8 is built in via the timing belt 7, and the driven timing pulley 10 is rotated together with the position coder 11. In the high speed tapping device of a machine tool connected to the ring (8), 상기 커플링(8)에 연결된 종동타이밍풀리(10)의 축(10a)을 연장형성시키어 이 축(10a)의 상하부쪽에 앵귤러베어링들(12a,12b)을 각각 장착시키어 위치코더(11)를 보유지지하도록 이루어진 것을 특징으로 하는 공작기계의 고속탭핑장치에 있어서 위치코더 지지장치.The shaft 10a of the driven timing pulley 10 connected to the coupling 8 is extended so that the angular bearings 12a and 12b are mounted on the upper and lower sides of the shaft 10a, respectively, to hold the position coder 11. Position coder support device in the high-speed tapping apparatus of the machine tool, characterized in that made to support. 제 1항에 있어서, 상기 상하부 앵귤러베어링들(12a,12b)은 종동타이밍풀리(10)의 축(10a)에서 칼라(13)를 사이에 두고 설치되어 이루어진 것을 특징으로 하는 공작기계의 고속탭핑장치에 있어서 위치코더 지지장치.The high-speed tapping apparatus of claim 1, wherein the upper and lower angular bearings (12a, 12b) are installed with the collar (13) between the shaft (10a) of the driven timing pulley (10). Position coder support device.
KR1019990044243A 1999-10-13 1999-10-13 Position coder supporter in Taping member of Machine KR20010036987A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020802A (en) * 1983-07-14 1985-02-02 Yoshizo Kitano Combined machine tool
JPS60232847A (en) * 1984-05-07 1985-11-19 Hitachi Seiko Ltd Rotary transmission device
JPH01301018A (en) * 1988-05-27 1989-12-05 Hitachi Koki Haramachi:Kk Torque detector for tapping machine
JPH0788705A (en) * 1993-09-17 1995-04-04 Nakamura Tome Precision Ind Co Ltd Spindle supporting structure for lathe

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020802A (en) * 1983-07-14 1985-02-02 Yoshizo Kitano Combined machine tool
JPS60232847A (en) * 1984-05-07 1985-11-19 Hitachi Seiko Ltd Rotary transmission device
JPH01301018A (en) * 1988-05-27 1989-12-05 Hitachi Koki Haramachi:Kk Torque detector for tapping machine
JPH0788705A (en) * 1993-09-17 1995-04-04 Nakamura Tome Precision Ind Co Ltd Spindle supporting structure for lathe

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