KR20210095574A - 공작기계 - Google Patents
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Abstract
Description
도 2는 일부의 커버를 떼어낸 공작기계의 사시도이다.
도 3은 기내 로봇에서 공작 대상물을 교환하는 상태를 나타내는 사시도이다.
도 4는 기내 로봇에 의한 공작 대상물 교환의 상태를 나타내는 모식도이다.
도 5는 기내 로봇에 의한 공작 대상물 교환의 상태를 나타내는 모식도이다.
도 6은 기내 로봇에 의한 공작 대상물 교환의 상태를 나타내는 모식도이다.
도 7은 기내 로봇에 의한 공작 대상물 교환의 상태를 나타내는 모식도이다.
도 8은 기내 로봇으로 공작 대상물을 교환하는 상태를 나타내는 사시도이다.
도 9는 기내 로봇으로 공작 대상물을 교환하는 상태를 나타내는 사시도이다.
도 10은 기내 로봇으로 공작 대상물을 교환하는 상태를 나타내는 사시도이다.
도 11은 엔드 이펙터 주변의 확대 사시도이다.
도 12는 제3 축이 수평한 기내 로봇의 움직임의 1예를 나타내는 도면이다.
도 13은 제3 축이 수평한 기내 로봇의 움직임의 1예를 나타내는 도면이다.
도 14는 제3 축이 경사진 기내 로봇의 움직임의 1예를 나타내는 도면이다.
도 15는 제3 축이 경사진 기내 로봇의 움직임의 1예를 나타내는 도면이다.
12: 가공실
14: 커버
16: 개구부
18: 도어
20: 주축대
21: 주축단
26: 척
30: 공구대
32: 터릿
36: 심압대
40: 기내 로봇
42: 근본 관절
44: 제2 관절
46: 제3 관절
48: 제4 관절
50: 제1 링크
52: 제2 링크
54: 제3 링크
56: 엔드 이펙터
57: 암
58: 링크 유닛
59: 컨트롤러
60: 공작 대상물 스토커
62: 지주
70: 추가의 엔드 이펙터
100: 공작 대상물
110: 공구
A1: 제1 축
A2: 제2 축
A3: 제3 축
Rw: 공작 대상물 회전축.
Claims (7)
- 가공실 내에 배치되고, 공작 대상물을 수평방향으로 평행한 공작 대상물 회전축 주위에 회전 가능하게 지탱하는 주축대와,
상기 가공실 내에 배치되고, 상기 공작 대상물 회전축에 평행한 제1 축 방향 및 상기 제1 축으로 직교하는 제2 축 방향으로 이동 가능하고, 공구를 지탱하는 공구대와,
상기 가공실 내에 배치되는 로봇과,
상기 가공실의 주위를 둘러싸는 커버와,
상기 커버에 설치되고, 상기 가공실의 내외를 연통하는 개구부와,
상기 개구부를 개폐 가능하게 덮는 도어를 구비하고,
상기 로봇은 상기 가공실 내에 고정되는 근본 관절과, 상기 근본 관절보다 선단측에 위치하는 동시에 서로 관절 연결된 복수의 링크를 가지는 링크 유닛을 구비하고,
상기 근본 관절은 상기 공작 대상물 회전축에 직교하는 방향으로 신축 가능한 직동관절이고, 상기 링크 유닛 전체를 상기 가공실 내에 위치시키는 길이와, 상기 링크 유닛 전체를 가공실 외에 위치시키는 길이 사이에 신축 가능한 직동관절인 것을 특징으로 하는 공작기계. - 제1 항에 있어서,
상기 복수의 링크는 모두 상기 근본 관절의 신축 방향과 평행한 축 주위로 회전 가능한 것을 특징으로 하는 공작기계. - 제2 항에 있어서,
상기 링크 유닛은,
근본 관절에 연결된 제1 링크와,
제2 관절을 통해서 상기 제1 링크에 연결된 제2 링크와,
제3 관절을 통해서 상기 제2 링크에 연결된 제3 링크와,
제4 관절을 통해서 상기 제3 링크에 연결된 엔드 이펙터를 포함하고,
제2 관절, 제3 관절, 및 제4 관절은 모두 상기 근본 관절의 신축 방향과 평행한 축 주위로 회전하는 회전관절인 것을 특징으로 하는 공작기계. - 제1 항에 있어서,
상기 제2 축은 상기 회전축에 근접함에 따라서 아래쪽으로 진행되도록, 수평면에 대하여 각도 θ만큼 경사져 있고, 상기 근본 관절의 신축 방향과 상기 제2 축이 이루는 각도는 θ/2 미만인 것을 특징으로 하는 공작기계. - 제4 항에 있어서,
상기 근본 관절의 신축 방향은 상기 제2 축과 평행방향인 것을 특징으로 하는 공작기계. - 제1 항에 있어서,
상기 공작기계가 수평 선반인 것을 특징으로 하는 공작기계. - 제1 항에 있어서,
상기 공작기계가 원통 연삭기인 것을 특징으로 하는 공작기계.
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