KR100707374B1 - Securing device for a movable operation board in a turning center - Google Patents

Securing device for a movable operation board in a turning center Download PDF

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Publication number
KR100707374B1
KR100707374B1 KR1020050130306A KR20050130306A KR100707374B1 KR 100707374 B1 KR100707374 B1 KR 100707374B1 KR 1020050130306 A KR1020050130306 A KR 1020050130306A KR 20050130306 A KR20050130306 A KR 20050130306A KR 100707374 B1 KR100707374 B1 KR 100707374B1
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KR
South Korea
Prior art keywords
turning center
cnc turning
control panel
stopper
groove
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KR1020050130306A
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Korean (ko)
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이경조
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두산인프라코어 주식회사
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Priority to KR1020050130306A priority Critical patent/KR100707374B1/en
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    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
    • B23Q1/0045—Control panels or boxes
    • 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
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • 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
    • B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
    • B23Q5/54—Arrangements or details not restricted to group B23Q5/02 or group B23Q5/22 respectively, e.g. control handles
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
    • G05B19/409—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using manual data input [MDI] or by using control panel, e.g. controlling functions with the panel; characterised by control panel details or by setting parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Vibration Dampers (AREA)

Abstract

본 발명은 CNC 터닝센터의 전면에 장착되며 하부에 레일을 구비하여 레일을 따라 좌우로 이동하는 이동식 조작반에 관한 것으로, 특히 CNC 터닝센터의 조작반의 충격흡수 및 정지시 외부요인의 의해 조작반의 움직임을 고정하기 위한 CNC 터닝센터의 이동식 조작반 고정장치에 관한 것이다.The present invention relates to a mobile control panel mounted on the front of the CNC turning center and having a rail at the bottom thereof to move left and right along the rail. In particular, the movement of the control panel by external factors during shock absorption and stoppage of the control panel of the CNC turning center. A mobile control panel fixing device of a CNC turning center for fixing.

이를 위해, 본 발명의 고정장치는 이동식 조작반의 하부 일측에 장착되며 내부에 홈이 형성된 블럭쿠션과, 상기 블럭쿠션의 홈에 삽입되는 스토퍼와, 상기 블럭쿠션의 홈에 대응하는 CNC 터닝센터의 일면에 장착하여 상기 스토퍼를 고정하는 브라켓으로 이루어진 것이 특징이다.To this end, the fixing device of the present invention is mounted on one side of the lower side of the movable operation panel and has a groove formed therein, a stopper inserted into the groove of the block cushion, and one side of the CNC turning center corresponding to the groove of the block cushion. It is characterized by consisting of a bracket fixed to the stopper by mounting on.

공작기계, 이동식 조작반, 고정장치, 스토퍼, CNC 터닝센터 Machine Tools, Mobile Operator Panels, Fixtures, Stoppers, CNC Turning Centers

Description

ＣＮＣ 터닝센터의 이동식 조작반 고정장치{Securing Device for a Movable Operation Board in a Turning Center}Securing Device for a Movable Operation Board in a Turning Center

도 1은 본 발명이 장착된 CNC 터닝센터의 정면도,1 is a front view of a CNC turning center equipped with the present invention,

도 2는 도 1의 A부분 확대도 및 본 발명의 요부가 서로 결합된 상태를 나타낸 평단면도,2 is an enlarged view of a portion A of FIG. 1 and a planar cross-sectional view illustrating a state in which main parts of the present invention are coupled to each other;

도 3은 도 1의 A부분 확대도 및 본 발명의 요부가 서로 결합 해제된 상태를 나타낸 평단면도이다.3 is an enlarged cross-sectional view of portion A of FIG. 1 and a cross-sectional view illustrating a state in which main parts of the present invention are uncoupled from each other.

< 도면 주요 부분에 대한 부호의 설명 ><Description of the code | symbol about the principal part of drawings>

1: 조작반 2: 레일1: control panel 2: rail

3: 레일이동수단 10: 스토퍼3: rail moving means 10: stopper

10a, 20a: 요철부 10b, 21: 홈10a, 20a: uneven portion 10b, 21: groove

20: 블럭쿠션 20b: 볼트20: Block Cushion 20b: Bolt

20c: 나사 30: 브라켓20c: screw 30: bracket

본 발명은 CNC 터닝센터의 전면에 장착되며 하부에 레일을 구비하여 레일을 따라 좌우로 이동하는 이동식 조작반에 관한 것으로, 특히 조작반의 충격흡수 및 정지시 외부요인의 의해 조작반의 움직임을 고정하기 위한 CNC 터닝센터의 이동식 조작반 고정장치에 관한 것이다.The present invention relates to a mobile control panel mounted on the front of the CNC turning center and provided with a rail at the bottom and moving left and right along the rail. A mobile control panel fixing device for a turning center.

일반적으로 Z축 이송거리가 긴 공작기계에서는 예컨데, CNC 터닝센터에서 기계 조작이나 기타 작업을 위해 조작 스위치가 장착된 이동식 조작반을 레일을 통해 공작물 근처로 이동시켜서 조작을 수행하여 작업을 완료한 후, 조작반을 원래의 위치된 곳에 이동시킨 다음 장비를 운전하게 된다.In general, for a machine tool with a long Z-axis, for example, in a CNC turning center, a movable control panel equipped with an operation switch is moved near a workpiece through a rail to perform a machine operation or other operations. The operator will then move the unit to its original location and then operate the machine.

이러한 과정에서 종래의 조작반 고정장치는 원래의 위치에 조작반을 이동시킬 때에 조작반이 레일에서 벗어나지 않도록 레일의 끝단에 브라켓(외부가 고무로 둘러싼)을 장착한 것이 고작이였다.In this process, the conventional operation panel fixing device has only been equipped with a bracket (outer-surrounded by rubber) at the end of the rail so that the operation panel does not deviate from the rail when the operation panel is moved to its original position.

때문에, 작업자가 수동으로 조작반을 원래 위치에 이동시킬 때, 작업자가 무리한 힘으로 이동을 시키면 조작반이 브라켓에 부딪혀 튕김현상을 일으키며, 이러한 현상으로 인해 조작반의 내부 구성중, 외부 충격에 민감한 부품의 경우에는 파손의 우려가 있었던 것이다.Therefore, when the operator manually moves the operation panel to the original position, if the operator moves with excessive force, the operation panel collides with the bracket, causing the phenomenon to be bounced. There was a risk of breakage.

또한, 작업자가 조작반을 브라켓에 충격없이 정지시켰다 할지라도 조작반을 고정하는 장치가 없어서 공작물을 가공하는 CNC 터닝센터의 운전중에 조작반이 좌우로 유동을 하여 소재 로딩시 간섭을 일으키고 특히, 자동 운전중에는 장비 관찰을 하여야 하는 작업자의 시야를 방해하는 문제점이 있었다.In addition, even if the operator stops the operation panel without impacting the bracket, there is no device to fix the operation panel, so the operation panel flows from side to side during the operation of the CNC turning center that processes the workpiece, causing interference during material loading, especially during automatic operation. There was a problem that obstructed the view of the worker to be observed.

따라서, 본 발명은 상기와 같은 문제점을 보완하기 위해 안출된 것으로, 본 발명의 목적은 조작반의 내부부품이 손상되는 일을 방지하고, 정지된 상태를 지속시키기 위한 CNC 터닝센터의 이동식 조작반 고정장치를 제공함에 그 목적이 있다.Therefore, the present invention has been made to solve the above problems, an object of the present invention is to prevent the damage to the internal parts of the operation panel, and to maintain a stationary mobile control panel of the CNC turning center for continuing The purpose is to provide.

상기와 같은 본 발명의 목적은 CNC 터닝센터의 전면에 장착된 이동식 조작반의 하부 일측에 내부가 홈으로 형성된 블럭쿠션을 장착하고, 상기 블럭쿠션의 홈에는 일단이 삽입되는 스토퍼를 구비하며, 상기 블럭쿠션의 홈에 대응되는 CNC 터닝센터의 일면에 장착되어 스토퍼를 고정한 브라켓으로 구비한 것에 의해 달성된다.An object of the present invention as described above is equipped with a block cushion formed with a groove inside the lower side of the movable control panel mounted on the front of the CNC turning center, the groove of the block cushion is provided with a stopper is inserted into one end, the block This is achieved by having a stopper fixed bracket mounted on one surface of the CNC turning center corresponding to the groove of the cushion.

한편, 상기 내부가 홈으로 형성된 블럭쿠션은 탄성재로 구비하는 것이 바람직하다.On the other hand, the inside of the block cushion formed with a groove is preferably provided with an elastic material.

또한, 상기 블럭쿠션의 홈과 상기 스토퍼의 외경은 동일한 형상의 요철부로 이루어져야 바람직하다.In addition, the outer diameter of the groove of the block cushion and the stopper is preferably made of an uneven portion of the same shape.

한편, 이 바람직한 실시예를 통해 본 발명의 목적, 기타의 목적, 특징 및 이점은 예시할 목적으로 도시한 첨부 도면과 관련해서 본 발명에 의한 실시예를 가지고 이하의 설명으로부터 보다 명백해질 것이다.On the other hand, through this preferred embodiment the objects, other objects, features and advantages of the present invention will become more apparent from the following description with an embodiment according to the present invention in connection with the accompanying drawings shown for the purpose of illustration.

이하, 첨부한 도면을 참조하여 본 발명에 의한 자동팰릿교환장치의 오토도어 구동장치의 바람직한 실시예를 상세히 설명하기로 한다.Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the automatic door driving device of the automatic pallet changing apparatus according to the present invention.

또한, 설명에 사용되는 각 도면에 있어서, 같은 구성성분에 관해서는 동일한 번호를 부여하여 표시하고 그 중복되는 설명은 생략한다.In addition, in each figure used for description, the same code | symbol is attached | subjected about the same component, and the overlapping description is abbreviate | omitted.

도 1은 본 발명의 요부인 A부분을 CNC 터닝센터의 조작반 하부에 장착한 상태를 나타낸 CNC 터닝센터의 정면도이며, 도 2는 도 1의 A부분을 확대하여 스토퍼와 블럭쿠션이 결합된 상태를 나타낸 평단면도이다.FIG. 1 is a front view of a CNC turning center showing a state in which a main part A of the present invention is mounted on a lower operating panel of a CNC turning center, and FIG. 2 is an enlarged view of part A of FIG. It is the flat sectional drawing shown.

그리고, 도 3은 스토퍼와 블럭쿠션이 서로 해제된 상태를 나타낸 평단면도이다.3 is a plan sectional view showing a state in which the stopper and the block cushion are released from each other.

상기 예시할 목적으로 도시한 도면 1 내지 3을 참조하여 본 발명을 설명하면 다음과 같다.Referring to the drawings 1 to 3 shown for the purpose of illustrating the present invention will be described.

먼저, 도 1을 살펴보면, 본 발명이 CNC 터닝센터의 조작반 하부에 구비된 것을 알 수 있으며, 조작반이 있어야 할 원래 위치를 알 수 있다.First, referring to Figure 1, it can be seen that the present invention is provided below the operating panel of the CNC turning center, it can be seen the original position where the operating panel should be.

이를 토대로 도 2 및 도 3을 살펴보면, 본 발명은 조작반(1)이 구비되고, 상기 조작반(1)이 이동하게 레일(2)이 구비되고 상기 조작반(1)을 이동시키는 이동수단(3)이 구비된 CNC 터닝센터의 조작반(1)에서, 조작반(1)이 원래 위치에 있게될 레일(2)의 끝단에는 레일(2)과 대응되며 소정간격 만큼 이격된 곳에 브라켓(30)이 CNC 터닝센터의 일면에 볼트(31)에 의해 결합되어 있다.2 and 3 on the basis of this, the present invention is provided with a control panel (1), a rail (2) is provided so that the operation panel 1 is moved and a moving means (3) for moving the operation panel (1) In the operating panel 1 of the equipped CNC turning center, the end of the rail 2 at which the operating panel 1 is to be in its original position corresponds to the rail 2 and is spaced by a predetermined distance from the bracket 30 to the CNC turning center. It is coupled by a bolt 31 on one side of the.

이렇게 결합된 브라켓(30)에는 스토퍼(10)가 장착되어 있는데, 상기 스토퍼(10)는 내경에는 소정의 지름만큼 형성된 홈(10b)이 있고, 외경은 요철부(10a)로 이루어져 있다.The stopper 10 is mounted on the coupled bracket 30, and the stopper 10 has a groove 10b formed by a predetermined diameter in an inner diameter thereof, and an outer diameter thereof includes an uneven portion 10a.

또한, 상기 스토퍼(10)의 홈(10b)에 볼트(30a)가 삽입되고 상기 볼트(30a)는 브라켓(30)을 관통하여 나사(30b)와 결합하여 스토퍼(10)를 브라켓(30)에 고정시킨 다.In addition, the bolt 30a is inserted into the groove 10b of the stopper 10, and the bolt 30a penetrates the bracket 30 and engages with the screw 30b to attach the stopper 10 to the bracket 30. Secure it.

한편, 조작반(1)의 하단의 우측면엔 블럭쿠션(20)이 볼트(20b)와 나사(20c)에 의해 장착되어 있다.On the other hand, the block cushion 20 is attached to the right side of the lower end of the operation panel 1 by the bolt 20b and the screw 20c.

상기 블럭쿠션(20)은 내경이 홈(21)으로 형성되어 있고, 탄성력이 작용하는 고무로 이루어져 있으며, 상기 스토퍼(10)의 외경보다 지름이 짧아야 바람직하다.The block cushion 20 is formed with a groove 21 of an inner diameter, made of rubber to which elastic force is applied, and preferably shorter than an outer diameter of the stopper 10.

또한, 블럭쿠션(20)의 내경은 요철부(20a)로 형성되어 있다.In addition, the inner diameter of the block cushion 20 is formed with the uneven part 20a.

이러한 블럭쿠션(20)의 요철부(20a)는 상기 스토퍼(10)의 요철부(10a)와 맞물려 조작반(1)이 쉽게 움직이지 못하도록 한다.The uneven portion 20a of the block cushion 20 meshes with the uneven portion 10a of the stopper 10 to prevent the operation panel 1 from easily moving.

상기 구성으로 이루어진 본 발명에 따른 CNC 터닝센터의 이동식 조작반 고정장치는 다음과 같은 작용을 한다.The movable control panel fixing device of the CNC turning center according to the present invention having the above configuration serves as follows.

CNC 터닝센터에서 소재가공시 정면에 구비된 도어가 열리고 작업자는 조작반(1)을 소재가공위치와 가까운 곳에 이동시키고 조작반(1)을 이용하여 소재가공에 필요한 조작을 완료한다.In the CNC turning center, the door provided at the front when the material is processed is opened and the operator moves the operation panel 1 close to the material processing position and completes the operation required for the material processing by using the operation panel 1.

그리고, 조작반(1)을 원래의 위치에 이동시키고 소재가공을 관찰하는데 이때, 조작반(1)의 하부에 장착된 블럭쿠션(20)은 브라켓(30)에 고정되어 있는 스토퍼(10)와 결합하게 된다.Then, the operation panel 1 is moved to its original position and the workpiece is processed. At this time, the block cushion 20 mounted on the lower part of the operation panel 1 is coupled to the stopper 10 fixed to the bracket 30. do.

결합되는 상태는 블럭쿠션(20)의 내경에 형성된 홈(21)에 요철부(20a)가 바깥측이 벌어지며 스토퍼(10)와 결합되게 된다.In the coupled state, the convex-concave portion 20a is opened to the groove 21 formed in the inner diameter of the block cushion 20 to be coupled to the stopper 10.

이렇게 결합된 블럭쿠션(20)과 스토퍼(10)는 서로의 요철부(20a, 21)로 맞 물려 있기 때문에 쉽게 이탈하지 않는다.The combined block cushion 20 and the stopper 10 are not easily separated because they are engaged with the uneven parts 20a and 21 of each other.

또한, 블럭쿠션(20)의 내경이 스토퍼(10)의 외경보다 작으므로 블럭쿠션(20)의 바깥쪽부터 벌어지면서 스토퍼(10)가 삽입이 되므로 쿠션작용을 이루어진다.In addition, since the inner diameter of the block cushion 20 is smaller than the outer diameter of the stopper 10, the stopper 10 is inserted while opening from the outside of the block cushion 20, thereby making a cushioning function.

이상과 같이, 본 발명의 특정한 실시예가 설명 및 도시되었지만 본 발명이 당업자에 의해 다양하게 변형되어 실시될 가능성이 있는 것은 자명한 일이고, 이와 같은 변형된 실시예들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해되어져서는 안되며, 본 발명의 첨부된 청구범위 안에 속한다 해야 할 것이다.As described above, although specific embodiments of the present invention have been described and illustrated, it will be apparent that the present invention may be variously modified and implemented by those skilled in the art, and such modified embodiments may be modified from the technical idea or the prospect of the present invention. It should not be understood individually but should fall within the appended claims of the present invention.

상기 상술한 바와 같이 본 발명에 따른 CNC 터닝센터의 이동식 조작반 고정장치의 사용으로, 작업자의 실수로 조작반의 내부부품이 손상되는 일을 방지하고, 정지된 상태를 지속시킬 수 있어 자동운전시 작업자의 시야를 밝히고, 장비의 로딩시 소재의 간섭을 일으키지 않는 효과가 있다.As described above, by using the movable control panel fixing device of the CNC turning center according to the present invention, it is possible to prevent the internal parts of the operation panel from being accidentally damaged by the operator and to maintain the stopped state. Brightens the field of view and does not cause interference of materials when loading the equipment.

Claims (3)

CNC 터닝센터의 전면에 장착되며 하부에 레일을 구비하여 레일을 따라 좌우로 이동하는 조작반의 고정장치에 있어서,In the fixing device of the operating panel mounted on the front of the CNC turning center and having a rail at the bottom to move left and right along the rail, 상기 조작반(1)의 하부 일측에 장착되며 내부에 홈(21)이 형성된 블럭쿠션(20)과;A block cushion 20 mounted on one side of the lower side of the operation panel 1 and having a groove 21 formed therein; 상기 블럭쿠션(20)의 홈(21)에 일단이 삽입되는 스토퍼(10)와;A stopper 10 having one end inserted into the groove 21 of the block cushion 20; 상기 스토퍼(10)를 고정하고 상기 블럭쿠션(20)의 홈(21)에 대응하는 CNC 터닝센터의 일면에 장착되는 브라켓(30)으로 이루어진 것이 특징인 CNC 터닝센터의 이동식 조작반 고정장치.Fixing the stopper (10) and the movable control panel fixing device of the CNC turning center, characterized in that consisting of a bracket (30) mounted on one surface of the CNC turning center corresponding to the groove (21) of the block cushion (20). 제 1항에 있어서,The method of claim 1, 상기 블럭쿠션(20)은 탄성재로 이루어진 것을 특징으로 CNC 터닝센터의 이동식 조작반 고정장치.The block cushion 20 is a movable control panel fixing device of the CNC turning center, characterized in that made of an elastic material. 제 1항에 있어서,The method of claim 1, 상기 블럭쿠션(20)의 홈(21)과 상기 스토퍼(10)의 외경은 동일한 형상의 요철부(20a, 10a)로 이루어진 것을 특징으로 하는 CNC 터닝센터의 이동식 조작반 고정장치.The outer diameter of the groove 21 and the stopper 10 of the block cushion 20 is a movable control panel fixing device of the CNC turning center, characterized in that the concave-convex portion (20a, 10a) of the same shape.
KR1020050130306A 2005-12-27 2005-12-27 Securing device for a movable operation board in a turning center KR100707374B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0637442Y2 (en) * 1988-09-27 1994-09-28 日立精機株式会社 Control panel for shiftable numerical control device
JPH09267230A (en) * 1996-03-29 1997-10-14 Hitachi Seiki Co Ltd Operation panel for machine tool
JP2001105255A (en) * 1999-10-12 2001-04-17 Horkos Corp Operation board device for machining center

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0637442Y2 (en) * 1988-09-27 1994-09-28 日立精機株式会社 Control panel for shiftable numerical control device
JPH09267230A (en) * 1996-03-29 1997-10-14 Hitachi Seiki Co Ltd Operation panel for machine tool
JP2001105255A (en) * 1999-10-12 2001-04-17 Horkos Corp Operation board device for machining center

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