KR100916922B1 - Automatic chamfering machine of rotation form parts - Google Patents

Automatic chamfering machine of rotation form parts Download PDF

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KR100916922B1
KR100916922B1 KR1020080014806A KR20080014806A KR100916922B1 KR 100916922 B1 KR100916922 B1 KR 100916922B1 KR 1020080014806 A KR1020080014806 A KR 1020080014806A KR 20080014806 A KR20080014806 A KR 20080014806A KR 100916922 B1 KR100916922 B1 KR 100916922B1
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South Korea
Prior art keywords
rotating
shape
tool
rotating part
parts
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KR1020080014806A
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Korean (ko)
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KR20090089566A (en
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조성림
정윤교
황종대
박준우
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창원대학교 산학협력단
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/20—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00—Other grinding machines or devices
    • B24B27/0069—Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Milling Processes (AREA)

Abstract

본 발명은 회전형상을 가지는 부품을 자동으로 면취하는 자동면취기에 관한 것으로, 자동면취기의 작업대 하부 일측에 모터를 구비하고 모터는 감속장치를 구동시키며 감속장치에는 회전형상부품을 회전시키는 회전부가 베어링에 의하여 구비되어 회전부의 회전속도를 제어하고 회전부에는 회전형상부품이 고정되는 고정부에 진공흡착장치인 자바라가 구비되며 회전형상부품의 모서리를 면취하는 공구가 작업대 상부의 회전형상부품 외곽에 구비되어 회전부의 자바라에 의하여 고정된 회전형상부품이 회전하면서 자동으로 면취할 시에 회전형상부품에는 스크래치가 발생하지 않는 것을 특징으로 한다.The present invention relates to an automatic chamfering device for automatically chamfering a part having a rotational shape, comprising a motor on one side of the lower side of the workbench of the automatic chamfering machine, the motor drives the deceleration device and the reduction unit is a rotating part for rotating the rotational parts bearing It is provided by to control the rotational speed of the rotating part, the rotating part is provided with a bellows, a vacuum suction device is fixed to the rotating shape parts are fixed, and a tool for chamfering the corners of the rotating shape parts is provided on the outside of the rotating shape parts on the work table Scratch is not generated in the rotary shaped parts when the rotary shaped parts fixed by the bellows of the rotating part are automatically chamfered while rotating.

자동면취기, 진공흡착장치, 커터, 롤베어링, 회전형상부품 Automatic Chamfering Machine, Vacuum Suction Device, Cutter, Roll Bearing, Rotating Shape Parts

Description

회전형상부품의 자동면취기{Automatic chamfering machine of rotation form parts}Automatic chamfering machine of rotation form parts}

본 발명은 회전형상을 가지는 부품을 자동으로 면취하는 자동면취기에 관한 것으로, 상세하게는 드럼세탁기의 전면도어 내장부품 등 회전형상을 가지면서 미려한 표면상태와 면취를 요구하는 플라스틱사출물을 자동으로 면취하는 자동면취기에 관한 것이다.The present invention relates to an automatic chamfering device that automatically chamfers a part having a rotating shape, and more particularly, to automatically chamfer a plastic injection product requiring a beautiful surface state and chamfering while having a rotating shape such as a front door internal part of a drum washing machine. It is about automatic chamfering machine.

본 고안의 종래기술로는 도 1에서 도시한 바와 같이 등록실용신안 제20-0276137호가 있으며 그 구성을 살펴보면, 기체의 중앙에 가공소재(P)를 고정하는 베드(B)를 장치하고 베드의 상부에 안내가이드(103, 103') 및 안내바(102, 102')와 이송스크류(101)에 의해 X,Y,Z축으로 공구헤드가 이송가능케 구성되는 공지의 공작기계의 헤드부에 있어서, 회전축(2)의 내측에 작동축장치공(201)을 형성하여 하측에 공구취부홈(301)을 형성하고 상부에 면취면(303)을 가진 작동축(3)을 회전축(2)의 상,하 양단에 기밀구(302)를 투입하여 작동축장치공(201)에 투입하며 작동축(3)의 상측면취부(303) 및 무게추 고정부(306)는 회전축(2)과 결합된 덮게(5)의 면취공(501)의 상측으로 일정량 노출되게 하여 작동축(3)의 승,하강 작동폭의 여유를 두고 멈춤링(304)을 결합한 구성과, 작동축(3)의 외측 원주면과 회전축(2)의 작동축(3)장치공(201)의 내주면 사이에 압력발생홈(6)을 형성하고 회전축(2)의 일정부에 압력발생홈(6)과 연통되게 통공(202)을 형성하며 장치대(4)의 장치홈은 회전축(2)의 외경보다 다소 큰 내경을 갖도록하여 회전축(2)과 장치대(4)의 장치홈 사이에 공기가 통기되게 하고 장치대(4)에 공기공급구(402)를 형성하여 압축공기를 압력발생홈(6)에 투입하여 작동축(3)의 가압력을 조정할 수 있게 한 것을 특징으로 하는 자유곡면 면취용 연마기가 있었다.As a prior art of the present invention, there is a registration utility model No. 20-0276137 as shown in Figure 1 and look at the configuration, the bed (B) for fixing the processing material (P) in the center of the body and the top of the bed In the head portion of a known machine tool, which is configured such that the tool head can be transferred to the X, Y, and Z axes by the guide guides 103 and 103 ', the guide bars 102 and 102', and the feed screw 101, The operating shaft device hole 201 is formed inside the rotating shaft 2 to form the tool mounting groove 301 at the lower side, and the operating shaft 3 having the chamfering surface 303 at the top thereof is formed on the upper side of the rotating shaft 2. The airtight openings 302 are introduced into the lower ends of the air inlet into the operating shaft device hole 201, and the upper chamfering portion 303 and the weight fixing portion 306 of the operating shaft 3 cover the combined shaft 2. A configuration in which the stop ring 304 is coupled to allow a certain amount of exposure to the upper side of the chamfering hole 501 of (5) to allow the operation shaft 3 to rise and fall, and the outside of the operation shaft 3. A pressure generating groove 6 is formed between the main surface and the inner circumferential surface of the operating hole 3 of the operating shaft 3 of the rotating shaft 2, and the through hole 202 communicates with the pressure generating groove 6 at a predetermined portion of the rotating shaft 2. And the device groove of the device table 4 has an inner diameter somewhat larger than the outer diameter of the rotation shaft 2 to allow air to be vented between the device and the device groove of the device shaft 4. There was a free-form chamfering grinder, characterized in that the air supply port 402 was formed to allow the compressed air into the pressure generating groove 6 to adjust the pressing force of the operating shaft 3.

그러나 상기 종래기술은 구성이 복잡하여 제작이 어렵다는 문제점과 제작비용이 상승하고 유지보수가 어렵다는 문제점이 있었으며, 정교한 면취가 어려고 면취시에 제품에 스크래치가 발생하여 2차불량이 발생한다는 문제점이 있었다.However, the prior art has a problem in that the configuration is difficult to manufacture and the manufacturing cost is increased and the maintenance is difficult, and there is a problem that secondary defects occur due to scratches on the product in order to avoid sophisticated chamfering. .

본 발명은 상기의 문제점을 해결하기 위한 것으로 간단한 구성으로도 회전형상부품의 면취를 자동으로 할 수 있게 하며 정교한 면취를 가능하게 하여 회전형상의 부품이 면취후에도 미려한 표면상태를 가지도록 하는데 그 목적이 있다.The present invention has been made to solve the above problems, it is possible to automatically chamfer the rotatable parts even with a simple configuration and to enable precise chamfering so that the rotatable parts have a beautiful surface state after chamfering. have.

본 발명은 상술한 바와 같이 형상이 일정하지 않은 부품의 모서리를 자동으로 면취하는 장치를 구비하여 진원도가 일정하지 않더라도 정교한 면취를 가능하게 하는 효과와, 회전형상부품을 진공흡착식으로 작업대에 고정하므로 스크래치가 발생하지 않아 외관불량을 방지하는 효과도 있다.The present invention is provided with a device for automatically chamfering the corners of the parts having a non-uniform shape as described above to enable precise chamfering even if the roundness is not constant, and scratches to fix the rotary shaped parts to the work table by vacuum adsorption There is no effect of preventing appearance defects.

본 발명은 회전형상부품의 자동면취기에 관한 것으로, 상세한 설명은 첨부된 도면을 참조하여 설명하기로 한다.The present invention relates to an automatic chamfering device of the rotational shape, the detailed description will be described with reference to the accompanying drawings.

도 2는 본 발명 자동면취기의 구동개념을 도시한 단면도로서 a)는 평면도이고 b)는 정단면도이며 c)는 측단면도이고, 도 3는 본 발명 자동면취기의 공구에 관한 상세도로서 a)는 평면도이고 b)는 측면도이며, 도 4는 본 발명 자동면취기의 회 전형상부품을 고정하는 고정부에 대한 상세도로서 a)는 측면도이고 b)는 고정부의 확대도이다.2 is a cross-sectional view showing a driving concept of the automatic chamfering device of the present invention, a) is a plan view, b) is a front sectional view, c) is a side sectional view, and FIG. 3 is a detailed view of a tool of the present invention. A) is a plan view, b) is a side view, and FIG. 4 is a detailed view of a fixing part for fixing the rotating part of the present invention, wherein a) is a side view and b) is an enlarged view of the fixing part.

드럼세탁기의 전면도어 등의 회전형상을 가지는 부품은 통상 사출품으로 제작되는데, 내부형상이 복잡할 경우 사출 응고시 불균일한 수축률에 의한 진원도 불량 및 치수정밀도 저하와 이에 따른 형상변형이 발생하므로 변형된 형상을 고려하여 형상인식형 자동면취장치가 필요하므로 본 발명은 반경이 일정하지 않은 회전형상 제품의 모서리부 면취를 자동으로 수행하는 자동면취기에 관한 것이다.Parts that have rotational shapes, such as the front door of a drum washing machine, are usually made of injection molded products.If the internal shape is complicated, the roundness and poor dimensional accuracy due to non-uniform shrinkage rate during injection coagulation are deteriorated due to the shape deformation. Since a shape recognition type automatic chamfering device is required in consideration of the shape, the present invention relates to an automatic chamfering machine that automatically performs corner chamfering of a rotating product having a constant radius.

도 2는 본 발명 자동면취기의 구동개념을 도시한 단면도로서 a)는 평면도이고 b)는 정단면도이며 c)는 측단면도인데, 구성을 설명하자면 자동면취기(200)는 작업대(210) 하부 일측에 모터(220)가 구비되고, 모터(220)는 작업대(210)의 상부에 구비된 감속장치(230)를 구동시키며, 감속장치(230)에는 회전형상부품(270)을 회전시키는 회전부(250)가 베어링(231)에 의하여 구비되어 회전부(250)의 회전속도를 제어하고, 회전형상부품(270)이 진공흡착장치인 자바라(252)에 의하여 고정되는 고정부(251)가 회전하므로 회전형상부품(270)이 회전하면서 면취될 경우에도 제품에는 스크래치(일명 흠집)가 발생하지 않고, 회전형상부품(270)의 모서리를 면취할 수 있는 공구(240)가 작업대(210)의 회전형상부품(270)의 외곽에 구비된다.Figure 2 is a cross-sectional view showing a driving concept of the automatic chamfering device of the present invention a) is a plan view, b) is a front cross-sectional view and c) is a side cross-sectional view, the configuration of the automatic chamfer 200 is a work table 210 lower A motor 220 is provided at one side, and the motor 220 drives the deceleration device 230 provided at the upper portion of the work table 210, and the deceleration device 230 includes a rotating part for rotating the rotary shaped part 270 ( 250 is provided by the bearing 231 to control the rotational speed of the rotating part 250, and the rotating part 270 is rotated because the fixing part 251, which is fixed by the bellows 252, which is a vacuum suction device rotates. Even when the shape part 270 is chamfered while rotating, the product 240 does not have scratches (also known as scratches), and the tool 240 which can chamfer the corners of the rotational shape part 270 has a rotating shape part of the work table 210. 270 is provided on the outside.

도 3는 본 발명 자동면취기(200)의 상부에 구비된 공구(240)에 관한 상세도로서 a)는 평면도이고 b)는 측면도인데, 구성을 살펴보면 회전형상부품(270)의 모서리를 면취하는 공구(240)에 관한 것으로 공구(240)에는 회전형상부품(270)의 모서리를 직접 면취하는 커터(241)가 구비되며, 커터(241)의 하부 일측에는 회전형상 부품(270)의 형상에 따라 커터(241)의 위치를 결정해주는 롤베어링(242, 243)이 구비되어 있다.3 is a detailed view of the tool 240 provided on the upper portion of the automatic chamfering device 200 of the present invention, a) is a plan view and b) is a side view. Regarding the tool 240, the tool 240 includes a cutter 241 that directly chamfers the corners of the rotary component 270, and a lower side of the cutter 241 according to the shape of the rotary component 270. Roll bearings 242 and 243 are provided to determine the position of the cutter 241.

상기의 구성을 좀더 상세하게 설명하자면 회전형상부품(270)의 상부에는 상하이송 롤베어링(242)이 구비되어 회전형상부품(270)의 높이에 따라 공구(240)의 커터(241)를 이송시켜 위치를 결정해주고, 회전형상부품(270)의 측면에는 전후이송 롤베어링(243)이 구비되어 회전형상부품(270)의 폭에 따라 공구(240)의 커터(241)를 이송시켜 위치를 결정해주는 구성이다.To describe the above configuration in more detail, a shanghai roll bearing 242 is provided on the upper portion of the rotary member 270 to transfer the cutter 241 of the tool 240 according to the height of the rotary member 270. Determine the position, and the front and rear conveying roll bearings 243 is provided on the side of the rotary member 270 to transfer the cutter 241 of the tool 240 according to the width of the rotary member 270 to determine the position Configuration.

도 4는 본 발명 자동면취기의 회전형상부품을 고정하는 고정부에 대한 상세도로서 a)는 측면도이고 b)는 고정부의 확대도인데, 구성을 살펴보면 감속기(230)와 회전부(250)의 사이에는 베어링(231)이 구비되어 감속기(230)가 회전부(250)를 회전시킴과 동시에 속도도 제어한다.Figure 4 is a detailed view of the fixing part for fixing the rotating shape parts of the automatic chamfering machine of the present invention a) is a side view and b) is an enlarged view of the fixing part, looking at the configuration of the reducer 230 and the rotating part 250 The bearing 231 is provided therebetween so that the speed reducer 230 rotates the rotating part 250 and at the same time controls the speed.

또한 회전부(250)에는 회전형상부품(270)이 진공흡착장치인 자바라(252)에 의하여 고정되는 고정부(251)가 회전하므로 회전형상부품(270)이 회전하면서 면취되어도 제품에는 스크래치가 발생하지 않게 되어 면취 후 회전형상부품(270)에 어떠한 흠집이 발생하지 않아 면취로 인한 2차 외곽불량을 방지할 수 있게 한 구성이다.In addition, since the fixing part 251 in which the rotating part 270 is fixed by the bellows 252, which is a vacuum suction device, rotates on the rotating part 250, no scratches occur in the product even when the rotating part 270 is chamfered while rotating. After the chamfering, any scratches do not occur in the rotatable part 270, thereby preventing the secondary outer defect due to the chamfering.

그리고 회전형상부품(270)의 내측 공간에 회전부(250)로부터 돌출된 가이드포스트(260)를 구비하여 반경이 변하거나 형상이 변하여도 회전부(250)와 회전형상부품(270)이 범용적으로 밀착할 수 있게 하였다.In addition, a guide post 260 protruding from the rotating part 250 is provided in the inner space of the rotating part 270 so that the rotating part 250 and the rotating part 270 are in close contact with each other even if the radius is changed or the shape is changed. I could do it.

본 고안은 공압을 이용하여 제품 모서리에 접촉 및 가공할 때 공구의 허용 이송한계를 벗어나면 리미트스위치에 의하여 신호를 발생시키거나 소리를 발생시켜 운전원이 주의를 할 수 있게 할 수 있고, 공구대가 1회 가공 후 원위치로 복귀할 때 리미트 스위치를 접촉하여 1회 카운팅하여 대량생산 시 공구의 교체시기를 알려줄 수도 있다.The present invention can generate a signal or a sound by the limit switch so that the operator can pay attention when the tool is out of the allowable feed limit when contacting and machining the product edge using pneumatic. When returning to the original position after the machining, the limit switch can be touched once to indicate when to replace the tool during mass production.

도 1은 종래 면취기에 대한 구성도1 is a configuration diagram for a conventional chamfering machine

도 2는 본 발명 자동면취기의 구동개념을 도시한 단면도로서 a)는 평면도, b)는 정단면도, c)는 측단면도Figure 2 is a cross-sectional view showing a driving concept of the automatic chamfering device of the present invention a) is a plan view, b) is a front cross-sectional view, c) is a side cross-sectional view

도 3는 본 발명 자동면취기의 공구에 관한 상세도로서 a)는 평면도, b)는 측면도Figure 3 is a detailed view of the tool of the present invention chamfering a) is a plan view, b) is a side view

도 4는 본 발명 자동면취기의 회전형상부품을 고정하는 고정부에 대한 상세도로서 a)는 측면도, b)는 고정부의 확대도Figure 4 is a detailed view of a fixing part for fixing the rotating shaped parts of the automatic chamfering machine of the present invention a) is a side view, b) is an enlarged view of the fixing part

※ 도면의 주요부분에 대한 부호의 설명※ Explanation of code for main part of drawing

200. 자동면취기 210. 작업대200. Automatic Chamfering Machine 210. Work Table

220. 모터 230. 감속장치220. Motor 230. Reduction Gear

231. 베어링 240. 공구231. Bearing 240. Tool

241. 커터 242. 상하이송 롤베어링241. Cutter 242. Shanghai Song Roll Bearing

243. 전후이송 롤베어링 250. 회전부243. Forward and Backward Rolling Bearings 250. Swivels

251. 고정부 252. 자바라251. Fixed part 252. Bellows

260. 가이드포스트 270. 회전형상부품260. Guide post 270. Rotating parts

Claims (3)

삭제delete 원형이나 회전형상을 가지는 제품의 모서리를 자동으로 면취하는 자동면취기(200)의 작업대(210) 하부 일측에 구비되는 모터(220)가 감속장치(230)를 구동시키며 감속장치에는 회전형상부품(270)을 회전시키는 회전부(250)가 베어링(231)에 의하여 구비되어 회전부의 회전속도를 제어하고 회전부에는 회전형상부품이 고정되는 고정부에 진공흡착장치인 자바라(252)가 구비되며 회전형상부품의 모서리를 면취하는 공구(240)가 작업대 상부의 회전형상부품 외곽에 구비되어 회전형상부품이 회전하면서 자동으로 면취할 시에 스크래치가 발생하지 않게 하는 회전형상부품의 자동면취기에 있어서,The motor 220 provided on one side of the lower surface of the workbench 210 of the automatic chamfer 200 that automatically chamfers a product having a circular shape or a rotational shape drives the reduction device 230, and the reduction device includes a rotational shape part ( The rotating part 250 for rotating the 270 is provided by the bearing 231 to control the rotational speed of the rotating part, and the rotating part is provided with a bellows 252, which is a vacuum suction device, in which the rotating shape part is fixed. In the automatic chamfering machine of the rotating component is provided with a tool 240 to chamfer the edge of the upper surface of the workbench to prevent scratches when the rotating member is automatically chamfered while rotating, 공구(240)는 회전형상부품(270)의 모서리를 직접 면취하는 커터(241)가 구비되고, 커터의 하부에는 회전형상부품의 상부에 접촉하는 상하이송 롤베어링(242)이 구비되어 회전형상부품의 높이에 따라 공구의 커터를 상하로 이송시켜주고, 회전형상부품의 측면에 접촉하는 전후이송 롤베어링(243)이 구비되어 회전형상부품의 폭에 따라 공구의 커터를 전후로 이송시켜주는 것을 특징으로 하는 회전형상부품의 자동면취기.Tool 240 is provided with a cutter 241 to directly chamfer the edge of the rotary part 270, the lower portion of the cutter is provided with a shank-song roll bearing 242 in contact with the upper portion of the rotary shape parts The cutter of the tool is transported up and down according to the height of the tool, and the front and rear conveying roll bearings 243 are provided to contact the sides of the rotary part, and the cutter of the tool is transported back and forth according to the width of the rotary part. Automatic chamfering machine for rotating parts 제 2항에 있어서, 회전부(250)에는 회전형상부품(270)의 내측 공간으로 돌출된 가이드포스트(260)를 구비하여 회전형상부품의 반경이나 형상이 변하여도 회전부와 회전형상부품이 밀착할 수 있게 한 것을 특징으로 하는 회전형상부품의 자동면취기.The rotating part 250 is provided with a guide post 260 protruding into an inner space of the rotating part 270 so that the rotating part and the rotating part may be in close contact with each other even if the radius or shape of the rotating part is changed. Automatic chamfering of the rotating shape parts, characterized in that.
KR1020080014806A 2008-02-19 2008-02-19 Automatic chamfering machine of rotation form parts KR100916922B1 (en)

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CN105500141A (en) * 2015-12-29 2016-04-20 苏州市诚品精密机械有限公司 Edger unit for cylindrical workpieces
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CN110370543B (en) * 2019-08-05 2020-03-31 东莞市艾尔玛塑件科技有限公司 High-efficient environmental protection plastics injection molding machine
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