KR100883533B1 - Insert injection molding work method - Google Patents
Insert injection molding work method Download PDFInfo
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- KR100883533B1 KR100883533B1 KR1020070141742A KR20070141742A KR100883533B1 KR 100883533 B1 KR100883533 B1 KR 100883533B1 KR 1020070141742 A KR1020070141742 A KR 1020070141742A KR 20070141742 A KR20070141742 A KR 20070141742A KR 100883533 B1 KR100883533 B1 KR 100883533B1
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- bearing housing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/7207—Heating or cooling of the moulded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
- B29C45/0055—Shaping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14008—Inserting articles into the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/42—Removing or ejecting moulded articles using means movable from outside the mould between mould parts, e.g. robots
Abstract
Description
본 발명은 여러 복합형태로 사출되는 사출제품에 있어 대형 사출제품의 경우 마모가 심한 부분에 금속물질의 이용하여 1차적인 인서트 작업이 후 다음 작업단계에서 사출제품을 2차 가공시 사출제품에서 열을 많이 머금고 있는 사출 두께가 다소 두터운 부분에 냉각 공기를 불어 빠른시간 내에 냉각시켜 2차 가공시 변형되지 않고 가공할 수 있도록 한 인서트 사출성형 작업방법에 관한 것이다.In the present invention, in the case of injection molding products in a large number of complex forms, in the case of large injection molding products, the first insert work is performed by using a metal material at a place where the wear is severe. It is related to the insert injection molding operation method which blows cooling air to a part of the thick part which has a lot of injection thickness and cools it in a short time so that it can be processed without deformation during secondary processing.
종래에 대형 사출제품 성형에 있어서는 대부분 자동화하여 다관절 로봇을 사용하여 사출함으로 정확한 작업성과 작업자의 안전사고를 미연에 방지하고 있다.In the past, in the molding of large-scale injection products, most of them are automated and injected using a jointed-arm robot to prevent accurate workability and safety accidents of workers.
이러한 다관절 로봇을 사용하여 종래의 사출제품 성형공정의 일 예로 대형세탁기의 하부 결합몸체에 관하여 설명하면 먼저 사출제품에 사용하는 베어링 하우징 이 정렬된 상태에서 다관절 로봇이 집어서 인서트 작업을 대기하는 인서트 대기단계(d1);As an example of a conventional injection molding product using the articulated robot, the lower coupling body of a large washing machine will be described. First, the articulated robot picks up and waits for insert work while the bearing housing used for the injection molded product is aligned. Insert waiting step (d1);
이는 앞 공정의 처리시간 만큼 대기하는 것으로 앞 공정이 끝나면 베어링하우징을 집은 다관절 로봇이 사출기로 이동하여 다관절 로봇이 베어링 하우징을 집어 있는 상태에서 인서트 작업을 하는 베어링 하우징 인서트단계(d2);It is waiting for the processing time of the previous process, the end of the bearing housing insert step (d2) for the articulated robot picking up the bearing housing moves to the injection machine to perform the insert operation in the state that the articulated robot picks up the bearing housing;
상기 베어링 하우징 인서트단계에서 사출물을 성형하는 인서트 사출단계(d3);Insert injection step (d3) for molding the injection molding in the bearing housing insert step;
상기 인서트 사출단계 작업공정이 완료되면 다관절 로봇이 다시 작동하여 인서트 된 사출제품을 금형에서 꺼집어 내는 사출제품 취출단계(d4);An injection product extraction step (d4) of removing the inserted injection product from the mold by re-operating the articulated robot when the insert injection step working process is completed;
상기 사출제품을 취출 후 금형에 이형제를 분사는 이형제 수동분사단계(d5);A release agent manual injection step (d5) of ejecting the injection product and injecting a release agent into a mold;
상기 사출제품 취출단계에서 취출한 사출제품에 다음 조립을 위해 일정한 위치에 구멍을 내는 드릴작업을 작업자가 수작업으로 뚫는 드릴 수동 천공작업단계(d6);A drill manual drilling operation step (d6) in which an operator manually drills a drill operation for drilling a hole at a predetermined position for the next assembly to the injection product taken out in the injection product extraction step;
다음 사출제품을 취출하여 다음 단계로 이동하는 콘베이어에 올려지는 가공 사출제품 취출단계(d6);로 진행되어 인서트 성형작업이 완료되는 것이다.The next injection product is taken out and processed injection product taking out step (d6) that is placed on the conveyor moving to the next step; the insert molding operation is completed.
상기와 같이 진행되는 인서트 작업에 있어 인서트 작업 후 사출제품을 분리한 금형부분에 있어 5번 정도의 인서트 작업이 끝나면 금형부분에 이형제를 작업자가 직접 뿌려주어 원활한 작업이 이루어지도록 하였다.In the insert work proceeding as described above, in the mold part after the injection product is separated after the insert work, after the insert work is about 5 times, the worker sprayed the release agent directly on the mold part to make a smooth operation.
이와 같이 이형제 직업 시 작업자가 대형 금형기계 부분에 직접 들어가서 작업하여야하는 관계로 자칫 실수를 하게 되면 산업재해를 입을 수 있는 경우가 많이 발생하고 있다.As such, when a release agent job requires a worker to directly enter a large mold machine part, a mistake is often caused by industrial accidents.
또한 상기와 같은 종래의 인서트 작업에 있어서는 사출제품에 다음 작업을 위한 드릴작업 시 수작업으로 처리함으로 정확한 위치에 동일한 수작업에 어려움이 있으며, 특히 사출제품에 높은 열이 있는 상태에서 작업할 경우 사출제품이 변형을 일으켜 불량률이 높아 생산성이 떨어지고 이와 더불어 생산비용이 높아지는 문제가 있는 것이다.In addition, in the conventional insert work as described above, it is difficult to carry out the same manual work at the exact position by manually processing the drill for the next work on the injection product. There is a problem that the deformation caused by the high defect rate, the productivity is lowered and the production cost increases.
본 발명은 이와 같은 문제점을 해결하고자 개발한 것으로 인서트 작업을 마친 사출제품을 제거한 다음 자동으로 이형제를 분사하도록 하였으며 인서트 작업이 완료된 사출제품을 드릴머신에 안착시켜 자동으로 구멍을 뚫게 함과 동시에 냉각공기를 사출제품에 분사하여 빠른시간 내에 사출제품을 식혀 다음 작업시 변형됨이 없이 작업할 수 있도록 한 것이다.The present invention was developed to solve the above problems, and after removing the injection product after the insert operation to automatically spray the release agent, and the injection product is completed by inserting the injection product completed in the drill machine to automatically drill holes and at the same time cooling air It is sprayed on the injection product to cool the injection product in a short time so that it can work without deformation in the next work.
본 발명은 상기와 같은 문제점을 해결하기 위해 안출 한 것으로 다관절 로봇을 이용한 인서트 작업 방법으로 베어링 하우징이 정렬된 상태에서 다관절 로봇이 베어링 하우징을 집어든 인서트 대기단계(S1)와, 상기의 베어링 하우징을 집어들어 인서트 대기상태(S1)의 다관절 로봇을 작동하여 성형장치의 금형에 끼워주는 베어링 하우징 인서트 단계(S2)와, 상기 베어링 하우징 인서트 단계(S2)에서 베어링 하우징에 베어링을 일체로 사출하는 사출단계(S3)와, 상기 사출단계(S3)에서 사출된 사출제품을 금형에서 끄집어내는 취출단계(S4)와, 상기 취출단계(S4)에서 사출제품을 끄집어낸 이후 금형에 이형제를 분사하는 이형제 자동분사단계(S5)와, 상기의 이형제 분사단계(S5)와 동시에 다관절 로봇을 움직여 사출제품을 드릴머신에 안착하는 드릴머신 안착단계(S6)와, 상기 드릴머신 안착단계(S6)에서 안착 된 사출제품에 드릴 날로 1차작업공을 작업하는 1차자동드릴천공단계(S7)와, 상기 1차자동드릴천공단계(S7)에서 사출제품의 정확한 위치에 천공함과 동시에 사출제품의 형상에 따라 사출제품 몸체에서 돌출된 구조의 사출제품로 인해 사출이 후 취출한 상태에서 85℃의 온도를 유지하고 있는 돌출 부위의 상단에 10~12℃의 공기를 불어주는 냉각단계(S8)와, 상기 냉각단계(S8)에서 냉각공기를 정해진 설정시간 동안 불어주어 사출제품의 온도가 저하한 상태에서 2차작업공을 여러 곳에 동시에 뚫어주는 2차자동드릴천공단계(S9)와, 상기 2차자동드릴천공단계(S9)을 거친 이후 사출제품을 움직여 다음 작업단계로 이동하는 콘베이어에 올려놓기 위해 다관절 로봇을 움직여 컨베이어 위에서 사출제품을 올려놓는 가공 사출제품 취출단계(S10)로 작업을 진행하도록 한 것이다.The present invention has been made in order to solve the above problems, the insert waiting step (S1), the articulated robot picked up the bearing housing in a state in which the bearing housing is aligned in the insert operation method using the articulated robot, and the bearing The bearing housing insert step (S2) for picking up the housing and operating the articulated robot in the insert standby state (S1) to be inserted into the mold of the molding apparatus, and injecting the bearing integrally into the bearing housing in the bearing housing insert step (S2). Injection step (S3), and the ejection step (S4) to take out the injection product injected in the injection step (S3) from the mold, and after ejecting the injection product in the take-out step (S4) to spray a release agent on the mold Automatic release step of releasing agent (S5) and the drill machine seating step of seating the injection product on the drill machine by moving the articulated robot at the same time as the release agent injection step (S5) ), And the first automatic drill drilling step (S7) for working the first working hole with a drill blade on the injection product seated in the drill machine mounting step (S6), and the injection product in the first automatic drill drilling step (S7) 10 ~ 12 ℃ at the top of the protruding part which maintains the temperature of 85 ℃ in the state of ejection after ejection due to the injection product protruding from the body of the injection product according to the shape of the injection product according to the shape of the injection product. Cooling step (S8) for blowing the air of the second, and the cooling step in the cooling step (S8) by blowing the secondary work hole at the same time in the state in which the temperature of the injection product is lowered by blowing the cooling air for a predetermined set time at the same time After the drill drilling step (S9) and the second automatic drill drilling step (S9) to move the injection product to the conveyor to move to the next work step by moving the articulated robot to put the injection product on the conveyor One will be working with the product take-out step (S10).
이와 같은 본 발명은 베어링 하우징을 인서트 작업 후 다음 단계로 작업을 위한 가공작업을 위해 빠른시간 내에 사출제품을 냉각시켜줄 수 있도록 하여 가공작업시 사출제품에 잔여 열에 의해 2차 가공시 변형에 의해 발생하는 불량률을 현저히 줄여 생산성의 향상과 함께 전 작업 공정을 자동화하여 산업재해도 예방할 수 있도록 개발한 것이다.The present invention, such as to insert the bearing housing to the next step after the operation to cool the injection product for the processing work for the next step to be generated by the deformation during the secondary processing by the residual heat in the injection product during the machining operation It has been developed to significantly reduce defect rate and to improve productivity and to prevent industrial accidents by automating the whole work process.
도 1은 본 발명의 작업공정 계락도 이며, 도 2는 본 발명의 제품냉각장치의 정면도이다.1 is a flow diagram of the working process of the present invention, Figure 2 is a front view of the product cooling apparatus of the present invention.
본 발명은 베어링 하우징이 정렬된 상태에서 다관절 로봇이 베어링 하우징을 집어든 인서트 대기단계(S1);The present invention is an insert waiting step (S1) the articulated robot picked up the bearing housing in a state in which the bearing housing is aligned;
상기의 베어링 하우징을 집어들어 인서트 대기상태(S1)의 다관절 로봇을 작동하여 사출기(100)의 금형에 끼워주는 베어링 하우징 인서트 단계(S2);A bearing housing insert step (S2) for picking up the bearing housing and inserting the bearing housing into a mold of the injection molding machine by operating the articulated robot in the insert standby state (S1);
상기 베어링 하우징 인서트 단계(S2)에서 베어링 하우징에 베어링을 일체로 사출하는 사출단계(S3);An injection step (S3) of integrally injecting a bearing into the bearing housing in the bearing housing insert step (S2);
상기 사출단계(S3)에서 사출된 사출제품을 금형에서 끄집어내는 취출단계(S4);A taking out step (S4) of taking out the injection product injected in the injection step (S3) from a mold;
상기 취출단계(S4)에서 사출제품을 끄집어낸 이후 금형에 이형제를 분사하는 이형제 자동분사단계(S5);Release agent automatic injection step (S5) of ejecting the injection product in the take-out step (S4) and then spraying the release agent on the mold;
상기의 이형제 자동분사단계(S5)는 사출제품을 5회 정도 인서트 작업으로 사출제품을 성형한 다음 이형제를 자동으로 분사하게 조절한다.The release agent automatic injection step (S5) is molded to the injection product by inserting the injection product about 5 times, and then controlled to automatically spray the release agent.
상기의 이형제 자동분사단계(S5)와 동시에 다관절 로봇을 움직여 사출제품을 드릴머신에 안착하는 드릴머신 안착단계(S6);Drilling machine seating step (S6) for mounting the injection product on the drill machine by moving the articulated robot at the same time as the release agent automatic injection step (S5);
상기 드릴머신 안착단계(S6)에서 안착 된 사출제품에 드릴 날로 1차작업공을 작업하는 1차자동드릴 천공단계(S7);A first automatic drill drilling step (S7) of working a first working hole with a drill blade on the injection product seated in the drill machine mounting step (S6);
상기 1차자동드릴 천공단계(S7)에서 사출제품의 정확한 위치에 천공함과 동시에 사출제품의 형상에 따라 사출제품 몸체에서 돌출된 구조의 사출제품로 인해 사출이 후 취출한 상태에서 85℃의 온도를 유지하고 있는 돌출 부위의 상단에 10~12℃의 공기를 불어주는 냉각단계(S8);In the first automatic drill drilling step (S7) while drilling at the exact position of the injection product and at the same time ejected after injection due to the injection product of the structure protruding from the injection product body according to the shape of the injection product temperature of 85 ℃ Cooling step (S8) for blowing the air of 10 ~ 12 ℃ to the top of the protruding portion to maintain the;
상기 냉각단계(S8)에서 10~12℃의 냉각공기를 정해진 설정시간 동안 불어주어 사출제품의 온도가 저하한 상태에서 2차작업공을 동시에 뚫어주는 2차자동드릴천공단계(S9);A second automatic drill drilling step (S9) for simultaneously blowing a second working hole in a state in which the temperature of the injection product is lowered by blowing the cooling air at 10 to 12 ° C. for a predetermined time in the cooling step (S8);
상기 2차자동드릴천공단계(S9)을 거친 이후 사출제품을 움직여 다음 작업단계로 이동하는 컨베이어에 올려놓기 위해 다관절 로봇을 움직여 컨베이어 위에서 사출제품을 올려놓는 가공 사출제품 취출단계(S10)로 인서트 작업이 진행되는 것이다.After the second automatic drill drilling step (S9) to move the injection product to move to the next operation step to move the robot articulated robot to insert the injection product processing step to put the injection product on the conveyor (S10) The work is going on.
상기와 같은 인서트 작업에 있어 인서트 대기 단계(S1)는 베어링 하우징을 한곳에 정렬한 상태에서 다관절 로봇이 집어서 인서트 작업을 대기하는 단계로 정확한 작업 싸이클에 의해 진행을 대기하며 운전되는 단계이다.In the insert work as described above, the insert standby step (S1) is a step in which the articulated robot is picked up and waits for the insert work in a state in which the bearing housing is aligned in one place, and is operated while waiting for the progress by the correct work cycle.
상기의 베어링 하우징 인서트 단계(S2)는 베어링 하우징을 집어들어 인서트 대기상태(S1)의 다관절 로봇을 작동하여 성형장치의 금형에 끼워주는 단계이다.The bearing housing insert step S2 is a step of picking up the bearing housing and inserting the bearing housing into the mold of the molding apparatus by operating the articulated robot in the insert standby state S1.
상기 사출단계(S3)는 베어링 하우징 인서트 단계(S2)에서 다관절 로봇이 집은 베어링 하우징에 사출물을 일체로 사출하는 단계로 사출물을 베어링 하우징과 일체로 하는 단계이다.The injection step (S3) is a step of integrally injecting the injection molded product into the bearing housing picked up by the articulated robot in the bearing housing insert step (S2).
상기 취출단계(S4)는 사출단계(S3)에서 사출된 사출제품을 금형에서 꺼집어 내는 단계이다.The take-out step S4 is a step of taking out the injection product injected in the injection step S3 from the mold.
상기 취출단계(S4) 까지의 연속 반복되는 작업이 5회정도 반복되면 금형과 사출제품이 쉽게 분리되게 하기 위함과 동시에 금형을 보호하기 위해 이형제를 분사하는 이형제 자동분사단계(S5)를 거친다.If the continuous repeating operation to the take-out step (S4) is repeated about five times, the mold and the injection product are easily separated, and at the same time, the release agent is automatically sprayed (S5) to spray the release agent to protect the mold.
상기 드릴머신 안착단계(S6)는 이형제 자동분사단계(S5)와 동시에 다관절 로봇을 움직여 사출제품에 다음 조립작업을 위한 위치에 구멍을 내는 작업으로 드릴머신에 안착한 이 후 드릴날로 구멍을 뚫는 1차자동드릴천공단계(S7)을 거친다.The drill machine seating step (S6) is to move the multi-joint robot at the same time with the release agent automatic spraying step (S5) to drill a hole with a drill blade after seating on the drill machine in the hole for the next assembly work on the injection product. Car automatic drill drilling step (S7) is passed.
상기의 냉각단계(S8)는 1차자동드릴천공단계(S7)의 작업 이후 사출제품의 돌출부분에 집중적으로 10~12℃ 온도의 냉각공기를 불어주어 돌출부분이 일정한 온도로 떨어지도록 하여 다음 단계인 2차자동드릴천공단계(S9)를 거쳐 가공 사출제품을 취출하여 다음 작업인 컨베이어로 이동되게 작업하는 것이다.The cooling step (S8) is the next step by blowing the cooling air of 10 ~ 12 ℃ temperature intensively to the protrusion of the injection product after the operation of the first automatic drill drilling step (S7) After the second automatic drill drilling step (S9) to take out the processed injection product is to be moved to the next operation, the conveyor.
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도 1은 본 발명의 작업공정 계략도 1 is a process diagram of the present invention
도 2는 종래 작업공정의 계략도2 is a schematic diagram of a conventional working process
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도면의 주요부분에 대한부호설명Explanation of Signs of Major Parts of Drawings
S6: 드릴머신 안착단계 S7: 1차자동드릴천공단계S6: Drilling machine seating step S7: 1st automatic drill drilling step
S8: 냉각단계 S9: 2차자동드릴천공단계S8: Cooling step S9: Second automatic drill drilling step
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629409A (en) | 1984-10-17 | 1986-12-16 | Takara Co., Ltd. | Rotational molding apparatus having robot to open, close, charge and clean molds |
KR19980057941U (en) * | 1997-02-14 | 1998-10-26 | 호영우 | Automatic removal, loading and arrangement of injection moldings |
KR100632957B1 (en) * | 2005-03-09 | 2006-10-31 | (주)디와이일렉트로닉스 | Articulated robot for insert injection molding |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4629409A (en) | 1984-10-17 | 1986-12-16 | Takara Co., Ltd. | Rotational molding apparatus having robot to open, close, charge and clean molds |
KR19980057941U (en) * | 1997-02-14 | 1998-10-26 | 호영우 | Automatic removal, loading and arrangement of injection moldings |
KR100632957B1 (en) * | 2005-03-09 | 2006-10-31 | (주)디와이일렉트로닉스 | Articulated robot for insert injection molding |
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