KR20180046572A - a deformation protector device injection molds for automobile rear door - Google Patents

a deformation protector device injection molds for automobile rear door Download PDF

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Publication number
KR20180046572A
KR20180046572A KR1020160141883A KR20160141883A KR20180046572A KR 20180046572 A KR20180046572 A KR 20180046572A KR 1020160141883 A KR1020160141883 A KR 1020160141883A KR 20160141883 A KR20160141883 A KR 20160141883A KR 20180046572 A KR20180046572 A KR 20180046572A
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South Korea
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injection molded
injection
stopper
molded product
rear door
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KR1020160141883A
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Korean (ko)
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KR101935925B1 (en
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최재훈
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주식회사 아성프라텍
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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
    • B29C45/64—Mould opening, closing or clamping devices
    • B29C45/67—Mould opening, closing or clamping devices hydraulic
    • 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
    • B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
    • 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
    • B29C45/1769—Handling of moulded articles or runners, e.g. sorting, stacking, grinding of runners
    • 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
    • B29C45/84—Safety devices

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention discloses a device for preventing distortion of an injection molded back door of a car, which aims to prevent distortion of a back door, formed by injection molding, of a car. The device for preventing distortion of an injection molded back door of a car comprises: a worktable which is mounted with a first stopper for supporting a flat portion on the external surface of an injection molded product, and a second stopper for supporting through-hole formed on the internal side of the injection molded product, and which has the injection molded product detachably seated on an upper surface thereof; first pressurizing units which are connected with rods of first air cylinders to pressurize a corner unit of the injection molded product; a second pressurizing unit which is contracted and operated in an opposite direction with the first stopper between the first air cylinders and is connected with a rod of at least one second air cylinder to pressurize the flat portion of the injection molded product; and a control lever which is mounted at one side of the top surface of the worktable, and synchronizes, contracts and operates the first and second air cylinders to pressurize the flat portion unit and the corner unit of the injection molded product for a fixed time in order to prevent distortion of the injection molded product which is mounted on the worktable after injection molded.

Description

자동차 뒷문 사출성형물 변형 방지장치{a deformation protector device injection molds for automobile rear door}A deformation protector device injection mold for automobile rear door,

본 명세서는 사출성형되는 자동차 뒷문의 형상 변형되는 것을 방지하기 위한 자동차 뒷문 사출성형물 변형 방지장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automobile tailgate injection mold deformation preventing device for preventing the shape of an automobile rear door that is injection molded.

일반적으로, 차량용 ECU 케이스와 같이 합성수지로 이루어지는 부품들은 고온의 사출성형 공정을 통해 제작되며 사출 성형이 완료된 이후에는 냉각과정을 거치게 된다.In general, parts made of synthetic resin such as an ECU case for a vehicle are manufactured through a high-temperature injection molding process, and after the injection molding is completed, a cooling process is performed.

이때, 사출성형물들은 냉각과정을 거치면서 사출 성형부위가 수축되는 바, 성형품의 형상이 변형되거나 또는 성형부위의 치수가 변경된다는 문제점이 있다.At this time, since the injection molding parts are shrunk during the cooling process, the shape of the molded product is deformed or the dimension of the molding part is changed.

특히, 사출 성형부위의 두께가 두꺼운 부위는 수축량이 커지게 되므로 사출성형물의 형상 및 치수 변경이 심각할 만큼 커지게 되는 문제점이 있다.Particularly, in the region where the thickness of the injection molding portion is thick, the amount of shrinkage becomes large, so that the shape and dimension change of the injection molded article becomes serious.

사출성형물을 성형후 냉각시 발생되는 수축량을 고려하여 사출성형물을 설계치수보다 약간 크게 제작하고 있으나, 각종 냉각 조건이나 사출성형물의 재질에 따라 수축량이 상이해지므로 사출성형물의 치수를 정확하게 관리할 수 없다는 문제점이 있다.Injection moldings are made slightly larger than the designed dimensions in consideration of the amount of shrinkage that occurs during cooling after molding the injection moldings. However, since the shrinkage amount varies depending on various cooling conditions and materials of injection moldings, dimensions of the injection moldings can not be accurately managed There is a problem.

이러한 문제점을 감안하여 두께가 두꺼운 성형부위에 빈 공간을 형성하여 전체적인 수축량을 감소시키는 방법도 고안된 바 있으나, 사출성형물의 모든 부위에 빈 공간을 형성하기에는 사출금형이 복잡해지고 금형의 제작이 어려워진다는 단점이 있다.In consideration of this problem, a method of reducing the overall shrinkage by forming an empty space in a thick molded part has been devised. However, in order to form an empty space in all parts of the injection molding, the injection mold becomes complicated and the manufacturing of the mold becomes difficult .

사출성형물의 모든 부위마다 빈 공간을 형성하는 경우에도 사출성형물의 냉각시 발생되는 수축량을 완전히 없앨 수는 없으므로 사출성형물의 각 치수를 정밀하게 관리하는 데에는 한계가 발생하게 된다.Even when the void space is formed in every part of the injection-molded article, the amount of shrinkage that occurs during cooling of the injection-molded article can not be completely eliminated. Therefore, there is a limit to precisely managing each dimension of the injection-molded article.

사출성형물은 상온에 노출시켜 냉각시키는 자연 냉각방법이 주로 사용되고 있으며, 자연 냉각방식은 냉각 시간이 많이 소요됨은 물론, 주변의 온도나 습도 등 여러가지 환경조건에 따라 냉각 속도가 불규칙하게 되므로 냉각시 수축량을 정확하게 예측할 수 없는 문제점이 있다.Injection molded products are mainly used by natural cooling method in which they are cooled by exposing them to normal temperature. In natural cooling method, cooling time is long and the cooling speed is irregular according to various environmental conditions such as ambient temperature and humidity. There is a problem that can not be accurately predicted.

출원번호 10-2012-0021752호에 사출성형물 냉각장치가 게시되어 있다.An injection molded cooler is disclosed in application number 10-2012-0021752.

본 명세서는, 사출성형된 자동차 뒷문의 형상 변형되는 것을 최소화시킴에 따라 사출성형물을 조립하는 후속공정에서 원활하게 조립되도록 하여 불량품 발생율을 줄일 수 있도록 한 자동차 뒷문 사출성형물 변형 방지장치와 관련된다.The present invention relates to an apparatus for preventing deformation of automobile rear door extrusion moldings by minimizing the shape deformation of an automobile rear door of an injection molded body, thereby allowing smooth assembly in a subsequent process of assembling an injection molded article, thereby reducing the generation rate of defective products.

본 명세서의 일 실시예에 의한 자동차 뒷문 사출성형물 변형 방지장치는The automotive rear door extrudate deforming prevention device according to one embodiment of the present invention includes:

사출성형물의 외측면의 평탄부를 지지하기 위한 제1스토퍼 및 상기 사출성형물의 안쪽에 형성되는 통공을 지지하기 위한 제2스토퍼가 장착되고, 상기 사출성형물이 착탈가능하게 상면에 안착되는 작업대;A work table on which a first stopper for supporting the flat portion of the outer surface of the injection molded article and a second stopper for supporting the through hole formed in the injection molded article are mounted and the injection molded article is detachably mounted on the upper surface;

상기 사출성형물의 코너부를 가압하기 위한 제1에어실린더의 로드에 연결되는 제1가압부;A first pressing portion connected to a rod of a first air cylinder for pressing a corner portion of the injection molding;

상기 제1에어실린더의 사이에서 상기 제1스토퍼와 대향되는 방향으로 신축구동되고, 상기 사출성형물의 평탄부를 가압하기 위한 적어도 하나 이상의 제2에어실린더의 로드에 연결되는 제2가압부;A second pressurizing portion that is stretchably driven between the first air cylinders in a direction opposite to the first stopper and connected to a rod of at least one second air cylinder for pressurizing the flat portion of the extrudate;

상기 작업대의 상면 일측에 장착되고, 사출성형후 상기 작업대에 안착되는 상기 사출성형물의 형상 변형되는 것을 방지하기 위해 상기 사출성형물의 평탄부 및 코너부를 임의시간동안 가압하도록 제1,2에어실린더를 동기화시켜 신축구동시키기 위한 조작레버;를 구비하는 것을 특징으로 하는 자동차 뒷문 사출성형물 변형 방지장치를 제공한다.The first and second air cylinders are mounted on one side of the upper surface of the workbench to pressurize the flat portions and the corner portions of the injection mold for a certain period of time in order to prevent the shape of the injection- And an operation lever for extending and retracting the rear door of the automotive rear door.

전술한 구성에 따르면 본 명세서의 실시예는 아래와 같은 이점을 갖는다.According to the above-described configuration, the embodiment of the present invention has the following advantages.

사출성형된 자동차 뒷문을 작업대 위에 임의시간동안 고정시킨 후 상온 조건에서 냉각효과를 얻을 수 있고, 사출성형물을 실린더의 가압에 의해 형태를 유지시켜 형상 변형되는 것을 최소화시킴에 따라, 사출성형물을 조립하는 후속공정에서 원활하게 조립되도록 하여 불량품 발생율을 줄일 수 있다.It is possible to obtain a cooling effect at a room temperature condition after the injection-molded automobile rear door is fixed for a certain period of time on a workbench and minimizes the shape deformation of the injection mold by maintaining the shape of the injection mold by pressing the cylinder, It is possible to assemble smoothly in a subsequent process, thereby reducing the generation rate of defective products.

또한, 사출성형물의 품질을 향상시키고 작업시간을 단축시킬 수 있어 작업성 및 생산성을 향상시킴에 따라 원가비용을 절감할 수 있게 된다.In addition, the quality of the injection-molded product can be improved and the working time can be shortened, thereby improving workability and productivity, thereby reducing the cost cost.

도 1은 본 명세서의 일 실시예에 의한 자동차 뒷문 사출성형물 변형 방지장치의 개략도,
도 2는 도 1에 도시된 장치에서, 작업대에 안착되는 사출성형물을 클램핑시킨 상태의 도면,
도 3은 도 1에 도시된 장치에서, 작업대에 안착되는 사출성형물을 클램핑해제시킨 상태의 도면이다.BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view of an apparatus for preventing deformation of an automotive rear door extrudate according to an embodiment of the present invention;
Fig. 2 is a view of the apparatus shown in Fig. 1, in which the extruded material resting on the workbench is clamped,
Fig. 3 is a view of the apparatus shown in Fig. 1, in which the extruded material resting on the workbench is unclamped.

이하, 첨부도면을 참조하여 본 명세서의 바람직한 실시예에 따른 자동차 뒷문 사출성형물 변형 방지장치를 상세히 설명하기로 한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an apparatus for preventing deformation of an automotive rear door extrudate according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1 내지 도 3을 참조하면, 본 명세서의 일 실시예에 따른 자동차 뒷문 사출성형물 변형 방지장치는Referring to FIGS. 1 to 3, the automotive rear door extrudate deformation preventing device according to an embodiment of the present invention includes:

사출성형되는 사출성형물(10)(일 예로서, 자동차의 뒷문을 말함)의 외측면의 길이가 긴 평탄부(11)를 지지하기 위한 제1스토퍼(12) 및 사출성형물(10)의 안쪽에 형성되는 타원형태의 통공(13)을 지지하기 위한 제2스토퍼(14)가 장착되고, 사출성형물(10)이 착탈가능하게 상면에 안착되는 작업대(15)(working table);The first stopper 12 for supporting the elongated flat portion 11 of the outer side of the injection-molded product 10 to be injection-molded (referring to the rear door of the automobile as an example) A working table (15) on which a second stopper (14) for supporting an elliptical through hole (13) to be formed is mounted and on which the injection molded product (10) is detachably mounted;

신장구동시 사출성형물(10)의 코너부(16)를 가압하기 위한 제1에어실린더(17)의 로드(코너부(16)에 대해 약 45도 방향으로 신장구동됨)에 연결되는 제1가압부(18);Which is connected to the rod of the first air cylinder 17 for pressurizing the corner portion 16 of the extrudate 10 during elongation driving (which is elongated in the direction of about 45 degrees with respect to the corner portion 16) (18);

제1에어실린더(17)사이에서 제1스토퍼(12)와 대향되는 방향으로 신축구동되고, 신장구동시 사출성형물(10)의 평탄부(11)를 가압하기 위한 적어도 하나 이상의 제2에어실린더(19)의 로드(평탄부(11)에 대해 90도 방향으로 신장구동하게 됨)에 연결되는 제2가압부(20);At least one second air cylinder (not shown) for driving the first air cylinder 17 in the direction opposite to the first stopper 12 and for pressing the flat portion 11 of the injection molded product 10 during the extension driving A second pressing portion 20 connected to a rod (which is driven to extend in the direction of 90 degrees with respect to the flat portion 11) of the first pressing portion 20;

작업대(15)의 상면 일측에 장착되고, 사출성형후 작업대(15)에 안착되는 사출성형물(10)의 형상 변형되는 것을 방지하기 위해 사출성형물(10)의 평탄부(11) 및 코너부(16)를 임의시간동안 가압하도록 제1,2에어실린더(17,19)를 동기화시켜 신축구동시키기 위해 클램핑 상태(작업대(15)에 안착된 사출성형물(10)의 가압상태를 말함) 및 클램핑 해제 상태(작업대(15)에 안착된 사출성형물(10)의 가압 해제상태를 말함)로 회동되는 조작레버(21);를 구비한다.The flat portion 11 and the corner portion 16 of the injection molded product 10 are attached to one side of the upper surface of the work table 15 to prevent the shape of the injection molded product 10 that is seated on the work table 15 after injection molding from being deformed. (Referred to as a pressurized state of the extrudate 10 seated in the work table 15) for synchronously stretching and driving the first and second air cylinders 17 and 19 to pressurize the first and second air cylinders 17 and 19 for a certain period of time, (An unpressurized state of the injection molded article 10 seated on the work table 15).

더욱 바람직하게는, 제1,2에어실린더(17,19)의 가압력을 분산시켜 사출성형물(10)에 전달하기 위해 제1,2가압부(18,20)는 사출성형물(10)의 박판으로 이루어지는 평탄부(11) 및 코너부(16)에 대응되게 형성되고, 제1,2가압부(18,20)는 러버(rubber)재로 이루어질 수 있다.More preferably, the first and second pressurizing portions 18 and 20 are formed as a thin plate of the injection molded product 10 in order to distribute the pressing force of the first and second air cylinders 17 and 19 to the injection molded product 10 And the first and second pressing portions 18 and 20 may be made of a rubber material.

제2스토퍼(14)는 사출성형물(10)의 모델명에 따른 통공(13)의 사이즈에 따라 제2스토퍼(14)의 사이즈를 교체시켜 사용할 수 있도록 작업대(15)의 고정핀(22)에 착탈가능하게 장착될 수 있다.The second stopper 14 is detachably attached to the fixing pin 22 of the work table 15 so that the second stopper 14 can be used in accordance with the size of the through hole 13 according to the model name of the injection- As shown in FIG.

조작레버(21)는The operation lever 21

사출성형물(10)을 작업대(15)에 안착시키는 작업자의 위치를 임의적으로 변경할 수 있도록 작업대(15)의 상면 타측에 장착될 수 있다.It can be mounted on the other side of the upper surface of the work table 15 so as to arbitrarily change the position of the worker placing the molded product 10 on the work table 15. [

이하에서, 본 명세서의 일 실시예에 의한 자동차 뒷문 사출성형물 변형 방지장치의 사용예를 첨부도면을 참조하여 상세하게 설명한다.DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an example of using an apparatus for preventing deformation of an automotive rear door extrudate according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1 내지 도 3에서와 같이, 사출금형(미 도시됨)에 의해 사출성형된 사출성형물(10)을 작업대(15) 상면의 받침대(15a)에 안착시키되, 사출성형물(10)의 안쪽에 형성된 통공(13) 내에 제2스토퍼(14)가 위치하도록 정렬한다.1 to 3, an injection-molded product 10 injection-molded by an injection mold (not shown) is placed on a pedestal 15a on an upper surface of a workbench 15, So that the second stopper (14) is positioned in the through hole (13).

이때, 조작레버(21)는 클램핑 해제상태를 유지하게 됨에 따라 제1,2에어실린더(17,19)는 수축구동 상태를 유지하게 된다.At this time, as the operating lever 21 is maintained in the unclamping state, the first and second air cylinders 17 and 19 are maintained in the contracted and driven state.

작업자에 의해 조작레버(21)의 핸들을 조작하여 클램핑 상태로 회동시킴에 따라, 동기화되어 신장구동되는 제1,2에어실린더(17,19)의 로드에 연결된 제1,2가압부(18,20)에 의해 사출성형물(10)의 길이가 긴 외측면의 평탄부(11) 및 코너부(16)를 동시에 가압하게 된다.The first and second pressing portions 18 and 19 connected to the rods of the first and second air cylinders 17 and 19 which are synchronously driven and extended by rotating the handle of the operating lever 21 by the operator in the clamping state, 20 simultaneously press the flat portion 11 and the corner portion 16 of the long side of the extrudate 10 having a long length.

이로 인해 제1,2가압부(18,20) 및 제1,2스토퍼(12,14)에 의해 사출성형물(10)이 작업대(15) 상에서 유동되지않도록 임의시간(사출성형물(10)의 사이즈 또는 모델명에 따라 미리 설정된 시간을 말함)동안 클램핑됨에 따라 사출성형물(10)은 사출성형된 형태를 유지할 수 있게 된다.The size of the extrudate 10 (the size of the extrudate 10) is controlled so that the extrudate 10 does not flow on the worktable 15 by the first and second pressurizing portions 18, 20 and the first and second stoppers 12, Or a predetermined time according to the model name), the injection-molded article 10 can maintain the injection-molded shape.

전술한 바와 같이 작업대(15) 상에 사출성형물(10)을 장착시킨 상태에서, 임의시간동안 작업자는 사출금형으로 인해 사출성형물(10)에 부득히 불필요하게 잔존되는 버(burr) 등을 제거시킬 수 있다.As described above, in a state where the injection-molded product 10 is mounted on the workbench 15, the operator can remove the burrs and the like unnecessarily remaining in the injection-molded product 10 due to the injection mold for a certain period of time have.

작업자에 의해 조정레버(21)의 핸들을 조작하여 클램핑 해제상태로 회동시킴에 따라, 동기화되어 수축구동되는 제1,2에어실린더(17,19)의 로드에 연결된 제1,2가압부(18,20)가 사출성형물(10)의 평탄부(11) 및 코너부(16)로부터 동시에 이탈된다.The first and second pressing portions 18 and 19 connected to the rods of the first and second air cylinders 17 and 19 which are synchronously driven to be synchronized by rotating the handle of the adjusting lever 21 by the operator in the unclamping state And 20 are simultaneously released from the flat portion 11 and the corner portion 16 of the injection molded product 10. [

따라서, 작업자는 사출성형물(10)을 파지하여 작업대(15)로부터 탈리시켜 사출성형물(10)을 조립하는 후속 작업라인으로 이동시킬 수 있다.Therefore, the operator can grip the injection-molded product 10 and remove it from the workbench 15 to move it to a subsequent operation line for assembling the injection-molded product 10. [

제1,2에어실린더(17,19)의 로드에 연결된 제1,2가압부(18,20) 및 작업대(15) 상에 장착된 제1,2스토퍼(12,14)에 의해 사출성형물(10)을 고정시킨 후, 제1,2에어실리더(17,19)의 설정된 스트로크만큼의 신장구동에 의해 사출성형물(10)을 클램핑시킬 경우, 제1,2가압부(18,20)가 러버재로 형성됨에 따라, 박판재로 이루어진 평탄부(11) 및 코너부(16)의 형상 변형되는 것을 최소화시킬 수 있다.The first and second pressing portions 18 and 20 connected to the rods of the first and second air cylinders 17 and 19 and the first and second stoppers 12 and 14 mounted on the work table 15, When the injection molded product 10 is clamped by extension drive of the set stroke of the first and second air cylinders 17 and 19 after the first and second pressurizing portions 18 and 20 are fixed It is possible to minimize the deformation of the flat portion 11 and the corner portion 16 made of a thin plate material.

한편, 사출성형물(10)의 통공(13)에 대응되는 위치에 장착된 제2스토퍼(14)가 작업대(15)의 고정핀(22)에 착탈가능하게 장착됨에 따라, 자동차의 모델명에 따라 변경되는 사출성형물(10)의 통공(13)의 사이즈에 따라 제2스토퍼(14)의 사이즈를 교체시켜 사용할 수 있게 된다. 즉 사출성형물(10)의 사이즈 또는 모델명이 변경되는 경우에도 작업대(15) 및 제1,2가압대(18,20)를 계속적으로 사용할 수 있어 호환성을 갖게 된다.On the other hand, since the second stopper 14 mounted at the position corresponding to the through hole 13 of the injection molded article 10 is detachably mounted on the fixing pin 22 of the work table 15, The size of the second stopper 14 can be changed according to the size of the through hole 13 of the injection-molded article 10 to be used. That is, even when the size or the model name of the injection-molded article 10 is changed, the workbench 15 and the first and second pressing pedestals 18 and 20 can be continuously used, thereby providing compatibility.

전술한 바와 같이 사출금형(미 도시됨)에 의해 사출성형물(10)을 사출성형하는 구성과, 조작레버(21)를 조작시 에어 콤퓨레서(미 도시됨)로부터 공급되는 공기압을 어큐뮬레이터(미 도시됨)에 의해 제1,2에어실린더(17,19)를 동기화시켜 신축구동시키는 구성은, 당업자에 의해 사용될 수 있는 기술내용이므로 이들의 구성에 대한 상세한 설명은 생략한다.The injection molding 10 is injection-molded by an injection mold (not shown) as described above and the structure in which the air pressure supplied from an air compressor (not shown) when the operation lever 21 is operated is stored in an accumulator And the first and second air cylinders 17 and 19 are stretched and retracted by the first and second air cylinders 17 and 19 are the technical contents that can be used by those skilled in the art.

여기에서, 전술한 본 명세서에서는 바람직한 실시예를 참조하여 설명하였지만, 해당 기술분야에서 숙련된 당업자는 하기의 청구범위에 기재된 본 명세서의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 명세서의 내용을 다양하게 수정 및 변경할 수 있음을 이해할 수 있을 것이다.While the present invention has been described with reference to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be understood that the invention may be varied and changed without departing from the scope of the invention.

10; 사출성형물
11; 평탄부
12; 제1스토퍼
13; 통공
14; 제2스토퍼
15; 작업대
16; 코너부
17; 제1에어실린더
18; 제1가압부
19; 제2에어실린더
20; 제2가압부
21; 조작레버
22; 고정핀10; Injection molding
11; Flat part
12; The first stopper
13; Passage
14; The second stopper
15; bench
16; Corner portion
17; The first air cylinder
18; The first pressing portion
19; The second air cylinder
20; The second pressing portion
21; Operation lever
22; Fixing pin

Claims (4)

사출성형물의 외측면의 평탄부를 지지하기 위한 제1스토퍼 및 상기 사출성형물의 안쪽에 형성되는 통공을 지지하기 위한 제2스토퍼가 장착되고, 상기 사출성형물이 착탈가능하게 상면에 안착되는 작업대;
상기 사출성형물의 코너부를 가압하기 위한 제1에어실린더의 로드에 연결되는 제1가압부;
상기 제1에어실린더의 사이에서 상기 제1스토퍼와 대향되는 방향으로 신축구동되고, 상기 사출성형물의 평탄부를 가압하기 위한 적어도 하나 이상의 제2에어실린더의 로드에 연결되는 제2가압부;
상기 작업대의 상면 일측에 장착되고, 사출성형후 상기 작업대에 안착되는 상기 사출성형물의 형상 변형되는 것을 방지하기 위해 상기 사출성형물의 평탄부 및 코너부를 임의시간동안 가압하도록 제1,2에어실린더를 동기화시켜 신축구동시키기 위한 조작레버;를 구비하는 것을 특징으로 하는 자동차 뒷문 사출성형물 변형 방지장치.
A work table on which a first stopper for supporting the flat portion of the outer surface of the injection molded article and a second stopper for supporting the through hole formed in the injection molded article are mounted and the injection molded article is detachably mounted on the upper surface;
A first pressing portion connected to a rod of a first air cylinder for pressing a corner portion of the injection molding;
A second pressurizing portion that is stretchably driven between the first air cylinders in a direction opposite to the first stopper and connected to a rod of at least one second air cylinder for pressurizing the flat portion of the extrudate;
The first and second air cylinders are mounted on one side of the upper surface of the workbench to pressurize the flat portions and the corner portions of the injection mold for a certain period of time in order to prevent the shape of the injection- And an operation lever for extending and retracting the rear door of the automotive rear door.
제1항에 있어서,
상기 제1,2에어실린더의 가압력을 분산시켜 상기 사출성형물에 전달하기 위해 상기 제1,2가압부는 상기 사출성형물의 평탄부 및 코너부에 대응되게 형성되고, 상기 제1,2가압부는 러버재로 이루어지는 것을 특징으로 하는 자동차 뒷문 사출성형물 변형 방지장치.
The method according to claim 1,
The first and second pressing portions are formed to correspond to the flat portion and the corner portion of the extrudate to distribute the pressing force of the first and second air cylinders to the extrudate, Wherein the rear end portion of the rear end of the automotive rear door is made of a synthetic resin.
제1항에 있어서, 상기 제2스토퍼는
상기 통공의 사이즈에 따라 상기 제2스토퍼의 사이즈를 교체시켜 사용할 수 있도록 상기 작업대의 고정핀에 착탈가능하게 장착되는 것을 특징으로 하는 자동차 뒷문 사출성형물 변형 방지장치.
The apparatus according to claim 1, wherein the second stopper
Wherein the second stopper is detachably mounted on the fixing pin of the work table so that the size of the second stopper can be changed according to the size of the through hole.
제1항에 있어서, 상기 조작레버는
상기 사출성형물을 상기 작업대에 안착시키는 작업자의 위치를 임의적으로 변경할 수 있도록 상기 작업대의 상면 타측에 장착되는 것을 특징으로 하는 자동차 뒷문 사출성형물 변형 방지장치.The apparatus according to claim 1, wherein the operating lever
Wherein the worktable is mounted on the other side of the upper surface of the worktable so as to arbitrarily change the position of an operator placing the injection molded article on the worktable.
KR1020160141883A 2016-10-28 2016-10-28 a deformation protector device injection molds for automobile rear door KR101935925B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110795883A (en) * 2019-10-31 2020-02-14 重庆长安汽车股份有限公司 Equivalent stiffness identification method for connecting piece of back door and back door frame

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KR100603419B1 (en) * 2005-07-09 2006-07-25 (주)화인코왁 Apparatus for cooling formed goods of bumper back beam for vehicle
KR101088150B1 (en) * 2008-11-28 2011-12-02 주식회사 아성프라텍 Apparatus for correcting torsion of radiator grill
JP2013107242A (en) * 2011-11-18 2013-06-06 Panasonic Corp Device for correcting resin molded product
KR101381787B1 (en) * 2012-03-02 2014-04-07 주식회사 아성프라텍 Injection mold cooling device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100603419B1 (en) * 2005-07-09 2006-07-25 (주)화인코왁 Apparatus for cooling formed goods of bumper back beam for vehicle
KR101088150B1 (en) * 2008-11-28 2011-12-02 주식회사 아성프라텍 Apparatus for correcting torsion of radiator grill
JP2013107242A (en) * 2011-11-18 2013-06-06 Panasonic Corp Device for correcting resin molded product
KR101381787B1 (en) * 2012-03-02 2014-04-07 주식회사 아성프라텍 Injection mold cooling device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110795883A (en) * 2019-10-31 2020-02-14 重庆长安汽车股份有限公司 Equivalent stiffness identification method for connecting piece of back door and back door frame
CN110795883B (en) * 2019-10-31 2022-06-07 重庆长安汽车股份有限公司 Equivalent stiffness identification method for connecting piece of back door and back door frame

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