KR20230064975A - Press mold structure - Google Patents

Press mold structure Download PDF

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Publication number
KR20230064975A
KR20230064975A KR1020210150673A KR20210150673A KR20230064975A KR 20230064975 A KR20230064975 A KR 20230064975A KR 1020210150673 A KR1020210150673 A KR 1020210150673A KR 20210150673 A KR20210150673 A KR 20210150673A KR 20230064975 A KR20230064975 A KR 20230064975A
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KR
South Korea
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molding
mold
compression press
molding material
present
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KR1020210150673A
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Korean (ko)
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최승용
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최승용
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Priority to KR1020210150673A priority Critical patent/KR20230064975A/en
Publication of KR20230064975A publication Critical patent/KR20230064975A/en

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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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/36—Moulds for making articles of definite length, i.e. discrete articles
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0055—Moulds or cores; Details thereof or accessories therefor with incorporated overflow cavities
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/30—Mounting, exchanging or centering
    • B29C33/305—Mounting of moulds or mould support plates
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/34—Feeding the material to the mould or the compression means
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/54—Compensating volume change, e.g. retraction
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C2037/94—Safety devices
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32—Component parts, details or accessories; Auxiliary operations
    • B29C43/58—Measuring, controlling or regulating
    • B29C2043/5875—Measuring, controlling or regulating the material feed to the moulds or mould parts, e.g. controlling feed flow, velocity, weight, doses
    • B29C2043/5883—Measuring, controlling or regulating the material feed to the moulds or mould parts, e.g. controlling feed flow, velocity, weight, doses ensuring cavity filling, e.g. providing overflow means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

According to one aspect of the present invention, provided is a compression press mold structure comprising an overfilling prevention apparatus and a non-molding prevention apparatus which is possible to control the filling amount of molding materials while using a compression press molding method, and is capable of manufacturing a molded body with uniform pressure distribution and external dimensions at all times.

Description

과충진 및 미성형 방지가 가능한 압축 프레스 금형 구조{PRESS MOLD STRUCTURE}Compression press mold structure capable of preventing overfilling and under-molding {PRESS MOLD STRUCTURE}

본 발명은 압축 프레스 금형 기술에 관한 것으로서, 보다 구체적으로는 과충진 및 미성형 방지가 가능한 압축 프레스 금형 구조에 관한 것이다.The present invention relates to a compression press mold technology, and more particularly, to a compression press mold structure capable of preventing overfilling and under-molding.

압축 프레스 성형 방식은 사출 성형 방식에 비해 성형 재료에 대한 충진량 조절이 쉽지 않은 문제점이 있다. 성형 재료의 충진량 조절이 어렵기 때문에, 충진량이 작은 경우 성형 후 수축에 의해 미성형 상태의 성형체가 만들어질 수 있고, 반대로 과충진 상태에서 성형체 제작이 이루어질 수 있다.The compression press molding method has a problem in that it is not easy to control the filling amount of the molding material compared to the injection molding method. Since it is difficult to control the filling amount of the molding material, when the filling amount is small, a molded article may be made in an unmolded state due to shrinkage after molding, and, conversely, a molded article may be manufactured in an overfilled state.

따라서, 압축 프레스 성형 방식을 이용하면서도 성형 재료의 충진량 조절이 가능하여 항상 균일한 압력 분포 및 외관 치수를 갖는 성형체 제작이 가능한 압축 프레스 금형 구조가 요구된다.Therefore, there is a demand for a compression press mold structure capable of manufacturing molded products having uniform pressure distribution and external dimensions by controlling the filling amount of molding materials while using a compression press molding method.

본 발명은 압축 프레스 성형 방식을 이용하면서도 성형 재료의 충진량 조절이 가능하며, 항상 균일한 압력 분포 및 외관 치수를 갖는 성형체 제작이 가능한 압축 프레스 금형 구조를 제공하기 위한 것이다.An object of the present invention is to provide a compression press mold structure capable of controlling the filling amount of a molding material while using a compression press molding method, and producing a molded body having uniform pressure distribution and external dimensions at all times.

본 발명의 일 측면에 따르면, 압축 프레스 성형 방식을 이용하면서도 성형 재료의 충진량 조절이 가능하며, 항상 균일한 압력 분포 및 외관 치수를 갖는 성형체 제작이 가능하도록 과충진 방지 장치 및 미성형 방지 장치를 포함하는 압축 프레스 금형 구조가 제공된다.According to one aspect of the present invention, it is possible to control the filling amount of molding material while using a compression press molding method, and to always manufacture a molded product having uniform pressure distribution and external dimensions An overfill prevention device and an under-molding prevention device are included. A compression press mold structure is provided.

본 발명의 실시예에 따른 압축 프레스 금형 구조에 의하면, 과충진 문제 및 미성형 문제를 방지할 수 있도록 압축 프레스 성형 과정에서 성형 재료의 충진량 조절이 가능하며, 균일한 압력 분포 및 외관 치수를 갖는 성형체 제작이 가능한 효과가 있다.According to the compression press mold structure according to the embodiment of the present invention, it is possible to adjust the filling amount of the molding material in the compression press molding process to prevent overfilling and under-molding problems, and a molded article having uniform pressure distribution and external dimensions There are effects that can be produced.

도 1 및 2는 본 발명의 실시예에 따른 과충진 및 미성형 방지가 가능한 압축 프레스 금형 구조에 관한 사시도.
도 3은 본 발명의 실시예에 따른 과충진 및 미성형 방지가 가능한 압축 프레스 금형 구조에 관한 측단면도.1 and 2 are perspective views of a compression press mold structure capable of preventing overfilling and under-molding according to an embodiment of the present invention.
3 is a side cross-sectional view of a compression press mold structure capable of preventing overfilling and under-molding according to an embodiment of the present invention.

본 발명은 다양한 변환을 가할 수 있고 여러 가지 실시예를 가질 수 있는 바, 특정 실시예들을 도면에 예시하고 상세한 설명에 상세하게 설명하고자 한다. 그러나, 이는 본 발명을 특정한 실시 형태에 대해 한정하려는 것이 아니며, 본 발명의 사상 및 기술 범위에 포함되는 모든 변환, 균등물 내지 대체물을 포함하는 것으로 이해되어야 한다.Since the present invention can apply various transformations and have various embodiments, specific embodiments will be illustrated in the drawings and described in detail in the detailed description. However, it should be understood that this is not intended to limit the present invention to specific embodiments, and includes all transformations, equivalents or substitutes included in the spirit and scope of the present invention.

본 발명을 설명함에 있어서, 관련된 공지 기술에 대한 구체적인 설명이 본 발명의 요지를 불필요하게 흐릴 수 있다고 판단되는 경우 그 상세한 설명을 생략한다. 또한, 본 명세서의 설명 과정에서 이용되는 숫자(예를 들어, 제1, 제2 등)는 하나의 구성요소를 다른 구성요소와 구분하기 위한 식별기호에 불과하다.In describing the present invention, if it is determined that a detailed description of related known technologies may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. In addition, numbers (eg, first, second, etc.) used in the description process of this specification are only identifiers for distinguishing one component from another component.

또한, 명세서 전체에서, 일 구성요소가 다른 구성요소와 "연결된다" 거나 "접속된다" 등으로 언급된 때에는, 상기 일 구성요소가 상기 다른 구성요소와 직접 연결되거나 또는 직접 접속될 수도 있지만, 특별히 반대되는 기재가 존재하지 않는 이상, 중간에 또 다른 구성요소를 매개하여 연결되거나 또는 접속될 수도 있다고 이해되어야 할 것이다. 또한, 명세서 전체에서, 어떤 부분이 어떤 구성요소를 "포함"한다고 할 때, 이는 특별히 반대되는 기재가 없는 한 다른 구성요소를 제외하는 것이 아니라 다른 구성요소를 더 포함할 수 있는 것을 의미한다. In addition, throughout the specification, when an element is referred to as "connected" or "connected" to another element, the element may be directly connected or directly connected to the other element, but in particular Unless otherwise described, it should be understood that they may be connected or connected via another component in the middle. In addition, throughout the specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated.

이하, 첨부된 도면들을 참조하여 본 발명의 실시예를 상세히 설명한다. Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1 및 2는 본 발명의 실시예에 따른 과충진 및 미성형 방지가 가능한 압축 프레스 금형 구조에 관한 사시도이고, 도 3은 본 발명의 실시예에 따른 과충진 및 미성형 방지가 가능한 압축 프레스 금형 구조에 관한 측단면도이다.1 and 2 are perspective views of a compression press mold structure capable of preventing overfilling and under-molding according to an embodiment of the present invention, and FIG. 3 is a compression press mold capable of preventing overfilling and under-molding according to an embodiment of the present invention. This is a side view of the structure.

도 1 ~ 도 3을 참조하면, 본 발명의 실시예에 따른 압축 프레스 금형 구조(100)는, 금형 베이스(110); 금형 베이스(110)의 상부에 마련되는 금형 틀(120); 금형 틀(120)의 일 측에 연통되도록 설치되어 금형 틀(120)에 충진되는 성형 재료가 과충진 상태에 있는 경우 충진된 성형 재료의 일부를 외부로 빼내는 역할을 담당하는 과충진 방지 장치(130); 금형 틀(120)의 타 측에 연통되도록 설치되어 금형 틀(120)에 충진되는 성형 재료가 미충진 상태에 있는 경우에도 성형 재료의 미성형 수축을 방지하는 역할을 담당하는 미성형 방지 장치(140); 금형 틀(120)의 상부에 마련되며, 금형 틀(120)에 충진된 성형 재료에 압축 프레싱을 수행하기 위한 압축 프레스 장치(미도시)를 포함하여 제작될 수 있다.1 to 3, a compression press mold structure 100 according to an embodiment of the present invention includes a mold base 110; A mold frame 120 provided on top of the mold base 110; An overfill prevention device (130) installed to communicate with one side of the mold frame 120 and serving to take out a part of the filled molding material to the outside when the molding material filled in the mold mold 120 is in an overfilled state ); A non-molding prevention device 140 installed to communicate with the other side of the mold frame 120 and serving to prevent shrinkage of the molding material even when the molding material filled in the mold frame 120 is in an unfilled state. ); It is provided above the mold frame 120 and can be manufactured by including a compression press device (not shown) for performing compression pressing on the molding material filled in the mold frame 120 .

본 발명에 의하면, 상기 과충진 방지 장치(130) 및 미성형 방지 장치(140)에 따른 2개의 코어를 추가로 갖는 금형 구조에 의하여, 압축 프레스 성형 과정에서 성형 재료의 충진량 조절이 가능하며, 균일한 압력 분포 및 외관 치수를 갖는 성형체 제작이 가능한 효과가 있다.According to the present invention, by the mold structure having two additional cores according to the overfill prevention device 130 and the under-molding prevention device 140, it is possible to adjust the filling amount of the molding material in the compression press molding process, and uniform There is an effect capable of producing a molded body having a uniform pressure distribution and external dimensions.

이상에서는 본 발명의 실시예를 참조하여 설명하였지만, 해당 기술 분야에서 통상의 지식을 가진 자라면 하기의 특허 청구의 범위에 기재된 본 발명의 사상 및 영역으로부터 벗어나지 않는 범위 내에서 본 발명을 다양하게 수정 및 변경시킬 수 있음을 쉽게 이해할 수 있을 것이다.Although the above has been described with reference to the embodiments of the present invention, those skilled in the art will variously modify the present invention within the scope not departing from the spirit and scope of the present invention described in the claims below. And it will be readily understood that it can be changed.

Claims (1)

금형 베이스(110);
금형 베이스(110)의 상부에 마련되는 금형 틀(120);
금형 틀(120)의 일 측에 연통되도록 설치되어 금형 틀(120)에 충진되는 성형 재료가 과충진 상태에 있는 경우 충진된 성형 재료의 일부를 외부로 빼내는 역할을 담당하는 과충진 방지 장치(130);
금형 틀(120)의 타 측에 연통되도록 설치되어 금형 틀(120)에 충진되는 성형 재료가 미충진 상태에 있는 경우에도 성형 재료의 미성형 수축을 방지하는 역할을 담당하는 미성형 방지 장치(140); 및
금형 틀(120)의 상부에 마련되며, 금형 틀(120)에 충진된 성형 재료에 압축 프레싱을 수행하기 위한 압축 프레스 장치;
를 포함하는 압축 프레스 금형 구조.mold base 110;
A mold frame 120 provided on top of the mold base 110;
An overfill prevention device 130 installed to communicate with one side of the mold frame 120 and serving to take out a part of the filled molding material to the outside when the molding material filled in the mold mold 120 is in an overfilled state );
A non-molding prevention device 140 installed to communicate with the other side of the mold frame 120 and serving to prevent shrinkage of the molding material even when the molding material filled in the mold frame 120 is in an unfilled state. ); and
a compression press device provided above the mold frame 120 and performing compression pressing on the molding material filled in the mold frame 120;
Compression press mold structure comprising a.
KR1020210150673A 2021-11-04 2021-11-04 Press mold structure KR20230064975A (en)

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