KR20030070646A - A method of injection molding for a color resin vessel - Google Patents

A method of injection molding for a color resin vessel Download PDF

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Publication number
KR20030070646A
KR20030070646A KR1020020010107A KR20020010107A KR20030070646A KR 20030070646 A KR20030070646 A KR 20030070646A KR 1020020010107 A KR1020020010107 A KR 1020020010107A KR 20020010107 A KR20020010107 A KR 20020010107A KR 20030070646 A KR20030070646 A KR 20030070646A
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South Korea
Prior art keywords
injection material
injection
injection molding
resin container
mold
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KR1020020010107A
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Korean (ko)
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남구현
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남구현
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Priority to KR1020020010107A priority Critical patent/KR20030070646A/en
Publication of KR20030070646A publication Critical patent/KR20030070646A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1657Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00Mixing; Kneading
    • B29B7/02Mixing; Kneading non-continuous, with mechanical mixing or kneading devices, i.e. batch type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00Producing hollow articles
    • B29D22/003Containers for packaging, storing or transporting, e.g. bottles, jars, cans, barrels, tanks
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16Making multilayered or multicoloured articles
    • B29C45/1657Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • B29C2045/1659Fusion bonds

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

Abstract

PURPOSE: An injection molding method for various color resin containers is provided to improve the quality by keeping each color of resin containers against physical or chemical damage, and to manufacture the various color resin containers conveniently by inputting various color materials during injection molding. CONSTITUTION: A first injection molding material having the single color is formed by coloring the paint to injection molding compound(S10), and a second injection molding material is formed by coloring the different paint to the other injection molding compound(S20). First and second injection molding materials are heated and liquefied by preheating(S30). The first injection molding material is put into a mold of the injection molding machine, and the second injection molding material is put into the mold(S40,S50). The first and second injection molding materials in the mold are bonded to each other by pressurizing and heating with the injection molding machine, and injected along the mold(S60).

Description

다수의 색을 갖는 수지용기의 사출성형방법{A METHOD OF INJECTION MOLDING FOR A COLOR RESIN VESSEL}Injection molding method of resin container with many colors {A METHOD OF INJECTION MOLDING FOR A COLOR RESIN VESSEL}

본 발명은 수지용기의 사출성형방법에 관한 것으로, 특히 수지용기의 각 부분이 다양한 색상을 띄도록 수지용기를 사출 성형하는 다수의 색을 갖는 수지용기의 사출성형방법에 관한 것이다.The present invention relates to an injection molding method of a resin container, and more particularly, to an injection molding method of a resin container having a plurality of colors for injection molding the resin container so that each part of the resin container has a variety of colors.

일반적인 수지용기의 사출성형방법은 멜라민 등의 사출재료를 소정 형틀형상을 이루면서 분리된 금형에 투입하고, 상기 금형을 상호 가압 및 가열하여 상기 사출재료를 상기 금형이 이루는 형상과 동일한 형상으로 사출 성형하는 방법이 보편적이다.In general, the injection molding method of a resin container is to insert an injection material such as melamine into a separate mold forming a predetermined mold shape, and to press-mold and heat the molds to injection molding the injection material into the same shape as the mold. The method is universal.

또, 상기 수지용기 등 사출물의 상품성을 향상시키도록 상기 수지용기에 다양한 색상이나, 그림, 문자 등을 인쇄하는 것이 일반화되어 있다.In addition, it is common to print various colors, pictures, characters and the like on the resin container so as to improve the commerciality of the injection molded product such as the resin container.

여기서 상기 수지용기에 대한 색상형성은 사출기에서 사출 성형된 수지용기의 표면에 에나멜 등의 물감을 도색하여 이루거나, 상기 수지용기의 표면에 그림이나, 문자 등이 인쇄된 전사지를 부착 혹은 인쇄하여 상기 수지용기에 색상 또는 그림을 인쇄하는 것이 보편적이다.Here, the color formation of the resin container may be performed by painting paints such as enamel on the surface of the resin container injection-molded in the injection molding machine, or by attaching or printing a transfer paper on which a picture or character is printed on the surface of the resin container. It is common to print colors or pictures on resin containers.

그러나 상기와 같이, 수지용기의 표면에 물감을 도색하거나, 전사지의 그림 등을 인쇄한 것은 상기 수지용기에 대한 물리적 접촉 및 세제 등의 화학약품이 접촉되면서 상기 수지용기의 표면에 형성된 색상 및 그림 등이 손상될 수 있는 문제점이 있었다.However, as described above, the painting of the paint on the surface of the resin container, or printing the picture of the transfer paper, such as the color and pictures formed on the surface of the resin container while the chemical contact such as physical contact with the resin container and detergent, etc. There was a problem that could be compromised.

또한, 상기 수지용기의 표면에 색상을 착색하기 위해 물감도포공정 및 전사지 인쇄공정 등 수지용기의 사출과는 별개의 도색 및 인쇄공정이 추가되어 그 생산성이 저하되는 문제점이 있었다.In addition, in order to color the color on the surface of the resin container, a paint and printing process separate from injection of the resin container, such as a paint coating process and a transfer paper printing process, have been added, and thus there is a problem in that the productivity is lowered.

본 발명이 이루고자 하는 기술적 과제는 상기와 같은 종래의 제반 문제점을 해소하기 위해 발명된 것으로, 다양한 색상을 갖는 수지용기를 제작하도록 되어 상기 수지용기의 상품성을 향상시키도록 된 다수의 색을 갖는 수지용기의 사출성형방법을 제공함에 있다.The technical problem to be achieved by the present invention was invented to solve the conventional problems as described above, to produce a resin container having a variety of colors to have a resin container having a plurality of colors to improve the commerciality of the resin container To provide an injection molding method of.

본 발명의 다른 목적은, 물리적 또는 화학적 손상요인에 관계없이 수지용기가 지닌 다양한 색상을 유지하도록 되어 상기 수지용기의 상품성을 보다 향상시키도록 된 다수의 색을 갖는 수지용기의 사출성형방법을 제공함에 있다.Another object of the present invention is to provide an injection molding method of a resin container having a plurality of colors to maintain various colors of the resin container regardless of physical or chemical damage factors to further improve the commerciality of the resin container. have.

본 발명의 또 다른 목적은, 수지용기의 사출공정에 이종의 색을 갖는 다수의 사출재료를 투입하는 것만으로 다양한 색을 갖는 수지용기를 제작하도록 되어 색을 갖는 수지용기의 제작이 보다 용이하도록 된 다수의 색을 갖는 수지용기의 사출성형방법을 제공함에 있다.Still another object of the present invention is to prepare a resin container having a variety of colors by simply injecting a plurality of injection materials having different colors into the resin container injection process, thereby making it easier to manufacture a resin container having a color. An injection molding method for a resin container having a plurality of colors is provided.

도 1은 본 발명에 따른 수지용기 사출성형방법의 구성도이다.1 is a block diagram of a resin container injection molding method according to the present invention.

도 2는 본 발명에 따른 수지용기 재료 형성의 구성도이다.2 is a block diagram of the resin container material formation according to the present invention.

도 3 내지 도 5는 본 발명에 따른 사출성형방법의 실시도이다.3 to 5 is an embodiment of the injection molding method according to the invention.

< 도면의 주요부분에 대한 부호의 설명 ><Description of Symbols for Major Parts of Drawings>

10 - 성형기11 - 상부금형10-Molding Machine 11-Upper Mold

12 - 하부금형21 - 제1사출재료12-Lower mold 21-First injection material

22 - 제2사출재료30 - 사출물22-2nd Injection Material 30-Injection Material

31 - 몸체부32 - 테두리부31-Body 32-Border

발명이 이루고자 하는 기술적 과제를 달성하기 위한 본 발명은, 다양한 색을 갖는 사출재료를 성형기의 금형 각 부에 투입하여 상기 금형의 사출을 통해 다양한 색을 갖는 수지용기를 제작하는 것을 특징으로 한다.The present invention for achieving the technical problem to be achieved is characterized by producing a resin container having a variety of colors through the injection of the mold by injecting the injection material having a variety of colors into the mold parts of the molding machine.

본 발명의 또 다른 특징은, 멜라민, 펄프, 포르말린을 혼합하고, 이 혼합된 재료에 경화제를 첨가하여 경화시키고, 상기 경화된 재료를 건조한 후에 분쇄하고, 이 분쇄된 재료에 다양한 색을 갖는 물감을 첨가함과 더불어 혼합 및 분쇄하여 다양한 색을 갖는 수지용기의 사출재료를 형성하는 것을 특징으로 한다.Another feature of the present invention is that melamine, pulp and formalin are mixed, and a hardening agent is added to the mixed material to cure, the dried material is dried and pulverized, and the pulverized material has various colors of paint. In addition to mixing and grinding, it is characterized in that the injection material of the resin container having a variety of colors.

본 발명의 다른 특징은, 수지용기를 사출하는 성형기 금형의 중앙부에 제1사출재료를 투입하고, 상기 금형의 테두리부에 제2사출재료를 투입한 상태에서 상기 성형기에 의해 상기 제1사출재료 및 제2사출재료를 동시에 사출하여 상기 제1사출재료와 제2사출재료가 상호 융착되면서 단일개의 사출 수지용기를 형성하는 것을특징으로 한다.According to another aspect of the present invention, the first injection material and the first injection material in the state in which the first injection material is injected into the center portion of the molding machine mold for injecting the resin container, and the second injection material is injected into the edge of the mold; By simultaneously injecting a second injection material is characterized in that the first injection material and the second injection material are fused together to form a single injection resin container.

이하, 첨부된 예시도면을 참조하여 본 발명에 따른 바람직한 실시 예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 수지용기의 사출성형방법을 나타낸 것이고, 도 2는 본 발명에 따른 사출 수지용기의 사출재료를 형성하는 방법을 나타낸 것이며, 도 3 내지 도 5는 본 발명의 일 실시예에 따른 수지용기 제작과정을 나타낸 것으로, 본 발명은 제1사출재료형성단계(S10)와, 제2사출재료형성단계(S20)와, 예열단계(S30)와, 제1사출재료투입단계(S40)와, 제2사출재료투입단계(S50)와, 사출단계(S60)를 포함하여 구성된다.Figure 1 shows the injection molding method of the resin container according to the present invention, Figure 2 shows a method for forming the injection material of the injection resin container according to the present invention, Figures 3 to 5 is one embodiment of the present invention According to the present invention, a resin container manufacturing process according to the present invention includes a first injection material forming step (S10), a second injection material forming step (S20), a preheating step (S30), and a first injection material input step (S40). ), A second injection material injection step (S50), and an injection step (S60).

상기 제1사출재료형성단계(S10) 및 제2사출재료형성단계(S20)는 도 2에 도시된 바와 같이, 재료혼합과정(S71)과, 경화과정(S72)과, 건조과정(S73)과, 분쇄/착색과정(S74)을 포함하여 구성된다.As shown in FIG. 2, the first injection material forming step S10 and the second injection material forming step S20 include a material mixing step S71, a curing step S72, a drying step S73, , Including the grinding / coloring process (S74).

상기 재료혼합과정(S71)은 본 발명의 일 실시예에 따라 사출물(30)을 통상의 수지용기로 할 경우, 액상의 멜라민과, 분말형태의 펄프와, 액상의 포르말린을 상호 교반기에서 혼합하여 혼합물을 형성한다.The material mixing process (S71) is a mixture of liquid melamine, powdered pulp, and liquid formalin in a stirrer when the injection molded product 30 is a conventional resin container according to an embodiment of the present invention. To form.

상기 경화과정(S72)은 상기 혼합물에 헥사메틸렌테트라민, 폴리아미드 등의 경화제를 상기 교반기에서 혼합하여 2차혼합물을 형성한다.The curing process (S72) is a mixture of hexamethylenetetramine, polyamide and the like curing agent in the stirrer to form a secondary mixture.

상기 건조과정(S73)은 상기 경화제가 첨가된 2차혼합물을 소정시간 가열기 또는 상온에서 건조시켜 고체형태를 이루도록 경화시킨다.In the drying process (S73), the secondary mixture to which the curing agent is added is dried at a heater or room temperature for a predetermined time to cure to form a solid form.

상기 분쇄/착색과정(S74)은 상기 2차혼합물과 분말형태의 도료를 세라믹 구슬이 교반되는 회전용기에 투입하여 분쇄시킴과 동시에 상기 도료가 상기 2차혼합물에 착색되도록 혼합한다.In the grinding / coloring process (S74), the secondary mixture and the powder-like paint are put into a rotating container in which ceramic beads are agitated and pulverized, and the paint is mixed to color the secondary mixture.

여기서, 상기 도료는 상기 사출물(30)에 설정된 색상에 따라 백색, 흑색, 갈색 등의 색상을 갖는 도료를 사용하게 되며, 상기 각 2차혼합물에 대해 각각 상이한 색상을 갖는 도료를 착색하여 각각 상이한 색상을 갖는 사출재료를 형성한다.Here, the paint is to use a paint having a color of white, black, brown, etc. according to the color set in the injection molding (30), and for each of the secondary mixture by coloring the paint having a different color, respectively different colors To form an injection material having a.

따라서, 본 실시예에서 제작하고자 하는 2가지 색을 갖는 수지용기의 경우, 상기 제1사출재료형성단계(S10)에서 백색의 도료를 상기 2차혼합물과 혼합/착색 및 분쇄하여 백색의 제1사출재료(21) 분말을 형성하고, 제2사출재료형성단계(S20)에서 흑색 또는 갈색의 도료를 상기 2차혼합물과 혼합/착색 및 분쇄하여 흑색 또는 갈색의 제2사출재료(22) 분말을 형성한다.Therefore, in the case of the resin container having two colors to be produced in the present embodiment, the first injection material is formed by mixing / coloring and grinding white paint with the secondary mixture in the first injection material forming step (S10). A powder of a material 21 is formed, and a black or brown second injection material 22 powder is formed by mixing / coloring and pulverizing the black or brown paint with the secondary mixture in the second injection material forming step (S20). do.

상기 예열단계(S30)는 상기 제1사출재료(21)와 제2사출재료(22)를 가열기에 투입하여 소정시간동안 소정온도로 가열하여 분말형태의 제1사출재료(21)와 제2사출재료(22)를 응집력이 있는 액상의 형태로 예열한다.In the preheating step (S30), the first injection material 21 and the second injection material 22 are introduced into a heater and heated to a predetermined temperature for a predetermined time, so that the first injection material 21 and the second injection in the form of powder The material 22 is preheated in the form of a cohesive liquid phase.

상기 제1사출재료투입단계(S40) 및 제2사출재료투입단계(S50)는 상기 예열된 제1사출재료(21) 및 제2사출재료(22)를 성형기(10)의 금형 내 각각 상이한 위치에 투입시킨다.The first injection material injection step (S40) and the second injection material injection step (S50) are different positions of the preheated first injection material 21 and the second injection material 22 in the mold of the molding machine 10, respectively. Put in.

여기서, 본 실시예의 사출물(30)이 수지용기이므로, 상기 성형기(10)의 금형이 하방으로 용기의 형상을 따라 함몰된 하부금형(12)과 상기 하부금형(12)과 밀착 및 이격되도록 수지용기의 상부형상을 따라 하방향으로 대략 반구형상으로 돌출된 상부금형(11)으로 구성된다.Here, since the injection molded product 30 of the present embodiment is a resin container, the resin container so that the mold of the molding machine 10 is in close contact with and spaced apart from the lower mold 12 and the lower mold 12 recessed along the shape of the container. It consists of an upper mold 11 protruding in a substantially hemispherical shape in the downward direction along the upper shape of.

상기 제1사출재료투입단계(S40)는 상기 하부금형(12)의 함몰된 중앙부에 상기 액상의 제1사출재료(21)를 투입한다.In the first injection material input step (S40), the first injection material 21 of the liquid is injected into a central portion of the lower mold 12 recessed.

이때, 상기 제1사출재료(21)는 상기 하부금형(12)과 상부금형(11)이 밀착되면서 사출될 경우, 상기 제1사출재료(21)가 상기 하부금형(12)의 중앙 함몰부 외주에 이르도록 소정량을 투입한다.In this case, when the first injection material 21 is injected while the lower mold 12 and the upper mold 11 are in close contact with each other, the first injection material 21 is formed on the outer periphery of the center recess of the lower mold 12. The predetermined amount is input to reach to.

상기 제2사출재료투입단계(S50)는 상기 하부금형(12)의 중앙 외주부, 상기 사출될 수지용기의 테두리를 형성하는 부에 링형상을 이루도록 투입한다.The second injection material injection step (S50) is added to form a ring shape in the center outer peripheral portion of the lower mold 12, the portion forming the edge of the resin container to be injected.

여기서, 상기 제1사출재료(21)와 제2사출재료(22)의 투입량은 통상의 용기 본체와 테두리부의 비율에 따라 8:2 정도로 하는 것이 바람직하다.Here, it is preferable that the input amount of the first injection material 21 and the second injection material 22 is about 8: 2 depending on the ratio of the normal container body and the edge portion.

상기 사출단계(S60)는 도 4 및 도 5에 도시된 바와 같이, 상기 제1사출재료(21)와 상기 제2사출재료(22)가 하부금형(12)의 중앙부 및 외주부에 투입된 상태에서 상기 상부금형(11)이 상기 하부금형(12)의 방향으로 밀착되면서 상기 제1사출재료(21) 및 제2사출재료(22)를 가압 및 가열한다.4 and 5, the injection step S60 is performed in a state in which the first injection material 21 and the second injection material 22 are injected into the central part and the outer peripheral part of the lower mold 12. The upper mold 11 is pressed in the direction of the lower mold 12 and pressurizes and heats the first injection material 21 and the second injection material 22.

이때, 상기 상부금형(11) 및 하부금형(12)은 상기 제1사출재료(21) 및 제2사출재료(22)의 형성 폭을 유지하도록 소정간격(본 실시예에서는 2∼5㎜) 이격되어 밀착되며, 상기 제1사출재료(21) 및 제2사출재료(22)가 상호 융착 및 형태 변경되도록 상기 상부금형(11) 및 하부금형(12)은 소정온도(본 실시예에서는 180℃)로 가열되면서 상호 밀착된다.At this time, the upper mold 11 and the lower mold 12 are spaced apart from each other by a predetermined interval (2 to 5 mm in this embodiment) so as to maintain the forming width of the first injection material 21 and the second injection material 22. The upper mold 11 and the lower mold 12 at a predetermined temperature (180 ° C. in this embodiment) so that the first injection material 21 and the second injection material 22 are fused and changed in shape. They are in close contact with each other when heated.

상기 제1사출재료(21) 및 제2사출재료(22)가 상기 상부금형(11) 및 하부금형(12)의 밀착압력 및 가열에 의해 일부 용융됨과 동시에 소정두께(2∼5㎜)로 상기 상부금형(11) 및 하부금형(12)이 이루는 형상을 따라 상기 제1사출재료(21)의 외주가 외부로 확장되고 상기 제2사출재료(22)가 상기 제1사출재료(21)의 방향으로 확장되면서 상기 제1사출재료(21)의 확장 끝단부와 상기 제2사출재료(22)의 확장 끝단부가 상호 접해 용융·밀착된다.The first injection material 21 and the second injection material 22 are partially melted by the adhesion pressure and heating of the upper mold 11 and the lower mold 12 and at the same thickness (2 to 5 mm). The outer periphery of the first injection material 21 extends to the outside along the shape formed by the upper mold 11 and the lower mold 12 and the second injection material 22 is in the direction of the first injection material 21. The expansion end of the first injection material 21 and the expansion end of the second injection material 22 are brought into contact with each other to be melted and adhered.

상기 제1사출재료(21) 및 제2사출재료(22)에 대한 사출이 완료되면 도 5에 도시된 바와 같이, 상기 상부금형(11)이 상기 하부금형(12)에서 상부로 이격되고, 상기 하부금형(12)에 안착된 사출물(30)을 작업자가 이탈시켜 상기 제1사출재료(21) 및 제2사출재료(22)로 이루어진 사출물(30)에 대한 사출을 완료한다.When the injection to the first injection material 21 and the second injection material 22 is completed, as shown in FIG. 5, the upper mold 11 is spaced apart from the lower mold 12 to the upper portion. An operator releases the injection molded product 30 seated on the lower mold 12 to complete injection of the injection molded product 30 including the first injection material 21 and the second injection material 22.

이때, 상기 사출물(30)은 상기 제1사출재료(21)가 사출된 몸체부(31)와 상기 제2사출재료(22)가 사출된 테두리부(32)로 구분되며, 상기 몸체부(31)의 외주부와 상기 테두리부(32)는 상기 성형기(10)의 사출에 의해 상호 융착된 상태로 형성된다.In this case, the injection molding 30 is divided into a body portion 31 from which the first injection material 21 is injected and an edge portion 32 from which the second injection material 22 is injected, and the body portion 31. The outer circumferential portion of the) and the edge portion 32 are formed in a state in which they are fused to each other by injection of the molding machine 10.

또, 상기 몸체부(31)는 상기 제1사출재료(21)의 백색 색상에 따라 백색을 가지며, 상기 테두리부(32)는 상기 제2사출재료(22)의 흑색 또는 갈색 색상에 따라 흑색 또는 갈색의 색상을 갖는다.In addition, the body portion 31 has a white color depending on the white color of the first injection material 21, the edge portion 32 is black or according to the black or brown color of the second injection material (22) It has a brown color.

따라서, 상기 사출물(30)은 본 발명의 일 실시예에 따라 용기의 형상으로 형성되고, 그 중앙부가 백색을 띄고, 그 테두리부(32)가 흑색 또는 갈색을 띄는 2색을 갖는 수지용기로 형성된다.Therefore, the injection molded product 30 is formed in the shape of a container according to an embodiment of the present invention, the center portion of which is white, and the edge portion 32 is formed of a resin container having two colors of black or brown color. do.

여기서, 상기 사출재료를 3종 이상 다수개로 형성하며, 상기 사출재료가 갖는 색을 보다 다양하게 형성하여 상기 사출재료를 사출 성형한 사출물(30)이 2색 이상 다수개의 색을 갖도록 상기 사출물(30)을 형성할 수 있음은 물론이다.Here, the injection molding material may be formed in a plurality of three or more kinds of injection materials, and the injection molding material 30 formed by injection molding the injection material by forming various colors of the injection material may have two or more colors. Of course, it can be formed.

또, 상기 제1사출재료(21)와 제2사출재료(22)를 상기 하부금형(12)의 다수부에 교차 투입하여 상기 사출물(30)이 2가지 색이 교차로 형성되도록 할 수 있음은 물론, 상기 제1사출재료(21)의 상부에 제2사출재료(22)를 얻어 놓은 상태에서 상기 사출재료에 대한 사출을 실시하여 상기 사출재료가 사출된 사출물(30)이 상하로 2종의 색상을 갖도록 형성할 수 있음은 물론이다.In addition, the first injection material 21 and the second injection material 22 may be cross-inserted into a plurality of the lower molds 12 so that the injection molded material 30 may be formed to cross two colors. Injecting the injection material in a state in which the second injection material 22 is obtained on the first injection material 21, the injection material 30 into which the injection material is injected is divided into two colors up and down. Of course, it can be formed to have.

또한, 본 실시예에서 상기 사출물(30)의 테두리부(32)가 성형되도록 상기 하부금형(12)의 외주부에 단차져 형성된 부분의 폭은 상기 성형된 테두리부(32)의 폭보다 넓게(통상의 용기 테두리부의 경우 10∼30㎜) 형성되어, 상기 하부금형(12)의 외주부에 대한 제2사출재료(22)의 투입을 용이하도록 하는 것이 바람직하다.In addition, in the present embodiment, the width of the portion formed by stepping on the outer peripheral portion of the lower mold 12 so that the edge portion 32 of the injection molding 30 is molded is wider than the width of the molded edge portion 32 (normally). In the case of the container rim portion of (10 to 30mm) is preferably formed to facilitate the introduction of the second injection material 22 to the outer peripheral portion of the lower mold (12).

이상 설명한 바와 같이, 본 발명은 상술한 특정의 바람직한 실시 예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자라면 누구든지 다양한 변형의 실시가 가능한 것은 물론이고, 그와 같은 변경은 청구범위 기재의 범위 내에 있게 된다.As described above, the present invention is not limited to the above-described specific preferred embodiments, and any person having ordinary skill in the art without departing from the gist of the present invention claimed in the claims may be various. It is to be understood that such changes may be made, and such changes will fall within the scope of the claims.

이상 설명한 바와 같이 본 발명에 의하면, 다수의 색상을 갖는 다수의 수지재료를 함께 사출하여 다양한 색상을 갖는 수지용기 등의 사출물을 얻을 수 있는 효과가 있다.As described above, according to the present invention, an injection product such as a resin container having various colors can be obtained by injecting a plurality of resin materials having a plurality of colors together.

본 발명의 다른 효과는, 수지용기의 사출과정에 이종의 색상을 갖는 사출재료를 더 투입하는 것만으로 다양한 색상을 갖는 수지용기를 제작하도록 되어 그 제작방법이 보다 용이하게 되는 효과가 있다.Another effect of the present invention is to produce a resin container having a variety of colors by simply adding an injection material having a different color in the injection process of the resin container has an effect that the manufacturing method becomes easier.

본 발명의 또 다른 효과는, 사출재료들의 금형에 대한 투입위치 등에 따라 보다 다양한 색상 및 모양을 갖는 수지용기를 제작할 수 있는 효과가 있다.Another effect of the present invention, there is an effect that can produce a resin container having a variety of colors and shapes according to the injection position of the injection material into the mold.

본 발명의 다른 효과는, 사출 성형된 수지용기에 대한 물리적, 화학적 손상요인에 관계없이 상기 수지용기가 갖는 색상에 번화가 없도록 되어 상기 수지용기의 상품성을 향상시키는 효과가 있다.Another effect of the present invention is that the color of the resin container does not thrive regardless of physical and chemical damage factors to the injection molded resin container, thereby improving the commerciality of the resin container.

Claims (3)

수지용기를 형성하는 사출재료 혼합물에 도료를 착색하여 단일색상을 갖는 제1사출재료를 형성하는 제1사출재료형성단계;A first injection material forming step of forming a first injection material having a single color by coloring a paint on an injection material mixture forming a resin container; 상기 수지용기를 형성하는 또 다른 사출재료 혼합물에 또 다른 도료를 착색하여 상기 사출재료와 상이한 색상을 갖는 제2사출재료를 형성하는 제2사출재료형성단계;A second injection material forming step of forming a second injection material having a color different from that of the injection material by coloring another coating material on another injection material mixture forming the resin container; 상기 제1사출재료 및 제2사출재료를 가열기에서 액상을 이루도록 가열하는 예열단계;A preheating step of heating the first injection material and the second injection material to form a liquid phase in a heater; 상기 제1사출재료를 성형기의 금형 소정부에 투입하는 제1사출재료투입단계;A first injection material input step of injecting the first injection material into a mold predetermined part of a molding machine; 상기 제2사출재료를 상기 성형기 금형의 또 다른 소정부에 투입하는 제2사출재료투입단계; 및A second injection material input step of injecting the second injection material into another predetermined portion of the mold; And 상기 제1사출재료와 제2사출재료가 금형에 투입된 상태에서 성형기를 작동시켜 상기 제1사출재료 및 제2사출재료를 가압 및 가열하면서 상기 제1사출재료와 제2사출재료가 상호 융착되도록 함과 더불어 상기 금형이 이루는 형상으로 성형하는 사출단계;를 포함하는 것을 특징으로 하는 다수의 색을 갖는 수지용기의 사출성형방법.The first injection material and the second injection material is operated in a state in which the first injection material and the second injection material are put into a mold to press-and heat the first injection material and the second injection material so that the first injection material and the second injection material are fused together. Injection molding method of a resin container having a plurality of colors, characterized in that it comprises; and the injection step of molding into a shape formed by the mold. 제 1항에 있어서,The method of claim 1, 상기 제1사출재료투입단계는 상기 성형기 하부금형의 함몰된 중앙부에 상기제1사출재료를 투입하는 것으로,The first injection material input step is to inject the first injection material into the recessed central portion of the lower mold, 상기 제2사출재료투입단계는 상기 하부금형의 중앙부 외측의 외주부에 상기 제2사출재료를 투입하는 것으로 구성된 것을 특징으로 하는 다수의 색을 갖는 수지용기의 사출성형방법.The second injection material injection step is injection molding method of a resin container having a plurality of colors, characterized in that the second injection material is put into the outer peripheral portion outside the central portion of the lower mold. 제 1항에 있어서,The method of claim 1, 상기 제1사출재료형성단계 및 제2사출재료형성단계는 멜라민, 펄프, 포르말린을 교반기에서 혼합하여 액상의 혼합물을 형성하는 재료혼합과정;The first injection material forming step and the second injection material forming step may include a material mixing process of forming a liquid mixture by mixing melamine, pulp and formalin in an agitator; 상기 혼합물에 경화제를 혼합하여 상기 혼합물을 경화시킨 2차혼합물을 형성하는 경화과정;A curing process of mixing a curing agent with the mixture to form a secondary mixture of the mixture; 상기 경화된 2차혼합물을 가열기 또는 상온에서 건조시키는 건조과정;A drying process of drying the cured secondary mixture at a heater or room temperature; 상기 건조된 2차혼합물을 분쇄기에서 분쇄함과 더불어 도료를 투입하여 상기 2차혼합물을 착색하는 분쇄/착색과정으로 구성되는 것을 특징으로 하는 다수의 색을 갖는 수지용기의 사출성형방법.Injection molding method of a resin container having a plurality of colors, characterized in that consisting of a pulverization / coloring process of coloring the secondary mixture by pulverizing the dried secondary mixture in a pulverizer and a paint.
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100895151B1 (en) * 2007-06-25 2009-05-04 안치생 Manufacturing apparatus for resin vessel and manufacturing method of using the same and resin vessel product for therein
KR102108772B1 (en) * 2019-07-16 2020-05-28 최은서 Manufacture method of ampoule

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