KR100815262B1 - The lower part mold of pulp molding machine - Google Patents

The lower part mold of pulp molding machine Download PDF

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Publication number
KR100815262B1
KR100815262B1 KR1020070110562A KR20070110562A KR100815262B1 KR 100815262 B1 KR100815262 B1 KR 100815262B1 KR 1020070110562 A KR1020070110562 A KR 1020070110562A KR 20070110562 A KR20070110562 A KR 20070110562A KR 100815262 B1 KR100815262 B1 KR 100815262B1
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South Korea
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mold
lower mold
molding machine
support beam
pulp molding
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KR1020070110562A
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Korean (ko)
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장세종
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퍼스트세제 주식회사
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    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper

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  • Manufacturing & Machinery (AREA)
  • Paper (AREA)

Abstract

A division type lower mold of a pulp molding machine is provided to join a paper lower frame and a lower mold-mounting part strongly, thereby improving the working efficiency and the productivity. A paper lower frame(110) has a plurality drainage holes formed in a vertical direction, and a receiving groove(111) formed in an upper part thereof. A fixing block(130) is fixed to one side of the paper lower frame. A lower mold-supporting beam(120) is fixed to the other side of the fixing block. A lower mold-mounting part(140) is disposed below the lower mold-supporting beam. A first end for mounting the paper lower frame thereon is formed at one side of the fixing block, and a second end for mounting the lower mold-supporting beam thereon is formed at the other side of the fixing block. Further, a protrusion part is formed along a side part of the lower mold-supporting beam.

Description

펄프 몰딩기의 분할형 하부금형{The lower part mold of pulp molding machine}The lower part mold of pulp molding machine

도 1은 종래 펄프 몰딩기의 파렛트 순환 구조를 나타낸 평면도.1 is a plan view showing a pallet circulation structure of a conventional pulp molding machine.

도 2는 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형을 나타낸 단면도.Figure 2 is a cross-sectional view showing a divided bottom mold of the pulp molding machine according to an embodiment of the present invention.

도 3은 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형에서 장착블럭을 나타낸 사시도.Figure 3 is a perspective view showing a mounting block in the divided lower mold of the pulp molding machine according to an embodiment of the present invention.

도 4는 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형에서 하형지지빔을 나타낸 정면도.Figure 4 is a front view showing a lower support beam in the divided lower mold of the pulp molding machine according to an embodiment of the present invention.

도 5는 도 4에서의 A-A'선의 단면도.5 is a cross-sectional view taken along the line AA ′ of FIG. 4.

도 6은 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형에서 초지하형틀을 나타낸 사시도.Figure 6 is a perspective view showing a super-basement mold in the divided lower mold of the pulp molding machine according to an embodiment of the present invention.

< 도면의 주요 부분에 대한 부호의 설명 ><Description of Symbols for Main Parts of Drawings>

1 : 펄프 몰딩기 2 : 파렛트1: pulp molding machine 2: pallet

3 : 금망 10O: 초지하형부3: gold network 10O: super underground

110: 초지하형틀 111: 수용홈110: super underground mold 111: receiving groove

113: 배수구멍 120: 하형지지빔 113: drain hole 120: lower support beam

121: 돌출부 123: 장착고정구121: protrusion 123: mounting fixture

130: 고정블럭 133: 초지하형틀 안착단 130: fixed block 133: super-base frame seating end

134: 고정구 137: 하형지지빔 안착단 134: fastener 137: lower support beam seating end

138: 고정구 139: 고정수단138: fastener 139: fastening means

140: 하형장착부 141: 배출홈 140: lower mounting portion 141: discharge groove

150: 결합수단 160: 금망 150: coupling means 160: gold net

본 발명은 펄프 몰딩기의 분할형 하부금형에 관한 것으로, 보다 상세하게는 초지액을 주입하여 초지가 성형되는 펄프 몰딩기의 분할형 하부금형이 생산성이 우수하고, 결합이 편리한 구조로 구비되는 펄프 몰딩기의 분할형 하부금형에 관한 것이다.The present invention relates to a split bottom mold of a pulp molding machine, and more particularly, to a pulp molding machine in which a split bottom mold of a pulp molding machine into which paper is formed by injecting paper liquor is formed with excellent productivity and convenient bonding. A split bottom mold of a molding machine.

근래 들어 자원의 절약과 재활용 촉진에 관한 법 개정으로 환경 보호법이 강화되었으며, 세계적으로도 환경 보호에 대한 규제와 법규가 더욱 강화되고 엄격해지고 있다. 환경친화적 종이용품의 하나인 종이 성형 용기는 순수 비목재 펄프를 이용한 1회용 식품 종이 성형용기로서 100% 재활용이 가능하고, 매립 시 분해가 빠르며, 썩은 후 토양을 기름지게 하는 장점이 있다.In recent years, environmental protection legislation has been strengthened with the revision of the law on the conservation of resources and promotion of recycling, and the regulations and laws on environmental protection have been strengthened and stricter around the world. The paper molding container, which is one of the environmentally-friendly paper products, is a disposable food paper molding container using pure non-wood pulp, which is 100% recyclable, has fast decomposition during landfill, and has an advantage of oiling soil after rotting.

아울러, 소각시에도 유독가스인 다이옥신이 배출되지 않으므로 대기오염을 시키지 않아 친환경적이고, 전자 레인지에 사용해도 환경 호르몬 등 유해 물질이 검출되지 않으므로 인체에 안전한 장점을 가지며, 펄프 몰딩기는 상기 펄프액을 원료로 하여 특히, 생선, 육류, 야채, 패스트푸드, 냉동식품을 담기 위한 1회용 식품 종이 용기를 성형 제조하는 기기이다. In addition, even when incinerated, dioxin, which is a toxic gas, is not discharged, so it is environmentally friendly because it does not cause air pollution. In particular, it is an apparatus for molding and manufacturing disposable food paper containers for containing fish, meat, vegetables, fast food and frozen food.

한편, 도 1은 종래 펄프 몰딩기의 파렛트 순환 구조를 나타낸 평면도로서, 상기 펄프 몰딩(pulp molding)기(1)는 금망(3)을 갖춘 파렛트(2)가 수평 순환하는 방식으로 '초지'에서 '인출'까지의 제조 공정을 2 셋트 가지며, 도중에 '세정' 공정을 설치한 구성으로 되어 있다.On the other hand, Figure 1 is a plan view showing a pallet circulation structure of a conventional pulp molding machine, the pulp molding machine (1) is a 'pallet' in a manner in which the pallet (2) with a gold mesh (3) is horizontally circulated It has two sets of manufacturing processes up to 'drawing out', and has a configuration in which 'cleaning' process is installed on the way.

여기서, 상기 펄프 몰딩기의 초지하형틀이 하형장착부와 결합하는데 있어서 정확한 위치의 결합이 어렵고, 작업시 하형장착부에서 초지하형틀의 이탈이 일어나기 쉬운 문제가 있어왔다.Here, there is a problem that it is difficult to combine the exact position when the super-structure mold of the pulp molding machine and the lower mold mounting portion, and the detachment of the super-structure mold from the lower mold mounting portion during operation has been a problem.

또한, 다양한 초지 성형품의 제작을 위하여 다양한 금형의 교체가 필요하고, 이때, 제조 공정에서 다양한 하부금형으로 교체하기 위해 많은 수의 하부금형을 구비해야 함으로써 생산비가 증대되는 문제가 있어왔다.In addition, it is necessary to replace a variety of molds for the production of a variety of paper moldings, at this time, there has been a problem that the production cost is increased by having a large number of lower molds in order to replace the various lower molds in the manufacturing process.

따라서 본 발명은 상기와 같은 종래기술의 문제점을 해결하기 위하여 이루어진 것으로, 본 발명의 제 1목적은 펄프 몰딩 작업시 우수한 성형품을 생산할 수 있는 펄프 몰딩기의 분할형 하부금형을 제공하는 것이다.Accordingly, the present invention has been made to solve the problems of the prior art as described above, and a first object of the present invention is to provide a divided mold of a pulp molding machine capable of producing an excellent molded product during a pulp molding operation.

본 발명의 제 2목적은 견고한 결합을 하여 초지하부금형의 하형장착부에서 초지하형의 이탈을 방지하는 펄프 몰딩기의 분할형 하부금형을 제공하는 것이다. It is a second object of the present invention to provide a split bottom mold of a pulp molding machine which prevents the detachment of the super underground mold from the lower mold mounting portion of the super underground mold by making a firm coupling.

본 발명의 제 3목적은 펄프 몰딩기의 초지하부금형에서 초지하형을 분할형을 구비하여 펼프 몰딩 작업시 필요한 부분의 금형만을 교체할 수 있는 펄프 몰딩기의 분할형 하부금형을 제공하는 것이다. A third object of the present invention is to provide a subdividing mold of a pulp molding machine which can replace only a mold of a portion necessary for spread molding operation by providing a subdividing mold in a superunderground mold of a pulp molding machine.

따라서 상기 목적을 달성하기 위한 본 발명의 실시예에 따른 펄프 몰딩기의 분할형 하부금형은, 다수의 배수구멍(113)이 수직방향으로 형성되고, 상부에 오목한 수용홈(111)이 형성된 초지하형틀(110); 상기 초지하형틀(110)에 일측이 고정되는 고정블럭(130); 상기 고정블럭(130)의 타측에 고정되는 하형지지빔(120); 및 상기 하형지지빔(120)의 하부에 구비되어있는 하형장착부(140);를 포함하여 이루어지며, 상기 고정블럭(130)은, 일측에 상기 초지하형틀(110)이 안착되는 초지하형틀 안착단(133)이 형성되고, 타측에 상기 하형지지빔(120)이 안착되는 하형지지빔 안착단(137)이 형성된 것을 특징으로 한다.Therefore, in the divided mold of the pulp molding machine according to the embodiment of the present invention for achieving the above object, a plurality of drainage holes 113 are formed in the vertical direction, the paper base is formed with a recessed receiving groove 111 in the upper Mold 110; A fixed block 130 having one side fixed to the super underground mold 110; A lower support beam 120 fixed to the other side of the fixed block 130; And a lower mold mounting portion 140 provided at a lower portion of the lower mold support beam 120. The fixed block 130 is mounted on the super-low frame mold on which one side is mounted. A stage 133 is formed, and the lower mold support beam seating end 137 on which the lower mold support beam 120 is seated is formed on the other side.

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그리고, 상기 하형지지빔의 정단면은 입구자('ㅁ') 형태로 형성된 것이 바람직하다.In addition, the front end surface of the lower die support beam is preferably formed in the shape of an inlet ('ㅁ').

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한편, 상기 하형지지빔의 측면부를 따라 돌출부가 형성된 것이 바람직하다.On the other hand, it is preferable that the protrusion is formed along the side portion of the lower mold support beam.

또한, 상기 하형장착부는 사각기둥 형상으로 구성되고, 상기 하형장착부의 내측에 배출홈이 형성되되, 상기 배출홈의 상부가 개방되어 구성되는 것이 바람직 하다.In addition, the lower mold mounting portion is configured in a rectangular pillar shape, the discharge groove is formed inside the lower mold mounting portion, it is preferable that the upper portion of the discharge groove is configured to open.

이하, 첨부된 도면을 참조하여 본 발명의 실시예에 대하여 더욱 상세히 설명하기로 한다.Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

도 2는 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형을 나타낸 단면도이고, 도 3은 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형에서 장착블럭을 나타낸 사시도이다.Figure 2 is a cross-sectional view showing a split bottom mold of the pulp molding machine according to an embodiment of the present invention, Figure 3 is a perspective view showing a mounting block in the split bottom mold of the pulp molding machine according to an embodiment of the present invention. .

또한, 도 4는 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형에서 하형지지빔을 나타낸 사시도이고, 도 5는 도 4에서의 A-A'선의 단면도이며, 도 6은 본 발명의 일 실시예에 따른 펄프 몰딩기의 분할형 하부금형에서 초지하형틀을 나타낸 사시도이다.In addition, Figure 4 is a perspective view of the lower mold support beam in the divided lower mold of the pulp molding machine according to an embodiment of the present invention, Figure 5 is a cross-sectional view taken along the line AA 'of Figure 4, Figure 6 Perspective view showing a super-underground mold in the divided lower mold of the pulp molding machine according to an embodiment of the.

상기 도면에 도시된 바와 같이, 본 발명의 실시예에 의한 펄프 몰딩기의 분할형 하부금형은, 초지하형틀(110), 고정블럭(130), 하형지지빔(120), 하형장착부(140)로 이루어진다.As shown in the figure, the divided lower mold of the pulp molding machine according to an embodiment of the present invention, the super underground mold 110, the fixed block 130, the lower mold support beam 120, the lower mold mounting portion 140 Is made of.

상기 초지하형틀(110)은 일정두께의 사각기둥 형성으로 상부에 오목한 수용홈(111)이 형성되고, 상기 초지하형틀(110)의 하측부에 다수의 고정홈(미도시)이 형성되어진다. 이때, 상기 고정홈의 내주면에는 나사부(미도시)가 형성되는 것이 바람직하다. 아울러, 상기 초지하형틀(110)에 수직방향으로 다수의 배수구멍(113)이 형성되어진다.The super-basement die 110 has a recessed recess 111 formed in the upper portion by forming a rectangular pillar of a predetermined thickness, and a plurality of fixing grooves (not shown) are formed in the lower side of the super-basement die 110. . At this time, it is preferable that a screw portion (not shown) is formed on the inner circumferential surface of the fixing groove. In addition, a plurality of drainage holes 113 are formed in the vertical direction in the super underground mold 110.

상기 고정블럭(130)은 사각기둥 형상으로 일측에 초지하형틀 안착단(133)이 형성되어진고, 타측에 하형지지빔 안착단(137)이 형성되어진다. 여기서, 상기 초지하형틀 안착단(133)과 상기 하형지지빔 안착단(137)에 각각 고정구(134, 138)가 형성되고, 상기 초지하형틀 안착단(133)에 상기 초지하형틀(110)의 하측부가 안착되어진다.The fixed block 130 has a rectangular pillar shape, the super-base mold seating end 133 is formed on one side, and the lower support beam seating end 137 is formed on the other side. Here, the fasteners 134 and 138 are formed in the super-basement mold seating end 133 and the lower mold support beam seating end 137, respectively, and the super-basement mold 110 in the super-baseframe seating end 133. The lower part of is seated.

상기 하형지지빔(120)은 상기 고정블럭(130)의 하형지지빔 안착단(137)에 하측부중 일측이 안착되고, 상기 하형지지빔 안착단(137)의 고정구(138)와 연결된 통로를 형성하는 결합홈(미도시)이 상기 하형지지빔(120)의 하측부에 형성되어진다. 또한, 상기 하형지지빔(120)의 외측면을 따라 돌출부(121)가 돌출형성 되어지고, 상기 돌출부(121)의 일측에 장착고정구(123)가 형성되어진다. 아울러, 상기 하형지지빔 (120)의 정단면은 입구자('ㅁ') 형태로 구성되는 것이 바람직하다.The lower mold support beam 120 has one side of the lower part mounted on the lower mold support beam seating end 137 of the fixed block 130, and a passage connected to the fixture 138 of the lower mold support beam seating end 137. Coupling grooves (not shown) to be formed are formed in the lower portion of the lower mold support beam 120. In addition, the protrusion 121 is protruded along the outer surface of the lower support beam 120, the mounting fixture 123 is formed on one side of the protrusion 121. In addition, the front end surface of the lower support beam 120 is preferably configured in the form of inlet ('ㅁ').

한편, 상기 초지하형틀(110)과 상기 하형지지빔(120)은 상기 고정블럭(130)과 다수의 고정수단(139)으로 고정되는 것이 바람직하다. 이때, 상기 고정수단(139)은 상기 고정블럭(130)의 일측에 형성된 고정구(134)와 상기 초지하형틀(110)의 고정홈과 나사결합하여 체결되어진다. 또한, 상기 고정수단(139)은 상기 고정블럭(130)의 타측에 형성된 고정구(138)와 상기 하형지지빔(120)의 결합홈과 나사결합하여 체결되어진다. 여기서, 상기 고정수단(139)은 볼트인 것이 바람직하다.On the other hand, the super-structure frame 110 and the lower mold support beam 120 is preferably fixed to the fixing block 130 and a plurality of fixing means (139). At this time, the fixing means 139 is fastened by screwing the fixing groove 134 formed on one side of the fixing block 130 and the fixing groove of the super underground mold 110. In addition, the fixing means 139 is fastened by screwing the coupling groove of the fixing tool 138 and the lower support beam 120 formed on the other side of the fixing block 130. Here, the fixing means 139 is preferably a bolt.

상기 하형장착부(140)는 상기 하형지지빔(120)의 하부에 구비되고, 상기 하형지지빔(120)이 상기 하형장착부(140)의 상부에 안착되어진다. 또한, 상기 하형장착부(140)는 사각기둥 형상으로 구성되고, 상기 하형장착부(140)의 내측에 배출홈(141)이 형성되되, 상기 배출홈(141)의 상부가 개방되어 형성되어진다. 여기서, 상기 하형장착부(140)는 전체적으로 디긋자('ㄷ') 형태의 측단면을 형성하고, 하측부에 배출구(미도시)가 형성되어진다.The lower mold mounting portion 140 is provided below the lower mold supporting beam 120, and the lower mold supporting beam 120 is seated on the upper portion of the lower mold mounting portion 140. In addition, the lower mold mounting portion 140 is configured in a rectangular pillar shape, the discharge groove 141 is formed inside the lower mold mounting portion 140, the upper portion of the discharge groove 141 is formed to be open. Here, the lower mold mounting portion 140 has a side cross-section in the form of a declination ('c') as a whole, the discharge port (not shown) is formed in the lower side.

또한, 상기 하형장착부(140)의 상측부에는 지지빔고정홈(미도시)이 형성되고, 상기 하형지지빔(120)의 장착고정구(123)와 체결된 결합수단(150)이 상기 지지빔고정홈에 나사결합되어 상기 하형장착부(140)와 상기 하형지지빔(120)이 고정되어진다. 여기서, 상기 결합수단(150)은 볼트인 것이 바람직하다.In addition, a support beam fixing groove (not shown) is formed at an upper side of the lower mold mounting portion 140, and the coupling means 150 coupled with the mounting fixture 123 of the lower mold supporting beam 120 fixes the support beam. The lower mold mounting portion 140 and the lower mold support beam 120 are fixed by being screwed into the groove. Here, the coupling means 150 is preferably a bolt.

이와같이, 본 발명의 구체적인 실시예에 관해 상세히 설명하였으나, 본 발명이 속하는 분야에 통상의 지식을 갖는 자라면, 본 발명의 범주에서 벗어나지 않는 범위에서 다양한 변형 및 수정이 가능함은 당업자에게 있어서 명백한 것이다.As described above, specific embodiments of the present invention have been described in detail. However, it will be apparent to those skilled in the art that various changes and modifications can be made without departing from the scope of the present invention.

그러므로, 본 발명의 범위는 상술한 실시예에 국한되어 정해져서는 안되며, 후술하는 특허청구범위 뿐만 아니라, 이 청구범위와 균등한 것들에 의해 정해져야 할 것이다.Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined not only by the claims below, but also by those equivalent to the claims.

상술한 바와 같이, 본 발명의 펄프 몰딩기의 분할형 하부금형은, 펄프 몰딩기 작업시 우수한 초지 성형품을 생산하는 구조로 구비되고, 초지하형틀과 하형장착부 사이에 견고한 결합을 하여 작업성과 생산성이 증대되는 효과가 있다.As described above, the divided lower mold of the pulp molding machine of the present invention is provided with a structure that produces excellent paper molded products during the operation of the pulp molding machine, and has a tight coupling between the paper mold and the lower mold mounting portion, thereby improving workability and productivity. There is an augmented effect.

또한, 펄프 몰딩 작업시 필요한 부분의 금형 부분인 초지하형틀 만을 교체할 수 있어 생산비가 절감되는 효과가 있다.In addition, it is possible to replace only the super-underground mold, which is a mold part of the part required for the pulp molding operation, thereby reducing the production cost.

Claims (7)

다수의 배수구멍(113)이 수직방향으로 형성되고, 상부에 오목한 수용홈(111)이 형성된 초지하형틀(110);A plurality of drainage holes 113 formed in a vertical direction and having a concave receiving groove 111 formed thereon; 상기 초지하형틀(110)에 일측이 고정되는 고정블럭(130);A fixed block 130 having one side fixed to the super underground mold 110; 상기 고정블럭(130)의 타측에 고정되는 하형지지빔(120); 및A lower support beam 120 fixed to the other side of the fixed block 130; And 상기 하형지지빔(120)의 하부에 구비되어있는 하형장착부(140);를 포함하여 이루어지며,It comprises a; lower lower mounting portion 140 which is provided on the lower lower support beam 120; 상기 고정블럭(130)은, 일측에 상기 초지하형틀(110)이 안착되는 초지하형틀 안착단(133)이 형성되고, 타측에 상기 하형지지빔(120)이 안착되는 하형지지빔 안착단(137)이 형성된 것을 특징으로 하는 펄프 몰딩기의 분할형 하부금형.The fixed block 130 is formed on one side of the super-base mold seating stage 133 on which the super-base mold 110 is seated, and the lower-type support beam seating stage on which the lower-type support beam 120 is seated on the other side ( 137) is formed, divided bottom mold of the pulp molding machine. 삭제delete 삭제delete 삭제delete 제 1항에 있어서, The method of claim 1, 상기 하형지지빔(120)의 정단면은 입구자('ㅁ') 형태로 형성된 것을 특징으로 하는 펄프 몰딩기의 분할형 하부금형.The front end surface of the lower mold support beam 120 is divided lower mold of the pulp molding machine, characterized in that formed in the shape of the inlet ('ㅁ'). 제 1항에 또는 제 5항에 있어서, The method according to claim 1 or 5, 상기 하형지지빔(120)의 측면부를 따라 돌출부(121)가 형성된 것을 특징으로 하는 펄프 몰딩기의 분할형 하부금형.Split type lower mold of the pulp molding machine, characterized in that the protrusion 121 is formed along the side portion of the lower mold support beam (120). 제 1항에 있어서,상기 하형장착부(140)는,According to claim 1, The lower mold mounting portion 140, 사각기둥 형상으로 구성되고, 상기 하형장착부(140)의 내측에 배출홈(141)이 형성되되, 상기 배출홈(141)의 상부가 개방되어 구성된 것을 특징으로 하는 펄프 몰딩기의 분할형 하부금형.Comprising a square pillar shape, the discharge groove 141 is formed on the inner side of the lower mold mounting portion 140, divided type lower mold of the pulp molding machine, characterized in that the upper portion of the discharge groove 141 is configured to open.
KR1020070110562A 2007-10-31 2007-10-31 The lower part mold of pulp molding machine KR100815262B1 (en)

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Publication number Priority date Publication date Assignee Title
KR20210083413A (en) * 2019-12-26 2021-07-07 임영훈 Mold structure for case manufacturing with mold unit replacement function

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KR20000012281A (en) * 1999-11-17 2000-03-06 이상한 Molding System for Pulp Tray
KR20030036784A (en) * 2000-09-13 2003-05-09 니세이 가부시끼 가이샤 Biodegradable molded article, manufacturing method thereof, and composition for expansion molding
KR200311875Y1 (en) 2003-01-17 2003-05-09 김경환 Pulp mold system
KR200350568Y1 (en) 2004-02-21 2004-05-13 박충용 Structure of molding part for pulp molding system

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Publication number Priority date Publication date Assignee Title
KR20000012281A (en) * 1999-11-17 2000-03-06 이상한 Molding System for Pulp Tray
KR20030036784A (en) * 2000-09-13 2003-05-09 니세이 가부시끼 가이샤 Biodegradable molded article, manufacturing method thereof, and composition for expansion molding
KR200311875Y1 (en) 2003-01-17 2003-05-09 김경환 Pulp mold system
KR200350568Y1 (en) 2004-02-21 2004-05-13 박충용 Structure of molding part for pulp molding system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210083413A (en) * 2019-12-26 2021-07-07 임영훈 Mold structure for case manufacturing with mold unit replacement function
KR102317721B1 (en) 2019-12-26 2021-10-26 임영훈 Mold structure for case manufacturing with mold unit replacement function

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