KR20230042992A - A method of manufacturing a farm implement rod made of a composite material and a farm implement rod manufactured by this manufacturing method - Google Patents

A method of manufacturing a farm implement rod made of a composite material and a farm implement rod manufactured by this manufacturing method Download PDF

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KR20230042992A
KR20230042992A KR1020210125946A KR20210125946A KR20230042992A KR 20230042992 A KR20230042992 A KR 20230042992A KR 1020210125946 A KR1020210125946 A KR 1020210125946A KR 20210125946 A KR20210125946 A KR 20210125946A KR 20230042992 A KR20230042992 A KR 20230042992A
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South Korea
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handle
bag
fastening
forming
molding
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KR1020210125946A
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Korean (ko)
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최윤훈
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최윤훈
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B1/00—Hand tools
    • A01B1/02—Spades; Shovels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/1418—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles the inserts being deformed or preformed, e.g. by the injection pressure
    • B29C45/14262—Clamping or tensioning means for the insert
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14336—Coating a portion of the article, e.g. the edge of the article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14065—Positioning or centering articles in the mould
    • B29C2045/14122—Positioning or centering articles in the mould using fixed mould wall projections for centering the insert

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

The present invention relates to a method for manufacturing a farm equipment rod made of a composite material and a farm equipment rod prepared thereby, which comprises: a rod internal material molding process, a rod outer material molding process, a handle unit molding process, and a handle unit fastening process, wherein in the rod internal material molding process, a fastening hole is formed at the back of the internal material in the rod internal material of the metal pipe structure and the leading end of the internal material is pressurized to reduce a diameter and, in the rod outer material molding process, a synthetic resin outer material is molded on the outer surface of the rod inner material to form a handle portion to keep the fastening hole intact. In the handle unit molding process, the handle portion of the handle structure is molded such that the rear side of the rod portion is inserted into the leading end and a fastening hole is formed on the leading end and, in the handle portion fastening process, the rear side of the rod portion is inserted into the leading end of the handle portion to fasten the matched handle portion into the fastening hole of the handle portion by a fastening means, thereby configuring the rod outer material of the synthetic resin on the outer surface of the metal rod outer material and allowing the handle portion to be disassembled and joined.

Description

복합재질로 구성되는 농기구 자루의 제조방법 및 이 제조방법에 의해 제조된 농기구 자루{A METHOD OF MANUFACTURING A FARM IMPLEMENT ROD MADE OF A COMPOSITE MATERIAL AND A FARM IMPLEMENT ROD MANUFACTURED BY THIS MANUFACTURING METHOD}Manufacturing method of agricultural tool handle made of composite material and agricultural tool handle manufactured by this manufacturing method

본 발명은 복합재질로 구성되는 농기구 자루의 제조방법 및 이 제조방법에 의해 제조된 농기구 자루에 관한 것으로, 자루속재 성형공정, 자루겉재 성형 공정, 손잡이부 성형공정, 손잡이부 체결 공정으로 이루어지며, 자루속재 성형 공정은 금속 파이프 구조의 자루속재에서 속재후미에 체결구멍을 형성하고, 속재선단 측을 가압하여 직경을 축소하며, 자루겉재 성형 공정은, 자루속재 외면에 합성수지 자루겉재를 성형하여 자루부를 이루되, 체결구멍을 유지하며, 손잡이부 성형 공정은 손잡이 구조의 손잡이부를 성형하되, 선단 측 내부로 자루부 후미 측이 끼움되고, 선단 측에 체결구멍을 형성하며, 손잡이부 체결 공정은 손잡이부 선단 측 내로 자루부 후미 측을 끼워 일치된 자루부와 손잡이부의 체결구멍에 체결수단으로 체결함으로써, 금속의 자루속재 외면에 합성수지의 자루겉재가 구성되고, 손잡이부가 분해결합되는 농기구 자루의 제조방법과 농기구 자루에 관한 것이다.The present invention relates to a manufacturing method of agricultural tool handles made of composite materials, and to agricultural tool handles manufactured by the manufacturing method, which are composed of a sack inner material forming process, a sack outer material forming process, a handle forming process, and a handle fastening process, In the bag filling process, a fastening hole is formed at the rear end of the stuffing material in the bag material having a metal pipe structure, and the diameter is reduced by pressing the tip of the stuffing material. Do, while maintaining the fastening hole, the handle part forming process forms the handle part of the handle structure, the rear side of the handle part is fitted into the inside of the front end side, and a fastening hole is formed on the front end side, and the handle part fastening process is performed at the front end of the handle part. By inserting the rear side of the handle part into the side and fastening it with a fastening means in the matching hole of the handle part and the handle part, a synthetic resin bag outer material is formed on the outer surface of the metal handle part, and a method of manufacturing a agricultural implement handle in which the handle part is disassembled and combined. It's about the sack.

일반적으로 삽과 같이 길이가 긴 자루 일측에 손잡이, 타측에 농기구가 결합된 도구는 주로 자루에서 손잡이까지를 나무로 제작하며, 타측에 금속의 농기구를 결합해 사용해왔다.In general, tools in which a handle on one side of a long handle and a farming tool on the other side are combined, such as a shovel, are mainly made of wood from the handle to the handle, and have been used by combining a metal agricultural tool on the other side.

또한, 이러한 농기구에서 자루를 금속으로 만들 경우에도 자루에서 손잡이 까지를 일체형으로 제작하여 타측에 농기구를 결합하는 형태로 사용해왔다.In addition, even when the handle is made of metal in these agricultural tools, it has been used in the form of combining the agricultural tool to the other side by manufacturing it integrally from the handle to the handle.

자루에서 손잡이까지가 나무로 구성할 경우, 나무 재질의 특성상, ?グ킬?, 부러짐, 파손 시 외면에 가시돌출 등의 문제점이 있었으며, 자루에서 손잡이까지를 금속으로 구성할 경우, 무거운 무게로 인한 피로감, 관리 부실 시 녹 발생 등의 문제점이 있었다.When the handle is made of wood from the handle, due to the nature of the wood material, there are problems such as ?gkill?, breakage, and protrusion of thorns on the outer surface when damaged. There were problems such as fatigue and rust generation in case of poor management.

이러한 나무로 구성된 농기구 자루의 문제점과 금속으로 구성된 농기구 자루의 문제점을 해결하고자 복합재질로 구성된 농기구의 자루 개발이 이루어지고 있는데, 그 예로, 국내특허등록 제1873355호에서는 파이프의 일측에 핀공을 뚫고 파이프 양측을 눌러 확장부를 형성하는 제1공정과, 삽날에 끼워진 삽자루가 휘어지거나 부러지는 것을 방지하기 위해 합성수지부 내측에 구비된 파이프의 하부 양단을 눌러 단면형상을 타원형으로 형성하여 파이프 양단에 수직면을 형성하는 지지부를 형성하는 제2공정과, 파이프를 고정금형의 충진실에 삽입하여 확장부 양단부가 충진실의 내벽에 밀착 고정되게 하고 동시에 충진실 내벽에 돌출한 고정핀이 파이프에 뚫어 놓은 핀공을 관통하게 하여 파이프가 충진실 내에 견고하게 고정되도록 하는 제3공정과, 가동금형을 고정금형과 마주보게 닫고 금형을 폐쇄한 후 주입구를 통하여 수지용액을 주입하여 충진실에 수지용액이 충진되게하는 제4공정과, 충진실에 충진된 수지용액을 냉각 경화시킨 후 탈형하는 제5공정으로 제조하는 것을 특징으로 하는 "합성수지 삽자루의 제조방법 및 그 삽자루"가 게시되어 있다.In order to solve the problems of agricultural tool handles made of wood and metal handles, development of agricultural tool handles made of composite materials has been developed. The first step of pressing both sides to form an expanded part, and pressing both ends of the lower part of the pipe provided inside the synthetic resin part to prevent the shovel handle inserted into the blade from bending or breaking, forming an oval cross-section to form a vertical plane at both ends of the pipe The second step of forming the supporting part, inserting the pipe into the filling chamber of the fixed mold so that both ends of the expansion part are closely fixed to the inner wall of the filling chamber, and at the same time, the pin hole protruding from the inner wall of the filling chamber is drilled into the pipe. The third process of making sure that the pipe is firmly fixed in the filling chamber by penetrating, closing the movable mold facing the fixed mold, closing the mold, and then injecting the resin solution through the injection port to fill the filling chamber with the resin solution A "method of manufacturing a synthetic resin shovel handle and its shovel handle" is disclosed, characterized in that it is manufactured by a fourth process and a fifth process of cooling and hardening the resin solution filled in the filling chamber and then demolding it.

등록번호/일자 1018733550000 (2018.06.26)Registration number/date 1018733550000 (2018.06.26)

그러나 국내특허등록 제1873355호에의 "합성수지 삽자루의 제조방법 및 그 삽자루" 및 이와 유사한 방법으로 제조되는 합성수지 삽자루의 경우, 자루에서 손잡이 까지가 일체로 형성됨으로써, 자루부위 또는 손잡이부위의 파손 시, 전체를 교체하여야 하는 문제점이 있었다.However, in the case of a synthetic resin shovel handle manufactured by Korean Patent Registration No. 1873355 "Method of manufacturing synthetic resin shovel handle and its shovel handle" and a similar method, the handle is integrally formed, so that the handle or handle is In case of damage, there was a problem in that the entire unit had to be replaced.

따라서 본 발명은 전술된 문제점을 해결하고자, 복합재질의 자루부와 손잡이부를 따로 성형하여, 체결하여 농기구 자루를 구성하되, 그 방법으로, 금속 파이프 구조의 자루속재를 구성하고, 속재후미 측에 적어도 하나의 체결구멍을 형성하고, 속재선단 측 외경을 가압하여 직경을 축소하는 자루속재 성형 공정; 자루겉재의 성형틀에 자루속재를 안착하고, 자루속재 외면에 합성수지의 자루겉재를 성형하여 자루부를 이루되, 속재후미의 체결구멍과 일치되는 체결구멍을 형성하는 자루겉재 성형 공정; 손잡이 구조의 손잡이부를 구성하되, 선단 측 내부로 자루부 후미 측이 끼움되고, 선단 측에 체결구멍을 형성하는 손잡이부 성형 공정; 손잡이부 선단 측 내로 자루부 후미 측을 끼워, 자루부의 체결구멍과 손잡이부의 체결구멍을 일치시킨 후, 체결수단으로 자루부와 손잡이부를 체결하는 손잡이부 체결 공정;으로 제조함으로써, 금속의 자루속재 외면에 합성수지의 자루겉재가 구성되고, 손잡이부가 분해결합되도록 한다.Therefore, the present invention, in order to solve the above-mentioned problems, separately molds and fastens the handle and handle of a composite material to form a handle, but in that way, to configure a handle of a metal pipe structure, and at least on the rear end of the handle a bag filling process of forming one fastening hole and reducing the diameter by pressing the outer diameter at the end of the filling material; A bag cover molding step of placing the bag cover material on a molding frame of the bag cover material and forming a bag part by forming a bag cover material made of synthetic resin on an outer surface of the bag cover material, and forming a fastening hole matching the fastening hole of the back end of the bag material; Constituting the handle of the handle structure, the handle forming step of fitting the rear side of the handle into the inside of the front end and forming a fastening hole on the front end; By inserting the rear side of the handle into the tip side of the handle, matching the fastening hole of the handle with the fastening hole of the handle, and then fastening the handle to the handle with a fastening means; A bag cover made of synthetic resin is formed on the handle, and the handle part is disassembled and coupled.

이와 같이 본 발명은, 복합재질의 자루부와 손잡이부를 따로 성형하여, 체결함으로써, 자루부 또는 손잡이부 중, 어느 한 부의 파손 시, 분해하여 교체할 재결합할 수 있으며, 자루부의 경우, 금속의 자루속재 외면에 합성수지의 자루겉재를 성형함으로써, 금속 자루속재의 녹 방지와 자루속재의 파손을 방지하며, 복합재질로 구성됨으로써, 금속 재질로만 이루어진 자루보다 가벼운 이점이 있다.In this way, the present invention, by separately molding and fastening the handle and handle of the composite material, when any one of the handle or handle is damaged, it can be disassembled and reassembled for replacement, and in the case of the handle, a metal handle. By molding the bag outer material of synthetic resin on the outer surface of the inner material, rust and damage of the metal inner material are prevented, and since it is composed of a composite material, there is an advantage that it is lighter than a bag made of only metal materials.

도 1은 본 발명의 예시에 따라 제작된 농기구 자루의 사시도.
도 2와 3은 본 발명의 예시에 따른 자루속재 성형 공정의 사시도.
도 4는 본 발명의 예시에 따른 자루겉재 성형 공정의 평면과 측단면도.
도 5는 본 발명의 예시에 따른 자루부의 사시도.
도 6은 본 발명의 예시에 따른 손잡이부의 사시도.1 is a perspective view of a agricultural tool bag manufactured according to an example of the present invention.
2 and 3 are perspective views of a bag filling material forming process according to an example of the present invention.
4 is a plane and side cross-sectional view of a bag cover molding process according to an example of the present invention.
Figure 5 is a perspective view of the handle according to an example of the present invention.
Figure 6 is a perspective view of the handle according to an example of the present invention.

본 발명은 복합재질로 구성되는 농기구 자루의 제조방법 및 이 제조방법에 의해 제조된 농기구 자루에 관한 것으로, 자루속재 성형공정, 자루겉재 성형 공정, 손잡이부 성형공정, 손잡이부 체결 공정으로 이루어지며, 자루속재 성형 공정은 금속 파이프 구조의 자루속재에서 속재후미에 체결구멍을 형성하고, 속재선단 측을 가압하여 직경을 축소하며, 자루겉재 성형 공정은, 자루속재 외면에 합성수지 자루겉재를 성형하여 자루부를 이루되, 체결구멍을 유지하며, 손잡이부 성형 공정은 손잡이 구조의 손잡이부를 성형하되, 선단 측 내부로 자루부 후미 측이 끼움되고, 선단 측에 체결구멍을 형성하며, 손잡이부 체결 공정은 손잡이부 선단 측 내로 자루부 후미 측을 끼워 일치된 자루부와 손잡이부의 체결구멍에 체결수단으로 체결함으로써, 금속의 자루속재 외면에 합성수지의 자루겉재가 구성되고, 손잡이부가 분해결합되는 농기구 자루의 제조방법과 농기구 자루에 관한 것이다.The present invention relates to a manufacturing method of agricultural tool handles made of composite materials, and to agricultural tool handles manufactured by the manufacturing method, which are composed of a sack inner material forming process, a sack outer material forming process, a handle forming process, and a handle fastening process, In the bag filling process, a fastening hole is formed at the rear end of the stuffing material in the bag material having a metal pipe structure, and the diameter is reduced by pressing the tip of the stuffing material. Do, while maintaining the fastening hole, the handle part forming process molds the handle part of the handle structure, the rear side of the handle part is fitted into the inside of the front end side, and a fastening hole is formed on the front end side, and the handle part fastening process is performed at the front end of the handle part By inserting the rear side of the handle part into the side and fastening it with a fastening means in the matching hole of the handle part and the handle part, a synthetic resin bag outer material is formed on the outer surface of the metal handle part, and a method of manufacturing a agricultural implement handle in which the handle part is disassembled and combined. It's about the sack.

본 발명의 복합재질로 구성되는 농기구 자루의 제조방법은 자루속재 성형 공정, 자루겉재 성형 공정, 손잡이부 성형 공정, 손잡이부 체결 공정으로 나눠지며, 이를 순차 설명 하면 다음과 같다.The manufacturing method of the agricultural tool handle made of the composite material of the present invention is divided into a bag inner material forming process, a bag outer material forming process, a handle forming process, and a handle fastening process, which are sequentially described as follows.

먼저, 자루속재 성형 공정은, 도 2에서 도시한 바와 같이, 금속 파이프 구조의 자루속재(110)를 구성하고, 자루속재(110)의 속재후미(113) 측에 적어도 하나, 바람직하게는 길이방향으로 두개의 체결구멍(112)을 관통하여 형성하고, 도 3에서 도시한 바와 같이, 자루속재(110)에서 속재선단(111) 측 외경을 가압하여 직경을 축소한다.First, as shown in FIG. 2, in the bag inner material forming process, at least one bag inner material 110 having a metal pipe structure is formed, and at least one inner bag material 113 side of the bag inner material 110, preferably in the longitudinal direction. As shown in FIG. 3, the outer diameter of the inner end 111 side of the inner material 110 is pressed to reduce the diameter.

이때, 자루속재(110)는 두께 25mm, 길이는 620mm가 바람직하며, 축소된 속재선단(111)의 직경은 20mm가 바람직하며, 자루속재(110) 외면에 요철을 형성할 수도 있다.At this time, the bag material 110 preferably has a thickness of 25 mm and a length of 620 mm, and the diameter of the reduced tip 111 of the bag material 110 is preferably 20 mm.

다음, 자루겉재 성형 공정은 도 4에서 도시한 바와 같이, 자루겉재(120)가 성형될 성형틀(20)을 구성하되, 성형틀(20)은 자루속재(110)가 안착되면서 자루겉재(120)가 성형될 성형공간(23)이 형성되고, 성형틀(20) 일측에 형성된 탕구(21)에서 성형공간(23)으로 이어지는 탕로(22)가 형성된다.Next, as shown in FIG. 4, in the bagging material forming process, the forming mold 20 on which the bagging material 120 is to be formed is formed, and the bagging material 120 is placed in the molding mold 20 while the bagging material 110 is seated. ) is formed, and a spout 22 leading to the molding space 23 from the sprue 21 formed on one side of the molding mold 20 is formed.

이때, 성형공간(23)은 선단과 후미 측에 자루속재(110)의 속재선단(111)과 속재후미(113)의 각 끝 일부가 끼움되는 공간을 형성하고, 상부 성형틀(20)과 하부 성형틀(20)의 성형공간(23)마다 자루속재(110)의 체결구멍(112)에 끼움되는 고정핀(25)을 수직 돌출하고, 하부 성형틀(20)의 성형공간(23) 밑에서 수직 돌출되어 자루속재(110)를 받쳐주는 지지핀(24)을 형성한다.At this time, the forming space 23 forms a space at the front and rear sides where the tip 111 of the filling material 110 and the part of each end of the filling material tail 113 are fitted, and the upper molding frame 20 and the lower part of the filling material 110 are inserted. The fixing pins 25 inserted into the fastening holes 112 of the bag material 110 protrude vertically in each molding space 23 of the molding frame 20, and vertically below the molding space 23 of the lower molding mold 20. A support pin 24 protruding to support the bag material 110 is formed.

이때, 지지핀(24)은 좌우 두개의 한쌍으로 일정 길이 간격마다, 적어도 세쌍 형성하여, 자루속재(110)의 이탈과 유동을 방지하는 것이 바람직하다.At this time, it is preferable that at least three pairs of support pins 24 are formed at intervals of a certain length in pairs of left and right to prevent separation and flow of the bag material 110.

이러한 성형틀(20) 중, 하부 성형틀(20)의 성형공간(23)에 자루속재(110)를 안착하되, 성형틀(20)의 고정핀(25)에 자루속재(110)의 체결구멍(112)이 끼움되면서, 자루속재(110)의 속재선단(111)과 속재후미(113)의 각 끝 일부가 성형공간(23)의 양 끝에 끼움되도록 성형공간(23)의 지지핀(24) 위에 자루속재(110)를 안착시킨다.Among these forming molds 20, the bag material 110 is seated in the molding space 23 of the lower mold 20, and the fastening hole of the bag material 110 is attached to the fixing pin 25 of the mold 20. As the 112 is inserted, the support pins 24 of the molding space 23 so that the tip 111 of the stuffing material 110 and the ends of the stuffing material tail 113 are fitted to both ends of the molding space 23. The bag material 110 is seated on top.

그 후, 상부 성형틀(20)의 고정핀(25)이 자루속재(110)의 체결구멍(121)에 끼움되도록 두 성형틀(20)을 체결한 다음, 탕구(21)로 용융된 합성수지를 주입하여, 탕로(22)를 지나 성형공간(23)을 가득 체운 합성수지에 의해 자루속재(110)를 감싸는 자루겉재(120)가 성형된다.Then, the two molds 20 are fastened so that the fixing pins 25 of the upper mold 20 are inserted into the fastening holes 121 of the bag material 110, and then the melted synthetic resin is poured into the sprue 21. The outer material 120 covering the inner material 110 is molded by the synthetic resin that is injected and passes through the bath 22 and fills the molding space 23.

그 후, 성형틀(20)를 분리하여 도 5에서 도시한 바와 같이, 자루속재(110)와 자루겉재(120)를 포함하는 자루부(100)를 이루는데, 자루속재(110)의 속재선단(111) 속재후미(113)의 끝 일부가 자루겉재(120)에서 노출되면서, 자루겉재(120)에는 성형공간(23)의 지지핀(24)에 의해 핀홀(121)이, 고정핀(25)에 의해 체결구멍(121)이 형성된다.Thereafter, the mold 20 is separated to form the bag portion 100 including the bag inner material 110 and the bag outer material 120 as shown in FIG. (111) As part of the end of the back end of the inner material 113 is exposed in the outer bag material 120, the pin hole 121 is formed in the outer bag material 120 by the support pin 24 of the molding space 23, and the fixing pin 25 ) The fastening hole 121 is formed by.

덧붙여, 자루겉재(120) 성형 시, 자루속재(110)의 개방된 속재선두(111)와 속재후미(113)에 각각 마개를 끼우고, 자루겉재(120)를 성형한 후, 마개를 제거하여 자루속재(110) 내부로 자루겉재(120)를 이루는 용융된 합성수지가 유입되지 않도록 할 수도 있다.In addition, when forming the outer bag material 120, a stopper is inserted into the open head of the inner material 111 and the end of the inner material 113 of the inner bag material 110, and after molding the outer bag material 120, the stopper is removed. It is also possible to prevent the molten synthetic resin constituting the bag outer material 120 from flowing into the inner bag material 110.

다음, 손잡이부 성형 공정은 도 6에서 도시한 바와 같이, 선단 측 내부로 자루부(100) 후미 측이 끼움되는 손잡이 구조의 손잡이부(200)를 합성수지로 성형하되, 선단 측에 자루부(100)의 체결구멍(112)(121)에 대응되는 체결구멍(212)을 형성한다.Next, as shown in FIG. 6, in the process of forming the handle part, the handle part 200 having a handle structure in which the rear side of the handle part 100 is fitted into the inside of the front end is molded with synthetic resin, but the handle part 100 is formed on the front end side. ) to form fastening holes 212 corresponding to the fastening holes 112 and 121.

이때, 손잡이부(200)의 체결구멍(212)은 선후로 두개의 체결구멍(212)을 형성하고, 두 체결구멍(212) 사이 외주연을 따라 링홈(211)을 형성 후, 링홈(211)에 끼워지는 금속의 인서트링(220)을 구성한다.At this time, the fastening hole 212 of the handle part 200 forms two fastening holes 212 sequentially, and after forming the ring groove 211 along the outer periphery between the two fastening holes 212, the ring groove 211 It constitutes a metal insert ring 220 fitted in the.

아울러, 손잡이부(200)의 손잡이(210)는 파지가 용이하게 사용자의 손가락에 대응되는 요철을 형성 및 미끔림 방지 요철등을 형성할 수 있다.In addition, the handle 210 of the handle portion 200 may form irregularities corresponding to the user's fingers to facilitate gripping and irregularities to prevent sliding.

끝으로, 손잡이부 체결 공정은 손잡이부(200) 선단 측 내로 자루부(100) 후미 측을 끼워, 자루부(100)와 손잡이부(200)의 체결구멍(112)(121)(212)을 일치 시킨 후, 볼트나 피스 등과 같은 체결수단으로 체결한다.Finally, in the process of fastening the handle part, the handle part 200 is inserted into the front end side of the handle part 100, and the fastening holes 112, 121, and 212 of the handle part 100 and the handle part 200 are formed. After matching, fasten with fastening means such as bolts or pieces.

그리고 사용 시, 자루부(100)나 손잡이부(200)의 파손 시, 체결수단을 해제한 후, 파손된 자루부(100)나 손잡이부(200)를 교체한 다음 다시 체결수단으로 체결할 수도 있다.In use, when the handle part 100 or handle part 200 is damaged, after releasing the fastening means, the damaged handle part 100 or handle part 200 can be replaced and then fastened again with the fastening means. there is.

이렇게 제조되는 농기구 자루(1)는 자루부(100)가 금속 파이프 구조의 자루속재(110) 외면에 합성수지의 자루겉재(120)가 성형됨으로써, 합성수지로 이루어진 종래 농기구 자루나 목재로 이루어진 종래 농기구 자루보다 튼튼할 뿐만 아니라, 금속으로 이루어진 종래 농기구 자루보다 가벼워 사용성이 용이하면서 녹방지나 관리가 용이한 특징이 있다. In the agricultural tool handle 1 manufactured in this way, the handle portion 100 is molded with a synthetic resin outer material 120 on the outer surface of the handle inner material 110 having a metal pipe structure, so that a conventional agricultural implement handle made of synthetic resin or a conventional agricultural implement handle made of wood. Not only is it more durable, but it is lighter than the conventional agricultural tool handle made of metal, and it is easy to use and easy to manage and prevent rust.

또한, 금속 파이프 구조의 자루속재(110)에서 속재선단(111)이 가압되어 외경이 축소됨으로써, 삽 머리와 같은 농기구가 결합되는 속재선단(111)의 강도는 강화되는 특징이 있으며, 손잡이부(200)의 두 체결구멍(212) 사이에 금속 인서트링(220)이 구성됨으로써, 자루부(100)와 손잡이부(200)의 체결된 부분의 강도를 강화하여 파손을 방지하는 특징이 있다. In addition, the tip 111 of the plinth 111 of the metal pipe structure is pressed and the outer diameter is reduced, so that the strength of the tip 111 to which agricultural tools such as the shovel head are coupled is strengthened, and the handle portion ( Since the metal insert ring 220 is formed between the two fastening holes 212 of 200), the strength of the fastened portion between the handle 100 and the handle 200 is strengthened to prevent breakage.

아울러, 자루부(100)와 손잡이부(200)가 분리결합 가능함으로써, 자루부(100)의 파손 또는 손잡이부(200)의 파손 시, 파손된 어느 부를 교체할 수 있다는 특징이 있다. In addition, since the handle part 100 and the handle part 200 can be separated and coupled, when the handle part 100 is damaged or the handle part 200 is damaged, any damaged part can be replaced.

1: 농기구 자루 20: 성형틀 21: 탕구
22: 탕로 23: 성형공간 24: 지지핀
25: 고정핀 100: 자루부 110: 자루속재
111: 속재선단 112: 체결구멍 113: 속재후미
120: 자루겉재 121: 핀홀 122: 체결구멍
200: 손잡이부 210: 손잡이 211: 링홈
212: 체결구멍 220: 인서트링1: agricultural tool handle 20: mold 21: sprue
22: bath 23: molding space 24: support pin
25: fixing pin 100: bag part 110: bag material
111: inner material tip 112: fastening hole 113: inner material rear end
120: bag cover 121: pin hole 122: fastening hole
200: handle part 210: handle 211: ring groove
212: fastening hole 220: insert ring

Claims (5)

금속 파이프 구조의 자루속재를 구성하고, 속재후미 측에 적어도 하나의 체결구멍을 형성하고, 속재선단 측 외경을 가압하여 직경을 축소하는 자루속재 성형 공정;
자루겉재의 성형틀에 자루속재를 안착하고, 자루속재 외면에 합성수지의 자루겉재를 성형하여 자루부를 이루되, 속재후미의 체결구멍과 일치되는 체결구멍을 형성하는 자루겉재 성형 공정;
손잡이 구조의 손잡이부를 구성하되, 선단 측 내부로 자루부 후미 측이 끼움되고, 선단 측에 체결구멍을 형성하는 손잡이부 성형 공정;
손잡이부 선단 측 내로 자루부 후미 측을 끼워, 자루부의 체결구멍과 손잡이부의 체결구멍을 일치시킨 후, 체결수단으로 자루부와 손잡이부를 체결하는 손잡이부 체결 공정;으로 제조함으로써,
금속의 자루속재 외면에 합성수지의 자루겉재가 구성되고, 손잡이부가 분해결합되는 것을 특징으로 하는 복합재질로 구성되는 농기구 자루의 제조방법.
a bag inner material forming step of forming a bag inner material having a metal pipe structure, forming at least one fastening hole at the trailing side of the inner material, and compressing an outer diameter of the inner end side of the inner material to reduce the diameter;
A bag cover molding step of placing the bag cover material on a molding frame of the bag cover material and forming a bag part by forming a bag cover material made of synthetic resin on an outer surface of the bag cover material, and forming a fastening hole matching the fastening hole of the back end of the bag material;
Constituting the handle of the handle structure, the handle forming step of fitting the rear side of the handle into the inside of the front end and forming a fastening hole on the front end;
By inserting the rear side of the handle into the tip side of the handle, matching the fastening holes of the handle with the fastening holes of the handle, and then fastening the handle to the handle with a fastening means.
A method of manufacturing an agricultural implement handle composed of a composite material, characterized in that a handle cover is composed of a synthetic resin handle on the outer surface of the handle material.
 제 1항에 있어서,
자루겉재 성형 공정은 성형공간에 속재선단과 속재후미의 각 끝 일부가 끼움되는 공간을 형성하고, 상부 성형틀과 하부 성형틀의 성형공간마다 자루속재의 체결구멍에 끼움되는 고정핀을 수직 돌출하고, 하부 성형틀의 성형공간 밑에서 수직 돌출되어 자루속재를 받쳐주는 지지핀을 형성하여,
하부 성형틀의 고정핀에 자루속재의 체결구멍이 끼움되면서 속재선단과 속재후미 각 끝 일부가 성형공간 양끝에 끼움되도록, 성형공간의 지지핀 위에 자루속재를 안착한 후, 상부 성형틀의 고정핀이 자루속재의 체결구멍에 끼움되도록 두 성형틀을 체결한 다음, 자루겉재를 성형함으로써,
자루겉재 성형 시, 자루속재의 이탈과 유동을 방지하는 것을 특징으로 하는 복합재질로 구성되는 농기구 자루의 제조방법.
According to claim 1,
In the bag cover molding process, a space is formed in the molding space where the tip of the inner material and the end of the inner material are inserted, and a fixing pin inserted into the fastening hole of the bag inner material protrudes vertically in each molding space of the upper molding frame and the lower molding frame. , Forming a support pin that protrudes vertically from under the molding space of the lower mold to support the bag material,
As the fastening hole of the bag material is inserted into the fixing pin of the lower mold, the bag material is seated on the support pin of the molding space so that the tip of the material material and the end of the material material are inserted into both ends of the molding space, and then the fixing pin of the upper mold After fastening the two molds to be fitted into the fastening holes of the bag inner material, and then molding the bag outer material,
A method of manufacturing an agricultural implement handle made of a composite material, characterized in that the separation and flow of the bag inner material is prevented during molding of the bag outer material.
 제 1항에 있어서,
손잡이부 성형 공정은 손잡이부 선단 측에 선후로 두개의 체결구멍을 형성하고, 두 체결구멍 사이 외경에 금속의 인서트링을 구성함으로써,
자루부와 손잡이부의 체결을 위한 두 체결구멍 사이에 위치한 금속의 인서트링이 자루부와 손잡이부의 체결을 받쳐주어 체결부위의 파손을 방지해주는 것을 특징으로 하는 복합재질로 구성되는 농기구 자루의 제조방법.
According to claim 1,
The handle forming process is performed by forming two fastening holes in the front and back on the front end of the handle part, and constructing a metal insert ring on the outer diameter between the two fastening holes,
A method of manufacturing an agricultural tool handle made of a composite material, characterized in that the metal insert ring located between the two fastening holes for fastening the handle and the handle supports the fastening of the handle and the handle to prevent damage to the fastening.
 제 1항에 있어서,
자루속재 성형 공정은 자루속재 외면에 요철을 형성하며,
자루겉재 성형 공정은 개방된 속재선두와 속재후미에 각각 마개를 끼우고 자루겉재를 성형 한 후, 마개를 제거 함으로써,
자루속재 외면의 요철로 인해 자루겉재의 부착성이 높아지고, 속재선두와 속재후미에 끼움되는 마개에 의해 용융된 자루겉재의 합성수지가 자루속재 내부로 유입되는 것을 방지하는 것을 특징으로 하는 복합재질로 구성되는 농기구 자루의 제조방법.
According to claim 1,
In the bag material forming process, irregularities are formed on the outer surface of the bag material,
In the bag cover forming process, a stopper is inserted into the open head and tail of the inside material, and after forming the bag cover material, the stopper is removed.
The irregularities on the outer surface of the bag material increase the adhesion of the bag material, and the caps inserted into the top and the end of the bag material prevent the molten synthetic resin of the bag material from flowing into the inside of the bag material. Composed of a composite material A method of manufacturing agricultural implement handles.
 청구항 1항 내지 4항 중, 어느 한 항의 제조방법에 의해 제조되어,
금속 파이프 구조의 자루속재에서 속재선단이 가압되어 직경이 축소되고, 속재후미에 체결구멍을 형성하고, 자루속재 외면에 합성수지의 자루겉재가 성형된 자루부;
선단 측 내부로 자루부 후미 측이 끼움되는 손잡이 구조로, 체결구멍이 형성된 손잡이부;를 포함하여,
손잡이부 선단 측 내로 자루부 후미 측을 끼워, 일치된 자루부의 체결구멍과 손잡이부의 체결구멍에 체결수단으로 자루부와 손잡이부를 체결됨으로써,
금속의 자루속재 외면에 합성수지의 자루겉재가 구성되고, 손잡이부가 분해결합되는 것을 특징으로 하는 농기구 자루.Of claims 1 to 4, it is produced by any one manufacturing method,
In the inner bag having a metal pipe structure, the tip of the inner material is pressed to reduce the diameter, a hole is formed at the end of the inner material, and a synthetic resin outer material is formed on the outer surface of the inner material;
Including,
By inserting the rear side of the handle into the tip side of the handle and fastening the handle and the handle with a fastening means to the matched fastening hole of the handle and the fastening hole of the handle,
An agricultural implement handle, characterized in that a synthetic resin bag outer material is formed on the outer surface of the metal handle material, and the handle part is disassembled and coupled.
KR1020210125946A 2021-09-23 2021-09-23 A method of manufacturing a farm implement rod made of a composite material and a farm implement rod manufactured by this manufacturing method KR20230042992A (en)

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Citations (1)

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Publication number Priority date Publication date Assignee Title
KR101873355B1 (en) 2016-11-23 2018-07-02 이대훈 Manufacturing method of synthetic resins shovel plow and shovel plow

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101873355B1 (en) 2016-11-23 2018-07-02 이대훈 Manufacturing method of synthetic resins shovel plow and shovel plow

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