KR100525590B1 - Method for manufacturing punched metal vessel - Google Patents

Method for manufacturing punched metal vessel Download PDF

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Publication number
KR100525590B1
KR100525590B1 KR10-2002-0073045A KR20020073045A KR100525590B1 KR 100525590 B1 KR100525590 B1 KR 100525590B1 KR 20020073045 A KR20020073045 A KR 20020073045A KR 100525590 B1 KR100525590 B1 KR 100525590B1
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South Korea
Prior art keywords
perforated
container
semi
manufacturing
metal
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KR10-2002-0073045A
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Korean (ko)
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KR20040045048A (en
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조광범
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조광범
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Priority to KR10-2002-0073045A priority Critical patent/KR100525590B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/18—Making hollow objects characterised by the use of the objects vessels, e.g. tubs, vats, tanks, sinks, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/12—Edge-curling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/001—Shaping combined with punching, e.g. stamping and perforating

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

본 발명은 용기의 둘레부에 블랭킹에 의해 분할된 구멍의 절단 모서리가 형성되지 않도록 하여 사용자의 안전을 위한 별도의 테두리부재를 부착할 필요가 없는 금속제 타공용기 제조방법에 관한 것이다.The present invention relates to a method for manufacturing a metal perforated container which does not need to attach a separate rim member for the user's safety by preventing the cutting edge of the hole divided by the blanking at the periphery of the container.

본 발명에 따르면, 금속판(10)을 타공 및 절단하여 소정 면적의 타공부(104) 및 이 타공부(104) 둘레의 비타공부(105)가 형성된 판상의 반가공재(100)로 가공하는 타공 및 절단공정(A, B)과, 상기 반가공재(100)의 타공부(104)를 오목하게 가압성형하여 반가공재(100)의 타공부(104)로 이루어진 수납부(112) 및 반가공재(100)의 비타공부(105)로 이루어진 테두리부(113)를 구비한 용기(110)로 성형하는 드로잉공정(C)을 포함하며, 상기 타공공정(A)은 금속판(10)을 동심원을 이루는 복수의 구역(104a, 104b, 104c)으로 분할 타공하여 용기(110)의 규격에 따라 다른 면적의 타공부(104)를 형성하도록 된 것을 특징으로 하는 금속제 타공용기 제조방법이 제공된다.According to the present invention, the metal plate 10 is perforated and cut and processed into a plate-like semi-finished material 100 formed with a perforated portion 104 of a predetermined area and a non-perforated portion 105 around the perforated portion 104 and Cutting part (A, B) and the receiving portion 112 and the semi-finished material (100) consisting of the perforated portion 104 of the semi-finished material 100 by concave pressing molding the perforated part 104 of the semi-finished material 100 A drawing process (C) is formed into a container (110) having an edge portion (113) consisting of a non-perforated portion (105), and the perforating process (A) comprises a plurality of concentric circles of the metal plate (10). A method of manufacturing a metal perforated container is provided, characterized in that the perforations are divided into zones 104a, 104b, 104c to form perforations 104 of different areas according to the dimensions of the container 110.

Description

금속제 타공용기 제조방법 {Method for manufacturing punched metal vessel}Method for manufacturing punched metal vessel {Method for manufacturing punched metal vessel}

본 발명은 금속제 타공용기 제조방법에 관한 것으로, 보다 상세하게는 용기의 둘레부에 별도의 테두리부재를 결합할 필요가 없어 제작 공정이 단순화됨에 따라 제조비용을 절감하고 생산성을 높일 수 있으며, 제조된 용기의 질량 및 부피가 감소되어 대량 운송 및 보관에 유리한 금속제 타공용기 제조방법에 관한 것이다.The present invention relates to a metal perforated container manufacturing method, more specifically, there is no need to combine a separate frame member on the periphery of the container can reduce the manufacturing cost and increase productivity as the manufacturing process is simplified, The present invention relates to a method for manufacturing a metal perforated container which is reduced in mass and volume of a container, which is advantageous for mass transportation and storage.

일반적으로, 체나 바구니 등과 같이 다수의 구멍이 형성된 금속제 용기는 타공된 금속판이나 망체를 용기 형태로 성형하여 이루어진 것으로, 목제나 합성수지로 된 것에 비해 내구성이 우수하고, 쉽게 오염되지 않으며, 세척이 용이하다는 등의 장점이 있어 각 가정 및 업소의 주방용품, 장식 및 수납용품 등으로 폭 넓게 사용되고 있다. In general, a metal container formed with a plurality of holes, such as a sieve or a basket, is formed by forming a perforated metal plate or mesh into a container shape, and is more durable, easier to clean, and easier to clean than that made of wood or synthetic resin. It is widely used as kitchen utensils, decorations and storage items in each home and business.

도 1은 이러한 금속제 용기 중에서, 금속판을 타공 및 프레스 성형하여 이루어진 타공용기의 제조공정을 도시한 것으로, 종래에는 도시된 바와 같이 금속판(10)에 다수의 구멍(101)을 타공하고, 타공된 금속판(10)을 성형될 용기의 크기에 따라 블랭킹가공하여 판형의 반가공재(100)로 가공한 후, 오목한 수납부(112) 및 둘레부(111)가 형성되도록 드로잉가공하여 용기본체(110)를 성형하고, 블랭킹된 절단면이 외부로 노출되지 않도록 용기본체(110)의 둘레부(111)에 소정 형상으로 성형된 테두리부재(120)를 압착결합하여 금속제 타공용기를 제작하였다. FIG. 1 illustrates a manufacturing process of a perforated container formed by perforating and pressing molding a metal plate in the metal container. In the related art, a plurality of holes 101 are perforated in the metal plate 10, and the perforated metal plate is shown. Blanking the 10 according to the size of the container to be molded to process the semi-finished material 100 of the plate shape, and then drawing processing to form the concave receiving portion 112 and the circumferential portion 111 to form the container body 110 To form the metal perforated container by pressing and bonding the frame member 120 formed in a predetermined shape to the circumferential portion 111 of the container body 110 so that the blanked cut surface is not exposed to the outside.

그런데, 상기한 바와 같은 제조방법에 따르면, 상기 금속판(10)의 전면에 걸쳐 구멍(101)을 타공한 후에 타공된 금속판(10)의 소정 부분을 블랭킹하여 용기본체(110)를 성형하였기 때문에, 용기본체(110)의 둘레부(111) 전체에 타공에 의한 구멍(101)이 형성되어 둘레부(111) 외측단에는 블랭킹가공시의 절개선(103)에 의해 구멍(101)이 분할되어 뾰족하고 날카로운 절단 모서리가 형성될 수밖에 없었다. 이에 따라, 사용자의 안전을 위해서는 상기 둘레부(111)에 별도의 테두리부재(120)를 씌우는 공정이 불가피하게 필요하였다. 따라서, 종래의 금속제 타공용기 제조방법은, 상기 테두리부재(120)를 별도로 제작하는 공정 및 제작된 테두리부재(120)를 용기본체(110)에 압착 결합하는 공정에 시간 및 비용이 추가적으로 소요되고 재료가 낭비되어 제품의 제조원가가 상승되는 문제점이 있었다. 더욱이, 상기 테두리부재(120)의 부착 중에 공정오차가 발생하여 테두리부재(120)가 둘레부(111)에 정확하게 결합되지 못하는 경우가 많기 때문에, 테두리부재(120)의 결합 위치가 부정확하거나 정상적이 형태로 압착되지 못한 불량품이 높은 비율로 생산되는 문제점이 있었다. However, according to the manufacturing method as described above, since the container body 110 was formed by blanking a predetermined portion of the perforated metal plate 10 after perforating the hole 101 over the entire surface of the metal plate 10, Holes 101 formed by perforations are formed in the entire circumferential portion 111 of the container body 110, and the holes 101 are divided by the incision line 103 at the time of blanking processing, And sharp cutting edges had to be formed. Accordingly, in order to ensure the safety of the user, a process of covering the separate edge member 120 on the circumferential portion 111 was inevitably required. Therefore, the conventional metal perforated container manufacturing method, the process of separately manufacturing the frame member 120 and the process of pressing the fabricated frame member 120 to the container body 110 additionally takes time and cost and materials Wasted and there was a problem that the manufacturing cost of the product is increased. In addition, since a process error occurs during the attachment of the edge member 120, the edge member 120 may not be accurately coupled to the circumference 111, so that the engagement position of the edge member 120 may be incorrect or normal. There was a problem in that a defective product that is not compressed in the form of a high ratio produced.

또한, 상기와 제조된 종래의 금속제 타공용기는 둘레부(111)에 결합된 테두리부재(120)로 인해 필요 이상으로 질량이 무겁게 되고, 다수개를 적층할 시에는 그 부피가 수량에 비례하는 이상으로 커지게 되어 운반 및 보관, 특히 대량 운송에 불리한 문제점이 있었다.In addition, the conventional metal perforated container manufactured as described above becomes more heavy than necessary due to the edge member 120 coupled to the circumferential portion 111, when a plurality of the stacking is more than the volume proportional to the quantity As a result, it has been disadvantageous for transportation and storage, in particular for mass transportation.

본 발명은 전술한 바와 같은 문제점을 해결하기 위한 것으로서, 본 발명의 목적은 용기의 둘레부에 블랭킹에 의해 분할된 구멍의 절단 모서리가 형성되지 않도록 하여 사용자의 안전을 위한 별도의 테두리부재를 부착할 필요가 없는 금속제 타공용기 제조방법을 제공하는 것이다.The present invention is to solve the problems as described above, an object of the present invention is to prevent the cutting edge of the hole divided by the blanking on the circumference of the container to attach a separate border member for the safety of the user It is to provide a metal perforated container manufacturing method that does not need.

본 발명에 따르면, 금속판(10)을 타공 및 절단하여 소정 면적의 타공부(104) 및 이 타공부(104) 둘레의 비타공부(105)가 형성된 판상의 반가공재(100)로 가공하는 타공 및 절단공정(A, B)과, 상기 반가공재(100)의 타공부(104)를 오목하게 가압성형하여 반가공재(100)의 타공부(104)로 이루어진 수납부(112) 및 반가공재(100)의 비타공부(105)로 이루어진 테두리부(113)를 구비한 용기(110)로 성형하는 드로잉공정(C)을 포함하며, 상기 타공공정(A)은 금속판(10)을 동심원을 이루는 복수의 구역(104a, 104b, 104c)으로 분할 타공하여 용기(110)의 규격에 따라 다른 면적의 타공부(104)를 형성하도록 된 것을 특징으로 하는 금속제 타공용기의 제조방법이 제공된다.본 발명의 다른 특징에 따르면, 상기 테두리부(113)를 두께방향으로 굴곡 또는 절곡시켜 절단공정(B)에 의해 형성된 절단면이 외부로 노출되지 않도록 하는 컬링공정(D)을 더 포함하는 금속제 타공용기의 제조방법이 제공된다.According to the present invention, the metal plate 10 is perforated and cut and processed into a plate-like semi-finished material 100 formed with a perforated portion 104 of a predetermined area and a non-perforated portion 105 around the perforated portion 104 and Cutting part (A, B) and the receiving portion 112 and the semi-finished material (100) consisting of the perforated portion 104 of the semi-finished material 100 by concave pressing molding the perforated part 104 of the semi-finished material 100 A drawing process (C) is formed into a container (110) having an edge portion (113) consisting of a non-perforated portion (105), and the perforating process (A) comprises a plurality of concentric circles of the metal plate (10). A method of manufacturing a metal perforated container is provided, characterized in that the perforations are divided into zones 104a, 104b, 104c to form perforations 104 of different areas according to the dimensions of the container 110. According to the feature, the cutting surface formed by the cutting process (B) by bending or bending the edge portion 113 in the thickness direction is Provided is a method of manufacturing a metal perforated container, further comprising a curling step (D) to prevent exposure to the outside.

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상술한 목적, 특징들 및 장점은 첨부된 도면과 관련한 다음의 상세한 설명을 통하여 보다 분명해질 것이다. 이하, 첨부된 도면을 참조하여 본 발명에 따른 바람직한 일실시예를 상세히 설명한다.The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 발명에 따른 금속제 타공용기 제조방법에 의해 제조된 타공용기를 도시한 것으로, 이 타공용기(1200)는 전체적으로 원형을 이루도록 소정 간격으로 다수의 구멍(101)이 형성되고 상면이 오목하게 형성된 수납부(112)와, 이 용기(110)의 둘레부를 따라 반경방향 외측으로 일체로 연장 형성된 테두리부(113)로 이루어지며, 상기 테두리부(113)의 반경방향 외측은 두께방향 하측으로 말려져 그 단부가 외부에 노출되지 않도록 형성된다.2 shows a perforated container manufactured by a metal perforated container manufacturing method according to the present invention. The perforated container 1200 has a plurality of holes 101 formed at predetermined intervals so as to form a circular shape as a whole, and the upper surface is concave. It is formed of the receiving portion 112 and the edge portion 113 is formed integrally extending radially outward along the circumference of the container 110, the radial outer side of the edge portion 113 is rolled downward in the thickness direction It is formed so that the end is not exposed to the outside.

상기와 같은 금속제 타공용기(110)는 상기 수납부(112)에만 구멍(101)이 형성되고, 테두리부(113)에는 구멍(101)이 형성되지 않은 구조로 이루어졌으므로, 용기(110)의 둘레부에 블랭킹에 의해 분할된 구멍의 절단 모서리가 형성되지 않게 되어 사용자의 신체가 상기 테두리부(113)에 접촉되어도 상처를 입을 염려가 없게 된다. 이에 따라, 용기(110)의 둘레부에 별도의 테두리부재를 부착할 필요가 없게 되므로, 제작 공정이 단순화되어 제조공정에 소요되는 비용을 절감할 수 있고, 시간대비 생산성을 높일 수 있을 뿐 아니라, 종래의 금속제 타공용기에 비해 질량 및 부피가 감소되어 대량 운반 및 보관이 용이하게 되는 장점이 있다. The metal perforated container 110 as described above has a hole 101 formed only in the receiving portion 112, and the periphery of the container 110 because the edge portion 113 has a structure in which the hole 101 is not formed. Since the cut edges of the holes divided by the blanking are not formed in the parts, the user's body does not have to be injured even when the body is in contact with the edge portion 113. Accordingly, since there is no need to attach a separate frame member to the periphery of the container 110, the manufacturing process is simplified to reduce the cost required for the manufacturing process, as well as to increase productivity over time, Compared with the conventional metal perforated container, there is an advantage in that mass and volume are reduced to facilitate mass transportation and storage.

상기한 바와 같은 금속제 타공용기를 제조하기 위한 본 발명의 방법을 도 3a 및 도 3b를 참조하여 설명하면 다음과 같다. Referring to Figures 3a and 3b the method of the present invention for producing a metal perforated container as described above is as follows.

먼저, 도 3a에 도시된 바와 같이, 연속적으로 공급되는 금속판(10)을 이송시키면서 용기로 성형될 소정 부분마다 다수의 구멍(101)이 소정 형태로 집합된 타공부(104)가 형성되도록 펀칭프레스(30)를 이용하여 타공작업을 행한다(A).First, as shown in FIG. 3A, a punching press is formed such that a plurality of holes 101 are formed in a predetermined form for each predetermined portion to be formed into a container while transferring the metal plate 10 continuously supplied. The perforation work is performed using (30) (A).

다음에, 타공된 금속판(10)을 계속 이송시키면서 각 타공부(104) 외측에 절개선(103)이 형성되도록 블랭킹프레스(50)를 이용하여 판상의 반가공재(100)로 절단가공한다(B). 즉, 블랭킹된 반가공재(100)의 면적이 상기 타공부(104)의 면적보다 크게 형성되도록 하여 반가공재(100)의 중앙부에는 타공부(104)가 형성되고, 그 둘레부에는 비타공부(105)가 형성되도록 한다. Next, while continuously conveying the perforated metal plate 10, the cut is processed into a plate-shaped semi-finished material 100 using the blanking press 50 so that the cut line 103 is formed outside each perforated portion 104 (B). ). That is, the blanking of the semi-finished material 100 is formed to be larger than the area of the perforated portion 104 so that the perforated portion 104 is formed in the central portion of the semi-finished material 100, the non-perforated portion 105 ) Is formed.

이어서, 도 3b에 도시된 바와 같이, 상기 반가공재(100)의 타공부(104)를 가압성형하여 오목한 수납부(112) 및 이 수납부(112)의 둘레를 따라 일체로 연장 형성된 테두리부(113)을 구비한 용기(110)로 가공한다(C). 이때, 상기 반가공재(100)의 타공부(104)가 용기(110)의 수납부(112)를 이루고, 반가공재(100)의 비타공부(105)가 용기(110)의 테두리부(113)를 이루도록 성형된다. 이에 따라, 용기(110)의 수납부(112)에만 타공된 구멍(101)이 형성되고, 상기 테두리부(113)에는 구멍(101)이 형성되지 않게 된다.Subsequently, as shown in FIG. 3B, the perforated part 104 of the semi-finished material 100 is press-molded to form a concave accommodating part 112 and an edge part integrally extending along the circumference of the accommodating part 112. It is processed into the container 110 provided with 113 (C). At this time, the perforated part 104 of the semi-finished material 100 forms the accommodating part 112 of the container 110, and the non-perforated part 105 of the semi-finished material 100 is the edge portion 113 of the container 110. It is molded to achieve. Accordingly, the perforated hole 101 is formed only in the accommodating part 112 of the container 110, and the hole 101 is not formed in the edge portion 113.

다음에, 상기 테두리부(113)를 두께방향 하측으로 말아 압착하여 블랭킹에 의한 파단면이 형성된 테두리부(113)의 반경방향 외측단이 외부로 노출되지 않도록 한다(D). Next, the edge portion 113 is rolled downward in the thickness direction to compress the edge portion 113 so that the radially outer end of the edge portion 113 having the fracture surface formed by blanking is not exposed to the outside (D).

본 실시예에서, 상기 타공공정(A)은 금속판(10)을 동심원을 이루는 복수의 구역(104a, 104b, 104c)으로 분할 타공하여 용기(110)의 규격에 따라 다른 면적의 타공부(104)를 형성하는 방식으로 이루어진다. 즉, 본 실시예에서와 같이 원형 타공용기를 제작하는 경우에는, 펀칭프레스(30)에 동심원을 이루도록 배치된 복수의 펀칭헤드(도시하지 않음)를 장착하여 각 펀칭헤드에 의해 상기 타공부(104)가 동심원을 이루는 복수의 구역(104a, 104b, 104c)으로 나뉘어 선택적으로 타공되도록 한다. 이에 따라, 제조될 용기의 규격에 따라, 예를 들어 작동되는 펀칭헤드의 수를 조절하는 등의 방법으로, 금속판(10)에 형성되는 타공부(104)의 면적을 다르게 할 수 있으므로 동일한 생산라인에서 여러 가지 규격의 타공용기를 생산할 수 있게 된다.In this embodiment, the perforation process (A) is divided into a plurality of zones (104a, 104b, 104c) constituting the concentric circles of the metal plate 10 and the perforations 104 having a different area according to the standard of the container 110 It is made in such a way to form. That is, in the case of manufacturing a circular perforated container as in the present embodiment, a plurality of punching heads (not shown) arranged to form concentric circles on the punching press 30 and the perforations 104 by each punching head. ) Is divided into a plurality of zones (104a, 104b, 104c) forming a concentric circle so as to selectively perforate. Accordingly, according to the size of the container to be manufactured, for example, by adjusting the number of punching heads to be operated, the area of the perforations 104 formed on the metal plate 10 can be different, so that the same production line Will be able to produce perforated containers of various specifications.

상기한 바와 같은 본 발명의 금속제 타공용기 제조방법은, 제품의 규격에 따라 상기 금속판(10)의 소정 부분에만 타공부(104)를 형성하고, 이 타공부(104)의 둘레부 외측에 절개선(103)이 형성되도록 블랭킹하여 타공용기를 제작하므로, 타공용기의 테두리부(113)에는 구멍(101)이 형성되지 않게 되어 사용자의 안전을 위해 상기 테두리부(113)에 부착되었던 테두리부재가 필요 없게 된다. 따라서, 테두리부재를 별도로 제작하는 공정 및 제작된 테두리부재를 용기(110)에 결합하는 데 필요했던 시간과 설비, 인건비 및 재료비 등의 제반 비용이 소요되지 않게 되어 제품의 제조원가를 낮출 수 있으며, 테두리부재의 오결합에 의한 불량발생이 없어지게 되어 제품의 품질을 향상시킬 수 있는 장점이 있다. According to the method for manufacturing a metal perforated container of the present invention as described above, the perforated part 104 is formed only on a predetermined portion of the metal plate 10 according to the product standard, and the cutout is formed outside the periphery of the perforated part 104. Since blanks are formed to form 103, the perforated container is manufactured, so that the periphery portion 113 of the perforated container is not formed with a hole 101, and thus, a border member attached to the periphery portion 113 is required for the user's safety. There will be no. Therefore, the process of separately manufacturing the frame member and the time and equipment, labor costs, and material costs required for coupling the manufactured frame member to the container 110 are not required, thereby lowering the manufacturing cost of the product. There is an advantage that can be improved by the quality of the product is eliminated due to the malfunction of the member.

한편, 전술한 실시예에서는 금속판(10)의 타공공정(A)이 드로잉공정(C)보다 선행하여 이루어지는 것으로 예시되었으나, 본 고안은 이것으로 한정되는 것이 아니고, 상기 드로잉공정(C)이 타공공정(A)보다 선행하여 이루어질 수도 있다. 즉, 드로잉공정(C)을 통해 타공용기의 형상에 따라 금속판(10)의 소정 부분을 가압하여 용기(110)의 수납부(112)가 될 오목부를 먼저 형성한 후에 이 금속판(10)의 오목부 내부에 타공부(104)를 형성하는 타공공정(A)을 수행하고, 전술한 실시예와 동일하게 상기 타공부(104) 외부에 비타공부(105)가 형성되도록 금속판(10)을 블랭킹 가공하여 전술한 실시예와 동일한 구성 및 효과를 가지는 타공용기를 제조할 수 있다.On the other hand, in the above-described embodiment, the punching step (A) of the metal plate 10 is illustrated as being made in advance of the drawing step (C), the present invention is not limited to this, the drawing step (C) is a punching step It may be made before (A). That is, through the drawing process (C), according to the shape of the perforated container, the predetermined portion of the metal plate 10 is pressed to form a recess to be the receiving portion 112 of the container 110 first, and then the recess of the metal plate 10. Perform the perforation process (A) to form the perforated part 104 in the inside, and blanking the metal plate 10 so that the non-perforated part 105 is formed outside the perforated part 104 in the same manner as in the above-described embodiment. Thus, it is possible to manufacture a perforated container having the same configuration and effect as in the above-described embodiment.

또한, 경우에 따라서는 상기 절단공정(B)을 가장 먼저 수행하여 타공용기를 제조할 수도 있다. 즉, 도 4에 도시된 바와 같이, 용기의 형태에 따라 가공 변형 및 오차를 고려하여 금속판을 소정 크기 및 모양으로 블랭킹가공하거나 절단하여 반가공재(100)를 제작하고, 이 반가공재(100)의 둘레부를 제외한 부분에 다수의 구멍(101)을 타공하여 소정 면적의 타공부(104)를 형성한 후에 이 타공부(104)의 내부에는 수납부(112)가 형성되고 타공부(104)의 외부에는 테두리부(113)가 형성되도록 드로잉가공, 트리밍가공 및 컬링가공하여 테두리부(113)에는 구멍(101)이 형성되지 않은 다양한 형태의 타공용기를 제조할 수도 있다. In addition, in some cases, the cutting process (B) may be performed first to prepare a perforated container. That is, as shown in Figure 4, in accordance with the shape of the container in consideration of the processing deformation and error blanking or cutting the metal plate to a predetermined size and shape to produce a semi-finished material 100, and the After a plurality of holes 101 are drilled in portions except the periphery to form a perforated portion 104 having a predetermined area, an accommodating portion 112 is formed inside the perforated portion 104 and the outside of the perforated portion 104. In the drawing portion, trimming and curling processing to form the edge portion 113 is formed in the periphery portion 113 may be manufactured in a perforated container of various forms in which the hole 101 is not formed.

이상에서와 같이 본 발명에 의하면, 금속판을 둘레부를 제외한 부분에만 타공부가 형성된 판상의 반가공재로 가공하고, 이 반가공재의 타공부가 용기의 수납부를 이루도록 드로잉가공하여 테두리부를 제외한 수납부에만 타공된 구멍이 형성되도록 함으로써, 안전을 위한 별도의 테두리부재가 필요 없어 테부리부재를 제작하여 용기에 부착하는 데 소요되었던 시간과 제반 비용을 절감할 수 있고, 테두리부재의 오결합에 의한 불량발생이 없어 제품의 품질을 향상시킬 수 있는 효과가 있다.As described above, according to the present invention, the metal plate is processed into a plate-shaped semi-finished material having a perforated part formed only at a portion except the circumferential part, and the perforated part of the semi-finished material is drawn to form a receiving part of the container and perforated only in the storage part except the edge part By forming the formed holes, there is no need for a separate border member for safety, and it is possible to reduce the time and overall costs of attaching to the container by manufacturing the teburi member. There is no effect that can improve the product quality.

도 1은 종래의 금속제 타공용기의 제조방법을 도시한 공정도1 is a process chart showing a conventional method for manufacturing a metal perforated container

도 2는 본 발명에 따른 금속제 타공용기 제조방법에 의해 제조된 용기를 도시한 사시도Figure 2 is a perspective view showing a container manufactured by a metal perforated container manufacturing method according to the present invention

도 3a 및 도 3b는 본 발명에 따른 금속제 타공용기 제조방법을 도시한 공정도3a and 3b is a process chart showing a method for manufacturing a metal perforated container according to the present invention.

도 4는 본 발명의 다른 실시예를 도시한 공정도Figure 4 is a process diagram showing another embodiment of the present invention

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

10 : 금속판 30 : 펀칭프레스 10: metal plate 30: punching press

40, 40' : 드로잉금형 50 : 블랭킹프레스 40, 40 ': Drawing mold 50: Blanking press

100 : 반가공재 101 : 구멍 100: semi-finished material 101: hole

103 : 절개선 104 : 타공부 103: incision 104: hole

112 : 수납부 113 : 테두리부 112: storage portion 113: the edge portion

Claims (4)

금속판(10)을 타공 및 절단하여 소정 면적의 타공부(104) 및 이 타공부(104) 둘레의 비타공부(105)가 형성된 판상의 반가공재(100)로 가공하는 타공 및 절단공정(A, B)과, 상기 반가공재(100)의 타공부(104)를 오목하게 가압성형하여 반가공재(100)의 타공부(104)로 이루어진 수납부(112) 및 반가공재(100)의 비타공부(105)로 이루어진 테두리부(113)를 구비한 용기(110)로 성형하는 드로잉공정(C)을 포함하며, 상기 타공공정(A)은 금속판(10)을 동심원을 이루는 복수의 구역(104a, 104b, 104c)으로 분할 타공하여 용기(110)의 규격에 따라 다른 면적의 타공부(104)를 형성하도록 된 것을 특징으로 하는 금속제 타공용기 제조방법.Perforating and cutting process of cutting the metal plate 10 with the plate-shaped semi-finished material 100 formed with the perforated part 104 of the predetermined area and the non-perforated part 105 around this perforated part 104 (A, B) and the receiving part 112 which consists of the perforated part 104 of the semi-processed material 100 by recessing and pressing the perforated part 104 of the said semi-processed material 100, and the non-processed part of the semi-processed material 100 ( And a drawing process (C) for molding into a container (110) having an edge portion (113) consisting of 105, wherein the perforating process (A) comprises a plurality of zones (104a, 104b) concentric with the metal plate (10). , 104c) divided and perforated to form a perforated part 104 of the different area according to the standard of the container (110) manufacturing method of a metal perforated container. 제1항에 있어서, The method of claim 1, 상기 테두리부(113)를 두께방향으로 굴곡 또는 절곡시켜 절단공정(B)에 의해 형성된 절단면이 외부로 노출되지 않도록 하는 컬링공정(D)을 더 포함하는 금속제 타공용기의 제조방법.The method of manufacturing a metal perforated container further comprising a curling step (D) to bend or bend the edge portion 113 in the thickness direction so that the cut surface formed by the cutting step (B) is not exposed to the outside. 삭제delete 삭제delete
KR10-2002-0073045A 2002-11-22 2002-11-22 Method for manufacturing punched metal vessel KR100525590B1 (en)

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JPS62197228A (en) * 1986-02-25 1987-08-31 Shigemi Iida Manufacture of container using multiple hole drawing plate
JPH0318439A (en) * 1989-06-14 1991-01-28 Motozou Ueda Manufacture for sink dewatering cage
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JPH07232224A (en) * 1994-02-25 1995-09-05 Teru Ogawa Method and device for forming semi-spherical shell member
JPH09299256A (en) * 1996-05-15 1997-11-25 Nakazawa Kogyo Kk Manufacture for draining tool such as basket and drainer or the like
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KR100398798B1 (en) * 2001-11-27 2003-09-19 진정락 Container edge member and Forming method of the same

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