WO2012176997A2 - Fastening member having a variable volume and method for molding same - Google Patents

Fastening member having a variable volume and method for molding same Download PDF

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Publication number
WO2012176997A2
WO2012176997A2 PCT/KR2012/004334 KR2012004334W WO2012176997A2 WO 2012176997 A2 WO2012176997 A2 WO 2012176997A2 KR 2012004334 W KR2012004334 W KR 2012004334W WO 2012176997 A2 WO2012176997 A2 WO 2012176997A2
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WO
WIPO (PCT)
Prior art keywords
fastening member
groove
molding
fastening
forming
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PCT/KR2012/004334
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French (fr)
Korean (ko)
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WO2012176997A3 (en
Inventor
손흥식
Original Assignee
주식회사애니락코리아
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Application filed by 주식회사애니락코리아 filed Critical 주식회사애니락코리아
Priority to CN201280021000.9A priority Critical patent/CN103597223A/en
Publication of WO2012176997A2 publication Critical patent/WO2012176997A2/en
Publication of WO2012176997A3 publication Critical patent/WO2012176997A3/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D25/00—Special casting characterised by the nature of the product
    • B22D25/02—Special casting characterised by the nature of the product by its peculiarity of shape; of works of art
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/83—Use of a magnetic material

Definitions

  • the present invention relates to a fastening member and a molding method capable of changing the volume, in particular to prevent the phenomenon that the outer shape of the fastening member is deformed when forming a groove in the fastening member such as a bolt or nut.
  • a fastening member including a bolt and a nut is used.
  • the fastening using the bolt and the nut is to position a pair of parts fastened to each other between the bolt and the nut adjacently, and then screw the bolt and the nut together by passing through the fastening holes formed in the adjacent parts.
  • Such a bolt-nut fastening operation is a task that consumes a great amount of time and manpower when the bolts and nuts are large.
  • FIG. 1 is a view showing a conventional nut-shaped fastening member.
  • Conventional fastening member 10 is, as shown in Figure 1 (a), by inserting a magnetic body 11 to the top surface in order to improve the work convenience so that the top surface of the fastening member 10 can be magnetic. In order to be able to temporarily attach the fastening member 10 to the parts to be fastened when working.
  • the component for fastening the fastening member 10 is provided with a steel material so that the fastening member 10 including the magnetic body 11 may be temporarily attached.
  • the present invention relates to a fastening member and a molding method capable of changing the volume to solve the above problems, and in particular, for the purpose of preventing the phenomenon that the outer shape of the fastening member deforms when forming a groove in the fastening member such as a bolt or nut. do.
  • the present invention is provided with a mold member formed with a molding groove, filling the molten steel in the molding groove of the mold member is cast to the nut-shaped fastening member;
  • a concave portion is formed at an upper end of the inner circumferential surface of the molding groove of the mold member, and a protrusion is formed at the upper end of the outer circumferential surface when the fastening member is formed.
  • the center of the forming groove is provided with a protrusion bar formed on the outer circumferential surface upwards to form a fastening hole in the center of the fastening member, the fastening member capable of varying the volume is characterized in that the thread is formed on the inner circumferential surface of the fastening hole. do.
  • a fastening member capable of varying the volume, characterized in that the inner diameter of the upper end of the molding groove of the mold member is formed wider than the stop inner diameter is formed in the flange shape of the upper end of the fastening member.
  • the fastening member includes a body portion having a fastening hole formed on an inner circumferential surface thereof; It is formed on the top of the body portion and the inner peripheral surface is provided with a fastening member capable of varying the volume, characterized in that consisting of a flange portion extending extending hole of the body portion.
  • the protrusion of the fastening member is formed on the outer peripheral surface of the flange portion is characterized in that the volume fluctuation when forming the insertion groove.
  • a fastening member capable of varying volume is provided.
  • the insertion groove and the protrusion is formed in a straight line from the center of the fastening member, the insertion groove and the protrusion is provided with a fastening member capable of volume variation, characterized in that formed at regular intervals of two or more.
  • the forming groove of the mold member is formed in a hexagonal pillar shape is provided with a fastening member capable of changing the volume, characterized in that the outer peripheral surface of the body portion of the fastening member is formed in a hexagonal pillar shape.
  • the forming groove and the protruding end of the concave portion is formed to extend mutually to provide a fastening member capable of changing the volume, characterized in that to prevent the occurrence of the bent portion between the forming groove and the recess.
  • a method of forming a fastening member characterized in that the magnetic member insertion step of inserting a magnetic material in the insertion groove by forming an insertion groove on the flange portion of the fastening member formed by the fastening member forming step.
  • the present invention as described above is a magnetic material is inserted into the insertion groove of the fastening member to facilitate the fastening operation through the fastening member, to form an insertion groove through the press work to make the upper surface of the fastening member magnetic and magnetic material
  • FIG. 1 is a view showing a conventional nut-shaped fastening member
  • Figure 2 (a) is a cross-sectional view showing a mold member of the fastening member capable of changing the volume of the present invention
  • Figure 2 (b) is a plan view showing a mold member of the fastening member capable of changing the volume of the present invention
  • Figure 2 (c) is a plan view showing another embodiment of the mold member of the fastening member capable of changing the volume of the present invention
  • Figure 3 (a) is a view showing a fastening member capable of changing the volume of the present invention
  • Figure 3 (b) is a plan view showing a fastening member capable of changing the volume of the present invention
  • Figure 3 (c) is a plan view showing another embodiment of the fastening member capable of changing the volume of the present invention
  • Figure 4 is a flow chart showing a method of forming a fastening member capable of changing the volume of the present invention.
  • FIG. 2 to 4 relates to a fastening member and a molding method capable of changing the volume of the present invention
  • Figure 2 is a view showing a mold member of the fastening member capable of changing the volume of the present invention
  • Figure 3 is a volume of the present invention It is a figure which shows the fastening member which can be changed
  • FIG. 4 is a flowchart which shows the fastening member shaping
  • the fastening member and the molding method capable of changing the volume of the present invention are provided with a mold member 100 having a molding groove, and a nut-shaped fastening member by filling steel dissolved in the molding groove 110 of the mold member 100. 200 is to be cast; A concave portion 111 is formed at an upper end of an inner circumferential surface of the molding groove 110 of the mold member 100, and a protrusion 221 is formed at an upper end of the outer circumferential surface when the fastening member 200 is formed, and a circular molding groove 110 is formed.
  • the fastening member capable of changing the volume of the present invention is based on the casting member 200 being cast through the mold member 100.
  • the mold member 100 may form a molding groove 110 to form an outer shape of the fastening member 200 to be described below.
  • the fastening member 200 is filled with the molten steel in the molding groove 110 of the mold member 100 so that the nut-shaped fastening member 200 is molded.
  • the recess 111 is formed at the upper end of the molding groove 110 of the mold member 100 so that the protrusion 221 is formed at the upper end of the outer peripheral surface of the fastening member 200 when the fastening member 200 is formed.
  • the center of the molding groove 110 of the mold member 100 is provided with a protrusion bar 112 formed with a screw thread on the outer peripheral surface upwards when forming the fastening member 200, the fastening hole 201 in the center of the fastening member 200. It is preferable to form a screw thread on the inner circumferential surface of the fastening hole 201 to allow a coupling operation with the fastening component.
  • the inner diameter of the upper end of the molding groove 110 of the mold member 100 is wider than the stop inner diameter so that the upper end of the fastening member 200 is shaped into a flange when the fastening member 200 is formed.
  • the fastening member 200 is composed of a body portion 210 formed with a screw thread on the inner circumferential surface, and a flange portion 220 formed on the top of the body portion 210, the fastening hole on the inner circumferential surface of the body portion 210 A 201 is formed, and the fastening hole 201 of the body portion 210 is extended to the inner circumferential surface of the flange portion 220 so that the fastening can be performed to the end of the fastening member 200 during the fastening operation.
  • the insertion groove 222 is formed in the upper surface of the flange portion 220 of the fastening member 200 and the magnetic body 223 is inserted into the insertion groove 222.
  • the protrusion 221 of the fastening member 200 is formed on the outer circumferential surface of the flange portion 220 to enable a volume change when forming the insertion groove 222 in the flange portion 220, the insertion groove by the press operation The formation of the 222 prevents the shape of the flange portion 220 from being deformed.
  • the present invention enables the volume change of the fastening member 200 to prevent the deformation of the flange portion 220 when the insertion groove 222 is formed, and at the same time the outer diameter of the insertion groove 222 and the fastening member 200. By extending the interval between them it is possible to enhance the rigidity.
  • the insertion groove 222 and the protrusion 221 is formed in a straight line from the center of the fastening member 200, the insertion groove 222 and the protrusion 221 is formed to be formed at a predetermined interval of two or more rigidity. It is desirable to be able to improve the
  • the molding groove 110 of the mold member 100 is formed in a hexagonal column shape so that the outer peripheral surface of the body portion 210 of the fastening member 200 may be formed in a hexagonal column shape when forming the fastening member 200. It is desirable to be able to improve the convenience.
  • the forming groove 110 and the protruding end portions of the recess 111 extend to each other to form the forming groove 110 and the recess.
  • the upper surface of the flange portion 220 It is possible to prevent the phenomenon that wrinkles occur between the outer circumferential surface of the flange portion 220 and the protrusion 221 when the insertion groove 222 is formed.
  • the present invention allows the magnetic body 223 to be inserted into the insertion groove 222 of the fastening member 200 to facilitate the fastening operation through the fastening member 200, the upper surface of the fastening member 200 is magnetic
  • the fastening member 200 is formed by the protrusion 221 formed on the outer circumferential surface of the flange portion 220 of the fastening member 200 when the insertion groove 222 is formed through the press work and the magnetic body 223 is inserted in order to increase the height. It is to be able to improve the rigidity of the fastening member 200 by ensuring a gap between the outer peripheral surface of the fastening member 200 and the magnetic body 223 by allowing the volume change to occur in the top surface of the.
  • the present invention is a method for forming a fastening member capable of volume variation, as shown in FIG. 4, a mold member manufacturing step (S10) for manufacturing a mold, and a fastening member molding step (S20) for molding the fastening member 200 through the mold. ) And a magnetic body insertion step (S30) for inserting the magnetic body 223 into the fastening member 200.
  • Mold member manufacturing step (S10) is a step of manufacturing a mold member 100 having a concave portion 111 formed in the circular molding groove 110 and the inner peripheral surface of the molding groove 110, the fastening member 200 will be described below Set the shape of the forming groove 110 to be molded.
  • the recess 111 is formed on the inner circumferential surface of the molding groove 110 so that the protrusion 221 may be formed on the outer circumferential surface of the fastening member 200 to be described below.
  • Fastening member forming step (S20) is a step of casting the fastening member 200 by filling the molten steel in the molding groove 110 of the mold member 100, in the molding groove 110 of the mold member 100
  • the protrusion 221 is formed on the outer circumferential surface of the fastening member 200 by the formed recess 111.
  • Magnetic body inserting step (S30) is to form an insertion groove 222 on the upper surface of the fastening member 200 formed through the fastening member forming step (S20), and inserting the magnetic body 223 into the insertion groove 222 As a magnetic feature, the magnetic body 223 forms a magnet on the upper surface of the fastening member 200.
  • the magnetic material 223 is inserted into the insertion groove 222 of the fastening member 200 is temporarily bonded to the coupling part to be fastened by the fastening member 200 during the fastening operation through the fastening member 200.
  • the upper surface of the fastening member 200 is inserted into the magnetic body 223 in order to make the magnetic feature of the fastening member 200 by the projection 221 formed on the outer peripheral surface of the fastening member 200 It is possible to improve the rigidity of the fastening member 200 by ensuring a gap between the outer peripheral surface of the fastening member 200 and the magnetic body 223 by allowing the volume change to occur in the top surface.
  • the fastening member capable of varying the volume of the present invention configured as described above includes a mold member having a molding groove formed therein, and a nut-shaped fastening member is cast by filling steel dissolved in the molding groove of the mold member;
  • fastening member 210 body portion
  • flange portion 221 protrusion

Abstract

The present invention relates to a fastening member having a variable volume, and to a method for molding same. Specifically, a molding member (100) having a molding groove (110) is provided, and melted steel fills the molding groove (110) of the molding member (100) so as to cast a fastening member (200) having the shape of a nut. The method for molding the fastening member consists of: a step (S10) of forming a recess part (111) in an upper end of an inner surface of the molding groove (110) of the molding member (100), and then forming a protrusion (221) on an outer surface when the fastening member (200) is formed so as to manufacture the molding member (100) having the circular molding groove (110) and the recess part (111) in the inner surface of the molding groove (110); a step (S20) of filling melted steel into the molding groove (110) of the molding member (100) so as to cast the fastening member (200) having the protrusion (221); and a step (S30) of forming an insertion groove (22) in a top surface of a flange part (220) of the fastening member (200) molded through the step (S20) of molding the fastening member so as to insert a magnetic body (223) into the insertion groove (222). Since the fastening member has a variable volume, when the groove is formed in the fastening member, it may prevent the outer appearance of the fastening member from being deformed so as to improve product quality. Further, the fastening member may be moldable so as to improve workability when the fastening member is applied.

Description

체적 변동이 가능한 체결부재 및 성형방법Fastening member with volume change and molding method
본 발명은 체적 변동이 가능한 체결부재 및 성형방법에 관한 것으로서, 특히 볼트 또는 너트와 같은 체결부재에 홈 성형 시 상기 체결부재 외형이 변형되는 현상을 방지하기 위한 것이다.The present invention relates to a fastening member and a molding method capable of changing the volume, in particular to prevent the phenomenon that the outer shape of the fastening member is deformed when forming a groove in the fastening member such as a bolt or nut.
일반적으로 인접하는 두 개의 부품을 체결할 때 볼트와 너트를 포함하는 체결부재를 사용하게 된다.Generally, when fastening two adjacent parts, a fastening member including a bolt and a nut is used.
이와 같이, 볼트와 너트를 이용하는 체결은 상기 볼트와 너트 사이에 서로 체결되는 한 쌍의 부품을 인접하게 위치 결정한 다음 인접하는 부품에 성형되어 있는 체결공을 관통한 상태로 볼트와 너트를 서로 나사 결합하는 것에 의하여 이루어진다.As described above, the fastening using the bolt and the nut is to position a pair of parts fastened to each other between the bolt and the nut adjacently, and then screw the bolt and the nut together by passing through the fastening holes formed in the adjacent parts. By doing.
한편, 볼트와 너트를 서로 체결하기 위해서는 실질적으로 볼트 및 너트를 나사산의 회전수만큼 회전시켜 더 이상 회전이 되지 않는 상태가 되어야만 완전한 체결이 이루어지게 된다.On the other hand, in order to fasten the bolt and nut to each other, the complete tightening is achieved only when the bolt and nut are rotated by the number of revolutions of the screw thread so as to be no longer rotated.
이러한, 볼트와 너트의 체결작업은 볼트와 너트가 수가 많은 경우에는 실질적으로 엄청난 시간과 인력이 소비되는 작업이다. Such a bolt-nut fastening operation is a task that consumes a great amount of time and manpower when the bolts and nuts are large.
도 1은 종래의 너트 형상의 체결부재를 도시하는 도면이다.1 is a view showing a conventional nut-shaped fastening member.
종래의 체결부재(10)는 도 1의 (a)에 도시된 바와 같이, 작업 편의성을 향상시키기 위해 상단면에 자성체(11)를 삽입시켜 상기 체결부재(10) 상단면이 자성을 띌 수 있게 하여 작업 시 체결을 시키기 위한 부품에 상기 체결부재(10)를 임시로 부착시킬 수 있게 한다. Conventional fastening member 10 is, as shown in Figure 1 (a), by inserting a magnetic body 11 to the top surface in order to improve the work convenience so that the top surface of the fastening member 10 can be magnetic. In order to be able to temporarily attach the fastening member 10 to the parts to be fastened when working.
이때, 자성체(11)를 포함하는 체결부재(10)가 임시로 부착될 수 있도록 상기 체결부재(10)를 체결시키기 위한 부품은 스틸 재질로 구비되는 것은 당연하다.At this time, it is natural that the component for fastening the fastening member 10 is provided with a steel material so that the fastening member 10 including the magnetic body 11 may be temporarily attached.
이와 같이, 체결부재(10)를 임시로 부착시킨 상태에서 체결 작업을 진행하게 되면 작업이 용이하기 때문에 많은 작업장에서 사용되고 있다.As such, when the fastening operation is performed in a state in which the fastening member 10 is temporarily attached, the work is easy, and thus it is used in many workplaces.
그러나, 종래의 체결부재(10)는 도 1의 (b)에 도시된 바와 같이, 금형을 통한 성형 후 상단면에 홈을 형성하고 상기 홈에 자성체(11)를 삽입함으로 인해 상기 체결부재(10)의 상단면 형상이 변형되는 문제점이 있었으며, 또한 상기 홈과 체결부재(10)의 외경 사이의 간격이 협소해져 강성이 저하되는 문제점이 있었다.However, in the conventional fastening member 10, as shown in (b) of Figure 1, after forming through the mold to form a groove on the top surface and the magnetic member 11 in the groove by inserting the fastening member (10) There was a problem in that the shape of the top surface of the c) deforms, and the gap between the groove and the outer diameter of the fastening member 10 is narrowed, resulting in a decrease in rigidity.
본 발명은 상기의 문제점을 해소하기 위한 체적 변동이 가능한 체결부재 및 성형방법에 관한 것으로서, 특히 볼트 또는 너트와 같은 체결부재에 홈 성형 시 상기 체결부재 외형이 변형되는 현상을 방지하기 위한 것을 목적으로 한다.The present invention relates to a fastening member and a molding method capable of changing the volume to solve the above problems, and in particular, for the purpose of preventing the phenomenon that the outer shape of the fastening member deforms when forming a groove in the fastening member such as a bolt or nut. do.
이러한 본 발명은 성형홈이 형성된 금형부재가 구비되며, 상기 금형부재의 성형홈에 용해된 스틸을 충진시켜 너트 형상의 체결부재가 주물되되; 상기 금형부재의 성형홈 내주면 상단에는 오목부가 형성되어 상기 체결부재 성형 시 외주면 상단에는 돌출부가 형성됨으로써 달성된다.The present invention is provided with a mold member formed with a molding groove, filling the molten steel in the molding groove of the mold member is cast to the nut-shaped fastening member; A concave portion is formed at an upper end of the inner circumferential surface of the molding groove of the mold member, and a protrusion is formed at the upper end of the outer circumferential surface when the fastening member is formed.
또한, 상기 성형홈 중앙에는 외주면에 나사산이 형성된 돌출바가 상방으로 구비되어 상기 체결부재 중앙에 체결홀이 형성되며, 상기 체결홀 내주면에는 나사산이 성형되는 것을 특징으로 하는 체적 변동이 가능한 체결부재가 제공된다.In addition, the center of the forming groove is provided with a protrusion bar formed on the outer circumferential surface upwards to form a fastening hole in the center of the fastening member, the fastening member capable of varying the volume is characterized in that the thread is formed on the inner circumferential surface of the fastening hole. do.
또한, 상기 금형부재의 성형홈 상단 내경이 중단 내경 보다 넓게 형성되어 상기 체결부재의 상단이 플랜지 형상으로 성형되는 것을 특징으로 하는 체적 변동이 가능한 체결부재가 제공된다.In addition, there is provided a fastening member capable of varying the volume, characterized in that the inner diameter of the upper end of the molding groove of the mold member is formed wider than the stop inner diameter is formed in the flange shape of the upper end of the fastening member.
또한, 상기 체결부재는 내주면에 체결홀이 형성된 몸체부와; 상기 몸체부 상단에 형성되며 내주면에는 상기 몸체부의 체결홀이 연장 형성되는 플랜지부로 이루어지는 것을 특징으로 하는 체적 변동이 가능한 체결부재가 제공된다.In addition, the fastening member includes a body portion having a fastening hole formed on an inner circumferential surface thereof; It is formed on the top of the body portion and the inner peripheral surface is provided with a fastening member capable of varying the volume, characterized in that consisting of a flange portion extending extending hole of the body portion.
또한, 상기 체결부재의 플랜지부 상면에 삽입홈을 형성시켜 상기 삽입홈에 자성체를 삽입시키되, 상기 체결부재의 돌출부가 상기 플랜지부 외주면에 형성되어 상기 삽입홈 성형 시 체적 변동이 가능하게 하는 것을 특징으로 하는 체적 변동이 가능한 체결부재가 제공된다.In addition, by inserting a magnetic material in the insertion groove by forming an insertion groove on the upper surface of the flange portion of the fastening member, the protrusion of the fastening member is formed on the outer peripheral surface of the flange portion is characterized in that the volume fluctuation when forming the insertion groove. A fastening member capable of varying volume is provided.
또한, 상기 삽입홈과 돌출부는 체결부재의 중심으로부터 일직선상에 성형되되, 상기 삽입홈과 돌출부는 2개 이상 일정한 간격을 가지고 성형되는 것을 특징으로 하는 체적 변동이 가능한 체결부재가 제공된다.In addition, the insertion groove and the protrusion is formed in a straight line from the center of the fastening member, the insertion groove and the protrusion is provided with a fastening member capable of volume variation, characterized in that formed at regular intervals of two or more.
또한, 상기 금형부재의 성형홈은 육각기둥 형상으로 이루어져 상기 체결부재의 몸체부 외주면이 육각기둥 형상으로 이루어지는 것을 특징으로 하는 체적 변동이 가능한 체결부재가 제공된다.In addition, the forming groove of the mold member is formed in a hexagonal pillar shape is provided with a fastening member capable of changing the volume, characterized in that the outer peripheral surface of the body portion of the fastening member is formed in a hexagonal pillar shape.
또한, 상기 성형홈과 상기 오목부의 돌출부위 끝단이 상호 연장 형성되어 상기 성형홈과 오목부 사이에 꺾임부 발생을 방지하게 되는 것을 특징으로 하는 체적 변동이 가능한 체결부재가 제공된다.In addition, the forming groove and the protruding end of the concave portion is formed to extend mutually to provide a fastening member capable of changing the volume, characterized in that to prevent the occurrence of the bent portion between the forming groove and the recess.
또한, 원형의 성형홈과 상기 성형홈 내주면에 오목부가 형성된 금형부재 제작하는 금형부재 제작단계와; 상기 금형부재의 성형홈에 용해된 스틸을 충진시켜 돌출부가 형성된 체결부재를 주물하는 체결부재 성형단계와; 상기 체결부재 성형단계를 통해 성형된 체결부재의 플랜지부 상면에 삽입홈을 형성시켜 상기 삽입홈에 자성체를 삽입시키는 자성체 삽입단계로 구성되는 것을 특징으로 하는 체적 변동이 가능한 체결부재 성형방법이 제공된다.In addition, a mold member manufacturing step of manufacturing a mold member having a recessed portion formed in the circular molding groove and the inner peripheral surface of the molding groove; A fastening member forming step of filling the molten steel in the molding groove of the mold member to mold the fastening member having the protrusion formed thereon; There is provided a method of forming a fastening member, characterized in that the magnetic member insertion step of inserting a magnetic material in the insertion groove by forming an insertion groove on the flange portion of the fastening member formed by the fastening member forming step. .
이상과 같은 본 발명은 체결부재의 삽입홈에 자성체가 삽입되도록 하여 상기 체결부재를 통한 체결 작업이 용이하게 하되, 상기 체결부재의 상면이 자성을 띄게 하기 위해 프레스 작업을 통해 삽입홈을 형성하고 자성체를 삽입시킬 때 체결부재의 플랜지부 외주면에 형성된 돌출부에 의해 상기 체결부재의 상단면에서 체적 변동이 일어날 수 있게 하여 상기 체결부재의 외주면과 상기 자성체 사이의 간격을 확보함으로써 상품성을 향상시키는 동시에 일정한 체결부재 성형이 가능하게 하여 작업 적용 시 작업성을 증대시키는데 효과가 있는 발명인 것이다.The present invention as described above is a magnetic material is inserted into the insertion groove of the fastening member to facilitate the fastening operation through the fastening member, to form an insertion groove through the press work to make the upper surface of the fastening member magnetic and magnetic material When inserting the fasteners formed on the outer peripheral surface of the flange portion of the fastening member to allow the volume fluctuations in the upper surface of the fastening member to secure the gap between the outer peripheral surface of the fastening member and the magnetic body to improve the productability and at the same time fastening It is an invention that is effective to increase the workability in the work application by enabling the molding of the member.
도 1은 종래의 너트 형상의 체결부재를 도시하는 도면,1 is a view showing a conventional nut-shaped fastening member,
도 2의 (a)는 본 발명의 체적 변동이 가능한 체결부재의 금형부재를 도시하는 단면도,Figure 2 (a) is a cross-sectional view showing a mold member of the fastening member capable of changing the volume of the present invention,
도 2의 (b)는 본 발명의 체적 변동이 가능한 체결부재의 금형부재를 도시하는 평면도,Figure 2 (b) is a plan view showing a mold member of the fastening member capable of changing the volume of the present invention,
도 2의 (c)는 본 발명의 체적 변동이 가능한 체결부재의 금형부재의 다른 실시예를 도시하는 평면도,Figure 2 (c) is a plan view showing another embodiment of the mold member of the fastening member capable of changing the volume of the present invention,
도 3의 (a)는 본 발명의 체적 변동이 가능한 체결부재를 도시하는 도면,Figure 3 (a) is a view showing a fastening member capable of changing the volume of the present invention,
도 3의 (b)는 본 발명의 체적 변동이 가능한 체결부재를 도시하는 평면도,Figure 3 (b) is a plan view showing a fastening member capable of changing the volume of the present invention,
도 3의 (c)는 본 발명의 체적 변동이 가능한 체결부재의 다른 실시예를 도시하는 평면도,Figure 3 (c) is a plan view showing another embodiment of the fastening member capable of changing the volume of the present invention,
도 4는 본 발명의 체적 변동이 가능한 체결부재 성형방법을 도시하는 흐름도.Figure 4 is a flow chart showing a method of forming a fastening member capable of changing the volume of the present invention.
도 2 내지 도 4는 본 발명의 체적 변동이 가능한 체결부재 및 성형방법에 관한 것으로, 도 2는 본 발명의 체적 변동이 가능한 체결부재의 금형부재를 도시하는 도면이며, 도 3은 본 발명의 체적 변동이 가능한 체결부재를 도시하는 도면이고, 도 4는 본 발명의 체적 변동이 가능한 체결부재 성형방법을 도시하는 흐름도이다.2 to 4 relates to a fastening member and a molding method capable of changing the volume of the present invention, Figure 2 is a view showing a mold member of the fastening member capable of changing the volume of the present invention, Figure 3 is a volume of the present invention It is a figure which shows the fastening member which can be changed, and FIG. 4 is a flowchart which shows the fastening member shaping | molding method which can change a volume of this invention.
본 발명의 실시예를 첨부 도면을 참조하여 상세히 설명하면 다음과 같다.An embodiment of the present invention will be described in detail with reference to the accompanying drawings.
본 발명의 체적 변동이 가능한 체결부재 및 성형방법은 성형홈이 형성된 금형부재(100)가 구비되며, 상기 금형부재(100)의 성형홈(110)에 용해된 스틸을 충진시켜 너트 형상의 체결부재(200)가 주물(鑄物)되되; 상기 금형부재(100)의 성형홈(110) 내주면 상단에는 오목부(111)가 형성되어 상기 체결부재(200) 성형 시 외주면 상단에는 돌출부(221)가 형성되며, 원형의 성형홈(110)과 상기 성형홈(110) 내주면에 오목부(111)가 형성된 금형부재(100)를 제작하는 금형부재 제작단계(S10)와; 상기 금형부재(100)의 성형홈(110)에 용해된 스틸을 충진시켜 돌출부(221)가 형성된 체결부재(200)를 주물하는 체결부재 성형단계(S20)와; 상기 체결부재 성형단계(S20)를 통해 성형된 체결부재(200)의 플랜지부(220) 상면에 삽입홈(222)을 형성시켜 상기 삽입홈(222)에 자성체(223)를 삽입시키는 자성체 삽입단계(S30)로 구성되어 체결부재(200)의 체적 변동이 가능하게 하여 상기 체결부재(200)에 홈 성형 시 외형 변형을 방지함으로써 상품성을 향상시키는 동시에 일정한 체결부재(200) 성형이 가능하게 하여 작업 적용 시 작업성을 증대시키게 되는 것을 그 기술상의 기본 특징으로 한다.The fastening member and the molding method capable of changing the volume of the present invention are provided with a mold member 100 having a molding groove, and a nut-shaped fastening member by filling steel dissolved in the molding groove 110 of the mold member 100. 200 is to be cast; A concave portion 111 is formed at an upper end of an inner circumferential surface of the molding groove 110 of the mold member 100, and a protrusion 221 is formed at an upper end of the outer circumferential surface when the fastening member 200 is formed, and a circular molding groove 110 is formed. A mold member manufacturing step (S10) of manufacturing a mold member 100 having a recess 111 formed on an inner circumferential surface of the molding groove 110; A fastening member forming step (S20) of filling the molten steel in the molding groove 110 of the mold member 100 to mold the fastening member 200 having the protrusion 221 formed thereon; Magnetic body insertion step of inserting the magnetic material 223 into the insertion groove 222 by forming an insertion groove 222 on the upper surface of the flange portion 220 of the fastening member 200 formed through the fastening member forming step (S20). It is composed of (S30) to enable the volume change of the fastening member 200 to prevent the appearance deformation during the forming of the groove in the fastening member 200 to improve the merchandise and at the same time to enable the formation of a constant fastening member 200 The technical basic feature is to increase workability in application.
이하 본 발명의 체적 변동이 가능한 체결부재에 대한 각 구성요소를 첨부한 도면을 참조하여 하나씩 살펴보면 다음과 같다.Hereinafter, the components of the fastening member capable of changing the volume of the present invention will be described with reference to the accompanying drawings, one by one.
우선 본 발명인 체적 변동이 가능한 체결부재는 금형부재(100)를 통해 체결부재(200)가 주물(鑄物, casting)되는 것을 기본으로 한다.First, the fastening member capable of changing the volume of the present invention is based on the casting member 200 being cast through the mold member 100.
도 2 및 도 3에 도시된 바와 같이 금형부재(100)는 성형홈(110)이 형성되어 이하 기술하게 될 체결부재(200)의 외형을 형성할 수 있게 한다.As shown in FIGS. 2 and 3, the mold member 100 may form a molding groove 110 to form an outer shape of the fastening member 200 to be described below.
한편, 체결부재(200)는 금형부재(100)의 성형홈(110)에 용해된 스틸을 충진시켜 너트 형상의 체결부재(200)가 성형되도록 한다.On the other hand, the fastening member 200 is filled with the molten steel in the molding groove 110 of the mold member 100 so that the nut-shaped fastening member 200 is molded.
이때, 금형부재(100)의 성형홈(110) 내주면 상단에는 오목부(111)가 형성되도록 하여 체결부재(200) 성형 시 상기 체결부재(200) 외주면 상단에 돌출부(221)가 형성되도록 한다.At this time, the recess 111 is formed at the upper end of the molding groove 110 of the mold member 100 so that the protrusion 221 is formed at the upper end of the outer peripheral surface of the fastening member 200 when the fastening member 200 is formed.
또한, 금형부재(100)의 성형홈(110) 중앙에는 외주면에 나사산이 형성된 돌출바(112)가 상방으로 구비되어 체결부재(200) 성형 시 상기 체결부재(200) 중앙에 체결홀(201)이 형성되며 상기 체결홀(201) 내주면에는 나사산이 성형되게 하여 체결부품과의 결합 작업이 이루어질 수 있게 하는 것이 바람직하다.In addition, the center of the molding groove 110 of the mold member 100 is provided with a protrusion bar 112 formed with a screw thread on the outer peripheral surface upwards when forming the fastening member 200, the fastening hole 201 in the center of the fastening member 200. It is preferable to form a screw thread on the inner circumferential surface of the fastening hole 201 to allow a coupling operation with the fastening component.
한편, 금형부재(100)의 성형홈(110) 상단 내경이 중단 내경 보다 넓게 형성되어 체결부재(200) 성형 시 상기 체결부재(200)의 상단이 플랜지 형상으로 성형되도록 하는 것이 바람직하다.On the other hand, it is preferable that the inner diameter of the upper end of the molding groove 110 of the mold member 100 is wider than the stop inner diameter so that the upper end of the fastening member 200 is shaped into a flange when the fastening member 200 is formed.
이때, 체결부재(200)는 내주면에 나사산이 형성된 몸체부(210)와, 상기 몸체부(210) 상단에 형성되는 플랜지부(220)로 이루어지되, 상기 몸체부(210)의 내주면에는 체결홀(201)이 형성되며, 상기 플랜지부(220)의 내주면에도 상기 몸체부(210)의 체결홀(201)이 연장 형성되도록 하여 체결 작업 시 상기 체결부재(200) 끝까지 체결이 이루어질 수 있게 한다.At this time, the fastening member 200 is composed of a body portion 210 formed with a screw thread on the inner circumferential surface, and a flange portion 220 formed on the top of the body portion 210, the fastening hole on the inner circumferential surface of the body portion 210 A 201 is formed, and the fastening hole 201 of the body portion 210 is extended to the inner circumferential surface of the flange portion 220 so that the fastening can be performed to the end of the fastening member 200 during the fastening operation.
여기서, 체결부재(200)의 플랜지부(220) 상면에는 삽입홈(222)을 형성시키고 상기 삽입홈(222)에는 자성체(223)를 삽입시킨다. Here, the insertion groove 222 is formed in the upper surface of the flange portion 220 of the fastening member 200 and the magnetic body 223 is inserted into the insertion groove 222.
이때, 체결부재(200)의 삽입홈(222)에 자성체(223)를 삽입시키는 것은 상기 체결부재(200)를 통한 체결 작업 시 상기 체결부재(200)가 체결시키고자 하는 결합부품에 일시적으로 접착시킬 수 있게 하여 체결 작업을 용이하게 진행할 수 있게 하기 위한 것이다.At this time, inserting the magnetic material 223 into the insertion groove 222 of the fastening member 200 temporarily adhering to the coupling part to be fastened by the fastening member 200 during the fastening operation through the fastening member 200. It is intended to facilitate the fastening operation by making it possible.
또한, 체결부재(200)의 돌출부(221)는 플랜지부(220)의 외주면에 형성되어 상기 플랜지부(220)에 삽입홈(222) 성형 시 체적 변동이 가능하게 함으로써, 프레스 작업으로 상기 삽입홈(222)이 형성됨으로 인해 상기 플랜지부(220)의 형상이 변형되는 것을 방지하게 된다.In addition, the protrusion 221 of the fastening member 200 is formed on the outer circumferential surface of the flange portion 220 to enable a volume change when forming the insertion groove 222 in the flange portion 220, the insertion groove by the press operation The formation of the 222 prevents the shape of the flange portion 220 from being deformed.
이처럼, 본 발명은 체결부재(200)의 체적 변동이 가능하게 하여 삽입홈(222) 성형 시 플랜지부(220)의 형상 변형을 방지하는 동시에 상기 삽입홈(222)과 체결부재(200)의 외경 사이의 간격을 연장시킴으로 인해 강성을 강화시킬 수 있게 한다.As such, the present invention enables the volume change of the fastening member 200 to prevent the deformation of the flange portion 220 when the insertion groove 222 is formed, and at the same time the outer diameter of the insertion groove 222 and the fastening member 200. By extending the interval between them it is possible to enhance the rigidity.
또한, 삽입홈(222)과 돌출부(221)는 체결부재(200)의 중심으로부터 일직선상에 성형되며, 상기 삽입홈(222)과 돌출부(221)는 2개 이상 일정한 간격을 가지고 성형되도록 하여 강성을 향상시킬 수 있게 하는 것이 바람직하다.In addition, the insertion groove 222 and the protrusion 221 is formed in a straight line from the center of the fastening member 200, the insertion groove 222 and the protrusion 221 is formed to be formed at a predetermined interval of two or more rigidity. It is desirable to be able to improve the
여기서, 금형부재(100)의 성형홈(110)이 육각기둥 형상으로 이루어져 체결부재(200) 성형 시 상기 체결부재(200)의 몸체부(210) 외주면이 육각기둥 형상으로 이루어질 수 있게 하여 작업자의 편의성을 향상시킬 수 있게 하는 것이 바람직하다.Here, the molding groove 110 of the mold member 100 is formed in a hexagonal column shape so that the outer peripheral surface of the body portion 210 of the fastening member 200 may be formed in a hexagonal column shape when forming the fastening member 200. It is desirable to be able to improve the convenience.
한편, 도 2의 (c) 및 도 3의 (c)에 도시된 바와 같이 성형홈(110)과 상기 오목부(111)의 돌출부위 끝단이 상호 연장 형성되어 상기 성형홈(110)과 오목부(111) 사이에 꺾임부 발생을 방지하도록 하여 체결부재(200) 성형 시 체결부재(200)의 플랜지부(220)와 돌출부(221) 사이에도 꺾임부가 발생되지 않도록 하여 상기 플랜지부(220) 상면에 삽입홈(222) 성형 시 상기 플랜지부(220)의 외주면과 돌출부(221) 사이에 주름이 발생하게 되는 현상을 미연에 방지할 수 있게 한다.Meanwhile, as shown in FIGS. 2C and 3C, the forming groove 110 and the protruding end portions of the recess 111 extend to each other to form the forming groove 110 and the recess. To prevent the occurrence of the bent portion between the 111 to prevent the bent portion between the flange portion 220 and the protrusion 221 of the fastening member 200 when forming the fastening member 200, the upper surface of the flange portion 220 It is possible to prevent the phenomenon that wrinkles occur between the outer circumferential surface of the flange portion 220 and the protrusion 221 when the insertion groove 222 is formed.
이처럼, 본 발명은 체결부재(200)의 삽입홈(222)에 자성체(223)가 삽입되도록 하여 상기 체결부재(200)를 통한 체결 작업이 용이하게 하되, 상기 체결부재(200)의 상면이 자성을 띄게 하기 위해 프레스 작업을 통해 삽입홈(222)을 형성하고 자성체(223)를 삽입시킬 때 체결부재(200)의 플랜지부(220) 외주면에 형성된 돌출부(221)에 의해 상기 체결부재(200)의 상단면에서 체적 변동이 일어날 수 있게 하여 상기 체결부재(200)의 외주면과 상기 자성체(223) 사이의 간격을 확보함으로써 체결부재(200)의 강성을 향상시킬 수 있게 하는 것이다.As such, the present invention allows the magnetic body 223 to be inserted into the insertion groove 222 of the fastening member 200 to facilitate the fastening operation through the fastening member 200, the upper surface of the fastening member 200 is magnetic The fastening member 200 is formed by the protrusion 221 formed on the outer circumferential surface of the flange portion 220 of the fastening member 200 when the insertion groove 222 is formed through the press work and the magnetic body 223 is inserted in order to increase the height. It is to be able to improve the rigidity of the fastening member 200 by ensuring a gap between the outer peripheral surface of the fastening member 200 and the magnetic body 223 by allowing the volume change to occur in the top surface of the.
이하 본 발명의 체적 변동이 가능한 체결부재 성형방법에 대한 각 구성요소를 첨부한 도면을 참조하여 하나씩 살펴보면 다음과 같다.Hereinafter, each component of the method of forming a fastening member capable of changing the volume of the present invention will be described with reference to the accompanying drawings, one by one.
우선 본 발명인 체적 변동이 가능한 체결부재 성형방법은 도 4에 도시된 바와 같이 금형을 제작하는 금형부재 제작단계(S10)와, 상기 금형을 통해 체결부재(200)를 성형하는 체결부재 성형단계(S20)와, 상기 체결부재(200)에 자성체(223)를 삽입시키는 자성체 삽입단계(S30)로 이루어지는 것을 기본으로 한다.First, the present invention is a method for forming a fastening member capable of volume variation, as shown in FIG. 4, a mold member manufacturing step (S10) for manufacturing a mold, and a fastening member molding step (S20) for molding the fastening member 200 through the mold. ) And a magnetic body insertion step (S30) for inserting the magnetic body 223 into the fastening member 200.
금형부재 제작단계(S10)는 원형의 성형홈(110)과 상기 성형홈(110) 내주면에 오목부(111)가 형성된 금형부재(100)를 제작하는 단계로서, 이하 기술하게 될 체결부재(200)를 성형할 수 있도록 상기 성형홈(110)의 형상을 설정한다.Mold member manufacturing step (S10) is a step of manufacturing a mold member 100 having a concave portion 111 formed in the circular molding groove 110 and the inner peripheral surface of the molding groove 110, the fastening member 200 will be described below Set the shape of the forming groove 110 to be molded.
이때, 성형홈(110) 내주면에 오목부(111)가 형성되는 것은 이하 기술하게 될 체결부재(200)의 외주면에 돌출부(221)가 형성될 수 있게 하기 위한 것이다.In this case, the recess 111 is formed on the inner circumferential surface of the molding groove 110 so that the protrusion 221 may be formed on the outer circumferential surface of the fastening member 200 to be described below.
체결부재 성형단계(S20)는 금형부재(100)의 성형홈(110)에 용해된 스틸을 충진시켜 체결부재(200)를 주물시키는 단계로서, 상기 금형부재(100)의 성형홈(110)에 형성된 오목부(111)에 의해 체결부재(200)의 외주면에 돌출부(221)가 형성되도록 한다.Fastening member forming step (S20) is a step of casting the fastening member 200 by filling the molten steel in the molding groove 110 of the mold member 100, in the molding groove 110 of the mold member 100 The protrusion 221 is formed on the outer circumferential surface of the fastening member 200 by the formed recess 111.
자성체 삽입단계(S30)는 체결부재 성형단계(S20)를 통해 성형된 체결부재(200)의 상면에 삽입홈(222)을 형성하고, 상기 삽입홈(222)에 자성체(223)를 삽입시키는 단계로서, 상기 자성체(223)에 의해 체결부재(200)의 상면에 자성을 형성하도록 한다.Magnetic body inserting step (S30) is to form an insertion groove 222 on the upper surface of the fastening member 200 formed through the fastening member forming step (S20), and inserting the magnetic body 223 into the insertion groove 222 As a magnetic feature, the magnetic body 223 forms a magnet on the upper surface of the fastening member 200.
여기서, 체결부재(200)의 삽입홈(222)에 자성체(223)가 삽입되는 것은 상기 체결부재(200)를 통한 체결 작업 시 상기 체결부재(200)가 체결시키고자 하는 결합부품에 일시적으로 접착시킬 수 있게 하기 위한 것으로, 상기 체결부재(200)의 상면이 자성을 띄게 하기 위해 자성체(223)를 삽입시킬 때 체결부재(200) 외주면에 형성된 돌출부(221)에 의해 상기 체결부재(200)의 상단면에서 체적 변동이 일어날 수 있게 하여 상기 체결부재(200)의 외주면과 상기 자성체(223) 사이의 간격을 확보함으로써 체결부재(200)의 강성을 향상시킬 수 있게 한다.Here, the magnetic material 223 is inserted into the insertion groove 222 of the fastening member 200 is temporarily bonded to the coupling part to be fastened by the fastening member 200 during the fastening operation through the fastening member 200. In order to be able to, the upper surface of the fastening member 200 is inserted into the magnetic body 223 in order to make the magnetic feature of the fastening member 200 by the projection 221 formed on the outer peripheral surface of the fastening member 200 It is possible to improve the rigidity of the fastening member 200 by ensuring a gap between the outer peripheral surface of the fastening member 200 and the magnetic body 223 by allowing the volume change to occur in the top surface.
상기와 같이 구성된 본 발명의 체적 변동이 가능한 체결부재는 성형홈이 형성된 금형부재가 구비되며, 상기 금형부재의 성형홈에 용해된 스틸을 충진시켜 너트 형상의 체결부재가 주물(鑄物)되되; 상기 금형부재의 성형홈 내주면 상단에는 오목부가 형성되어 상기 체결부재 성형 시 외주면 상단에는 돌출부가 형성되며, 원형의 성형홈과 상기 성형홈 내주면에 오목부가 형성된 금형부재 제작하는 금형부재 제작단계와; 상기 금형부재의 성형홈에 용해된 스틸을 충진시켜 돌출부가 형성된 체결부재를 주물(鑄物)하는 체결부재 성형단계와; 상기 체결부재 성형단계를 통해 성형된 체결부재의 플랜지부 상면에 삽입홈을 형성시켜 상기 삽입홈에 자성체를 삽입시키는 자성체 삽입단계로 구성되어 체결부재의 체적 변동이 가능하게 하여 상기 체결부재에 홈 성형 시 외형 변형을 방지함으로써 상품성을 향상시키는 동시에 일정한 체결부재 성형이 가능하게 하여 작업 적용 시 작업성을 증대시키는데 탁월한 이점을 가진 발명인 것이다.The fastening member capable of varying the volume of the present invention configured as described above includes a mold member having a molding groove formed therein, and a nut-shaped fastening member is cast by filling steel dissolved in the molding groove of the mold member; A mold member manufacturing step of manufacturing a mold member having a recess formed at an upper end of an inner circumferential surface of the mold member, a protrusion formed at an upper end of an outer circumferential surface thereof when forming the fastening member, and a circular molded groove and a mold member having a recess formed on the inner circumferential surface of the molding groove; A fastening member forming step of filling a molten steel in a molding groove of the mold member to cast a fastening member having a protrusion; Magnetic insertion step of inserting a magnetic material into the insertion groove by forming an insertion groove on the flange portion of the fastening member formed through the fastening member forming step to enable a volume change of the fastening member to form a groove on the fastening member It is an invention having an excellent advantage in improving the workability at the same time to improve the workability by preventing deformation of the visual appearance and to increase the workability when applying the work.
이상과 같이, 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 이것에 의해 한정되지 않으며 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 본 발명의 기술사상과 아래에 기재될 특허청구범위 내에서 다양한 수정 및 변형이 가능함은 물론이다.As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto and is intended by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of the claims to be described.
부호설명Description
100 : 금형부재 110 : 성형홈100: mold member 110: molding groove
111 : 오목부 112 : 돌출바111: recess 112: protrusion bar
200 : 체결부재 210 : 몸체부200: fastening member 210: body portion
220 : 플랜지부 221 : 돌출부220: flange portion 221: protrusion
222 : 삽입홈 223 : 자성체222: insertion groove 223: magnetic material
S10 : 금형부재 제작단계 S20 : 체결부재 성형단계S10: mold member manufacturing step S20: fastening member molding step
S30 : 자성체 삽입단계S30: magnetic material insertion step

Claims (9)

  1. 성형홈이 형성된 금형부재가 구비되며, 상기 금형부재의 성형홈에 용해된 스틸을 충진시켜 너트 형상의 체결부재가 주물(鑄物)되되;A mold member having a molding groove is provided, and a nut-shaped fastening member is cast by filling steel melted in the molding groove of the mold member;
    상기 금형부재의 성형홈 내주면 상단에는 오목부가 형성되어 상기 체결부재 성형 시 외주면 상단에는 돌출부가 형성되는 것을 특징으로 하는 체적 변동이 가능한 체결부재.A concave portion is formed at an upper end of the inner circumferential surface of the molding groove of the mold member, and a protrusion is formed at the upper end of the outer circumferential surface when the fastening member is formed.
  2. 제 1항에 있어서,The method of claim 1,
    상기 성형홈 중앙에는 외주면에 나사산이 형성된 돌출바가 상방으로 구비되어 상기 체결부재 중앙에 체결홀이 형성되며, 상기 체결홀 내주면에는 나사산이 성형되는 것을 특징으로 하는 체적 변동이 가능한 체결부재.The center of the forming groove is provided with a protrusion bar formed on the outer circumferential surface upwards and a fastening hole is formed in the center of the fastening member, the fastening member capable of varying the volume, characterized in that the thread is formed on the inner circumferential surface of the fastening hole.
  3. 제 1항에 있어서,The method of claim 1,
    상기 금형부재의 성형홈 상단 내경이 중단 내경 보다 넓게 형성되어 상기 체결부재의 상단이 플랜지 형상으로 성형되는 것을 특징으로 하는 체적 변동이 가능한 체결부재.A fastening member capable of varying volume, characterized in that the inner diameter of the upper end of the forming groove of the mold member is wider than the inner diameter of the mold member so that the upper end of the fastening member is shaped into a flange shape.
  4. 제 1항에 있어서, 상기 체결부재는The method of claim 1, wherein the fastening member
    내주면에 체결홀이 형성된 몸체부와;A body portion having a fastening hole formed on an inner circumferential surface thereof;
    상기 몸체부 상단에 형성되며 내주면에는 상기 몸체부의 체결홀이 연장 형성되는 플랜지부로 이루어지는 것을 특징으로 하는 체적 변동이 가능한 체결부재.It is formed on the top of the body portion and the inner circumferential surface is a fastening member capable of varying the volume, characterized in that consisting of a flange portion extending extending portion of the body portion.
  5. 제 4항에 있어서, The method of claim 4, wherein
    상기 체결부재의 플랜지부 상면에 삽입홈을 형성시켜 상기 삽입홈에 자성체를 삽입시키되, 상기 체결부재의 돌출부가 상기 플랜지부 외주면에 형성되어 상기 삽입홈 성형 시 체적 변동이 가능하게 하는 것을 특징으로 하는 체적 변동이 가능한 체결부재.Forming an insertion groove in the upper surface of the flange portion of the fastening member to insert a magnetic material in the insertion groove, the protrusion of the fastening member is formed on the outer peripheral surface of the flange portion characterized in that the volume fluctuation when forming the insertion groove Fastening member capable of volume change.
  6. 제 5항에 있어서, The method of claim 5,
    상기 삽입홈과 돌출부는 체결부재의 중심으로부터 일직선상에 성형되되, 상기 삽입홈과 돌출부는 2개 이상 일정한 간격을 가지고 성형되는 것을 특징으로 하는 체적 변동이 가능한 체결부재.The insertion groove and the protrusion is formed in a straight line from the center of the fastening member, the insertion groove and the protrusion is capable of changing the volume, characterized in that formed at regular intervals of two or more.
  7. 제 4항에 있어서,The method of claim 4, wherein
    상기 금형부재의 성형홈은 육각기둥 형상으로 이루어져 상기 체결부재의 몸체부 외주면이 육각기둥 형상으로 이루어지는 것을 특징으로 하는 체적 변동이 가능한 체결부재.The molding groove of the mold member is made of a hexagonal column shape, the outer circumferential surface of the body portion of the fastening member is a fastening member capable of volume variation, characterized in that the hexagonal column shape.
  8. 제 1항에 있어서,The method of claim 1,
    상기 성형홈과 상기 오목부의 돌출부위 끝단이 상호 연장 형성되어 상기 성형홈과 오목부 사이에 꺾임부 발생을 방지하게 되는 것을 특징으로 하는 체적 변동이 가능한 체결부재.The forming groove and the protruding end of the concave portion are formed to extend mutually to prevent the bending portion between the forming groove and the concave portion, characterized in that the fastening member capable of changing the volume.
  9. 원형의 성형홈과 상기 성형홈 내주면에 오목부가 형성된 금형부재를 제작하는 금형부재 제작단계와;A mold member manufacturing step of manufacturing a mold member having a concave portion formed in a circular molding groove and an inner circumferential surface of the molding groove;
    상기 금형부재의 성형홈에 용해된 스틸을 충진시켜 돌출부가 형성된 체결부재를 주물(鑄物)하는 체결부재 성형단계와;A fastening member forming step of filling a molten steel in a molding groove of the mold member to cast a fastening member having a protrusion;
    상기 체결부재 성형단계를 통해 성형된 체결부재의 상면에 삽입홈을 형성시켜 상기 삽입홈에 자성체를 삽입시키는 자성체 삽입단계로 구성되는 것을 특징으로 하는 체적 변동이 가능한 체결부재 성형방법.And a magnetic body inserting step of inserting a magnetic body into the insertion groove by forming an insertion groove on the upper surface of the fastening member formed through the fastening member forming step.
PCT/KR2012/004334 2011-06-21 2012-06-01 Fastening member having a variable volume and method for molding same WO2012176997A2 (en)

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KR1020110060337A KR101183674B1 (en) 2011-06-21 2011-06-21 Fastening member of body capacity changeable
KR10-2011-0060337 2011-06-21

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Citations (4)

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Publication number Priority date Publication date Assignee Title
JPH08152016A (en) * 1994-11-28 1996-06-11 Takigen Mfg Co Ltd Drawing nut
KR200292325Y1 (en) * 1997-03-15 2003-03-28 최상영 Attachment nut device for discharge pipe for water pump
JP2007315538A (en) * 2006-05-26 2007-12-06 Yamaguchi Nut:Kk Nut, manufacturing method for nut, and loosening prevention structure of nut
KR20110020075A (en) * 2009-08-21 2011-03-02 함기준 Magnetic force type connecting elements

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Publication number Priority date Publication date Assignee Title
US3150222A (en) * 1961-05-16 1964-09-22 Phillips Petroleum Co Molding threaded articles
US4079475A (en) * 1977-03-09 1978-03-21 Coats & Clark, Inc. Process for manufacturing an internally cast or molded single threaded product
KR200319323Y1 (en) 2003-04-18 2003-07-07 한성보 Anti-crack connecting unti for refrigerator
JP4033147B2 (en) * 2004-02-24 2008-01-16 株式会社豊田自動織機 Casting method and casting for castings

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08152016A (en) * 1994-11-28 1996-06-11 Takigen Mfg Co Ltd Drawing nut
KR200292325Y1 (en) * 1997-03-15 2003-03-28 최상영 Attachment nut device for discharge pipe for water pump
JP2007315538A (en) * 2006-05-26 2007-12-06 Yamaguchi Nut:Kk Nut, manufacturing method for nut, and loosening prevention structure of nut
KR20110020075A (en) * 2009-08-21 2011-03-02 함기준 Magnetic force type connecting elements

Also Published As

Publication number Publication date
CN102840213B (en) 2016-03-30
WO2012176997A3 (en) 2013-02-14
CN102840213A (en) 2012-12-26
CN103597223A (en) 2014-02-19
KR101183674B1 (en) 2012-09-17

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