WO2018199349A1 - Pressing apparatus - Google Patents

Pressing apparatus Download PDF

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Publication number
WO2018199349A1
WO2018199349A1 PCT/KR2017/004397 KR2017004397W WO2018199349A1 WO 2018199349 A1 WO2018199349 A1 WO 2018199349A1 KR 2017004397 W KR2017004397 W KR 2017004397W WO 2018199349 A1 WO2018199349 A1 WO 2018199349A1
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WO
WIPO (PCT)
Prior art keywords
mold
moving block
fixing
sides
press working
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PCT/KR2017/004397
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French (fr)
Korean (ko)
Inventor
조병철
Original Assignee
(주)호원테크
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Publication of WO2018199349A1 publication Critical patent/WO2018199349A1/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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/10—Die sets; Pillar guides
    • 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
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/14—Particular arrangements for handling and holding in place complete dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/02—Dies; Inserts therefor; Mounting thereof; Moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/04—Frames; Guides

Definitions

  • the present invention relates to a press working apparatus, and more particularly, to a press working apparatus capable of easily setting various types of molds to a lifting slider portion and a bolster.
  • the press working apparatus presses the workpiece and processes it into a constant shape.
  • the press working apparatus is provided with a bolster in the lower part of a main body, and the lifting slider part is provided in the upper part of a main body so that it can move up and down.
  • the lower die is installed in the bolster, and the upper die is installed in the lifting slider part.
  • Manufacturers of vehicle parts order different types of molds for different parts of a vehicle.
  • the upper and lower molds are assembled and set on the lifting slider and the bolster, respectively.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a press working apparatus which can easily set various types of molds to a lifting slider portion and a bolster.
  • the press working apparatus comprises: a lower mold mounted on a bolster; An upper mold disposed to face the lower mold and moved up and down by an upper slider; An upper moving block movably installed at both sides of the upper mold; And an auto clamp coupled to the upper moving block and fixing the upper mold to the upper slider by hydraulic pressure.
  • the upper movable block may be installed on both sides of the upper mold, respectively.
  • An upper guide portion formed on both sides of the upper mold along a longitudinal direction of the upper mold, and the upper moving block being coupled to the upper guide groove to be movable; And an upper head portion extending from the upper latching portion and having an upper fixing groove portion formed to couple the auto clamp.
  • the upper fixing groove may be formed in a "U" shape in which one side is opened.
  • a plurality of upper position fixing holes are arranged on both sides of the upper mold along a length direction of the upper mold, and one or more upper insertion holes are formed in the upper head to correspond to the upper position fixing holes, and the upper moving block
  • An upper fixing pin portion may be inserted into the upper position fixing hole portion and the upper insertion hole portion to fix the position of the upper fixing pin portion.
  • Lower moving blocks are installed on both sides of the lower mold to be movable, and the lower moving blocks may be fixed to the bolster by lower fixing bolts.
  • Lower guide grooves are formed on both sides of the lower mold along the longitudinal direction of the lower mold, and the lower moving block includes: a lower locking part movably coupled to the lower guide groove; And a lower head portion extending from the lower locking portion and having a lower fixing groove formed to couple the lower fixing bolt.
  • the upper movable block is installed to be movable on both sides of the upper mold, when the upper mold is assembled and set on the upper slider, the position of the upper movable block can be changed in various ways to suit the specifications or the size of the upper mold. have. Therefore, it is possible to prevent the upper movable block from interfering with or hanging on the chute. In addition, it is not necessary to redesign the position of the upper movable block according to the specification or size of the mold.
  • the auto clamp can be prevented from interfering with the chute.
  • FIG. 1 is a front view showing a press working apparatus according to an embodiment of the present invention.
  • FIG. 2 is a plan view showing an upper mold and an upper moving block in the press working apparatus according to an embodiment of the present invention.
  • Figure 3 is a front view showing an upper moving block in the press working apparatus according to an embodiment of the present invention.
  • Figure 4 is a perspective view showing an upper moving block in the press working apparatus according to an embodiment of the present invention.
  • Figure 5 is a front view showing a lower moving block in the press working apparatus according to an embodiment of the present invention.
  • Figure 6 is a perspective view of the lower moving block in the press working apparatus according to an embodiment of the present invention.
  • FIG. 1 is a front view showing a press working apparatus according to an embodiment of the present invention
  • Figure 2 is a plan view showing an upper mold and an upper moving block in the press working apparatus according to an embodiment of the present invention
  • Figure 3 4 is a front view illustrating an upper moving block in a press working apparatus according to an embodiment of the present invention
  • FIG. 4 is a perspective view illustrating an upper moving block in a press working apparatus according to an embodiment of the present invention.
  • the press working apparatus includes a lower mold 120, an upper mold 160, an upper moving block 170, and an auto clamp 180.
  • the lower mold 120 is mounted on the upper portion of the bolster 110.
  • the bolster 110 is disposed below the press working apparatus.
  • the upper mold 160 is disposed to face the lower mold 120 and is moved up and down by the upper slider part 150.
  • the upper slider unit 150 is moved along a lifting guide (not shown) disposed up and down.
  • the lifting guides are arranged side by side in the vertical direction on the main body of the press working apparatus.
  • the upper movable block 170 is installed to be movable on both sides of the upper mold 160.
  • one or more upper moving blocks 170 are installed on both sides of the upper mold 160. Since the upper movable block 170 is installed to be movable on both sides of the upper mold 160, when the assembly and set the upper slider 160 to the upper mold 160, the specification or size of the upper mold 160 to match The position of the upper moving block 170 may be variously changed. Thus, the upper movable block 170 can be prevented from interfering with or caught in the chute (not shown).
  • the upper movable block 170 is moved at a position of 480cm or 520cm at the center of the left and right directions of the upper mold 160.
  • the upper movable block 170 is moved to a position of 520cm or 600cm in the left and right center of the upper mold 160.
  • the upper movable block 170 is moved to a position of 640cm or 700cm in the left and right center of the upper mold 160.
  • the upper movable block 170 may be moved to an appropriate position according to the specification of the upper mold 160.
  • the auto clamp 180 is coupled to the upper moving block 170 and fixes the upper mold 160 to the upper slider portion 150 by hydraulic pressure.
  • the auto clamp 180 is connected to the hydraulic device (not shown) by the hydraulic hose 184, the auto clamp 180 is connected to the hydraulic fixing part (not shown) inside the upper slider portion 150.
  • the auto clamp 180 includes a clamp body 181 connected to the hydraulic hose 184, and a coupling pipe portion 182 extending tubularly from the clamp body 181.
  • the auto clamp 180 As the hydraulic device generates hydraulic pressure (suction pressure) in the auto clamp 180, the auto clamp 180 is constrained to the upper slider part 150. Since the upper movable block 170 is installed to avoid the position where it interferes with the chute, the auto clamp 180 may also avoid the position where it interferes with the chute.
  • the upper movable block 170 is installed on both sides of the upper mold 160, respectively. Therefore, as the auto clamp 180 is coupled to the upper movable block 170 on both sides of the upper mold 160, the upper mold 160 is constrained to the upper slider part 150.
  • Upper guide grooves 161 are formed on both sides of the upper mold 160 along the longitudinal direction of the upper mold 160.
  • the upper moving block 170 extends from the upper locking portion 171 that is movably coupled to the upper guide groove 161, the upper locking portion 171, and the upper fixing groove 174 so that the auto clamp 180 is coupled thereto. ) Is an upper head portion 173 is formed.
  • the upper locking portion 171 is formed in the "L” shape so as not to fall out of the upper guide groove 161.
  • the upper locking portion 171 is formed in the "T” shape so as not to fall out of the upper guide groove 161.
  • the upper locking portion 171 may be formed in various ways according to the shape of the upper guide groove 161.
  • the upper fixing groove 174 is formed in a "U" shape that one side is open. Since the upper fixing groove 174 is formed to be open at one side, the coupling pipe 182 of the auto clamp 180 may be coupled to the inside of the upper fixing groove 174 through the open portion of the upper fixing groove 174. have. Thus, the auto clamp 180 can be easily fixed to the upper moving block 170. In addition, even when one side of the upper fixing groove 174 is opened, when the coupling pipe 182 of the auto clamp 180 is inserted into and fixed to the upper slider 150, the auto clamp 180 does not fall out of the upper fixing groove 174. Therefore, the upper mold 160 may be stably fixed to the upper slider portion 150.
  • a plurality of upper position fixing holes 163 are arranged along the longitudinal direction of the upper mold 160.
  • One or more upper insertion hole portions 175 are formed in the upper head portion 173 so as to correspond to the upper position fixing hole portion 163.
  • the upper fixing pin 176 is inserted into the upper position fixing hole 163 and the upper insertion hole 175 to fix the position of the upper moving block 170. Therefore, after the upper moving block 170 is moved to a predetermined position, the upper fixing pin 176 and the upper fixing pin 176 may be inserted after the upper position fixing hole 163 corresponds to the upper fixing pin 176.
  • Figure 5 is a front view showing a lower moving block in the press working apparatus according to an embodiment of the present invention
  • Figure 6 is a perspective view showing a lower moving block in the press working apparatus according to an embodiment of the present invention.
  • the lower movable block 130 is installed on both sides of the lower mold 120 to be movable, and the lower movable block 130 is connected to the bolster 110 by the lower fixing bolt 140. It is fixed. Since the lower movable block 130 is installed to be movable on both sides of the lower mold 120, when the lower mold 120 is assembled and set on the lower bolster 110, the lower mold 120 may have a lower specification or size to fit. The position of the moving block 130 may be variously changed. Therefore, the lower movable block 130 may be prevented from interfering with or caught in a chute (not shown). In addition, it is not necessary to redesign the lower mold 120 so that the position of the lower moving block 130 is changed according to the specification or size of the lower mold 120.
  • the lower movable block 130 is moved at a position of 480 cm or 520 cm at the center of the left and right directions of the lower mold 120.
  • the lower movable block 130 is moved to a position of 520cm or 600cm in the left and right center of the lower mold 120.
  • the lower movable block 130 is moved to a position of 640cm or 700cm in the left and right center of the lower mold 120. As such, the lower moving block 130 may be moved to an appropriate position according to the specification of the lower mold 120.
  • Lower guide grooves 121 are formed on both sides of the lower mold 120 along the length direction of the lower mold 120.
  • the lower movable block 130 has a lower locking portion 131 which is movably coupled to the lower guide groove 121, extends from the lower locking portion 131, and has a lower fixing groove portion (2) to which the lower fixing bolt 140 is coupled.
  • 134 includes a lower head portion 133 is formed.
  • the lower locking portion 131 is formed in the "L" shape so as not to fall out of the lower guide groove 121.
  • the cross-section of the lower guide groove 121 and the lower locking portion 131 may be formed in a "T” shape.
  • the lower locking portion 131 may be formed in various ways according to the shape of the lower guide groove 121.
  • the lower fixing groove 134 is formed in a “U” shape in which one side is opened. Since the lower fixing groove 134 is formed to be open at one side, the lower fixing bolt 140 may be coupled to the inside of the lower fixing groove 134 through an open portion of the lower fixing groove 134. In addition, even if one side of the lower fixing groove 134 is opened, if the lower fixing bolt 140 is inserted into the lower fixing groove 134 and fixed, the lower fixing bolt 140 does not fall out of the lower fixing groove 134, the lower mold 120 may be stably fixed to the bolster (110).
  • a plurality of lower position fixing holes 123 is arranged along the longitudinal direction of the lower mold 120. At least one lower insertion hole 135 is formed at the lower head 133 to correspond to the lower position fixing hole 123.
  • the lower fixing pin 136 is inserted into the lower position fixing hole 123 and the lower insertion hole 135 to fix the position of the lower moving block 130. Therefore, after the lower moving block 130 is moved to a predetermined position, the lower fixing pin 136 may be inserted after the lower position fixing hole 123 and the lower insertion hole 135 correspond to each other.
  • the present invention has industrial applicability since the position of the upper movable block can be variously changed to suit the specifications or the size of the upper mold when the upper mold is assembled and set to the upper slider.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)

Abstract

An invention related to a pressing apparatus is disclosed. The pressing apparatus of the present invention comprises: a lower mold mounted on a bolster; an upper mold disposed to face the lower mold, and moving up and down by means of an upper slider part; upper movable blocks movably provided at both sides of the upper mold; and an automatic clamp coupled to the upper movable blocks, and fixing the upper mold to the upper slider part by hydraulic pressure.

Description

프레스 가공 장치Press processing equipment
본 발명은 프레스 가공 장치에 관한 것으로서, 보다 상세하게는 다양한 형태의 금형을 승강 슬라이더부와 볼스터에 용이하게 세팅할 수 있는 프레스 가공 장치에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a press working apparatus, and more particularly, to a press working apparatus capable of easily setting various types of molds to a lifting slider portion and a bolster.
일반적으로 프레스 가공 장치는 가공 소재를 가압하여 일정한 형상으로 가공한다. 프레스 가공 장치에는 본체의 하부에 볼스터가 설치되고, 본체의 상부에 상하로 이동 가능하도록 승강 슬라이더부가 설치된다. 볼스터에는 하부 금형이 설치되고, 승강 슬라이더부에는 상부 금형이 설치된다. In general, the press working apparatus presses the workpiece and processes it into a constant shape. The press working apparatus is provided with a bolster in the lower part of a main body, and the lifting slider part is provided in the upper part of a main body so that it can move up and down. The lower die is installed in the bolster, and the upper die is installed in the lifting slider part.
차량 부품의 제조 회사에서는 차량의 부품마다 다른 형태의 금형을 주문한다. 제작된 상부 금형과 하부 금형은 승강 슬라이더와 볼스터에 각각 조립 및 세팅된다.Manufacturers of vehicle parts order different types of molds for different parts of a vehicle. The upper and lower molds are assembled and set on the lifting slider and the bolster, respectively.
그러나, 종래에는 제작사마다 금형의 사이즈와 사양이 다르게 형성되므로, 금형에서 고정홈의 위치가 제작사마다 다르게 형성된다. 따라서, 프레스 가공 장치에 맞게 금형을 다시 설계해야 하는 문제점이 있다.However, in the related art, since the size and specifications of the mold are different for each manufacturer, the position of the fixing groove in the mold is different for each manufacturer. Therefore, there is a problem in that the mold must be redesigned for the press working apparatus.
본 발명의 배경기술은 대한민국 등록특허공보 제10-0748675호(2007. 08. 06 등록, 발명의 명칭: 프레스용 금형 클램프장치)에 개시되어 있다.Background art of the present invention is disclosed in Republic of Korea Patent Publication No. 10-0748675 (2007. 08. 06 registered, the name of the invention: the mold clamp device for press).
본 발명은 상기와 같은 문제점을 개선하기 위해 창출된 것으로, 본 발명의 목적은 다양한 형태의 금형을 승강 슬라이더부와 볼스터에 용이하게 세팅할 수 있는 프레스 가공 장치를 제공하는 것이다.SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a press working apparatus which can easily set various types of molds to a lifting slider portion and a bolster.
본 발명에 따른 프레스 가공 장치는: 볼스터에 탑재되는 하부 금형; 상기 하부 금형에 대향되게 배치되고, 상부 슬라이더부에 의해 상하로 이동되는 상부 금형; 상기 상부 금형의 양측에 이동 가능하게 설치되는 상부 이동블록; 및 상기 상부 이동블록에 결합되고, 상기 상부 금형을 유압에 의해 상기 상부 슬라이더부에 고정시키는 오토 클램프를 포함하는 것을 특징으로 한다.The press working apparatus according to the present invention comprises: a lower mold mounted on a bolster; An upper mold disposed to face the lower mold and moved up and down by an upper slider; An upper moving block movably installed at both sides of the upper mold; And an auto clamp coupled to the upper moving block and fixing the upper mold to the upper slider by hydraulic pressure.
상기 상부 이동블록은 상기 상부 금형의 양측에 각각 설치될 수 있다.The upper movable block may be installed on both sides of the upper mold, respectively.
상기 상부 금형의 양측에는 상기 상부 금형의 길이방향을 따라 상부 가이드홈부가 형성되고, 상기 상부 이동블록은 상기 상부 가이드홈부에 이동 가능하게 결합되는 상부 걸림부; 및 상기 상부 걸림부에서 연장되고, 상기 오토 클램프가 결합되도록 상부 고정홈부가 형성되는 상부 헤드부를 포함할 수 있다.An upper guide portion formed on both sides of the upper mold along a longitudinal direction of the upper mold, and the upper moving block being coupled to the upper guide groove to be movable; And an upper head portion extending from the upper latching portion and having an upper fixing groove portion formed to couple the auto clamp.
상기 상부 고정홈부는 일측이 개방되는 "U" 형태로 형성될 수 있다.The upper fixing groove may be formed in a "U" shape in which one side is opened.
상기 상부 금형의 양측에는 상기 상부 금형의 길이방향을 따라 복수의 상부 위치고정홀부가 배열되고, 상기 상부 헤드부에는 상기 상부 위치고정홀부에 대응되도록 하나 이상의 상부 삽입홀부가 형성되며, 상기 상부 이동블록의 위치를 고정하도록 상기 상부 위치고정홀부와 상기 상부 삽입홀부에 상부 고정핀부가 삽입될 수 있다.A plurality of upper position fixing holes are arranged on both sides of the upper mold along a length direction of the upper mold, and one or more upper insertion holes are formed in the upper head to correspond to the upper position fixing holes, and the upper moving block An upper fixing pin portion may be inserted into the upper position fixing hole portion and the upper insertion hole portion to fix the position of the upper fixing pin portion.
상기 하부 금형의 양측에는 이동 가능하도록 하부 이동블록이 설치되고, 상기 하부 이동블록은 하부 고정볼트에 의해 상기 볼스터에 고정될 수 있다.Lower moving blocks are installed on both sides of the lower mold to be movable, and the lower moving blocks may be fixed to the bolster by lower fixing bolts.
상기 하부 금형의 양측에는 상기 하부 금형의 길이방향을 따라 하부 가이드홈부가 형성되고, 상기 하부 이동블록은, 상기 하부 가이드홈부에 이동 가능하게 결합되는 하부 걸림부; 및 상기 하부 걸림부에서 연장되고, 상기 하부 고정볼트가 결합되도록 하부 고정홈부가 형성되는 하부 헤드부를 포함할 수 있다.Lower guide grooves are formed on both sides of the lower mold along the longitudinal direction of the lower mold, and the lower moving block includes: a lower locking part movably coupled to the lower guide groove; And a lower head portion extending from the lower locking portion and having a lower fixing groove formed to couple the lower fixing bolt.
본 발명에 따르면, 상부 이동블록이 상부 금형의 양측에 이동 가능하게 설치되므로, 상부 금형이 상부 슬라이더부에 조립 및 세팅될 때에 상부 금형의 사양이나 사이즈가 맞게 상부 이동블록의 위치를 다양하게 변경할 수 있다. 따라서, 상부 이동블록이 슈트에 간섭되거나 걸리는 것을 방지할 수 있다. 또한, 금형의 사양이나 사이즈에 따라 상부 이동블록의 위치를 다시 설계할 필요가 없다.According to the present invention, since the upper movable block is installed to be movable on both sides of the upper mold, when the upper mold is assembled and set on the upper slider, the position of the upper movable block can be changed in various ways to suit the specifications or the size of the upper mold. have. Therefore, it is possible to prevent the upper movable block from interfering with or hanging on the chute. In addition, it is not necessary to redesign the position of the upper movable block according to the specification or size of the mold.
또한, 본 발명에 따르면, 상부 이동블록이 슈트에 간섭 내지 걸리는 위치를 회피하여 설치되므로, 오토 클램프가 슈트에 간섭 내지 걸리는 것을 방지할 수 있다.In addition, according to the present invention, since the upper movable block is installed to avoid the position where it interferes with the chute, the auto clamp can be prevented from interfering with the chute.
도 1은 본 발명의 일 실시예에 따른 프레스 가공 장치를 도시한 정면도이다.1 is a front view showing a press working apparatus according to an embodiment of the present invention.
도 2는 본 발명의 일 실시예에 따른 프레스 가공 장치에서 상부 금형과 상부 이동블록을 도시한 평면도이다.2 is a plan view showing an upper mold and an upper moving block in the press working apparatus according to an embodiment of the present invention.
도 3은 본 발명의 일 실시예에 따른 프레스 가공 장치에서 상부 이동블록을 도시한 정면도이다.Figure 3 is a front view showing an upper moving block in the press working apparatus according to an embodiment of the present invention.
도 4는 본 발명의 일 실시예에 따른 프레스 가공 장치에서 상부 이동블록을 도시한 사시도이다.Figure 4 is a perspective view showing an upper moving block in the press working apparatus according to an embodiment of the present invention.
도 5는 본 발명의 일 실시예에 따른 프레스 가공 장치에서 하부 이동블록을 도시한 정면도이다.Figure 5 is a front view showing a lower moving block in the press working apparatus according to an embodiment of the present invention.
도 6은 본 발명의 일 실시예에 따른 프레스 가공 장치에서 하부 이동블록을 도시한 사시도이다.Figure 6 is a perspective view of the lower moving block in the press working apparatus according to an embodiment of the present invention.
이하, 첨부된 도면들을 참조하여 본 발명에 따른 프레스 가공 장치의 일 실시예를 설명한다. 프레스 가공 장치를 설명하는 과정에서 도면에 도시된 선들의 두께나 구성요소의 크기 등은 설명의 명료성과 편의상 과장되게 도시되어 있을 수 있다. 또한, 후술되는 용어들은 본 발명에서의 기능을 고려하여 정의된 용어들로서 이는 사용자, 운용자의 의도 또는 관례에 따라 달라질 수 있다. 그러므로 이러한 용어들에 대한 정의는 본 명세서 전반에 걸친 내용을 토대로 내려져야 할 것이다.Hereinafter, with reference to the accompanying drawings will be described an embodiment of a press working apparatus according to the present invention. In the process of describing the press working apparatus, the thickness of the lines or the size of the components shown in the drawings may be exaggerated for clarity and convenience of description. In addition, terms to be described below are terms defined in consideration of functions in the present invention, which may vary according to the intention or convention of a user or an operator. Therefore, the definitions of these terms should be made based on the contents throughout the specification.
도 1은 본 발명의 일 실시예에 따른 프레스 가공 장치를 도시한 정면도이고, 도 2는 본 발명의 일 실시예에 따른 프레스 가공 장치에서 상부 금형과 상부 이동블록을 도시한 평면도이고, 도 3은 본 발명의 일 실시예에 따른 프레스 가공 장치에서 상부 이동블록을 도시한 정면도이고, 도 4는 본 발명의 일 실시예에 따른 프레스 가공 장치에서 상부 이동블록을 도시한 사시도이다.1 is a front view showing a press working apparatus according to an embodiment of the present invention, Figure 2 is a plan view showing an upper mold and an upper moving block in the press working apparatus according to an embodiment of the present invention, Figure 3 4 is a front view illustrating an upper moving block in a press working apparatus according to an embodiment of the present invention, and FIG. 4 is a perspective view illustrating an upper moving block in a press working apparatus according to an embodiment of the present invention.
도 1 내지 도 4를 참조하면, 본 발명의 일 실시예에 따른 프레스 가공 장치는 하부 금형(120), 상부 금형(160), 상부 이동블록(170) 및 오토 클램프(180)를 포함한다.1 to 4, the press working apparatus according to an embodiment of the present invention includes a lower mold 120, an upper mold 160, an upper moving block 170, and an auto clamp 180.
하부 금형(120)은 볼스터(110)의 상부에 탑재된다. 볼스터(110)는 프레스 가공 장치의 하측에 배치된다.The lower mold 120 is mounted on the upper portion of the bolster 110. The bolster 110 is disposed below the press working apparatus.
상부 금형(160)은 하부 금형(120)에 대향되게 배치되고, 상부 슬라이더부(150)에 의해 상하로 이동된다. 상부 슬라이더부(150)는 상하로 배치되는 승강 가이드(미도시)를 따라 이동된다. 승강 가이드는 프레스 가공 장치의 본체에 상하방향으로 나란하게 배치된다.The upper mold 160 is disposed to face the lower mold 120 and is moved up and down by the upper slider part 150. The upper slider unit 150 is moved along a lifting guide (not shown) disposed up and down. The lifting guides are arranged side by side in the vertical direction on the main body of the press working apparatus.
상부 이동블록(170)은 상부 금형(160)의 양측에 이동 가능하게 설치된다. 이때, 상부 이동블록(170)은 상부 금형(160)의 양측 각각 하나 이상 설치된다. 상부 이동블록(170)이 상부 금형(160)의 양측에 이동 가능하게 설치되므로, 상부 금형(160)에 상부 슬라이더부(150)에 조립 및 세팅될 때에 상부 금형(160)의 사양이나 사이즈가 맞게 상부 이동블록(170)의 위치를 다양하게 변경할 수 있다. 따라서, 상부 이동블록(170)이 슈트(미도시)에 간섭되거나 걸리는 것을 방지할 수 있다.The upper movable block 170 is installed to be movable on both sides of the upper mold 160. In this case, one or more upper moving blocks 170 are installed on both sides of the upper mold 160. Since the upper movable block 170 is installed to be movable on both sides of the upper mold 160, when the assembly and set the upper slider 160 to the upper mold 160, the specification or size of the upper mold 160 to match The position of the upper moving block 170 may be variously changed. Thus, the upper movable block 170 can be prevented from interfering with or caught in the chute (not shown).
상부 금형(160)이 사양에 따라 설치되는 예들을 설명하기로 한다. 상부 금형(160)이 600ton 사양으로 형성되는 경우, 상부 이동블록(170)은 상부 금형(160)의 좌우방향 중심부에서 480cm 또는 520cm의 위치에 이동된다. 또한, 상부 금형(160)이 800ton 사양으로 형성되는 경우, 상부 이동블록(170)은 상부 금형(160)의 좌우방향 중심부에서 520cm 또는 600cm의 위치에 이동된다. 또한, 상부 금형(160)이 1000ton 사양으로 형성되는 경우, 상부 이동블록(170)은 상부 금형(160)의 좌우방향 중심부에서 640cm 또는 700cm의 위치에 이동된다. 이처럼 상부 금형(160)의 사양에 따라 상부 이동블록(170)을 적절한 위치로 이동시킬 수 있다.Examples in which the upper mold 160 is installed according to specifications will be described. When the upper mold 160 is formed in a 600ton specification, the upper movable block 170 is moved at a position of 480cm or 520cm at the center of the left and right directions of the upper mold 160. In addition, when the upper mold 160 is formed in the 800ton specification, the upper movable block 170 is moved to a position of 520cm or 600cm in the left and right center of the upper mold 160. In addition, when the upper mold 160 is formed in a 1000ton specification, the upper movable block 170 is moved to a position of 640cm or 700cm in the left and right center of the upper mold 160. As such, the upper movable block 170 may be moved to an appropriate position according to the specification of the upper mold 160.
오토 클램프(180)는 상부 이동블록(170)에 결합되고, 상부 금형(160)을 유압에 의해 상부 슬라이더부(150)에 고정시킨다. 오토 클램프(180)는 유압호스(184)에 의해 유압장치(미도시)에 연결되고, 오토 클램프(180)가 상부 슬라이더부(150) 내부의 유압 고정부(미도시)에 연결된다. 오토 클램프(180)는 유압호스(184)에 연결되는 클램프 바디(181)와, 클램프 바디(181)에서 관형으로 연장되는 결합관부(182)를 포함한다. The auto clamp 180 is coupled to the upper moving block 170 and fixes the upper mold 160 to the upper slider portion 150 by hydraulic pressure. The auto clamp 180 is connected to the hydraulic device (not shown) by the hydraulic hose 184, the auto clamp 180 is connected to the hydraulic fixing part (not shown) inside the upper slider portion 150. The auto clamp 180 includes a clamp body 181 connected to the hydraulic hose 184, and a coupling pipe portion 182 extending tubularly from the clamp body 181.
유압장치에서 오토 클램프(180)에 유압(흡입압력)을 발생시킴에 따라 오토 클램프(180)가 상부 슬라이더부(150)에 구속된다. 상부 이동블록(170)이 슈트에 간섭 내지 걸리는 위치를 회피하여 설치되므로, 오토 클램프(180) 역시 슈트에 간섭 내지 걸리는 위치를 회피할 수 있다.As the hydraulic device generates hydraulic pressure (suction pressure) in the auto clamp 180, the auto clamp 180 is constrained to the upper slider part 150. Since the upper movable block 170 is installed to avoid the position where it interferes with the chute, the auto clamp 180 may also avoid the position where it interferes with the chute.
상부 이동블록(170)은 상부 금형(160)의 양측에 각각 설치된다. 따라서, 상부 금형(160) 양측의 상부 이동블록(170)에 오토 클램프(180)가 결합됨에 따라 상부 금형(160)이 상부 슬라이더부(150)에 구속된다.The upper movable block 170 is installed on both sides of the upper mold 160, respectively. Therefore, as the auto clamp 180 is coupled to the upper movable block 170 on both sides of the upper mold 160, the upper mold 160 is constrained to the upper slider part 150.
상부 금형(160)의 양측에는 상부 금형(160)의 길이방향을 따라 상부 가이드홈부(161)가 형성된다. 상부 이동블록(170)은 상부 가이드홈부(161)에 이동 가능하게 결합되는 상부 걸림부(171)와, 상부 걸림부(171)에서 연장되고, 오토 클램프(180)가 결합되도록 상부 고정홈부(174)가 형성되는 상부 헤드부(173)를 포함한다. Upper guide grooves 161 are formed on both sides of the upper mold 160 along the longitudinal direction of the upper mold 160. The upper moving block 170 extends from the upper locking portion 171 that is movably coupled to the upper guide groove 161, the upper locking portion 171, and the upper fixing groove 174 so that the auto clamp 180 is coupled thereto. ) Is an upper head portion 173 is formed.
이때, 상부 가이드홈부(161)의 길이방향에 수직한 단면이 "Ｌ" 형태로 형성되는 경우, 상부 걸림부(171)가 상부 가이드홈부(161)에서 빠지지 않도록 "Ｌ" 형태로 형성된다. 또한, 상부 가이드홈부(161)의 길이방향에 수직한 단면이 "Ｔ" 형태로 형성되는 경우, 상부 걸림부(171)가 상부 가이드홈부(161)에서 빠지지 않도록 "Ｔ" 형태로 형성된다. 이러한 상부 걸림부(171)는 상부 가이드홈부(161)의 형태에 따라 다양하게 형성될 수 있다.At this time, when the cross section perpendicular to the longitudinal direction of the upper guide groove 161 is formed in the "L" shape, the upper locking portion 171 is formed in the "L" shape so as not to fall out of the upper guide groove 161. In addition, when the cross section perpendicular to the longitudinal direction of the upper guide groove 161 is formed in the "T" shape, the upper locking portion 171 is formed in the "T" shape so as not to fall out of the upper guide groove 161. The upper locking portion 171 may be formed in various ways according to the shape of the upper guide groove 161.
상부 고정홈부(174)는 일측이 개방되는 "U" 형태로 형성된다. 상부 고정홈부(174)가 일측이 개방되게 형성되므로, 오토 클램프(180)의 결합관부(182)가 상부 고정홈부(174)의 개방된 부분을 통해 상부 고정홈부(174)의 내부에 결합될 수 있다. 따라서, 오토 클램프(180)가 상부 이동블록(170)에 용이하게 고정될 수 있다. 또한, 상부 고정홈부(174)의 일측이 개방되더라도 오토 클램프(180)의 결합관부(182)가 상부 슬라이더부(150)에 삽입 고정되면, 오토 클램프(180)가 상부 고정홈부(174)에서 빠지지 않으므로, 상부 금형(160)이 상부 슬라이더부(150)에 안정되게 고정될 수 있다.The upper fixing groove 174 is formed in a "U" shape that one side is open. Since the upper fixing groove 174 is formed to be open at one side, the coupling pipe 182 of the auto clamp 180 may be coupled to the inside of the upper fixing groove 174 through the open portion of the upper fixing groove 174. have. Thus, the auto clamp 180 can be easily fixed to the upper moving block 170. In addition, even when one side of the upper fixing groove 174 is opened, when the coupling pipe 182 of the auto clamp 180 is inserted into and fixed to the upper slider 150, the auto clamp 180 does not fall out of the upper fixing groove 174. Therefore, the upper mold 160 may be stably fixed to the upper slider portion 150.
상부 금형(160)의 양측에는 상부 금형(160)의 길이방향을 따라 복수의 상부 위치고정홀부(163)가 배열된다. 상부 헤드부(173)에는 상부 위치고정홀부(163)에 대응되도록 하나 이상의 상부 삽입홀부(175)가 형성된다. 상부 이동블록(170)의 위치를 고정하도록 상부 위치고정홀부(163)와 상부 삽입홀부(175)에 상부 고정핀부(176)가 삽입된다. 따라서, 상부 이동블록(170)이 일정한 위치에 이동된 후 상부 위치고정홀부(163)와 상부 삽입홀부(175)를 대응시킨 후 상부 고정핀부(176)를 삽입할 수 있다.On both sides of the upper mold 160, a plurality of upper position fixing holes 163 are arranged along the longitudinal direction of the upper mold 160. One or more upper insertion hole portions 175 are formed in the upper head portion 173 so as to correspond to the upper position fixing hole portion 163. The upper fixing pin 176 is inserted into the upper position fixing hole 163 and the upper insertion hole 175 to fix the position of the upper moving block 170. Therefore, after the upper moving block 170 is moved to a predetermined position, the upper fixing pin 176 and the upper fixing pin 176 may be inserted after the upper position fixing hole 163 corresponds to the upper fixing pin 176.
도 5는 본 발명의 일 실시예에 따른 프레스 가공 장치에서 하부 이동블록을 도시한 정면도이고, 도 6은 본 발명의 일 실시예에 따른 프레스 가공 장치에서 하부 이동블록을 도시한 사시도이다.Figure 5 is a front view showing a lower moving block in the press working apparatus according to an embodiment of the present invention, Figure 6 is a perspective view showing a lower moving block in the press working apparatus according to an embodiment of the present invention.
도 5 및 도 6을 참조하면, 하부 금형(120)의 양측에는 이동 가능하도록 하부 이동블록(130)이 설치되고, 하부 이동블록(130)은 하부 고정볼트(140)에 의해 볼스터(110)에 고정된다. 하부 이동블록(130)이 하부 금형(120)의 양측에 이동 가능하게 설치되므로, 하부 볼스터(110)에 하부 금형(120)이 조립 및 세팅될 때에 하부 금형(120)의 사양이나 사이즈가 맞게 하부 이동블록(130)의 위치를 다양하게 변경할 수 있다. 따라서, 하부 이동블록(130)이 슈트(미도시)에 간섭되거나 걸리는 것을 방지할 수 있다. 또한, 하부 금형(120)의 사양이나 사이즈에 따라 하부 이동블록(130)의 위치가 변경되도록 하부 금형(120)을 다시 설계할 필요가 없다.5 and 6, the lower movable block 130 is installed on both sides of the lower mold 120 to be movable, and the lower movable block 130 is connected to the bolster 110 by the lower fixing bolt 140. It is fixed. Since the lower movable block 130 is installed to be movable on both sides of the lower mold 120, when the lower mold 120 is assembled and set on the lower bolster 110, the lower mold 120 may have a lower specification or size to fit. The position of the moving block 130 may be variously changed. Therefore, the lower movable block 130 may be prevented from interfering with or caught in a chute (not shown). In addition, it is not necessary to redesign the lower mold 120 so that the position of the lower moving block 130 is changed according to the specification or size of the lower mold 120.
하부 금형(120)이 사양에 따라 설시되는 예를 설명하면 다음과 같다. 하부 금형(120)이 600ton 사양으로 형성되는 경우, 하부 이동블록(130)은 하부 금형(120)의 좌우방향 중심부에서 480cm 또는 520cm의 위치에 이동된다. 또한, 하부 금형(120)이 800ton 사양으로 형성되는 경우, 하부 이동블록(130)은 하부 금형(120)의 좌우방향 중심부에서 520cm 또는 600cm의 위치에 이동된다. 또한, 하부 금형(120)이 1000ton 사양으로 형성되는 경우, 하부 이동블록(130)은 하부 금형(120)의 좌우방향 중심부에서 640cm 또는 700cm의 위치에 이동된다. 이처럼 하부 금형(120)의 사양에 따라 하부 이동블록(130)을 적절한 위치로 이동시킬 수 있다.An example in which the lower mold 120 is installed according to the specification will be described below. When the lower mold 120 is formed in a 600 ton specification, the lower movable block 130 is moved at a position of 480 cm or 520 cm at the center of the left and right directions of the lower mold 120. In addition, when the lower mold 120 is formed in the 800ton specification, the lower movable block 130 is moved to a position of 520cm or 600cm in the left and right center of the lower mold 120. In addition, when the lower mold 120 is formed in a 1000ton specification, the lower movable block 130 is moved to a position of 640cm or 700cm in the left and right center of the lower mold 120. As such, the lower moving block 130 may be moved to an appropriate position according to the specification of the lower mold 120.
하부 금형(120)의 양측에는 하부 금형(120)의 길이방향을 따라 하부 가이드홈부(121)가 형성된다. 하부 이동블록(130)은 하부 가이드홈부(121)에 이동 가능하게 결합되는 하부 걸림부(131)와, 하부 걸림부(131)에서 연장되고, 하부 고정볼트(140)가 결합되도록 하부 고정홈부(134)가 형성되는 하부 헤드부(133)를 포함한다. Lower guide grooves 121 are formed on both sides of the lower mold 120 along the length direction of the lower mold 120. The lower movable block 130 has a lower locking portion 131 which is movably coupled to the lower guide groove 121, extends from the lower locking portion 131, and has a lower fixing groove portion (2) to which the lower fixing bolt 140 is coupled. 134 includes a lower head portion 133 is formed.
이때, 하부 가이드홈부(121)의 길이방향에 수직한 단면이 "Ｌ" 형태로 형성되는 경우, 하부 걸림부(131)가 하부 가이드홈부(121)에서 빠지지 않도록 "Ｌ" 형태로 형성된다. 또한, 하부 가이드홈부(121)와 하부 걸림부(131)의 단면이 "Ｔ" 형태로 형성될 수 있다. 이러한 하부 걸림부(131)는 하부 가이드홈부(121)의 형태에 따라 다양하게 형성될 수 있다.At this time, when the cross section perpendicular to the longitudinal direction of the lower guide groove 121 is formed in the "L" shape, the lower locking portion 131 is formed in the "L" shape so as not to fall out of the lower guide groove 121. In addition, the cross-section of the lower guide groove 121 and the lower locking portion 131 may be formed in a "T" shape. The lower locking portion 131 may be formed in various ways according to the shape of the lower guide groove 121.
하부 고정홈부(134)는 일측이 개방되는 "U" 형태로 형성된다. 하부 고정홈부(134)가 일측이 개방되게 형성되므로, 하부 고정볼트(140)가 하부 고정홈부(134)의 개방된 부분을 통해 하부 고정홈부(134)의 내부에 결합될 수 있다. 또한, 하부 고정홈부(134)의 일측이 개방되더라도 하부 고정볼트(140)가 하부 고정홈부(134)에 삽입 고정되면, 하부 고정볼트(140)가 하부 고정홈부(134)에서 빠지지 않으므로, 하부 금형(120)이 볼스터(110)에 안정되게 고정될 수 있다.The lower fixing groove 134 is formed in a “U” shape in which one side is opened. Since the lower fixing groove 134 is formed to be open at one side, the lower fixing bolt 140 may be coupled to the inside of the lower fixing groove 134 through an open portion of the lower fixing groove 134. In addition, even if one side of the lower fixing groove 134 is opened, if the lower fixing bolt 140 is inserted into the lower fixing groove 134 and fixed, the lower fixing bolt 140 does not fall out of the lower fixing groove 134, the lower mold 120 may be stably fixed to the bolster (110).
하부 금형(120)의 양측에는 하부 금형(120)의 길이방향을 따라 복수의 하부 위치고정홀부(123)가 배열된다. 하부 헤드부(133)에는 하부 위치고정홀부(123)에 대응되도록 하나 이상의 하부 삽입홀부(135)가 형성된다. 하부 이동블록(130)의 위치를 고정하도록 하부 위치고정홀부(123)와 하부 삽입홀부(135)에 하부 고정핀부(136)가 삽입된다. 따라서, 하부 이동블록(130)이 일정한 위치에 이동된 후 하부 위치고정홀부(123)와 하부 삽입홀부(135)를 대응시킨 후 하부 고정핀부(136)를 삽입할 수 있다.On both sides of the lower mold 120, a plurality of lower position fixing holes 123 is arranged along the longitudinal direction of the lower mold 120. At least one lower insertion hole 135 is formed at the lower head 133 to correspond to the lower position fixing hole 123. The lower fixing pin 136 is inserted into the lower position fixing hole 123 and the lower insertion hole 135 to fix the position of the lower moving block 130. Therefore, after the lower moving block 130 is moved to a predetermined position, the lower fixing pin 136 may be inserted after the lower position fixing hole 123 and the lower insertion hole 135 correspond to each other.
본 발명은 도면에 도시된 실시예를 참고로 하여 설명되었으나, 이는 예시적인 것에 불과하며, 당해 기술이 속하는 분야에서 통상의 지식을 가진 자라면 이로부터 다양한 변형 및 균등한 타 실시예가 가능하다는 점을 이해할 것이다.Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and those skilled in the art to which the art belongs can make various modifications and other equivalent embodiments therefrom. I will understand.
따라서, 본 발명의 진정한 기술적 보호범위는 청구범위에 의해서 정하여져야 할 것이다.Therefore, the true technical protection scope of the present invention will be defined by the claims.
본 발명은 상부 금형이 상부 슬라이더부에 조립 및 세팅될 때에 상부 금형의 사양이나 사이즈가 맞게 상부 이동블록의 위치를 다양하게 변경할 수 있으므로 산업상 이용가능성이 있다.Industrial Applicability The present invention has industrial applicability since the position of the upper movable block can be variously changed to suit the specifications or the size of the upper mold when the upper mold is assembled and set to the upper slider.

Claims (7)

  1. 볼스터에 탑재되는 하부 금형;A lower mold mounted to the bolster;
    상기 하부 금형에 대향되게 배치되고, 상부 슬라이더부에 의해 상하로 이동되는 상부 금형;An upper mold disposed to face the lower mold and moved up and down by an upper slider;
    상기 상부 금형의 양측에 이동 가능하게 설치되는 상부 이동블록; 및An upper moving block movably installed at both sides of the upper mold; And
    상기 상부 이동블록에 결합되고, 상기 상부 금형을 유압에 의해 상기 상부 슬라이더부에 고정시키는 오토 클램프를 포함하는 것을 특징으로 하는 프레스 가공 장치.And an auto clamp coupled to the upper moving block to fix the upper mold to the upper slider by hydraulic pressure.
  2. 제1 항에 있어서,According to claim 1,
    상기 상부 이동블록은 상기 상부 금형의 양측에 각각 설치되는 것을 특징으로 하는 프레스 가공 장치.The upper moving block is press working apparatus, characterized in that installed on each side of the upper mold.
  3. 제2 항에 있어서,The method of claim 2,
    상기 상부 금형의 양측에는 상기 상부 금형의 길이방향을 따라 상부 가이드홈부가 형성되고,Upper guide grooves are formed on both sides of the upper mold along the longitudinal direction of the upper mold,
    상기 상부 이동블록은,The upper moving block,
    상기 상부 가이드홈부에 이동 가능하게 결합되는 상부 걸림부; 및An upper locking portion movably coupled to the upper guide groove; And
    상기 상부 걸림부에서 연장되고, 상기 오토 클램프가 결합되도록 상부 고정홈부가 형성되는 상부 헤드부를 포함하는 것을 특징으로 하는 프레스 가공 장치.And an upper head portion extending from the upper locking portion and having an upper fixing groove portion formed to engage the auto clamp.
  4. 제3 항에 있어서,The method of claim 3, wherein
    상기 상부 고정홈부는 일측이 개방되는 "U" 형태로 형성되는 것을 특징으로 하는 프레스 가공 장치.The upper fixing groove portion is a press working apparatus, characterized in that formed in a "U" shape that one side is open.
  5. 제3 항에 있어서,The method of claim 3, wherein
    상기 상부 금형의 양측에는 상기 상부 금형의 길이방향을 따라 복수의 상부 위치고정홀부가 배열되고,On both sides of the upper mold is arranged a plurality of upper position fixing holes along the longitudinal direction of the upper mold,
    상기 상부 헤드부에는 상기 상부 위치고정홀부에 대응되도록 하나 이상의 상부 삽입홀부가 형성되며,The upper head portion is formed with at least one upper insertion hole to correspond to the upper position fixing hole,
    상기 상부 이동블록의 위치를 고정하도록 상기 상부 위치고정홀부와 상기 상부 삽입홀부에 상부 고정핀부가 삽입되는 것을 특징으로 하는 프레스 가공 장치.Press fixing device is characterized in that the upper fixing pin portion is inserted into the upper position fixing hole and the upper insertion hole to fix the position of the upper moving block.
  6. 제1 항에 있어서,According to claim 1,
    상기 하부 금형의 양측에는 이동 가능하도록 하부 이동블록이 설치되고,Lower moving blocks are installed on both sides of the lower mold to be movable,
    상기 하부 이동블록은 하부 고정볼트에 의해 상기 볼스터에 고정되는 것을 특징으로 하는 프레스 가공 장치.The lower moving block is a press working device, characterized in that fixed to the bolster by a lower fixing bolt.
  7. 제6 항에 있어서,The method of claim 6,
    상기 하부 금형의 양측에는 상기 하부 금형의 길이방향을 따라 하부 가이드홈부가 형성되고,Lower guide grooves are formed on both sides of the lower mold along the longitudinal direction of the lower mold,
    상기 하부 이동블록은,The lower moving block,
    상기 하부 가이드홈부에 이동 가능하게 결합되는 하부 걸림부; 및A lower locking part movably coupled to the lower guide groove; And
    상기 하부 걸림부에서 연장되고, 상기 하부 고정볼트가 결합되도록 하부 고정홈부가 형성되는 하부 헤드부를 포함하는 것을 특징으로 하는 프레스 가공 장치.And a lower head portion extending from the lower locking portion and having a lower fixing groove formed to couple the lower fixing bolt.
PCT/KR2017/004397 2017-04-24 2017-04-26 Pressing apparatus WO2018199349A1 (en)

Applications Claiming Priority (2)

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KR10-2017-0052575 2017-04-24
KR1020170052575A KR101918046B1 (en) 2017-04-24 2017-04-24 Press apparatus

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0243700Y2 (en) * 1985-08-26 1990-11-20
JP2000197934A (en) * 1998-12-28 2000-07-18 Ricoh Co Ltd Die unit and method for press working
WO2009072279A1 (en) * 2007-12-05 2009-06-11 Pascal Engineering Corporation Clamp moving device
CN105729871A (en) * 2014-12-08 2016-07-06 青岛牧城门业集团有限公司 Die holder for door
CN205553334U (en) * 2016-04-29 2016-09-07 南通锻压设备股份有限公司 Foldable retooling support of freedom

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0243700Y2 (en) * 1985-08-26 1990-11-20
JP2000197934A (en) * 1998-12-28 2000-07-18 Ricoh Co Ltd Die unit and method for press working
WO2009072279A1 (en) * 2007-12-05 2009-06-11 Pascal Engineering Corporation Clamp moving device
CN105729871A (en) * 2014-12-08 2016-07-06 青岛牧城门业集团有限公司 Die holder for door
CN205553334U (en) * 2016-04-29 2016-09-07 南通锻压设备股份有限公司 Foldable retooling support of freedom

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