WO2018151337A1 - 프레스 금형용 스트리핑 장치 - Google Patents

프레스 금형용 스트리핑 장치 Download PDF

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Publication number
WO2018151337A1
WO2018151337A1 PCT/KR2017/001583 KR2017001583W WO2018151337A1 WO 2018151337 A1 WO2018151337 A1 WO 2018151337A1 KR 2017001583 W KR2017001583 W KR 2017001583W WO 2018151337 A1 WO2018151337 A1 WO 2018151337A1
Authority
WO
WIPO (PCT)
Prior art keywords
punch
elastic member
housing
pressing member
press
Prior art date
Application number
PCT/KR2017/001583
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
이윤선
Original Assignee
이윤선
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 이윤선 filed Critical 이윤선
Priority to EP17896382.3A priority Critical patent/EP3584019B1/en
Priority to PCT/KR2017/001583 priority patent/WO2018151337A1/ko
Priority to CN201780076569.8A priority patent/CN110087794B/zh
Priority to JP2019532741A priority patent/JP6792121B2/ja
Publication of WO2018151337A1 publication Critical patent/WO2018151337A1/ko

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Classifications

    • 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
    • B21D45/006—Stripping-off devices
    • 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/06—Stripping-off devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/32—Discharging presses

Definitions

  • the present invention relates to a stripping apparatus for a press die, and more particularly, in a punching operation using a punch in a press die, a structure of a stripping apparatus that separates the punch and the panel and prevents the panel from coming up during the retreat movement of the punch after the punching.
  • the invention is invented to improve the productivity and efficiency of the work.
  • the cam unit for the mold is mounted on the press mold to change the working direction of the vertical reciprocating motion so that the angular motion is possible.
  • the cam slider 3 is mounted, a spring groove 6 into which the return spring 5 can be inserted is formed in the cam slider 3, and a cam driver 7 is installed below.
  • the above-mentioned conventional cam unit is configured to return the punch, which has completed the punching operation, to the panel product in the opposite direction only by the return elasticity of the return spring.
  • the frictional resistance between the punch and the panel is large, which causes problems in return movement, and thus, high speed punching is impossible or the cam slider or punch is broken.
  • the cam slider should be moved forward at the moment of the first contact with the cam driver.
  • the elastic force of the return spring does not move forward smoothly, so that the impact force is increased. Even when the driver moves forward, the vertical surface pressure between the contact surfaces is increased, thereby accelerating the wear progress of the contact surfaces, thereby shortening the life of the cam device.
  • the present invention allows the punch and the panel to be easily separated after the punching operation, and also pressurizes the panel even when the punch holder and the punch are fixedly mounted on the front of the cam slider. Its purpose is to be able to replace the pressing member.
  • Another object of the present invention is to adjust the stacking structure and the number of the disk spring according to the type of the panel while ensuring the safety of the stacking structure by applying the disk spring, the cam slider smoothly the return movement and the efficiency of the punch operation To improve.
  • Still another object of the present invention is to be able to directly attach to the existing punch holder, to facilitate the mounting and disassembly of the pressing member accommodated therein, thereby increasing the assembling process and ease of use, and It is to perform the replacement quickly to increase the efficiency of production.
  • a punch holder 10 including a punch 16 is mounted in front of the upper die or cam slider 3 for a press die, and an elastic member 50 and a pressing member 70 are disposed on the front of the punch holder 10.
  • the pressing member 70 is in contact with a punching object and configured to be compressed and restored with a resilient elastic force;
  • the stripping device 100 The stripping device 100,
  • the pressing member moving part 31 and the elastic member accommodating part 35 are continuously formed from one side to the other side on the cylindrical inner diameter surface, and the supporting part 39 having the fixing hole 39a is protruded from the outer diameter surface of the other side.
  • the moving plate 40 is inserted into the elastic member accommodating part 35 in the other direction of the housing 30 and is caught by the stepped portion with the pressing member moving part 31, and a hole through which the punch 16 passes in the center is formed. ;
  • a hole is formed in the center through which the punch 16 passes and is inserted into the elastic member accommodating part 35 so that the movable plate 40 is compressed while moving along the elastic member accommodating part 35.
  • the punch 16 has a hole in the center thereof and is fitted to the inner diameter surface of the elastic member accommodating portion 35 opened at the other side of the housing 30. Then, the other end of the housing 30 is press-fitted and assembled.
  • the guide part 71 which is inserted into the pressing member moving part 31 so as to be slidably moved in one direction of the housing 30 and is in contact with the moving plate 40 is provided on the other side, and has a smaller diameter than the guide part 71.
  • a pressing member 70 formed continuously with the lead portion 72 protruding on one side, and having a pin through-hole 73 in a longitudinal direction in which the punch 16 moves in the center thereof;
  • Retaining ring 80 to be detachably fitted in the ring fitting groove 32 formed at one end of the inner diameter surface of the pressing member moving part 31 to control the movement of the guide portion 71 of the pressing member 70 in one direction. ).
  • the fixed plate inserting groove 36 is formed to be stepped on the other end of the elastic member accommodating portion 35 to press-fit the fixed plate 60, and the outer diameter surface of the fixed plate 60 is inserted into the elastic member accommodating portion 35. It is formed with an inclined surface 61 having a smaller diameter on the other side than the one side, and binds the fixing plate 60 to the other end of the housing 30 by press molding, or the fixing plate 60 in the other end direction of the elastic member accommodating part 35. 60 is press-fitted, and the fixing plate fitting groove 37 of the yaw shape is formed on the inner surface of the other end of the elastic member accommodating portion 35, and the fixing plate fitting groove 37 is formed on the outer diameter surface of the fixing plate 60. It is achieved by forming a fixing plate fitting protrusion 62 of iron shape corresponding to the above), and forcing the fixing plate 60 into the elastic member accommodating portion 35 to bind to each other.
  • the anti-rotation surface 33 protrudes from the pressing member moving part 31 of the housing 30, and the guide part 71 of the pressing member 70 slides along the inner surface of the pressing member moving part 31.
  • the rotating engaging surface 71a corresponding to the anti-rotation surface 33 is molded to constitute a slide movement while preventing rotation of the pressing member 70.
  • the panel is accompanied with a punch while smoothly returning the high tensile panel and the thickened panel and the cam slider and punch punched in recent years. It can be prevented from going up, preventing product malfunction and malfunction.
  • the disk spring is applied to the elastic member in a laminated structure to realize a higher tensile force than the conventional coil spring method, and the disk spring is secured according to the type of panel while securing the safety of the laminated structure against the disk spring by the press-fit assembly structure of the fixed plate.
  • the stacking structure and the number of the adjustable can be effective to improve the punching efficiency of the mold.
  • Figure 2 is a state after the operation of the cam unit for a conventional mold.
  • FIG 3 is an exploded perspective view of the present inventors stripping device.
  • Figure 4 is a cross-sectional view of the cam unit for a mold to which the present inventors stripping device is applied.
  • FIG. 5 is a cross-sectional view showing an operating state of the present invention stripping device.
  • Figure 6 is a cross-sectional view showing an embodiment of the present invention stripping device.
  • Figure 7 is a cross-sectional view showing another embodiment of the present invention stripping apparatus.
  • the stripping device for a press die improves the productivity of the work by improving the structure of the stripping device that prevents the panel from coming up by separating the punch and the panel during the retreat movement of the punch after the punching in the punching operation using the punch in the press die. It is invented to improve efficiency.
  • the stripping apparatus 100 described in the present invention is mounted to the punch holder 10 including the punch 16 in front of the cam slider 3 for the press die, and has an elastic member inside the housing 30. 50 and the pressing member 70 is pushed to the rear while the pressing member 70 is in contact with the panel (P) during the punching operation, the elastic member 50 is compressed with a resilient elastic force, and complete the punching operation When the cam slider 3 is retracted, the pressing member 70 is pushed forward by the restoring elastic force of the elastic member 50 so that the panel P in contact with the pressing member 70 comes up along the punch 16. It has a structure to prevent that.
  • the stripping device 100 of the present invention first inserting the moving plate 40 and the elastic member 50 and the fixing plate 60 in the cylindrical housing 30 in order, and then the fixing plate 60 is The tip of the housing 30 in the inserted position is press-molded to bind with each other.
  • the housing 30 has a pressing member moving part 31 and an elastic member accommodating part 35 formed on a cylindrical inner diameter surface continuously from one upper direction to the other lower direction in the drawing.
  • the outer diameter surface of the other side is provided with a supporting portion 39 provided with a fixing hole 39a, and is coupled to the front surface of the cam slider 3 by fastening a fixing bolt.
  • the pressing member moving part 31 of the housing 30 is connected to have a smaller size than the elastic member accommodating part 35 so that the connection part has a stepped surface, thereby being inserted into the elastic member accommodating part 35.
  • the plate 40 is caught by the stepped surface and movement is interrupted.
  • the movable plate 40 has the same outer shape as the elastic member accommodating portion 35 and a hole through which the punch 16 passes is formed in the center thereof, and the elastic member accommodating portion 35 is formed in the other direction of the housing 30. While being inserted into and supported on the stepped surface connected to the pressing member moving part 31.
  • the elastic member 50 has the same outer shape as the elastic member accommodating portion 35, while applying a disc-shaped disk spring formed with a hole through which the punch 16 passes in the center, and the disk springs are laminated to each other. It is preferable to insert it.
  • the disc spring of the tip in contact with the movable plate 40 is also supported by the rim of the movable plate 40 as shown in FIG. To stably support the moving plate 40 that slides along.
  • the fixing plate 60 is formed to have an outer diameter larger than the inner diameter of the elastic member accommodating portion 35 and includes a hole through which the punch 16 passes in the center thereof, and thus the inner diameter of the elastic member accommodating portion 35.
  • the other end of the housing 30 is press-fitted and integrally coupled to the housing while being inserted into the surface.
  • the hole (unsigned) formed in the center of the moving plate 40, the elastic member 50, the fixed plate 60 is a hole that simply passes without interfering with the movement of the punch 16, the description thereof will be omitted. do.
  • the fixing plate inserting groove 36 is formed to be stepped on the other end of the elastic member accommodating part 35 to be fixed to the fixing plate ( 60 is inserted and mounted, and the outer diameter surface of the fixing plate 60 is molded to have an inclined surface 61 having a smaller diameter on the other side than one side inserted into the elastic member accommodating portion 35.
  • a fixing plate having a yaw shape is formed on the inner end surface of the other end of the elastic member accommodating part 35.
  • the fitting groove 37 is formed, and the fixing plate fitting protrusion 62 of the iron shape corresponding to the fixing plate fitting groove 37 is formed on the outer diameter surface of the fixing plate 60 so that the fixing plate 60 is elastic. It is also included in the present invention to forcibly interlock and fix the inside of the member accommodation portion 35.
  • the elastic member accommodating part 35 is first processed so that the front end is opened to the outside based on the fixing plate fitting groove 37, and then the fixing plate 60 is inserted into the fixing plate fitting protrusion 37 in the fixing plate fitting groove 37 It is preferable to restrain 62 integrally by positioning 62 and inserting one side of the housing 30 into an uneven coupling.
  • the fixing plate fitting groove 37 and the fixing plate fitting protrusion 62 may be formed in various shapes such as a “U” or “V” shape, and a moving plate inserted into the elastic member accommodating part 35 of the housing 30. It is important to press-fit the fixed plate 60 to the housing 30 in a state where the 40 and the elastic member 50 are housed, thereby integrally constructing the separated moving plate 40 and the elastic member 50. Do.
  • the movable plate 40 and the elastic member 50 are inserted into the elastic member accommodating part 35 of the housing 30 to communicate with the elastic member accommodating part 35 while being supported by the fixing plate 60. Inserting the pressing member 70 to be slidably moved along the pressing member moving portion 31, and then the fixing member 80 is attached to the tip of the pressing member moving portion 31 to separate the pressing member 70 prevent.
  • the pressing member 70 is formed in the longitudinal pin through hole 73 in which the punch 16 moves to the center, and is inserted in the pressing member moving part 31 in one direction of the housing 30 so as to be slidable.
  • the guide portion 71 in contact with the movable plate 40 and the lead portion 72 having a diameter smaller than that of the guide portion 71 are integrally formed.
  • the lead portion 72 is formed more than the pressing member moving portion 31. It is formed to protrude further outward.
  • the pressing member 70 is removed.
  • the fixing ring 80 having an inner diameter smaller than the outer diameter of the guide portion 71 Removably inserted into the ring fitting groove 32 allows the guide portion 71 of the pressing member 70 to be caught by the fixing ring 80 to be separated in one direction.
  • the anti-rotation surface 33 protrudes from the pressing member moving part 31 of the housing 30, and the guide part 71 of the pressing member 70 slides along the inner surface of the pressing member moving part 31.
  • the rotating engaging surface 71a corresponding to the anti-rotation surface 33 is molded, and only the slide movement is possible in the state in which the pressing member 70 is inserted.
  • the outer surface of the housing 30 having the pressing member moving part 31 is further formed by forming a tool insertion groove 34 in communication with the ring fitting groove 32, through the tool insertion groove 34 Insert the tool to lift the retaining ring (80) mounted in the ring fitting groove (32) to be easily separated.
  • the fixed ring 80 is formed with a circular diameter in the present invention
  • a general snap ring 81 as shown in Figure 6, in this case a rectangular ring to match the shape of the snap ring 81
  • the fitting groove 32 is molded.
  • the support portion 39 of the housing 30 in the punch holder 10 provided with a punch 16 Is supported and fastened to the punch holder 10 through the fixing holes 39a to be coupled to each other.
  • the punch 16 is located in the pin through hole 73 of the pressing member 70 through the fixing plate 60, the elastic member 50, the moving plate 40 of the housing 30, punching
  • the lead portion 72 of the pressing member 70 contacts the panel P first.
  • the punch holder 10 is moved further forward, the withdrawal portion 72 of the pressing member 70 is pressed by the panel P to move rearward, and the pressing member 70 moves the moving plate 40.
  • the elastic member 50 is compressed with a restoring elastic force, and the punch 16 located inside the pin through hole 73 is exposed to the outside and performs a punching operation on the panel P.
  • the punch holder 10 and the housing 30 coupled to the cam slider 3 are retracted and moved to the initial state, and the elastic member 50 in the compressed state is pressed against the pressing member 70. Will be pushed forward.
  • the pressing member 70 pushes forward the panel P according to the friction with the punch 16 when the cam slider 3 is moved backward after the punching operation, so that the panel can be stably separated. have.
  • the pressing member 70 in contact with the panel as described above, in order to prevent damage to the panel to form the lead portion 72 with a soft metal material in comparison with the panel, when the punching operation is performed for a long time (72) is worn and must be replaced with a new pressing member (70).
  • the cam slider 3 is first moved backward so that the lead portion 72 of the pressing member 70 is exposed to the front of the housing 30, and then the ring fitting groove 32 is formed by using a separate tool. Separate the fixing ring (80) mounted on the.
  • the guide part 71 of the pressing member 70 slides forward along the pressing member moving part 31 to be separated from the housing 30, and presses the guide part 71 of the new pressing member 70. Inserted along the member moving part 31 and then fitted with a fixing ring 80 in the ring fitting groove 32, the replacement operation is simply completed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
PCT/KR2017/001583 2017-02-14 2017-02-14 프레스 금형용 스트리핑 장치 WO2018151337A1 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17896382.3A EP3584019B1 (en) 2017-02-14 2017-02-14 Stripping device for press mold
PCT/KR2017/001583 WO2018151337A1 (ko) 2017-02-14 2017-02-14 프레스 금형용 스트리핑 장치
CN201780076569.8A CN110087794B (zh) 2017-02-14 2017-02-14 用于冲压模具的剥离装置
JP2019532741A JP6792121B2 (ja) 2017-02-14 2017-02-14 プレス金型用ストリッピング装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/001583 WO2018151337A1 (ko) 2017-02-14 2017-02-14 프레스 금형용 스트리핑 장치

Publications (1)

Publication Number Publication Date
WO2018151337A1 true WO2018151337A1 (ko) 2018-08-23

Family

ID=63169892

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/001583 WO2018151337A1 (ko) 2017-02-14 2017-02-14 프레스 금형용 스트리핑 장치

Country Status (4)

Country Link
EP (1) EP3584019B1 (ja)
JP (1) JP6792121B2 (ja)
CN (1) CN110087794B (ja)
WO (1) WO2018151337A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109454167A (zh) * 2018-12-25 2019-03-12 桂林电子科技大学 一种离合器整体式波形片单步成型模具
CN111745036A (zh) * 2020-06-30 2020-10-09 天津职业技术师范大学(中国职业培训指导教师进修中心) 一种汽车覆盖件修边模具
CN112275916A (zh) * 2020-09-22 2021-01-29 阜阳市鼎铭汽车配件制造有限公司 一种用于汽车配件冲压的模具安装机构
CN114273493A (zh) * 2021-12-21 2022-04-05 安徽共青机电装备制造有限公司 一种密封垫片加工用成型机
CN114535444A (zh) * 2022-02-28 2022-05-27 禧阅航空技术(上海)有限公司 一种冲压圆柱形筒体自动退料装置
CN114734598A (zh) * 2022-04-19 2022-07-12 王忠孝 一种能快速组装的汽车零部件模具
CN115555456A (zh) * 2022-09-21 2023-01-03 宁海县锐新模具有限公司 一种扣点限位机构

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CN112974607B (zh) * 2021-02-23 2024-04-02 六安市道山网业有限公司 一种渔网网坠器生产加工装置
CN114211569B (zh) * 2021-12-15 2023-10-24 英科医疗科技股份有限公司 一种带有铁氟龙涂层的刀模

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JP2005111525A (ja) * 2003-10-08 2005-04-28 Amada Co Ltd パンチプレスにおけるパンチ金型とダイ金型との芯出し方法およびパンチ金型、ダイ金型
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JP2003266135A (ja) * 2002-03-13 2003-09-24 Amada Co Ltd 上型装置及びパンチガイド、パンチ
JP2005111525A (ja) * 2003-10-08 2005-04-28 Amada Co Ltd パンチプレスにおけるパンチ金型とダイ金型との芯出し方法およびパンチ金型、ダイ金型
KR20080098502A (ko) * 2006-02-24 2008-11-10 가부시키가이샤 아마다 스트리퍼 플레이트 장착 장치
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109454167A (zh) * 2018-12-25 2019-03-12 桂林电子科技大学 一种离合器整体式波形片单步成型模具
CN109454167B (zh) * 2018-12-25 2024-02-27 桂林电子科技大学 一种离合器整体式波形片单步成型模具
CN111745036A (zh) * 2020-06-30 2020-10-09 天津职业技术师范大学(中国职业培训指导教师进修中心) 一种汽车覆盖件修边模具
CN112275916A (zh) * 2020-09-22 2021-01-29 阜阳市鼎铭汽车配件制造有限公司 一种用于汽车配件冲压的模具安装机构
CN112275916B (zh) * 2020-09-22 2024-03-15 江西江铃汽车集团上饶实业有限公司 一种用于汽车配件冲压的模具安装机构
CN114273493A (zh) * 2021-12-21 2022-04-05 安徽共青机电装备制造有限公司 一种密封垫片加工用成型机
CN114273493B (zh) * 2021-12-21 2023-11-28 安徽共青机电装备制造股份有限公司 一种密封垫片加工用成型机
CN114535444A (zh) * 2022-02-28 2022-05-27 禧阅航空技术(上海)有限公司 一种冲压圆柱形筒体自动退料装置
CN114734598A (zh) * 2022-04-19 2022-07-12 王忠孝 一种能快速组装的汽车零部件模具
CN114734598B (zh) * 2022-04-19 2023-12-22 合肥汇凌汽车零部件有限公司 一种能快速组装的汽车零部件模具
CN115555456A (zh) * 2022-09-21 2023-01-03 宁海县锐新模具有限公司 一种扣点限位机构

Also Published As

Publication number Publication date
EP3584019A1 (en) 2019-12-25
JP2020501909A (ja) 2020-01-23
EP3584019A4 (en) 2020-10-07
CN110087794A (zh) 2019-08-02
JP6792121B2 (ja) 2020-11-25
EP3584019B1 (en) 2022-06-29
CN110087794B (zh) 2021-02-26

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