WO2018159884A1 - Unité de came de matrice pourvue d'un dispositif de rappel auxiliaire - Google Patents

Unité de came de matrice pourvue d'un dispositif de rappel auxiliaire Download PDF

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Publication number
WO2018159884A1
WO2018159884A1 PCT/KR2017/002311 KR2017002311W WO2018159884A1 WO 2018159884 A1 WO2018159884 A1 WO 2018159884A1 KR 2017002311 W KR2017002311 W KR 2017002311W WO 2018159884 A1 WO2018159884 A1 WO 2018159884A1
Authority
WO
WIPO (PCT)
Prior art keywords
cam
return device
auxiliary return
cam slider
slider
Prior art date
Application number
PCT/KR2017/002311
Other languages
English (en)
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 PCT/KR2017/002311 priority Critical patent/WO2018159884A1/fr
Priority to EP17866374.6A priority patent/EP3590621A4/fr
Publication of WO2018159884A1 publication Critical patent/WO2018159884A1/fr

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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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/32—Perforating, i.e. punching holes in other articles of special shape
    • B21D28/325—Perforating, i.e. punching holes in other articles of special shape using cam or wedge mechanisms, e.g. aerial cams
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B1/00—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen
    • B30B1/40—Presses, using a press ram, characterised by the features of the drive therefor, pressure being transmitted directly, or through simple thrust or tension members only, to the press ram or platen by wedge means

Definitions

  • the present invention relates to a cam unit for a mold having an auxiliary return device, and more particularly, further comprising an auxiliary return device on the cam slider and the cam driver, so that the return movement of the cam slider can be performed smoothly, thereby improving work efficiency. It is invented to be.
  • the cam unit for a mold is mounted on a press mold to change the working direction of the vertical reciprocating motion so that the angular motion is possible.
  • the cam unit 1 slides forward and backward on the bottom surface of the box-shaped cam base 1.
  • the cam slider 3 is mounted, the cam slider 3 is provided with a spring groove 6 into which the return spring 5 can be inserted, and the cam driver 7 is installed at the lower portion thereof.
  • the above-described 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 resistance between the punching pin and the panel increases, which causes the return movement of the cam slider to stop.
  • the elasticity of the return spring for returning and moving the cam slider is used, but it is difficult to install and fix the spring with high elasticity, and there is a closed end that causes a safety accident while being separated during use.
  • the present invention can also be used in high-tensile steel sheet, etc., and aims to smoothly return movement by minimizing friction when the cam slider is moved.
  • Another object of the present invention is to facilitate the installation and disassembly of the cam driver, and to easily replace the spring in proportion to the pressing force of the slider, thereby increasing the assembling process and ease of use.
  • a cam base 20 having a slide portion formed in an installation space provided below the box-shaped body
  • a cam slider (30) positioned in the space portion of the cam base (20) and having a return spring (32) therein for reciprocating along the slide portion;
  • a cam driver 40 having a slide plate 41 mounted on an upper surface thereof to guide the lower slide groove 31 of the cam slider 30 so that the cam slider 30 can be moved;
  • a pressing member 50 having a pressing surface 51 bent downward is formed on the bottom surface of the cam slider 30, and the cam slider () is formed on a side surface of the cam driver 40 facing the pressing surface 51.
  • the auxiliary return device 60 which is compressed with a restoring elastic force while being in contact with the pressing surface 51 in accordance with the forward movement of 30 is further configured.
  • a position fixing groove 33 is formed at the bottom of the cam slider 30, and a position fixing protrusion 52 is provided at one surface of the pressing member 50 in close contact with the bottom of the cam slider 30.
  • An installation hole 42 is formed at the side of the cam driver 40 so that the auxiliary return device 60 is inserted and installed, and a separation preventing piece 43 is provided on the outer wall to prevent the auxiliary return device 60 from being separated. It is fixedly installed.
  • the auxiliary return device 60 the through hole 61a is formed on one side, the other side is the housing 61 is open, and the pressing surface (located in the through hole 61a of the housing 61) ( 62a) is formed at one side, the pressing member 62 for guiding movement along the inner space of the housing 61, the cover 63 for closing the other side of the housing 61, and the pressing member 62 And an elastic member 64 positioned between the cover 63 and the cover 63.
  • auxiliary return device in the cam unit for the mold, it is possible to smoothly return the cam slider and the punching pin punched to the panel with increased thickness, such as a high tensile strength steel sheet has recently increased tensile strength products It is possible to prevent malfunction and malfunction.
  • the internal elastic member of the auxiliary return device is replaceable, and by using it in response to various products such as high tensile steel sheet, there is an effect of increasing the satisfaction with the product.
  • Figure 2 is a state after the operation of the cam unit for a conventional mold.
  • Figure 3 is an exploded perspective view of the cam unit for a mold having a secondary return device of the present invention.
  • auxiliary return device 4 is a cross-sectional view of the auxiliary return device that is a configuration of the present invention.
  • Figure 5 is an enlarged perspective view of the coupling portion of the auxiliary return device of the configuration of the present invention.
  • FIG. 6 is a state in which the cam slider and the cam driver according to the present invention are separated.
  • FIG. 7 is a state diagram showing a movement process of the cam slider according to the present invention.
  • FIG. 9 is a state diagram showing the return movement of the cam slider according to the present invention.
  • the mold cam unit provided with the auxiliary return device of the present invention is further provided with an auxiliary return device on the cam slider and the cam driver, so that the return movement of the cam slider can be performed smoothly, thereby improving the work efficiency.
  • 3 to 5 is an exploded perspective view of the cam unit for a mold according to the present invention, the cam base 20 and the cam base 20 having a slide portion formed in the installation space provided in the lower box-shaped body, and is located in the space portion of the cam base 20
  • a return spring 32 is provided therein to guide the cam slider 30 reciprocating along the slide portion and the lower slide groove 31 of the cam slider 30 so that the cam slider 30 can be moved. It consists of the cam driver 40 with which the slide plate 41 was mounted in the surface, and performs the punching operation
  • the return spring 32 is elastic while the slide groove 31 of the bottom of the cam slider 30 is guided along the slide plate 41 of the upper surface of the cam driver 40. And compressed, the cam slider 30 is configured to punch out the panel mounted on the jig 14 while the punching pin 16 is advanced, and then separated in the reverse order of the above operation sequence.
  • the present invention further comprises an auxiliary return device 60 so that the punched cam slider 30 can smoothly return movement even with the resistance between the punching pin 16 and the panel.
  • the pressing member 50 which forms the pressing surface 51 bent downward by the bottom surface 30 is provided.
  • auxiliary return device 60 which is compressed on the side of the cam driver 40 with the restoring elastic force while facing the pressing surface 51 and in contact with the pressing surface 51 as the cam slider 30 moves forward. It is configured to include more.
  • a position fixing groove 33 is further formed on the bottom of the cam slider 30, and a position fixing protrusion 52 is further provided on one surface of the pressing member 50 in close contact with the bottom of the cam slider 30.
  • the shape of the position fixing protrusion 52 and the position fixing groove 33 is also included in the present invention to form a trapezoidal shape fastening in a pre-assembled state to be inserted from the side.
  • the auxiliary return device 60 mounted on the cam driver 40 has a pipe shape as shown in FIG. 4, one side is bent, and a through hole 61a is formed at the center thereof, and the other side is an open housing.
  • 61 and a pressing member 62 which is formed on one side and is provided with a pressing surface 62a which is located in the passage hole 61a of the housing 61 and slides and guides along the inner space of the housing 61.
  • a cover 63 for closing the other side of the housing 61 and an elastic member 64 positioned between the pressing member 62 and the cover 63.
  • the auxiliary return device 60 includes a pressing member 62 and an elastic member 64 including a pressing surface 62a formed inside the housing 61 and a release preventing jaw 62b, and then a cover 63. It is configured by shielding, by pushing the pressing member 62 to the left in the drawing by the elasticity of the elastic member 64 to the left in the drawing while passing through the through hole (61a) to the outside of the housing 61, The separation prevention jaw 62b is caught on the inner wall of the housing 61 to prevent separation of the pressing member 62.
  • the coupling structure of the housing 61 and the cover 63 is bound in a known configuration such as a screw thread or a clip, and the cover 63 is easily detached from the housing 61 and the inner pressing member 62. ) And the elastic member 64 may be easily replaced.
  • the elastic member 64 is also included in the present invention so that the disk spring can be added according to the punching resistance strength of the panel by using the disk springs in a laminated or abutting arrangement.
  • the auxiliary return device 60 configured as described above is inserted into the installation hole 42 formed on the side of the cam driver 40, the detachment of the auxiliary return device 60 on the outer wall surface of the cam driver 40. Separation prevention piece 43 to prevent the installation is fixed.
  • the separation preventing piece 43 has a plate shape and both side screw members (unsigned) are fastened and fixed to the side of the cam driver 40, and the housing 61 of the auxiliary return device 60 is caught on the center surface thereof. The return device 60 is prevented from being separated.
  • FIG. 6 to 8 show the operation sequence of the cam unit for a mold according to the present invention, the panel before the punching operation is mounted on the jig 14 in the state before the operation of the press, as shown in FIG. Replacement work is done.
  • the pressing surface 51 of the pressing member 50 mounted below the cam slider 30 is in contact with the pressing surface 62a of the auxiliary return device 60 protruding from the side of the cam driver 40,
  • the inner elastic member 64 is compressed while the pressing member 62 moves in the same direction as the cam slider 30 moves.
  • the cam slider 30 moves forward to the right side in the drawing while punching the panel with the punching pin 16 provided on the front side of the jig 14 being completed.
  • the cam slider 30 including the punching pin 16 moves back to the left side in the drawing.

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

Abstract

La présente invention concerne une unité de came de matrice pourvue d'un dispositif de rappel auxiliaire et, plus particulièrement, une unité de came de matrice dans laquelle un dispositif de rappel auxiliaire est en outre inclus dans une glissière de came et un dispositif d'entraînement de came pour faciliter un mouvement de retour régulier de la glissière de came et l'efficacité de fonctionnement peut ainsi être améliorée. La présente invention est configurée de façon à comprendre : une base de came (20) dans laquelle une partie coulissante est formée dans un espace d'installation disposé dans une partie inférieure d'un corps en forme de boîte ; une glissière de came (30) positionnée dans la partie d'espace de la base de came (20), et comportant un ressort de rappel (32) dans celle-ci de façon à aller et venir le long de la partie coulissante ; et un dispositif d'entraînement de came (40) comportant une plaque coulissante (41) montée sur une surface supérieure de celui-ci de sorte que la glissière de came (30) puisse être déplacée par guidage d'une rainure de coulissement inférieure (31) de la glissière de came (30), un élément de pression (50) comportant une surface de pression courbée vers le bas (51) étant installé sur la surface inférieure de la glissière de came (30), et un dispositif de rappel auxiliaire (60) étant en outre inclus sur une surface latérale du dispositif d'entraînement de came (40) faisant face à la surface de pression (51), le dispositif de rappel auxiliaire (60) venant en contact avec la surface de pression (51) lorsque la glissière de came (30) se déplace vers l'avant, et devenant ainsi comprimé de façon à avoir une force de rappel élastique. En outre, une rainure de fixation de position (33) est formée dans la surface inférieure de la glissière de came (30), une saillie de fixation de position (52) est disposée sur une surface de l'élément de pression (50) adhérant à la surface inférieure de la glissière de came (30), un trou d'installation (42) est formé dans la surface latérale du dispositif d'entraînement de came (40) et le dispositif de rappel auxiliaire (60) est inséré à l'intérieur de celui-ci, et une pièce de prévention de séparation (43), qui empêche le dispositif de retour auxiliaire (60) d'être séparé, est installée de façon fixe sur une surface de paroi externe. En outre, le dispositif de rappel auxiliaire (60) est obtenu en comprenant : un boîtier (61) ayant un trou traversant (61a) formé dans une surface latérale de celui-ci, le boîtier (61) étant ouvert sur l'autre surface latérale de celui-ci ; un élément de poussée (62) ayant, sur un côté de celui-ci, une surface de poussée (62a) positionnée dans le trou traversant (61a) du boîtier (61), l'élément de poussée (62) étant guidé et déplacé le long de l'espace interne du boîtier (61) ; un couvercle (63) pour fermer l'autre surface latérale du boîtier (61) ; et un élément élastique (64) positionné entre l'élément de poussée (62) et le couvercle (63).
PCT/KR2017/002311 2017-03-03 2017-03-03 Unité de came de matrice pourvue d'un dispositif de rappel auxiliaire WO2018159884A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/KR2017/002311 WO2018159884A1 (fr) 2017-03-03 2017-03-03 Unité de came de matrice pourvue d'un dispositif de rappel auxiliaire
EP17866374.6A EP3590621A4 (fr) 2017-03-03 2017-03-03 Unité de came de matrice pourvue d'un dispositif de rappel auxiliaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/002311 WO2018159884A1 (fr) 2017-03-03 2017-03-03 Unité de came de matrice pourvue d'un dispositif de rappel auxiliaire

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WO2018159884A1 true WO2018159884A1 (fr) 2018-09-07

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WO (1) WO2018159884A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109465330A (zh) * 2018-12-04 2019-03-15 北京汽车股份有限公司 冲压模具的侧冲孔机构
CN115709244A (zh) * 2022-11-09 2023-02-24 珠海信城智能制造有限公司 一种具有自动脱模功能的层级分离式成型模具

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000326023A (ja) * 1999-05-20 2000-11-28 Sankyo Oilless Industry Inc カムユニット
KR20020016103A (ko) * 2000-08-24 2002-03-04 이계안 자동차용 버클의 높이조절장치
JP2004237320A (ja) * 2003-02-06 2004-08-26 Sankyo Oilless Industry Inc カムスライダの戻し機構
JP2009082970A (ja) * 2007-10-02 2009-04-23 Sankyo Oilless Industry Inc カム装置
JP2012071312A (ja) * 2010-09-27 2012-04-12 Suzuki Motor Corp カム装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000326023A (ja) * 1999-05-20 2000-11-28 Sankyo Oilless Industry Inc カムユニット
KR20020016103A (ko) * 2000-08-24 2002-03-04 이계안 자동차용 버클의 높이조절장치
JP2004237320A (ja) * 2003-02-06 2004-08-26 Sankyo Oilless Industry Inc カムスライダの戻し機構
JP2009082970A (ja) * 2007-10-02 2009-04-23 Sankyo Oilless Industry Inc カム装置
JP2012071312A (ja) * 2010-09-27 2012-04-12 Suzuki Motor Corp カム装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3590621A4 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109465330A (zh) * 2018-12-04 2019-03-15 北京汽车股份有限公司 冲压模具的侧冲孔机构
CN115709244A (zh) * 2022-11-09 2023-02-24 珠海信城智能制造有限公司 一种具有自动脱模功能的层级分离式成型模具
CN115709244B (zh) * 2022-11-09 2023-06-09 珠海信城智能制造有限公司 一种具有自动脱模功能的层级分离式成型模具

Also Published As

Publication number Publication date
EP3590621A1 (fr) 2020-01-08
EP3590621A4 (fr) 2020-11-04

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