WO2020090872A1 - 板材の加工を行う加工装置、及び加工方法 - Google Patents

板材の加工を行う加工装置、及び加工方法 Download PDF

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Publication number
WO2020090872A1
WO2020090872A1 PCT/JP2019/042528 JP2019042528W WO2020090872A1 WO 2020090872 A1 WO2020090872 A1 WO 2020090872A1 JP 2019042528 W JP2019042528 W JP 2019042528W WO 2020090872 A1 WO2020090872 A1 WO 2020090872A1
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Prior art keywords
plate material
punch
punching
blade body
plate
Prior art date
Application number
PCT/JP2019/042528
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English (en)
French (fr)
Japanese (ja)
Inventor
竹内　忍
Original Assignee
竹内　忍
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 竹内　忍 filed Critical 竹内　忍
Priority to CN201980026990.7A priority Critical patent/CN112004620B/zh
Priority to JP2020513671A priority patent/JP6749036B1/ja
Publication of WO2020090872A1 publication Critical patent/WO2020090872A1/ja

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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
    • B21D28/00—Shaping by press-cutting; Perforating
    • 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
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/10—Incompletely punching in such a manner that the parts are still coherent with the work
    • 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
    • B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
    • B21D28/16—Shoulder or burr prevention, e.g. fine-blanking
    • 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
    • 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

Definitions

  • the present invention relates to a processing apparatus and a processing method for processing a plate material such as a metal plate, and more particularly to a processing apparatus and a processing method capable of double-sided punching of a metal plate and cutting of the plate material.
  • the processing of metal parts used in precision equipment is performed using processing equipment including press equipment and dies. Further, in recent years, high precision is required for processing metal parts used in precision equipment. For example, in a metal terminal for a connector used in a mobile terminal or the like, miniaturization of the connector and its terminal is required due to a demand for miniaturization of the mobile terminal. When the work, which is the object to be machined, is miniaturized in this way, the machining apparatus is required to have extremely high machining accuracy.
  • Patent Document 1 The press device described in Patent Document 1 is a press device having high processing accuracy even if it is a so-called C-type press device having a relatively simple structure.
  • a thick portion of the punched metal plate has a sag portion caused by a punch and a die of the processing device and a metal structure. There is a broken fracture surface. Further, burrs may be generated at break points including the plate thickness surface depending on various conditions such as clearance between punches and dies.
  • shirring As a processing device for cutting plate materials, there is a device called shirring.
  • This shirring is a device that cuts a plate material by sandwiching it with an upper blade and a lower blade, and these blades are provided with an angle called a shear angle.
  • the plate material is cut like scissors by sandwiching the plate material between the upper blade and the lower blade with the angle.
  • the present invention provides a processing apparatus and a processing method capable of minimizing the fracture surface in the plate thickness surface of a punched or cut plate material and preventing the occurrence of burrs.
  • the purpose is to provide.
  • the plate material processing apparatus of the present invention is a processing apparatus for punching a plate material, which has a punched punch hole, and a pair of dies capable of sandwiching the plate material from the front and back sides, and freely reciprocating in the punch hole.
  • a pair of punches capable of pressing the plate material from the front and back, an extrusion punch provided separately from the pair of punches, the die, the drive device for driving the punch and the extrusion punch
  • the driving device holds the plate material at an initial position by the die, presses the plate material with one punch against the die, and 20% to 70% from the initial position in the forward direction of the plate thickness direction of the plate material.
  • the punched portion is formed by moving the punched portion by another amount, and the punched portion is pressed by the other punch to move the punched portion from the initial position in the direction opposite to the thickness direction of the plate material by 20 to 70%.
  • the above-mentioned part It moved from the period position, characterized in that punching out the punching recessed portions from the plate by the extrusion punch.
  • one punch presses the plate material and moves it from the initial position in the forward direction in the plate thickness direction of the plate material by 20 to 70% to form the punched portion, so that the plate material is punched. It is possible to cause sagging on the other side of the part that becomes the part. Further, by pressing the punching portion with the other punch and moving it from the initial position in the direction opposite to the plate thickness direction by 20 to 70%, sagging can be caused on one side of the punching portion. .. Further, the punching portion can be removed from the plate material by an extrusion punch that is separate from the pair of punches. When the punching portion is pressed by the other punch, one punch is freed from the driving device to prevent the punches from interfering with each other, or one punch may be returned in the opposite direction by the driving device. Good.
  • the punching portion and the punching portion are made by setting the rising amount of one punch to 20 to 70% of the thickness of the plate material and the falling amount of the other punch to 20 to 70% of the thickness of the plate material. It is possible to minimize the occurrence of a fracture surface on the side surface of the punched hole after the punching. In addition, burrs can be prevented by causing sagging on the front and back of the punched portion and the punched hole.
  • the processing device in the present invention may be a device such as a punch press, or a die device using punches and dies as die parts.
  • the punching section may be returned to the initial position by the one punch before the punching by the extrusion punch.
  • the plate material can be moved while the punching portion is held by the plate material.
  • the extrusion punch is provided so as to be movable back and forth in a second punch hole provided in one of the pair of dies, and the second punch hole is provided in the other of the pair of dies.
  • a punching opening that is larger than the punching portion may be formed so as to face each other.
  • the extrusion punch is provided to be movable back and forth in a second punch hole provided in one of a pair of second dies provided separately from the pair of dies, and the other of the second dies is provided with the above-mentioned
  • a punching opening that is larger than the punching portion may be formed to face the second punch hole.
  • the extrusion punch, the second punch hole, and the punching opening may be provided in the pair of dies, or may be provided in the pair of second dies different from the pair of dies.
  • the processing method for punching a plate material of the present invention has a punched punch hole, a pair of dies capable of sandwiching the plate material from the front and back sides, and freely retractable in the punch hole.
  • a pair of punches that can be pressed from the front and back
  • an extrusion punch provided separately from the pair of punches, the die, the punch, and a processing device including a drive device that drives the extrusion punch, and
  • the driving device drives the die to clamp the plate material at an initial position, and one punch against the die presses the plate material to move 20 to 70 in the forward direction in the plate thickness direction of the plate material from the initial position.
  • the punch is pressed by the other punch to move the punched portion from the initial position in the direction opposite to the plate thickness direction of the plate material by 20 to 70%, and the plate material and the First punching part Moved from a position wherein the punching out the punching recessed portions from the plate by the extrusion punch.
  • a processing device for cutting a plate material is provided with a pair of first blade bodies capable of sandwiching the plate material from the front and back sides, and the first blade body and a planned cutting line sandwiched between the plate material.
  • a pair of second blade bodies that can be sandwiched between the first blade body and the second blade body, and a drive device that drives the first blade body and the second blade body, the drive device including the plate material with the first blade body and the second blade body.
  • the first blade and the second blade are clamped by the blade at the initial position, and the first blade and the second blade are moved from the initial position in the forward direction in the plate thickness direction of the plate material by 20 to 70%, and then the first blade is moved. It is characterized in that the body and the second blade body are moved by 20 to 70% from the initial position in a direction opposite to the plate thickness direction to cut the plate material.
  • the processing apparatus for cutting a plate material of the present invention when the plate material is cut, the first blade body and the second blade body are moved in the forward and reverse directions by 20 to 70% of the plate thickness to cut the plate material. As a result, since the edges of the cut plate material are sagged on both the front and back surfaces, burrs are prevented from occurring. Further, the fracture surface on the plate thickness surface of the punched plate material can be minimized.
  • a processing method for cutting a plate material is provided with a pair of first blade bodies capable of sandwiching the plate material from the front and back sides, and the first blade body and a planned cutting line sandwiched between the plate material.
  • a pair of second blade bodies that can be sandwiched between the first blade body and the second blade body, and a drive device that drives the first blade body and the second blade body are used, and the drive device drives the first blade body and the second blade body.
  • the second blade body is driven to clamp the plate material at the initial position, and the first blade body and the second blade body are moved from the initial position in the forward direction in the plate thickness direction of the plate material by 20 to 70%. Then, the first blade body and the second blade body are moved from the initial position in the direction opposite to the plate thickness direction by 20 to 70% to cut the plate material.
  • the present invention it is possible to provide a processing device and a processing method capable of minimizing the fracture surface of the punched or cut plate material in the plate thickness surface and preventing the occurrence of burrs.
  • (A) And (B) is explanatory drawing which shows the holding process in the processing method by the processing apparatus which is embodiment of this invention.
  • (A) And (B) is explanatory drawing which shows the 1st part cutting process among the processing methods of this embodiment.
  • or (C) are explanatory drawings which show the 2nd partial cutting process among the processing methods of this embodiment.
  • (A) And (B) is explanatory drawing which shows a pushing back process among the processing methods of this embodiment.
  • (C) are explanatory drawings which show an extrusion process among the processing methods of this embodiment.
  • the processing apparatus 1 has an upper punch 2 and an upper die 3 arranged above a metal plate 20 which is a plate material to be processed, and arranged below the metal plate 20.
  • the lower punch 5 and the lower die 6 are provided.
  • the upper punch 2 and the lower punch 5 are a pair of punches in the present invention, and the upper die 3 and the lower die 6 correspond to a pair of dies in the present invention.
  • these punches and dies are a part of the die unit 1A including a drive unit such as a motor.
  • the mold apparatus 1A includes an upper mold 3a and an upper push pin 2b, and a lower mold 6a and a lower push pin 5b (all are indicated by a chain line).
  • the mold device 1A such as the upper mold 3a is omitted from FIG.
  • the upper die 3 is provided with an upper punch hole 4 for guiding the upper punch 2, and the upper punch 2 is held in the upper punch hole 4 so as to be able to move back and forth.
  • the lower die 6 is provided with a lower punch hole 7 for guiding the lower punch 5, and the lower punch 5 is held in the lower punch hole 7 so as to be able to move back and forth.
  • the upper punch 2 and the lower punch 5 are formed such that the contact surfaces 2a and 5a that contact the metal plate have the same shape.
  • the shapes of the contact surfaces 2a and 5a are determined according to the shape of the product (punching part) formed by the processing apparatus 1 of this embodiment. For example, in the case of the terminal 30 of the inter-board connector as shown in FIG. 6, a punch for extracting the outer shape of the terminal 30 and a planar shape for the punching hole 22 provided inside the terminal 30 are formed.
  • the upper die 3, the upper punch 2, and the lower punch 5 are driven in the vertical direction by a driving device provided in the mold device 1A. Specifically, the upper die 3 is vertically moved by a driving device via the upper die 3a, the upper punch 2 is pressed in the forward direction (from top to bottom) by the upper push pin 2b, and the punch 5 is pushed downward. It is pressed in the opposite direction (from bottom to top) by the pin 5b. In this embodiment, the movement from top to bottom is the forward direction, and the movement from bottom to top is the reverse direction.
  • the lower die 6 is fixed to a press device (not shown) via the lower die 6a.
  • a synchronization means such as a timing belt.
  • the driving device for example, the configuration described in the publication of Patent Document 1 by the inventor of the present application can be adopted.
  • the clearance between the upper punch 2 and the upper punch hole 4 is 3.0 ⁇ m regardless of the thickness of the metal plate 20.
  • the clearance between the lower punch 5 and the lower punch hole 7 has the same value.
  • the clearance between the punch and the punch hole is said to be around 5% of the plate thickness of the metal plate 20 to be processed.
  • the clearance in the present application indicates a one-side clearance unless otherwise specified.
  • the processing method of the present embodiment includes a holding step of holding the metal plate 20 with the upper die 3 and the lower die 6, and partial punching from the lower side of the metal plate 20 to a part of its thickness using the lower punch 5. And a second partial punching step of punching the metal plate 20 from the upper side using the upper punch 2, and a punching section 21 punched from the metal plate 20 using the lower punch 5.
  • a push-back step of pushing back to the punching hole 22 and an extrusion step of pushing out the punching portion 21 from the punching hole 22 of the metal plate 20 are provided.
  • a metal plate is conveyed between the upper die 3 and the lower die 6 by a conveying device (not shown), and then, as shown in FIG. 3 is pushed down, and the metal plate 20 is sandwiched between the upper die 3 and the lower die 6 with a predetermined pressure.
  • the position of the metal plate 20 in this state is the initial position.
  • the metal plate 20 is accurately conveyed by each step by a conveying device (not shown) at a constant pitch.
  • the lower punch 5 is raised by 20 to 70% of the thickness of the metal plate 20, and the lower punch 5 is pushed into the metal plate 20.
  • the punching portion 21 is formed by.
  • the upper punch 2 is held at the upper position so as not to come into contact with the surface of the punching portion 21 that is raised due to the rise of the lower punch 5.
  • the lower punch 5 is moved downward, and the first partial punching process is completed.
  • the upper punch 2 is moved downward as shown in FIG. 3 (A), and 20 to 70% of the thickness of the metal plate 20 is fed as shown in FIG. 3 (B). It is lowered and the punching part 21 is pushed into the metal plate 20 by the upper punch 2. At this time, the lower punch 5 is moved to a position lower than the lower surface of the punching part 21 lowered by the lowering of the upper punch 2.
  • the upper punch 2 is pulled up to complete the second partial punching process.
  • the punching section 21 is in a state of being fitted in the punching hole 22, and is in a state of being held by the metal plate 20 without dropping from the punching hole 22.
  • the lower punch 5 is pushed upward as shown in FIG. 4 (A).
  • the lower punch 5 is pushed up to a position (initial position) where the punching part 21 enters the punching hole 22 and is held in the punching hole 22.
  • the lower side of the punching section 21 may be aligned with the height of the upper surface of the lower die 6, and the upper side of the punching section 21 may be aligned with the height of the lower surface of the upper die 3.
  • the metal plate 20 with the punching part 21 fitted in the punching hole 22 is moved to a predetermined position of the extrusion device 8 for the extrusion process.
  • the extrusion device 8 includes an extrusion upper die 9, an extrusion punch 10, and an extrusion lower die 12.
  • the extrusion upper die 9 and the extrusion lower die 12 correspond to the pair of second dies in the present invention.
  • the extrusion die 9 is provided with an extrusion punch hole 11 (second punch hole) that guides the extrusion punch 10 in the vertical direction.
  • the extrusion die 12 is provided with a punching opening 13 penetrating and opening in the vertical direction.
  • the extrusion punch 10 is formed such that the area of the contact surface 10 a is smaller than the area of the surface of the punched portion 21.
  • the punching opening 13 provided in the extrusion die 12 is formed larger than the surface area of the punching portion 21.
  • the extrusion device 8 is provided on the downstream side of the processing device 1 described above, and is formed separately from the processing device 1.
  • the metal plate 20 in which the punching portion 21 is fitted in the punching hole 22 after the push-back step is placed in the predetermined extrusion device 8 for the extrusion step on the downstream side.
  • the extrusion upper die 9 is lowered, and the extrusion upper die 9 and the extrusion lower die 12 hold the metal plate 20 at a predetermined position.
  • the extrusion punch 10 is lowered, and the extrusion punch 10 pushes the punching portion 21 fitted in the punching hole 22 toward the punching opening 13. After that, the extrusion punch 10 is returned upward, and the extrusion upper die 9 is raised to release the holding of the metal plate 20.
  • FIG. 6 (A) is a photograph of the connector terminal 30 formed of the metal plate 20 as seen from the front side
  • FIG. 6 (B) is a photograph as seen from the back side.
  • the side surface 31 of the terminal 30 shown in FIGS. 6A and 6B is not processed in the above process, and a side surface punch and an unillustrated side surface processing punch from the front surface side of FIG.
  • the cross section is the result of punching in one direction with a side surface processing die.
  • the upper edge portion of the front surface side of the punching hole 22 becomes a surface sag 22 a processed by the second punching process of the upper punch 2.
  • the upper edge portion on the surface side of the side surface 31 of the terminal 30 is a surface sag 31B punched by a side surface processing punch.
  • the lower edge portion of the back surface side of the punching hole 22 is a surface sag 22b processed by the first partial punching process of the lower punch 5.
  • the lower edge portion on the back surface side of the side surface 31 of the terminal 30 is a surface on the side surface processing die punched by the side surface processing punch, and has a fracture surface.
  • the upper edge portion on the front surface side and the lower edge portion on the rear surface side are both surface sags 22a and 22b.
  • the inner peripheral surface of the punched hole 22 has no fracture surface, and the portion between the surface sags 22a and 22b is a cut surface 22c.
  • the processing apparatus 1 and the processing method of the present embodiment are used for processing the terminal 30 for a connector, by inserting the mating terminal into the punching hole 22, the contact surface with the mating terminal is broken. Since the cross section is not generated, the connection state of the connector can be improved.
  • the processing apparatus 1 and the processing method of this embodiment the occurrence of burrs at the processing location is suppressed.
  • the processing apparatus 1 and the processing method of the present embodiment are used for processing a lead frame used for a semiconductor, for example, it is possible to provide a highly reliable lead frame without burrs.
  • the lower punch 5 is raised in the first partial punching process, and the upper punch 2 is lowered in the second partial punching process.
  • the upper punch 2 is raised in the first partial punching process.
  • the punch 2 may be lowered and the lower punch 5 may be raised in the second partial punching step.
  • the lower punch 5 is lowered so as not to hit the metal plate 20, and the upper punch 2 is lowered so that the punching portion 21 generated in the second partial punching step is returned to the punching hole 22. Good.
  • the upper die 3 is moved up and down by the driving device and the lower die 6 is fixed to the press device.
  • the present invention is not limited to this, and the upper die 3 is fixed to the press device and the lower die 6 is fixed. May be moved up and down by a driving device.
  • the lower punch 5 is raised by 20 to 70% of the plate pressure of the metal plate 20 in the first partial punching process, but the ratio is appropriately set depending on the material and thickness of the metal plate 20. It is determined. The same applies to the upper punch 2 in the second partial punching step.
  • the extrusion device 8 includes the extrusion upper die 9, the extrusion punch 10, and the extrusion lower die 12, but the configuration is not limited to this, and the extrusion upper die 9 and the upper die 3 are integrated. It can also be At this time, the lower die 6 and the extrusion lower die 12 can be integrated.
  • the metal plate 20 is described as an example of the plate member, but the plate member is not limited to this, and may be a plate member made of another material such as a paper plate member, a mica plate, or a synthetic resin plate. .. Further, the present invention is particularly effective for a plate material having a thickness of 0.3 mm or less.
  • the clearance between the upper punch hole 4 and the upper punch 2 and the clearance between the lower punch hole 7 and the lower punch 5 are 3.0 ⁇ m, but may be between 1.5 and 3.0 ⁇ m.
  • a cutting device 1B which is a processing device for cutting the metal plate 20, is provided with a pair of first blades 40 capable of sandwiching the metal plate 20 from the front and back sides, and a first cutting body 40 and a planned cutting line L sandwiched therebetween.
  • the pair of the second blade bodies 50, and the driving device 60 that drives the first blade body 40 and the second blade body 50 are provided.
  • the lower part of the first blade 40 is a table 41 fixed to the installation place, and the upper part thereof is a plate material holder 42 that is vertically moved by the drive device 60.
  • the second blade 50 has a lower blade 51 on the lower side and an upper blade 52 on the upper side.
  • the planned cutting line L is a line that represents the edge of the metal plate 20 after cutting (see FIG. 8B), and is a virtual line that does not actually appear on the surface of the metal plate 20.
  • the drive device 60 includes a first drive unit 61 that vertically moves the plate pressing member 42, a second drive unit 62 that vertically moves the lower blade 51, and a vertically movable upper blade 52. And a third driving unit 63 for driving the same.
  • these drive units are schematically shown, but specifically, they are composed of a cylinder, a cam mechanism or the like which is generally widely used as a cutting device of this type. In the drive device 60 having these configurations, each drive unit is driven in synchronization. It should be noted that the drive device 60 is not shown in FIGS.
  • the cutting device 1B of the present embodiment is adjusted so that the clearance between the first blade body 40 and the second blade body 50 is 0 to about 5% of the plate thickness of the metal plate 20. This clearance is appropriately adjusted depending on the thickness and material of the metal plate 20 so that the metal plate 20 can be cut without causing burrs or the like.
  • the cutting method (processing method) of the present embodiment includes an initial position holding step of holding the metal plate 20 at an initial position by the first blade body 40 and the second blade body 50, and the first blade body 40 and the second blade body 50.
  • the first partial cutting step of relatively moving the blade in the forward direction, the second partial cutting step of relatively moving the first blade body 40 and the second blade body 50 in the opposite direction, the first blade body 40 and the second blade body It is composed of a returning step of returning the two-blade body 50 to the initial position.
  • FIG. 7 (A) shows a state where the metal plate 20 has been moved to the surface of the table 41 of the first blade 40. At this time, the plate material pressing tool 42 of the first blade body 40 is held apart from the table 41 at the upper side, and the upper blade 52 and the lower blade 51 are also held at positions vertically separated from the metal plate 20.
  • the plate material pressing tool 42 of the first blade 40 is lowered, and the metal material 20 is pressed against the table 41 by the plate material pressing tool 42 to hold the metal plate 20. Also in the second blade body 50, the upper blade 52 is lowered to abut the metal plate 20, and the lower blade 51 is raised to abut the metal plate 20.
  • the positions of the first blade body 40 and the second blade body 50 in FIG. 7B are the initial positions.
  • the first blade body 40 and the second blade body 50 and the second blade body 50 are held with the positions of the table 41 and the plate material pressing tool 42, which are the first blade bodies 40, held.
  • the blade 50 is pressed upward (forward in the plate thickness direction) and pushed up (first partial cutting step).
  • the rising height at this time is 20 to 70% of the plate thickness of the metal plate 20 from the initial position. Since this ratio varies depending on the thickness of the metal plate 20 and the material of the metal plate 20, the ratio at which the metal plate 20 is cut cleanly, an appropriate ratio is obtained in actual cutting work.
  • the first blade body 40 and the second blade body 50 and the second blade body 50 are held with the positions of the table 41 and the plate material holder 42, which are the first blade bodies 40, held.
  • the blade body 50 is pushed downward (opposite to the plate thickness direction) (second partial cutting step).
  • the descending height at this time is also 20 to 70% of the plate thickness of the metal plate 20 from the initial position.
  • the rising rate in FIG. 7C and the falling rate in FIG. 7D may be the same rate or different rates.
  • the first blade body 40 and the second blade body 50 which are the second blade body 50 and the second blade body 50, are held while the positions of the table 41 and the plate material pressing tool 42, which are the first blade bodies 40, are held.
  • the blade body 50 is returned to the initial position (return process).
  • the metal plate 20 is cut by these series of steps.
  • the metal plate 20 may be cut by the second partial cutting step of FIG. 7D, but in this case, even if a later returning step is performed.
  • the restoration process may not be performed.
  • the moving direction of the first blade body 40 and the second blade body 50 is downward in the first partial cutting step, It may be moved upward in the cutting step. Further, depending on the thickness and material of the metal plate 20, the first blade body 40 and the second blade body 50 may be moved a plurality of times.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
PCT/JP2019/042528 2018-10-31 2019-10-30 板材の加工を行う加工装置、及び加工方法 WO2020090872A1 (ja)

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CN201980026990.7A CN112004620B (zh) 2018-10-31 2019-10-30 进行板材加工的加工装置及加工方法
JP2020513671A JP6749036B1 (ja) 2018-10-31 2019-10-30 板材の加工を行う加工装置、及び加工方法

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JP2018205158 2018-10-31
JP2018-205158 2018-10-31

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JP2011526212A (ja) * 2008-07-03 2011-10-06 ファインツール・インテレクチュアル・プロパティ・アクチエンゲゼルシャフト 帯状材料から精密打ち抜き部品を製作する方法と装置
JP2012110933A (ja) * 2010-11-24 2012-06-14 Kitakyushu Foundation For The Advancement Of Industry Science & Technology 剪断加工装置及びそれを用いた剪断加工方法

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