WO2012011478A2 - Poinçon de perforation - Google Patents

Poinçon de perforation Download PDF

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Publication number
WO2012011478A2
WO2012011478A2 PCT/JP2011/066391 JP2011066391W WO2012011478A2 WO 2012011478 A2 WO2012011478 A2 WO 2012011478A2 JP 2011066391 W JP2011066391 W JP 2011066391W WO 2012011478 A2 WO2012011478 A2 WO 2012011478A2
Authority
WO
WIPO (PCT)
Prior art keywords
jig
punching
blade
punching die
punching blade
Prior art date
Application number
PCT/JP2011/066391
Other languages
English (en)
Japanese (ja)
Other versions
WO2012011478A3 (fr
Inventor
光広 高橋
Original Assignee
株式会社高橋型精
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
Priority claimed from JP2010185689A external-priority patent/JP5522634B2/ja
Priority claimed from JP2010269022A external-priority patent/JP5396668B2/ja
Application filed by 株式会社高橋型精 filed Critical 株式会社高橋型精
Publication of WO2012011478A2 publication Critical patent/WO2012011478A2/fr
Publication of WO2012011478A3 publication Critical patent/WO2012011478A3/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/38—Cutting-out; Stamping-out
    • B26F1/44—Cutters therefor; Dies therefor

Definitions

  • the present invention relates to a punching die in which a jig with a position adjusting function for a punching blade is attached to a jig fixing panel, and the punching blade is supported by the jig, and many of the components can be reused even after being used. It relates to a die that can be cut.
  • a punching die 19A shown in FIGS. 23A and 23B is known for punching a thin body such as a film, a nonwoven fabric, or a plate.
  • a punching blade 191 (a band-like blade in FIGS. 23A and 23B) is embedded in a board 192 made of plywood.
  • the punching die 19 ⁇ / b> A a plurality of notches C are formed on the lower end side of the punching blade 191.
  • the board 192 is formed with a slit S penetrating between the front surface and the back surface, leaving a portion corresponding to the notch C.
  • an elastic block 193 (having a height higher than the position of the cutting edge T) is provided along the inner periphery and the outer periphery of the punching blade 191. With this elastic block 193, the punched product and the remaining residue can be ejected.
  • a punching die 19B shown in FIG. 24 is also known for punching out films, plates, and the like. In the punching die 19B, a metal plate is cut out to create a punching blade.
  • elastic plates 194 (thickness is thicker than the height of the cutting edge T) are provided along the inside and outside of the punching blade 191 (the cutting blade in FIG. 24). With this elastic plate 194, the punched product and the remaining residue can be ejected.
  • the punching die 19A and the punching die 19B may be set on the lower surface plate 182 of the flat plate press 18 as shown in FIG. Although not shown, the punching dies 19A and 19B may be set on the upper surface plate 181. In this case, the film F wound up on the roll is moved between the upper surface plate 181 and the lower surface plate 182. It is sent out in the middle and punched.
  • the conventional punching dies 19A and 19B cannot be reused or reused (recycled), which is uneconomical.
  • the elastic block 193 is not removed from the board 192 but is discarded (embedded in the ground or incinerated). As a result, the die 19A that is no longer used may cause soil contamination and air pollution.
  • the punching die 19B shown in FIG. 24 has a much higher punching accuracy than the punching die 19A shown in FIGS. 23A and 23B, but a large punching die (for example, a punching die of 1,000 cm 2 or more).
  • the mold is not practical because it is heavy and is not easy to process.
  • a large punching die is composed of a plurality of machined punching blade modules and these are connected to complete the punching die. However, it is not easy to align the blade edge of each module. For this reason, conventionally, a large punching die has not been configured from a plurality of cut-out modules.
  • the object of the present invention is also to reduce or reduce deforestation and contribute to CO 2 reduction by avoiding the use of plywood as much as possible.
  • Another object of the present invention is to provide a lightweight punching die constituted by a punching blade module created by machining.
  • the outline of the punching die of the present invention is (1) to (6).
  • a thin body set between one surface plate and the other surface plate is directed to the other surface plate, and is attached to one surface plate of two facing surface plates that repeat proximity and separation.
  • a panel for fixing the jig, With The jig with the position adjusting function is screw-fixed to the jig fixing panel so that the position can be changed, And / or
  • the punching blade is pin-fixed to the jig with the position adjusting function so that the position can be changed,
  • the presser member is selectively used in the present invention.
  • As the pressing member wood, synthetic resin, ceramic, glass, metal, or the like can be used.
  • the punching blade may be a belt-like blade (also referred to as a so-called Thomson blade) or a shaving blade. Further, the punching blade may be a combination of a belt-like blade and a cutting blade.
  • the outline of the cutting edge of the punching blade in a plan view typically has a closed shape (loop), and the inside of the punched film is usually a product film or the like.
  • Another blade for forming a predetermined shape hole (round hole, square hole, etc.) in the product film or the like may be formed inside the loop.
  • the straight or curved portion of the punching blade is constituted by a strip-shaped blade.
  • the plan view of the cutting edge is a complicated shape (when the shape of the cutting edge is a stepped shape, a zigzag shape, etc.), it is preferable that the complicated shape portion of the punching blade is constituted by a cutting blade. It is also preferable that the portion is constituted by a board made of plywood, synthetic resin, or metal in which a cutting blade or a band blade is embedded.
  • a predetermined shape hole (round hole, square hole, etc.)
  • the shaving blade for forming the hole having the predetermined shape can be constituted by a board in which a belt-like blade is embedded. Further, the shaving blade for forming the hole having the predetermined shape can be constituted by a metal plate such as a rectangle on which a blade cut out in a loop shape is formed.
  • the jig fixing panel can be composed of a single member such as aluminum or stainless steel.
  • the jig fixing panel can be composed of a plurality of members in multiple layers.
  • the surface layer may be a metal plate with high hardness such as stainless steel or duralumin, and the other layer may be a metal plate with low hardness of aluminum or plastic.
  • Wood, synthetic resin, ceramic, glass, metal, etc. can be used for the jig with position adjusting function.
  • the jig with a position adjusting function may be a structure that holds the punching blade.
  • the jig with a position adjusting function can be constituted by an inner jig frame, an outer jig frame, an inner pressing member, and an outer pressing member.
  • the inner pressing member is disposed between the inner jig frame and the punching blade
  • the outer pressing member is disposed between the punching blade and the outer jig frame.
  • the punching blade is sandwiched between the inner pressing member and the outer pressing member.
  • the jig frames inner jig frame and outer jig frame
  • the distance between the inner jig frame and the outer jig frame can be adjusted.
  • the distance between the inner jig frame and the outer jig frame may be a pitch of two lattice points
  • a jig with a position adjustment function to a jig fixing panel is typically performed with screws, bolts, or the like.
  • a jig with a position adjusting function can be attached to a jig fixing panel, and a punching blade can be held by the jig with a position adjusting function.
  • the screw holes can be formed directly at the lattice points of the jig fixing panel. Further, a member having an internal thread can be embedded in a lattice point of the jig fixing panel.
  • Various patterns can be adopted as the pattern of screws formed on the jig fixing panel, and typically a square lattice or a triangular lattice may be used.
  • a conventional elastic block (FIGS. 23A and 23B) and an elastic plate (FIG. 24) can be used as the spring-out member, and a spring-out member using a metal spring (FIG. 17). (See FIG. 22).
  • the jumping member using the elastic block or the elastic plate cannot be reused in many cases, but the jumping member using the metal spring can be reused.
  • a jig having no position adjusting function can be used for a part of the punching blade.
  • the plan view outline of the punching blade is rectangular, it is not necessary to adjust the position of the two adjacent sides, and it is only necessary to adjust the position of the other two sides.
  • the jig fixing panel has a screw for attaching a jig with a position adjustment function (or a jig with a position adjustment function, for example, a jig without a position adjustment function when the punching blade has a rectangular plan view outline).
  • a hole can be formed in advance. Further, this screw hole may be formed when the punching blade is aligned.
  • a jig hole without a position adjusting function described above can also have a screw hole as a long hole or a cross-shaped hole.
  • the degree of freedom of arrangement of a jig with a position adjustment function (or a jig without the position adjustment function described above) can be increased.
  • the jig with the position adjusting function can be adjusted in the position of the punching blade while being fixed to the jig fixing panel. Further, the position adjustment function jig itself can be finely moved with respect to the jig fixing panel by an eccentric screw to adjust the position.
  • FIG. 5 is a partial view of a punching die produced based on the design of FIGS. 2 to 4, and shows a state in which an inner jig frame and an outer jig frame are attached to a jig fixing panel at a two-grating point pitch; A) is front explanatory drawing, (B) is side explanatory drawing, (C) is a top view.
  • A) is front explanatory drawing
  • B) is side explanatory drawing
  • C is a top view.
  • FIG. 5 is a partial view of a punching die produced based on the designs of FIGS. 2 to 4, and shows a state where an inner jig frame and an outer jig frame are attached to a jig fixing panel at a three-grid point pitch;
  • A) is front explanatory drawing
  • B) is side explanatory drawing
  • C) is a top view. It is a figure which shows the cutting die using the jig with a position adjustment function which has a jig frame with which the inner jig frame and the outer jig frame are integrally formed,
  • A) is a front explanatory view,
  • (B) is a side explanatory view,
  • C) is a plan view.
  • FIG. 7 It is a figure which shows the example of a design change of the cutting die of FIG. 7, (A) is front explanatory drawing, (B) is side explanatory drawing, (C) is a top view. It is a figure which shows the structure of the uneven
  • FIG. 1 It is a figure which shows embodiment in case all the punching blades are created by cutting, (A) is front explanatory drawing, (B) is side explanatory drawing, (C) is a top view. It is a figure which shows the aspect of the shape of the hole for fastening of the jig with a position adjustment function, (A) shows embodiment which formed the hole for fastening in the cross (cross
  • FIG. 1 It is a figure which shows the robot used for positioning of a jig with a position adjustment function. It is a figure which shows the electromagnetic magnet for temporarily installing the jig with a position adjustment function.
  • FIG. 1 It is explanatory drawing which shows one Embodiment of a springing-out member,
  • A) is a top view of a springing-out member,
  • B) is a side view which shows the state before punching a thin body with a punch,
  • C) It is a side view which shows a state when a thin-shaped body is punched out with a punching die.
  • A) is a figure which shows the mode before compression of a springing member
  • (B) is a figure which shows the mode at the time of compression of a springing member.
  • FIG. 1 shows a jig fixing panel 12 used in the punching die 11 of the present invention.
  • the jig fixing panel 12 thread grooves 121 are formed at the lattice point positions of the virtual lattice.
  • the jig fixing panel 12 is a laminated body having a thickness of 5 mm.
  • the jig fixing panel 12 includes a 1 mm stainless steel layer 12 a located on the front surface side and a 4 mm aluminum layer 12 b located on the back surface side.
  • the thickness of the jig fixing panel 12 is not limited to 5 mm.
  • the thickness ratio between the stainless steel layer 12a and the aluminum layer 12b is not limited to the above value.
  • the thickness of the stainless steel layer 12a is 0.5 mm
  • the thickness of the aluminum layer 12b is 4.5 mm.
  • the lattice is a 30 mm ⁇ 30 mm square lattice, but other lattices other than the square lattice may be employed.
  • the image of the punching blade 134 is laid out on the computer screen 17 so as to overlap the image of the jig fixing panel 12.
  • the punching blade 134 is a belt-like blade.
  • the punching blade 134 is usually divided into a plurality of parts. In the present embodiment, as shown in FIG.
  • an image of the jig frame 1310 (inner jig frame and outer jig frame), an image of the inner pressing member 1331 and an image of the outer pressing member 1332 are laid out on the computer screen 7.
  • an area where the jig frame 130, the inner pressing member 1331 and the outer pressing member 1332 may be arranged is laid out on the computer screen 17.
  • the positions of the fastening holes (holes for fastening with the jig fixing panel 12) formed in the jig frame 130 are determined and laid out on the computer screen 17, and the actual An image representing the outline of the jig frame 130, an image representing the actual contour of the inner pressing member 1331, and an image representing the actual contour of the outer pressing member 1332 are laid out on the computer screen 17.
  • FIG. 5 shows a partial view of the die 11 produced based on the above design (FIGS. 2 to 4).
  • the jig 13 with a position adjusting function includes a jig frame 130 (inner jig frame and outer jig frame) whose section is L-shaped, and a pressing member 133 (inner pressing member 1331 and outer pressing member 1332).
  • a fastening hole 1311 is formed in the horizontal portion 131 of the jig frame 130, and a fastening bolt is inserted into the fastening hole 1311 and tightened with a nut (see bolt nut 1312).
  • a screw hole 1321 is formed in the vertical portion 132 of each jig frame 130, and a position adjusting screw 1322 is screwed into the screw hole 1321.
  • the inner pressing member 1331 and the outer pressing member 1332 hold the punching blade 134 therebetween.
  • the inner pressing member 1331 and the outer pressing member 1332 can be finely moved in the direction perpendicular to the side surface of the punching blade 134 by the position adjusting screw 1322, respectively.
  • an operator adjusts the position adjusting screw 1322 while viewing the image of the CCD camera, and sets the punching blade 134 at a position as designed.
  • the jig frame 130 is such that the fastening holes 1311 between the inner jig frame and the outer jig frame have a pitch of two lattice points with the screw groove 121 of the jig fixing panel 12 (one lattice point pitch is a lattice point interval).
  • the protruding member 135 is not shown, but specifically, an elastic block (see FIGS. 23A and 23B) or an elastic plate (see FIG. 24) can be used, or a metal A spring-out member using a spring (see FIGS. 17 to 22) can be used.
  • the jumping member 211 illustrated in FIGS. 17 to 22 can be used.
  • the fastening holes 1311 between the inner jig frame and the outer jig frame of the jig frame 130 are connected to the screw grooves 121 of the jig fixing panel 12 and three lattice point pitches (that is, three times the lattice point interval). It is also possible to arrange an inner jig frame and an outer jig frame.
  • FIG. 7 shows a punching die 11 using a jig 13 with a position adjusting function having a jig frame 130 in which an inner jig frame and an outer jig frame are integrally formed.
  • the lower end of the punching blade 134 does not directly hit the jig fixing panel 12, so that the jig fixing panel 12 having a low hardness (for example, an aluminum single-layer panel) can be used. .
  • FIG. 8 is a view showing a modification of the jig 13 with position adjustment function shown in FIG.
  • the bottom surface of the portion sandwiched between the vertical portions 132 and 132 of the jig frame 130 is thin, and the vertical portions 132 and 132 are formed intermittently.
  • FIG. 9 the enlarged view of the lower side uneven
  • FIG. 10 shows the configuration of the corners of the die 11.
  • the jig frame 130 inner jig frame and outer jig frame
  • the pressing member 133 also has an L shape in plan view at the corner.
  • FIG. 11 shows an embodiment in which the punching blade is composed of a strip-shaped punching blade 134 (strip-shaped blade) and a metal plate 14 having a combination of rectangles each having a cutting blade.
  • FIG. 12 shows the configuration of the metal plate 14 formed by cutting out the punching blade.
  • FIG. 13 is a partial view of the punching die 11 when all the punching blades are created by machining.
  • FIGS. 14A to 14C show an embodiment in which the shape of the fastening hole 1311 of the jig 3 with position adjusting function is not a circle.
  • FIG. 14A shows an embodiment in which the fastening hole 1311 is formed in a cross shape having the same vertical and horizontal lengths.
  • FIG. 14B shows an embodiment in which the fastening hole 1311 is formed in a cross shape having a different vertical length and horizontal length.
  • FIG. 14C shows an embodiment in which the fastening hole 1311 is formed in an X shape (cross).
  • the jig 13 with a position adjusting function can be attached to the square lattice of the screw groove 121 of the jig fixing panel 12 in an inclined manner.
  • FIG. 15 shows the robot RS used for positioning the jig 13 with a position adjusting function.
  • Robot 15 and the fixed rod S, the moving rod A M which is mounted movably in the Y direction to the fixed rod S, and slide A S mounted movably in the X direction to the moving rod A M, sliding It comprises a rotating mechanism A R that can move up and down on the moving body A S and is rotatably mounted.
  • the rotation mechanism A R is equipped with a blade position calibration CCD camera CMR and a vacuum suction device VN for detecting the position of the blade edge T.
  • the robot RS can know the position of the jig 13 with a position adjustment function and temporarily install the jig 3 with a position adjustment function at the position as described in FIGS.
  • FIG. 16 shows an electromagnetic magnet EM for temporarily installing the jig 13 with a position adjusting function.
  • the jig fixing panel 12 is made of a magnetic material.
  • the electromagnetic magnet EM can attach the jig 13 with a position adjustment function to the jig fixing panel 12 with an electromagnet.
  • FIGS. 17A, 17 ⁇ / b> B, and 17 ⁇ / b> C are explanatory views showing the spring-out member 211.
  • (A) is a plan view of the spring-out member 211
  • (B) is a side view showing a state before the thin body 25 is punched by the punching blade 22 (also indicated by reference numeral 134)
  • (C) is the thin body 25.
  • FIG. 3 is a side view showing a state when punched by a punching blade 22.
  • the spring-out member 211 includes one metal spring (spiral coil spring in FIG. 17) 2111, an upper plate 2112 attached to the upper end of the metal spring 2111, and a metal spring. And a lower plate 2113 attached to the lower end of 2111.
  • the metal spring 2111 is a so-called compression spring that is stretched in a free state and is compressed when a load is applied by the lower surface plate 261 and the upper surface plate 262 and has a return biasing force.
  • the spring-out member 211 is placed on the presser member 24 (also indicated by reference numeral 133).
  • the presser member 24 also indicated by reference numeral 133.
  • the thin body 25 is cut by the blade 222 protruding from the substrate 221.
  • the thin body 25 is separated into a punched product 251 and a punched residue 252.
  • the metal spring 2111 is compressed, the spring effective portion does not overlap in the expansion / contraction direction (does not overlap when viewed in plan). As a result, the metal spring 2111 is accommodated within the height of the blade 222.
  • the metal spring 2111 is urged so as to return to the free state, and the punched product and punched residue are ejected.
  • FIG. 18A shows a state before compression of the spring-out member 211
  • FIG. 18B shows a state when the spring-out member 211 is compressed.
  • the coil wire thickness d is 0.5 mm
  • the coil maximum center diameter DMAX is 8 mm
  • the coil minimum center diameter DMIN is 4 mm.
  • the number of turns of the spring effective portion is “2”.
  • the thickness of the upper plate 2112 and the thicknesses t1 and t2 of the lower plate 2113 are each 0.5 mm.
  • a bakelite plate, an aluminum plate, or a synthetic resin plate can be used as the upper plate 2112 and the lower plate 2113.
  • the free height Hf of the spring-out member 211 is 5 mm, and the compressed height Hp is 2.0 mm. Therefore, when the height of the blade 222 is 3 mm, the protruding member 211 of FIGS. 18A and 18B can be applied to the thin body 25 of 1 mm.
  • FIG. 19 is an explanatory view showing another embodiment of the spring-out member 211, in which (A) is a plan view and (B) is a side view.
  • a circular spiral coil spring is used as the metal spring 2111, but in FIGS. 19A and 19B, a rectangular spiral coil spring is used.
  • the metal spring 2111 of FIG. 19 is also compressed, the spring effective portion does not overlap in the expansion / contraction direction (when viewed from above, it does not overlap). As a result, the metal spring 2111 is accommodated within the height of the blade 222.
  • FIG. 20 to 22 are explanatory views showing specific examples using the spring-out member 211.
  • FIG. FIG. 20 shows a spring member 211 having a double-supported beam structure.
  • a large number of metal springs 2111 are provided on one upper plate 2112. From the upper plate 2112 of the spring member 211 inside the blade 222, a wire rod (for example, piano wire) 232 having a double-supported beam structure with two places as fulcrums protrudes.
  • a wire rod for example, piano wire
  • FIG. 21 shows a jumping member 211 having a beam structure with two points as fulcrums.
  • one metal spring 2111 is provided on two upper plates 2112. From the upper plate 2112 of the protruding member 211 inside the blade 222 , a wire material (for example, a piano wire) 233 having a double-supported beam structure having two fulcrums protrudes.
  • a wire material for example, a piano wire
  • FIG. 22 shows a stretched structure in which a wire is passed between two jumping members 211.
  • one metal spring 2111 is provided on two upper plates 2112.
  • a stretched wire rod (for example, a piano wire) 234 is stretched at two locations on the upper plate 2112 of the protruding member 211 inside the blade 222.
  • the side with the smaller coil diameter is the upper plate 2112 side and the side with the larger coil diameter is used. Is the lower plate 2113 side.
  • the side with the larger coil diameter can be the upper plate 2112 side and the side with the smaller coil diameter can be the lower plate 2113 side.
  • the cutting die 22 can also be attached to an upper surface plate.

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

Dans un poinçon de perforation (1), dans lequel plusieurs gabarits positionnables (3) pour une lame de poinçonnage sont fixés à un panneau de fixation de gabarit (12), et qui porte la lame de poinçonnage au moyen des gabarits (3), les gabarits positionnables (3) sont généralement montés sur le panneau de fixation de gabarit (12) au moyen de vis, de boulons ou similaires. Dans le poinçon de perforation de l'invention, les gabarits positionnables (3) sont montés sur le panneau de fixation de gabarit (12) et une lame de poinçonnage (34) peut être prise en sandwich par les gabarits positionnables (3).
PCT/JP2011/066391 2010-07-19 2011-07-19 Poinçon de perforation WO2012011478A2 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2010162369 2010-07-19
JP2010-162369 2010-07-19
JP2010185689A JP5522634B2 (ja) 2010-08-22 2010-08-22 跳ね出し部材およびこれを用いた抜き型
JP2010-185689 2010-08-22
JP2010269022A JP5396668B2 (ja) 2010-07-19 2010-12-02 抜き型
JP2010-269022 2010-12-02

Publications (2)

Publication Number Publication Date
WO2012011478A2 true WO2012011478A2 (fr) 2012-01-26
WO2012011478A3 WO2012011478A3 (fr) 2012-03-15

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Application Number Title Priority Date Filing Date
PCT/JP2011/066391 WO2012011478A2 (fr) 2010-07-19 2011-07-19 Poinçon de perforation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072156A (zh) * 2012-12-25 2013-05-01 张弘 平面模切机的可调模具板结构

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004017211A (ja) * 2002-06-17 2004-01-22 Hitachi Zosen Corp トリミングプレス機の切断装置
JP2005271189A (ja) * 2004-02-23 2005-10-06 Takahashi Keisei:Kk 抜き型用切断刃及び抜き型
WO2008081613A1 (fr) * 2006-12-28 2008-07-10 Takahashi Keisei Corporation Matrice de perforation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6324160Y2 (fr) * 1985-07-30 1988-07-01
JP2657609B2 (ja) * 1993-06-18 1997-09-24 有限会社エルテック 印刷物の打ち抜き刃の組立方法及び装置
JP3468691B2 (ja) * 1998-04-28 2003-11-17 有限会社▲高▼橋型精 抜 型

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004017211A (ja) * 2002-06-17 2004-01-22 Hitachi Zosen Corp トリミングプレス機の切断装置
JP2005271189A (ja) * 2004-02-23 2005-10-06 Takahashi Keisei:Kk 抜き型用切断刃及び抜き型
WO2008081613A1 (fr) * 2006-12-28 2008-07-10 Takahashi Keisei Corporation Matrice de perforation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103072156A (zh) * 2012-12-25 2013-05-01 张弘 平面模切机的可调模具板结构

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