JP2010167541A - Cutting die of die cutter - Google Patents

Cutting die of die cutter Download PDF

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JP2010167541A
JP2010167541A JP2009013806A JP2009013806A JP2010167541A JP 2010167541 A JP2010167541 A JP 2010167541A JP 2009013806 A JP2009013806 A JP 2009013806A JP 2009013806 A JP2009013806 A JP 2009013806A JP 2010167541 A JP2010167541 A JP 2010167541A
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die
elastic body
sheet
punching blade
punching
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Katsuji Hashimoto
勝治 橋本
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Nippon Die Steel Co Ltd
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Nippon Die Steel Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a cutting die avoiding that an edge portion of an elastic body elastically holding down a sheet is cut by a die-cutting blade during die-cutting of the sheet. <P>SOLUTION: The flat square-shaped elastic body 3 having a greater height than the blade height of the die-cutting blade is disposed at proximal portions holding therebetween the die-cutting blade 2 embedded in a die plate 1. A chamfer 4 is disposed at an intersection portion (edge portion) between a sheet pressing face 3c of the elastic body 3 and a side face 3a opposed to the die-cutting blade 2. If the elastic body 3 is elastically deformed while holding down the sheet S and falling toward the die-cutting blade 2, the intersection portion between the sheet pressing face 3c and the side face 3a does not face a lower part of the die-cutting blade 2. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

この発明は、段ボールシート等のシートを所定の形状に打ち抜くダイカッタの抜き型に関する。   The present invention relates to a die cutter die for punching a sheet such as a cardboard sheet into a predetermined shape.

シートを所定の形状に打ち抜くダイカッタには、ロータリ式と平盤式とが存在する。平盤式のダイカッタにおいては、図７に示すように、平盤状のアンビル１０上にダイホルダ（型板）１１を対向して設け、そのダイホルダ１１の下面に抜き型Ａ１を取付け、上記ダイホルダ１１とアンビル１０の対向方向への相対的な移動により、アンビル１０上に送り込まれて停止するシートＳを抜き型Ａ１に設けられた打抜き刃２２により所定の形状に打ち抜くようにしている。 There are a rotary type and a flat type as a die cutter for punching a sheet into a predetermined shape. In die cutter flat plate type, as shown in FIG. 7, provided opposite the die holder (template) 11 on the anvil 10 of the flat plate-like, mounting a cutting die A 1 to the lower surface of the die holder 11, the die holder the relative movement of the 11 and the opposing direction of the anvil 10, so that punched into a predetermined shape by punching blade 22 provided on the cutting die a 1 a sheet S to stop being fed onto the anvil 10.

ここで、ダイカッタの抜き型Ａ１においては、合板等からなるダイプレート２１に打抜き刃２２を、形成しようとする製品の輪郭と同形状となるように植設しており、その打抜き刃２２をアンビル１０上で停止するシートＳに刺通させる打抜きによってシートＳに切断線を形成するようにしている。 Here, in the punching die A 1 of the die cutter, a punching blade 22 in die plate 21 made of plywood or the like, to be formed and implanted so that the product of the contour and the same shape, the punching blade 22 A cutting line is formed on the sheet S by punching for piercing the sheet S stopped on the anvil 10.

ここで、切断線が連続していると、切断線の内側に形成される製品部が打抜き刃２２の内側に残ってシートＳから分離するおそれがあるため、上記切断線を不連続として、製品部とその周囲の屑との間に僅かなつなぎ部を設けるようにしている。   Here, if the cutting line is continuous, the product portion formed inside the cutting line may remain inside the punching blade 22 and be separated from the sheet S. A slight connecting portion is provided between the portion and the surrounding debris.

なお、打抜き処理後のシートＳは次工程のストリッピング部に搬送され、そのストリッピング部において、製品部とその周囲の屑とが僅かなつなぎ部を切断されて分離されるようになっている。   In addition, the sheet S after the punching process is conveyed to a stripping unit in the next process, and in the stripping unit, the product part and the surrounding waste are cut and separated by a slight connecting part. .

上記のような抜き型Ａ１において、ダイプレート２１に打抜き刃２２を単に設けた構成であると、シートＳの打抜き時にシートＳが浮き上がり、精度の高い打抜きを行なうことができない。 In cutting die A 1 as described above, if it is simply constructed by mounting a punching blade 22 in the die plate 21, the sheet S is lifted when punching the sheet S, it is impossible to perform highly accurate punching.

そこで、抜き型Ａ１においては、打抜き刃２２を挟む両側方に、その打抜き刃２２の刃の丈ｈより高さが高い直方体形状のゴム等からなる弾性体２３を打抜き刃２２の長さ方向に間隔をおいて設け、打抜き刃２２が打抜きを開始する前段から打抜きが完了するまでの間、弾性体２３でもってシートＳをアンビル１０に向けて弾力的に押えるようにしている。 Therefore, in the punching die A 1 , the elastic body 23 made of a rectangular parallelepiped rubber or the like whose height is higher than the blade height h of the punching blade 22 is provided on both sides of the punching blade 22 in the length direction of the punching blade 22. The sheet S is elastically pressed toward the anvil 10 by the elastic body 23 from the stage before the punching blade 22 starts punching until the punching is completed.

ここで、弾性体２３は接着による手段を介してダイプレート２１に固定され、その弾性体２３が打抜き刃２２との間に大きな間隔があく取付けであると、シートＳの浮き上がりを完全に防止することができない。また、弾性体２３は、その側面が打抜き刃２２の側面に密着する取付けであると、弾性体２３の弾性変形が阻害され、シートＳを損傷させる場合があるため、弾性体２３は、普通、打抜き刃２２との間に数ｍｍ程度の間隔をあけて取付けされている。   Here, the elastic body 23 is fixed to the die plate 21 by means of adhesion, and if the elastic body 23 is attached with a large space between the punching blade 22, the sheet S is completely prevented from being lifted. I can't. Further, if the elastic body 23 is attached so that its side surface is in close contact with the side surface of the punching blade 22, elastic deformation of the elastic body 23 may be inhibited and the sheet S may be damaged. It is attached to the punching blade 22 with an interval of about several mm.

上記のように、打抜き刃２２との間に僅かな間隔をあけて弾性体２３を取付けることは非常に手間がかかるため、対向する一対の側面を波形とした弾性体が提案されている。この弾性体においては、波形の側面の波高部が打抜き刃２２の側面に衝合する取付けとしても、弾性体の弾性変形が阻害されることが極めて少ないため、打抜き刃２２の側面に波形の側面が当接する取付けとすることができ、取付けの容易化を図ることができるという特徴を有している。   As described above, it is very time-consuming to attach the elastic body 23 with a slight gap between the punching blade 22 and an elastic body having a pair of opposing side surfaces is proposed. In this elastic body, even if the wave height portion of the corrugated side faces the side face of the punching blade 22, the elastic deformation of the elastic body is hardly inhibited. It has the characteristic that it can be set as the attachment which abuts and can aim at facilitation of attachment.

ところで、従来から知られているダイカッタの抜き型Ａ１においては、上記のように、弾性体２３を打抜き刃２２の側面に近接して取付け、あるいは、波形の側面の波高部を打抜き刃２２の側面に接触させる取付けであるため、弾性体２３がシートＳを押え始める状態から更に圧縮変形する際に、打抜き刃２２側に倒れる状態で圧縮すると、図８に示すように、弾性体２３のシート押圧面２３ａと打抜き刃２２と対向する側面２３ｂとが交差するエッジ部２３ｃが打抜き刃２２の下方に臨むことになる。 By the way, in the conventionally known die cutter punching die A 1 , as described above, the elastic body 23 is attached close to the side surface of the punching blade 22, or the wave height portion of the corrugated side surface is attached to the punching blade 22. Since the elastic body 23 is attached in contact with the side surface, when the elastic body 23 is further compressed and deformed from the state where the sheet S starts to be pressed, if the compression is performed in a state where the elastic body 23 falls to the punching blade 22 side, as shown in FIG. An edge portion 23 c where the pressing surface 23 a intersects the side surface 23 b facing the punching blade 22 faces the lower side of the punching blade 22.

このとき、打抜き刃２２は、上記エッジ部２３ｃを切断する状態でシートＳに刺通して切断線を形成することになるため、エッジ部２３ｃが切断線の内側に形成される製品部上に残ることになり、上記製品部が商品包装用の箱形成用素材の場合に、その素材の折曲げによって形成される包装箱内に切断されたエッジ部２３ｃが入り込み、そのエッジ部２３ｃが商品に付着して、商品の品質を著しく低下させるという問題が発生する。
また、弾性体２３を損傷させるという問題も生じる。 At this time, since the punching blade 22 pierces the sheet S in a state of cutting the edge portion 23c to form a cutting line, the edge portion 23c remains on the product portion formed inside the cutting line. When the product part is a box forming material for product packaging, the cut edge part 23c enters the packaging box formed by bending the material, and the edge part 23c adheres to the product. As a result, there is a problem that the quality of the product is significantly reduced.
Moreover, the problem of damaging the elastic body 23 also arises.

この発明の課題は、シート打抜き時に弾性体のエッジ部が打抜き刃によって切断されないようにすることである。   An object of the present invention is to prevent an edge portion of an elastic body from being cut by a punching blade when a sheet is punched.

上記の課題を解決するために、この発明においては、ダイプレートにシートを所定の形状に打ち抜く打抜き刃を設け、その打抜き刃の近接部位に、その打抜き刃の刃の丈より高さが高い弾性体を設け、その弾性体がシートを押え付ける状態において打抜き刃をシートに刺通させてシートを所定の形状に打ち抜くようにしたダイカッタの抜き型において、前記弾性体のシート押圧面と前記打抜き刃に対向する側面との交差部に面取り部を設けた構成を採用したのである。   In order to solve the above-described problems, in the present invention, a punching blade for punching a sheet into a predetermined shape is provided on a die plate, and an elastic member having a height higher than the length of the punching blade is provided at a portion adjacent to the punching blade. In a die cutter punching die in which a punching blade is pierced through the sheet and the sheet is punched into a predetermined shape in a state where the elastic body presses the sheet, and the sheet pressing surface of the elastic body and the punching blade The structure which provided the chamfering part in the cross | intersection part with the side surface which opposes to this was employ | adopted.

上記の構成からなるダイカッタの抜き型をダイプレートに取付け、そのダイプレートとアンビルの対向方向への相対的な移動によるシートの打抜き時、抜き型に設けられた弾性体はシートに当接し、その当接状態から弾性変形してシートを弾性的に押さえ、その押え状態において、打抜き刃がシートに刺通して切断線を形成する。   The die cutter of the die cutter having the above structure is attached to the die plate, and when the sheet is punched by relative movement of the die plate and the anvil in the opposing direction, the elastic body provided in the die comes into contact with the sheet, The sheet is elastically deformed from the contact state, and the sheet is elastically pressed. In the pressed state, the punching blade pierces the sheet to form a cutting line.

上記のようなシートの打抜きにおいて、弾性体が弾性変形する際、弾性体は打抜き刃側に倒れる状態で弾性変形する場合がある。このとき、弾性体のシート押圧面と打抜き刃に対向する側面との交差部には面取り部が施されているため、上記交差部が打抜き刃の下側に臨むようなことはない。このため、打抜き刃によって弾性体の一部が切断されるようなことはない。   In the punching of the sheet as described above, when the elastic body is elastically deformed, the elastic body may be elastically deformed in a state of falling to the punching blade side. At this time, since the chamfered portion is formed at the intersecting portion between the sheet pressing surface of the elastic body and the side surface facing the punching blade, the intersecting portion does not face the lower side of the punching blade. For this reason, a part of elastic body is not cut | disconnected by a punching blade.

ここで、弾性体の一対の側面とシート押圧面とが交差する交差部のそれぞれに面取り部を形成すると、弾性体の取付けの際、一対の側面のいずれか一方が打抜き刃と対向するように弾性体を取付けるようにすればよいため、取付け方向が制約されることが少なくなり、弾性体の取付けの容易化を図ることができる。   Here, when the chamfered portion is formed at each of the intersecting portions where the pair of side surfaces of the elastic body and the sheet pressing surface intersect, when attaching the elastic body, one of the pair of side surfaces faces the punching blade. Since the elastic body only needs to be attached, the attachment direction is less restricted, and the attachment of the elastic body can be facilitated.

上記のように、この発明においては、弾性体のシート押圧面と打抜き刃に対向する側面との交差部（エッジ部）に面取り部を設けたことにより、シート打抜き時に弾性体のエッジ部が打抜き刃によって切断されるのを完全に防止することができる。   As described above, in the present invention, the edge portion of the elastic body is punched when the sheet is punched by providing the chamfered portion at the intersection (edge portion) between the sheet pressing surface of the elastic body and the side surface facing the punching blade. It can be completely prevented from being cut by the blade.

この発明に係る抜き型の一部分を示す斜視図The perspective view which shows a part of punching die concerning this invention 図１に示す抜き型をダイカッタにセットした状態を示す断面図Sectional drawing which shows the state which set the punching die shown in FIG. 1 to the die cutter シートの打抜き状態を示す断面図Sectional view showing the punched state of the sheet 弾性体が打抜き刃側に倒れた状態で弾性変形した際の断面図Sectional view when the elastic body is elastically deformed in a state where it falls to the punching blade side 弾性体の他の例を示す断面図Sectional drawing which shows the other example of an elastic body 図５の底面図Bottom view of FIG. 従来の抜き型をダイカッタにセットした状態を示す断面図Sectional drawing which shows the state which set the conventional cutting die to the die cutter 図７に示すダイカッタがシートの打抜きを開始した状態を示す断面図Sectional drawing which shows the state which the die cutter shown in FIG. 7 started the punching of a sheet | seat

以下、この発明の実施の形態を図１乃至６に基づいて説明する。図１および図２に示すように、この発明に係るダイカッタの抜き型Ａ０は、合板からなるダイプレート１を有している。ダイプレート１には打抜き刃２が植え込むように設けられている。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIGS. 1 and 2, a trimming die A 0 of the die cutter according to the invention has the die plate 1 made of plywood. The die plate 1 is provided with a punching blade 2 so as to be implanted.

打抜き刃２は、形成しようとする製品の輪郭と同一形状の配置とされているが、図１では、その一部分の打抜き刃２のみを示している。その打抜き刃２の両側には平面角形の弾性体３が設けられている。   The punching blade 2 is arranged in the same shape as the contour of the product to be formed, but FIG. 1 shows only a part of the punching blade 2. On both sides of the punching blade 2, a planar rectangular elastic body 3 is provided.

弾性体３は、ゴムや合成樹脂等の弾性を有する材料からなり、接着による手段を介してダイプレート１に固定されている。また、弾性体３は、その一方の側面と打抜き刃２の対応する一方の側面間に数ｍｍ程度の間隔をあけて配置された近接状態であり、その高さＨは、打抜き刃２の刃の丈ｈよりも高くなっている。   The elastic body 3 is made of an elastic material such as rubber or synthetic resin, and is fixed to the die plate 1 by means of adhesion. Further, the elastic body 3 is in a proximity state in which the one side surface and the corresponding one side surface of the punching blade 2 are arranged with a gap of about several millimeters, and its height H is the blade of the punching blade 2 It is higher than the length h.

弾性体３の打抜き刃２と対向する一側面３ａおよびその一側面３ａと反対側の側面３ｂと下面であるシート押圧面３ｃとが交差するそれぞれの交差部（エッジ部）にはこれらの交差部を削り取った面取り部４が形成されている。ここで、面取り部４は図示のような斜面であってもよく、あるいは、円弧面であってもよい。   One of the side surfaces 3a facing the punching blade 2 of the elastic body 3, the side surface 3b opposite to the one side surface 3a, and the sheet pressing surface 3c, which is the lower surface, intersect with each other. A chamfered portion 4 is formed by shaving off. Here, the chamfered portion 4 may be a slope as shown in the figure, or may be a circular arc surface.

図２は、上記の構成からなる抜き型Ａ０をダイカッタのダイホルダ１１の下面に取付けた状態を示す。 Figure 2 shows a state of attaching the cutting die A 0 having the above structure to the lower surface of the die holder 11 of the die cutter.

抜き型Ａ０の上記のようなセット状態において、ダイホルダ１１をその下方に設けられたアンビル１０に向けて下降させると、弾性体３のシート押圧面３ｃがシートＳの上面に当接する。その当接状態からダイホルダ１１がさらに下降すると、弾性体３が圧縮変形してシートＳをアンビル１０に向けて弾性的に押さえ、打抜き刃２は、図３に示すように、上記一対の弾性体３間を通り抜けてシートＳに刺通して、シートＳに切断線を形成する。 In the set conditions such as the above-mentioned cutting die A 0, is lowered toward the anvil 10 provided with a die holder 11 thereunder, the sheet pressing surface 3c of the elastic body 3 abuts against the upper surface of the sheet S. When the die holder 11 is further lowered from the contact state, the elastic body 3 is compressed and deformed, and the sheet S is elastically pressed toward the anvil 10, and the punching blade 2 has the pair of elastic bodies as shown in FIG. The sheet S is pierced through the sheet S to form a cutting line on the sheet S.

上記のようなシートＳの打抜きにおいて、弾性体３が弾性変形する際、打抜き刃２の両側に設けられた一対の弾性体３の一方が、図４に示すように、打抜き刃２側に倒れる状態で弾性変形する場合がある。このとき、弾性体３のシート押圧面３ｃと打抜き刃２に対向する一側面３ａとの交差部に面取り部４が施されているため、上記交差部が打抜き刃２の下側に臨むようなことはない。このため、打抜き刃２によって弾性体３の一部が切断されるようなことはなく、また、切断片が製品部上に残されるという不都合の発生もないため、製品部が包装箱の形成用素材である場合に、屑の混入のない包装箱を形成することができる。   In the punching of the sheet S as described above, when the elastic body 3 is elastically deformed, one of the pair of elastic bodies 3 provided on both sides of the punching blade 2 falls to the punching blade 2 side as shown in FIG. It may be elastically deformed in the state. At this time, since the chamfered portion 4 is applied to the intersecting portion between the sheet pressing surface 3c of the elastic body 3 and the one side surface 3a facing the punching blade 2, the intersecting portion faces the lower side of the punching blade 2. There is nothing. For this reason, a part of the elastic body 3 is not cut by the punching blade 2, and there is no inconvenience that the cut piece is left on the product part. When it is a raw material, a packaging box free from waste can be formed.

実施の形態においては、弾性体３の一対の側面３ａ、３ｂとシート押圧面３ｃとが交差する交差部のそれぞれに面取り部４を形成しているため、弾性体３の取付けの際、一対の側面３ａ、３ｂのいずれか一方が打抜き刃２と対向するように弾性体３を取付けるようにすればよいため、弾性体３の取付け方向が制約されることが少なくなり、弾性体３の取付けの容易化を図ることができる。   In the embodiment, since the chamfered portion 4 is formed at each of the intersecting portions where the pair of side surfaces 3a, 3b and the sheet pressing surface 3c of the elastic body 3 intersect, when the elastic body 3 is attached, Since the elastic body 3 may be attached so that one of the side surfaces 3a and 3b faces the punching blade 2, the mounting direction of the elastic body 3 is less restricted, and the elastic body 3 is attached. Simplification can be achieved.

図５および図６に示すように、弾性体３の両側面３ａ、３ｂを打抜き刃２の長さ方向に向けて波形とすると、その側面３ａ、３ｂの一方の波高部が打抜き刃２と接触するよう近接する取付けにおいて、弾性体３は打抜き刃２に阻害されることなくスムーズに弾性変形する。したがって、この場合も上記と同様に、弾性体３の取付けの容易化を図ることができる。   As shown in FIGS. 5 and 6, when the side surfaces 3 a and 3 b of the elastic body 3 are corrugated toward the length direction of the punching blade 2, one wave height portion of the side surfaces 3 a and 3 b is in contact with the punching blade 2. In the attachment so close, the elastic body 3 is elastically deformed smoothly without being obstructed by the punching blade 2. Therefore, in this case as well, the attachment of the elastic body 3 can be facilitated as described above.

１ ダイプレート
２ 打抜き刃
３ 弾性体
３ａ 一側面
３ｂ 他側面
４ 面取り DESCRIPTION OF SYMBOLS 1 Die plate 2 Punching blade 3 Elastic body 3a One side surface 3b The other side surface 4 Chamfering

Claims (2)

ダイプレートにシートを所定の形状に打ち抜く打抜き刃を設け、その打抜き刃の近接部位に、その打抜き刃の刃の丈より高さが高い弾性体を設け、その弾性体がシートを押え付ける状態において打抜き刃をシートに刺通させてシートを所定の形状に打ち抜くようにしたダイカッタの抜き型において、
前記弾性体のシート押圧面と前記打抜き刃に対向する側面との交差部に面取り部を設けたことを特徴とするダイカッタの抜き型。 In the state where the die plate is provided with a punching blade for punching the sheet into a predetermined shape, and an elastic body higher than the length of the punching blade is provided in the vicinity of the punching blade, and the elastic body presses the sheet In a die cutter punching die in which a punching blade is pierced into a sheet and the sheet is punched into a predetermined shape,
A die cutter punching die, wherein a chamfered portion is provided at an intersection between a sheet pressing surface of the elastic body and a side surface facing the punching blade. 前記弾性体の一対の側面とシート押圧面とが交差する交差部のそれぞれに面取り部を形成した請求項１に記載のダイカッタの抜き型。   2. The die cutter die according to claim 1, wherein chamfered portions are formed at each of the intersecting portions where the pair of side surfaces of the elastic body and the sheet pressing surface intersect.
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Cited By (8)

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Publication number Priority date Publication date Assignee Title
CN102267143A (en) * 2011-07-27 2011-12-07 深圳市美盈森环保科技股份有限公司 Die cutting machine and method for pressing lines on front and back faces of corrugated board
US20130014625A1 (en) * 2010-03-26 2013-01-17 Mitsubishi Heavy Industries, Ltd. Electrode plate manufacturing device
CN105328043A (en) * 2015-12-15 2016-02-17 常熟市汇海机械制造有限责任公司 Rapid heating type hot-stamping die
CN105328044A (en) * 2015-12-15 2016-02-17 常熟市汇海机械制造有限责任公司 High-precision stamping die
CN108749153A (en) * 2018-05-25 2018-11-06 马婧 A kind of corrugated board contour machining equipment
CN108749152A (en) * 2018-05-25 2018-11-06 马婧 A kind of process equipment for corrugated board
CN110027935A (en) * 2019-05-10 2019-07-19 佛山市天正机械有限公司 Die-cutting machine
JP2020116634A (en) * 2019-01-25 2020-08-06 トヨタ自動車株式会社 Rolling die

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JPH09277199A (en) * 1996-04-10 1997-10-28 Nippon Daisuchiile Kk Cushion member for paper vessel punching device
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JPH09277199A (en) * 1996-04-10 1997-10-28 Nippon Daisuchiile Kk Cushion member for paper vessel punching device
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130014625A1 (en) * 2010-03-26 2013-01-17 Mitsubishi Heavy Industries, Ltd. Electrode plate manufacturing device
CN102267143A (en) * 2011-07-27 2011-12-07 深圳市美盈森环保科技股份有限公司 Die cutting machine and method for pressing lines on front and back faces of corrugated board
CN105328043A (en) * 2015-12-15 2016-02-17 常熟市汇海机械制造有限责任公司 Rapid heating type hot-stamping die
CN105328044A (en) * 2015-12-15 2016-02-17 常熟市汇海机械制造有限责任公司 High-precision stamping die
CN108749153A (en) * 2018-05-25 2018-11-06 马婧 A kind of corrugated board contour machining equipment
CN108749152A (en) * 2018-05-25 2018-11-06 马婧 A kind of process equipment for corrugated board
CN108749152B (en) * 2018-05-25 2019-11-22 宜兴市明亿包装有限公司 A kind of process equipment for corrugated board
CN108749153B (en) * 2018-05-25 2019-11-22 东莞市丽虹环保材料有限公司 A kind of corrugated board contour machining equipment
JP2020116634A (en) * 2019-01-25 2020-08-06 トヨタ自動車株式会社 Rolling die
CN110027935A (en) * 2019-05-10 2019-07-19 佛山市天正机械有限公司 Die-cutting machine

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