JPS6116822A - Apparatus for replacing mold - Google Patents
Apparatus for replacing moldInfo
- Publication number
- JPS6116822A JPS6116822A JP13880484A JP13880484A JPS6116822A JP S6116822 A JPS6116822 A JP S6116822A JP 13880484 A JP13880484 A JP 13880484A JP 13880484 A JP13880484 A JP 13880484A JP S6116822 A JPS6116822 A JP S6116822A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- molding
- cylinder unit
- tank
- moved
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
- B29C31/006—Handling moulds, e.g. between a mould store and a moulding machine
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は例えば射出成形に用いる成形型の交換装置に関
する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a mold changing device used, for example, in injection molding.
（従来の技術）
一般に、射出成形にあっては型間に形成されるキャビテ
ィ内に、樹脂等の成形材料を注入し、所定形状の製品を
得るようにしている。そして、製品の形状を変えるには
型を交換するわけであるが従来にあっては、型交換の都
度、作業者が手作業で型を交換している。(Prior Art) Generally, in injection molding, a molding material such as a resin is injected into a cavity formed between molds to obtain a product having a predetermined shape. In order to change the shape of a product, the mold must be replaced, but in the past, an operator manually replaced the mold each time the mold was changed.
（発明が解決しようとする問題点）
従来の型交換は上述の如く、殆どを手作業によって行っ
ているため、型交換の頻度が少ない場合にはそれ程問題
とならないが、例えば、車両用シートなどを製造する場
合には、多機種少量生産であるため、型交換の頻度も大
となり、作業効率が大巾に低下する。特に他の工程と組
合せる場合には型交換を手作業で行うことが、連続した
工程で製品を得ることの妨げとなり、極めて不利となる
。(Problem to be Solved by the Invention) As mentioned above, conventional mold replacement is mostly done manually, so it is not a big problem if mold replacement is infrequent. When manufacturing a large number of different models, small quantities are produced, which means that the molds must be replaced frequently, which greatly reduces work efficiency. Particularly when combined with other processes, manually changing the mold is extremely disadvantageous as it impedes the ability to obtain a product in a continuous process.
（問題点を解決するための手段）
上記問題点を解決すべく本発明は、成形材料の供給装置
を備えた成形台に成形型を収納する成形槽を移動自在に
設け、また成形台に隣設した待機装置内には交換用の成
形型を保持する保持体を例えば昇降動自在に配設し、更
に成形部の近傍には成形型の着脱機構を備えた昇降動装
置を配置し、連結機構にて前記成形槽と保持体とを連結
した状態で保持体を成形部まで引き出し、前記昇降装置
によって引き出された保持体から交換用の新たな成形型
を取り出し、或いは使用済の成形型を保持体内に収納す
るようにした。(Means for Solving the Problems) In order to solve the above problems, the present invention provides a molding table equipped with a molding material supply device with a movable molding tank for storing molds, and also provides a molding tank adjacent to the molding table. In the prepared standby device, a holder for holding a replacement mold is disposed so as to be movable up and down, and an elevating device equipped with a mechanism for attaching and detaching the mold is placed near the molding section, and the device is connected. The mechanism connects the molding tank and the holder and pulls out the holder to the molding section, and takes out a new mold for replacement from the holder pulled out by the lifting device, or takes out the used mold. It is now stored inside the holder.
（実施例） 以下に本発明の実施例を添付図面に基づいて説明する。(Example) Embodiments of the present invention will be described below based on the accompanying drawings.
第１図は本発明に係る成形型の交換装置を適用した車両
用シートの製造装置の全体平面図であり、この製造装置
は加熱部（１）、粉末樹脂供給部（２）及び発泡成形部
（３）から主なる部分が構成され、これら各部分をフレ
ーム（４）及びレール（５）等で連絡している。FIG. 1 is an overall plan view of a vehicle seat manufacturing apparatus to which a mold changing device according to the present invention is applied, and this manufacturing apparatus includes a heating section (1), a powder resin supply section (2), and a foam molding section. The main parts are composed of (3), and these parts are connected by frames (4), rails (5), etc.
而して、その製造順の概略を説明すれば、先ず、加熱炉
（８）によって金型（７）を加熱し、加熱した金型（７
）を搬送装置（８）にて保持し、この搬送装置（８）を
フレーム（４）に沿って反転装置（８）の位置まで搬送
し、この反転装置のアーム（１０）。To explain the outline of the manufacturing order, first, the mold (7) is heated in the heating furnace (8), and then the heated mold (7) is heated.
) is held by a conveying device (8), this conveying device (8) is conveyed along the frame (4) to the position of a reversing device (8), and the arm (10) of this reversing device.
（！Ｏ）にて金型（７）をクランプし、金型（７）をク
ランプしたままアーム（１０） 、（１０）を反転させ
、金型（７）の開口部と粉末樹脂充填槽（１１）の上部
開口とを突合せ、この状態で金型（７）と粉末樹脂充填
槽（１１）とを一体重に回転して粉末樹脂充填槽（１１
）内の粉末樹脂を金型（７）内に移行し、金型（７）の
内側成形面に粉末樹脂を付着させ、この付着した粉末樹
脂を金型（７）の熱で溶融せしめ、金型の成形面に溶融
樹脂層を形成する。Clamp the mold (7) at (!O), turn the arms (10) and (10) over while clamping the mold (7), and connect the opening of the mold (7) with the powder resin filling tank (!O). 11), and in this state rotate the mold (7) and powder resin filling tank (11) as one body to close the powder resin filling tank (11).
) is transferred into the mold (7), the powder resin is adhered to the inner molding surface of the mold (7), the adhered powder resin is melted by the heat of the mold (7), and the mold is molded. A molten resin layer is formed on the molding surface of the mold.
この後、７−ム（ｔｏ） 、（１０）で再び金型（７）
をクランプし、アーム（１０） 、（１０）を元の状態
まで反転せしめ、レール（５）上に待機している成形槽
（１２）内に金型（７）を移し換える。そして、金型（
７）を収納した成形槽（１２）をレール（５）に沿って
移動し、左右いずれかの発泡成形部（３）の位置まで金
型（７）を搬送する。この後、発泡成形部（３）におい
て、金型（７）の上端開口部を成形型待機装置（１３）
から取り出した発泡成形型で覆い、金型成形面と発泡成
形型の間に形成される空間に発泡樹脂射出装置（１４）
からの発泡樹脂材料を充填する。After this, the mold (7) is removed again at 7-m (to) and (10).
is clamped, the arms (10) and (10) are reversed to their original states, and the mold (7) is transferred into the molding tank (12) waiting on the rail (5). And the mold (
7) is moved along the rails (5), and the mold (7) is transported to the position of either the left or right foam molding section (3). After this, in the foam molding section (3), the upper end opening of the mold (7) is connected to the mold standby device (13).
The foam resin injection device (14) is placed in the space formed between the mold surface and the foam mold.
Filling with foamed resin material from.
而して、発泡樹脂の表面が樹脂製表雨林で覆われた車両
用シートが得られる。Thus, a vehicle seat is obtained in which the surface of the foamed resin is covered with a resin rainforest.
第２図は発泡成形部（３）の正面図、ｓ３図は同発泡成
形郁（３）の側面図であり、図中（１５）は成形台であ
る。この成形台（１５）内にはシリンダユニット（１Ｂ
）が設けられ、このシリンダユニ； ） （１Ｂ）の作
動で前記成形槽（Ｉ２）を成形台（１５）の側方に配設
した成形型待機装置（１３）に対して接近動及び離反動
可能としている。また成形槽（Ｉ２）は前記金型（７）
を収納し得る大きさとされ、且つ成一槽（１２）内には
冷却水（１７）を供給可能とし、金型（７）内側面に形
成した溶融４！１脂層を冷却して表皮な形成するように
している。Fig. 2 is a front view of the foam molding section (3), and Fig. S3 is a side view of the same foam molding section (3), and (15) in the figure is a molding table. Inside this molding table (15) is a cylinder unit (1B
) is provided, and the operation of this cylinder unit; It is possible. In addition, the molding tank (I2) is connected to the mold (7).
In addition, cooling water (17) can be supplied into the forming tank (12) to cool the molten 4!1 fat layer formed on the inner surface of the mold (7) and form a skin. I try to do that.
一方、成形部の後方（第３図中右方）には支持台（１８
）を立設し、この支持台（１８）上部に昇降装置（１９
）を設けている。この昇降装置（１８）は、シリンダユ
ニット（２０）によって回動せしめられるヘッド部（２
１）と、このヘッド部（２１）の先部に摺動自在に挿通
されたロッド（２２）と、このロッド（２２）の先端部
に取付けられる成形型の着脱装置（２３）と、この着脱
装置（２３）をヘッド！（２１）に対して昇降せしめる
シリンダユニット（２０からなる。而して、昇降装置（
１９）はシリンダユニット（２０）を作動せしめること
で成形型（２５ａ）を保持したまま図の想像線の位置ま
で回動し、成形ｆｉ（２５ａ）を上方位置に待機せしめ
る。そして、昇降装置（１８）の下方への回動で金型（
７）内に成形型（２５ａ）を収めた後にシリンダユニッ
ト（２０を作動させて型締めを行う。On the other hand, a support stand (18
) is erected, and a lifting device (19
) has been established. This elevating device (18) includes a head portion (2) that is rotated by a cylinder unit (20).
1), a rod (22) slidably inserted into the tip of this head (21), a mold attachment/detachment device (23) attached to the tip of this rod (22), and this attachment/detachment device. Head the device (23)! (21) consists of a cylinder unit (20) that is raised and lowered relative to (21).
19) operates the cylinder unit (20) to rotate the mold (25a) while holding it to the position shown by the imaginary line in the figure, and waits the mold fi (25a) at the upper position. Then, by rotating the lifting device (18) downward, the mold (
7) After the mold (25a) is placed inside, the cylinder unit (20) is operated to close the mold.
また、前記支持台（１８）の側面にはシリンダユニツ）
Ｃ２Ｂ）にて斜め下方に進退動をなす射出装置（２７
）を取付龜す、この射出装置（２７）を前進せしめ、そ
の先端部を成形型（２５ａ）に設けた貫通孔に挿入し、
この貫通孔を介して射出装置（２７）から金型（７）と
成形１！！ （２５）とによって形成される空間（Ｓ）
内に例えば液状の発泡性樹脂材料を注入するようにして
いる。Also, on the side of the support stand (18) there is a cylinder unit).
The injection device (27) moves diagonally downward at C2B).
), move the injection device (27) forward and insert its tip into the through hole provided in the mold (25a),
Through this through hole, the injection device (27) connects to the mold (7) and molding 1! ! (25) The space (S) formed by
For example, a liquid foamable resin material is injected into the inside.
また、成形台（１５）の側方に隣設した成形型待機装置
（１３）は、床上に支柱（２８）・・・を立設し、この
支柱によって区画される空間にワイヤー（２８）を垂ら
し、コノワイヤー（２８）に板体（３０ａ） 、 （３
０ｂ）を上下方向に離間して結着し、該ワイヤー（２８
）を支柱（２８）の側方に固設したシリンダユニット（
３１）にプーリ（３２）を介して固着し、更に板体（３
０ａ） 、 （３０ｂ）上には保持体（３３ａ）、（３
３ｈ）を載置している。そして、保持体（３３ａ）には
前記成形型（２５ａ）を、保持体（３３ｂ）には成形型
（２５ｂ）を収めるものとする。In addition, the mold standby device (13) installed on the side of the molding table (15) has struts (28) erected on the floor, and wires (28) are inserted into the space defined by the struts. Drop the plate (30a) on the cono wire (28), (3
0b) are spaced apart in the vertical direction and tied together, and the wires (28
) is fixed to the side of the column (28).
31) via a pulley (32), and further fixed to the plate (31) via a pulley (32).
Holders (33a) and (3
3h) is installed. The mold (25a) is stored in the holder (33a), and the mold (25b) is stored in the holder (33b).
尚、第２図の状態にあっては、成形型（２５ａ）は成形
に使用されており、保持体（３３ａ）内に収められてい
ない。In the state shown in FIG. 2, the mold (25a) is used for molding and is not housed in the holder (33a).
また、前記成形槽（１２）には連結装置（３０を付設し
、成形槽（１２）と交換位置つまり中段位置にある保持
体（３３ａ）とを連結可能としている。この連結装置（
３０は成形槽（１２）に付設せず、前記シリンダユニッ
） （１Ｂ）に設けてもよく、或いは保持体（３３ａ）
、 （３３ｂ）に設けてもよい。Further, a connecting device (30) is attached to the forming tank (12), so that the forming tank (12) can be connected to the holder (33a) at the exchange position, that is, the middle position.This connecting device (
30 may not be attached to the forming tank (12), but may be provided to the cylinder unit (1B), or the holder (33a)
, (33b).
次に、成形型（２５ａ） 、 （２５ｂ）の交換手順を
説明する。Next, the procedure for replacing the molds (25a) and (25b) will be explained.
先ず、第２図に示す状態を基準状態と仮定する。この状
態では、保持体（３３ａ）内には成形型（２５ａ）はな
く、成形型（２５ａ）は昇降装置（１８）に保持され、
成形に使用されており、成形型（２５ａ）と交換する他
の成形型（２５ｂ）は下段の保持体（３３ｂ）に保持さ
れている。First, assume that the state shown in FIG. 2 is the reference state. In this state, there is no mold (25a) in the holder (33a), and the mold (25a) is held by the lifting device (18).
Another mold (25b) used for molding and to be replaced with the mold (25a) is held by a lower holder (33b).
斯る状態から昇降装置（１８）のシリンダユニット（２
０） 、（２４）を作動させ、成形型（２５ａ）を成形
槽（１２）の上方まで引き上げる。From this state, the cylinder unit (2) of the lifting device (18)
0) and (24) are activated to lift the mold (25a) above the molding tank (12).
次いで連結装置（３０にて成形槽（１２）と空の保持体
（３３ａ）とを連結し、第４図に示す如くシリンダユニ
ット（Ｉｌｌ）を駆動して成形槽（１２）及び保持体（
３３ａ）を図中左方へ一体的に移動し、保持体（３３ａ
）を昇降装置（１８）の下方、即ち成形部に位置せしめ
る。Next, the forming tank (12) and the empty holder (33a) are connected by the connecting device (30), and the cylinder unit (Ill) is driven as shown in FIG.
33a) to the left in the figure, and
) is located below the lifting device (18), that is, in the molding section.
この後、昇降装置（１８）を降下せしめ、成形型（２５
ａ）を保持板（３３ａ）内に収納し、昇降装置（１８）
の着脱装置（２３）による成形型（２５ａ）の保持状態
を解除し、再び昇降装置（１８）を上昇せしめる。そし
て、第５図に示す如くシリンダユニット（１６）に突出
動をなさしめ、成形槽（１２）を昇降装置（１８）の下
方に、成形型（２５ａ）を収納した保持体（３３ａ）を
成形型待機装置（１３）内にそれぞれ移動せしめる。After that, the lifting device (18) is lowered, and the mold (25) is lowered.
a) is stored in the holding plate (33a), and the lifting device (18)
The holding state of the mold (25a) by the attaching/detaching device (23) is released, and the elevating device (18) is raised again. Then, as shown in FIG. 5, the cylinder unit (16) is made to project, and the molding tank (12) is placed below the lifting device (18), and the holding body (33a) containing the mold (25a) is molded. They are each moved into the mold standby device (13).
而る後、連結装置（３４）による成形槽（１２）と保持
体（３３ａ）との連結状態を解除し、第６図に示す如く
、シリンダユニッ） （３１）を作動させ、保持体（３
３ａ）を上段に、保持体（３３ｂ）を交換位置である中
段にそれぞれ位置せしめる。After that, the connection between the molding tank (12) and the holder (33a) by the connecting device (34) is released, and as shown in FIG. 6, the cylinder unit (31) is operated and the holder (3
3a) at the upper stage, and the holder (33b) at the middle stage, which is the replacement position.
この後、連結装置によて成形槽（１２）と保持体（３３
ｂ）とを連続し、第７図に示す如く、シリンダユニット
（１８）を作動させ、成形槽（１２）と保持体（３３ｂ
）を一体重に図中左方へ移動せしめ、成形型（２５ｂ）
を収納した保持体（３３ｂ）を昇降装置（１８）の下方
に位置せしめる。After this, the forming tank (12) and the holding body (33) are connected by the connecting device.
b), the cylinder unit (18) is operated as shown in Fig. 7, and the forming tank (12) and the holder (33b
) to the left in the figure as one body, and press the mold (25b).
The holding body (33b) containing the is positioned below the lifting device (18).
そして、昇降装置（１８）を降下させて昇降装置（１８
）の着脱装置（２３）にて成形型（２５ｂ）を保持し、
この成形型（２５ｂ）を保持したまま昇降装Ｍ （１８
）を上昇させ、再びシリンダユニット（１１３）を作動
させ、成形槽（１２）を昇降装置ｔ（１８）の下方に、
保持体（３３ｂ）を待機装置（１３）内にそれぞれ移動
せしめ、次いで昇降装置（１８）を降下させて成形型（
２５ｂ）を成形槽（１２）内に入れ、金型（７）と成形
型（２５ｂ）との間で成形用の空間（Ｓ）を形成する。Then, the lifting device (18) is lowered and the lifting device (18) is lowered.
) holding the mold (25b) with the attachment/detachment device (23);
While holding this mold (25b), the elevator M (18
), the cylinder unit (113) is operated again, and the forming tank (12) is moved below the lifting device t (18).
The holders (33b) are each moved into the standby device (13), and then the lifting device (18) is lowered to remove the mold (
25b) is placed in the molding tank (12), and a molding space (S) is formed between the mold (7) and the mold (25b).
而して、成形型（２５ａ）と（２５ｂ）の交換が終了し
たこととなる。Thus, the exchange of molds (25a) and (25b) is completed.
尚、以上は本発明の実施例の一例を示したものであり、
実施例にあっては、１つの待機装置（１３）内に待機さ
せ得る成形型の数を２つとしたが、成形型の数は任意で
ある。また、待機装置（１３）内において、保持体（３
３ａ） 、 （３３ｂ）は昇降動することで交換位置（
中段）に位置するようにしたが、複数の保持体を水平方
向に離間して配置し、これら保持体を例えば図の紙面垂
直方向に移動せしめることで、任意の保持体を交換位置
に位置させるようにしてもよい、更に、本発明に係る交
換装置は発泡成形型の交換に限らず、各種型の交換に適
用することができる。Note that the above is an example of an embodiment of the present invention,
In the embodiment, the number of molds that can be made to stand by in one standby device (13) is two, but the number of molds is arbitrary. Further, in the standby device (13), the holding body (3
3a) and (33b) move up and down to the exchange position (
However, by arranging multiple holders horizontally apart and moving these holders, for example, in the direction perpendicular to the plane of the figure, any holder can be positioned at the replacement position. Furthermore, the exchanging device according to the present invention can be applied not only to exchanging foam molds but also to exchanging various types of molds.
（発明の効果）
以上に説明した如く本発明によれば、成形型の交換を人
手を煩わすことなく自動的にしかも短時間で行うことが
でき、作業効率を大巾に向上することができ、特に車両
用シートなどの多機種少量生産の成形品を得るのに極め
て有効であり、他の工程と組合せて例えば金型の加熱か
ら成形までを一連の工程にて行うことができる等多くの
効果を発揮する。(Effects of the Invention) As explained above, according to the present invention, molds can be replaced automatically and in a short time without any manual effort, and work efficiency can be greatly improved. It is particularly effective for producing molded products of various types and in small quantities, such as vehicle seats.It has many effects, such as being able to combine it with other processes, for example from heating the mold to forming, in a series of processes. demonstrate.
第１図は本発明に係る成形型の交換装置を適用した車両
用シートの製造装置の全体平面図、第２図は同製造装置
の発泡成形部の正面図、第３図は同発泡成形部の側面図
、第４図乃至第７図は成形型の交換手順を示す第２図と
同様の正面図である。
尚、図面中（１）は加熱部、（２）は粉末樹脂供給部、
（３）は発泡成形部、（７）は金型、（１２）は成形槽
、（１３）は成形型の待機装置、（１０は成形材料の供
給装置、（１５）は成形台、（１Ｂ）は昇降装置、（２
５ａ） 、 （２５ｂ）は成形型、（３３ａ） 、 （
３３ｂ）は成形型保持体、（３４）は連結装置である。Fig. 1 is an overall plan view of a vehicle seat manufacturing apparatus to which a mold changing device according to the present invention is applied, Fig. 2 is a front view of a foam molding section of the same manufacturing apparatus, and Fig. 3 is a front view of the foam molding section of the same manufacturing apparatus. The side view and FIGS. 4 to 7 are front views similar to FIG. 2 showing the mold replacement procedure. In addition, (1) in the drawing is a heating section, (2) is a powder resin supply section,
(3) is a foam molding section, (7) is a mold, (12) is a molding tank, (13) is a mold standby device, (10 is a molding material supply device, (15) is a molding table, (1B) ) is a lifting device, (2
5a), (25b) are molds, (33a), (
33b) is a mold holder, and (34) is a connecting device.
Claims (1)
形台に隣設される成形型の待機装置と、この待機装置に
対し接離動可能となるように成形台上に設けられた成形
槽と、前記待機装置内に移動可能に配設される成形型保
持体と、この成形型保持体と前記成形槽とを連結し、成
形槽の移動に伴ない成形型保持体を成形部と待機装置と
の間で移動せしめる連結機構と、前記成形部の近傍に配
設され且つ成形型の着脱機構を備えた昇降装置とからな
る成形型の交換装置。A molding table equipped with a supply device for molding materials such as resin, a mold standby device installed adjacent to this molding table, and a mold standby device installed on the molding table so as to be movable toward and away from the standby device. A molding tank, a mold holder movably disposed in the standby device, the mold holder and the molding tank are connected, and as the molding tank moves, the mold holder is moved to the molding section. A mold changing device comprising a coupling mechanism for moving between the mold and a standby device, and a lifting device disposed near the molding section and equipped with a mold attachment/detachment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13880484A JPS6116822A (en) | 1984-07-04 | 1984-07-04 | Apparatus for replacing mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13880484A JPS6116822A (en) | 1984-07-04 | 1984-07-04 | Apparatus for replacing mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6116822A true JPS6116822A (en) | 1986-01-24 |
| JPH0149093B2 JPH0149093B2 (en) | 1989-10-23 |
Family
ID=15230621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13880484A Granted JPS6116822A (en) | 1984-07-04 | 1984-07-04 | Apparatus for replacing mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6116822A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0248308U (en) * | 1988-09-30 | 1990-04-04 | ||
| JPH0248309U (en) * | 1988-09-30 | 1990-04-04 | ||
| JPH0250327U (en) * | 1988-09-30 | 1990-04-09 | ||
| CN105436384A (en) * | 2015-12-01 | 2016-03-30 | 中国重型机械研究院股份公司 | Die replacing vehicle |
-
1984
- 1984-07-04 JP JP13880484A patent/JPS6116822A/en active Granted
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0248308U (en) * | 1988-09-30 | 1990-04-04 | ||
| JPH0248309U (en) * | 1988-09-30 | 1990-04-04 | ||
| JPH0250327U (en) * | 1988-09-30 | 1990-04-09 | ||
| JPH0525860Y2 (en) * | 1988-09-30 | 1993-06-30 | ||
| JPH0525859Y2 (en) * | 1988-09-30 | 1993-06-30 | ||
| JPH0525858Y2 (en) * | 1988-09-30 | 1993-06-30 | ||
| CN105436384A (en) * | 2015-12-01 | 2016-03-30 | 中国重型机械研究院股份公司 | Die replacing vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0149093B2 (en) | 1989-10-23 |
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