JPH04250012A - Injection molding machine provided with feeder of coloring agent - Google Patents
Injection molding machine provided with feeder of coloring agentInfo
- Publication number
- JPH04250012A JPH04250012A JP29416890A JP29416890A JPH04250012A JP H04250012 A JPH04250012 A JP H04250012A JP 29416890 A JP29416890 A JP 29416890A JP 29416890 A JP29416890 A JP 29416890A JP H04250012 A JPH04250012 A JP H04250012A
- Authority
- JP
- Japan
- Prior art keywords
- coloring agent
- molding machine
- pump
- heating cylinder
- feed
- 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
- 239000003086 colorant Substances 0.000 title claims abstract description 37
- 238000001746 injection moulding Methods 0.000 title claims description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 239000012459 cleaning agent Substances 0.000 claims description 22
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000000465 moulding Methods 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract 4
- 239000003795 chemical substances by application Substances 0.000 abstract 4
- 238000005406 washing Methods 0.000 abstract 4
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000004040 coloring Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
- B29C45/1816—Feeding auxiliary material, e.g. colouring material
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） この発明は着色剤供給装置付き射出成形機に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to an injection molding machine with a colorant supply device.
（従来の技術）
例えば特公平１−１２７３０８号公報には着色剤供給装
置付き射出成形機が示される。この先行技術によれば、
加熱筒内に液体顔料を圧入する着色剤供給装置と液体洗
浄液を圧入する洗浄剤供給装置が設けられ、所望色の顔
料および洗浄剤がそれぞれの供給装置から供給される。(Prior Art) For example, Japanese Patent Publication No. 1-127308 discloses an injection molding machine equipped with a colorant supply device. According to this prior art,
A coloring agent supply device that presses a liquid pigment into the heating cylinder and a cleaning agent supply device that presses a liquid cleaning liquid are provided, and a pigment of a desired color and a cleaning agent are supplied from the respective supply devices.
しかるに、この従来装置にあっては、多色着色をする場
合、添付の図面第５図に示したように、着色剤の数に応
じてそれぞれ単独の供給装置、つまり独自のカラータン
ク１１０，１２０およびそれらの圧入ポンプ１１１，１
２１、供給導管１１２，１２２ならびに専用の注入バル
ブ１１５，１２５を必要とする。また、色替えに際して
は洗浄剤を加熱筒内に注入しなければならないので、洗
浄剤のためのタンク１００およびその圧入ポンプ１０１
、供給導管１０２ならびに注入バルブ１０５を必要とし
、部品点数も多く設備が大がかりとなり、色替えが煩雑
となるばかりでなく、着色剤の圧入ポンプ、供給導管お
よび注入バルブ等加熱筒までの流通経路の洗浄が必ずし
も満足のいくものとすることはできなかった。However, in this conventional apparatus, when coloring in multiple colors, as shown in FIG. and their press-fit pumps 111,1
21, requires supply conduits 112, 122 and dedicated injection valves 115, 125. Further, when changing the color, cleaning agent must be injected into the heating cylinder, so a tank 100 for the cleaning agent and its press pump 101 are required.
, a supply conduit 102 and an injection valve 105 are required, and the number of parts is large, making the equipment large-scale and color change complicated. Cleaning was not always satisfactory.
（発明が解決しようとする課題）
この発明はこのような従来技術の問題点を解決するため
に提案されたものであって、設備装置を簡略化し、経済
的な装置を提供することを目的とするものである。また
、この発明は、同時に、色替えを迅速に効率良く行うこ
とができる装置を提供することを目的とするものである
。(Problems to be Solved by the Invention) This invention was proposed to solve the problems of the prior art, and aims to simplify the equipment and provide an economical device. It is something to do. Another object of the present invention is to provide a device that can quickly and efficiently change colors.
（課題を解決しようとする手段）
すなわち、この発明は、射出成形機の加熱筒に洗浄剤ま
たは着色剤を注入する単一の注入バルブを設け、前記成
形機外には洗浄剤供給部と少なくとも一つの着色剤供給
部を選択的に切換える切換部を設けて、前記注入バルブ
と前記切換部とを圧入ポンプを介して接続したことを特
徴とする着色剤供給装置付き射出成形機に係わる。(Means for Solving the Problems) That is, the present invention provides a single injection valve for injecting a cleaning agent or a coloring agent into a heating cylinder of an injection molding machine, and a cleaning agent supply section and at least a cleaning agent supply section are provided outside the molding machine. The present invention relates to an injection molding machine with a colorant supply device, characterized in that a switching section for selectively switching one colorant supply section is provided, and the injection valve and the switching section are connected via a press-in pump.
（作用）
この発明では、洗浄剤供給部と少なくとも一つ特開平４
−２５００１２（２）
の着色剤供給部が、切換弁あるいは着脱自在な接続部材
等の切換部によって選択的に切換えられる。(Function) In this invention, the cleaning agent supply section and at least one
-250012 (2) The colorant supply section is selectively switched by a switching section such as a switching valve or a detachable connecting member.
そして、前記切換部は加熱筒に設けた注入バルブと圧入
ポンプを介して接続されており、切換部によって選択切
換された着色剤または洗浄剤は単一かつ共通の圧入ポン
プおよび注入バルブを経て加熱筒に供給される。The switching section is connected via an injection valve provided in the heating cylinder and a press-in pump, and the colorant or cleaning agent selected by the switching section is heated through a single and common press-in pump and injection valve. supplied to the cylinder.
特に、色替えに際しては、洗浄剤が切換選択されるわけ
であるが、該洗浄剤は先に使用された着色剤と共通の圧
入ポンプならびに供給導管および注入バルブ系統を流通
するものであるから、該流通経路を確実かつ効率良く洗
浄する。のみならず、洗浄剤は加熱筒内に流入して該筒
内の原料樹脂除去（パージ）も併せて行う。In particular, when changing colors, the cleaning agent is selected and the cleaning agent flows through the same press pump, supply conduit, and injection valve system as the previously used colorant. To reliably and efficiently clean the distribution route. In addition, the cleaning agent flows into the heating cylinder and also removes (purges) the raw resin inside the cylinder.
（実施例）
以下、添付の図面に従ってこの発明を説明すると、第１
図は着色剤供給装置付き射出成形機の一例を示す一部切
欠断面図、第２図はこの発明の一実施例を示す要部の断
面図、第３図は注入バルブの拡大断面図、第４図は他の
実施例の要部断面図である。(Example) The present invention will be described below with reference to the attached drawings.
The figure is a partially cutaway sectional view showing an example of an injection molding machine with a colorant supply device, FIG. 2 is a sectional view of essential parts showing an embodiment of the present invention, FIG. FIG. 4 is a sectional view of a main part of another embodiment.
第１図に図示した着色剤供給装置付き射出成形機１０に
おいて、符号１１は加熱筒、１２は加熱筒１１内に回転
かつ前後進可能に挿嵌したスクリュである。In the injection molding machine 10 with a colorant supply device shown in FIG. 1, the reference numeral 11 is a heating cylinder, and the reference numeral 12 is a screw inserted into the heating cylinder 11 so as to be rotatable and movable back and forth.
また、符号２０は原料ホッパを表し、２１はそのフィー
ド装置、２２はフィードスクリュ、２３はそのモータ、
２５は原料投入口である。Further, numeral 20 represents a raw material hopper, 21 is a feed device thereof, 22 is a feed screw, 23 is a motor thereof,
25 is a raw material input port.
そして、この発明の着色剤供給装置は、加熱筒１１に設
けられた単一の注入バルブ３０と、洗浄剤供給部５１と
着色剤供給部５２，５３を選択的に切り換える切換部５
０と、圧入ポンプ６０とから構成される。符号６５は供
給導管である。The colorant supply device of the present invention includes a single injection valve 30 provided in the heating cylinder 11, and a switching unit 5 that selectively switches between the cleaning agent supply unit 51 and the colorant supply units 52 and 53.
0 and a press-fit pump 60. Reference numeral 65 is a supply conduit.
注入バルブ３０は、図のように、前記原料投入口２５の
フィードゾーン前部のコンプレッションゾーンに近接す
る位置に設置され、例えば第３図に図示したような構造
を有する。すなわち、第３図の注入バルブ３０は、バル
ブボディ３１と、前記バルブボディ３１内に貫設された
スリーブ３２と、前記スリーブ３２内に前後動自在に嵌
挿されたバルブロッド３３と、前記バルブロッド３３を
前後動するエアシリンダ装置３４の各部より構成され、
バルブロッド先端の弁部３５が前記エアシリンダ装置３
４によって後退または前進することによって注入口３６
が開閉される。なお、第３図の符号３７は供給流体の流
入口、３８は逆止弁、３９は冷却用エアの流出入部であ
る。As shown in the figure, the injection valve 30 is installed at a position close to the compression zone in front of the feed zone of the raw material inlet 25, and has a structure as shown in FIG. 3, for example. That is, the injection valve 30 of FIG. 3 includes a valve body 31, a sleeve 32 extending through the valve body 31, a valve rod 33 fitted into the sleeve 32 so as to be movable back and forth, and the valve. Consists of various parts of an air cylinder device 34 that moves a rod 33 back and forth,
The valve portion 35 at the tip of the valve rod is connected to the air cylinder device 3.
4 by retracting or advancing the inlet 36.
is opened and closed. In addition, the reference numeral 37 in FIG. 3 is an inlet for supply fluid, 38 is a check valve, and 39 is an inflow and outflow port for cooling air.
切換部５０は、例えば第２図に図示したように、洗浄剤
供給部５１と着色剤供給部５２，５３（ここではいずれ
もタンクおよび導管部）を選択的に切り換える公知のロ
ータリー切換弁５５によって構成することができる。For example, as shown in FIG. 2, the switching section 50 is operated by a known rotary switching valve 55 that selectively switches between a cleaning agent supply section 51 and colorant supply sections 52 and 53 (here, both are a tank and a conduit section). Can be configured.
そして、切換弁５５と注入バルブ３０の流入口３７は圧
入ポンプ６０を介して供給導管６５によって接続される
。The switching valve 55 and the inlet 37 of the injection valve 30 are connected by a supply conduit 65 via a press pump 60.
第４図に図示した切換部は、これに対して着脱自在な接
続部材５６によって構成した例である。The switching section shown in FIG. 4 is an example in which a connecting member 56 is detachably attached thereto.
この接続部材５６はいわゆる公知の流体継手構造よりな
り、この図ではプラグ部材が切換部として使用されてい
る。従って、第４図の例では、洗浄剤供給部５１と着色
剤供給部５２、５３側にはソケット部材７１、７２、７
３が設けられる。ソケット部材は洗浄剤あるいは着色剤
供給用の導管に付設することができるほか、それらのカ
ートリッジタンクに直接形成することができる。この場
合にはいわばカセット交換方式というような形式となる
。第４図において第２図と共通する符号は第２図と同一
の部材を表す。This connecting member 56 has a so-called known fluid coupling structure, and in this figure, a plug member is used as a switching part. Therefore, in the example shown in FIG. 4, the socket members 71, 72, 7
3 is provided. The socket member can be attached to the conduit for supplying cleaning agent or coloring agent, or can be formed directly on the cartridge tank thereof. In this case, it becomes a so-called cassette exchange system. In FIG. 4, the same reference numerals as in FIG. 2 represent the same members as in FIG.
（効果）
以上図示し説明したように、この発明によれば、洗浄剤
供給部と少なくとも一つの着色剤供給部が、切換弁ある
いは着脱自在な接続部材等の切換部によって選択的に切
換えらえ、切換部によって選択切換された着色剤または
洗浄剤は単一かつ共通の圧入ポンプおよび注入バルブを
経て加熱筒に供給される。従って、多色着色の形成に際
しても従来のような多数の供給装置を付属することなく
、簡略な設備装置とすることができ、この種成形機とし
て極めて経済的な装置を提供することができるものであ
る。(Effects) As illustrated and explained above, according to the present invention, the cleaning agent supply section and at least one colorant supply section are selectively switched by a switching section such as a switching valve or a detachable connecting member. The coloring agent or cleaning agent selected by the switching unit is supplied to the heating cylinder through a single and common press-in pump and injection valve. Therefore, even when forming multi-colored materials, it is possible to use simple equipment without having to attach a large number of feeding devices as in the past, and it is possible to provide an extremely economical device for this type of molding machine. It is.
また、特に、色替えに際しては、洗浄剤が切換選択され
るわけであるが、該洗浄剤は先に使用された着色剤と共
通の圧入ポンプならびに供給導管および注入バルブ系統
を流通して、該流通経路を確実かつ効率良く洗浄すると
同時に、加熱筒内に流入して該筒内の原料樹脂除去（パ
ージ）も併せて行う。従って、この発明によれば、色替
えを迅速に効率良く行うことができる。In addition, especially when changing colors, the cleaning agent is switched and selected, and the cleaning agent flows through the same press pump, supply conduit, and injection valve system as the previously used colorant, and is then transferred to the colorant. At the same time, the flow path is reliably and efficiently cleaned, and at the same time, the resin flows into the heating cylinder to remove (purge) the raw resin inside the cylinder. Therefore, according to the present invention, color change can be performed quickly and efficiently.
第１図は着色剤供給装置付き射出成形機の一例を示す一
部切欠断面図、第２図はこの発明の一実施例を示す要部
の断面図、第３図は注入バルブの拡大断面図、第４図は
他の実施例の要部断面図、第５図は従来装置の断面図で
ある。
１０…着色剤供給装置付き射出成形機、１１…加熱筒、
１２…スクリュ、３０…注入バルブ、３３…バルブロッ
ド、３６…注入口、３７…流入口、５０…切換部、５１
…洗浄剤供給部、５２、５３…着色剤供給部、５５…ロ
ータリー切換弁、５６…接続部材、６０…圧入ポンプ、
６５…供給導管。Fig. 1 is a partially cutaway sectional view showing an example of an injection molding machine equipped with a colorant supply device, Fig. 2 is a sectional view of essential parts showing an embodiment of the present invention, and Fig. 3 is an enlarged sectional view of an injection valve. 4 is a sectional view of a main part of another embodiment, and FIG. 5 is a sectional view of a conventional device. 10... Injection molding machine with colorant supply device, 11... Heating cylinder,
12...Screw, 30...Injection valve, 33...Valve rod, 36...Inlet, 37...Inflow port, 50...Switching part, 51
...Cleaning agent supply section, 52, 53...Coloring agent supply section, 55...Rotary switching valve, 56...Connection member, 60...Pressure pump,
65... Supply conduit.
Claims (3)
を注入する単一の注入バルブを設け、前記成形機外には
洗浄剤供給部と少なくとも一つの着色剤供給部を選択的
に切換える切換部を設けて、前記注入バルブと前記切換
部とを圧入ポンプを介して接続したことを特徴とする着
色剤供給装置付き射出成形機。Claim 1: A single injection valve for injecting a cleaning agent or a coloring agent into a heating cylinder of an injection molding machine is provided, and a cleaning agent supply section and at least one coloring agent supply section are selectively provided outside the molding machine. 1. An injection molding machine with a colorant supply device, characterized in that a switching section for switching is provided, and the injection valve and the switching section are connected via a press-in pump.
よって構成されていることを特徴とする着色剤供給装置
付き射出成形機。2. An injection molding machine with a colorant supply device according to claim 1, wherein the switching section is constituted by a switching valve.
な接続部材によって構成されていることを特徴とする着
色剤供給装置付き射出成形機。3. An injection molding machine with a colorant supply device according to claim 1, wherein the switching section is constituted by a detachable connecting member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294168A JP2673972B2 (en) | 1990-10-30 | 1990-10-30 | Injection molding machine with colorant supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2294168A JP2673972B2 (en) | 1990-10-30 | 1990-10-30 | Injection molding machine with colorant supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04250012A true JPH04250012A (en) | 1992-09-04 |
| JP2673972B2 JP2673972B2 (en) | 1997-11-05 |
Family
ID=17804196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2294168A Expired - Lifetime JP2673972B2 (en) | 1990-10-30 | 1990-10-30 | Injection molding machine with colorant supply device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2673972B2 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH079490A (en) * | 1993-06-23 | 1995-01-13 | Seikosha Co Ltd | Injection molding equipment |
| JPH07148779A (en) * | 1993-11-30 | 1995-06-13 | Seikosha Co Ltd | Injection molding equipment |
| WO1999012721A1 (en) * | 1997-09-05 | 1999-03-18 | Basf Aktiengesellschaft | Method for producing dyed moulding materials |
| EP1327512A1 (en) * | 2002-01-15 | 2003-07-16 | Krauss-Maffei Kunststofftechnik GmbH | Method of producing impact resistance modified thermoplastic resin objects |
| WO2012016715A3 (en) * | 2010-08-06 | 2012-04-05 | Sumitomo (Shi) Demag Plastics Machinery Gmbh | Plasticiser unit for an injection moulding machine, an extruder or the like and liquid feed device provided therefor |
| US9748492B2 (en) | 2012-11-02 | 2017-08-29 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent device |
-
1990
- 1990-10-30 JP JP2294168A patent/JP2673972B2/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH079490A (en) * | 1993-06-23 | 1995-01-13 | Seikosha Co Ltd | Injection molding equipment |
| JPH07148779A (en) * | 1993-11-30 | 1995-06-13 | Seikosha Co Ltd | Injection molding equipment |
| WO1999012721A1 (en) * | 1997-09-05 | 1999-03-18 | Basf Aktiengesellschaft | Method for producing dyed moulding materials |
| EP1327512A1 (en) * | 2002-01-15 | 2003-07-16 | Krauss-Maffei Kunststofftechnik GmbH | Method of producing impact resistance modified thermoplastic resin objects |
| WO2012016715A3 (en) * | 2010-08-06 | 2012-04-05 | Sumitomo (Shi) Demag Plastics Machinery Gmbh | Plasticiser unit for an injection moulding machine, an extruder or the like and liquid feed device provided therefor |
| CN103052484A (en) * | 2010-08-06 | 2013-04-17 | 住友（Shi）德马格塑料机械有限公司 | Plasticizing units for injection molding machines, extruders, etc. and liquid feeds provided therefor |
| JP2013533145A (en) * | 2010-08-06 | 2013-08-22 | スミトモ （エスエイチアイ） デマーク プラスチックス マシナリー ゲーエムベーハー | Plasticizing units such as injection molding machines and extrusion machines, and liquid supply devices provided therefor |
| JP2015231746A (en) * | 2010-08-06 | 2015-12-24 | スミトモ （エスエイチアイ） デマーク プラスチックス マシナリー ゲーエムベーハー | Plasticizing units such as injection molding machines and extrusion machines |
| US9748492B2 (en) | 2012-11-02 | 2017-08-29 | Idemitsu Kosan Co., Ltd. | Organic electroluminescent device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2673972B2 (en) | 1997-11-05 |
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