JPS61244520A - Motor-driven injection molding machine - Google Patents

Motor-driven injection molding machine

Info

Publication number
JPS61244520A
JPS61244520A JP8703385A JP8703385A JPS61244520A JP S61244520 A JPS61244520 A JP S61244520A JP 8703385 A JP8703385 A JP 8703385A JP 8703385 A JP8703385 A JP 8703385A JP S61244520 A JPS61244520 A JP S61244520A
Authority
JP
Japan
Prior art keywords
screw
shaft
electric motor
revolving
injection molding
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.)
Pending
Application number
JP8703385A
Other languages
Japanese (ja)
Inventor
Michinori Tanaka
田中　道則
Saburo Sakauchi
坂内　三郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shibaura Machine Co Ltd
Original Assignee
Toshiba Machine Co Ltd
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 Toshiba Machine Co Ltd filed Critical Toshiba Machine Co Ltd
Priority to JP8703385A priority Critical patent/JPS61244520A/en
Publication of JPS61244520A publication Critical patent/JPS61244520A/en
Pending legal-status Critical Current

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
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/47—Means for plasticising or homogenising the moulding material or forcing it into the mould using screws
    • B29C45/50—Axially movable screw
    • B29C45/5008—Drive means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

PURPOSE:To make the titled injection molding machine into one which does not become expensive even if a comparatively large capacity electric motor is used, by performing driving of injection action and mold clamping action by making use of two pieces of tiny motor-driven servomotors. CONSTITUTION:A shaft end of a screw 12 is fitted in a revolving shaft 13 and the revolving shaft 13 harmonizes with a revolving and advance or retreat action of the screw 12. 14 is a member bearing the revolving shaft 13 revolvably and screwing with a shaft 16 transmitting power of an electric motor 15 such as a servomotor fitted to a stationary member 19. Then when the shaft 16 is revolved positively or reversely by the electric motor 15, the member 14 moves in the lateral direction and the screw 12 connected with the member 14 advances and retreats within a barrel 11. 17 is an electric motor for revolving the screw 12 and the revolving shaft 13, that is, the screw 12 is revolved by a timing belt 18. As a plurality of units of tiny servomotors is used by making use of a large servomotor as above, the titled machine can be made inexpensive, tiny and light in weight.

Description

【発明の詳細な説明】 〔発明の属する技術分野〕 本発明は電動機駆動射出成形機に関する。[Detailed description of the invention] [Technical field to which the invention pertains] The present invention relates to a motor-driven injection molding machine.

〔従来技術とその欠点〕[Prior art and its drawbacks]

この種の電動機駆動による射出成形機は従来の油圧駆動
の射出成形機と比ベエネルギー効率が良くしかも速度や
圧力制御のための応答性が優れていることから精度の高
い制御が行うことが出来最近多用されるようになった。This type of electric motor-driven injection molding machine is more energy efficient than conventional hydraulically driven injection molding machines, and has excellent responsiveness for speed and pressure control, allowing for highly accurate control. Recently, it has become widely used.

しかし価格が非常に高く、ドライバー、アンプ等の価格
も考慮した場合、容量が大きくｈると価格は急激に大巾
に上昇する。従って容量が大きい電動機を用いた射出成
形機は容量の小さい電動機を用いた射出成形機に比べ非
常に高価となった。However, the price is very high, and if you also take into account the prices of drivers, amplifiers, etc., the price will rise rapidly if the capacity is large. Therefore, injection molding machines using large capacity electric motors have become much more expensive than injection molding machines using small capacity electric motors.

〔発明の目的〕[Purpose of the invention]

本発明の目的は前述のような欠点を取除き、比較的大き
な容量の電動機を用いても高価とならない射出成形機を
提供するものである。SUMMARY OF THE INVENTION An object of the present invention is to eliminate the above-mentioned drawbacks and to provide an injection molding machine that is not expensive even if it uses a relatively large capacity electric motor.

〔発明の要点〕[Key points of the invention]

前述の目的を達成するため、１個の電動サーボモータの
容量に相当する少くとも価格的に安価である小型の２個
の電動サーボモータケ用いて射出動作駆動および型締動
作駆動を行わせる射出成形機とした。In order to achieve the above-mentioned object, an injection molding machine uses two small electric servo motors, which have the capacity of one electric servo motor and are at least inexpensive, to drive the injection operation and the mold clamping operation. And so.

〔実施例］ 次に本発明の１実施例を第１図ないし第３図により説明
すると、１１はバレルでスクリュ１２が回転可能に軸方
向に進退可能に挿着されている。[Embodiment] Next, an embodiment of the present invention will be described with reference to FIGS. 1 to 3. Reference numeral 11 denotes a barrel in which a screw 12 is inserted so as to be rotatable and movable in the axial direction.

Ｉ３は回転軸で前記スクリュ１２の軸端が嵌挿されてい
てスクリュ１２の回転および進退動作に同調するもので
ある。１４は前記回転軸１３を回転可能に支承する部材
で固定部材１９に取付られたサーボモータ等の電動機１
５の動力を伝える軸１６と螺合している。従って軸１６
が電動機１５によって正逆回転すると、前記部材１４が
図中左右方向に進退し、これに連結されたスクリュ１２
がバ１／ル１１内を進退する。１７はスクリュ１２を回
転させるための電動機でタイミングベルト１８により前
記回転軸１３、即ちスクリュ１２’？回転させるように
なっている。I3 is a rotating shaft into which the shaft end of the screw 12 is fitted, and synchronizes with the rotation and forward/backward movement of the screw 12. 14 is a member that rotatably supports the rotating shaft 13, and is an electric motor 1 such as a servo motor attached to a fixed member 19.
It is screwed together with a shaft 16 that transmits the power of 5. Therefore axis 16
When the member 14 is rotated forward and backward by the electric motor 15, the member 14 moves forward and backward in the left and right directions in the figure, and the screw 12 connected thereto
move forward and backward within Barrel 1/Bar 11. Reference numeral 17 denotes an electric motor for rotating the screw 12, and a timing belt 18 rotates the rotating shaft 13, that is, the screw 12'? It is designed to rotate.

〔作用効果〕[Effect]

以−Ｆ説明したように、１個の大型サーボモータを使用
するより小型のサーボモータを複数台使用したので安価
で、しかも組立ユニットが小さく軽量化する等の特色が
ある。As explained below, since a plurality of small servo motors are used instead of one large servo motor, it is cheaper, and the assembled unit is smaller and lighter.

【図面の簡単な説明】 第１図ないし第３図は本発明による１実施例を示す図で
、第１図はその平面図。第２図は側面図。 第３図は背面図。 １２・・・スクリュ、１３・・・回転軸、１４・・・部
材、１５．１７・・・電動機、１６・・・軸、１９・・
・固定部材。BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 3 are views showing one embodiment of the present invention, and FIG. 1 is a plan view thereof. Figure 2 is a side view. Figure 3 is a rear view. 12...Screw, 13...Rotating shaft, 14...Member, 15.17...Electric motor, 16...Shaft, 19...
・Fixed member.

Claims (1)

【特許請求の範囲】[Claims] 電動機の回転運動をネジ伝達機構又はリンク機構により
直線運動又はその近似運動に変換して駆動系に伝達する
射出成形機において、型締動作駆動系および射出動作駆
動系の夫々、あるいはいづれか１方の動作駆動系に少く
とも２台の電動サーボモータを備えたことを特徴とする
電動機駆動射出成形機。In an injection molding machine that converts the rotational motion of an electric motor into linear motion or an approximate motion thereof using a screw transmission mechanism or a link mechanism and transmits it to the drive system, each of the mold clamping operation drive system and the injection operation drive system, or either one of the An electric motor-driven injection molding machine characterized in that an operation drive system includes at least two electric servo motors.
JP8703385A 1985-04-23 1985-04-23 Motor-driven injection molding machine Pending JPS61244520A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8703385A JPS61244520A (en) 1985-04-23 1985-04-23 Motor-driven injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8703385A JPS61244520A (en) 1985-04-23 1985-04-23 Motor-driven injection molding machine

Publications (1)

Publication Number Publication Date
JPS61244520A true JPS61244520A (en) 1986-10-30

Family

ID=13903637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8703385A Pending JPS61244520A (en) 1985-04-23 1985-04-23 Motor-driven injection molding machine

Country Status (1)

Country Link
JP (1) JPS61244520A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS637924A (en) * 1986-06-30 1988-01-13 Fanuc Ltd Straight-hydraulic mold clamping mechanism
JPS6342826A (en) * 1986-08-11 1988-02-24 Fanuc Ltd Mold clamping device in injection molder
WO2000020187A1 (en) * 1998-10-06 2000-04-13 Mitsubishi Heavy Industries, Ltd. Motor-driven injection drive device for injection molding machine
JP2006315072A (en) * 2005-05-16 2006-11-24 Toyo Mach & Metal Co Ltd Die casting machine
JP2006315051A (en) * 2005-05-13 2006-11-24 Toyo Mach & Metal Co Ltd Die casting machine
CN106132592A (en) * 2014-04-07 2016-11-16 东洋机械金属株式会社 Electric press casting machine
CN106163696A (en) * 2014-04-07 2016-11-23 东洋机械金属株式会社 Electric press casting machine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5716291B2 (en) * 1975-05-19 1982-04-03
JPS592827A (en) * 1982-06-30 1984-01-09 Nissei Plastics Ind Co Retaining method of force for electric injection molding machine
JPS60125618A (en) * 1983-12-13 1985-07-04 Fanuc Ltd Driving device of injection mechanism in injection molding machine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5716291B2 (en) * 1975-05-19 1982-04-03
JPS592827A (en) * 1982-06-30 1984-01-09 Nissei Plastics Ind Co Retaining method of force for electric injection molding machine
JPS60125618A (en) * 1983-12-13 1985-07-04 Fanuc Ltd Driving device of injection mechanism in injection molding machine

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS637924A (en) * 1986-06-30 1988-01-13 Fanuc Ltd Straight-hydraulic mold clamping mechanism
JPS6342826A (en) * 1986-08-11 1988-02-24 Fanuc Ltd Mold clamping device in injection molder
WO2000020187A1 (en) * 1998-10-06 2000-04-13 Mitsubishi Heavy Industries, Ltd. Motor-driven injection drive device for injection molding machine
US6386853B1 (en) 1998-10-06 2002-05-14 Mitsubishi Heavy Industries, Ltd. Motor-driven injection driving apparatus for an injection molding machine
JP2006315051A (en) * 2005-05-13 2006-11-24 Toyo Mach & Metal Co Ltd Die casting machine
JP4614819B2 (en) * 2005-05-13 2011-01-19 東洋機械金属株式会社 Die casting machine
JP2006315072A (en) * 2005-05-16 2006-11-24 Toyo Mach & Metal Co Ltd Die casting machine
CN106132592A (en) * 2014-04-07 2016-11-16 东洋机械金属株式会社 Electric press casting machine
CN106163696A (en) * 2014-04-07 2016-11-23 东洋机械金属株式会社 Electric press casting machine

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