JPS6111174B2 - - Google Patents
Info
- Publication number
- JPS6111174B2 JPS6111174B2 JP55151961A JP15196180A JPS6111174B2 JP S6111174 B2 JPS6111174 B2 JP S6111174B2 JP 55151961 A JP55151961 A JP 55151961A JP 15196180 A JP15196180 A JP 15196180A JP S6111174 B2 JPS6111174 B2 JP S6111174B2
- Authority
- JP
- Japan
- Prior art keywords
- die plate
- mold clamping
- movable
- tie
- tail stock
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 claims description 4
- 230000003321 amplification Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 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
- B29C45/76—Measuring, controlling or regulating
- B29C45/7653—Measuring, controlling or regulating mould clamping forces
-
- 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
- B29C45/1751—Adjustment means allowing the use of moulds of different thicknesses
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Description
【発明の詳細な説明】
本発明はトグル式型締装置における増締方法の
改良に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a retightening method in a toggle type mold clamping device.
一般にトグル機構を介して型締を行うようにし
た射出成形機等の型締装置においては、型締時に
トグル機構が伸長した状態において所定の型締力
を発生するようにするために、金型の厚さに応じ
てタイバーのタイナツトを増締して、テールスト
ツクの位置を微調整する必要がある。 Generally, in a mold clamping device such as an injection molding machine that clamps the mold via a toggle mechanism, in order to generate a predetermined mold clamping force when the toggle mechanism is extended during mold clamping, It is necessary to fine-tune the position of the tail stock by tightening the tie nut of the tie bar according to the thickness of the tail stock.
このため従来は、金型交換時にその都度金型の
厚さを測定し、成形機等に貼付した型締力設定表
により、金型の厚さに応じて増締量を決定してい
たので、型厚調整に手間がかかり、作業能率を低
下させ、しかも正確な型締力を得ることが困難で
あつた。 For this reason, conventionally, the thickness of the mold was measured each time the mold was replaced, and the tightening amount was determined according to the mold thickness using a mold clamping force setting table attached to the molding machine. However, adjusting the mold thickness took time and effort, reducing work efficiency and making it difficult to obtain accurate mold clamping force.
本発明はこのような点に鑑みてなされたもので
演算装置によつてデジタルで所定の型締力を設定
すると共に、タイバーの移動側タイナツトを駆動
して、該タイナツトと連動するスリツト板を回転
させ、該スリツト板の通孔を通過する光線を光電
式カウンターによつて捕捉し、パルス信号として
演算機能を有する装置、例えばマイコン装置に送
り演算して増締を行うことを特徴とするトグル式
型締装置における増締方法を提供するものであ
る。 The present invention has been made in view of the above points, and uses a calculation device to digitally set a predetermined mold clamping force, and also drives the movable tie nut of the tie bar to rotate the slit plate that is interlocked with the tie nut. The toggle type is characterized in that the light beam passing through the hole in the slit plate is captured by a photoelectric counter, and sent as a pulse signal to a device having a calculation function, such as a microcomputer device, for calculation and retightening. The present invention provides a method for retightening a mold clamping device.
本発明の実施例を図面によつて説明すれば、公
知のように、テールストツク１と固定ダイプレー
ト２とを、それらの隅部において４本のタイバー
３によつて連結すると共に、テールストツク１と
固定ダイプレート２の間に移動ダイプレート４を
配設し、前記タイバー３を案内として移動可能に
してある。５はトグル機構で、相互に屈折自在に
連結した１対のリンク６，７を有し、一方のリン
グ６の端部をテールストツク１における移動ダイ
プレート４との対向面に回動自在に枢着すると共
に他方のリンク７の端部を移動ダイプレート４に
おけるテールストツク１との対向面に回動自在に
枢着し、両リンク６，７の連続部を別のリンク８
を介してクロスヘツド９に連結し、該クロスヘツ
ド９をテールストツク１の背面に設けた型締シリ
ンダー１０のピストンロツド１１の先端に固着し
てある。タイバー３の一端部には適宜長さに亘つ
て雄ねじ１２を螺設し、テールストツク１を貫通
してその背面において移動側タイナツト１３を螺
合させてある。 An embodiment of the present invention will be described with reference to the drawings. As is well known, a tail stock 1 and a fixed die plate 2 are connected at their corners by four tie bars 3, and A movable die plate 4 is disposed between the die plates 2 and is movable using the tie bars 3 as a guide. Reference numeral 5 denotes a toggle mechanism, which has a pair of links 6 and 7 that are refractably connected to each other, and the end of one ring 6 is rotatably pivoted to the surface of the tail stock 1 facing the movable die plate 4. At the same time, the end of the other link 7 is rotatably connected to the surface of the movable die plate 4 facing the tail stock 1, and the continuous portion of both links 6 and 7 is connected to another link 8.
The crosshead 9 is fixed to the tip of a piston rod 11 of a mold clamping cylinder 10 provided on the back side of the tail stock 1. A male thread 12 is threaded over an appropriate length into one end of the tie bar 3, and passes through the tail stock 1, and a movable tie nut 13 is threaded onto the back surface thereof.
１４は移動側タイナツト１３に固着したチエン
ホイールで、チエン１５を介して各移動側タイナ
ツト１３を連動するようにしてある。１３′はタ
イバー３の他端部に螺合した固定側タイナツトで
ある。１６は移動締付ナツト１３の先端部に固着
した歯車で、小歯車１７に歯合させ、該小歯車１
７をテールストツク１に取付けたブレーキモータ
ー１８のモーター軸に固着してある。１９は歯車
１６の前面に一体的に固着した円板状のスリツト
板で、その周辺部に多数の通孔２０を等間隔毎に
穿設してある。２１はスリツト板１９の周辺部に
近接させて、その外周方に配設した光電式カウン
ターで、適宜の配線２２を介して演算機能を有す
る装置、例えばマイコン装置２３に接続してあ
る。 Reference numeral 14 denotes a chain wheel fixed to the movable tie nuts 13, and the movable tie nuts 13 are interlocked via a chain 15. Reference numeral 13' denotes a fixed tie nut screwed onto the other end of the tie bar 3. 16 is a gear fixed to the tip of the movable tightening nut 13, which meshes with the pinion 17;
7 is fixed to the motor shaft of a brake motor 18 attached to the tail stock 1. Reference numeral 19 denotes a disc-shaped slit plate integrally fixed to the front surface of the gear 16, and a large number of through holes 20 are bored at equal intervals around the periphery thereof. Reference numeral 21 denotes a photoelectric counter disposed on the outer periphery of the slit plate 19 in close proximity to the periphery of the slit plate 19, and is connected via appropriate wiring 22 to a device having an arithmetic function, such as a microcomputer device 23.
上記のように構成した実施例についてその作用
を説明すれば、公知のように固定ダイプレート２
及び移動ダイプレート４の対向面に夫々金型
D1，D2を取付け、型締シリンダー１０を駆動し
て、トグル機構５を介して型締を行うものである
が、本発明においては、金型D1，D2を取付けた
後、演算装置２３により所定の型締力をデジタル
で設定すると共に、ブレーキモーター１８を駆動
して移動側タイナツト１３を弛め、テールストツ
ク１、トグル機構５及び移動ダイプレート４より
なる型締ユニツトをタイバー３の後端まで後退さ
せて後退位置検出器、例えばリミツトスイツチに
当接させて停止させ、次に型締シリンダー１０を
駆動してトグル機構５を伸長させて移動ダイプレ
ート４を型締方向に前進させ、トグル機構５が完
全に伸張した後ブレーキモーター１８を前進方向
に駆動して移動側タイナツト１３を回転させ、こ
れと一体のスリツト板１９を連動させれば、該ス
リツト板１９の回転に伴つて通孔２０を通過する
光線を光電式カウンター２１で捕捉し、発光する
パルス信号を電線２２を介して演算装置２３に送
り、予め設定した所定の型締力と比較し、金型の
厚さを勘案して演算し、設定型締力に対応する量
の増締を行う。 To explain the operation of the embodiment configured as described above, as is known, the fixed die plate 2
and a mold on the opposing surface of the moving die plate 4, respectively.
D 1 and D 2 are attached, the mold clamping cylinder 10 is driven, and the mold is clamped via the toggle mechanism 5. However, in the present invention, after the molds D 1 and D 2 are attached, the calculation is performed. A predetermined mold clamping force is digitally set by the device 23, and the brake motor 18 is driven to loosen the movable tie nut 13, and the mold clamping unit consisting of the tail stock 1, toggle mechanism 5, and movable die plate 4 is connected to the tie bar 3. It is moved backward to the rear end and brought into contact with a backward position detector, for example, a limit switch, and stopped. Next, the mold clamping cylinder 10 is driven to extend the toggle mechanism 5 and the movable die plate 4 is advanced in the mold clamping direction. After the toggle mechanism 5 is fully extended, the brake motor 18 is driven in the forward direction to rotate the movable tie nut 13, and the slit plate 19 integrated therewith is interlocked. The light beam passing through the hole 20 is captured by a photoelectric counter 21, and the emitted pulse signal is sent to a calculation device 23 via an electric wire 22, and compared with a predetermined mold clamping force set in advance, taking into account the thickness of the mold. The mold clamping force is calculated and additional tightening is performed by the amount corresponding to the set mold clamping force.
上記の諸作動は、演算装置２３によつて所定の
型締力を設定するだけで、総て自動的に行われ
る。 All of the above operations are automatically performed by simply setting a predetermined mold clamping force using the arithmetic unit 23.
即ち、：型締ユニツトの後退端における移動
締付ナツトと固定締付ナツト間のタイ
バーの長さに相当するパルス数。 That is: the number of pulses corresponding to the length of the tie bar between the movable clamping nut and the fixed clamping nut at the retreating end of the mold clamping unit.
′：型締ユニツトが後退端よりスタート
し、雌雄の金型のパーテイング面が接
触するところまでに相当するパルス
数。 ': The number of pulses equivalent to when the mold clamping unit starts from the retreat end and reaches the point where the parting surfaces of the male and female molds come into contact.
Po：設定型締力
△：増締量に相当するパルス数
Ｋ：一定の係数
Ｃ：定数とすれば、
△＝Ｋ（−′／）Po＋Ｃ
によつて表わされる増締量によつて増締が行われ
る。 Po: Set mold clamping force △: Number of pulses corresponding to the amount of additional tightening K: Constant coefficient C: If it is a constant, then △=K(-'/)Po+C Retightening is performed by the amount of additional tightening expressed as will be held.
上述のように本発明においては、金型交換時に
交換すべき金型を夫々固定ダイプレート及び移動
ダイプレートに取付けた後、演算装置によつて所
定の型締力を設定し、各タイバーのテールストツ
ク側に螺合した移動側タイナツトを駆動して、テ
ールストツク、トグル機構及び移動ダイプレート
よりなる型締ユニツトを後退させて後退完了位置
において停止させ、次にトグル機構を伸張して移
動ダイプレートを型締方向に前進させトグル機構
が伸張しきつた後、移動側タイナツトを駆動して
該移動側タイナツトに一体的に固着して周辺部に
多数の通孔を穿設したスリツト板を連動させ、該
通孔を通過する光線を光電式カウンターによつて
捕捉してパルス信号として前記の演算装置に送
り、予め設定されてある型締力と演算して自動的
に増締を行うので、演算装置によつて所定の型締
力を設定するだけで、自動的に正確な増締を行う
ことができ、金型交換時の型厚調整に手間がかか
らず作業能率を著しく向上することができるもの
である。 As described above, in the present invention, after the molds to be replaced at the time of mold replacement are attached to the fixed die plate and the movable die plate, a predetermined mold clamping force is set by the calculation device, and the tail stock of each tie bar is adjusted. The movable tie nut screwed to the side is driven to retract the mold clamping unit consisting of the tail stock, toggle mechanism and movable die plate and stop it at the complete retraction position, and then the toggle mechanism is extended to move the movable die plate to the mold. After the toggle mechanism is fully extended by moving the toggle forward in the tightening direction, the movable tie nut is driven to interlock the slit plate which is integrally fixed to the movable tie nut and has a large number of through holes in its periphery. The light beam passing through the through hole is captured by a photoelectric counter and sent as a pulse signal to the above-mentioned computing device, which calculates it with the preset mold clamping force and automatically tightens the mold. Therefore, by simply setting a predetermined mold clamping force, accurate tightening can be performed automatically, and work efficiency can be significantly improved without the hassle of adjusting mold thickness when replacing molds. It is.
図面は本発明の増幅方法を実施するための装置
の概略を示すもので、第１図は全体平面図、第２
図は要部の説明図、第３図はスリツト板の正面図
である。
１…テールストツク、２…固定ダイプレート、
３…タイバー、４…移動ダイプレート、５…トグ
ル機構、１３…移動締付ナツト、１９…スリツト
板、２０…通孔、２１…光電式カウンター、２３
…演算装置。
The drawings schematically show an apparatus for carrying out the amplification method of the present invention, and FIG. 1 is an overall plan view, and FIG.
The figure is an explanatory view of the main parts, and FIG. 3 is a front view of the slit plate. 1...Tail stock, 2...Fixed die plate,
3... Tie bar, 4... Moving die plate, 5... Toggle mechanism, 13... Moving tightening nut, 19... Slit plate, 20... Through hole, 21... Photoelectric counter, 23
...Arithmetic device.
Claims (1)
本のタイバーで連結すると共に、該タイバーを案
内として、テールストツクと固定ダイプレート間
に移動ダイプレートを移動可能に配設し、移動ダ
イプレートをトグル機構を介して駆動して型締を
行うようにした装置において、金型交換時に、交
換すべき金型を夫々固定ダイプレート及び移動ダ
イプレートに取り付けた後、演算装置によつて所
定の型締力を設定すると共に、各タイバーのテー
ルストツク側端部に螺合した移動側タイナツトを
駆動して、テールストツク、トグル機構及び移動
ダイプレートによりなる型締ユニツトを後退させ
て後退完了位置において停止させ、次にトグル機
構を伸張して移動ダイプレートを型締方向に前進
させ、トグル機構が伸張しきつた後、移動側タイ
ナツトを駆動して、該移動側タイナツトに一体的
に固着して周辺部に多数の通孔を穿設したスリツ
ト板を連動させ、該通孔を通過する光線を光電式
カウンターによつて捕捉してパルス信号として前
記の演算装置に送り、演算機能をする装置によつ
て測長演算して自動的に増締を行うことを特徴と
するトグル式型締装置における自動増締方法。1. A tail stock and a fixed die plate are connected by a plurality of tie bars, and a movable die plate is movably disposed between the tail stock and the fixed die plate using the tie bars as a guide, and the movable die plate is connected via a toggle mechanism. In a device that performs mold clamping by driving, when exchanging molds, after attaching the molds to be replaced to a fixed die plate and a movable die plate, respectively, a predetermined mold clamping force is set by a calculation device. At the same time, the movable tie nut screwed onto the tail stock side end of each tie bar is driven to retract the mold clamping unit consisting of the tail stock, toggle mechanism and movable die plate and stop it at the complete retraction position, and then the toggle mechanism is activated. The movable die plate is extended and moved forward in the mold clamping direction, and after the toggle mechanism is fully extended, the movable tie nut is driven and is integrally fixed to the movable tie nut to form a large number of through holes in the periphery. The drilled slit plates are interlocked, and the light beam passing through the hole is captured by a photoelectric counter and sent as a pulse signal to the above-mentioned calculation device, and the length is calculated by the calculation function device automatically. An automatic retightening method for a toggle type mold clamping device, which is characterized by performing retightening automatically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15196180A JPS5774136A (en) | 1980-10-28 | 1980-10-28 | Automatic mold clamping method for toggle type clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15196180A JPS5774136A (en) | 1980-10-28 | 1980-10-28 | Automatic mold clamping method for toggle type clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5774136A JPS5774136A (en) | 1982-05-10 |
| JPS6111174B2 true JPS6111174B2 (en) | 1986-04-01 |
Family
ID=15529991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15196180A Granted JPS5774136A (en) | 1980-10-28 | 1980-10-28 | Automatic mold clamping method for toggle type clamping device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5774136A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0212809U (en) * | 1988-07-07 | 1990-01-26 | ||
| JP2794224B2 (en) * | 1991-01-16 | 1998-09-03 | ファナック株式会社 | Mold thickness adjustment method |
| JP7248973B2 (en) * | 2019-01-30 | 2023-03-30 | キョーラク株式会社 | molding equipment |
| TW202033338A (en) * | 2019-01-30 | 2020-09-16 | 日商京洛股份有限公司 | Molding device and system for producing molded article |
| JP7317308B2 (en) * | 2019-01-30 | 2023-07-31 | キョーラク株式会社 | molding equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4852853A (en) * | 1971-11-01 | 1973-07-25 | ||
| JPS503466A (en) * | 1973-05-10 | 1975-01-14 | ||
| JPS5034350A (en) * | 1973-07-30 | 1975-04-02 | ||
| JPS5374563A (en) * | 1976-12-15 | 1978-07-03 | Niigata Engineering Co Ltd | Apparatus for automatic control of mold thickness |
-
1980
- 1980-10-28 JP JP15196180A patent/JPS5774136A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4852853A (en) * | 1971-11-01 | 1973-07-25 | ||
| JPS503466A (en) * | 1973-05-10 | 1975-01-14 | ||
| JPS5034350A (en) * | 1973-07-30 | 1975-04-02 | ||
| JPS5374563A (en) * | 1976-12-15 | 1978-07-03 | Niigata Engineering Co Ltd | Apparatus for automatic control of mold thickness |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5774136A (en) | 1982-05-10 |
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