JPH08150622A - Feed device for molding material - Google Patents

Feed device for molding material

Info

Publication number
JPH08150622A
JPH08150622A JP6297209A JP29720994A JPH08150622A JP H08150622 A JPH08150622 A JP H08150622A JP 6297209 A JP6297209 A JP 6297209A JP 29720994 A JP29720994 A JP 29720994A JP H08150622 A JPH08150622 A JP H08150622A
Authority
JP
Japan
Prior art keywords
molding material
feeder
amount
molding
chute
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.)
Withdrawn
Application number
JP6297209A
Other languages
Japanese (ja)
Inventor
Shigeki Yasuhara
茂樹 安原
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP6297209A priority Critical patent/JPH08150622A/en
Publication of JPH08150622A publication Critical patent/JPH08150622A/en
Withdrawn legal-status Critical Current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
    • B29C45/18—Feeding the material into the injection moulding apparatus, i.e. feeding the non-plastified material into the injection unit
    • 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
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • 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
    • B29C2045/1891—Means for detecting presence or level of raw material inside feeding ducts, e.g. level sensors inside hoppers
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92009—Measured parameter
    • B29C2948/92076—Position, e.g. linear or angular
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92323—Location or phase of measurement
    • B29C2948/92466—Auxiliary unit, e.g. for external melt filtering, re-combining or transfer between units
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92609—Dimensions
    • B29C2948/92657—Volume or quantity
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92828—Raw material handling or dosing, e.g. active hopper or feeding device
    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92961—Auxiliary unit, e.g. for external melt filtering, re-combining or transfer between units
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

PURPOSE: To provide a feed device for a molding material which feeds an appropriate amount of a molding material to be supplied from a feeder to a kneader without an excess or a shortage. CONSTITUTION: This feed device of a molding material is composed of a feeder 1 for feeding the molding material, a kneader 2 for melting and kneading the material and a chute for supplying the material from the feeder 1 to the kneader 2. In addition, sensors 4a, 4b which detect the position of a powder level formed by the molding material accumulated in the chute 3 are provided. Further, the transport amount of the holding material by the feeder 1 is adjustment- controlled by a control device 5 which receives an output signal from the sensors 4a, 4b.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は、成形材料の供給装置に
関し、具体的には、粉状の成形材料を搬送するフィーダ
とこのフィーダから供給された成形材料を溶融混練する
混練機とこの混練機にフィーダ１から落下する成形材料
を供給するシュートとから成る成形材料の供給装置に関
するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molding material supply apparatus, and more specifically, a feeder for conveying powdery molding material, a kneader for melting and kneading the molding material supplied from the feeder, and the kneading machine. The present invention relates to a molding material supply device including a chute for supplying the molding material falling from the feeder 1 to the machine.

【０００２】[0002]

【従来の技術】熱硬化性、又は熱可塑性の樹脂を主成分
とした成形材料を射出成形法、押出成形法、その他種々
の成形法を採用して成形するに際しては、生産性を高め
るために、成形機を構成する、ヒートバンドを備えたシ
リンダとこのシリンダ内で回転するスクリューから成る
混練機に成形材料を連続的に供給して行われる。成形材
料を連続的に混練機に供給するために、従前の粉状の成
形材料の供給装置は、成形材料を搬送するフィーダとこ
のフィーダから成形材料が内部を落下するフィーダとこ
のフィーダ内を落下した成形材料がシリンダ内のスクリ
ューの回転によって導入する混練機とから構成されてい
たが、混練機への成形材料の供給量が不足すると、当然
のことながら、所定の形状を備えた成形品の製造ができ
ず、また過剰になると、シュート内に堆積した成形材料
がブリッヂを起こしやすく、その結果、成形材料の供給
不足から所定の形状を備えた成形品の製造ができず、い
ずれにしても成形材料の供給量の過不足は円滑な成形を
阻害する。2. Description of the Related Art When molding a molding material containing a thermosetting or thermoplastic resin as a main component by using an injection molding method, an extrusion molding method, or other various molding methods, it is necessary to increase productivity. The molding material is continuously supplied to a kneading machine, which is a molding machine and includes a cylinder provided with a heat band and a screw rotating in the cylinder. In order to continuously supply the molding material to the kneading machine, the conventional powdery molding material supply device has a feeder that conveys the molding material, a feeder through which the molding material falls, and a inside of the feeder. The formed molding material was composed of a kneading machine introduced by the rotation of the screw in the cylinder, but when the amount of the molding material supplied to the kneading machine is insufficient, naturally, a molding product having a predetermined shape is formed. If it cannot be manufactured or if it becomes excessive, the molding material deposited in the chute easily causes bridges, and as a result, it is not possible to manufacture a molded product having a predetermined shape due to insufficient supply of the molding material. Insufficient or insufficient supply of the molding material hinders smooth molding.

【０００３】[0003]

【発明が解決しようとする課題】したがって、この発明
の目的は、円滑な成形のために成形材料を過不足なく、
適量供給することができる成形材料の供給装置を提供す
るものである。SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a molding material in an appropriate amount for smooth molding.
An apparatus for supplying a molding material capable of supplying an appropriate amount.

【０００４】[0004]

【課題を解決するための手段】本発明の請求項１に係る
成形材料の供給装置は、粉状の成形材料を搬送するフィ
ーダ１とこのフィーダ１から供給された成形材料を溶融
混練する混練機２とこの混練機２にフィーダ１から落下
する成形材料を供給するシュート３とから成る成形材料
の供給装置において、上記フィーダ１内に堆積する成形
材料の堆積量によって変位する成形材料の粉面を検出す
るセンサー４ａ，４ｂをフィーダ１の上下に対設し、成
形材料の粉面が上下のセンサー４ａ，４ｂ間に位置する
信号を受信するとフィーダ１の成形材料の搬送量と等量
で搬送し、成形材料の粉面が上位のセンサー４ａ上に位
置する信号を受信するとフィーダ１の成形材料の搬送を
一旦停止し一定時間の停止後搬送を再開し、成形材料の
粉面が下位のセンサー４ｂ下に位置する信号を受信する
とフィーダ１の成形材料の搬送量を増量して搬送する制
御装置５を備えたものである。The apparatus for supplying a molding material according to claim 1 of the present invention comprises a feeder 1 for conveying a powdery molding material, and a kneader for melting and kneading the molding material supplied from the feeder 1. 2 and a chute 3 for supplying the molding material falling from the feeder 1 to the kneading machine 2, the powder surface of the molding material displaced by the amount of the molding material deposited in the feeder 1 is changed. Sensors 4a and 4b for detection are provided above and below the feeder 1, and when a signal indicating that the powder surface of the molding material is located between the upper and lower sensors 4a and 4b is received, the material is conveyed in the same amount as the conveying amount of the molding material of the feeder 1. When the signal that the powder surface of the molding material is positioned on the upper sensor 4a is received, the feeding of the molding material of the feeder 1 is temporarily stopped, and after a certain time is stopped, the transport is restarted, and the powder surface of the molding material is set to the lower sensor. Upon receiving the signal located below chromatography 4b are those having a control unit 5 for conveying by increasing the conveyance amount of the molding material of the feeder 1.

【０００５】[0005]

【作用】本発明の請求項１に係る成形材料の供給装置に
よると、フィーダ１からシュート３を経由して混練機２
のシリンダ内に供給される成形材料は、シュート３に堆
積した成形材料の堆積量によって変位する成形材料の粉
面を検出するセンサー４ａ，４ｂがシュート３の上下に
対設され、成形材料の粉面が上下のセンサー４ａ，４ｂ
間に位置する信号を受信するとフィーダ１の成形材料の
搬送量と等量で搬送し、成形材料の粉面が上位のセンサ
ー４ａ上に位置する信号を受信するとフィーダ１の成形
材料の搬送を一旦停止し一定時間の停止後搬送を再開
し、成形材料の粉面が下位のセンサー４ｂ下に位置する
信号を受信するとフィーダ１の成形材料の搬送量を増量
して搬送する制御装置５を備えているので、成形材料の
堆積量によって変位する粉面が上下のセンサー４ａ，４
ｂ間に位置する信号を受信すると、制御装置５はフィー
ダ１の成形材料の搬送量を加減することなく等量で搬送
し、粉面が上位のセンサー４ａ上に位置する信号を受信
すると、制御装置５はフィーダ１の成形材料の搬送量を
減量し、粉面が下位のセンサー４ｂ下に位置する信号を
受信すると、制御装置５はフィーダ１の成形材料の搬送
量を増量する。したがって、混練機に供給される成形材
料の供給量はフィーダ１の成形材料の搬送量の加減を制
御装置５によって達成され、よって円滑な成形のために
成形材料を過不足なく、適量供給することができる。According to the apparatus for supplying a molding material according to the first aspect of the present invention, the kneader 2 is fed from the feeder 1 through the chute 3.
The molding material supplied into the cylinder is provided with sensors 4a and 4b for detecting the powder surface of the molding material which is displaced depending on the amount of the molding material deposited on the chute 3, and the sensors 4a and 4b are provided above and below the chute 3 to face each other. Sensors 4a and 4b with upper and lower surfaces
When a signal located between them is received, it is conveyed in an amount equal to the amount of the molding material conveyed by the feeder 1, and when a signal that the powder surface of the molding material is located on the upper sensor 4a is received, the conveyance of the molding material of the feeder 1 is once performed. A control device 5 is provided to stop and restart the transportation after a certain period of time, and to increase the transportation amount of the molding material of the feeder 1 to transport when the powder surface of the molding material is received under the lower sensor 4b. Therefore, the powder surfaces, which are displaced by the amount of the molding material deposited, have the upper and lower sensors 4a, 4
When receiving the signal located between b, the control device 5 carries the molding material of the feeder 1 in the same amount without adjusting the carrying amount, and when the signal that the powder surface is located on the upper sensor 4a is received, the control is performed. The device 5 reduces the amount of the molding material conveyed by the feeder 1, and when a signal that the powder surface is located under the lower sensor 4b is received, the controller 5 increases the amount of the molding material conveyed by the feeder 1. Therefore, the amount of the molding material supplied to the kneader is controlled by the control device 5 so that the amount of the molding material conveyed by the feeder 1 can be adjusted. Therefore, an appropriate amount of the molding material can be supplied for smooth molding. You can

【０００６】[0006]

【実施例】図１は本発明の実施例に係る断面図である。FIG. 1 is a sectional view according to an embodiment of the present invention.

【０００７】図に示すように、本発明の成形材料の供給
装置は、粉状の成形材料を搬送するフィーダ１を備え
る。このフィーダ１の搬送機構は、図示の如く、シリン
ダ６とこのシリンダ６の中心軸と同軸の回転軸７に螺旋
板８を設けたスクリュー９から構成され、回転軸７の回
転数を上げると、成形材料の搬送量は増大する。As shown in the figure, the molding material supply apparatus of the present invention includes a feeder 1 for conveying powdery molding material. As shown in the figure, the feeding mechanism of the feeder 1 is composed of a cylinder 6 and a screw 9 provided with a spiral plate 8 on a rotary shaft 7 coaxial with the central axis of the cylinder 6. When the rotational speed of the rotary shaft 7 is increased, The amount of molding material conveyed increases.

【０００８】このフィーダ１の先端には、シュート３が
下向きに取り付けられ、フィーダ１の先端に搬送された
成形材料は、フィーダ１に誘導されながら自重で落下す
る。A chute 3 is attached downward to the tip of the feeder 1, and the molding material conveyed to the tip of the feeder 1 falls by its own weight while being guided by the feeder 1.

【０００９】このシュート３は、他端が成形材料を溶融
混練する混練機２に取り付けられ、フィーダ１から自重
でシュート３を落下する成形材料は混練機２に供給され
る。この混練機２は、たとえば外周面に装着したヒート
バンド１１によって加熱されるシリンダ１２とこのシリ
ンダ１２内を回転しながらシリンダ１２内に供給された
成形材料を溶融混練するスクリュー１３から構成されて
おり、スクリュー１３の回転数の増減により、成形材料
の消費量、すなわち成形品の生産量は比例して変化す
る。したがって、フィーダ１からの成形材料の供給量に
比べてスクリュー１３の回転数が過大であれば成形材料
の供給量が不足し、スクリュー１３の回転数が過小であ
れば成形材料の供給量が過剰となる。成形材料の供給量
が不足した場合は、シュート３には成形材料は堆積しな
い。成形材料の供給量が過剰の場合は、シュート３の混
練機２側に堆積し、堆積した成形材料の自重で密度が高
まりブリッヂを起こす。しかるに、円滑な成形を行うた
めには、成形材料がシュート３に適量堆積されている状
態であり、一方、この堆積量の増減によって粉面は変位
する。したがって、シュート３内に堆積する成形材料の
適量の堆積量が決まれば、自ずと粉面の適切なレベルも
決まる。The chute 3 has the other end attached to the kneading machine 2 for melting and kneading the molding material, and the molding material dropping from the feeder 1 by its own weight to the kneading machine 2 is supplied to the kneading machine 2. The kneading machine 2 is composed of, for example, a cylinder 12 heated by a heat band 11 mounted on the outer peripheral surface and a screw 13 for melting and kneading the molding material supplied into the cylinder 12 while rotating in the cylinder 12. The consumption amount of the molding material, that is, the production amount of the molded product changes proportionally as the rotation speed of the screw 13 increases or decreases. Therefore, when the rotation speed of the screw 13 is excessive compared to the supply quantity of the molding material from the feeder 1, the supply amount of the molding material is insufficient, and when the rotation speed of the screw 13 is too small, the supply amount of the molding material is excessive. Becomes When the supply amount of the molding material is insufficient, the molding material is not deposited on the chute 3. If the amount of the molding material supplied is excessive, the molding material is accumulated on the kneading machine 2 side of the chute 3, and the density of the accumulated molding material increases to cause bridges. However, in order to perform smooth molding, the molding material is in a state of being deposited on the chute 3 in an appropriate amount, and on the other hand, the powder surface is displaced by the increase or decrease in the deposition amount. Therefore, if the appropriate amount of the molding material deposited in the chute 3 is determined, the appropriate level of the powder surface is naturally determined.

【００１０】このシュート３には、成形材料の堆積量に
よって変位する成形材料の粉面を検出するセンサー４
ａ，４ｂが上下に対設されている。このセンサー４ａ，
４ｂの取り付ける位置は、成形材料の堆積量の適量な範
囲に依存して決定される。The chute 3 has a sensor 4 for detecting the powder surface of the molding material which is displaced depending on the amount of the molding material deposited.
a and 4b are vertically arranged. This sensor 4a,
The mounting position of 4b is determined depending on an appropriate range of the amount of molding material deposited.

【００１１】さらに、このセンサー４ａ，４ｂの信号
は、信号回路を介して制御装置５に出力する。すなわ
ち、この制御装置５は、成形材料の粉面が上下のセンサ
ー４ａ，４ｂ間に位置する信号を受信するとフィーダ１
の成形材料の搬送量と等量で搬送し、成形材料の粉面が
上位のセンサー４ａ上に位置する信号を受信するとフィ
ーダ１の成形材料の搬送を一旦停止し一定時間の停止後
搬送を再開し、成形材料の粉面が下位のセンサー４ｂ下
に位置する信号を受信するとフィーダ１の成形材料の搬
送量を増量して搬送する。したがって、混練機２への成
形材料の供給量を適量に制御することができるので円滑
な成形を行うことができるのである。Further, the signals of the sensors 4a and 4b are output to the control device 5 via a signal circuit. That is, the control device 5 receives the signal that the powder surface of the molding material is located between the upper and lower sensors 4a and 4b, and the feeder 1 receives the signal.
The amount of the molding material conveyed is equal to that of the molding material, and when the signal that the powder surface of the molding material is positioned on the upper sensor 4a is received, the feeding of the molding material of the feeder 1 is temporarily stopped, and the conveyance is restarted after a certain period of stop. Then, when a signal indicating that the powder surface of the molding material is located below the lower sensor 4b is received, the conveyance amount of the molding material of the feeder 1 is increased and the molding material is conveyed. Therefore, since the amount of the molding material supplied to the kneading machine 2 can be controlled to an appropriate amount, smooth molding can be performed.

【００１２】なお、実施例に係る成形材料の供給装置
は、図示の如く、シリンダ１内のガス抜きのためのエア
ー排出路１４がシュート３に隔壁１５を介して同体に形
成されている。この隔壁１５にはシュート３とエアー排
出路１４とを通気する通気孔１６が形成され、エアー排
出路１４の排出口には濾布１７が取り付けられている。In the molding material supply apparatus according to the embodiment, as shown in the drawing, an air discharge passage 14 for degassing the inside of the cylinder 1 is formed integrally with the chute 3 via a partition wall 15. A vent hole 16 for ventilating the chute 3 and the air exhaust passage 14 is formed in the partition wall 15, and a filter cloth 17 is attached to the exhaust port of the air exhaust passage 14.

【００１３】[0013]

【発明の効果】本発明の請求項１に係る成形材料の供給
装置は、成形材料を過不足なく、適量供給することがで
き、したがって円滑な成形に有効である。The apparatus for supplying a molding material according to claim 1 of the present invention can supply an appropriate amount of molding material without excess or deficiency, and is therefore effective for smooth molding.

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明の実施例に係る断面図である。FIG. 1 is a sectional view according to an embodiment of the present invention.

【符号の説明】[Explanation of symbols]

１ フィーダ ２ 混練機 ３ シュート ４ａ センサー ４ｂ センサー ５ 制御装置 1 feeder 2 kneader 3 chute 4a sensor 4b sensor 5 controller

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】 粉状の成形材料を搬送するフィーダ
（１）とこのフィーダ（１）から供給された成形材料を
溶融混練する混練機（２）とこの混練機（２）にフィー
ダ（１）から落下する成形材料を供給するシュート
（３）とから成る成形材料の供給装置において、上記フ
ィーダ（１）内に堆積する成形材料の堆積量によって変
位する成形材料の粉面を検出するセンサー（４ａ），
（４ｂ）をフィーダ（１）の上下に対設し、成形材料の
粉面が上下のセンサー（４ａ），（４ｂ）間に位置する
信号を受信するとフィーダ（１）の成形材料の搬送量と
等量で搬送し、成形材料の粉面が上位のセンサー（４
ａ）上に位置する信号を受信するとフィーダ（１）の成
形材料の搬送を一旦停止し一定時間の停止後搬送を再開
し、成形材料の粉面が下位のセンサー（４ｂ）下に位置
する信号を受信するとフィーダ（１）の成形材料の搬送
量を増量して搬送する制御装置（５）を備えたことを特
徴とする成形材料の供給装置。1. A feeder (1) for conveying a powdery molding material, a kneading machine (2) for melting and kneading the molding material supplied from this feeder (1), and a feeder (1) for this kneading machine (2). A molding material supply device comprising a chute (3) for supplying a molding material falling from a sensor (4a) for detecting a powder surface of the molding material which is displaced depending on the amount of the molding material deposited in the feeder (1). ),
When (4b) is placed above and below the feeder (1) and a signal that the powder surface of the molding material is located between the upper and lower sensors (4a) and (4b) is received, the feeding amount of the molding material of the feeder (1) is detected. The sensor (4
a) A signal indicating that the powder surface of the molding material is located below the lower sensor (4b) when the conveyance of the molding material of the feeder (1) is temporarily stopped when the signal located above is received, and the transportation is restarted after a certain time is stopped. The apparatus for supplying a molding material, comprising: a control device (5) for increasing and conveying the molding material in the feeder (1) when receiving.
JP6297209A 1994-11-30 1994-11-30 Feed device for molding material Withdrawn JPH08150622A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6297209A JPH08150622A (en) 1994-11-30 1994-11-30 Feed device for molding material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6297209A JPH08150622A (en) 1994-11-30 1994-11-30 Feed device for molding material

Publications (1)

Publication Number Publication Date
JPH08150622A true JPH08150622A (en) 1996-06-11

Family

ID=17843600

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6297209A Withdrawn JPH08150622A (en) 1994-11-30 1994-11-30 Feed device for molding material

Country Status (1)

Country Link
JP (1) JPH08150622A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0970793A1 (en) * 1997-12-25 2000-01-12 Haruna Co. Ltd. Injection molding machine, injection molding system, pellet supply unit, injection molding method and injection molded product
WO2002053348A1 (en) * 2001-01-02 2002-07-11 Liad Weighing And Control Systems Ltd. A system for feeding portions of material to an injection molding machine

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0970793A1 (en) * 1997-12-25 2000-01-12 Haruna Co. Ltd. Injection molding machine, injection molding system, pellet supply unit, injection molding method and injection molded product
EP0970793A4 (en) * 1997-12-25 2002-07-17 Haruna Co Ltd Injection molding machine, injection molding system, pellet supply unit, injection molding method and injection molded product
WO2002053348A1 (en) * 2001-01-02 2002-07-11 Liad Weighing And Control Systems Ltd. A system for feeding portions of material to an injection molding machine
US6688493B2 (en) * 2001-01-02 2004-02-10 Eli Margalit System for feeding portions of material to an injection molding machine
US6966456B2 (en) 2001-01-02 2005-11-22 Eli Margalit System for feeding portions of material to an injection molding machine
AU2002217403B2 (en) * 2001-01-02 2006-10-19 Liad Weighing And Control Systems Ltd. A system for feeding portions of material to an injection molding machine

Similar Documents

Publication Publication Date Title
EP0695583B1 (en) Powder paint supply device
US5213724A (en) Process and apparatus for determining the rate at which material is received by an extruder from a feed container
US6379086B1 (en) Apparatus for conveying granular plastic material
US4014462A (en) Scrap recovery and feed system
EP0143762A1 (en) Apparatus for dispensing a predetermined weight per unit of time of nonfree-flowing particulate material
CN105466533B (en) Multi-station weighing machine and method
ATE199360T1 (en) DOSING SCREW WITH MULTIPLE CUT SCREW GEARS
JPH08150622A (en) Feed device for molding material
JPS5594633A (en) Briquetting machine
JP2000141445A (en) Method for controlling raw material supply to extrusion molding machine and control device
JP3853251B2 (en) A quantitative feeder mechanism and a system device with the mechanism
JPH1099998A (en) Tablet making machine
JPS591738Y2 (en) Automatic feed rate control device for paddy rough sorting machine
JPH0414953B2 (en)
JPH0340479Y2 (en)
JPH05294461A (en) Control method for depositing level of sintering materials
JPH05212773A (en) Device for controlling emitting amount of extruder
JP2909501B2 (en) Rubber Extrusion Cutting Unit
JPH0447627Y2 (en)
JP4004670B2 (en) Master batch automatic weighing device, automatic resin molding material supply device using this
RU2812262C2 (en) Rotary press for pressing pressed food material
JPH0356644B2 (en)
JP2000094110A (en) Method and device for controlling material supply of metal injection molding machine
RU2809044C2 (en) Rotary press for pressing pressed food material
JPH032825Y2 (en)

Legal Events

Date Code Title Description
A300 Application deemed to be withdrawn because no request for examination was validly filed

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20020205