JPH0775844B2 - Two-liquid mixing dispenser - Google Patents
Two-liquid mixing dispenserInfo
- Publication number
- JPH0775844B2 JPH0775844B2 JP1208523A JP20852389A JPH0775844B2 JP H0775844 B2 JPH0775844 B2 JP H0775844B2 JP 1208523 A JP1208523 A JP 1208523A JP 20852389 A JP20852389 A JP 20852389A JP H0775844 B2 JPH0775844 B2 JP H0775844B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid
- spindle
- mixing
- chamber
- passage
- 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 - Lifetime
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/405—Mixing heads
- B29B7/408—Mixing heads with mixing elements on a rotor co-operating with mixing elements, perpendicular to the axis of the rotor, fixed on a stator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/401—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft having a casing closely surrounding the rotor, e.g. with a plunger for feeding the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/402—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft using a rotor-stator system with intermeshing elements, e.g. teeth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B7/00—Mixing; Kneading
- B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
- B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
- B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
- B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
- B29B7/405—Mixing heads
- B29B7/407—Mixing heads with a casing closely surrounding the rotor, e.g. with conical rotor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、Ａ液とＢを混合して接着剤などを生成するの
に好適な二液混合吐出機に関するものである。TECHNICAL FIELD The present invention relates to a two-liquid mixing / discharging machine suitable for mixing liquid A and liquid B to produce an adhesive or the like.
（従来の技術） 従来、二液混合吐出機01は、第２図および第３図に示す
ように、ヘッドブロック02に軸孔03を形成し、この軸孔
03にエアモータなどの駆動源にカップリング04を介して
連結されるスピンドル05を軸受06にて軸支し、このスピ
ンドル05の先端に形成した十字状溝05aに嵌合してミキ
シングフィン07を連結し、このミキシングフィン07を収
容して混合室08を形成するチャンバ09をヘッドブロック
02に接続し、このチャンバ09の先端に混合液の吐出口と
してのノズル010を接続して構成され、ヘッドブロック0
2にチャンバ09の混合室08に開口する第１通路011および
第２通路012を形成し、この第１通路011を介してＡ液、
Ｂ液の一方を混合室08に供給し、また、第２通路012を
介してその他方を混合室08に供給し、図示しない駆動源
によってスピンドル05を介してミキシングフィン07を回
転させることにより、これらのＡ液、Ｂ液を混合室08で
撹拌混合し、その混合液をノズル010より吐出するもの
である。(Prior Art) Conventionally, a two-liquid mixing and discharging machine 01 has a shaft hole 03 formed in a head block 02 as shown in FIG. 2 and FIG.
A spindle 05, which is connected to a drive source such as an air motor via a coupling 04, is axially supported by a bearing 06, and the mixing fin 07 is connected to a cross-shaped groove 05a formed at the tip of the spindle 05. Then, the chamber 09 that houses the mixing fin 07 and forms the mixing chamber 08 is a head block.
02, and a nozzle 010 as a mixed liquid discharge port is connected to the tip of this chamber 09, and the head block 0
The first passage 011 and the second passage 012 which open to the mixing chamber 08 of the chamber 09 are formed in the second chamber 2, and the liquid A is supplied through the first passage 011.
By supplying one of the liquid B to the mixing chamber 08 and the other to the mixing chamber 08 via the second passage 012, and rotating the mixing fin 07 via the spindle 05 by a drive source (not shown), These liquids A and B are stirred and mixed in the mixing chamber 08, and the mixed liquid is discharged from the nozzle 010.
（発明が解決しようとする課題） ところで、Ａ液とＢ液が混合されると、反応して硬化す
るような性状を有している場合、その混合液がチャンバ
09の混合液08よりスピンドル05に沿ってヘッドブロック
02に形成された軸孔03を逆流し、その状態で所定時間が
経過すると、軸孔03で硬化してスピンドル05を回転不能
に陥らせることがある。このため、洗浄シンナーを通路
013よりスピンドル05に適宜供給して洗浄する必要があ
る。したがって、混合作業を中断して洗浄作業を行なわ
なければならない他、室温などによっては硬化が促進さ
れることがあり、スピンドル05の回転不能事故を完全に
は防止できなかった。(Problems to be Solved by the Invention) By the way, when the liquid A and the liquid B have a property of reacting and hardening when mixed with each other, the mixed liquid is contained in the chamber.
Head block along spindle 05 from 09 mixture 08
The shaft hole 03 formed in 02 is backflowed, and if a predetermined time elapses in that state, the shaft 05 may be cured and the spindle 05 may become unrotatable. For this reason, pass the cleaning thinner
It is necessary to appropriately supply to the spindle 05 from 013 for cleaning. Therefore, the mixing operation must be interrupted to perform the cleaning operation, and the curing may be accelerated depending on the room temperature or the like, so that the unrotatable accident of the spindle 05 could not be completely prevented.
本発明はこのような問題に鑑みてなされたもので、長時
間にわたっての連続混合作業あるいは断続的な混合作業
が可能な二液混合吐出機を提供するものである。The present invention has been made in view of the above problems, and provides a two-liquid mixing and discharging machine capable of continuous mixing work or intermittent mixing work for a long time.
（課題を解決するための手段） 本発明は、駆動源に連結されるスピンドルをその軸孔に
軸支するヘッドブロックと、このヘッドブロックに接続
され、スピンドルに連結されるミキシングフィンを収容
して混合室を形成するチャンバと、このチャンバ先端に
接続されたノズルとよりなり、前記スピンドル前方に液
送りスクリュを形成し、さらに、前記ヘッドブロックに
はチャンバの混合室に開口する第１通路およびスピンド
ルに形成された液送りスクリュに臨んでスピンドルを軸
支する軸孔に開口する第２通路を設け、この第１通路を
介して混合室にＡ液、Ｂ液の一方を供給し、第２通路お
よび液送りスクリュを介して混合室にその他方を供給
し、Ａ液、Ｂ液を撹拌混合してノズルより吐出するよう
に構成したことを特徴とするものである。(Means for Solving the Problems) The present invention accommodates a head block that pivotally supports a spindle connected to a drive source in its shaft hole, and a mixing fin connected to the head block and connected to the spindle. The chamber comprises a chamber forming a mixing chamber and a nozzle connected to the tip of the chamber, a liquid feed screw is formed in front of the spindle, and the head block has a first passage and a spindle opening to the mixing chamber of the chamber. Is provided with a second passage opening to a shaft hole that axially supports the spindle, and one of the liquid A and the liquid B is supplied to the mixing chamber through the first passage, and the second passage is formed. The other is supplied to the mixing chamber through the liquid feed screw, and the liquids A and B are mixed by stirring and discharged from the nozzle.
（作用） 図示しないギヤポンプを駆動してＡ液およびＢ液を圧送
し、同時にスピンドルを介してミキシングフィンを回転
させる。この結果、一方の液は第１通路を経て混合室に
供給され、他方の液は第２通路を経てヘッドブロックに
形成された軸孔に供給される。そして、この軸孔に供給
された他方の液は、スピンドルに形成された液送りスク
リュの回転により混合室に搬送される結果、スピンドル
に連結されるミキシングフィンの回転によってＡ液、Ｂ
液は混合攪拌され、ノズルより吐出される。この場合、
スピンドルの回転により液送りスクリュが他方の液を搬
送することから、その搬送圧力によって一方の液がスピ
ンドルに沿ってヘッドブロックに形成された軸孔を逆流
することはない。(Operation) A gear pump (not shown) is driven to feed the liquids A and B under pressure, and at the same time, the mixing fin is rotated via the spindle. As a result, one liquid is supplied to the mixing chamber via the first passage, and the other liquid is supplied to the shaft hole formed in the head block via the second passage. Then, the other liquid supplied to this shaft hole is conveyed to the mixing chamber by the rotation of the liquid feed screw formed on the spindle, and as a result, the liquids A, B
The liquids are mixed and stirred and discharged from a nozzle. in this case,
Since the liquid feed screw conveys the other liquid by the rotation of the spindle, the one liquid does not flow back through the shaft hole formed in the head block along the spindle due to the conveying pressure.
（実施例） 以下、本発明の実施例について図面に基づいて説明す
る。(Example) Hereinafter, the Example of this invention is described based on drawing.
二液混合吐出機１は、従来と同様に、ヘッドブロック２
に軸孔３を形成し、この軸孔３にエアモータなどの駆動
源にカップリング４を介して連結されるスピンドル５を
軸受６にて軸支し、このスピンドル５の先端に形成され
た十字状溝5aに嵌合してミキシングフィン７を連結し、
このミキシングフィン７を収容して混合室８を形成する
チャンバ９をヘッドブロック２に接続し、このチャンバ
９の先端に混合液の吐出口としてのノズル10を接続して
構成されている。そして、ヘッドブロック２にチャンバ
９の混合室８に開口する第１通路11を形成し、この第１
通路11を介して混合室８にＡ液、Ｂ液の一方、例えば、
Ｂ液を図示しないギヤポンプにより供給することができ
る。The two-liquid mixing / discharging machine 1 has a head block 2 as in the conventional case.
A shaft hole 3 is formed in the shaft hole 3, and a spindle 5 connected to a drive source such as an air motor via a coupling 4 is axially supported by a bearing 6 in the shaft hole 3. Fit in the groove 5a to connect the mixing fin 7,
A chamber 9 which houses the mixing fin 7 and forms a mixing chamber 8 is connected to the head block 2, and a nozzle 10 as a mixed liquid discharge port is connected to the tip of the chamber 9. Then, the head block 2 is formed with a first passage 11 opening to the mixing chamber 8 of the chamber 9, and the first passage 11 is formed.
One of the liquid A and the liquid B, for example, to the mixing chamber 8 via the passage 11,
Liquid B can be supplied by a gear pump (not shown).
一方、前述のスピンドル５前部には、十字状溝5aの後端
近傍まで液送りスクリュ5bが設けられており、この液送
りスクリュ5bの前端は混合室８に突出している。そし
て、ヘッドブロック２には、スピンドル５に設けられた
液送りスクリュ5bの後部に臨んでヘッドブロック２の軸
孔３に開口する第２通路12が形成されている。したがっ
て、ギヤポンプなどにより他方の液であるＡ液を第２通
路12を介してヘッドブロック２の軸孔３と、スピンドル
５に設けられた液送りスクリュ5bで形成される空間に供
給することができる。On the other hand, in the front portion of the spindle 5 described above, a liquid feeding screw 5b is provided up to near the rear end of the cross groove 5a, and the front end of the liquid feeding screw 5b projects into the mixing chamber 8. A second passage 12 is formed in the head block 2 so as to face the rear portion of the liquid feed screw 5b provided on the spindle 5 and open into the shaft hole 3 of the head block 2. Therefore, the other liquid A can be supplied to the space formed by the shaft hole 3 of the head block 2 and the liquid feed screw 5b provided in the spindle 5 through the second passage 12 by the gear pump or the like. .
なお、ヘッドブロック２には、洗浄シンナーをスピンド
ル５などに供給する通路13が形成されており、異なるＡ
液およびＢ液を用いる場合に使用される。The head block 2 has a passage 13 for supplying the cleaning thinner to the spindle 5 and the like.
Used when using solution and solution B.
次に、本発明の作動について説明すると、図示しないギ
ヤポンプを駆動し、Ａ液、Ｂ液をヘッドブロック２に圧
送する。この場合、Ｂ液は第１通路11を経てチャンバ９
の混合室８に供給され、一方、Ａ液はヘッドブロック２
に形成された第２通路12を経てヘッドブロック２の軸孔
３とスピンドル５の液送りスクリュ5bによって形成され
る空間に供給される。ここで、スピンドル５を回転駆動
すれば、スピンドル５に設けられた液送りスクリュ5bに
よりＡ液は混合室８に向けて搬送される。このように、
混合室８内に供給されたＡ液およびＢ液は、スピンドル
５に連結されるミキシングフィン７により混合攪拌さ
れ、その混合液はノズル10より吐出される。Next, the operation of the present invention will be described. A gear pump (not shown) is driven to pump the liquids A and B to the head block 2. In this case, the liquid B passes through the first passage 11 and enters the chamber 9
Liquid is supplied to the mixing chamber 8 of the head block 2 while liquid A is supplied to the head block 2.
It is supplied to the space formed by the shaft hole 3 of the head block 2 and the liquid feed screw 5b of the spindle 5 through the second passage 12 formed in the. Here, when the spindle 5 is rotationally driven, the liquid A is conveyed toward the mixing chamber 8 by the liquid feeding screw 5b provided on the spindle 5. in this way,
The liquid A and the liquid B supplied into the mixing chamber 8 are mixed and stirred by the mixing fin 7 connected to the spindle 5, and the mixed liquid is discharged from the nozzle 10.
この場合、Ａ液は液送りスクリュー5bによって搬送され
ており、Ｂ液が軸孔３を逆流しようとしてもＡ液の圧力
によって逆流することはない。この場合、Ａ液は通常水
分などで硬化する自己硬化性あるいは自己架橋性を有し
ない材料が選択されるのが望ましい。In this case, the liquid A is conveyed by the liquid feed screw 5b, and even if the liquid B tries to flow backward through the shaft hole 3, it does not flow backward due to the pressure of the liquid A. In this case, it is desirable to select a material which is not self-curing or self-crosslinking, which normally cures with water or the like.
ここで、具体例を例示すると、不飽和ポリエステル樹脂
に促進剤を加えたものをＡ液とし、不飽和ポリエステル
樹脂に硬化剤を加えたものをＢ液とし、両液を混合して
不飽和ポリエステル樹脂／接着剤を生成する場合、ある
いはポリオールをＡ液とし、Ｂ液をイソシアネートと
し、両液を混合してウレタン樹脂／接着剤を生成する場
合、さらには、Ａ液をエポキシ樹脂、Ｂ液を硬化剤と
し、両液を混合してエポキシ樹脂／接着剤を生成する場
合などに用いられる。As a specific example, unsaturated polyester resin with accelerator added is liquid A, unsaturated polyester resin with curing agent is liquid B, and both liquids are mixed to form unsaturated polyester. When a resin / adhesive is produced, or when a polyol is a solution A and a solution B is an isocyanate and both solutions are mixed to produce a urethane resin / adhesive, a solution A is an epoxy resin and a solution B is a solution. Used as a curing agent when mixing both liquids to form an epoxy resin / adhesive.
（発明の効果） 以上のように本発明によれば、一方の液を液送りスクリ
ュを介して混合室に、他方の液を直接混合室にそれぞれ
供給して混合させるように構成したことにより、他方の
液がスピンドルに沿ってその軸孔を逆流することがな
く、特に他方の液が自己硬化性を有する材料の場合には
硬化してスピンドルを回転不能に陥らせることがない。
したがって、混合作業を長時間にわたって連続的に行な
うことも、あるいは間欠的に混合作業を行なうことも可
能となる。(Effects of the Invention) As described above, according to the present invention, one liquid is supplied to the mixing chamber via the liquid feeding screw, and the other liquid is directly supplied to the mixing chamber to mix them. The other liquid does not flow back through its axial hole along the spindle, and in particular when the other liquid is a self-hardening material, it does not harden and make the spindle non-rotatable.
Therefore, it is possible to continuously perform the mixing operation for a long time or intermittently perform the mixing operation.
図面は本発明の二液混合吐出機の実施例を例示するもの
で、第１図は二液混合吐出機を一部省略して示す概略断
面図、第２図は従来の二液混合吐出機を示す概略断面
図、第３図は第２図Ａ−Ａ線よりの矢視図である。 １……二液混合吐出機、２……ヘッドブロック ３……軸孔、５……スピンドル 5b……液送りスクリュ、７……ミキシングフィン ８……混合室、９……チャンバ 10……ノズル、11……第１通路 12……第２通路The drawings illustrate an embodiment of the two-liquid mixing and discharging machine of the present invention. FIG. 1 is a schematic sectional view showing the two-liquid mixing and discharging machine partially omitted, and FIG. 2 is a conventional two-liquid mixing and discharging machine. FIG. 3 is a schematic cross-sectional view of FIG. 3, and FIG. 3 is a view taken along the line AA in FIG. 1 ... Two-liquid mixing / discharging machine, 2 ... Head block 3 ... Shaft hole, 5 ... Spindle 5b ... Liquid feeding screw, 7 ... Mixing fins 8 ... Mixing chamber, 9 ... Chamber 10 ... Nozzle , 11 …… 1st passage 12 …… 2nd passage
Claims (1)
に軸支するヘッドブロックと、このヘッドブロックに接
続され、スピンドルに連結されるミキシングフィンを収
容して混合室を形成するチャンバと、このチャンバ先端
に接続されたノズルとよりなり、前記スピンドル前方に
液送りスクリュを形成し、さらに、前記ヘッドブロック
にはチャンバの混合室に開口する第１通路およびスピン
ドルに形成された液送りスクリュに臨んでスピンドルを
軸支する軸孔に開口する第２通路を設け、この第１通路
を介して混合室にＡ液、Ｂ液の一方を供給し、第２通路
および液送りスクリュを介して混合室にその他方を供給
し、Ａ液、Ｂ液を撹拌混合してノズルより吐出するよう
に構成したことを特徴とする二液混合吐出機。1. A head block for axially supporting a spindle connected to a drive source in its shaft hole, and a chamber connected to the head block for accommodating a mixing fin connected to the spindle to form a mixing chamber. A liquid feed screw formed of a nozzle connected to the tip of the chamber is formed in front of the spindle, and further, in the head block, a liquid feed screw formed in the spindle and the first passage opening to the mixing chamber of the chamber. A second passage is provided facing the spindle and axially supporting the spindle, and one of the liquid A and the liquid B is supplied to the mixing chamber through the first passage and mixed through the second passage and the liquid feed screw. A two-liquid mixing / discharging machine characterized in that the other one is supplied to the chamber, and the liquid A and the liquid B are stirred and mixed and discharged from a nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1208523A JPH0775844B2 (en) | 1989-08-11 | 1989-08-11 | Two-liquid mixing dispenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1208523A JPH0775844B2 (en) | 1989-08-11 | 1989-08-11 | Two-liquid mixing dispenser |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0371809A JPH0371809A (en) | 1991-03-27 |
| JPH0775844B2 true JPH0775844B2 (en) | 1995-08-16 |
Family
ID=16557592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1208523A Expired - Lifetime JPH0775844B2 (en) | 1989-08-11 | 1989-08-11 | Two-liquid mixing dispenser |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0775844B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2219768B1 (en) * | 2007-12-07 | 2012-09-26 | Reinhardt - Technik GmbH | Mixing device for mixing components of viscous media, and related mixing attachment and system |
-
1989
- 1989-08-11 JP JP1208523A patent/JPH0775844B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0371809A (en) | 1991-03-27 |
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