JP2013132573A - Mixing and dispersing device - Google Patents

Mixing and dispersing device Download PDF

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Publication number
JP2013132573A
JP2013132573A JP2011283054A JP2011283054A JP2013132573A JP 2013132573 A JP2013132573 A JP 2013132573A JP 2011283054 A JP2011283054 A JP 2011283054A JP 2011283054 A JP2011283054 A JP 2011283054A JP 2013132573 A JP2013132573 A JP 2013132573A
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powder
mixing
region
flowable material
guide member
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Yoshifumi Fukaya
佳文 深谷
Yoshihiko Kondo
善彦 近藤
Takashi Kono
貴志 河野
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JTEKT Corp
Toyota Motor Corp
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JTEKT Corp
Toyota Motor Corp
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Priority to JP2011283054A priority Critical patent/JP2013132573A/en
Priority to EP12194952.3A priority patent/EP2609997A1/en
Priority to CN2012105196669A priority patent/CN103170269A/en
Publication of JP2013132573A publication Critical patent/JP2013132573A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/50—Mixing liquids with solids
    • B01F23/53—Mixing liquids with solids using driven stirrers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/40—Mixers with rotor-rotor system, e.g. with intermeshing teeth
    • B01F27/41—Mixers with rotor-rotor system, e.g. with intermeshing teeth with the mutually rotating surfaces facing each other
    • B01F27/411—Mixers with rotor-rotor system, e.g. with intermeshing teeth with the mutually rotating surfaces facing each other provided with intermeshing elements

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a mixing and dispersing device capable of improving sucking ability of a material while suppressing generation of vibration or noises.SOLUTION: The mixing and dispersing device has a rotary blade 130 which is rotatably arranged at a region E1 on a flowable material side and sends a flowable material sucked from an inner side in a radial direction to an outer side in the radial direction and a guide path 141 for the flowable material which further accelerates and sends the flowable material sent out from the rotary blade 130 toward a mixing region at the outer side in the radial direction, and includes a guide member 140 which guides a powder material at a region E2 on a powder side to the mixing region by the distribution of the flowable material at the mixing region. The guide member 140 rotates in the opposite direction to the rotating direction of the rotary blade 130.

Description

本発明は、流動性材料と粉体材料とを混合し分散する混合分散装置に関するものである。   The present invention relates to a mixing and dispersing device for mixing and dispersing a fluid material and a powder material.

近年、ハイブリッド自動車や電気自動車などにリチウムイオン二次電池が適用されている。リチウムイオン二次電池の電極は、アルミニウム箔などの基材に活物質材料のスラリーを塗布して、焼成することにより成形される。この製造方法は、例えば、特開2010-033786号公報（特許文献１）などに記載されている。   In recent years, lithium ion secondary batteries have been applied to hybrid vehicles and electric vehicles. An electrode of a lithium ion secondary battery is formed by applying a slurry of an active material to a base material such as an aluminum foil and baking it. This manufacturing method is described in, for example, Japanese Patent Application Laid-Open No. 2010-033786 (Patent Document 1).

活物質材料のスラリーは、液体に活物質の粉末を混合して分散することにより作られる。このスラリーの製造方法として、例えば、特表2005-537912号公報（特許文献２）などに記載されているように、回転羽根（遠心ポンプインペラ）によって吸入された材料を径方向外方へ送出し、正転ロータと逆転ロータとにより混合、分散することにより行われる。   The slurry of the active material is made by mixing and dispersing the active material powder in a liquid. As a manufacturing method of this slurry, for example, as described in Japanese Patent Publication No. 2005-537912 (Patent Document 2), the material sucked by the rotary blade (centrifugal pump impeller) is sent out radially outward. The mixing and dispersion are performed by the forward rotation rotor and the reverse rotation rotor.

ところで、径方向外方へ材料を送出する手段として、特許文献２に記載されているような回転羽根のみによるものの他に、特開平5-187398号公報（特許文献３）に記載されているようなディフューザポンプが適用できる。ディフューザポンプは、回転羽根の径方向外方に、流路を有するディフューザが固定されて構成されている。   By the way, as means for delivering the material outward in the radial direction, as described in Japanese Patent Application Laid-Open No. 5-187398 (Patent Document 3), in addition to the one using only the rotary blade as described in Patent Document 2. Diffuser pump can be applied. The diffuser pump is configured such that a diffuser having a flow path is fixed to the outer side in the radial direction of the rotary blade.

特開2010-033786号公報JP 2010-033786 特表2005-537912号公報Special Table 2005-537912 Publication 特開平5-187398号公報Japanese Unexamined Patent Publication No. 5-187398

特許文献２に記載の装置において、材料の吸入能力を向上させるためには、回転羽根の回転速度を高くする必要がある。しかしながら、回転羽根を高速回転すると、回転アンバランスによる振動が発生しやすくなる。さらに、高速回転による騒音の問題も発生する。   In the apparatus described in Patent Document 2, it is necessary to increase the rotational speed of the rotating blades in order to improve the material suction capability. However, when the rotating blades are rotated at a high speed, vibration due to rotational imbalance tends to occur. Furthermore, the problem of noise due to high-speed rotation also occurs.

本発明は、このような事情に鑑みてなされたものであり、振動や騒音の発生を抑制しつつ、材料の吸入能力を向上することができる混合分散装置を提供することを目的とする。   The present invention has been made in view of such circumstances, and an object of the present invention is to provide a mixing and dispersing apparatus capable of improving the material suction capability while suppressing generation of vibration and noise.

そこで、本発明者らは、鋭意研究を重ね、ディフューザポンプの基本概念を利用しつつ、従来固定されていたディフューザを回転羽根に対して逆方向に回転することを思いつき、本発明を発明するに至った。   Therefore, the present inventors have intensively researched and came up with the idea of rotating the diffuser that has been fixed in the reverse direction with respect to the rotating blades while utilizing the basic concept of the diffuser pump, and invented the present invention. It came.

（請求項１）本発明に係る混合分散装置は、流動性材料と粉体材料とを混合し分散する混合分散装置において、前記流動性材料の吸入口側の流動性材料側領域と前記粉体材料の吸入口側の粉体側領域とを仕切る仕切板と、前記流動性材料側領域に回転可能に配置され、径方向内方から吸入した前記流動性材料を径方向外方へ送出する回転羽根と、前記回転羽根から送出された前記流動性材料をさらに径方向外方の混合領域に向かって増速して送出する流動性材料用案内通路を有し、前記混合領域における前記流動性材料の流通に伴って前記粉体側領域における前記粉体材料を前記混合領域へ誘導する誘導部材とを備える。そして、前記誘導部材は、前記回転羽根の回転方向の逆方向に回転する。   (1) A mixing and dispersing apparatus according to the present invention is a mixing and dispersing apparatus for mixing and dispersing a flowable material and a powder material, wherein the flowable material side region on the inlet side of the flowable material and the powder A partition plate that partitions the powder side region on the material suction side, and a rotation plate that is rotatably disposed in the fluid material side region and that feeds the fluid material sucked from the radially inner side to the radially outer side And a flow path for the flowable material that feeds the flowable material delivered from the rotary blade at an increased speed toward the radially outer mixing region, and the flowable material in the mixing region And a guide member for guiding the powder material in the powder side region to the mixing region. And the said guidance member rotates in the reverse direction of the rotation direction of the said rotary blade.

（請求項２）また、前記誘導部材は、前記粉体側領域における前記粉体材料を前記混合領域に向かって案内する粉体用案内通路を有するようにしてもよい。
（請求項３）また、前記流動性材料用案内通路および前記粉体用案内通路は、径方向外方に行くに従って前記誘導部材の回転方向とは反対方向に位相がずれるように形成されているようにしてもよい。
（請求項４）また、前記流動性材料用案内通路および前記粉体用案内通路は、径方向外方に行くに従って流路断面積が小さくなるように形成されているようにしてもよい。 (Claim 2) Further, the guide member may have a powder guide passage for guiding the powder material in the powder side region toward the mixing region.
(Claim 3) Further, the flow path for the flowable material and the guide path for the powder are formed so that the phase is shifted in the direction opposite to the rotation direction of the guide member as going outward in the radial direction. You may do it.
(Claim 4) Further, the fluidity material guide passage and the powder guide passage may be formed so that the cross-sectional area of the flow passage becomes smaller toward the outside in the radial direction.

（請求項５）また、前記混合分散装置は、前記誘導部材より下流側に配置され、前記回転羽根に連結され前記回転羽根と一体的に回転可能な第一回転体と、前記第一回転体より下流側に配置され、前記誘導部材に連結され前記誘導部材と一体的に回転可能であり、前記第一回転体とにより前記流動性材料と前記粉体材料との混合材料を分散させる第二回転体とをさらに備えるようにしてもよい。   (Claim 5) Further, the mixing / dispersing device is disposed on the downstream side of the guide member, and is connected to the rotating blade and is rotatable integrally with the rotating blade, and the first rotating body. Second, disposed on the downstream side, connected to the guide member and rotatable integrally with the guide member, and the first rotating body disperses the mixed material of the fluid material and the powder material. You may make it further provide a rotary body.

（請求項１）回転羽根を回転させると共に、誘導部材を回転羽根の反対方向に回転させることで、回転羽根と誘導部材との回転速度差を大きくすることができる。これにより、回転羽根の回転速度を低くしたとしても、流動性材料用案内通路から混合領域へ流動する流動性材料を増速することができる。その結果、粉体側領域から混合領域へ粉体材料を確実に誘導することができる。そして、回転羽根の回転速度を高くしないため、回転アンバランスによる振動の発生および騒音の発生を抑制することができる。なお、誘導部材が、ディフューザポンプを構成するディフューザに相当する部材である。   (Claim 1) The rotational speed difference between the rotating blade and the guiding member can be increased by rotating the rotating blade and rotating the guiding member in the direction opposite to the rotating blade. Thereby, even if the rotational speed of a rotary blade is made low, the fluid material which flows into the mixing area | region from the guide path for fluid materials can be accelerated. As a result, the powder material can be reliably guided from the powder side region to the mixing region. And since the rotational speed of a rotary blade is not made high, generation | occurrence | production of the vibration by rotation imbalance and generation | occurrence | production of noise can be suppressed. In addition, a guide member is a member corresponded to the diffuser which comprises a diffuser pump.

（請求項２）誘導部材が粉体用案内通路を有することにより、粉体側領域における粉体材料を混合領域へより効果的に誘導することができる。   (Claim 2) Since the guide member has the powder guide passage, the powder material in the powder side region can be more effectively guided to the mixing region.

（請求項３）流動性材料用案内通路および粉体用案内通路を上記のように形成することで、混合領域における流動性材料の高速化することができる。従って、粉体側領域における粉体材料を混合領域へより効果的に誘導することができる。さらに、流動性材料用案内通路と粉体用案内通路とが同位相の方向にずれるように形成されることで、粉体材料を混合領域へより誘導しやすくなる。   (Claim 3) By forming the flow path for the flowable material and the guide path for the powder as described above, the flow speed of the flowable material in the mixing region can be increased. Therefore, the powder material in the powder side region can be more effectively guided to the mixing region. Furthermore, by forming the fluidity material guide passage and the powder guide passage so as to be shifted in the same phase direction, the powder material can be more easily guided to the mixing region.

（請求項４）流動性材料用案内通路の流路断面積を下流に向かって小さくすることで、流動性材料をより高速化することができるため、粉体側領域における粉体材料を混合領域へより効果的に誘導することができる。さらに、粉体用案内通路の流路断面積を下流に向かって小さくすることで、粉体材料を混合領域へより誘導しやすくなる。   (Claim 4) Since the flowable material can be further increased in speed by decreasing the flow passage cross-sectional area of the guide passage for flowable material toward the downstream side, the powder material in the powder side region is mixed with the flow region. Can be guided more effectively. Furthermore, by reducing the flow passage cross-sectional area of the powder guide passage toward the downstream, the powder material can be more easily guided to the mixing region.

（請求項５）第一回転体と第二回転体は、それぞれ回転羽根と誘導部材とに連結されている。従って、専用の駆動装置を設置することなく、第一回転体と第二回転体とによる分散能力を得ることができる。   (Claim 5) The first rotating body and the second rotating body are connected to the rotating blade and the guide member, respectively. Accordingly, it is possible to obtain the dispersion capability of the first rotating body and the second rotating body without installing a dedicated drive device.

本実施形態の混合分散装置の軸方向断面図である。It is an axial sectional view of the mixing and dispersing apparatus of this embodiment. 図１のＡ−Ａ断面図である。It is AA sectional drawing of FIG. 図１のＢ−Ｂ断面図である。It is BB sectional drawing of FIG.

本実施形態の混合分散装置は、例えば、リチウムイオン二次電池の電極（正極および負極）を製造するための装置を構成する。リチウムイオン二次電池の電極は、アルミニウム箔や銅箔などの基材に活物質材料のスラリーを塗布して焼成することにより成形される。本実施形態の混合分散装置は、活物質材料のスラリーを製造する装置である。具体的には、水などの液体に、活物質の金属粉末を混合して分散することにより作られる。以下、粉体材料が混合分散された後のスラリーを流動性混合材料と称し、粉体材料が混合される前の液体を流動性基材料と称する。流動性混合材料および流動性基材料は、共に、流動性を有する。ただし、流動性混合材料は、流動性基材料に比べると、粘度が高く形成されている。   The mixing and dispersing apparatus of the present embodiment constitutes an apparatus for manufacturing electrodes (positive electrode and negative electrode) of a lithium ion secondary battery, for example. An electrode of a lithium ion secondary battery is formed by applying a slurry of an active material to a base material such as an aluminum foil or a copper foil and baking it. The mixing and dispersing apparatus of this embodiment is an apparatus for producing a slurry of active material. Specifically, it is made by mixing and dispersing a metal powder of an active material in a liquid such as water. Hereinafter, the slurry after the powder material is mixed and dispersed is referred to as a flowable mixed material, and the liquid before the powder material is mixed is referred to as a flowable base material. Both the flowable mixed material and the flowable base material have flowability. However, the fluid mixed material is formed with a higher viscosity than the fluid base material.

本実施形態の混合分散装置について、図１〜図３を参照して説明する。混合分散装置は、図１の下方から流動性基材料をハウジング１１０内に吸入し、図１の上方から粉体材料をハウジング１１０内に吸入し、ハウジング１１０内において、流動性基材料と粉体材料とを混合し分散して流動性混合材料を生成する。そして、生成された流動性混合材料をハウジング１１０の外周面から径方向外方に排出する。   The mixing and dispersing apparatus of the present embodiment will be described with reference to FIGS. The mixing / dispersing device sucks the flowable base material into the housing 110 from the lower side of FIG. 1, and sucks the powder material into the housing 110 from the upper side of FIG. 1. The material is mixed and dispersed to produce a fluid mixed material. And the produced | generated fluid mixed material is discharged | emitted from the outer peripheral surface of the housing 110 to radial direction outward.

この混合分散装置は、装置本体１００と、活物質の粉体材料を収容する粉体ホッパ２００と、第一駆動装置３００と、第二駆動装置４００とを備える。ここで、粉体ホッパ２００、第一駆動装置３００および第二駆動装置４００は、装置本体１００のハウジング１１０に支持されている。   This mixing and dispersing apparatus includes an apparatus main body 100, a powder hopper 200 that accommodates a powder material of an active material, a first driving device 300, and a second driving device 400. Here, the powder hopper 200, the first driving device 300, and the second driving device 400 are supported by the housing 110 of the device main body 100.

装置本体１００は、ハウジング１１０、回転仕切部材１２０、回転羽根１３０、誘導部材１４０、第一環状分散部材１５０、第二環状分散部材１６０を備える。
ハウジング１１０は、中空円盤状に形成されている。ハウジング１１０の下面の中心には、流動性基材料を吸入する流動性材料用吸入口１１１が形成されている。ハウジング１１０の上面の中心には、円筒状開口部１１２を有する。この円筒状開口部１１２は、回転仕切部材１２０を介して粉体ホッパ２００の粉体材料を吸入する。そして、ハウジング１１０内においては、流動性材料用吸入口１１１から吸入した流動性基材料と、円筒状開口部１１２から吸入された粉体材料とを混合し分散させて、流動性混合材料を生成する。さらに、ハウジング１１０の外周面の一部には、ハウジング１１０内にて生成された流動性混合材料を排出する排出口１１３が形成されている。 The apparatus main body 100 includes a housing 110, a rotary partition member 120, a rotary blade 130, a guide member 140, a first annular dispersion member 150, and a second annular dispersion member 160.
The housing 110 is formed in a hollow disk shape. In the center of the lower surface of the housing 110, a fluid material suction port 111 for sucking a fluid base material is formed. A cylindrical opening 112 is provided at the center of the upper surface of the housing 110. The cylindrical opening 112 sucks the powder material of the powder hopper 200 through the rotating partition member 120. In the housing 110, the fluid base material sucked from the fluid material suction port 111 and the powder material sucked from the cylindrical opening 112 are mixed and dispersed to generate a fluid mixture material. To do. Further, a discharge port 113 for discharging the fluid mixed material generated in the housing 110 is formed in a part of the outer peripheral surface of the housing 110.

回転仕切部材１２０は、筒軸部１２１と、仕切板１２２とを備える。筒軸部１２１は、円筒状に形成され、かつ、図１の下端側に径方向に貫通する複数の貫通孔１２１ａを有している。この筒軸部１２１は、ハウジング１１０の円筒状開口部１１２の内周面に回転可能に同軸状に支持されている。筒軸部１２１の上端には、粉体ホッパ２００の粉体材料の排出端を装着可能であって、粉体ホッパ２００から粉体材料を吸入する粉体用吸入口１２１ｂが形成されている。つまり、粉体ホッパ２００から吸入された粉体材料は、筒軸部１２１の上端に位置する粉体用吸入口１２１ｂから吸入され、筒軸部１２１内部を通過して、筒軸部１２１の下端に位置する貫通孔１２１ａから排出され、粉体側領域Ｅ２に到達する。   The rotating partition member 120 includes a cylindrical shaft portion 121 and a partition plate 122. The cylindrical shaft part 121 is formed in a cylindrical shape and has a plurality of through holes 121a penetrating in the radial direction on the lower end side in FIG. The cylindrical shaft 121 is coaxially supported on the inner peripheral surface of the cylindrical opening 112 of the housing 110 so as to be rotatable. A powder material discharge end of the powder hopper 200 can be attached to the upper end of the cylindrical shaft portion 121, and a powder suction port 121 b for sucking the powder material from the powder hopper 200 is formed. That is, the powder material sucked from the powder hopper 200 is sucked from the powder suction port 121b located at the upper end of the cylindrical shaft part 121, passes through the inside of the cylindrical shaft part 121, and passes through the lower end of the cylindrical shaft part 121. Is discharged from the through-hole 121a located at, and reaches the powder side region E2.

仕切板１２２は、円盤状に形成され、その中心部が筒軸部１２１の図１の下端に固定されている。つまり、仕切板１２２は、筒軸部１２１と共に、ハウジング１１０内に、その中心軸回りに回転可能に配置されている。この仕切板１２２は、ハウジング１１０内の中心付近を上下に区画し、下側に位置する流動性材料用吸入口１１１側の領域Ｅ１（流動性材料側領域）と上側に位置する円筒状開口部１１２側の領域Ｅ２（粉体側領域）とに仕切っている。   The partition plate 122 is formed in a disk shape, and the center portion thereof is fixed to the lower end of the cylindrical shaft portion 121 in FIG. That is, the partition plate 122 is disposed in the housing 110 together with the cylindrical shaft portion 121 so as to be rotatable around its central axis. The partition plate 122 divides the vicinity of the center in the housing 110 into upper and lower parts, and the lower side region E1 (fluid material side region) on the fluid material suction port 111 side and the cylindrical opening portion located on the upper side. It is partitioned into a region E2 (powder side region) on the 112 side.

回転羽根１３０は、仕切板１２２の下面のうち径方向外方の位置に、周方向に複数設けられている。つまり、回転羽根１３０は、仕切板１２２の回転に伴って回転する。回転羽根１３０は、径方向内方に位置する流動性材料用吸入口１１１から吸入した流動性基材料または流動性混合材料を、径方向外方へ送出するポンプ羽根として機能する。それぞれの回転羽根１３０は、径方向外方に行くに従って回転羽根１３０の回転方向とは反対方向に位相がずれるように形成されている。図２においては、回転羽根１３０の回転方向が右回りであるため、それぞれの回転羽根１３０の位相は径方向外方に行くに従って左回り側にずれている。   A plurality of rotating blades 130 are provided in the circumferential direction at radially outer positions on the lower surface of the partition plate 122. That is, the rotary blade 130 rotates as the partition plate 122 rotates. The rotary vane 130 functions as a pump vane that sends the fluid base material or fluid mixture material sucked from the fluid material suction port 111 located radially inward to the outside in the radial direction. Each rotary blade 130 is formed so that the phase is shifted in the direction opposite to the rotation direction of the rotary blade 130 as it goes radially outward. In FIG. 2, since the rotation direction of the rotary blades 130 is clockwise, the phase of each rotary blade 130 is shifted to the counterclockwise side as going outward in the radial direction.

誘導部材１４０は、仕切板１２２の径方向外方（仕切板１２２および回転羽根１３０の下流側）に配置されている。誘導部材１４０は、ハウジング１１０の円筒状開口部１１２の内周面と回転仕切部材１２０の筒軸部１２１の外周面との間に回転可能に支持された回転被支持部１４４を備えている。つまり、誘導部材１４０は、ハウジング１１０および回転仕切部材１２０に対して回転可能に配置されている。この誘導部材１４０は、回転羽根１３０の回転方向とは逆方向に回転される。   The guide member 140 is disposed radially outward of the partition plate 122 (on the downstream side of the partition plate 122 and the rotating blades 130). The guide member 140 includes a rotation supported portion 144 that is rotatably supported between the inner peripheral surface of the cylindrical opening 112 of the housing 110 and the outer peripheral surface of the cylindrical shaft portion 121 of the rotating partition member 120. That is, the guide member 140 is disposed so as to be rotatable with respect to the housing 110 and the rotary partition member 120. The guide member 140 is rotated in a direction opposite to the rotation direction of the rotary blade 130.

誘導部材１４０は、回転羽根１３０から送出された流動性基材料または流動性混合材料をさらに径方向外方の混合領域に向かって増速して送出する流動性材料用案内通路１４１を有する。この流動性材料用案内通路１４１は、径方向外方に行くに従って誘導部材１４０の回転方向とは反対方向（回転羽根１３０の回転方向）に位相がずれるように形成されている。つまり、回転羽根１３０と誘導部材１４０の流動性材料用案内通路１４１とにより、いわゆるディフューザポンプのように機能する。この流動性材料用案内通路１４１は、径方向外方に行くに従って流路断面積が小さくなるように形成されている。流動性材料用案内通路１４１の流路断面積を下流に向かって小さくすることで、流動性基材料をより高速化することができる。   The guide member 140 has a flow path for the flowable material 141 that further increases the flow rate of the flowable base material or flowable mixed material fed from the rotary blade 130 toward the radially outer mixing region. The flow path 141 for the flowable material is formed so that the phase is shifted in the direction opposite to the rotation direction of the guide member 140 (the rotation direction of the rotary blade 130) as going outward in the radial direction. That is, the rotating blade 130 and the flowable material guide passage 141 of the guide member 140 function as a so-called diffuser pump. The flowable material guide passage 141 is formed so that the cross-sectional area of the flow passage becomes smaller toward the outer side in the radial direction. By reducing the flow path cross-sectional area of the fluidity material guide passage 141 toward the downstream side, the fluidity base material can be further increased in speed.

さらに、誘導部材１４０は、粉体側領域Ｅ２における粉体材料を径方向外方に位置する混合領域に向かって案内する粉体用案内通路１４２を有する。粉体用案内通路１４２は、少なくとも径方向内方において、仕切部１４３を介して、流動性材料用案内通路１４１とは独立して形成されている。ただし、粉体用案内通路１４２における径方向外方は、流動性材料用案内通路１４１における径方向外方に連通している。つまり、流動性材料用案内通路１４１の径方向外方に位置する混合領域における流動性基材料または流動性混合材料の流通に伴って、粉体用案内通路１４２を介して粉体側領域Ｅ２における粉体材料を混合領域へ誘導することができる。   Further, the guide member 140 has a powder guide passage 142 that guides the powder material in the powder side region E2 toward the mixing region located radially outward. The powder guide passage 142 is formed at least inward in the radial direction, independently of the flowable material guide passage 141 via the partition portion 143. However, the radially outward direction of the powder guide passage 142 communicates with the radially outward direction of the flowable material guide passage 141. That is, in the powder side region E2 through the powder guide passage 142, the flow of the fluid base material or the fluid mixture material in the mixing region located radially outward of the fluid material guide passage 141 is caused. The powder material can be guided to the mixing zone.

この粉体用案内通路１４２は、流動性材料用案内通路１４１と同様の方向に延びるように形成されており、径方向外方に行くに従って誘導部材１４０の回転方向とは反対方向（回転羽根１３０の回転方向）に位相がずれるように形成されている。さらに、粉体用案内通路１４２は、径方向外方に行くに従って流路断面積が小さくなるように形成されている。このように流動性材料用案内通路１４１および粉体用案内通路１４２を形成することで、粉体側領域Ｅ２における粉体材料を混合領域へより効果的に誘導することができる。さらに、粉体用案内通路の流路断面積を下流に向かって小さくすることで、粉体材料を混合領域へより誘導しやすくなる。   The powder guide passage 142 is formed so as to extend in the same direction as the flowable material guide passage 141, and the direction opposite to the rotation direction of the guide member 140 (the rotary blade 130) as it goes outward in the radial direction. In the rotation direction). Furthermore, the powder guide passage 142 is formed so that the cross-sectional area of the flow path decreases as it goes outward in the radial direction. By forming the flowable material guide passage 141 and the powder guide passage 142 in this manner, the powder material in the powder side region E2 can be more effectively guided to the mixing region. Furthermore, by reducing the flow passage cross-sectional area of the powder guide passage toward the downstream, the powder material can be more easily guided to the mixing region.

第一環状分散部材１５０（第一回転体）は、中心に貫通孔を有する環状に形成されており、回転羽根１３０の下縁に一体的に連結されている。第一環状分散部材１５０は、円盤部１５１、第一内周側凸歯１５２、第一外周側凸歯１５３を備える。円盤部１５１は、回転羽根１３０の下縁に連結されており、その中心孔が流動性材料用吸入口１１１に連通している。第一内周側凸歯１５２は、誘導部材１４０の径方向外方（誘導部材１４０の下流側）である混合領域に配置されており、円盤部１５１の上面から軸方向上方（流動性混合材料の流通方向に直交する方向）に突出するように、かつ、周方向に複数形成されている。第一外周側凸歯１５３は、第一内周側凸歯１５２の径方向外方であって円盤部１５１の外周縁から軸方向上方に突出するように、かつ、周方向に複数形成されている。   The first annular dispersion member 150 (first rotating body) is formed in an annular shape having a through hole at the center, and is integrally connected to the lower edge of the rotary blade 130. The first annular dispersion member 150 includes a disk portion 151, first inner peripheral convex teeth 152, and first outer peripheral convex teeth 153. The disk portion 151 is connected to the lower edge of the rotary blade 130, and the center hole thereof communicates with the fluid material suction port 111. The first inner peripheral convex teeth 152 are arranged in a mixing region that is radially outward of the guide member 140 (downstream of the guide member 140), and axially upward (flowable mixed material) from the upper surface of the disk portion 151. Are formed in the circumferential direction so as to project in the circumferential direction. A plurality of first outer peripheral convex teeth 153 are formed radially outwardly of the first inner peripheral convex teeth 152 and projecting upward in the axial direction from the outer peripheral edge of the disk portion 151, and are formed in the circumferential direction. Yes.

つまり、第一内周側凸歯１５２および第一外周側凸歯１５３は、軸方向上方に先端を有し、周方向に連続する櫛歯状に形成されている。これら第一内周側凸歯１５２および第一外周側凸歯１５３の歯先は、第二環状分散部材１６０に対して相対回転可能となるように僅かな隙間を有している。そして、第一内周側凸歯１５２および第一外周側凸歯１５３の周方向縁面は、周方向にそれぞれ隣り合う第一内周側凸歯１５２および第一外周側凸歯１５３の歯先側の隙間幅が歯元側の隙間幅とほぼ同程度となるように形成されている。   That is, the 1st inner peripheral side convex tooth 152 and the 1st outer peripheral side convex tooth 153 have the front-end | tip in the axial direction upper part, and are formed in the comb-tooth shape which continues in the circumferential direction. The tips of the first inner peripheral convex teeth 152 and the first outer peripheral convex teeth 153 have a slight gap so that they can rotate relative to the second annular dispersion member 160. The circumferential edges of the first inner peripheral convex teeth 152 and the first outer peripheral convex teeth 153 are tooth tips of the first inner peripheral convex teeth 152 and the first outer peripheral convex teeth 153 that are adjacent in the circumferential direction, respectively. The gap width on the side is substantially the same as the gap width on the tooth base side.

第二環状分散部材１６０（第二回転体）は、第一環状分散部材１５０との相対動作によって、流動性混合材料を分散する。この第二環状分散部材１６０は、誘導部材１４０の外周面から径方向外方に位置するように、当該外周面に連結されている。つまり、第二環状分散部材１６０は、誘導部材と一体的に回転可能とされている。この第二環状分散部材１６０は、第二内周側凸歯１６１および第二外周側凸歯１６２を備える。   The second annular dispersion member 160 (second rotating body) disperses the fluid mixed material by a relative operation with the first annular dispersion member 150. The second annular dispersion member 160 is connected to the outer peripheral surface so as to be located radially outward from the outer peripheral surface of the guide member 140. That is, the second annular dispersion member 160 can rotate integrally with the guide member. The second annular dispersion member 160 includes second inner peripheral convex teeth 161 and second outer peripheral convex teeth 162.

第二内周側凸歯１６１および第二外周側凸歯１６２は、ハウジング１１０の内面から軸方向下方（第一内周側凸歯１５２の突出方向とは反対方向）に突出するように、かつ、周方向に複数形成されている。第二内周側凸歯１６１は、第一内周側凸歯１５２より下流側（径方向外方）であって、第一外周側凸歯１５３の上流側（径方向内方）に配置されており、それらに対して流動性混合材料の流通方向に対向するように配置されている。また、第二外周側凸歯１６２は、第一外周側凸歯１５３の下流側（径方向外方）に、当該第一外周側凸歯１５３に対して流動性混合材料の流通方向に対向するように配置されている。   The second inner peripheral convex teeth 161 and the second outer peripheral convex teeth 162 protrude from the inner surface of the housing 110 downward in the axial direction (the direction opposite to the protruding direction of the first inner peripheral convex teeth 152), and A plurality are formed in the circumferential direction. The second inner circumferential convex tooth 161 is disposed downstream (in the radial direction) from the first inner circumferential convex tooth 152 and upstream (in the radial direction) from the first outer circumferential convex tooth 153. They are arranged so as to face the flow direction of the fluid mixed material. Moreover, the 2nd outer peripheral convex tooth 162 opposes the flow direction of a fluid mixed material with respect to the said 1st outer peripheral convex tooth 153 in the downstream (radially outward) of the 1st outer peripheral convex tooth 153. Are arranged as follows.

第二内周側凸歯１６１および第二外周側凸歯１６２の歯先は、第一環状分散部材１５０の円盤部１５１に対して僅かな隙間を有している。そして、第二内周側凸歯１６１および第二外周側凸歯１６２の周方向縁面は、周方向にそれぞれ隣り合う第二内周側凸歯１６１および第二外周側凸歯１６２の歯先側の隙間幅が歯元側の隙間幅とほぼ同程度となるように形成されている。   The tips of the second inner peripheral convex teeth 161 and the second outer peripheral convex teeth 162 have a slight gap with respect to the disk portion 151 of the first annular dispersion member 150. The circumferential edges of the second inner peripheral convex teeth 161 and the second outer peripheral convex teeth 162 are tooth tips of the second inner peripheral convex teeth 161 and the second outer peripheral convex teeth 162 that are adjacent in the circumferential direction, respectively. The gap width on the side is substantially the same as the gap width on the tooth base side.

第一駆動装置３００は、回転仕切部材１２０の筒軸部１２１の上端外周面を回転駆動する。第一駆動装置３００は、モータ３０１と、モータ３０１の出力軸に固定された駆動プーリ３０２と、筒軸部１２１の外周面に固定された従動プーリ３０３と、駆動プーリ３０２と従動プーリ３０３とを懸架するベルト３０４とを備える。つまり、モータ３０１が動作することによって、駆動プーリ３０２の回転駆動がベルト３０４を介して従動プーリ３０３に伝達される。このようにして、回転仕切部材１２０と、回転仕切部材１２０に連結されている回転羽根１３０および第一環状分散部材１５０とが回転する。   The first driving device 300 rotationally drives the outer peripheral surface of the upper end of the cylindrical shaft portion 121 of the rotating partition member 120. The first driving device 300 includes a motor 301, a driving pulley 302 fixed to the output shaft of the motor 301, a driven pulley 303 fixed to the outer peripheral surface of the cylindrical shaft portion 121, a driving pulley 302 and a driven pulley 303. And a suspended belt 304. That is, when the motor 301 operates, the rotational drive of the drive pulley 302 is transmitted to the driven pulley 303 via the belt 304. In this way, the rotary partition member 120, the rotary blade 130 and the first annular dispersion member 150 connected to the rotary partition member 120 rotate.

第二駆動装置４００は、誘導部材１４０の回転被支持部１４４の上端外周面を回転駆動する。第二駆動装置４００は、モータ４０１と、モータ４０１の出力軸に固定された駆動プーリ４０２と、回転被支持部１４４の外周面に固定された従動プーリ４０３と、駆動プーリ４０２と従動プーリ４０３とを懸架するベルト４０４とを備える。つまり、モータ４０１が動作することによって、駆動プーリ４０２の回転駆動がベルト４０４を介して従動プーリ４０３に伝達される。このようにして、誘導部材１４０および誘導部材１４０に連結されている第二環状分散部材１６０が回転する。ここで、第二駆動装置４００のモータ４０１の回転方向は、第一駆動装置３００のモータ３０１の回転方向と逆方向とされている。   The second driving device 400 rotationally drives the outer peripheral surface of the upper end of the rotation supported portion 144 of the guide member 140. The second driving device 400 includes a motor 401, a driving pulley 402 fixed to the output shaft of the motor 401, a driven pulley 403 fixed to the outer peripheral surface of the rotation supported portion 144, a driving pulley 402 and a driven pulley 403, And a belt 404 for suspending the belt. That is, when the motor 401 operates, the rotational drive of the drive pulley 402 is transmitted to the driven pulley 403 via the belt 404. In this way, the guide member 140 and the second annular dispersion member 160 connected to the guide member 140 rotate. Here, the rotation direction of the motor 401 of the second drive device 400 is opposite to the rotation direction of the motor 301 of the first drive device 300.

以上説明した混合分散装置の作用について説明する。第一駆動装置３００のモータ３０１が正回転することにより、回転仕切部材１２０、回転羽根１３０、第一環状分散部材１５０が、ハウジング１１０に対して正回転する（図２および図３の右回り）。一方、第二駆動装置４００のモータ４０１が逆回転（モータ３０１の正回転の反対方向の回転）することにより、誘導部材１４０および第二環状分散部材１６０が、ハウジング１１０に対して逆回転する（図２および図３の左回り）。   The operation of the mixing and dispersing apparatus described above will be described. When the motor 301 of the first drive device 300 rotates in the forward direction, the rotating partition member 120, the rotating blade 130, and the first annular dispersion member 150 rotate in the forward direction with respect to the housing 110 (clockwise in FIGS. 2 and 3). . On the other hand, when the motor 401 of the second drive device 400 rotates in the reverse direction (rotation in the direction opposite to the normal rotation of the motor 301), the guide member 140 and the second annular dispersion member 160 rotate in reverse with respect to the housing 110 ( 2 and FIG. 3 counterclockwise).

そうすると、回転羽根１３０と誘導部材１４０とが相対回転することにより、回転羽根１３０と誘導部材１４０とによりディフューザポンプとしての作用が生じ、流動性基材料が流動性材料用吸入口１１１から流動性材料側領域Ｅ１に吸入される。吸入された流動性基材料は、回転羽根１３０および流動性材料用案内通路１４１を通過して、混合領域に送出される。そして、流動性基材料の流通によって、粉体材料が粉体用吸入口１２１ｂから粉体側領域Ｅ２に吸入される。吸入された粉体材料は、粉体用案内通路１４２を通過して、混合領域に誘導される。   Then, when the rotary blade 130 and the guide member 140 rotate relative to each other, the rotary blade 130 and the guide member 140 act as a diffuser pump, and the fluid base material flows from the fluid material inlet 111 to the fluid material. Inhaled into the side region E1. The sucked fluid base material passes through the rotary blade 130 and the fluid material guide passage 141 and is delivered to the mixing region. The powder material is sucked into the powder side region E2 from the powder suction port 121b by the flow of the fluid base material. The sucked powder material passes through the powder guide passage 142 and is guided to the mixing region.

混合領域においては、第一環状分散部材１５０と第二環状分散部材１６０が配置されている。そして、径方向内方から径方向外方に向かって、第一内周側凸歯１５２、第二内周側凸歯１６１、第一外周側凸歯１５３、第二外周側凸歯１６２の順に配置されており、相互に相対回転している。従って、誘導部材１４０から送出された流動性基材料および粉体材料は、混合されつつ、それぞれの凸歯１５２，１５３，１６１，１６２によるせん断力によって分散される。そして、第二外周側凸歯１６２を通過した流動性混合材料は、排出口１１３から外部へ排出される。このようにして、均質な流動性混合材料が生成される。   In the mixing region, the first annular dispersion member 150 and the second annular dispersion member 160 are disposed. Then, from the radially inner side toward the radially outer side, the first inner circumferential convex teeth 152, the second inner circumferential convex teeth 161, the first outer circumferential convex teeth 153, and the second outer circumferential convex teeth 162 are arranged in this order. Arranged and rotating relative to each other. Accordingly, the fluid base material and the powder material delivered from the guide member 140 are dispersed by the shearing force of the respective convex teeth 152, 153, 161, 162 while being mixed. And the fluid mixed material which passed the 2nd outer peripheral side convex tooth 162 is discharged | emitted from the discharge port 113 outside. In this way, a homogeneous flowable mixed material is produced.

ところで、流動性基材料を混合領域へ流通させるために、回転羽根１３０を回転させると共に、誘導部材１４０を回転羽根１３０の反対方向に回転させることとした。このようにすることで、回転羽根１３０と誘導部材１４０との回転速度差を大きくすることができる。これにより、回転羽根１３０の回転速度を低くしたとしても、流動性材料用案内通路１４１から混合領域へ流動する流動性材料を増速することができる。その結果、粉体側領域Ｅ２から混合領域へ粉体材料を確実に誘導することができる。そして、回転羽根１３０の回転速度を高くしなくても良いため、回転アンバランスによる振動の発生および騒音の発生を抑制することができる。   By the way, in order to distribute | circulate a fluid base material to a mixing area | region, while rotating the rotary blade 130, it decided to rotate the guide member 140 in the opposite direction of the rotary blade 130. FIG. By doing in this way, the rotational speed difference of the rotary blade 130 and the guide member 140 can be enlarged. Thereby, even if the rotational speed of the rotary blade 130 is lowered, the fluid material that flows from the fluid material guide passage 141 to the mixing region can be accelerated. As a result, the powder material can be reliably guided from the powder side region E2 to the mixing region. And since it is not necessary to make the rotational speed of the rotary blade 130 high, generation | occurrence | production of the vibration by a rotation imbalance and generation | occurrence | production of noise can be suppressed.

さらに、第一環状分散部材１５０と第二環状分散部材１６０は、それぞれ回転羽根１３０と誘導部材１４０とに連結されている。従って、これらを回転するための専用の駆動装置を設置することなく、第一環状分散部材１５０と第二環状分散部材１６０とによる分散能力を得ることができる。   Further, the first annular dispersion member 150 and the second annular dispersion member 160 are connected to the rotary blade 130 and the guide member 140, respectively. Therefore, it is possible to obtain the dispersion ability of the first annular dispersion member 150 and the second annular dispersion member 160 without installing a dedicated drive device for rotating them.

１１１：流動性材料用吸入口、 １１２：円筒状開口部、 １１３：排出口、 １２０：回転仕切部材、 １２１ｂ：粉体用吸入口、 １２２：仕切板、 １３０：回転羽根、 １４０：誘導部材、 １４１：流動性材料用案内通路、 １４２：粉体用案内通路、 １４３：仕切部、 １４４ 回転被支持部、 １５０：第一環状分散部材（第一回転体）、 １６０：第二環状分散部材（第二回転体）、 ２００：粉体ホッパ、 ３００：第一駆動装置、 ４００：第二駆動装置、 Ｅ１：流動性材料側領域、 Ｅ２：粉体側領域 111: Inlet for fluid material, 112: Cylindrical opening, 113: Outlet, 120: Rotating partition member, 121b: Inlet for powder, 122: Partition plate, 130: Rotating blade, 140: Guide member, 141: Guide passage for flowable material, 142: Guide passage for powder, 143: Partition part, 144 Rotating supported part, 150: First annular dispersion member (first rotator), 160: Second annular dispersion member ( Second rotating body), 200: powder hopper, 300: first driving device, 400: second driving device, E1: flowable material side region, E2: powder side region

Claims (5)

流動性材料と粉体材料とを混合し分散する混合分散装置において、
前記流動性材料の吸入口側の流動性材料側領域と前記粉体材料の吸入口側の粉体側領域とを仕切る仕切板と、
前記流動性材料側領域に回転可能に配置され、径方向内方から吸入した前記流動性材料を径方向外方へ送出する回転羽根と、
前記回転羽根から送出された前記流動性材料をさらに径方向外方の混合領域に向かって増速して送出する流動性材料用案内通路を有し、前記混合領域における前記流動性材料の流通に伴って前記粉体側領域における前記粉体材料を前記混合領域へ誘導する誘導部材と、
を備え、
前記誘導部材は、前記回転羽根の回転方向の逆方向に回転する、混合分散装置。 In a mixing and dispersing device that mixes and disperses a fluid material and a powder material,
A partition plate that partitions a flowable material side region on the suction port side of the flowable material and a powder side region on the suction port side of the powder material;
A rotary vane that is rotatably arranged in the flowable material side region, and sends out the flowable material sucked from the radially inner side to the radially outer side;
A flow path for the flowable material that further increases the speed of the flowable material fed from the rotating blades toward the radially outer mixing region and delivers the flowable material, and distributes the flowable material in the mixing region. A guiding member that guides the powder material in the powder side region to the mixing region,
With
The mixing / dispersing device, wherein the guide member rotates in a direction opposite to a rotation direction of the rotary blade. 前記誘導部材は、前記粉体側領域における前記粉体材料を前記混合領域に向かって案内する粉体用案内通路を有する、請求項１の混合分散装置。   The mixing / dispersing device according to claim 1, wherein the guide member includes a powder guide passage for guiding the powder material in the powder side region toward the mixing region. 前記流動性材料用案内通路および前記粉体用案内通路は、径方向外方に行くに従って前記誘導部材の回転方向とは反対方向に位相がずれるように形成されている、請求項２の混合分散装置。   The mixing and dispersing according to claim 2, wherein the flow path for the flowable material and the guide path for the powder are formed so that a phase is shifted in a direction opposite to a rotation direction of the guide member as going outward in the radial direction. apparatus. 前記流動性材料用案内通路および前記粉体用案内通路は、径方向外方に行くに従って流路断面積が小さくなるように形成されている、請求項２または３の混合分散装置。   The mixing / dispersing device according to claim 2 or 3, wherein the flow path for the flowable material and the guide path for the powder are formed such that a cross-sectional area of the flow path decreases as going outward in the radial direction. 前記混合分散装置は、
前記誘導部材より下流側に配置され、前記回転羽根に連結され前記回転羽根と一体的に回転可能な第一回転体と、
前記第一回転体より下流側に配置され、前記誘導部材に連結され前記誘導部材と一体的に回転可能であり、前記第一回転体とにより前記流動性材料と前記粉体材料との混合材料を分散させる第二回転体と、
をさらに備える、請求項１〜４の何れか一項の混合分散装置。 The mixing and dispersing device includes:
A first rotating body that is disposed downstream of the guide member, is connected to the rotating blade, and is rotatable integrally with the rotating blade;
Disposed on the downstream side of the first rotating body, connected to the guiding member and rotatable integrally with the guiding member, and a mixed material of the fluid material and the powder material by the first rotating body A second rotating body for dispersing
The mixing and dispersing apparatus according to any one of claims 1 to 4, further comprising:
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