JP2590173Y2 - Drive for twin screw extruder - Google Patents
Drive for twin screw extruderInfo
- Publication number
- JP2590173Y2 JP2590173Y2 JP1990403762U JP40376290U JP2590173Y2 JP 2590173 Y2 JP2590173 Y2 JP 2590173Y2 JP 1990403762 U JP1990403762 U JP 1990403762U JP 40376290 U JP40376290 U JP 40376290U JP 2590173 Y2 JP2590173 Y2 JP 2590173Y2
- Authority
- JP
- Japan
- Prior art keywords
- gear
- torque
- shaft
- separating
- separation
- 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 - Fee Related
Links
Landscapes
- Gears, Cams (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は２軸押出機のトルク分離
歯車の噛合い不良を極力抑制するための２軸押出機用駆
動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 drive device for a twin-screw extruder for minimizing poor meshing of a torque separating gear of a twin-screw extruder.
【０００２】[0002]
【従来の技術】２軸押出機用駆動装置は、スクリュ間距
離が狭い上に、大トルク伝達を行い、しかも２軸間の位
相差、即ち軸方向変位、捩り角の相互差が小さい事が要
求されている。2. Description of the Related Art A drive device for a twin-screw extruder has a small distance between screws, transmits a large torque, and has a small phase difference between the two shafts, that is, a mutual difference in axial displacement and torsion angle. Has been requested.
【０００３】図３に示す従来の２軸押出機用駆動装置で
は、第１スクリュ軸１は原動機より第１減速段の出力歯
車３により直接駆動され、第２スクリュ軸２は、前記第
１スクリュ軸１に固着された第１歯車４に噛合う第１ト
ルク分離歯車５によりトルク分離され、トルク分離軸６
に固着された第２トルク分離歯車７と噛合う第２歯車８
により駆動される。そして第１スクリュ軸１と第２スク
リュ軸２とでスクリュの噛合い中心距離Ｅ1 を構成して
いる。Ｅ2 は第２スクリュ軸２に固着した第２歯車８と
トルク分離軸６に固着された第２トルク分離歯車７との
中心間距離を示す。In the conventional drive device for a twin-screw extruder shown in FIG. 3, a first screw shaft 1 is directly driven by an output gear 3 of a first reduction stage from a motor, and a second screw shaft 2 is driven by the first screw. The torque is separated by a first torque separation gear 5 meshing with a first gear 4 fixed to the shaft 1, and a torque separation shaft 6
Second gear 8 meshing with the second torque separating gear 7 fixed to the
Driven by Then constitutes a center distance E 1 meshing of the screw in the first screw shaft 1 and the second screw shaft 2. E 2 indicates the center distance between the second gear 8 fixed to the second screw shaft 2 and the second torque separating gear 7 fixed to the torque separating shaft 6.
【０００４】[0004]
【考案が解決しようとする課題】図３の従来装置では、
加工誤差や組立誤差によってトルク分離軸６とトルク分
離歯車７に軸心のずれを生じている場合、トルク分離軸
６とトルク分離歯車７が固着されていると、トルク分離
歯車７の噛合いに前記の誤差が直接反映されることにな
り、騒音若しくは寿命の劣化を招く問題があった。[Problems to be Solved by the Invention] In the conventional apparatus shown in FIG.
If the torque separation shaft 6 and the torque separation gear 7 are misaligned due to a machining error or an assembly error, if the torque separation shaft 6 and the torque separation gear 7 are fixed, the meshing of the torque separation gear 7 may occur. The above error is directly reflected, and there is a problem that noise or deterioration of life is caused.
【０００５】本考案はトルク分離軸とトルク分離歯車の
軸心のずれを吸収するために、同トルク分離軸とトルク
分離歯車を分割構造とすると共に、インボリュートスプ
ラインによって結合する。このようにトルク分離歯車の
噛合いに悪影響を与えない構造とすることにより、前記
従来の課題を解決しようとするものである。According to the present invention, the torque separating shaft and the torque separating gear have a divided structure and are connected by an involute spline in order to absorb a deviation between the axes of the torque separating shaft and the torque separating gear. The above-mentioned conventional problem is intended to be solved by adopting a structure which does not adversely affect the meshing of the torque separating gear.
【０００６】[0006]
【課題を解決するための手段】このため本考案は、駆動
源に連結する第１歯車と一体の第１スクリュ軸と、同第
１歯車と噛合う第１トルク分離歯車と、同第１トルク分
離歯車と第２トルク分離歯車とを連結するトルク分離軸
と、同第２トルク分離歯車と噛合うと共に第２スクリュ
軸と一体の第２歯車とからなり、前記第１スクリュ軸と
第２スクリュ軸及びトルク分離軸が夫々並行に配置され
た２軸押出機用駆動装置において、前記第１歯車と第１
トルク分離歯車とを収納する第１歯車箱と前記第２歯車
と第２トルク分離歯車とを収納する第２歯車箱とを分割
構造とし、かつ前記第２トルク分離歯車を中空軸にする
と共に、同中空軸の内径側にインボリュートスプライン
加工を施し、前記トルク分離軸の先端側にインボリュー
トスプライン加工を施して前記第２トルク分離歯車とト
ルク分離軸とをスプライン結合することにより、第１ス
クリュ軸と第２スクリュ軸の捩り角の相互差を小さくす
ると共に、同スプラインを前記第２歯車と第２トルク分
離歯車の歯車噛合部より離して設けてなるもので、これ
を課題解決のための手段とするものである。SUMMARY OF THE INVENTION Accordingly, the present invention provides a first screw shaft integral with a first gear connected to a drive source, a first torque separating gear meshing with the first gear, and a first torque separating gear. A torque separating shaft connecting the separating gear and the second torque separating gear; and a second gear meshing with the second torque separating gear and integral with the second screw shaft. The first screw shaft and the second screw In the drive device for a twin-screw extruder in which a shaft and a torque separation shaft are respectively arranged in parallel, the first gear and the first gear
A first gear box for storing a torque separating gear, a second gear box for storing the second gear and a second torque separating gear, and a hollow shaft for the second torque separating gear; By performing involute spline processing on the inner diameter side of the hollow shaft, performing involute spline processing on the tip side of the torque separation shaft, and spline-connecting the second torque separation gear and the torque separation shaft, the first screw shaft and The difference between the torsional angles of the second screw shaft is reduced, and the spline is divided by the second gear and the second torque.
This is provided apart from the gear meshing portion of the separation gear, and is used as a means for solving the problem.
【０００７】[0007]
【作用】トルク分離軸と第２トルク分離歯車をインボリ
ュートスプラインによって結合することにより、同トル
ク分離軸と第２トルク分離歯車とが互いに摺動可能とな
り、加工、組立誤差により生ずる両者の軸心のずれを吸
収でき、トルク分離歯車の噛合いに悪影響が表われない
構造となり、低騒音、長寿命化が期待できる。The torque separating shaft and the second torque separating gear are connected by an involute spline so that the torque separating shaft and the second torque separating gear can slide with each other. The structure can absorb the displacement and does not adversely affect the meshing of the torque separating gear, so that low noise and long life can be expected.
【０００８】[0008]
【実施例】以下本考案を図面の実施例について説明する
と、図１及び図２は本考案の実施例を示す。なお、図中
１は第１スクリュ軸、２は第２スクリュ軸、３は出力歯
車、４は第１歯車、５は第１トルク分離歯車、８は第２
歯車であり、これらは図３の従来と同一である。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a first embodiment of the present invention; FIG. In the drawings, 1 is a first screw shaft, 2 is a second screw shaft, 3 is an output gear, 4 is a first gear, 5 is a first torque separating gear, and 8 is a second gear.
Gears, which are the same as the conventional gear of FIG.
【０００９】次に図３の従来との相違点について説明す
ると、６′はトルク分離軸で、軸径ｄを有し、その長さ
はｌである。またその先端部にはインボリュートスプラ
イン部６′ａが設けられ、これと中空の第２トルク分離
歯車７′のインボリュートスプライン部７′ａとが噛合
わされている。歯車箱は第１歯車箱９と第２歯車箱９′
に分割されており、このようにすると歯車箱の加工及び
減速機の組立が容易になると共に、コストダウンが図ら
れる。Next, a description will be given of a difference from the prior art shown in FIG. 3. Reference numeral 6 'denotes a torque separation shaft having a shaft diameter d and a length l. Further, an involute spline portion 6'a is provided at the tip thereof, and the involute spline portion 7'a of the hollow second torque separating gear 7 'meshes with this. The gear box is composed of a first gear box 9 and a second gear box 9 '.
In this way, the machining of the gear box and the assembly of the speed reducer are facilitated, and the cost is reduced.
【００１０】[0010]
【考案の効果】以上詳細に説明した如く本考案は，第１
歯車箱と第２歯車箱とを分割構造としたので，歯車箱の
加工・組立を容易化することが出来る反面，両歯車箱の
合せ面の加工誤差によりトルク分離歯車の歯当りを適正
に保つことが困難となる。しかし本考案はトルク分離軸
と第２トルク分離歯車をインボリュートスプラインによ
って結合するようにしたので，加工・組立の際生じるト
ルク分離軸と第２トルク分離歯車の軸心のずれを，イン
ボリュートスプラインにおいて吸収できる。従って第２
トルク分離歯車の噛合いを円滑に行うことが可能とな
り，騒音低減，長寿命化という効果が得られる。また加
工・組立誤差を吸収する目的でスプラインを設けてある
が，スプラインを歯車の噛合部より離して設けてあるの
で，スプライン噛合部で発生する変形を避けることがで
きる。[Effects of the Invention] As described in detail above, the present invention
Since the gearbox and the second gearbox have a split structure,
While machining and assembly can be facilitated,
Appropriate tooth contact of torque separation gear due to machining error of mating surface
Will be difficult to keep. However, according to the present invention, the torque separating shaft and the second torque separating gear are connected by an involute spline, so that the deviation of the shaft center between the torque separating shaft and the second torque separating gear during machining and assembly is absorbed by the involute spline. it can. Therefore the second
The meshing of the torque separating gear can be performed smoothly, and the effects of reducing noise and extending the life can be obtained. Again
Splines are provided to absorb engineering and assembly errors
However, the spline is provided away from the meshing part of the gear.
It is possible to avoid deformation occurring at the spline meshing part.
I can .
【図１】本考案の実施例に係る２軸押出機用駆動装置の
断面図である。FIG. 1 is a sectional view of a driving device for a twin-screw extruder according to an embodiment of the present invention.
【図２】図１におけるトルク分離軸部の要部拡大断面図
である。FIG. 2 is an enlarged sectional view of a main part of a torque separating shaft part in FIG.
【図３】従来の２軸押出機用駆動装置の断面図である。FIG. 3 is a sectional view of a conventional drive device for a twin-screw extruder.
１ 第１スクリュ軸 ２ 第２スクリュ軸 ４ 第１歯車 ５ 第１トルク分離歯車 ６′ トルク分離軸 ６′ａ インボリュートスプライン部 ７′ 第２トルク分離歯車 ７′ａ インボリュートスプライン部 ８ 第２歯車 ９ 第１歯車箱 ９′ 第２歯車箱 DESCRIPTION OF SYMBOLS 1 1st screw shaft 2 2nd screw shaft 4 1st gear 5 1st torque separation gear 6 'torque separation shaft 6'a Involute spline part 7' 2nd torque separation gear 7'a Involute spline part 8 2nd gear 9th 1 gear box 9 '2nd gear box
フロントページの続き (56)参考文献 実開 平２−144413（ＪＰ，Ｕ) 実開 昭61−71422（ＪＰ，Ｕ) 実開 昭61−135053（ＪＰ，Ｕ)Continuation of the front page (56) References JP-A 2-144413 (JP, U) JP-A 61-71422 (JP, U) JP-A 61-135053 (JP, U)
Claims (1)
スクリュ軸と、同第１歯車と噛合う第１トルク分離歯車
と、同第１トルク分離歯車と第２トルク分離歯車とを連
結するトルク分離軸と、同第２トルク分離歯車と噛合う
と共に第２スクリュ軸と一体の第２歯車とからなり、前
記第１スクリュ軸と第２スクリュ軸及びトルク分離軸が
夫々並行に配置された２軸押出機用駆動装置において、
前記第１歯車と第１トルク分離歯車とを収納する第１歯
車箱と前記第２歯車と第２トルク分離歯車とを収納する
第２歯車箱とを分割構造とし、かつ前記第２トルク分離
歯車を中空軸にすると共に、同中空軸の内径側にインボ
リュートスプライン加工を施し、前記トルク分離軸の先
端側にインボリュートスプライン加工を施して前記第２
トルク分離歯車とトルク分離軸とをスプライン結合する
ことにより、第１スクリュ軸と第２スクリュ軸の捩り角
の相互差を小さくすると共に、同スプラインを前記第２
歯車と第２トルク分離歯車の歯車噛合部より離して設け
たことを特徴とする２軸押出機用駆動装置。1. A first gear integrated with a first gear connected to a drive source.
A screw shaft, a first torque separating gear meshing with the first gear, a torque separating shaft connecting the first torque separating gear and the second torque separating gear, and a second torque separating gear meshing with the second torque separating gear; A drive device for a twin-screw extruder, comprising a two-screw shaft and an integral second gear, wherein the first screw shaft, the second screw shaft, and the torque separation shaft are respectively arranged in parallel.
A first gear box that houses the first gear and the first torque separation gear; and a second gear box that houses the second gear and the second torque separation gear, and the second gear separation gear. Into a hollow shaft, an involute spline process is performed on the inner diameter side of the hollow shaft, and an involute spline process is performed on the distal end side of the torque separation shaft.
By spline-connecting the torque separating gear and the torque separating shaft, the mutual difference between the torsional angles of the first screw shaft and the second screw shaft is reduced, and the spline is connected to the second screw shaft .
A driving device for a twin-screw extruder, wherein the driving device is provided apart from a gear meshing portion of a gear and a second torque separating gear .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990403762U JP2590173Y2 (en) | 1990-12-19 | 1990-12-19 | Drive for twin screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990403762U JP2590173Y2 (en) | 1990-12-19 | 1990-12-19 | Drive for twin screw extruder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0490526U JPH0490526U (en) | 1992-08-06 |
| JP2590173Y2 true JP2590173Y2 (en) | 1999-02-10 |
Family
ID=31881491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990403762U Expired - Fee Related JP2590173Y2 (en) | 1990-12-19 | 1990-12-19 | Drive for twin screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2590173Y2 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6171422U (en) * | 1984-10-17 | 1986-05-15 | ||
| JPS61135053U (en) * | 1985-02-13 | 1986-08-22 | ||
| JPH02144413U (en) * | 1989-05-02 | 1990-12-07 |
-
1990
- 1990-12-19 JP JP1990403762U patent/JP2590173Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0490526U (en) | 1992-08-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19960730 |
|
| LAPS | Cancellation because of no payment of annual fees |