CN1854389A - Transmission case of parallel rotary spiral paste mill - Google Patents
Transmission case of parallel rotary spiral paste mill Download PDFInfo
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- CN1854389A CN1854389A CN 200510013361 CN200510013361A CN1854389A CN 1854389 A CN1854389 A CN 1854389A CN 200510013361 CN200510013361 CN 200510013361 CN 200510013361 A CN200510013361 A CN 200510013361A CN 1854389 A CN1854389 A CN 1854389A
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Abstract
A new type of homodromy paste mill wheel box with twin-screw which has the following characters: a drive gear wheel with two uniform idlers joggled on its two sides, was fixed on power input axis; two driven idlers with each driven gear joggled on them, was fixed on the idler axis; the two idler axises and two power output axises were placed on the same plane. Load on driven wheels and idlers were reduced in this wheel box and base of the box is easy to assemble so that the cost was reduced.
Description
Technical field
The invention belongs to the pulp and paper industry machinery technical field, especially a kind of novel transmission case of parallel rotary spiral paste mill.
Background technology
Parallel rotary spiral paste mill is a kind of fiberizer of producing paper making pulps with plant fiber material, for the rotation in the same way that realizes twin-screw is rotated, the transmission case of this machine adopts the driving gear of power power shaft to drive the asymmetric drive mechanism (6 gears) of two screw rods axle driven gear respectively by idler gear always, perhaps asymmetric pair drive mechanism (10 gears) is to realize the distribution of power.
Along with the increase of parallel rotary spiral paste mill screw diameter and the raising of production efficiency, require parallel rotary spiral paste mill to have more high pulling torque and Geng Gao rotating speed, the performance of existing transmission case of parallel rotary spiral paste mill is difficult to adapt with it.
The art designs of existing transmission case of parallel rotary spiral paste mill drive mechanism is many, but all exists many problems.By retrieval, some disclosed patents have been found, as " monoblock type double screw extruder transmission case " (patent No. is 93203125.0), " a kind of transmission case that is used for double screw extruder " (patent No. is 94225570.4) and " extruder reduction box " (patent No. is 98225919.0), these several the disclosed technical pattern more complicated of patent, power division is not too reasonable, and drive mechanism is asymmetric; And processing, assembling and detection are inconvenient.
Summary of the invention:
The objective of the invention is to overcome the defective that exists in the prior art, by the remarkable innovation to drive mechanism, it is reasonable to propose a kind of scientific structure design, can satisfy the transmission case of parallel rotary spiral paste mill of high speed, high torque demand.
The present invention realizes that the technical scheme of purpose is:
This transmission case of parallel rotary spiral paste mill, a power power shaft is housed on casing, two idler shafts and two power output shafts, these two power output shafts are connected with two screw rods by shaft coupling respectively, it is characterized in that: be fixed with a driving gear on the power power shaft in casing, this driving gear bilateral symmetry is engaged with two idle pulleys that size is identical, on the idler shaft that these two idle pulleys are installed, all be fixed with two identical driven idle pulleys of size, these two driven idle pulleys mesh two driven gears that size is identical that all are fixed with power output shaft on it, two idler shafts respectively, two power output shafts are arranged on same plane.
And two power output shaft ends in casing all are equipped with the thrust bearing group.
And described two idler shafts, two power output shafts, all idle pulley and the assembling basal plane of bearing overlap with the faying face of case lid and casing.
And described case lid and casing adopt two cavity configurations.
Remarkable advantage of the present invention and good effect are:
The transmission sports applications of design the basic principle of power dividing, realized that power just begins power dividing from driving gear, and symmetrical transmission, idle pulley on two idler shafts is identical, two driven gears are identical, make design of gears fairly simple, and two idler shaft loads are less.The implication of above-mentioned power dividing basic principle is that the power of two idler shafts and power output shaft transmission equates and be half of input power in transmission case of parallel rotary spiral paste mill.Moment of torsion and stress that the two pairs of idle pulleys bear reduce, and have reduced the dimension volume of idle pulley and idler shaft, have improved their bearing capacity.And the idler shaft of this transmission case of parallel rotary spiral paste mill and power output shaft all on flask joint, make transmission case be easy to processing, assembling and detection.
Description of drawings
Fig. 1 is the structure vertical view that removes case lid of the present invention;
Fig. 2 is the gear layout side view of Fig. 1.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are further described:
The transmission case of parallel rotary spiral paste mill of present embodiment as shown in Figure 1 and Figure 2, whole transmission case is divided into case lid 15 and casing 4, the two is the spiral-lock form, covers by the bolt (not shown) on flask joint 14, and various drive disk assemblies are installed in the transmission case.The outer motor reel (not shown) of casing connects power power shaft 12 by yielding coupling 13, the other end of this power power shaft in casing is fixed with a driving gear 11, this driving gear bilateral symmetry is engaged with two idle pulleys 10 that size is identical, the idler shaft 9 of these two idle pulleys all is packed on the casing, on the idler shaft that these two idle pulleys are installed, all be fixed with two identical driven idle pulleys 5 of size, these two driven idle pulleys mesh the identical driven gear 6 of two sizes that all is fixed with power output shaft 7 on it, these two idler shafts respectively, two power output shafts are arranged on same plane.These two power output shafts are connected with two screw rods 1,2 respectively by shaft coupling 3 outside casing.
End at two above-mentioned power output shafts all is equipped with thrust bearing group 8, is used for bearing when two screw rods rotate the extruding defibrination in the same way the very big axial force that produces.The installation position of power power shaft, power output shaft, idler shaft and casing all is equipped with bearing, and these bearings do not have label.
For the ease of processing, assembling with detect, idler shaft, power output shaft, all idle pulley and the assembling basal plane of bearing and the faying face of case lid and casing are to locate at grade, are coincidence status, and case lid and casing adopt two cavity configurations, referring to Fig. 1.
Operation principle of the present invention is:
The power power shaft drives fixing top driving gear and rotates, this driving gear drives two idle pulleys simultaneously and rotates in the same way, thereby driving idler shaft rotates, make two driven idle pulleys that are fixed on idler shaft rotate in the same way, two driven gears that these two driven idle pulleys drive again on the power output shaft simultaneously rotate in the same way, rotate in the same way thereby drive two screw rods.
The main feature of transmission case of parallel rotary spiral paste mill of the present invention is according to the power dividing principle, and two idler shafts and two driven shafts adopt the symmetric design structure, make designing and calculating simple, and bearing load reduces on idle pulley and the driven gear, and bearing capacity strengthens; The assembling basal plane of two idler shafts and two power output shafts and gear and bearing all overlaps with the faying face of transmission-case cover and transmission case body, makes transmission-case cover and casing be easy to processing, is convenient to assembling and detects the manufacturing cost reduction.
Transmission case of parallel rotary spiral paste mill of the present invention can also be used for the transmission case of homodromal twin-screw extruder in plastics and homodromal double screw extruder of rubber industry and the food industry.
Claims (4)
1. transmission case of parallel rotary spiral paste mill, a power power shaft is housed on casing, two idler shafts and two power output shafts, these two power output shafts are connected with two screw rods by shaft coupling respectively, it is characterized in that: be fixed with a driving gear on the power power shaft in casing, this driving gear bilateral symmetry is engaged with two idle pulleys that size is identical, on the idler shaft that these two idle pulleys are installed, all be fixed with two identical driven idle pulleys of size, these two driven idle pulleys mesh two driven gears that size is identical that all are fixed with power output shaft on it, two idler shafts respectively, two power output shafts are arranged on same plane.
2. transmission case of parallel rotary spiral paste mill according to claim 1 is characterized in that: two power output shaft ends in casing all are equipped with the thrust bearing group.
3. transmission case of parallel rotary spiral paste mill according to claim 1 and 2 is characterized in that: described two idler shafts, two power output shafts, all idle pulley and the assembling basal plane of bearing overlap with the faying face of case lid and casing.
4. according to the described transmission case of parallel rotary spiral paste mill of claim 3, it is characterized in that: described case lid and casing adopt two cavity configurations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100133610A CN100549460C (en) | 2005-04-27 | 2005-04-27 | Transmission case of parallel rotary spiral paste mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100133610A CN100549460C (en) | 2005-04-27 | 2005-04-27 | Transmission case of parallel rotary spiral paste mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1854389A true CN1854389A (en) | 2006-11-01 |
| CN100549460C CN100549460C (en) | 2009-10-14 |
Family
ID=37194818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100133610A Expired - Fee Related CN100549460C (en) | 2005-04-27 | 2005-04-27 | Transmission case of parallel rotary spiral paste mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100549460C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439884A (en) * | 2021-12-27 | 2022-05-06 | 大连橡胶塑料机械有限公司 | Output shaft phase adjusting device of homodromous synchronous double-output speed reducer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3824875A (en) * | 1973-05-21 | 1974-07-23 | Egan Machinery Co | Drive for twin screw extruder |
| IT1212541B (en) * | 1982-12-28 | 1989-11-30 | Stefano De Bernardi | THEIR AND ITS APPLICATIONS TO AN EXTRUDED TRANSMISSION DEVICE SAY TWO SCREWS, HIGH ROTATION TORQUES TO TWO EXTREMELY CLOSE SHAFTS WHICH ARE ALSO SUBJECT TO STRONG ASSIA THRUST |
| DE3477041D1 (en) * | 1984-06-20 | 1989-04-13 | Bausano & Figli Spa | High torque drive means for two very closes shafts which are also subjected to strong axial thrusts and application thereof to a double screw extruder |
| US5213010A (en) * | 1991-05-07 | 1993-05-25 | Toshiba Kikai Kabushiki Kaisha | Driver power transmitting apparatus of twin shaft extruders |
| JP3763648B2 (en) * | 1996-11-07 | 2006-04-05 | 東芝機械株式会社 | Drive transmission device for twin screw extruder |
-
2005
- 2005-04-27 CN CNB2005100133610A patent/CN100549460C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114439884A (en) * | 2021-12-27 | 2022-05-06 | 大连橡胶塑料机械有限公司 | Output shaft phase adjusting device of homodromous synchronous double-output speed reducer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100549460C (en) | 2009-10-14 |
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Granted publication date: 20091014 Termination date: 20120427 |