CN105317934A - Distribution box for gear staggered engagement of co-rotating twin-screw extruder - Google Patents
Distribution box for gear staggered engagement of co-rotating twin-screw extruder Download PDFInfo
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- CN105317934A CN105317934A CN201410380640.XA CN201410380640A CN105317934A CN 105317934 A CN105317934 A CN 105317934A CN 201410380640 A CN201410380640 A CN 201410380640A CN 105317934 A CN105317934 A CN 105317934A
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Abstract
The invention relates to a distribution box for gear staggered engagement of a co-rotating twin-screw extruder, wherein the distribution box belongs to a part in the co-rotating twin-screw extrude, is particularly applicable to a conical co-rotating twin-screw extruder and can also be used for a parallel co-rotating twin-screw extruder. The distribution box for gear staggered engagement of the co-rotating twin-screw extruder comprises a box body, a driving shaft on which a driving gear is installed, an intermediate shaft on which an intermediate gear is installed and a driven shaft on which a driven shaft is installed, wherein the driving shaft, the intermediate shaft and the driven shaft are installed in the box body through bearings, the number of the intermediate gear is only one, the driving gear is engaged with one portion of the intermediate gear, the other portion of the intermediate gear is engaged with the driven gear, and the axial position of the driving gear in engagement with the intermediate gear and the axial position of the intermediate gear in engagement with the driven gear are staggered. The distribution box for gear staggered engagement of the co-rotating twin-screw extruder has the advantages that the structure is simple, the use is facilitated and the performance is reliable. The co-rotating twin-screw extruder using the distribution box provided by the invention has the advantages of great bearing capacity, high yield, good energy saving effect, high plasticization performance and low noise.
Description
Technical field
The present invention relates to a kind of distributor case, for parallel dual-screw extruding machine, belong to parts in parallel dual-screw extruding machine, be particularly useful for conical parallel dual-screw extruding machine, also can be used for parallel equidirectional two-screw extruder.
Background technique
Distributor case is the important composition parts of double screw extruder, plays vital effect for the transmission of moment and distribution, and its structural design quality, directly has influence on the normal operation of double screw extruder.Double screw extruder distributor case is due to the restriction by pitch distance, especially the distributor case of parallel dual-screw extruding machine, should ensure centre distance and the centerlines of screw rod, requirements such as must meeting again rotating speed such as grade simultaneously, turn to together, high pulling torque, axial bearing capacity are large, design difficulty is larger.
At present, the basic structure of conventional parallel double-screw extruder distributor case be main actuation gear by moment of torsion while passing to driving screw, directly or by coaxial first intermediate gear be meshed with the second intermediate gear, second intermediate gear and the first intermediate gear rotation side are with contrary, be meshed with driven gear by the 3rd intermediate gear coaxial with the second intermediate gear again, make driven gear identical with the sense of rotation of main actuation gear, driven gear is connected with sub-screw, thus makes driving screw, sub-screw rotating in same direction.Yielding poorly of this kind of parallel equidirectional two-screw extruder, energy consumption is high, and because of distributor case intermediate gear more, by the cumulative effect of driving error and metallic elastic distortion, twin-screw engagement link easy break-down.
Chinese patent 200510118915.3 conical parallel dual-screw extruding machine combines the structural feature of taper counter rotation twin screw extruder and parallel equidirectional two-screw extruder, the kind of drive of its distributor case is that driving gear is meshed with an intermediate gear, this intermediate gear is meshed with driven gear, driving gear is connected with main conical screw, driven gear is connected with secondary conical screw, thus makes driving screw, sub-screw rotating in same direction.Driving gear, intermediate gear, driven gear are in the word arrangement of falling product, and engaging position is axially identical.Chinese patent 201020641297.7 1 kinds of technology for conical parallel dual-screw extruding machine distributor case, on the basis of patent 200510118915.3, its distributor case adopts angular wheel.The conical parallel dual-screw extruding machine of these two kinds of technology has the advantages such as high plasticizing, high yield, height be energy-conservation, be widely used in various plastic processing, but because gear shaft is identical to arrangement position, the restriction of requirement is set by distributor case volume and twin-screw position, the outside diameter of gear is less, bearing capacity is less, and require high to gear material, performance is stable not.
Summary of the invention
The object of the invention is to the problem that structure is comparatively complicated, assembling is difficult, product stability is poor, working life is short existed for current parallel dual-screw extruding machine distributor case, a kind of reasonable in design is provided, the rotating speeds such as twin-screw, equidirectional rotation can be ensured, structure is simple, stable performance, the distributor case for parallel dual-screw extruding machine that bearing capacity is high.
The object of the present invention is achieved like this: this distributor case being used for the gear dislocation engagement of parallel dual-screw extruding machine comprises casing, the main driving axle of main actuation gear is installed, the jack shaft of intermediate gear is installed and the driven shaft of driven gear is installed, described main driving axle, jack shaft and driven shaft are all arranged in casing by bearing, it is characterized in that described intermediate gear only has one, described main actuation gear is meshed with intermediate gear, described intermediate gear is meshed with driven gear, the axial position that described main actuation gear engages with intermediate gear, the axial position that intermediate gear engages with driven gear staggers.
Main actuation gear of the present invention is suitable with driven gear length, the length of intermediate gear is equivalent to or is slightly longer than main actuation gear and driven gear length sum, the half Duan Yuzhu actuation gear of intermediate gear is meshed, and second half section of intermediate gear is meshed with driven gear.
When main actuation gear of the present invention, intermediate gear and driven gear are angular wheel, for conical parallel dual-screw extruding machine.
When main actuation gear of the present invention, intermediate gear and driven gear are parallel gears, for parallel equidirectional two-screw extruder.
The front end of casing of the present invention is provided with header board, and the rear end of this casing is provided with rear plate, and these front and rear panels are provided with oil seal cover.
The center line of main driving axle of the present invention is equal to the distance of the center line of jack shaft with the center line of driven shaft to the distance of the center line of jack shaft.
The jack shaft being provided with intermediate gear of the present invention is arranged on above or below the main driving axle being provided with main actuation gear and the driven shaft being provided with driven gear.
The driven the tip of the axis being provided with driven gear of the present invention is provided with self-aligning thrust roller bearing, can bear the large thrust that twin-screw produces, and effectively can promote the overall performance of distributor case.
The large end external diameter of the large end of main actuation gear of the present invention and driven gear is greater than 1/2nd of the centre distance of the large end of diaxon.
Main driving axle in the present invention is input shaft, be connected with the driving mechanism of outside, main actuation gear is driven to rotate by main driving axle, main actuation gear is meshed with a part for intermediate gear, thus driving jack shaft to rotate, another part of the intermediate gear on jack shaft is meshed with driven gear again, drives driven shaft to rotate, thus ensure the rotating speed such as main driving axle and driven shaft, equidirectional rotation, and drive rotating speed, the equidirectional rotations such as twin-screw does.
The present invention compared with prior art, have the following advantages and effect: parallel dual-screw distributor case conventional at present, need the driving gear of many groups can meet the same requirement turned to, and the impact of the factors such as the distortion of the machining error that the many groups driving gear in processing and transmission process adds up, form and position tolerance, material is exaggerated, easily cause driving gear and driven gear running orbit and torque distribution variant, reliability reduces; The present invention only needs main actuation gear, driven gear, intermediate gear three gear transmission, and intermediate gear is a gear, main actuation gear engages with its part, another part is meshed with driven gear, effectively control integrating error, the deformation that reduction intermediate gear causes time stressed, ensure that the accuracy of the transmission of gear, meets parallel dual-screw extruding machine for the rotating speed such as grade of distributor case, with the requirement turned to, high pulling torque, axial bearing capacity are large.
ZL200510118915.3 conical parallel dual-screw extruding machine patent of invention technology and ZL201020641297.7 mono-kind are for the utility model patent technology of conical parallel dual-screw extruding machine distributor case, the structure of the conical parallel dual-screw extruding machine distributor case related to is simple, easy to assembly, but because main actuation gear and driven gear are arranged on same position, the outside diameter of gear is little, the design method of tooth axle one can only be adopted, heat treatment process middle gear distortion strengthen, and gear little cause carrying high pulling torque time reliability not high; Present invention employs the method that main actuation gear and driven gear are installed at axile displacement, add the installing space of main actuation gear and driven gear, therefore main actuation gear and driven gear external diameter programmable larger, the bearing capacity of high pulling torque has had large increase, and the processing method that tooth axle is separated can be adopted, solve the drawback of the heat treatment process middle gear distortion that former technology medium tooth shaft integrally causes, ensure that gear-driven reliability.
Main actuation gear, intermediate gear and driven gear processing in the present invention is easy, transmission efficiency is high, noise is little, and can ensure that main actuation gear is meshed with intermediate gear with intermediate gear and driven gear on gear compound graduation circle line, the large end of gear is identical with little splaying.Angle in the present invention between the angle of the center line of main driving axle and the center line of driven shaft and twin-screw center line is identical.
Structure of the present invention is simple, and reasonable in design, easy to use, reliable performance, uses the parallel dual-screw extruding machine of distributor case of the present invention, has the advantage of high-bearing capacity, high yield, high energy-conservation, high plasticizing capacity, low noise, wide market.
Accompanying drawing explanation
Fig. 1 is the main TV structure schematic diagram for the distributor case of conical parallel dual-screw extruding machine in the embodiment of the present invention.
Fig. 2 is the plan structure schematic diagram for the distributor case of conical parallel dual-screw extruding machine in the embodiment of the present invention.
In figure: 1 header board, 2 distribute case lid, 3 casings, plate after 4,5 main driving axles, the main actuation gear of 6 bearing one, 7,8 bearings two, 9 oil seal covers, 10 bearing three, 11 intermediate gears, 12 jack shafts, 13 bearing four, 14 bearings five, 15 bearing six, 16 bearing seven, 17 driven shafts, 18 driven gears, 19 bearing eight, 20 self-aligning thrust roller bearings.
Embodiment
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment:
See Fig. 1 to Fig. 2, casing 3 is comprised for the distributor case of conical parallel dual-screw extruding machine in the present embodiment, the main driving axle 5 of main actuation gear 7 is installed, the jack shaft 12 of intermediate gear 11 is installed, the driven shaft 17 of driven gear 18 is installed, bearing 1, bearing 28, bearing 3 10, bearing 4 13, bearing 5 14, bearing 6 15, bearing 7 16, bearing 8 19, self-aligning thrust roller bearing 20, wherein, the front end of casing 3 is provided with header board 1, the rear end of this casing 3 is provided with rear plate 4, header board 1 and rear plate 4 are provided with oil seal cover 9, casing 3 in the present embodiment is also provided with one and distributes case lid 2.
The form that tooth axle is separated is taked in the present embodiment, main actuation gear 7, intermediate gear 11, driven gear 18 are connected by key and are arranged on main driving axle 5, jack shaft 12, driven shaft 17 respectively, main actuation gear 7 is suitable with the length of driven gear 18, the length of intermediate gear 11 is slightly longer than main actuation gear 7 and driven gear 18 length sum, main actuation gear 7, driven gear 18, in axial position arranged in dislocation, can ensure that the external diameter of gear maximizes in the confined space.
Main driving axle 5 in the present embodiment, jack shaft 12 and driven shaft 17 are all arranged in casing 3 by bearing, wherein, the front end of driven shaft 17 is arranged on header board 1 by bearing 7 16, the end of this driven shaft 17 is arranged on rear plate 4 by self-aligning thrust roller bearing 20, and the middle part of driven shaft 17 is arranged in casing 3 by bearing 8 19; And the front end of main driving axle 5 is arranged on header board 1 by bearing 28, the middle part of this main driving axle 5 is arranged in casing 3 by bearing 1.
The jack shaft 12 being provided with intermediate gear 11 in the present embodiment is arranged on the below of main driving axle 5 and driven shaft 17, this jack shaft 12 front end is arranged on header board 1 by bearing 3 10, this jack shaft 12 end, by bearing 4 13, bearing 5 14, bearing 6 15, is arranged in casing 3.
Main actuation gear 7 in the present embodiment is meshed with intermediate gear 11 screw rod half section far away, and the nearly screw rod half section of intermediate gear 11 is meshed with driven gear 18, and main actuation gear 7, intermediate gear 11 and driven gear 18 are taper straight-tooth gear.
In the present embodiment, the center line of main driving axle 5 is equal to the distance of the center line of jack shaft 12 with the center line of driven shaft 17 to the distance of the center line of jack shaft 12, and namely the connecting line of the cross section of the center line of the center line of main driving axle 5, the center line of jack shaft 12 and driven shaft 17 is isosceles triangle.
Header board 1 in the present embodiment, distribution case lid 2, casing 3, rear plate 4 and oil seal cover 9 are cast member, main driving axle 5 are provided with successively bearing 28, bearing 1, are connected with header board 1, casing 3, rear plate 4; Jack shaft 12 is provided with successively bearing 3 10, bearing 4 13, bearing 5 14, bearing 6 15, is connected with header board 1, casing 3; Driven shaft 17 is provided with bearing 7 16 successively, bearing 8 19, end are provided with self-aligning thrust roller bearing 20, can bear the large thrust that parallel dual-screw produces, be connected with header board 1, casing 3, rear plate 4.
Main driving axle 5 in the present embodiment is input shaft, mechanism is connected with ex-ternal transmission, moment drives main actuation gear 7 to rotate by main driving axle 5, main actuation gear 7 is meshed with intermediate gear 11 screw rod half section far away, thus drive intermediate gear 11, jack shaft 12 rotate, the nearly screw rod half section of the intermediate gear 11 on jack shaft 12 is meshed with driven gear 18 again, drives driven shaft 17 to rotate, thus ensure main driving axle 5 and the equidirectional rotation of driven shaft 17, and conical double-screw is driven to do equidirectional rotation.The connecting line of main driving axle 5, jack shaft 12, driven shaft 17 3 shaft centre line cross section is isosceles triangle, and top circle and the driven shaft 17 of main actuation gear 7 must have certain gap, and driven gear 18 and main driving axle 5 must have certain gap.
Above content described in the present embodiment is only to structure example of the present invention explanation.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (7)
1. the distributor case of the dislocation of the gear for a parallel dual-screw extruding machine engagement, comprise casing, the main driving axle of main actuation gear is installed, the jack shaft of intermediate gear is installed and the driven shaft of driven gear is installed, described main driving axle, jack shaft and driven shaft are all arranged in casing by bearing, it is characterized in that: described intermediate gear only has one, described main actuation gear is meshed with intermediate gear, described intermediate gear is meshed with driven gear, the axial position that described main actuation gear engages with intermediate gear, the axial position that intermediate gear engages with driven gear staggers.
2. the distributor case of a kind of dislocation of the gear for parallel dual-screw extruding machine engagement according to claim 1, is characterized in that main actuation gear, intermediate gear and driven gear are angular wheel, for conical parallel dual-screw extruding machine.
3. the distributor case of a kind of dislocation of the gear for parallel dual-screw extruding machine engagement according to claim 1, is characterized in that main actuation gear, intermediate gear and driven gear are parallel gears, for parallel equidirectional two-screw extruder.
4. the distributor case of a kind of dislocation of the gear for parallel dual-screw extruding machine engagement according to claim 1, it is characterized in that: the front end of described casing is provided with header board, the rear end of this casing is provided with rear plate, and these front and rear panels are provided with oil seal cover.
5. the distributor case of a kind of dislocation of the gear for parallel dual-screw extruding machine engagement according to claim 1, is characterized in that: the center line of described main driving axle is equal to the distance of the center line of jack shaft with the center line of driven shaft to the distance of the center line of jack shaft.
6. the distributor case of a kind of dislocation of the gear for parallel dual-screw extruding machine engagement according to claim 1, is characterized in that: the large end external diameter of the large end of described main actuation gear and driven gear is greater than 1/2nd of the centre distance of the large end of diaxon.
7. the distributor case of a kind of gear for parallel dual-screw extruding machine dislocation engagement according to claim 1, is characterized in that: described in intermediate gear is installed jack shaft be arranged on above or below the main driving axle that is provided with driving gear and the driven shaft being provided with driven gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380640.XA CN105317934A (en) | 2014-07-31 | 2014-07-31 | Distribution box for gear staggered engagement of co-rotating twin-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410380640.XA CN105317934A (en) | 2014-07-31 | 2014-07-31 | Distribution box for gear staggered engagement of co-rotating twin-screw extruder |
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| Publication Number | Publication Date |
|---|---|
| CN105317934A true CN105317934A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410380640.XA Pending CN105317934A (en) | 2014-07-31 | 2014-07-31 | Distribution box for gear staggered engagement of co-rotating twin-screw extruder |
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| CN (1) | CN105317934A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286713A (en) * | 2016-08-31 | 2017-01-04 | 广西南南铝箔有限责任公司 | Cold-rolling mill change speed gear box |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19922503A1 (en) * | 1999-05-15 | 2000-11-16 | Flender A F & Co | Gear train for double screw extruder has casing containing reduction- and power distribution wheels, which is constructed in only two parts, avoiding costly, time-consuming engineering yet offering high maintainability |
| US6234661B1 (en) * | 1998-12-08 | 2001-05-22 | A. Friedr. Flender Ag | Transmission for a double screw extruder with two tapering helical shafts |
| CN1775505A (en) * | 2004-12-17 | 2006-05-24 | 吴汉民 | Conical parallel dual-screw extruding machine |
| US20070019500A1 (en) * | 2005-07-21 | 2007-01-25 | The Japan Steel Works, Ltd. | Screw type extruder |
| CN201896914U (en) * | 2010-12-03 | 2011-07-13 | 吴汉民 | Distribution box for conical co-rotating twin-screw extruder |
| CN103016691A (en) * | 2012-12-04 | 2013-04-03 | 长沙联力实业有限公司 | Distribution gear case of homodromous tapered double-screw extruder |
| CN203384299U (en) * | 2013-06-27 | 2014-01-08 | 杭州萧山曙光机械厂 | Distribution box of cone-shaped double-screw extruder |
| CN203384340U (en) * | 2013-06-27 | 2014-01-08 | 杭州萧山曙光机械厂 | Vertical conical twin-screw extruder gearbox |
| CN204025540U (en) * | 2014-07-31 | 2014-12-17 | 舟山市定海通发塑料有限公司 | A kind of parallel dual-screw extruding machine distributor case |
-
2014
- 2014-07-31 CN CN201410380640.XA patent/CN105317934A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6234661B1 (en) * | 1998-12-08 | 2001-05-22 | A. Friedr. Flender Ag | Transmission for a double screw extruder with two tapering helical shafts |
| DE19922503A1 (en) * | 1999-05-15 | 2000-11-16 | Flender A F & Co | Gear train for double screw extruder has casing containing reduction- and power distribution wheels, which is constructed in only two parts, avoiding costly, time-consuming engineering yet offering high maintainability |
| CN1775505A (en) * | 2004-12-17 | 2006-05-24 | 吴汉民 | Conical parallel dual-screw extruding machine |
| US20070019500A1 (en) * | 2005-07-21 | 2007-01-25 | The Japan Steel Works, Ltd. | Screw type extruder |
| CN201896914U (en) * | 2010-12-03 | 2011-07-13 | 吴汉民 | Distribution box for conical co-rotating twin-screw extruder |
| CN103016691A (en) * | 2012-12-04 | 2013-04-03 | 长沙联力实业有限公司 | Distribution gear case of homodromous tapered double-screw extruder |
| CN203384299U (en) * | 2013-06-27 | 2014-01-08 | 杭州萧山曙光机械厂 | Distribution box of cone-shaped double-screw extruder |
| CN203384340U (en) * | 2013-06-27 | 2014-01-08 | 杭州萧山曙光机械厂 | Vertical conical twin-screw extruder gearbox |
| CN204025540U (en) * | 2014-07-31 | 2014-12-17 | 舟山市定海通发塑料有限公司 | A kind of parallel dual-screw extruding machine distributor case |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286713A (en) * | 2016-08-31 | 2017-01-04 | 广西南南铝箔有限责任公司 | Cold-rolling mill change speed gear box |
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Application publication date: 20160210 |