CN101813161A - Power-input speed-change mechanism for inverted-triangular tri-screw extruder - Google Patents
Power-input speed-change mechanism for inverted-triangular tri-screw extruder Download PDFInfo
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- CN101813161A CN101813161A CN 201010129665 CN201010129665A CN101813161A CN 101813161 A CN101813161 A CN 101813161A CN 201010129665 CN201010129665 CN 201010129665 CN 201010129665 A CN201010129665 A CN 201010129665A CN 101813161 A CN101813161 A CN 101813161A
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Abstract
The invention relates to a speed-change device, in particular to a power-input speed-change mechanism for an inverted-triangular tri-screw extruder. The speed-change mechanism comprises a box body and a reducing mechanism which is fixedly arranged in the box body and provided with a power input shaft (1) and power output shafts (14,15 and16), the power input shaft (1) and the power output shafts (14,15 and 16) are fixedly arranged in the box body, the power input shaft (1) drives the power output shaft (15) to rotate to output power by a change-gear set, the power output shafts (14 and 16) are driven to rotate to output power by a component power transmission mechanism, and the power output shafts (14,15 and 16) are arranged like an inverted triangle by using the end surface center of the power output shaft (15) as a vertex and using the end surface centers of the power output shafts (14 and16) as two bottom edge endpoints. By adopting the technical scheme, the power output shafts provide even bearing power so that the bearing capability of the transmission device is greatly improved to further provide higher output torque.
Description
Technical field
The present invention relates to a kind of retarding device, especially a kind of gear that is used on the inverted-triangular tri-screw extruder power intake.
Background technique
At present, in the plastics field that is mixed, the general parallel double-screw extruder of Shi Yonging, its transmission is parallel two shaft types output.Along with the continuous development of modern plastic cement industry, the extensive use of especially high filling, high dispersive material and to the requirement of aspects such as low energy consumption, the rubber and plastic process equipment develops to diversification, multiscrew direction.Three screw rod extrusion systems have better shunting effect with respect to the traditional double screw rod and shear more frequently, promptly have better distribution and mix and disperse mixing, has bigger ventable interface area simultaneously, more help bleeding, make exhaust drop to minimum and have lower advantages such as energy consumption the influence of output, especially inverted-triangular tri-screw extruder has three meshing zones, get into smooth and be equivalent to three pairs of twin-screws and act on simultaneously, the shearing number of times that material stands therein will be higher than twin-screw at double, under the identical screw slenderness ratio, its mixed effect is 3 times of twin-screw, each component is easy to obtain homogenization and pelletizing, fully exchange is mobile on a plurality of aspects in space for material, reach good plasticizing dispersion effect, reinforced and carry also highly stable, particularly to producing carbon black shielding material, two anti-masterbatch, during multifunctional concentrates such as antistatic master batch, these materials are with high costs because of its effective component, require its adding quantity as much as possible little, and dispersion is even as much as possible, obtains good effect with little adding quantity; And picture PP halogen-free flameproof material, the big halogen that just can reach of its halogen-free flame retardants adding quantity is fire-retardant effect, but disperses uneven words not only to influence the physical and mechanical properties of goods, also influences flame retardant effect.
The deceleration that China's utility model patent (patent No. ZL200620154843.8) discloses a kind of three-screw extruder in the same way distributes the transmission case structure, it provides deceleration power for yi word pattern three screw rod speed reduceres, its power source drives high speed E input shaft and A reduction pinion teeth, the A reduction pinion teeth drives B deceleration gearwheel, thereby drive C reduction pinion teeth and B output shaft, the B output shaft is directly exported; The C reduction pinion teeth is leaded up to and is driven D deceleration gearwheel and drive E speedup gearwheel with the D jack shaft, and E speedup gearwheel drives F speedup small gear, thereby drives the rotation of A output shaft; Another road of symmetry is to drive H speedup gearwheel by I deceleration gearwheel and F jack shaft, H speedup gearwheel drives G speedup small gear, thereby driving the C output shaft rotates, promptly adopt reduction pinion teeth to mesh two deceleration gearwheels simultaneously, each deceleration gearwheel is realized transmission process by coaxial speedup gearwheel and the speedup pinion on the output shaft of both sides.Adopt this technological scheme, though can realize to input power divide parallel three the tunnel in the same way, with fast, coaxial, export with moment of torsion, improved manufacturing efficiency, but it can not realize providing power source to the inverted-triangular tri-screw speed reducer, can not provide power to carry the basis specific material; And it is based on the big then higher operation basis of working efficiency of input power, when the power source input power is big, because every output shaft of this structure has only a rooted tooth wheel shaft that power is provided, make the bearing capacity of transmission device be difficult to improve, if promptly moment of torsion is excessive, gear shaft is fracture easily often, therefore it can not bear bigger power source input, makes that the moment of torsion of its output is little, and monodentate rotates, can not offset each output shaft radial force, structure and life-span are all unstable.
Summary of the invention
For solving the deficiencies in the prior art, the invention provides a kind of can the realization and provide the even power that carries pto, make the bearing capacity of transmission device improve greatly, and then the gear of the inverted-triangular tri-screw extruder power intake of higher output torque can be provided.
For achieving the above object, the power-input speed-change mechanism of inverted-triangular tri-screw extruder of the present invention, form by casing and the gear that is arranged in the casing, described gear comprises the power input shaft (1) that is arranged in the casing, be used for pto (14 to del three-screw extruder transmitting power, 15,16), pto (14,15,16) be the summit with output shaft (15) end face center, output shaft (14,16) the end face center is the base two-end-point, be the del setting, power input shaft (1) drives pto (15) rotation outputting power by train of reduction gears, on pto (15), in the coaxial speed change gear (4) that is installed with of its power intake, pto (14,16) the coaxial respectively speed change gear (13 that is installed with of power intake, 9), power input shaft (14,16) respectively by being equipped with between speed change gear (13) and speed change gear (4), branch power transmission mechanism rotary driving outputting power between speed change gear (9) and the speed change gear (4), described gear also comprises the even gear shaft that carries of a power, the even gear shaft that carries of described power obtains power by being connected with speed change gear (4), and this power is symmetrical in pto (14 respectively, 16) branch power transmission mechanism drives speed change gear (13,9) rotation.
The branch power transmission mechanism of above-mentioned pto (14) is by gear shaft (19) and the coaxial speed change gear (6 that is fixedly mounted on gear shaft (19) power intake and clutch end, 12) form, speed change gear (6) links to each other with speed change gear (4) engagement, and speed change gear (12) links to each other with speed change gear (13) engagement; The branch power transmission mechanism of described pto (16) is by gear shaft (17) and the coaxial speed change gear (5 that is fixedly mounted on gear shaft (17) power intake and clutch end, 8) form, speed change gear (5) links to each other with speed change gear (4) engagement, and speed change gear (8) links to each other with speed change gear (9) engagement;
Further, above-mentioned power is even carry gear shaft by all carry axle (18), with all carry (18) coaxial speed change gear that fixedly installs (7,10,11) form, described speed change gear (7) links to each other with speed change gear (4) engagement in speed change gear (4) top, speed change gear (10,11) links to each other with speed change gear (9,13) engagement respectively.
In addition, gear shaft (17,19) with all carry axle (18) and make by elastic material.
As the improvement of aforesaid way, all carry the deformable amount of the deformable amount of axle (18) greater than gear shaft (17,19).
As the application on a kind of speed reducer, above-mentioned speed change gear (5,6,7) is the deceleration gearwheel, and speed change gear (4) is a reduction pinion teeth, and speed change gear (9,13) is the speedup small gear, and speed change gear (8,10,11,12) is the speedup gearwheel.
As the improvement of aforesaid way, the one-level deceleration between described speed change gear (4) and the speed change gear (5) and the overall ratio of the one-level speedup between speed change gear (9) and the speed change gear (8) are one.
As the further improvement of aforesaid way, the one-level deceleration between described speed change gear (4) and the speed change gear (6) and the overall ratio of the one-level speedup between speed change gear (13) and the speed change gear (12) are one.
As the further improvement of aforesaid way, the one-level deceleration between described speed change gear (4) and the speed change gear (7) and the overall ratio of the one-level speedup between one-level speedup, speed change gear (10) and the speed change gear (9) between speed change gear (13) and the speed change gear (11) are one.
Specifically, above-mentioned speed change gear group is made up of the speed change gear (3) that is fixedly installed on the pto (15) that is fixedly installed on the speed change gear (2) on the power input shaft (1) and link to each other with its engagement, described speed change gear (2) and power input shaft (1) are coaxial to be a gear shaft, and speed change gear (3) and speed change gear (4), pto (15) is coaxial is a gear shaft.
Adopt technique scheme, its effect is as follows:
1, because three output shafts are the del setting, can realize power input to inverted-triangular tri-screw extruder, finally finish extruding to special material;
2, set up the even gear shaft that carries of power, to every pto of both sides adopt divide a power transmission mechanism to provide power for pto in, power all carries two ptos that gear shaft can be the inverted triangle base and provides and all carry power, specifically, can make gear shaft and the even axle that carries in the delivery process of carrying than high pulling torque, if divide the even gear shaft that carries of power transmission mechanism and power can not be simultaneously with the pto engagement driving time, promptly when the excessive power of carrying in the gear engagement process of a torsion gear shaft (as a minute power transmission mechanism) wherein, the distortion of torsion gear shaft, then the bad torsion gear shaft (power all carries gear shaft) that all carries of another root engagement is in time corrected the engaging position to the optimum position, continue to provide power, thereby guaranteed the transmission of high pulling torque;
3, all carry the deformable amount of the deformable amount of axle greater than gear shaft, realized all carrying the torque distribution of axle, promptly in the course of the work, all carrying axle is an axle, and drives two gears simultaneously and cooperate outputting power with two ptos, and its bearing torque is bigger, adopt this means, when guaranteeing all to carry the working life of axle, be convenient to adjust and all carry being connected between axle and each pto, realize all carrying a distributed adjustment of last moment of torsion;
4, the even gear shaft that carries of power is connected with two ptos simultaneously, the radial force that makes the even year gear shaft of power bear two ptos is cancelled out each other, strengthened the working life of the even year gear shaft of power, reduced the even requirement of strength of carrying gear shaft of power.
5, adopt the even gear shaft that carries of power, guaranteed the transmission of high pulling torque, its torque coefficient can reach 9～14.
Description of drawings
Below in conjunction with the drawings and the specific embodiments the present invention is done further to describe in detail.
Fig. 1 is the overall structure schematic representation of reducing gear in the speed reducer casing of the present invention.
Fig. 2 is that output shaft of the present invention position concerns schematic representation.
Embodiment
In the present embodiment, so that inverted-triangular tri-screw extruder is realized that the deceleration outputting power is an example, power intake adopts 6 grades of motors of 132KW, and rotating speed is 1200 commentaries on classics/min, and input torque is 1050.5NM.
With by Fig. 1, shown in Figure 2, the power-input speed-change mechanism of inverted-triangular tri-screw extruder of the present invention, speed change gear 5,6,7 are the deceleration gearwheel, all adopt 42 teeth, speed change gear 4 is a reduction pinion teeth, adopts 21 teeth, speed change gear 9,13 is the speedup small gear, adopts 21 teeth, speed change gear 8,10 is 42 teeth, 11,12 is the speedup gearwheel, all adopts 42 teeth.
The power-input speed-change mechanism of this inverted-triangular tri-screw extruder, form by casing and the gear that is fixedly installed in the casing, described gear comprises respectively by bearing fixing and is arranged on power input shaft 1 in the casing, be used for pto 14 to del three-screw extruder transmitting power, 15,16, pto 14,15,16 is the summit with output shaft 15 end face centers, output shaft 14,16 end face centers are the base two-end-point, be equilateral del setting, each centre distance is 4.3cm, power input shaft 1 drives pto 15 rotation outputting powers by train of reduction gears, the speed change gear group is formed by being fixedly installed on speed change gear 2 on the power input shaft 1 and the speed change gear 3 that is fixedly installed on the pto 15 that links to each other with its engagement, speed change gear 2 adopts the gear of 18 teeth, and speed change gear 3 adopts the gear of 54 teeth.Described speed change gear 2 and power input shaft 1 are coaxial to be a gear shaft, and speed change gear 3 and speed change gear 4, pto 15 are coaxial to be a gear shaft.
On pto 15, in the coaxial speed change gear 4 that is installed with of its power intake, pto 14, the coaxial respectively speed change gear 13 that is installed with of 16 power intake, 9, power input shaft 14,16 respectively by being equipped with at the branch power transmission mechanism rotary driving outputting power between speed change gear 13 and the speed change gear 4, between speed change gear 9 and the speed change gear 4
Gear also comprises the even gear shaft that carries of a power, and the even gear shaft that carries of described power obtains power by being connected with speed change gear 4, and this power is symmetrical in branch power transmission mechanism driving speed change gear 13,9 rotations of pto 14,16 respectively.Wherein, the branch power transmission mechanism of pto 14 is by gear shaft 19 and the coaxial speed change gear 6 that is fixedly mounted on gear shaft 19 power intakes and clutch end, 12 form, speed change gear 6 links to each other with the side engagement of speed change gear 4 in speed change gear 4, and speed change gear 12 links to each other in the engagement of the outside of speed change gear 13 with speed change gear 13; The branch power transmission mechanism of pto 16 is by gear shaft 17 and the coaxial speed change gear 5 that is fixedly mounted on gear shaft 17 power intakes and clutch end, 8 form, speed change gear 5 links to each other with the opposite side engagement of speed change gear 4 in speed change gear 4, and speed change gear 8 links to each other in the engagement of the outside of speed change gear 9 with speed change gear 9.
Power is even carry gear shaft by all carry axle 18, with all carry axle 18 coaxial speed change gears that fixedly install 7,10,11 compositions, speed change gear 7 links to each other in 4 engagements of speed change gear 4 tops and speed change gear, speed change gear 10,11 respectively with speed change gear 9,13 inner mesh in speed change gear 9,13 link to each other.Structurally, because the even gear shaft that carries adopts a bearing to carry the engaging gear of two power outputs, be that speed change gear 10 is the spacing setting with speed change gear 11, and do not disturb mutually in the course of the work, speed change gear 10 meshes with speed change gear 9 earlier on the position, secondly is speed change gear 11 and speed change gear 13 engagements.
In use, 1 running of drive power source power input shaft, power input shaft 1 drives speed change gear 2 and drives speed change gear 3 runnings, and then drives speed change gear 4 running and pto 15 direct outputting powers; Speed change gear 4 drives simultaneously and is mated continuous speed change gear 5,6,7 running, and then drives the running of pto 14,16, has guaranteed pto 14,15,16 in the same way, with speed, with the moment of torsion parallel running. Record output shaft 14,15,16 output torques are 1069.37, and according to torque coefficient=output torque/axle centre distance 3 calculated torque coefficients, the torque coefficient that adopts this structure is 13.45.
The present invention is not limited to above-mentioned embodiment; as long as this structure has adopted the even torsion gear shaft that carries to drive output output shaft outputting power; and gear shaft and all carry the axle make by elastic material; no matter which kind of mode the gear ratio between its speed change gear group, the position relation of all carrying torsion gear shaft and each gear engagement adopt, all drop among protection scope of the present invention.
Claims (10)
1. the power-input speed-change mechanism of an inverted-triangular tri-screw extruder, form by casing and the gear that is arranged in the casing, described gear comprises the power input shaft (1) that is arranged in the casing, be used for pto (14 to del three-screw extruder transmitting power, 15,16), pto (14,15,16) be the summit with output shaft (15) end face center, output shaft (14,16) the end face center is the base two-end-point, be the del setting, power input shaft (1) drives pto (15) rotation outputting power by train of reduction gears, on pto (15), in the coaxial speed change gear (4) that is installed with of its power intake, pto (14,16) the coaxial respectively speed change gear (13 that is installed with of power intake, 9), power input shaft (14,16) respectively by being equipped with between speed change gear (13) and speed change gear (4), branch power transmission mechanism rotary driving outputting power between speed change gear (9) and the speed change gear (4), it is characterized in that: described gear also comprises the even gear shaft that carries of a power, the even gear shaft that carries of described power obtains power by being connected with speed change gear (4), and this power is symmetrical in pto (14 respectively, 16) branch power transmission mechanism drives speed change gear (13,9) rotation.
2. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 1, it is characterized in that: the branch power transmission mechanism of described pto (14) is by gear shaft (19) and the coaxial speed change gear (6 that is fixedly mounted on gear shaft (19) power intake and clutch end, 12) form, speed change gear (6) links to each other with speed change gear (4) engagement, and speed change gear (12) links to each other with speed change gear (13) engagement; The branch power transmission mechanism of described pto (16) is by gear shaft (17) and the coaxial speed change gear (5 that is fixedly mounted on gear shaft (17) power intake and clutch end, 8) form, speed change gear (5) links to each other with speed change gear (4) engagement, and speed change gear (8) links to each other with speed change gear (9) engagement.
3. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 1 and 2, it is characterized in that: described power is even carry gear shaft by all carry axle (18), with all carry (18) coaxial speed change gear that fixedly installs (7,10,11) form, described speed change gear (7) links to each other with speed change gear (4) engagement in speed change gear (4) top, speed change gear (10,11) links to each other with speed change gear (9,13) engagement respectively.
4. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 3 is characterized in that: described gear shaft (17,19) with all carry axle (18) and make by elastic material.
5. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 4 is characterized in that: described deformable amount of all carrying the deformable amount of axle (18) greater than gear shaft (17,19).
6. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 3, it is characterized in that: described speed change gear (5,6,7) be the deceleration gearwheel, speed change gear (4) is a reduction pinion teeth, speed change gear (9,13) be the speedup small gear, speed change gear (8,10,11,12) be the speedup gearwheel.
7. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 6 is characterized in that: the one-level between described speed change gear (4) and the speed change gear (5) slow down and speed change gear (9) and speed change gear (8) between the overall ratio of one-level speedup be one.
8. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 6 is characterized in that: the one-level between described speed change gear (4) and the speed change gear (6) slow down and speed change gear (13) and speed change gear (12) between the overall ratio of one-level speedup be one.
9. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 6 is characterized in that: the one-level between described speed change gear (4) and the speed change gear (7) slow down and speed change gear (13) and speed change gear (11) between one-level speedup, speed change gear (10) and speed change gear (9) between the overall ratio of one-level speedup be one.
10. the power-input speed-change mechanism of inverted-triangular tri-screw extruder according to claim 1 and 2, it is characterized in that: described speed change gear group is made up of the speed change gear (3) that is fixedly installed on the pto (15) that is fixedly installed on the speed change gear (2) on the power input shaft (1) and link to each other with its engagement, described speed change gear (2) and power input shaft (1) are coaxial to be a gear shaft, and speed change gear (3) and speed change gear (4), pto (15) is coaxial is a gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101296654A CN101813161B (en) | 2010-03-23 | 2010-03-23 | Power-input speed-change mechanism for inverted-triangular tri-screw extruder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101296654A CN101813161B (en) | 2010-03-23 | 2010-03-23 | Power-input speed-change mechanism for inverted-triangular tri-screw extruder |
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| CN101813161A true CN101813161A (en) | 2010-08-25 |
| CN101813161B CN101813161B (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101296654A Expired - Fee Related CN101813161B (en) | 2010-03-23 | 2010-03-23 | Power-input speed-change mechanism for inverted-triangular tri-screw extruder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862003A (en) * | 2014-02-25 | 2014-06-18 | 西安交通大学 | Triple screw stirring vibrating device for preparing semi-solid billets |
| CN113339473A (en) * | 2021-05-25 | 2021-09-03 | 武汉市精华减速机制造有限公司 | Periodic speed changing device for accurately positioning rotary disc |
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| WO2005053931A1 (en) * | 2003-12-08 | 2005-06-16 | Bühler AG | Injection molding installation and injection molding installation equipped with a multiple-screw extruder, particularly a ring extruder |
| CN1844702A (en) * | 2006-04-17 | 2006-10-11 | 许维中 | Novel speed changing gearbox and three-screw extruder therewith |
| JP2007210298A (en) * | 2006-02-13 | 2007-08-23 | Japan Steel Works Ltd:The | Drive unit for an extruder |
| CN101603578A (en) * | 2009-02-23 | 2009-12-16 | 江苏维达机械有限公司 | Gear drive |
| CN201636276U (en) * | 2010-03-23 | 2010-11-17 | 石家庄德倍隆科技有限公司 | Power input speed change mechanism of inverted triangle three-screw extruder |
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2010
- 2010-03-23 CN CN2010101296654A patent/CN101813161B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005053931A1 (en) * | 2003-12-08 | 2005-06-16 | Bühler AG | Injection molding installation and injection molding installation equipped with a multiple-screw extruder, particularly a ring extruder |
| JP2007210298A (en) * | 2006-02-13 | 2007-08-23 | Japan Steel Works Ltd:The | Drive unit for an extruder |
| CN1844702A (en) * | 2006-04-17 | 2006-10-11 | 许维中 | Novel speed changing gearbox and three-screw extruder therewith |
| CN101603578A (en) * | 2009-02-23 | 2009-12-16 | 江苏维达机械有限公司 | Gear drive |
| CN201636276U (en) * | 2010-03-23 | 2010-11-17 | 石家庄德倍隆科技有限公司 | Power input speed change mechanism of inverted triangle three-screw extruder |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103862003A (en) * | 2014-02-25 | 2014-06-18 | 西安交通大学 | Triple screw stirring vibrating device for preparing semi-solid billets |
| CN103862003B (en) * | 2014-02-25 | 2015-07-08 | 西安交通大学 | Triple screw stirring vibrating device for preparing semi-solid billets |
| CN113339473A (en) * | 2021-05-25 | 2021-09-03 | 武汉市精华减速机制造有限公司 | Periodic speed changing device for accurately positioning rotary disc |
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| CN101813161B (en) | 2012-09-19 |
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Effective date of registration: 20220728 Address after: 050000 Room 102, unit 1, building 35, No. 88, Yuxing street, Dangjiazhuang village, zhaolingpu Town, Xinhua District, Shijiazhuang City, Hebei Province Patentee after: Cui Peng Address before: 050200 Xiaoma Village Industrial Park, west section of north outer ring road, Shijiazhuang City, Hebei Province Patentee before: SHIJIAZHUANG DEBEILONG TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20120919 |