CN202812138U - Gear box for counter-rotating parallel twin-screw extruder - Google Patents
Gear box for counter-rotating parallel twin-screw extruder Download PDFInfo
- Publication number
- CN202812138U CN202812138U CN 201220403216 CN201220403216U CN202812138U CN 202812138 U CN202812138 U CN 202812138U CN 201220403216 CN201220403216 CN 201220403216 CN 201220403216 U CN201220403216 U CN 201220403216U CN 202812138 U CN202812138 U CN 202812138U
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- gear
- shaft
- output
- box
- output shaft
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Abstract
The utility model relates to a gear box for a counter-rotating parallel twin-screw extruder. The gear box for the counter-rotating parallel twin-screw extruder comprises a box body which is provided with an input shaft, a transition shaft, a middle shaft, a first output shaft and a second output shaft. The input shaft is provided with an input gear. The first output shaft is provided with a first output gear and a second output gear. The transition shaft is provided with a transition gear. The middle shaft is provided with a first middle gear and a second middle gear. The second output shaft is provided with an output gear. The box body comprises a main shaft box and a distribution box. The back half portions of the input shaft and the first output shaft and the first output gear are all arranged in the main shaft box. The box body is cast in a split mode, has a good anti-vibration performance and a good load-carrying performance and guarantees high carrying capacity.
Description
Technical field
The utility model relates to a kind of driving mechanism, particularly a kind of gear-box for anisotropic parallel twin-screw extruding machine.
Background technique
Parallel double-screw extruder has excellent Combination and good adaptability, its manufacturing efficiency that improves extruder, realize equipment multifunction, improve aspect the quality of product to compare with common extruder and be significantly improved.The devolatilization that is widely used in filling, blend, modification, enhancing, chlorinated polypropylene and the super absorbent resin of rubber and plastic and engineering resin is processed; Extruding of degradable masterbatch, polyamide polycondensation, polyurethane addition polymerization; The preparation of the granulation of powdered carbon, magnetic, insulating material for cable, protective cover material, low smoke and low halogen type PVC CABLE MATERIALS and various crosslinked with silicane material etc.Along with market requires to improve constantly to the manufacturing efficiency of parallel double-screw extruder, as the gear-box of the motivation transfer motion part of parallel double-screw extruder also more and more to high moment of torsion, high rotating speed, high reliability development.The parallel double-screw extruder gear-box major part foreign technology for introducing the nineties still in the market, because the difference of material and production technology, it is low that domestic parallel double-screw extruder gear-box ubiquity moment of torsion, poor reliability, noise is large, easy seepage wet goods defective, simultaneously since the centre distance of screw rod that double screw extruder is joined limit and be small-sized, so the bearing capacity of the situation raising gear-box that gear-box must limit in output shaft AB centre distance.And wherein B shaftgear acceptor center can not be too large apart from limiting, and is the weakest link of bearing capacity, can't satisfy the requirement of the high rotating speed of the high moment of torsion of parallel double-screw extruder and high reliability.
The model utility content
The purpose of this utility model is to provide a kind of gear-box that is used for anisotropic parallel twin-screw extruding machine smooth and easy, that noise is low, vibration is little, moment of torsion is high that meshes.
The technological scheme that realizes the utility model purpose is: a kind of gear-box for anisotropic parallel twin-screw extruding machine, has casing, be provided with input shaft in the casing, transition axis, jack shaft, the first output shaft and the second output shaft, input shaft is provided with input gear, the first output shaft is provided with the first output gear and the second output gear, transition axis is provided with transition gear, jack shaft is provided with the first intermediate gear and the second intermediate gear, the second output shaft is provided with output gear, described casing has headstock and distributor case two-part, wherein input shaft, the first output shaft latter half part, the first output gear all is arranged in the headstock; Its distributor case is provided with front half part, transition axis, jack shaft, the second output shaft and the second output gear, transition gear, the first intermediate gear, the second intermediate gear, the output gear of the first output shaft successively.
Further, described headstock and distributor case are the nowel Split type structure.
The utlity model has following characteristics: casing of the present utility model is that upper nowel divided casting forms, and has good anti-seismic performance and load-carrying properties, has guaranteed gear under the prerequisite of high bearing capacity, meshes smooth and easy, reducing noise, bearing capacity is high.
Description of drawings
For content of the present utility model is more likely to be clearly understood, below the specific embodiment and by reference to the accompanying drawings of basis, the utility model is described in further detail, wherein
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of casing;
Reference character: 1, input gear, the 2, first output gear, the 3, second output gear, 4, transition gear, the 5, first intermediate gear, the 6, second intermediate gear, 7, output gear, 11, casing, 12, input shaft, 13, transition axis, 14, jack shaft, the 15, first output shaft, the 16, second output shaft, 111, headstock, 112 distributor casees.
Embodiment
See illustrated in figures 1 and 2, a kind of gear-box for anisotropic parallel twin-screw extruding machine, has casing 11, be provided with input shaft 12 in the casing 11, transition axis 13, jack shaft 14, the first output shaft 15 and the second output shaft 16, input shaft 12 is provided with input gear 1, the first output shaft 15 is provided with the first output gear 2 and the second output gear 3, transition axis 13 is provided with transition gear 4, jack shaft 14 is provided with the first intermediate gear 5 and the second intermediate gear 6, the second output shaft 16 is provided with output gear 7, described casing 11 has headstock 111 and distributor case 112 two-part, and wherein input shaft 12, the first output shaft 15 latter half parts, the first output gear 2 all is arranged in the headstock 111; Its distributor case 112 is provided with front half part, transition axis 13, jack shaft 14, the second output shaft 16 and the second output gear 3, transition gear 4, the first intermediate gear 5, the second intermediate gear 6, the output gear 7 of the first output shaft 15 successively, described headstock 111 and distributor case 112 are the nowel Split type structure, each gear material is and adopts superior alloy steel 20CrNi2MoA, the double tempering carburizing quenching process is adopted in heat treatment, has higher impact resistance and toughness; Adopt simultaneously advanced gear-grinding process, all gears all adopt German forming die, and the accuracy of gear reaches DIN 3960-67 6 class precisions; And consider the impact that bending deflection and torsional deflection are meshed gear, and adopt advanced correction of the flank shape technology, guaranteed that gear is under the prerequisite of high bearing capacity, mesh smooth and easy, reducing noise, simultaneously gear parameter optimization strengthens the bearing capacity that modulus and the facewidth have improved gear.
Above-described specific embodiment; the purpose of this utility model, technological scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any modification of making, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (2)
1. gear-box that is used for anisotropic parallel twin-screw extruding machine, has casing (11), be provided with input shaft (12) in the casing (11), transition axis (13), jack shaft (14), the first output shaft (15) and the second output shaft (16), input shaft (12) is provided with input gear (1), the first output shaft (15) is provided with the first output gear (2) and the second output gear (3), transition axis (13) is provided with transition gear (4), jack shaft (14) is provided with the first intermediate gear (5) and the second intermediate gear (6), and the second output shaft (16) is provided with output gear (7); It is characterized in that: described casing (11) has headstock (111) and distributor case (112) two-part, wherein input shaft (12), the first output shaft (15) latter half part, the first output gear (2) all are arranged in the headstock (111), and its distributor case (112) is provided with front half part, transition axis (13), jack shaft (14), the second output shaft (16) and the second output gear (3), transition gear (4), the first intermediate gear (5), the second intermediate gear (6), the output gear (7) of the first output shaft (15) successively.
2. the gear-box for anisotropic parallel twin-screw extruding machine according to claim 1, it is characterized in that: described headstock (111) and distributor case (112) are the nowel Split type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403216 CN202812138U (en) | 2012-08-15 | 2012-08-15 | Gear box for counter-rotating parallel twin-screw extruder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220403216 CN202812138U (en) | 2012-08-15 | 2012-08-15 | Gear box for counter-rotating parallel twin-screw extruder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202812138U true CN202812138U (en) | 2013-03-20 |
Family
ID=47871010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220403216 Expired - Fee Related CN202812138U (en) | 2012-08-15 | 2012-08-15 | Gear box for counter-rotating parallel twin-screw extruder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202812138U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486231A (en) * | 2013-10-14 | 2014-01-01 | 南京宁嘉机电有限公司 | Gearbox of parallel double-screw extruder |
| CN105090447A (en) * | 2014-05-13 | 2015-11-25 | 科倍隆有限公司 | Gearbox assembly for a twin-screw extruder, treatment installation, and method for the startup |
-
2012
- 2012-08-15 CN CN 201220403216 patent/CN202812138U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103486231A (en) * | 2013-10-14 | 2014-01-01 | 南京宁嘉机电有限公司 | Gearbox of parallel double-screw extruder |
| CN105090447A (en) * | 2014-05-13 | 2015-11-25 | 科倍隆有限公司 | Gearbox assembly for a twin-screw extruder, treatment installation, and method for the startup |
| CN105090447B (en) * | 2014-05-13 | 2019-01-15 | 科倍隆有限公司 | Gear case assembly, processing equipment and the starting method of double screw extruder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20150815 |
|
| EXPY | Termination of patent right or utility model |