CN206036165U - Large -scale vertical tapered twin -screw gear box - Google Patents
Large -scale vertical tapered twin -screw gear box Download PDFInfo
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- CN206036165U CN206036165U CN201620745683.8U CN201620745683U CN206036165U CN 206036165 U CN206036165 U CN 206036165U CN 201620745683 U CN201620745683 U CN 201620745683U CN 206036165 U CN206036165 U CN 206036165U
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Abstract
The utility model relates to a large -scale vertical tapered twin -screw gear box, reducing gear box, distributor box including interconnect to reach the cooling system who is connected with the reducing gear box, the reducing gear box includes that reduction box and warp beam hold reduction box input shaft, reducing gear box output shaft, drive disk assembly of installing on reduction box and the gear of forming a complete set with the drive disk assembly, and the distributor box includes distributor box box and case lid, is equipped with distributor box input member and distributor box drive disk assembly in the distributor box box. Compared with the prior art, the utility model has the advantages of built -in cooling, configuration optimization, design are reliable, can be used for producing large -scale tubular product, the section bar, wood is moulded, multiple large -scale plastic products such as slab material, foaming goods and granulation.
Description
Technical field
This utility model is related to a kind of gear-box, more particularly, to a kind of large-scale vertical conical-double -helical rod gear-box.
Background technology
At present, with the extensive development of China's economic construction, the production equipment needed for most of tubing manufacturers is more
Tend to large-scale, high-speed production.And conical-double -helical rod extruder is kneaded uniform, yield height, steady quality, is adapted to model due to its plasticizing
The features such as enclosing wide, long service life, PVC powder straight forming, is commonly used to PVC plastic production extrusion.But cone at this stage
The yield of type double screw extruder does not much reach contemporary need of social production, main reason is that conical-double -helical rod gear-box
Restriction.Due to the restriction of conical-double -helical rod gear-box, it is impossible to using the bigger screw rod of nominal diameter, so as to design more
Large-tonnage conical-double -helical rod extruder, therefore the yield of PVC plastic material products cannot be improved.
China is commonly 92/188 type extruder using yield maximum conical-double -helical rod extruder at present, and it is tapered which uses
Twin screw gear-box is SZ92 conical-double -helical rod gear-boxes, as its internal bearings and gear etc. are limited, its output speed (40r/
Min), single shaft output torque (13130N.m) etc. cannot much drive the screw rod of higher larger diameter.If production large-scale pipeline
Can only be with the production in parallel of multiple stage extruder, for example producing 2m large-scale PVCs pipeline then needs the extruder of 5 92/188.Extruder
Parallel connection not only affect the yield of tubing, and can be because of the quality for affecting tubing the problems such as synchronization.And using multiple devices simultaneously
Connection production floor space also inevasible increase, so that cost is raised.As can be seen here, normal production large-scale pipeline is still needed many
Thus let alone high-speed production platform extruder is in parallel,.Chinese patent CN 201183312Y disclose a kind of super conical-double -helical rod
Plastic extruder, it includes extrusion die, machine barrel, conical screw, air vent, heating collar, feed system, distribution gear case, subtracts
Fast transmission case, shaft coupling, motor, frame, but the patent does not still solve above-mentioned technical problem.
Utility model content
The purpose of this utility model be exactly in order to overcome defect that above-mentioned prior art is present and provide a kind of built-in cooling,
Structure optimization, the large-scale vertical conical-double -helical rod gear-box of reliable design.
The purpose of this utility model can be achieved through the following technical solutions：
Large-scale vertical conical-double -helical rod gear-box, including the reduction box, distributor box that are connected with each other, and is connected with reduction box
Cooling system,
Described reduction box includes that Gearbox and warp beam are held the reduction box input shaft on Gearbox, subtracted
Fast case output shaft, drive disk assembly and the gear supporting with drive disk assembly,
Described distributor box includes distributing box body and case lid, and described distribution box body adopts spheroidal graphite cast-iron casing, institute
Distributor box input block and distributor box drive disk assembly is provided with the distribution box body stated.
Drive disk assembly in described reduction box is made up of intermeshing transmission II axles and transmission III axles, and described subtracts
Input gear on fast case input shaft is meshed with the II shaft transmission gears being fixed on transmission II axles, the reduction gearbox output shaft
Output gear be fixed on transmission III axles on III shaft transmission gears be meshed.
Described output gear, II shaft transmission gears and III shaft transmission gears are respectively arranged at two ends with centring ring and adjustment
Circle, to ensure the stability of gear.
Described cooling system includes cooling down component, point line of oils part and oil pump, described oil pump by oil pump adapter sleeve with
The reduction box input shaft is connected, and oil pump adapter sleeve drives oil pump, the fluid in cooling component is squeezed into a point line of oils part, is realized
Cooling and lubricating to reduction box, increases the service life, it is ensured that operation safety, described cooling component are arranged on Gearbox
It is interior.
Described distributor box input block and distributor box drive disk assembly Jing are input into shaft bevel gears and transmission shaft bevel gears are mutual
Engagement connection,
Described distributor box input block includes being fixed on the distributor box input shaft in distribution box body by bearing, is arranged
Input shaft drive end bearing bracket and input shaft rear end cap on distributor box input shaft, and the input axial cone tooth between two end caps
Wheel, input shaft drive end bearing bracket are fastenedly connected with distribution box body, and input shaft rear end cap is fastenedly connected with case lid.
Described distributor box drive disk assembly includes being fixed on the distributor box power transmission shaft in distribution box body by bearing, is arranged
Power transmission shaft drive end bearing bracket and power transmission shaft rear end cap on distributor box power transmission shaft, and the transmission axial cone tooth between two end caps
Wheel, the power transmission shaft drive end bearing bracket and power transmission shaft rear end cap are fastenedly connected with the distribution box body respectively.
Described adopts material 42CrMo with case input shaft and distributor box power transmission shaft, and high precision, tensile strength are high, not rapid wear
It is bad；
The cone angle of described input shaft bevel gears and transmission shaft bevel gears is 1.5 ° -2 °, using high strength alloy steel, Jing numbers
Quenched, carbo-nitriding after control gear-hobbing machine cutting is processed, and high precision, hardness are high,
Described distributor box transmission the tip of the axis is set on self-aligning thrust roller bearing, and self-aligning thrust roller bearing is adopted
High intensity self-aligning thrust roller bearing, dependable performance can bear big axial thrust, it is ensured that power smooth transport.
Described reduction box is input into the outer of shaft end with distributor box by the internal spline and distributor box on reduction gearbox output shaft
Spline is meshed and constitutes and combines conjuncted.
Compared with prior art, this utility model has advantages below：
1st, built-in cooling：Among cooling system is placed on casing, reduces as external influence causes cooling effectiveness to be lost, improve
Cooling effectiveness.
2nd, structure optimization：The conjuncted installation of reduction box and distributor box of this conical double-screw gear-box, makes more compact structure, close
Feng Xingqiang, power transmission are gentle, and reliability is higher, and miniaturization；
3rd, reliable design：Using the design of spheroidal graphite cast-iron casing and high intensity self-aligning thrust roller bearing, dependable performance, energy
Bear big axial thrust；
4th, reduce the dependence to overseas equipment：It is complete on Yield Grade using the extruder of this conical double-screw gear-box
External large-scale high-end parallel double-screw extruder can be replaced, so as to lower the dependence to overseas equipment, so as to lower to foreign countries
The dependence of equipment.
5th, cost is reduced：It is parallel using the extruder of this twin screw reduction box and the external large-scale top grade of identical Yield Grade
Double screw extruder is compared, and cost is substantially reduced；
6th, contribute to digesting coal production capacity：Due to the mainly extraction from coal of PVC raw materials, had using the extruder of high yield
Help faster digest a large amount of PVC raw materials of China, so as to digest coal production capacity, realize effects of energy saving and emission reduction.
7th, less distributing shaft angle：Due to this utility model adopt screw rod it is longer than existing conical double-screw gear
Degree is longer, so that the length of the active section of effective thread is longer, therefore with less distributing shaft angle, can reach
1.5 ° -2 °, and the distributing shaft angle of existing screw extruder is general all at 2 ° more than -5 °.
8th, can configure the conical screw of bigger nominal diameter：The conical double-screw gear-box of research and development is less due to cone angle,
Ensure that the length of the effective active section of extruder screw is longer, and extruder yield is higher under enough output torques such that it is able to raw
Produce various large scale plastic products such as large pipe, section bar, wood moulding, sheet, foaming product and pelletize.
Description of the drawings
Fig. 1 is overlooking the structure diagram of the present utility model；
Structural representations of the Fig. 2 for distributor box.
Structural representations of the Fig. 3 for reduction box.
Fig. 4 is main structure diagram of the present utility model.
In Fig. 1：1- reduction boxes；2- distributor boxes
In Fig. 2：2.1- distributes box body；2.2- case lid；2.3- distributor box input blocks；2.3.1- distributor box input shaft；
2.3.2- input shaft drive end bearing bracket；2.3.3- input shaft rear end cap；2.3.4- shaft bevel gears are input into；2.4- distributor box drive disk assemblies；
2.4.1- distributor box power transmission shaft；2.4.2- power transmission shaft drive end bearing bracket；2.4.3- power transmission shaft rear end cap；2.4.4- shaft bevel gears are driven；
2.5- self-aligning thrust roller bearing
In Fig. 3：1.1- Gearbox；1.2- reduction box input shaft；1.3- reduction gearbox output shaft；1.3.1- output shaft tooth
Wheel；1.4- is driven II axles；1.4.1-II shaft transmission gear；1.5- is driven III axles；1.5.1-III shaft transmission gear；3.1- cooling
Component；3.2- oil pump adapter sleeves；
In Fig. 4：3- cooling systems；3.3- oil pump；3.4- point of line of oils part；
Specific embodiment
This utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Embodiment
Large-scale vertical conical-double -helical rod gear-box, its structure are as shown in Figure 1 and Figure 4, mainly cold by reduction box 1, distributor box 2
But system 3 is constituted.
The structure of reduction box is as shown in figure 3, including Gearbox 1.1, reduction box input shaft 1.2, reduction gearbox output shaft
1.3rd, drive disk assembly (transmission II axles 1.4 and transmission III axles 1.5) and gear (output shaft gear 1.3.1, II shaft transmission gear
1.4.1 with III shaft transmission gear 1.5.1) composition, wherein, reduction box input shaft 1.2, reduction gearbox output shaft 1.3, reduction box are passed
Dynamic component is arranged on Gearbox 1.1 by bearing.
Specifically, reduction box drive disk assembly is by the II axles on intermeshing transmission II axles 1.4 and transmission III axles 1.5
Travelling gear 1.4.1, III shaft transmission gear 1.5.1 constitute, the input gear on reduction box input shaft 1.2 be fixed on transmission
II shaft transmission gear 1.4.1 on II axles 1.4 are meshed, the output gear 1.3.1 of reduction gearbox output shaft 1.3 be fixed on III
Gear on shaft transmission gear 1.5.1 is meshed, in order to ensure the stability of gear, in output gear 1.3.1, II axle driving cog
Wheel 1.4.1, III shaft transmission gear 1.5.1's is respectively arranged at two ends with centring ring and adjustment circle.
The structure of distributor box 2 is as shown in Fig. 2 including distribution box body 2.1 and case lid 2.2, distribution box body 2.1 adopts ball
Black cast iron casing；Distributor box input block 2.3 and distributor box drive disk assembly 2.4 are provided with distribution box body 2.1, distributor box is defeated
Enter part 2.3 and distributor box drive disk assembly 2.4 and be meshed by being input into shaft bevel gears 2.3.4, transmission shaft bevel gears 2.4.4；Point
Material 42CrMo is adopted with case input shaft 2.3.1 and distributor box power transmission shaft 2.4.1, high precision, tensile strength are high, are hardly damaged；
Input shaft bevel gears 2.3.4, transmission shaft bevel gears 2.4.4 adopt high strength alloy steel, quenched Jing after chain digital control gear hobbing machine cutting, carbon
Nitrogen permeation is processed, and high precision, hardness are high, and its cone angle is 2-5 °.
Distributor box input block 2.3 includes that distributor box input shaft 2.3.1, distributor box input shaft 2.3.1 are fixed by bearing
In distribution box body 2.1, input shaft drive end bearing bracket 2.3.2 and input shaft rear end is provided with the front end of distributor box input shaft 2.3.1
Lid 2.3.3, input shaft drive end bearing bracket 2.3.2 are fastenedly connected with distribution box body 2.1, and input shaft rear end cap 2.3.3 is tight with case lid 2.2
It is solidly connected, is provided with input shaft bevel gears 2.3.4 in the middle part of distributor box input shaft 2.3.1.
Distributor box drive disk assembly 2.4 includes that distributor box power transmission shaft 2.4.4, distributor box power transmission shaft 2.4.1 are fixed by bearing
In the distribution box body 2.1, power transmission shaft drive end bearing bracket 2.4.2 and biography is respectively arranged at two ends with distributor box power transmission shaft 2.4.1
Moving axis rear end cap 2.4.3, power transmission shaft drive end bearing bracket 2.4.2 and power transmission shaft rear end cap 2.4.3 are connected with the distribution fastening of box body 2.1 respectively
Connect, be provided with transmission shaft bevel gears 2.4.4 in the middle part of distributor box power transmission shaft 2.4.1.The end of distributor box input shaft 2.3.1 is arranged
On the self-aligning thrust roller bearing 2.5 of input shaft rear end cap 2.3.3, the end of distributor box power transmission shaft 2.4.1 is set in transmission
On the self-aligning thrust roller bearing 2.5 of shaft rear end lid 2.4.3.Self-aligning thrust roller bearing 2.5 is rolled using high intensity thrust force aligning
Sub- bearing, dependable performance can bear big axial thrust, it is ensured that power smooth transport.
Reduction box 1 and distributor box 2 are by the internal spline of reduction gearbox output shaft 1.3 and distributor box input shaft 2.3.1 ends
External splines is meshed and constitutes and combines conjuncted.Reduction box 1 is provided with cooling system 3, and the system includes cooling down component 3.1, point oil
Component 3.4 and oil pump 3.3, oil pump 3.3 are connected with reduction box input shaft 1.2 by oil pump adapter sleeve 3.2, reduction box input shaft
While 1.2 rotation, oil-feed pump adapter sleeve 3.2 provides power, makes oil pump adapter sleeve 3.2 drive oil pump 3.3, and will cool down component
Fluid in 3.1 squeezes into a point line of oils part 3.4, realizes the cooling and lubricating to reduction box 1, increases the service life, it is ensured that operation peace
Entirely.Cooling component 3.4 is arranged in Gearbox 1.1.
Technology disclosed in this utility model can be used for producing a series of large-scale vertical conical-double -helical rod gear-boxes, i.e.,
SZ110 conical-double -helical rod gear-box SZ160 conical-double -helical rod gear-boxes.This utility model novelty from improve screw rod it is long
The angle of degree is set out, and distributing shaft angle is less so that the length of the active section of effect screw thread is longer, can add more processing modelings
Material, with bigger single shaft output torque, can configure the conical screw of bigger nominal diameter, the conical double-screw gear-box of research and development
As cone angle is less, in the case where enough output torques are ensured, the length of the effective active section of extruder screw is longer, extruder yield
It is higher such that it is able to produce various large scale plastic products such as large pipe, section bar, wood moulding, sheet, foaming product and pelletize.
Claims (8)
1. large-scale vertical conical-double -helical rod gear-box, it is characterised in that the gear-box includes reduction box, the distribution being connected with each other
Case, and the cooling system being connected with reduction box,
Described reduction box includes that Gearbox and warp beam hold the reduction box input shaft on Gearbox, reduction box
Output shaft, drive disk assembly and the gear supporting with drive disk assembly,
Described distributor box includes distributing box body and case lid, is provided with distributor box input block and divides in described distribution box body
With case drive disk assembly.
2. large-scale vertical conical-double -helical rod gear-box according to claim 1, it is characterised in that in described reduction box
Drive disk assembly by intermeshing transmission II axles and transmission III axles constitute, the input gear on described reduction box input shaft with
Be fixed on transmission II axles on II shaft transmission gears be meshed, the output gear of the reduction gearbox output shaft be fixed on transmission
III shaft transmission gears on III axles are meshed.
3. large-scale vertical conical-double -helical rod gear-box according to claim 2, it is characterised in that described output gear,
Be respectively arranged at two ends with centring ring and the adjustment of II shaft transmission gears and III shaft transmission gears is enclosed.
4. large-scale vertical conical-double -helical rod gear-box according to claim 2, it is characterised in that described cooling system bag
Cooling component, point line of oils part and oil pump is included, described oil pump is connected with the reduction box input shaft by oil pump adapter sleeve, oil
Pump adapter sleeve drives oil pump, and the fluid in cooling component is squeezed into a point line of oils part, and described cooling component is arranged on reduction box case
In vivo.
5. large-scale vertical conical-double -helical rod gear-box according to claim 1, it is characterised in that described distributor box input
Part and distributor box drive disk assembly Jing input shaft bevel gears and transmission shaft bevel gears intermeshing connection,
Described distributor box input block includes being fixed on the distributor box input shaft in distribution box body by bearing, is set in point
With input shaft drive end bearing bracket and input shaft rear end cap on case input shaft, and the input shaft bevel gears between two end caps；
Described distributor box drive disk assembly includes being fixed on the distributor box power transmission shaft in distribution box body by bearing, is set in point
With power transmission shaft drive end bearing bracket and power transmission shaft rear end cap on case power transmission shaft, and the transmission shaft bevel gears between two end caps.
6. large-scale vertical conical-double -helical rod gear-box according to claim 5, it is characterised in that
Described adopts material 42CrMo with case input shaft and distributor box power transmission shaft；
The cone angle of described input shaft bevel gears and transmission shaft bevel gears is 1.5 ° -2 °, using high strength alloy steel, Jing numerical controls rolling
Quenched after tooth machine cutting, carbo-nitriding is processed.
7. large-scale vertical conical-double -helical rod gear-box according to claim 5, it is characterised in that described distributor box transmission
The tip of the axis is set on self-aligning thrust roller bearing.
8. large-scale vertical conical-double -helical rod gear-box according to claim 1, it is characterised in that described reduction box with point
It is meshed by the external splines that the internal spline on reduction gearbox output shaft and distributor box are input into shaft end with case and is constituted and combines conjuncted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620745683.8U CN206036165U (en) | 2016-07-15 | 2016-07-15 | Large -scale vertical tapered twin -screw gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620745683.8U CN206036165U (en) | 2016-07-15 | 2016-07-15 | Large -scale vertical tapered twin -screw gear box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206036165U true CN206036165U (en) | 2017-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620745683.8U Active CN206036165U (en) | 2016-07-15 | 2016-07-15 | Large -scale vertical tapered twin -screw gear box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206036165U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620790A (en) * | 2016-07-15 | 2018-01-23 | 上海金湖挤出设备有限公司 | Large-scale vertical conical-double -helical rod gear-box |
-
2016
- 2016-07-15 CN CN201620745683.8U patent/CN206036165U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107620790A (en) * | 2016-07-15 | 2018-01-23 | 上海金湖挤出设备有限公司 | Large-scale vertical conical-double -helical rod gear-box |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |