CN206561585U - A kind of twin-screw - Google Patents
A kind of twin-screw Download PDFInfo
- Publication number
- CN206561585U CN206561585U CN201720214292.8U CN201720214292U CN206561585U CN 206561585 U CN206561585 U CN 206561585U CN 201720214292 U CN201720214292 U CN 201720214292U CN 206561585 U CN206561585 U CN 206561585U
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- China
- Prior art keywords
- screw
- tooth
- sub
- little gear
- driving
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Abstract
A kind of twin-screw, including driving screw, sub-screw, sealing ring, main tooth, shank, keyway, little gear a, secondary tooth, little gear b, mixing refining head, spiral shell rib, screw channel and screw head, driving screw afterbody is provided with shank, and shank is provided with keyway, and shank can be arranged on reductor by keyway；Driving screw and sub-screw afterbody are designed with sealing ring；Driving screw is provided with main tooth, and sub-screw is provided with secondary tooth, and little gear a is arranged on above main tooth and secondary tooth, little gear a is engaged with main tooth and secondary tooth respectively, and little gear b is arranged on below main tooth and secondary tooth, and little gear b is engaged with main tooth and secondary tooth respectively, driving screw turns clockwise, sub-screw rotate counterclockwise；Driving screw and sub-screw middle part are provided with identical mixing refining head；The utility model has the advantages that：With more preferable corrosion resistance and wearability.
Description
Technical field
The utility model is related to a kind of twin-screw, belongs to field of plastic machinery.
Background technology
The effect of screw rod is sizing material is gradually become linear motion with screw rod rotary motion, is elapsed to heading, and with
Fuselage is engaged, compression heat generation, softening stirring, blend glue stuff；Double screw extruder has uniform plasticizing mixing, yield height, matter
The features such as measuring stabilization, wide adaptation range, service life length, PVC powder straight forming；Double screw extruder performance is stable, can make
Melt at a lower temperature well extruded by plasticizing, therefore double screw extruder is becoming increasingly popular；However, traditional twin-screw
Loss occurs in extrusion power transmission, and energy consumption is larger, and screw rod corrosion resistance and wearability nor very high, therefore this is
Urgent problem.
The content of the invention
The purpose of this utility model is to provide a kind of twin-screw.
Problem to be solved in the utility model is that existing twin-screw power transmission loss is larger, and the corrosion resistance of screw rod
With wearability nor very high defect.
To realize the purpose of this utility model, the technical solution adopted in the utility model is：
A kind of twin-screw of the utility model, including driving screw, sub-screw, sealing ring, main tooth, shank, keyway, little gear a,
Secondary tooth, little gear b, mixing refining head, spiral shell rib, screw channel and screw head, driving screw afterbody are provided with shank, and shank is provided with keyway, passes through key
Shank can be arranged on reductor by groove；Driving screw and sub-screw afterbody are designed with sealing ring, and sealing ring can prevent material
Countercurrently；Driving screw is provided with main tooth, and sub-screw is provided with secondary tooth, and little gear a is arranged on above main tooth and secondary tooth, a points of little gear
Do not engaged with main tooth and secondary tooth, little gear b is arranged on below main tooth and secondary tooth, little gear b is engaged with main tooth and secondary tooth respectively, is led to
Crossing little gear a and little gear b can be transmitted to the rotatory force on driving screw on sub-screw, and driving screw turns clockwise, secondary spiral shell
Bar rotate counterclockwise；Driving screw and sub-screw middle part are provided with identical mixing refining head, and the thing of melting can be made by mixing refining head
It is more abundant that material is mixed；Driving screw and sub-screw are respectively equipped with spiral shell rib, screw channel and screw head, and two screw rod spiral shell ribs are apart from phase
Together, spiral groove depth is identical, and screw head taper is all 60 degree；Nut stem material is 38CrMoAlA, and conditioned processing：HB270-
290, the processing of screw rod outer surface via nitride, hardness HV>950, nitride layer depth is in 0.5-0.7mm.
The utility model has the advantages that：Driving screw is provided with main tooth, and sub-screw is provided with secondary tooth, by little gear a and small
Rotatory force on driving screw can be transmitted on sub-screw by gear b, and the power on driving screw can be directly delivered to sub-screw,
Reduce intermediate energy loss, with it is more efficient the characteristics of；Driving screw and sub-screw middle part are provided with identical mixing refining head, pass through
It is more abundant that mixing refining head can make that the material of melting mixes；Nut stem material is 38CrMoAlA, and conditioned processing：
HB270-290, the processing of screw rod outer surface via nitride, hardness HV>950, nitride layer depth has more preferable in 0.5-0.7mm
Corrosion resistance and wearability.
Brief description of the drawings
Fig. 1 is a kind of front schematic perspective view of twin-screw of the utility model；
Fig. 2 is a kind of back side schematic perspective view of twin-screw of the utility model；
In figure：1st, driving screw 2, sub-screw 3, sealing ring 4, main tooth 5, shank 6, keyway 7, little gear a
8th, secondary tooth 9, little gear b 10, mixing refining head 11, spiral shell rib 12, screw channel 13, screw head.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
A kind of twin-screw of the utility model, including it is driving screw 1, sub-screw 2, sealing ring 3, main tooth 4, shank 5, keyway 6, small
Gear a7, secondary tooth 8, little gear b9, mixing refining head 10, spiral shell rib 11, screw channel 12 and screw head 13, the afterbody of driving screw 1 are provided with shank 5,
Shank 5 is provided with keyway 6, and shank 5 can be arranged on reductor by keyway 6；Driving screw 1 and the afterbody of sub-screw 2 are designed with
Sealing ring 3, sealing ring 3 can prevent material adverse current；Driving screw 1 is provided with main tooth 4, and sub-screw 2 is provided with secondary tooth 8, little gear
A7 is arranged on above main tooth 4 and secondary tooth 8, and little gear a7 is engaged with main tooth 4 and secondary tooth 8 respectively, and little gear b9 is arranged on the main He of tooth 4
Below secondary tooth 8, little gear b9 is engaged with main tooth 4 and secondary tooth 8 respectively, can be by driving screw 1 by little gear a7 and little gear b9
On rotatory force be transmitted on sub-screw 2, driving screw 1 turns clockwise, the rotate counterclockwise of sub-screw 2；Driving screw 1 and sub-screw
2 middle parts are provided with identical mixing refining head 10, by mixing refining head 10 can make that the material of melting mixes it is more abundant；Driving screw
1 and sub-screw 2 be respectively equipped with spiral shell rib 11, screw channel 12 and screw head 13, two screw rod spiral shell ribs 11 are apart from identical, the depth phase of screw channel 12
Together, the taper of screw head 13 is all 60 degree；Nut stem material is 38CrMoAlA, and conditioned processing：HB270-290, screw rod appearance
Face via nitride processing, hardness HV>950, nitride layer depth is in 0.5-0.7mm, therefore screw rod has more preferable corrosion resistance and resistance to
Mill property.
The utility model application method, driving screw 1 and sub-screw 2 is arranged in machine barrel, little gear a7 is arranged on main tooth 4
Above secondary tooth 8, little gear a7 is engaged with main tooth 4 and secondary tooth 8 respectively, and little gear b9 is arranged on below main tooth 4 and secondary tooth 8, small
Gear b9 is engaged with main tooth 4 and secondary tooth 8 respectively, and driving screw 1 turns clockwise, the rotate counterclockwise of sub-screw 2, on driving screw 1
Power can be directly delivered to sub-screw 2, reduce intermediate energy loss, with it is more efficient the characteristics of.
Claims (4)
1. a kind of twin-screw, including driving screw（1）, sub-screw（2）, sealing ring（3）, main tooth（4）, shank（5）, keyway（6）, it is small
Gear a（7）, secondary tooth（8）, little gear b（9）, mixing refining head（10）, spiral shell rib（11）, screw channel（12）And screw head（13）, its feature
It is：Driving screw（1）Afterbody is provided with shank（5）, shank（5）Provided with keyway（6）；Driving screw（1）And sub-screw（2）Afterbody is designed with
Sealing ring（3）；Driving screw（1）It is provided with main tooth（4）, sub-screw（2）Provided with secondary tooth（8）, driving screw（1）Turn clockwise,
Sub-screw（2）Rotate counterclockwise；Driving screw（1）And sub-screw（2）Middle part is provided with identical mixing refining head（10）；Driving screw
（1）And sub-screw（2）It is respectively equipped with spiral shell rib（11）, screw channel（12）And screw head（13）, two screw rod spiral shell ribs（11）Apart from identical,
Screw channel（12）Depth is identical, screw head（13）Taper is all 60 degree.
2. a kind of twin-screw according to claim 1, it is characterized in that：The little gear a（7）Installed in main tooth（4）And pair
Tooth（8）Above, little gear a（7）Respectively with main tooth（4）With secondary tooth（8）Engagement.
3. a kind of twin-screw according to claim 1, it is characterized in that：The little gear b（9）Installed in main tooth（4）And pair
Tooth（8）Below, little gear b（9）Respectively with main tooth（4）With secondary tooth（8）Engagement.
4. a kind of twin-screw according to claim 1, it is characterized in that：The nut stem material is 38CrMoAlA, and through adjusting
Matter processing：HB270-290, the processing of screw rod outer surface via nitride, hardness HV>950, nitride layer depth is in 0.5-0.7mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720214292.8U CN206561585U (en) | 2017-03-07 | 2017-03-07 | A kind of twin-screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720214292.8U CN206561585U (en) | 2017-03-07 | 2017-03-07 | A kind of twin-screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206561585U true CN206561585U (en) | 2017-10-17 |
Family
ID=60031648
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720214292.8U Expired - Fee Related CN206561585U (en) | 2017-03-07 | 2017-03-07 | A kind of twin-screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206561585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516226A (en) * | 2020-04-30 | 2020-08-11 | 福建玮晟机械有限公司 | Synthetic membrane plastify film forming device |
-
2017
- 2017-03-07 CN CN201720214292.8U patent/CN206561585U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516226A (en) * | 2020-04-30 | 2020-08-11 | 福建玮晟机械有限公司 | Synthetic membrane plastify film forming device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191219 Address after: 316000 No.5, 1st branch, Lingang 2nd Road, Shuangqiao street, Dinghai District, Zhoushan City, Zhejiang Province Patentee after: Zhoushan button Machinery Technology Co.,Ltd. Address before: Town Dinghai District 316043 Zhejiang city of Zhoushan Province in Tiantong Wan Road No. 17 Patentee before: ZHOUSHAN ZSS METAL MACHINERY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |