CN205989494U - A kind of double screw extruder of employing involute spline - Google Patents
A kind of double screw extruder of employing involute spline Download PDFInfo
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- CN205989494U CN205989494U CN201620778489.XU CN201620778489U CN205989494U CN 205989494 U CN205989494 U CN 205989494U CN 201620778489 U CN201620778489 U CN 201620778489U CN 205989494 U CN205989494 U CN 205989494U
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- involute spline
- spline
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Abstract
The utility model discloses a kind of double screw extruder of employing involute spline.Described reduction box between distributor box, distributor box is connected with being respectively adopted involute spline between screw rod；The tooth of described involute spline is trapezium structure, the described involute spline number of teeth is 24, and described involute spline modulus is 2.5 4, and described involute spline pressure angle is 30 °, described involute spline external diameter is 47.5 96mm, and described involute spline internal diameter is 40.5 84.8mm.This utility model adopts involute spline to replace rectangular spline, and in assembling, the involute spline number of teeth is 24, and far more than the number of teeth of rectangular spline, the little high precision in involute spline gap, the area of contact is big, can transmit larger moment of torsion.Involute spline is processed using high accuracy, and in high-speed cruising, noise is less.
Description
Technical field：
This utility model belongs to PVC board laminator Synchronization Control field, particularly to a kind of employing involute spline
Double screw extruder.
Background technology：
Existing double screw extruder typically adopts rectangular spline connecting screw rod, distributor box, reduction box.Rectangular spline assembles
The big precision in gap is low.The rectangular spline number of teeth is less, and contact area is also less, and the moment of torsion of transmission is restricted.In high-speed cruising,
The noise producing is also larger.
The information being disclosed in this background section is merely intended to increase the understanding to general background of the present utility model, and
It is not construed as recognizing or imply in any form that this information structure has been existing well known to persons skilled in the art
Technology.
Utility model content：
The purpose of this utility model is to provide a kind of double screw extruder of employing involute spline, thus overcoming above-mentioned
Defect of the prior art.
For achieving the above object, this utility model provides a kind of double screw extruder of employing involute spline, and it is special
Levy and be：Including：Reduction box, distributor box, screw rod, involute spline；Between described reduction box and distributor box, between distributor box and screw rod
It is respectively adopted involute spline to connect；The tooth of described involute spline is trapezium structure, and the described involute spline number of teeth is 24, institute
Stating involute spline modulus is 2.5-4, and described involute spline pressure angle is 30 °, and described involute spline external diameter is 47.5-
96mm, described involute spline internal diameter is 40.5-84.8mm.
Compared with prior art, this utility model has the advantages that：
Rectangular spline is replaced using involute spline, the involute spline number of teeth is 24 in assembling, far more than rectangular flower
The number of teeth of key, the little high precision in involute spline gap, the area of contact is big, can transmit larger moment of torsion.Involute spline is adopted
Processed with high accuracy, in high-speed cruising, noise is less.
Brief description：
Fig. 1 adopts the double screw extruder structural representation of involute spline for this utility model；
Fig. 2 is this utility model involute spline structural representation；
Reference is：1- reduction box, 2- distributor box, 3- screw rod, 4- involute spline.
Specific embodiment：
Below specific embodiment of the present utility model is described in detail, it is to be understood that protection of the present utility model
Scope is not limited by specific embodiment.
Explicitly indicate that unless otherwise other, otherwise in entire disclosure and claims, term " inclusion " or its change
Change such as "comprising" or " including " etc. and will be understood to comprise stated element or ingredient, and do not exclude other units
Part or other ingredient.
As shown in Figure 1-2, a kind of double screw extruder of employing involute spline, including：Reduction box 1, distributor box 2, spiral shell
Bar 3, involute spline 4；Between described reduction box 1 and distributor box 2, it is respectively adopted involute spline 4 between distributor box 2 and screw rod 3 even
Connect；The tooth of described involute spline 7 is trapezium structure, and described involute spline 4 number of teeth is 24, described involute spline 4 modulus
For 2.5-4, described involute spline 4 pressure angle is 30 °, and described involute spline 4 external diameter is 47.5-96mm, described involute
Spline 4 internal diameter is 40.5-84.8mm.Involute spline 4 number of teeth is far more than rectangular spline, the little precision in involute spline 4 gap
Height, the area of contact is big, can transmit larger moment of torsion.Involute spline 4 is processed using high accuracy, in high-speed cruising, makes an uproar
Sound is less
The aforementioned description to specific illustrative embodiment of the present utility model illustrate that and illustration purpose.These
Description is not wishing to for this utility model to be defined to disclosed precise forms, and it will be apparent that according to above-mentioned teaching, can carry out
A lot of changes and change.The purpose of selecting and describing the exemplary embodiment is that explaining certain principles of the present utility model
And its practical application, so that those skilled in the art is capable of and utilizes various different example of the present utility model
Property embodiment and various different selection and change.Scope of the present utility model is intended to by claims and its waits similar shape
Formula is limited.
Claims (1)
1. a kind of double screw extruder of employing involute spline it is characterised in that：Including, reduction box, distributor box, hopper, gradually
Burst at the seams spline；Described reduction box between distributor box, distributor box is connected with being respectively adopted involute spline between screw rod；Described involute
The tooth of spline is trapezium structure, and the described involute spline number of teeth is 24, and described involute spline modulus is 2.5-4, described gradually opens
Line spline pressure angle is 30 °, and described involute spline external diameter is 47.5-96mm, and described involute spline internal diameter is 40.5-
84.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778489.XU CN205989494U (en) | 2016-07-21 | 2016-07-21 | A kind of double screw extruder of employing involute spline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620778489.XU CN205989494U (en) | 2016-07-21 | 2016-07-21 | A kind of double screw extruder of employing involute spline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205989494U true CN205989494U (en) | 2017-03-01 |
Family
ID=58102415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620778489.XU Active CN205989494U (en) | 2016-07-21 | 2016-07-21 | A kind of double screw extruder of employing involute spline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205989494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958688A (en) * | 2021-11-26 | 2022-01-21 | 株洲时代新材料科技股份有限公司 | Cylindrical straight-tooth trapezoidal spline coupling method and detection method thereof in non-high-speed transmission occasion |
-
2016
- 2016-07-21 CN CN201620778489.XU patent/CN205989494U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113958688A (en) * | 2021-11-26 | 2022-01-21 | 株洲时代新材料科技股份有限公司 | Cylindrical straight-tooth trapezoidal spline coupling method and detection method thereof in non-high-speed transmission occasion |
| CN113958688B (en) * | 2021-11-26 | 2023-09-26 | 株洲时代新材料科技股份有限公司 | Cylindrical straight tooth trapezoidal spline coupling method and detection method for non-high-speed transmission occasion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 50 Xiqun Road, Xinwu District, Wuxi City, Jiangsu Province, 214000 Patentee after: WUXI BOYU PLASTIC MACHINERY Co.,Ltd. Address before: No. 186-6, Taibo Avenue, Fangqian, New District, Wuxi City, Jiangsu Province, 214000 Patentee before: WUXI BOYU PLASTIC MACHINERY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |