CN202326905U - Integrated flexible flywheel - Google Patents
Integrated flexible flywheel Download PDFInfo
- Publication number
- CN202326905U CN202326905U CN2011205057351U CN201120505735U CN202326905U CN 202326905 U CN202326905 U CN 202326905U CN 2011205057351 U CN2011205057351 U CN 2011205057351U CN 201120505735 U CN201120505735 U CN 201120505735U CN 202326905 U CN202326905 U CN 202326905U
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- plate
- flywheel
- flexible
- flexible flywheel
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- Expired - Fee Related
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Abstract
The utility model provides an integrated flexible flywheel which comprises a plate-shaped body, flanging and an outer gear ring, wherein the plate-shaped body is a flexible plate formed by spinning forming; the flanging is formed on the periphery of the plate-shaped body through spinning forming; and the outer gear ring is formed on the flanging through spinning forming. Compared with the existing flexible flywheel formed by combining a plurality of parts, the integrated flexible flywheel is characterized in that the flanging is formed on the periphery of the flexible plate through the spinning technology, and the outer gear ring is formed on the flanging by the spinning technology, thus the flywheel gear ring and the flexible plate are combined into a whole, so that the number of the parts is reduced, and the complexity degree of the technology is also reduced; moreover, since the spinning technology is adopted, the generation of the pollutant is reduced and the production cost is also reduced.
Description
Technical field
The utility model relates to the motor car engine field, particularly a kind of incorporate flexible flywheel that is used for motor car engine.
Background technique
The flywheel of motor car engine is formed by rotary inertia big cast iron disk and gear ring manufacturing usually; Main effect is the revolution nonuniformity and storage kinetic energy of restriction bent axle; It also makes the motor ratio be easier to start simultaneously, and the automobile ratio is easier to starting, can overcome the overwork of short time.Starter motor further is equipped with little gear ring, and the small gear of starter motor and flywheel ring gear engagement during starting drags motor and realizes starting.
The present flexible flywheel and the similar of traditional flywheel, as shown in Figure 1, flexible flywheel comprises flywheel ring gear 101, cast iron plate 102 and flexible plate 103.Wherein, gear ring 101 is fitted in the periphery of cast iron plate 102 through interference fit under the condition of heating.Flexible plate 103 is installed in a side of cast iron plate 102 through bolt 104.
Present flexible flywheel at first need be made for example each several part parts such as flywheel ring gear, cast iron plate, flexible plate respectively, and then each part is combined during fabrication.Wherein, cast iron plate forms for casting; Flywheel ring gear is welded into circle by section bar earlier, then through machining cutting profile of tooth; And flexible plate can pass through stamped because thickness is less.
This shows that present flexible flywheel causes processing technology complicated because parts are more; Particularly flywheel ring gear need pass through manufacturing process such as welding, machining, heat treatment adding man-hour; So the manufacturing equipment that needs is many, processing cost is high, and the energy that consumes in the production process is many; Also to produce pollutants such as waste gas, waste water in the heat treatment process, cause the pollution of environment.
In addition; In the process of engine start, all can cause when the unstability of engine operation and rotation speed change between startup small gear and the flywheel ring gear of starter motor and produce the engagement noise, this be since between flywheel ring gear 101 and the cast iron plate 102 for being rigidly connected; Connect through interference fit; Can produce noise between flywheel ring gear 101 and the cast iron plate 102, and the profile of tooth of flywheel ring gear 101 forms through machining, machining accuracy is lower; Therefore the back lash is bigger, also can cause the noise between the startup small gear of flywheel ring gear and starter motor.And the vibration of motor also can be further aggravated in these gaps that produce the engagement noise, thereby has influenced travelling comfort.
The model utility content
In view of this, the utility model provides a kind of incorporate flexible flywheel that is used for motor car engine.
A kind of incorporate flexible flywheel that the utility model provides comprises: mould pressing is the plate-like body of flexible plate, at the flange of the periphery mould pressing of said plate-like body, and the external toothing of mould pressing on said flange.
Preferably, the thickness of flange is 20～30mm.
The thickness of said external toothing is 8～12mm.
The tooth pitch of said external toothing is 5～8mm.
The diameter of said plate-like body is 200～300mm.
Visible by technique scheme, adopt the utility model can produce following beneficial effect:
Compare with the existing flexible flywheel that is combined to form through a plurality of component, the incorporate flexible flywheel of the utility model can form flange at the flexible plate periphery of flexible flywheel through rotary pressure technology, and forms external toothing at this flange place through rotary pressure technology; Flywheel ring gear and flexible plate are combined as a whole; Not only reduce the quantity of part, reduced the complex process degree, and owing to adopted rotary pressure technology; Reduce the generation of pollutant, reduced cost of production.
Description of drawings
Fig. 1 is the structural representation of the flexible flywheel of existing technology;
Fig. 2 is the structural representation of the incorporate flexible flywheel of the utility model.
Fig. 3 is the sectional view of the incorporate flexible flywheel of the utility model.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model is clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, to the utility model further explain.
In the utility model, the flexible flywheel of motor car engine is combined as a whole flywheel ring gear and flexible plate, thereby can use rotary pressure technology with flexible flywheel single forming.
Fig. 2 is the structural representation of the incorporate flexible flywheel of the utility model.Fig. 3 is the sectional view of the incorporate flexible flywheel of the utility model.Referring to Fig. 2 and shown in Figure 3; The incorporate flexible flywheel of the utility model comprises: the plate-like body 203 that is configured as flexible plate through rotary pressure technology; Periphery in this plate-like body 203 passes through the flange 202 that rotary pressure technology forms, and the external toothing 201 of mould pressing on flange 202.Wherein, flange 202 is perpendicular to said plate-like body 203.
Different with traditional knockdown flexible flywheel; The flexible flywheel of the utility model forms a flange 202 through rotary pressure technology at the periphery of the plate-like body that is configured as flexible plate 203; And on this flange 202, forming gear ring 201 through rotary pressure technology, gear ring 201 and flexible plate are combined as a whole, thereby have reduced the quantity of part; And reduced the complex process degree, plate-like body 203, flange 202 and gear ring 201 can be integrally formed in a process step.
Rotary pressure technology is a kind of advanced person's a formation technique, and it has become a kind of important processing method of small lot, many kinds, rotary type parts of thin-wall casing, and it has machining accuracy height, characteristics that discharge amount of pollution is low.Traditional flexible flywheel can not adopt rotary pressure technology to process because the thickness of cast iron plate and gear ring is limit.The flexible flywheel of the utility model is through directly being set to gear ring 201 process at the periphery of plate-like body 203, makes gear ring 201 as the part of flexible plate, thereby can adopt rotary pressure technology to process.
Preferably, the thickness of flange 202 is 20～30mm.
The thickness of said external toothing is 8～12mm.The tooth pitch of said external toothing is 5～8mm.The diameter of said plate-like body is 200～300mm.
The incorporate flexible flywheel of making the utility model adopts following operation to make usually:
(1) clamping preform.Being about to plate-like body 203 is installed on the processing stations.
(2) control driving shaft spinning roller and driven shaft spinning roller are synchronously in proportion with the speed motion.
(3) preform is carried out cylindrical reducing spinning, and form flange 202.Wherein, this process comprises the operations such as shaping, undergauge, closing in, back cover, flange, crimping and beading of preform.
(4) preform is carried out tooth portion spinning, finally make flexible flywheel finished product.
(5) control driving shaft spinning roller radially direction of feed return, chase after the moulding of being carried out next preform.
Hardness, the degree of finish of the flank of tooth have been improved through the flexible flywheel of above this working procedure processing; Can compensate the flank of tooth and broaden, not only reduce raw-material input, also improve the intensity of break-in face; Prolong service life of gear, the engagement noise and the wearing and tearing of flywheel ring gear when reducing starting.
Gear transmission is a kind of typical mechanism kinematic mode in the mechanical structure, and the processing of gear is the process of a complicacy, and the quality of its processing and precision directly influence the uniformity of accuracy, stationarity and the load distribution of mechanism kinematic.Rotary pressure technology is a kind of novel gear manufacturing technology, and it can improve product precision and work efficiency, reduce production costs and trial-produce period by gear, all has great importance for Gear Production producer obtains good economic benefit.
Therefore, compare with traditional gear manufacturing technology, the flywheel ring gear of embarking on journey through rotary pressure technology has incomparable advantages such as high tenacity, highi degree of accuracy and single forming.Because precision, the intensity of gear ring are higher, and integrally formed with flexible plate, therefore can reduce the work nonuniformity of motor effectively, reduce vibration, thereby improved the travelling comfort of going.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (5)
1. an incorporate flexible flywheel is characterized in that, comprising: mould pressing is the plate-like body of flexible plate, at the flange of the periphery mould pressing of said plate-like body, and the external toothing of mould pressing on said flange.
2. incorporate flexible flywheel according to claim 1 is characterized in that the thickness of said flange is 20～30mm.
3. incorporate flexible flywheel according to claim 2 is characterized in that the thickness of said external toothing is 8～12mm.
4. incorporate flexible flywheel according to claim 3 is characterized in that the tooth pitch of said external toothing is 5～8mm.
5. incorporate flexible flywheel according to claim 1 is characterized in that the diameter of said plate-like body is 200～300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205057351U CN202326905U (en) | 2011-12-07 | 2011-12-07 | Integrated flexible flywheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205057351U CN202326905U (en) | 2011-12-07 | 2011-12-07 | Integrated flexible flywheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202326905U true CN202326905U (en) | 2012-07-11 |
Family
ID=46438885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205057351U Expired - Fee Related CN202326905U (en) | 2011-12-07 | 2011-12-07 | Integrated flexible flywheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202326905U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643221A (en) * | 2016-03-16 | 2016-06-08 | 芜湖东光大华机械制造有限公司 | Flywheel machining technology |
| CN106826112A (en) * | 2017-01-16 | 2017-06-13 | 南通福乐达汽车配件有限公司 | A kind of Flywheel fluted disc processing technology for double mass flywheel |
-
2011
- 2011-12-07 CN CN2011205057351U patent/CN202326905U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643221A (en) * | 2016-03-16 | 2016-06-08 | 芜湖东光大华机械制造有限公司 | Flywheel machining technology |
| CN106826112A (en) * | 2017-01-16 | 2017-06-13 | 南通福乐达汽车配件有限公司 | A kind of Flywheel fluted disc processing technology for double mass flywheel |
| CN106826112B (en) * | 2017-01-16 | 2019-05-07 | 南通福乐达汽车配件有限公司 | A kind of Flywheel fluted disc processing technology for double mass flywheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180507 Address after: 570216 Jinniu Road No. 2-8, Jinpan Industrial Development Zone, Haikou, Hainan Patentee after: Haima Autocars Co., Ltd., No. Autocar Manufacture Plant Address before: 570216 Jin pan Industrial Development Zone, Haikou, Hainan Patentee before: FAW Haima Power Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20191207 |