CN85102692B - Composite damper and its pres technology - Google Patents
Composite damper and its pres technology Download PDFInfo
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- CN85102692B CN85102692B CN85102692A CN85102692A CN85102692B CN 85102692 B CN85102692 B CN 85102692B CN 85102692 A CN85102692 A CN 85102692A CN 85102692 A CN85102692 A CN 85102692A CN 85102692 B CN85102692 B CN 85102692B
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- inner ring
- flying wheel
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Abstract
The present invention relates to a combined vibration damper, a press fitting device and a press fitting process thereof. The combined vibration damper belongs to a vibration damping device for the torsional vibration of shafting. The vibration damper is composed of an inner ring, a rubber ring and an inertia wheel, has the advantages of simple structure and good vibration damping effect, and is also used as a belt pulley. Therefore, the vibration damper can be widely used in vehicle used engines. The rubber ring is pressed in by a special press fitting device, and has the advantages of simple process, hard breaking and cracking when in use and high reliability and safety. In mass production, the present invention is easy to carry out semi-automatic or full automatic production.
Description
A kind of combined shock absorber and press-loading device thereof and press-loading process belong to the vibration damping equipment of torsional vibration of shafting.
At the free end of vehicular engine, known torsional vibration of shafting vibration damper is made up of flying wheel, metal dish and rubber ring.In manufacture process, to thoroughly clean flying wheel and metal dish earlier, eliminate greasy dirt and oxide on the junction plane, then, use sulfuration process, lean on the end face of rubber ring that flying wheel and metal dish are bonded to one, this vibration damper generally is to be connected on the axle of engine free end with bolt.Because it belongs to the bigger thin dish-type vibration damper of diameter, so on vehicular engine, use the restriction that is subjected to the space.Metal dish steel plate drawing, rigidity is relatively poor, causes easily and comes unstuck.This vibration damper is except that structure complexity, effectiveness in vibration suppression difference, and is also very dangerous during use.
The objective of the invention is to: make a kind of vibration damper, be mainly used in the free end of vehicular engine, and the belt pulley of other annex of double as transmission.Simple in structure, advantages such as volume is little, good damping result that this vibration damper should have, and, for this product of making in enormous quantities, guarantee quality of product, also must the installing of design one casing pressure be equipped with and gluing pressure craft, to satisfy the needs of a large amount of vehicular engines.
Formation of the present invention is: this vibration damper is made of three parts.One parts are flying wheel, and it has bigger quality.Another parts are inner ring, and it belongs to the thin-wall metal cylinder.Also having parts is rubber ring, also has thin-wall tubular structure.Above-mentioned three is that central sleeve is dressed up one with the axis, and wherein, rubber ring is between flying wheel and inner ring.The axial cylindrical face at the joining portion of above-mentioned inner ring and flying wheel and rubber ring can be made straight, has ring-type zigzag fashion groove on the external cylindrical surface of inner ring at least one.In addition, the axial external cylindrical surface of inner ring can also be made convex, the taper of concave arc shape biconvex or concave-concave taper.Corresponding one by one therewith, the inner cylindrical surface of flying wheel also can be made concave arc shape, convex, concave-concave taper or biconvex taper.The radius of arc size of above-mentioned corresponding concave arc shape and convex, the cone angle number of degrees of concave-concave taper and biconvex taper should make rubber ring be pressed into smoothly between inner ring and the flying wheel and be advisable.Arcuate structure is adopted at the joining portion of above-mentioned rubber ring and inner ring or flying wheel, and it is preventing that the relative inner ring generation of flying wheel axial float direction is comparatively effective.
For above-mentioned rubber ring is packed between flying wheel and the inner ring, must be equipped with casing pressure installing and realize that this press-loading device mainly comprises a dip mold, a top die, an interior guide pin bushing and an outer bush.An apotting spindle and a positioning spigot are arranged on dip mold.Above-mentioned inner ring and interior guide pin bushing are by the apotting spindle location, and above-mentioned flying wheel is by the positioning spigot location, and outer bush is the cylindrical location by the flying wheel upper end.
Utilize above-mentioned press-loading device, the manufacturing process that rubber ring is pressed between flying wheel and the inner ring is: earlier the inner ring and the flying wheel that process are placed on the dip mold, inner ring is located by the apotting spindle on the dip mold, flying wheel is located by the positioning spigot on the dip mold, then interior guide pin bushing is contained on the apotting spindle of dip mold and pushes down inner ring, again outer bush is placed flying wheel top, and locate by the cylindrical of flying wheel upper end.At this moment, by means of hold down gag machinery or pneumatic or hydraulic pressure, respectively interior guide pin bushing, inner ring and outer bush, flying wheel are pressed on the dip mold.After this, lubricated Bond is coated in the inside and outside cylndrical surface of above-mentioned rubber ring, and the toroidal cavity between guide pin bushing and the outer bush in rubber ring placed, put top die again.At last, by means of press-in device machinery or pneumatic or hydraulic pressure, rubber ring is pressed between inner ring and the flying wheel through top die.After the demoulding the vibration damper product.
Fig. 1 is the combined shock absorber of rubber ring camber.
Fig. 2 is the combined shock absorber that rubber ring becomes straight shape.
Fig. 3 is the press-loading device of vibration damper rubber ring.
Be the most preferred embodiment of vibration damper of the present invention below, the details that provides this vibration damper by description and accompanying drawing to its structure.
As shown in Figure 1, parts (1) are that inner ring, parts (3) are flying wheels, and above-mentioned both can process with steel or cast iron materials, and parts (2) are rubber rings, and it is generally with vulcanite or soft rubber processing.The external cylindrical surface of inner ring (1) has the profile of concave arc shape, radius of arc R
1It is 542.05 millimeters, its body length is 110 millimeters, maximum outside diameter is 138 millimeters, and the inner cylindrical surface (1a) of inner ring (1) matches with the axle of engine free end, and this vibration damper is fastened on the outrigger shaft of engine free end by nut by means of the inner convex platform (1b) of inner ring (1).The axial length of flying wheel (3) is identical with inner ring (1), and inner cylindrical surface also is an arc, its radius of arc R
2It is 12.05 millimeters.But an end of flying wheel (3) is the bigger disk of diameter (3a), its objective is in order to make it have certain quality.This flying wheel (3) is gone back the double as belt pulley and is used.So processed three v belt grooves, so that drive the annex of engine free end.
As a kind of conversion, concave arc shape shown in Figure 1 can be replaced by the concave-concave taper, and the angle of its conical surface and axis is 4.1 °.The concave-concave taper is identical with the function of concave arc shape, but the former is easy to process.
Fig. 2 is the straight shape embodiment of vibration damper of the present invention, and wherein the axial inner cylindrical surface of the axial external cylindrical surface of inner ring (1) and flying wheel (3) is straight.Have two road ring-type zigzag fashion grooves (1c) on the external cylindrical surface of inner ring (1), the wide of this groove (1c) is 4 millimeters, and what be pressed into end at rubber ring (2) is 0.5～0.6 millimeter deeply.This structure has overcome the axial float problem effectively.An outer protruding circular column (1a) is arranged on the inner ring (1), and circle has keyway (1b) in it, so that this vibration damper is installed on the outrigger shaft of engine free end.Two v belt grooves that are used to drive other annex have only been processed on the flying wheel (3).
Fig. 3 is the embodiment who is used to make above-mentioned vibration damper critical process.
For the vibration damper of different structure, the structure of press-loading device also is not quite similar.Among the figure, parts (4) are top dies, and parts (5) are dip molds, and parts (8) are interior guide pin bushings, and parts (9) are outer bushs, and these parts are generally all processed with steel.Be welded with four uniform weeks of lug (10) that have bolt (12) on the above-mentioned dip mold (5).Corresponding, also be welded with the lug (11) of four (14) with holes on the above-mentioned outer bush (9).The manufacturing process that above-mentioned rubber ring (2) is pressed between inner ring (1) and the flying wheel (3) is as follows: earlier the inner ring (1) that processes is enclosed within on the apotting spindle (5a) of dip mold (5), the flying wheel that processes (3) is placed on the dip mold (5), and by positioning spigot (5b) location, again interior guide pin bushing (8) is enclosed within on the apotting spindle (5a) of dip mold (5), outer bush (9) is placed on the flying wheel (3), and the external cylindrical surface of flying wheel (3) plays the role of positioning to the inner cylindrical surface (9a) of outer bush (9).Should note making bolt (12) to be positioned at the hole (14) of lug (11) this moment.Then, the nut (7) on tight a bolt (6) is pressed on interior guide pin bushing (8), inner ring (1) on the dip mold (5), and the nut (13) on tight a bolt (12) is pressed on outer bush (9), flying wheel (3) on the dip mold (5).At last, on the interior outside of rubber ring (2) behind the uniformly lubricated Bond of coating, put into the annular groove between guide pin bushing (8) and the outer bush (9), rubber ring (2) be pressed into position shown in the accompanying drawing 3 with the gland (4b) on the top die (4), after the demoulding the vibration damper product.
Above-mentioned combined shock absorber and gluing pressure craft thereof have following advantage:
This damper structure is simple, the good damping result of vibration damper, and the also double belt pulley of doing is used.Therefore, can be widely used in vehicular engine.Rubber ring to be pressed into technology easy, and also not easily broken in using, the reliability and the sense of security improve.In production in enormous quantities, carry out semi-automatic or full-automatic production easily.For the vibration damper that two road zigzag fashion grooves are arranged, in 2 seconds, the rotating speed of motor is accelerated to 2800 rev/mins from 600 rev/mins, per hour carry out 6 times, done 500 hours 3000 times thermal shock test altogether, this vibration damper is excellent, does not also produce axial float.
Claims (5)
1, the vibration damping equipment that belongs to torsional vibration of shafting, a kind of vibration damper, it comprises an individual rubber ring of an inner ring (1) (2) and a flying wheel (3), rubber ring (2) has the profile of a thin-walled cylinder, rubber ring (2) is bonded between inner ring (1) and the flying wheel (3), the invention is characterized in, above-mentioned inner ring (1) can be made convex or concave arc shape with the axial external cylindrical surface at the joining portion of rubber ring (2), biconvex taper or concave-concave taper, corresponding one by one therewith, above-mentioned flying wheel (3) can be made concave arc shape or convex with the axial cylindrical face at the joining portion of rubber ring (2), concave-concave taper or biconvex taper, the radius of arc size of above-mentioned corresponding concave arc shape and convex, the cone angle number of degrees of concave-concave taper and biconvex taper, rubber ring (2) can be pressed between inner ring (1) and the flying wheel (3) smoothly be advisable, or on the straight external cylindrical surface of above-mentioned inner ring (1), have one ring-type zigzag fashion groove (1c) at least.
2, be used to make the device of above-mentioned vibration damper, the installing of one casing pressure is equipped with, it comprises a top die (4), a dip mold (5), this press-loading device is characterised in that, it also comprises an interior guide pin bushing (8), an outer bush (9), above-mentioned interior guide pin bushing (8) and outer bush (9), respectively Work-sheet pressing on dip mold (5), finish the work of being pressed into by top die (4) then.
3, according to the described press-loading device of claim 2, it is characterized in that an apotting spindle (5a), a positioning spigot (5b) are arranged on the above-mentioned dip mold (5), above-mentioned interior guide pin bushing (8) is by the apotting spindle location, and above-mentioned outer bush (9) also has circle (9a) in the location.
4, according to the described press-loading device of claim 3, press-fit the technology of vibration damper, it is characterized in that, load onto inner ring (1) earlier on the apotting spindle (5a) of above-mentioned dip mold (5), guide pin bushing (8) in refilling, flying wheel (3) is placed on the dip mold (5), again outer bush (9) is placed on the flying wheel (3), then, respectively interior guide pin bushing (8), inner ring (1) and outer bush (9), flying wheel (3) are pressed on the dip mold (5) with hold down gag, at last, press rubber ring (2) with top die (4).
5, according to the described press-loading process of claim 4, it is characterized in that, above-mentioned rubber ring (2) should be behind the uniformly lubricated Bond of coating on the inside and outside circle cylinder, put into the annular groove between guide pin bushing (8) and the outer bush (9), rubber ring (2) is pressed between inner ring (1) and the flying wheel (3) with top die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85102692A CN85102692B (en) | 1985-04-01 | 1985-04-01 | Composite damper and its pres technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN85102692A CN85102692B (en) | 1985-04-01 | 1985-04-01 | Composite damper and its pres technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN85102692A CN85102692A (en) | 1986-01-10 |
| CN85102692B true CN85102692B (en) | 1986-12-03 |
Family
ID=4792686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN85102692A Expired CN85102692B (en) | 1985-04-01 | 1985-04-01 | Composite damper and its pres technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN85102692B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865274A (en) * | 2010-06-18 | 2010-10-20 | 重庆长安汽车股份有限公司 | Driving V-belt pulley for damped crankshafts of engines |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104329409A (en) * | 2014-09-29 | 2015-02-04 | 上汽通用五菱汽车股份有限公司 | Torsional vibration damper for vehicle driving system |
| JP6811702B2 (en) | 2017-12-19 | 2021-01-13 | Nok株式会社 | Tortional damper |
-
1985
- 1985-04-01 CN CN85102692A patent/CN85102692B/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101865274A (en) * | 2010-06-18 | 2010-10-20 | 重庆长安汽车股份有限公司 | Driving V-belt pulley for damped crankshafts of engines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN85102692A (en) | 1986-01-10 |
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