CN204113923U - A kind of vibration damping mechanical supporting device of transmission shaft - Google Patents
A kind of vibration damping mechanical supporting device of transmission shaft Download PDFInfo
- Publication number
- CN204113923U CN204113923U CN201420609422.4U CN201420609422U CN204113923U CN 204113923 U CN204113923 U CN 204113923U CN 201420609422 U CN201420609422 U CN 201420609422U CN 204113923 U CN204113923 U CN 204113923U
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- bearing
- guide slot
- transmission shaft
- oil
- oil guide
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Abstract
The utility model provides a kind of vibration damping mechanical supporting device of transmission shaft.Described device comprises screw 1, end cap 2, bearing outer ring 3, flexible body 4, rolling element 5, bearing inner race 6, retainer 7, location snap ring 8, sealing felt collar 9, oil guide slot 1, oil guide slot 2 11, oil guide slot 3 12, oil nozzle 13, bearing support upper cover 14, transmission shaft 15, block rubber 16, joins oil jacket 17, bearing block base 18.This device can when do not dismantle bearing support and do not need shut down bearing can be made to obtain sufficient lubrication; novel structure, with low cost, reliable operation, effectively to enhance productivity; and the new structural type of bearing roller and the physical property that embeds the flexible body excellence be made up of macromolecular material in rolling element make while improving the load-carrying properties of bearing own, can absorb the vibratory impulse energy of main motor output shaft and printing cylinder, effectively prevent rotor play phenomenon.
Description
Technical field
The utility model relates to mechanical supporting device, especially relates to a kind of mechanical supporting device with effectiveness in vibration suppression for transmission shaft.
Background technique
In recent years, along with the raising of printingtechnique and perfect, printing press has been promoted to high speed, polychrome, multi-functional, automation direction development.Shaft-less drive technology adopts independent actuating motor to drive each cylinder, because it has the advantages such as transmission accuracy is high, designs simplification, gear range are wide, easy to adjust, just progressively replaces traditional mechanical transmission to realize drive connection accurately.But adopting the printing press of non-axis transmission also to there is shortcomings, is first that the bearing lubrication of printing press main motor output shaft is not good, cause that motor oscillating is comparatively large, heating is serious and the phenomenon such as rotor shifting.Secondly, the bearing for the supporting of printing cylinder axle journal adopts rolling bearing or sliding bearing usually, and this class bearing has plurality of advantages and is widely used, but also because carrying precision is not high, vibration noise is larger and restricted.Therefore, design a kind of transmission shaft such as vibration damping mechanical supporting device of press motor output shaft, cylinders of printing press axle journal etc. that can be used for have have certain engineering significance for promoting the development of printingtechnique.
Summary of the invention
Technical problem to be solved in the utility model is: provide one to be arranged on printing press main motor output shaft or cylinders of printing press axle journal place, can not only ensure that bearing lubrication is convenient and swift reliable, respond well, and effectively can absorb the vibration damping mechanical supporting device of spindle motor and printing cylinder vibratory impulse energy in printing press operation process.
The technological scheme that the utility model adopts is: a kind of vibration damping mechanical supporting device of transmission shaft, comprises screw, end cap, bearing outer ring, flexible body, rolling element, bearing inner race, retainer, location snap ring, sealing felt collar, oil guide slot one, oil guide slot two, oil guide slot three, oil nozzle, bearing support upper cover, transmission shaft, block rubber, joins oil jacket, bearing block base.It is characterized in that, described transmission shaft is equipped with bearing inner race, it is location snap ring on the left of bearing inner race, location snap ring is stuck in the groove of transmission shaft, double rolling element is furnished with in the middle of bearing outer ring and bearing inner race, roller inside embeds flexible body and is fixed by retainer, bearing outer ring is placed in joins in oil jacket, bearing outer ring and join between oil jacket and be provided with three block rubbers, join oil jacket and bearing inner race passes through end cap, bearing support upper cover and bearing block base are fixed, bearing outer ring, join oil jacket, end cap is respectively equipped with oil guide slot one, oil guide slot two, oil guide slot three, end cap is connected with bearing support upper cover and bearing block base by fastening screw trip bolt, sealing felt collar is provided with between transmission shaft and end cap.
A kind of vibration damping mechanical supporting device of transmission shaft, be further characterized in that, rolling element on the basis of solid cylinder rolling element, processes endoporus and forms dark cave hollow cylinder rolling element at endoporus two ends design chamfering structure, embed flexible body at endoporus simultaneously and form hard and soft binary compound rolling element, the flexible body that endoporus embeds is made up of macromolecular material PTFE or PFA.
A kind of vibration damping mechanical supporting device of transmission shaft, be further characterized in that, oil nozzle is arranged on end cap, and the oil guide slot three of end cap substantially horizontal is coaxial with the oil guide slot two of joining oil jacket substantially horizontal, and the oil guide slot two of joining oil jacket Vertical direction is coaxial with the oil guide slot one of bearing outer ring.
A vibration damping mechanical supporting device for transmission shaft, is further characterized in that, bearing outer ring and join between oil jacket and be provided with two block rubbers in the horizontal direction, and downside is provided with a block rubber in the vertical direction.
The beneficial effects of the utility model are: 1, because oil guide slot is arranged on end cap and join on oil jacket; this device can when not dismantling bearing support and not needing bearing can be made to obtain sufficient lubrication when shutting down, and novel structure, with low cost, reliable operation, enhances productivity.2, the structural type that hard and soft binary compound rolling element is new and the physical property of macromolecular material excellence make while improving the load-carrying properties of bearing own, can absorb the vibratory impulse energy of main motor output shaft and printing cylinder, effectively prevent rotor play phenomenon.3, block rubber is simple for structure, easy for installation, strengthens this device effect of vibration and noise reduction further, obviously reduces bearing outer ring and joins the stress destruction between oil jacket.
Accompanying drawing explanation
Fig. 1 is a kind of vibration damping mechanical supporting device plan view of transmission shaft.
Fig. 2 is a kind of vibration damping mechanical supporting device sectional view of transmission shaft.
In figure, 1 be screw, 2 be end cap, 3 be bearing outer ring, 4 be flexible body, 5 be rolling element, 6 be bearing inner race, 7 be retainer, 8 be location snap ring, 9 be sealing felt collar, 10 for oil guide slot one, 11 for oil guide slot two, 12 for oil guide slot three, 13 being oil nozzle, 14 being bearing support upper cover, 15 being transmission shaft, 16 being block rubber, 17 being bearing block base for joining oil jacket, 18.
Embodiment
Below by specific embodiment, the utility model is described in further detail.
Embodiment one: as shown in Figure 1 and Figure 2, a vibration damping mechanical supporting device for transmission shaft, comprises screw 1, end cap 2, bearing outer ring 3, flexible body 4, rolling element 5, bearing inner race 6, retainer 7, location snap ring 8, sealing felt collar 9, oil guide slot 1, oil guide slot 2 11, oil guide slot 3 12, oil nozzle 13, bearing support upper cover 14, transmission shaft 15, block rubber 16, joins oil jacket 17, bearing block base 18.It is characterized in that there is bearing inner race 6 by interference fit on described transmission shaft 15, bearing inner race 6 right-hand member is by transmission shaft 15 shaft shoulder location, and left end prevents bearing inner race 6 axial float by snap ring 8 location, location, and location snap ring 8 is stuck in the groove of transmission shaft 15.Bearing outer ring 3 and join oil jacket 17 and coordinate, be evenly equipped with 12 pairs of rolling elements 5 between bearing outer ring 3 and bearing inner race 6, rolling element 5 inside embeds flexible body 4 and is also fixed by retainer 7, prevents rolling element 5 from producing and slides.Bearing outer ring 3 and join oil jacket 17 right-hand member and all locate by bearing support upper cover 14 and bearing block base 18, left end is located by end cap 2, bearing outer ring 3 and join oil jacket 17 two block rubbers 16 are set in the horizontal direction, downside arranges a block rubber 16 in the vertical direction, can further improve this device effect of vibration and noise reduction.End cap 2 is fixedly connected with bearing block base 18 with bearing support upper cover 14 by screw 1, is provided with sealing felt collar 9 between end cap 2 and transmission shaft 15.
Embodiment
Embodiment two: as shown in Figure 1, a kind of vibration damping mechanical supporting device of transmission shaft, its rolling element 5 is hollow cylinder rolling element, endoporus two ends design chamfering structure, and forming hard and soft binary compound rolling element at the flexible body 4 that the embedding of rolling element 5 inside is made up of macromolecular material, flexible body 4 is made up of macromolecular material PTFE or PFA.The physical property of the structural type that this device bearing part is new and macromolecular material excellence makes while improving the load-carrying properties of bearing own, can absorb the vibratory impulse energy of main motor output shaft and printing cylinder, effectively prevent rotor play phenomenon.
Embodiment three: as shown in Figure 1, a kind of vibration damping mechanical supporting device of transmission shaft, bearing outer ring 3, join oil jacket 17, end cap 2 is respectively equipped with oil guide slot 1, oil guide slot 2 11, oil guide slot 3 12, the oil nozzle 13 only need opening end cap 2 when lubricating carries out the filling of lubricant oil, lubricant oil enters double roller 5 by oil guide slot 3 12, oil guide slot 2 11 and oil guide slot 1 successively, greasing is without the need to dismantling whole bearing device, reliably convenient and swift.Simultaneously in processing and assembly process, the coaxality of each oil guide slot must be ensured, prevent lubricant oil from revealing in oil guide slot.
Embodiment four: as shown in Figure 2, a kind of vibration damping mechanical supporting device of transmission shaft, block rubber 16 be assemblied in join oil jacket 17 groove in, higher machining accuracy must be ensured when joining milling groove in oil jacket 17, preventing from joining between oil jacket 17 and block rubber 16 and produce gap.
Claims (4)
1. a vibration damping mechanical supporting device for transmission shaft, comprises screw (1), end cap (2), bearing outer ring (3), flexible body (4), rolling element (5), bearing inner race (6), retainer (7), location snap ring (8), sealing felt collar (9), oil guide slot one (10), oil guide slot two (11), oil guide slot three (12), oil nozzle (13), bearing support upper cover (14), transmission shaft (15), block rubber (16), join oil jacket (17), bearing block base (18), it is characterized in that, described transmission shaft (15) is equipped with bearing inner race (6), bearing inner race (6) left side is location snap ring (8), location snap ring (8) is stuck in the groove of transmission shaft (15), double rolling element (5) is furnished with in the middle of bearing outer ring (3) and bearing inner race (6), rolling element (5) inside embeds flexible body (4) and is fixed by retainer (7), bearing outer ring (3) is placed in joins in oil jacket (17), bearing outer ring (3) and join between oil jacket (17) and be provided with three block rubbers (16), joins oil jacket (17) and bearing inner race (3) by end cap (2), bearing support upper cover (14) and bearing block base (18) are fixed, bearing outer ring (3), join oil jacket (17), end cap (2) is respectively equipped with oil guide slot one (10), oil guide slot two (11), oil guide slot three (12), end cap (2) is connected with bearing support upper cover (14) and bearing block base (18) by fastening screw trip bolt (1), is provided with and seals felt collar (9) between transmission shaft (15) and end cap (2).
2. according to the vibration damping mechanical supporting device of a kind of transmission shaft according to claim 1, it is characterized in that, rolling element (5) on the basis of solid cylinder rolling element, processes endoporus and forms dark cave hollow cylinder rolling element at endoporus two ends design chamfering structure, embed flexible body (4) at endoporus simultaneously and form hard and soft binary compound rolling element, the flexible body that endoporus embeds is made up of macromolecular material PTFE or PFA.
3. according to the vibration damping mechanical supporting device of a kind of transmission shaft according to claim 1, it is characterized in that, oil nozzle (13) is arranged on end cap (2), the oil guide slot three (12) of end cap (2) substantially horizontal is coaxial with the oil guide slot two (11) of joining oil jacket (17) substantially horizontal, and the oil guide slot two (11) of joining oil jacket (17) Vertical direction is coaxial with the oil guide slot one (10) of bearing outer ring.
4. according to the vibration damping mechanical supporting device of a kind of transmission shaft according to claim 1, it is characterized in that, bearing outer ring (3) and join between oil jacket (17) and be provided with two block rubbers (16) in the horizontal direction, downside is provided with a block rubber (16) in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609422.4U CN204113923U (en) | 2014-10-22 | 2014-10-22 | A kind of vibration damping mechanical supporting device of transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420609422.4U CN204113923U (en) | 2014-10-22 | 2014-10-22 | A kind of vibration damping mechanical supporting device of transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204113923U true CN204113923U (en) | 2015-01-21 |
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ID=52331236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420609422.4U Withdrawn - After Issue CN204113923U (en) | 2014-10-22 | 2014-10-22 | A kind of vibration damping mechanical supporting device of transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204113923U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314995A (en) * | 2014-10-22 | 2015-01-28 | 湖南工业大学 | Vibration attenuation mechanical supporting device of transmission shaft |
| CN106321653A (en) * | 2016-09-30 | 2017-01-11 | 上海德惠特种风机有限公司 | Draught fan bearing box with oil leakage preventing end cover |
| CN106917825A (en) * | 2015-12-25 | 2017-07-04 | 贵阳大新机械加工有限公司 | For the exciting case of high-frequency breaking hammer |
-
2014
- 2014-10-22 CN CN201420609422.4U patent/CN204113923U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314995A (en) * | 2014-10-22 | 2015-01-28 | 湖南工业大学 | Vibration attenuation mechanical supporting device of transmission shaft |
| CN104314995B (en) * | 2014-10-22 | 2016-08-17 | 湖南工业大学 | A kind of vibration damping mechanical supporting device of power transmission shaft |
| CN106917825A (en) * | 2015-12-25 | 2017-07-04 | 贵阳大新机械加工有限公司 | For the exciting case of high-frequency breaking hammer |
| CN106321653A (en) * | 2016-09-30 | 2017-01-11 | 上海德惠特种风机有限公司 | Draught fan bearing box with oil leakage preventing end cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150121 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |