CN2768905Y - Mechanical vibrating stepless amplitude-modulation mechanism - Google Patents
Mechanical vibrating stepless amplitude-modulation mechanism Download PDFInfo
- Publication number
- CN2768905Y CN2768905Y CN 200520069815 CN200520069815U CN2768905Y CN 2768905 Y CN2768905 Y CN 2768905Y CN 200520069815 CN200520069815 CN 200520069815 CN 200520069815 U CN200520069815 U CN 200520069815U CN 2768905 Y CN2768905 Y CN 2768905Y
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- eccentric bushing
- turning cylinder
- eccentric sleeve
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Abstract
The utility model relates to a mechanical vibration stepless amplitude regulating mechanism which is characterized in that the mechanism is composed of a two-stage eccentric sleeve and a regulating device changing the compound eccentricity of the two-stage eccentric sleeve, wherein the two-stage eccentric sleeve is formed by the method that a first-stage eccentric sleeve on the inner layer and a second-stage eccentric sleeve on the outer layer are embedded and sheathed with each other in a sliding fit way, one surface of the fit contact surface thereof is provided with a key and the other surface is provided with a spiral key slot. When the first-stage eccentric sleeve and a second-stage eccentric sleeve are embedded and sheathed with each other in a sliding fit way, the key is connected with the spiral key slot in a fit way; thus, the two-stage eccentric sleeve structure of which the inner and the outer layers are compound; the inner circle of the first-stage eccentric sleeve is sheathed on a rotating shaft, and is connected with the rotating shaft in a driving way in a rotation direction; the outer circle of the second-stage eccentric sleeve generates compound eccentricity; the regulating device is formed from a fixing piece is connected with a moving piece through a screw thread pair; the screw thread pair acts on the axial direction of the first-stage eccentric sleeve or the second-stage eccentric sleeve, and two stages of eccentric sleeves can correspondingly rotate when in axial corresponding move; thus, the compound eccentricity can be regulated. The utility model enables the amplitude of a mechanical vibration mechanism to be in stepless regulation, and the amplitude regulating operation can be completed in the state of starting and the operation is convenient and easy.
Description
Technical field
The utility model relates to eccentric block formula vibrating machine field, is specifically related to a kind of mechanism that is used to regulate and control amplitude on the vibrating machine.
Background technology
Mechanical oscillation are widely used in various production fields, and the basic principle of mechanical oscillation is to utilize eccentric body to produce eccentric force (centrifugal force) and cause vibration around fixing axle rotation.The general type of the mechanical oscillation of utilization is in the plant equipment (as grinder): with the eccentric block high speed rotating of motor on drive (as belt pulley) drive turning cylinder and turning cylinder, from eccentric block output one offset, pass through a series of transmission mechanisms again, this offset is changed point-blank into moving back and forth.
Though it is a variety of that the existing machinery vibrating mechanism has on form and structure, but they have a shortcoming mostly, and promptly amplitude is unadjustable, and their amplitude is by the offset decision of the eccentric block that adopts, generally definite when design, in the utilization process, be uncontrollable.The unadjustable scope of application of having brought immediately of amplitude is little, and the shortcoming of versatility difference makes vibrating mechanism can not be applicable to different plant equipment, or the different processing materials and the requirement of occasion.Current people have proposed the amplitude modulation requirement to vibrating mechanism in the machinery utilization, and hope can infinitely amplitude modulation in time under the state of start.
Summary of the invention
The utility model purpose has provided a kind of new mechanical and has vibrated ungraded amplitude mechanism, makes the amplitude stepless of mechanical oscillation mechanism adjustable, and can finish the operation of amplitude modulation under open state, and it is convenient and easy to operate.
For achieving the above object, the technical solution adopted in the utility model is: a kind of mechanical oscillation ungraded amplitude mechanism, this mechanism is made of the adjuster of two-stage eccentric bushing and change two-stage eccentric bushing composite eccentric amount, the two-stage eccentric bushing is made of with outer field secondary eccentric bushing is nested movingly the one-level eccentric bushing of internal layer, it cooperates on the contact-making surface, one side is provided with key, another side is provided with helical spline, between one-level eccentric bushing and the secondary eccentric bushing in nested while movingly, be connected with key and helical spline, constitute the compound two-stage eccentric bushing structure of ectonexine with this; The inner ring of one-level eccentric bushing is enclosed within on the turning cylinder, and is connected in the direction of rotation driving with turning cylinder, and the outer ring of secondary eccentric bushing produces the composite eccentric amount; Described adjuster is connected and composed by screw thread pair by a fixture and a movable part, this screw thread pair acts on the axial of one-level eccentric bushing or secondary eccentric bushing, make between the two-stage eccentric bushing axially relatively moving to relatively rotate simultaneously, adjust composite eccentric amount size with this.
Related content in the technique scheme is explained as follows:
1, in the such scheme, the axial concrete preferred version that described adjuster acts on inclined to one side cover of one-level or secondary eccentric bushing has following several:
The inner ring of a, described one-level eccentric bushing is socketed on the turning cylinder, and is fixedly connected with turning cylinder, and adjuster is arranged at the afterbody of turning cylinder, and acts on the one-level eccentric bushing by turning cylinder; Described adjuster is made of an adjustment seat and the adjustment nut as movable part as fixture, adjusts seat and is placed on the turning cylinder by the through hole activity in the middle part of it, and the one end is fixedlyed connected with antinose-dive leg, and the other end is connected with the adjustment nut by screw thread pair; The afterbody of described turning cylinder with bearings in adjusting nut, the head of turning cylinder or/and axle body by slip cap slide, rotational support is on antinose-dive leg.
For making the position that can not influence drive that moves axially of turning cylinder, drive is designed to axial elongated keyway with keyway during the pin key of turning cylinder is connected, make key and axially the elongated keyway on direction of rotation, cooperate for driving, in the axial direction for being slidingly matched.
B, described one-level eccentric bushing inner ring are provided with key, and power transmission shaft is provided with axial elongated keyway, and one-level eccentric bushing and power transmission shaft are connected by key and axial elongated keyway; Described adjuster is made of an antinose-dive leg and the bolt as movable part as fixture, and is arranged at its left side or right side corresponding to the one-level eccentric bushing, acts on the one-level eccentric bushing; Bolt shaft is to being located on the antinose-dive leg, with antinose-dive leg to be threaded, its tail end is connected with the one-level eccentric bushing.
C, described adjuster are made of an antinose-dive leg and the bolt as movable part as fixture, and are arranged at its left side or right side corresponding to the secondary eccentric bushing, act on the secondary eccentric bushing; Bolt shaft is to being located on the antinose-dive leg, with antinose-dive leg to be threaded, its tail end is connected with the secondary eccentric bushing.
2, in the such scheme, described turning cylinder is provided with static balance adjustment wheel, and this static balance adjustment wheel can be fixedlyed connected with one-level eccentric wheel or secondary eccentric wheel.
3, in the such scheme, described " inner ring of one-level eccentric bushing is enclosed within on the turning cylinder; and drive in direction of rotation with turning cylinder be connected ", the driving connection here is meant the connected mode that one-level eccentric bushing and turning cylinder can drive mutually in direction of rotation, comprise that fixedly connected, key connects or spline connects or the like, press actual needs and select; When adjuster is when acting on a line eccentric bushing by turning cylinder, should adopts between one-level eccentric bushing and turning cylinder and fixedly connected; When adjuster directly acts on the one-level eccentric bushing, the connected mode that should adopt key to cooperate between one-level eccentric bushing and turning cylinder with axial elongated keyway; When adjuster directly acts on the secondary eccentric bushing, adopt fixedly connected, key to be connected between one-level eccentric bushing and turning cylinder and all can.
The utility model operation principle is: the utility model has adopted the compound two-stage eccentric bushing structure of ectonexine, wherein between the one-level eccentric bushing of internal layer and the outer field secondary eccentric bushing in mutually nested while movingly, be connected with key and helical spline, when relatively moving in the axial direction under the effect of two-stage eccentric bushing at adjuster, key slides in helical spline, make the two-stage eccentric bushing that relative rotation take place, produce a compound offset with this outer ring at the secondary eccentric bushing; Regulate the two-stage eccentric bushing to relative position can realize the step-less adjustment of amplitude.
The action principle of adjuster is: pass through threads engaged with fixture (as adjusting seat) and movable part (as adjusting nut), movable part (as adjusting nut) directly or indirectly is connected with one-level eccentric bushing or secondary eccentric bushing, at this moment, turn movable part (as adjusting nut), movable part (as adjusting nut) is promptly done axially-movable under threaded function, drive the eccentric interplanting axially-movable of one-level eccentric bushing or secondary simultaneously, make the relative axial displacement of generation between them.Therefore, by the effect of adjuster, only need turn movable part (as adjusting nut) can regulate the step-less adjustment amplitude.
After amplitude is adjusted to desired location, because of adopting the screw thread location, locate comparatively reliably, can adjust static balance adjustment wheel this moment, strong to static balance.
Because the technique scheme utilization, the utility model compared with prior art has following advantage:
1, because the utility model has adopted the compound two-stage eccentric bushing structure of ectonexine, amplitude can step-less adjustment, the scope of application of separate unit mechanical oscillation mechanism is increased greatly, versatility strengthens, utilization is got up more flexible, can alternative many mechanisms in the past under different amplitudes requires, work, thereby saved the cost of machine-building design.
2, because the utility model has adopted ectonexine compound two-stage eccentric bushing structure and adjuster, its simple and ingenious structure, easily manufactured, cost is low.
3, owing to be connected for screw thread pair between the fixture in the adjuster that the utility model adopts and movable part, the displacement to axial that will need dexterously to realize between one-level eccentric bushing and secondary eccentric bushing has been transformed into the relative rotation between fixture and movable part, make to regulate to operate and become very convenient, under open state, the turn movable part can be regulated; Simultaneously, screw thread pair has played the effect of location, has guaranteed the reliable of location, can not take place loosening after the adjustment and displacement.
Description of drawings
Accompanying drawing 1 is the structural representation of embodiment;
Accompanying drawing 2 be in the accompanying drawing 1 A-A to cross-sectional schematic;
Accompanying drawing 3 is the partial schematic diagram of one-level eccentric bushing and static balance adjustment wheel part in the accompanying drawing 1, among the figure for having removed the state behind secondary eccentric wheel and the key;
In the above accompanying drawing: 1, one-level eccentric bushing; 2, secondary eccentric bushing; 3, key; 4, helical spline; 5, turning cylinder; 6, adjust seat; 7, adjust nut; 8, through hole; 9, antinose-dive leg; 10, bearing; 11, slip cap; 12, antinose-dive leg; 13, drive; 14, key; 15, axial elongated keyway; 16, static balance adjustment wheel; 17, drive sleeve.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment: shown in accompanying drawing 1～accompanying drawing 3, a kind of mechanical oscillation ungraded amplitude mechanism, this mechanism is made of the adjuster of two-stage eccentric bushing and change two-stage eccentric bushing composite eccentric amount, the two-stage eccentric bushing is made of with outer field secondary eccentric bushing 2 is nested movingly the one-level eccentric bushing 1 of internal layer, the inner ring of secondary eccentric bushing 2 is provided with key 3, the outer ring of one-level eccentric bushing 1 is provided with helical spline 4, between one-level eccentric bushing 1 and the secondary eccentric bushing 2 in nested while movingly, be connected with key 3 and helical spline 4, constitute the compound two-stage eccentric bushing structure of ectonexine with this; The inner ring of described one-level eccentric bushing 1 is socketed on turning cylinder 5, and is fixedly connected with turning cylinder 5, and the outer ring of secondary eccentric bushing 2 produces the composite eccentric amount; Be arranged with drive sleeve 17 on secondary eccentric bushing 2 outer rings, this drive sleeve 17 and secondary eccentric bushing 2 outer ring tight fits are through these drive sleeve 17 output composite eccentric amounts.
Adjuster is arranged at the afterbody of turning cylinder 5, and by turning cylinder 5 act on one-level eccentric bushing 1 axially, make between the two-stage eccentric bushing axially relatively moving to relatively rotate simultaneously, adjust composite eccentric amount size with this.Described adjuster is made of an adjustment seat 6 and the adjustment nut 7 as movable part as fixture, adjusting seat 6 is placed on the turning cylinder 5 by through hole 8 activities in the middle part of it, the one end is fixedlyed connected with antinose-dive leg 9, and the other end is connected with adjustment nut 7 by screw thread pair; The afterbody of described turning cylinder 5 is supported on bearing 10 and adjusts in the nut 7, and the head of turning cylinder 5 and axle body portion pass through slip cap 11 slips, rotational support on antinose-dive leg 12.
Described turning cylinder 5 is provided with drive 13, is provided with key 14 in the endoporus of drive 13, offers axial elongated keyway 15 on the turning cylinder, and described key 14 cooperates for driving on direction of rotation with axial elongated keyway 15, in the axial direction for being slidingly matched; Described drive 13 is a belt pulley, and it is by driven by motor, drives the compound two-stage eccentric bushing high speed rotating of ectonexine on turning cylinder 5 and the axle again by this belt pulley.Described turning cylinder 5 is provided with static balance adjustment wheel 16, and this static balance adjustment wheel 16 is fixedlyed connected with one-level eccentric wheel 1.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (6)
1, a kind of mechanical oscillation ungraded amplitude mechanism, it is characterized in that: this mechanism is made of the adjuster of two-stage eccentric bushing and change two-stage eccentric bushing composite eccentric amount, the two-stage eccentric bushing is by the one-level eccentric bushing [1] and the nested movingly formation of outer field secondary eccentric bushing [2] of internal layer, it cooperates on the contact-making surface, one side is provided with key [3], another side is provided with helical spline [4], between one-level eccentric bushing [1] and the secondary eccentric bushing [2] in nested while movingly, be connected with key [3] and helical spline [4], constitute the compound two-stage eccentric bushing structure of ectonexine with this; The inner ring of one-level eccentric bushing [1] is enclosed within on the turning cylinder [5], and is connected in the direction of rotation driving with turning cylinder [5], and the outer ring of secondary eccentric bushing [2] produces the composite eccentric amount; Described adjuster is connected and composed by screw thread pair by a fixture and a movable part, this screw thread pair acts on the axial of one-level eccentric bushing [1] or secondary eccentric bushing [2], make between the two-stage eccentric bushing axially relatively moving to relatively rotate simultaneously, adjust composite eccentric amount size with this.
2, mechanical oscillation amplitude modulation according to claim 1 mechanism, it is characterized in that: the inner ring of described one-level eccentric bushing [1] is socketed on the turning cylinder [5], same turning cylinder [5] is fixedly connected, described adjuster is arranged at the afterbody of turning cylinder [5], and acts on one-level eccentric bushing [1] by turning cylinder [5]; Described adjuster is made of an adjustment seat [6] and the adjustment nut [7] as movable part as fixture, adjusting seat [6] is placed on the turning cylinder [5] by through hole [8] activity in the middle part of it, the one end is fixedlyed connected with antinose-dive leg [9], and the other end is connected with adjustment nut [7] by screw thread pair; The afterbody of described turning cylinder [5] is supported on bearing [10] and adjusts in the nut [7], and the head of turning cylinder [5] is or/and axle body passes through slip cap [11] slip, rotational support on antinose-dive leg [12].
3, mechanical oscillation amplitude modulation according to claim 2 mechanism, it is characterized in that: described turning cylinder [5] is provided with drive [13], be provided with key [14] in the endoporus of drive [13], offer axial elongated keyway [15] on the turning cylinder, described key [14] cooperates for driving on direction of rotation with axial elongated keyway [15], in the axial direction for being slidingly matched.
4, mechanical oscillation amplitude modulation according to claim 2 mechanism is characterized in that: described turning cylinder [5] is provided with static balance adjustment wheel [16], and this static balance adjustment wheel [16] is fixedlyed connected with one-level eccentric wheel [1].
5, mechanical oscillation amplitude modulation according to claim 1 mechanism, it is characterized in that: the inner ring of described one-level eccentric bushing is provided with key, and power transmission shaft is provided with axial elongated keyway, and one-level eccentric bushing and power transmission shaft are connected by key and axial elongated keyway; Described adjuster is made of an antinose-dive leg and the bolt as movable part as fixture, and is arranged at its left side or right side corresponding to the one-level eccentric bushing, acts on the one-level eccentric bushing; Bolt shaft is to being located on the antinose-dive leg, with antinose-dive leg to be threaded, its tail end is connected with the one-level eccentric bushing.
6, mechanical oscillation amplitude modulation according to claim 1 mechanism, it is characterized in that: described adjuster is made of an antinose-dive leg and the bolt as movable part as fixture, and corresponding to the secondary eccentric bushing be arranged at its left side or the right side, act on the secondary eccentric bushing; Bolt shaft is to being located on the antinose-dive leg, with antinose-dive leg to be threaded, its tail end is connected with the secondary eccentric bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069815 CN2768905Y (en) | 2005-03-11 | 2005-03-11 | Mechanical vibrating stepless amplitude-modulation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520069815 CN2768905Y (en) | 2005-03-11 | 2005-03-11 | Mechanical vibrating stepless amplitude-modulation mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN2768905Y true CN2768905Y (en) | 2006-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520069815 Expired - Fee Related CN2768905Y (en) | 2005-03-11 | 2005-03-11 | Mechanical vibrating stepless amplitude-modulation mechanism |
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| CN (1) | CN2768905Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510165A (en) * | 2011-11-02 | 2012-06-20 | 无锡富岛精工有限公司 | Reversible vibration motor |
| CN102747670A (en) * | 2012-07-09 | 2012-10-24 | 池州腾虎机械科技有限公司 | Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously |
| CN105268623A (en) * | 2015-11-11 | 2016-01-27 | 王存伟 | Multi-stage variable-amplitude vibrator |
| CN110962336A (en) * | 2018-09-28 | 2020-04-07 | 深圳市人彩科技有限公司 | Push-pull mixing type extruder special for three-dimensional color printer |
| CN111229580A (en) * | 2019-08-09 | 2020-06-05 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibration excitation device |
| CN111250377A (en) * | 2019-08-09 | 2020-06-09 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibration exciter |
-
2005
- 2005-03-11 CN CN 200520069815 patent/CN2768905Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102510165A (en) * | 2011-11-02 | 2012-06-20 | 无锡富岛精工有限公司 | Reversible vibration motor |
| CN102510165B (en) * | 2011-11-02 | 2013-10-23 | 无锡富岛精工有限公司 | Reversible vibration motor |
| CN102747670A (en) * | 2012-07-09 | 2012-10-24 | 池州腾虎机械科技有限公司 | Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously |
| CN102747670B (en) * | 2012-07-09 | 2014-12-10 | 池州腾虎机械科技有限公司 | Vibration exciter vibrating mechanism of vibratory roller capable of adjusting eccentricity continuously |
| CN105268623A (en) * | 2015-11-11 | 2016-01-27 | 王存伟 | Multi-stage variable-amplitude vibrator |
| CN110962336A (en) * | 2018-09-28 | 2020-04-07 | 深圳市人彩科技有限公司 | Push-pull mixing type extruder special for three-dimensional color printer |
| CN111229580A (en) * | 2019-08-09 | 2020-06-05 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibration excitation device |
| CN111250377A (en) * | 2019-08-09 | 2020-06-09 | 济南豪特创新管理咨询合伙企业(有限合伙) | Vibration exciter |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |