CN2236365Y - Inertial vibrating mechanism with linear stimulation by eccentric axle - Google Patents
Inertial vibrating mechanism with linear stimulation by eccentric axle Download PDFInfo
- Publication number
- CN2236365Y CN2236365Y CN 95238047 CN95238047U CN2236365Y CN 2236365 Y CN2236365 Y CN 2236365Y CN 95238047 CN95238047 CN 95238047 CN 95238047 U CN95238047 U CN 95238047U CN 2236365 Y CN2236365 Y CN 2236365Y
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- CN
- China
- Prior art keywords
- coupling member
- eccentric axle
- eccentric shaft
- eccentric
- vibration frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an inertial vibrating mechanism with linear stimulation by an eccentric axle, which is composed of a vibrating machine frame, the eccentric axle and a connection member; one end of the connection member is connected with the vibrating machine frame for changing the eccentric axle and a belt wheel portion of the connection member into moving members, and the moving members can be moved to generate the inertial vibratory force. The entire quality of the eccentric axle and the members on the eccentric axle can be used for generating the vibratory force in motion; the vibrating efficiency of the inertial vibrating mechanism with linear stimulation by the eccentric axle can be increased; the inertial vibrating mechanism with linear stimulation by the eccentric axle can be easily manufactured than the gear mechanism, and having low cost; the vibratory force can be changed through changing the eccentricity of the eccentric axle, the rotary speed of the eccentric axle, the increase and the decrease of the counterweight of the belt wheel on the eccentric axle.
Description
The utility model relates to a kind of inertial oscillation mechanism, the inertial oscillation mechanism of particularly a kind of eccentric shaft global approximation straight line or straight line exciting.
Vibrating machine is had many uses, its transmission mechanism is many to use eccentric stiffener simple in structure now, but this balance of mechanism is bad, and vibration is big, and parts are fragile, and use the above shortcoming of inertial oscillation mechanism to be overcome, but inertial oscillation mechanism makes and requires height generally by gear drive, and gear housing is heavier, except that the polarization piece, most of weight all becomes the effective amplitude that the resistance of motion has reduced the machine works part.Vibrating motor is easy to use with it at present, advantages such as few maintenance are used more and more wide on vibrating machine, but its exciting force direction is 360 ° of circumferential variation, make machinery obtain straight reciprocating motion, general vibrating motor needs to use in pairs or use the rubber torsion spring to eliminate the vibration of useless direction, the machine cost is raise, and rubber torsion spring part is fragile, dependability is poor, and the same deadweight of vibrating motor influences the effective amplitude of machine greatly.
The purpose of this utility model is to provide a kind of exciting efficiency height, makes the inertial oscillation mechanism of simple eccentric shaft global approximation straight line or straight line exciting.
The utility model is realized by following manner: the inertial oscillation mechanism of a kind of eccentric shaft global approximation straight line or straight line exciting, comprise the eccentric stiffener of forming by vibration frame, eccentric shaft and coupling member, coupling member one end and eccentric shaft are hinged, the other end connects with vibration frame, another coupling member one end and eccentric shaft central shaft are hinged, the other end connects with vibration frame, and vibration frame and machine vibration partly connect firmly.Coupling member can be a connecting rod, and another coupling member can be a rocking bar, and their end is all hinged with vibration frame.Coupling member can also be the movable guiding rail that connects with vibration frame moving sets structure, and another coupling member then is that rocking bar and its end and vibration frame are hinged.Coupling member can also be the slide block that connects with vibration frame moving sets structure, and another coupling member then is the movable guiding rail that connects with vibration frame moving sets structure.
The structure that the utility model adopted can make the all-mass of eccentric shaft and upper-part thereof all produce exciting force at the volley, the exciting efficiency of mechanism is improved greatly, and the making of mechanism is much simpler than gear mechanism, cost reduces greatly, the big I of its exciting force is by changing the eccentric shaft eccentric throw, change the rotating speed of eccentric shaft, the counterweight on the increase and decrease eccentric shaft belt pulley changes.
Accompanying drawing has provided three embodiment of the present utility model.
Fig. 1 is the utility model drive system structure schematic front view;
Fig. 2 is the utility model drive system structure signal left view;
Fig. 3 is the utility model embodiment 1A-A profile;
Fig. 4 is the utility model embodiment 1B-B profile;
Fig. 5 is the utility model embodiment 1 kinematic sketch of mechanism;
Fig. 6 is the utility model embodiment 2C-C profile;
Fig. 7 is the utility model embodiment 2D-D profile;
Fig. 8 is the utility model embodiment 2 kinematic sketch of mechanisms;
Fig. 9 is the utility model embodiment 3 profiles;
Figure 10 is the utility model embodiment 3 kinematic sketch of mechanisms.
With reference to the accompanying drawings the utility model is described in further detail.
With reference to Fig. 1, Fig. 2, this mechanism adopts eccentric shaft 2, its eccentric part connects with coupling member 3 one ends through radial ball bearing, on the eccentric shaft 2 not the eccentric part two ends also connect with two coupling member 1 one ends through radial ball bearing, outermost end at eccentric shaft 2 is equipped with belt pulley 4, connected with belt pulley 4 through belt by two belt pulleys 6 on another, motor power drives belt pulley 6, and drives entire mechanism thus through one group of belt pulley 7, power transmission shaft 8.Coupling member 1, the other end of coupling member 3 all connects with vibration frame 5, vibration frame 5 is affixed with the machine vibration part, when belt drives eccentric shaft 2 rotations, eccentric shaft 2 integral body produce the motion of horizontal direction among the figure under the counter-force effect of coupling member 3, and the eccentric swing that in rotary course, coupling member 3 is made coupling member 3 generation vertical direction at the active force of vertical direction, eccentric shaft 2 integral body movement locus in the horizontal direction is by the control that swings of coupling member 1, going back the random device oscillating component because of coupling member 1 integral body moves together, so the motion of eccentric shaft 2 integral body should be the synthetic of swinging of coupling member 1 and machine vibration motion partly, when less and length coupling member 1 was longer when eccentric shaft 2 eccentric throws, the movement locus of eccentric shaft 2 was a bit of circular arc that is similar to straight line.Connect with vibration, and make eccentric shaft and upper belt pulley thereof partly become movement parts, produce inertial excitation power by their motion, because of center displacement changes at 360 ° of circumferencial directions, with coupling member connecting shaft line vertical direction, off-centre causes the swing of coupling member, and the counter-force on the coupling member axis direction causes the motion of whole eccentric shaft and upper-part thereof, the movement locus of eccentric shaft is by the perpendicular pendulum coupling member control of another and coupling member placement location, like this, the all-mass of eccentric shaft and upper-part thereof all produces exciting force at the volley, the exciting efficiency of mechanism is improved greatly, and the making of mechanism is much simpler as cost and reduce greatly than gear mechanism.
Embodiment 1:
With reference to Fig. 3, Fig. 4, Fig. 5, coupling member 3 is connecting rods 11 in the present embodiment, coupling member 1 is a rocking bar 10, two rocking bars 10 are hinged with vibration rack 5, connecting rod 11 becomes 90 ° with rocking bar 10 axis, connecting rod 11 is hinged with eccentric shaft 13 eccentric part, eccentric part is not hinged with eccentric shaft 13 for rocking bar 10, rocking bar 10 plays supporting eccentric shaft 13 and limits its movement locus, 11 on connecting rod is offset in the eccentric rotation active force to vertical direction, and promoting the effect that eccentric shaft 13 moves with reaction force in the horizontal direction, belt pulley 12 is placed two ends and is subjected to equilibrium of forces to guarantee the entire machine motion parts.The present embodiment kinematic sketch of mechanism can be converted into crank double rocker mechanism shown in Figure 5, and its freedom of motion is 1.
Although embodiment 1 is simple in structure, but the exciting force direction is a near linear, slightly inadequate, with reference to Fig. 6, Fig. 7, Fig. 8, after improving with Fig. 1 in coupling member 1 change the rolling guide structure into, coupling member 3 is used rocking bar, can make the exciting force direction is complete rectilinear direction, 15 is that fixed support and machine need oscillating component affixed among the figure, 14 is movable guiding rail, it is to connect the frame structure that forms by biside plate and two guide rails that have V-shaped groove, be enclosed within on the fixed support 15, on it, under ball 16 is housed makes between movable guiding rail 14 and the fixed support 15 and connect for rolling, rocking bar 18 1 ends and fixed support 15 are hinged, the eccentric position of the other end and eccentric shaft 17 is hinged, not eccentric position of eccentric shaft 17 and movable guiding rail 14 biside plates are hinged, and eccentric shaft 17 outside two ends dress input belt pulleys are during eccentric shaft 17 rotations, rocking bar 18 counter-force in the horizontal direction promotes movable guiding rail 14 and horizontally slips on the guide rail of fixed support 15, and the movement locus that this guide rail has limited movable guiding rail 14 is straight line completely.The present embodiment kinematic sketch of mechanism can be converted into crank rocker slide block mechanism shown in Figure 8, and its freedom of motion is 1.
With reference to Fig. 9, Figure 10, when the Oscillation Amplitude of mechanism less, when frequency is low, be the reducing mechanism volume, also can also change the rocking bar among the embodiment 2 18 into the slide block guide barrel construction, be processed with a guide groove 21 in the present embodiment on the fixed support 19, wherein be placed with slide block 20, slide block 20 is hinged with the eccentric position of eccentric shaft 22, and all the other are identical with Fig. 6 among the embodiment 2, after eccentric shaft 22 rotations, slide block 20 slides up and down in guide groove 21, because of it is a sliding friction, easily generates heat and weares and teares, and lubricated trouble, so 21 relative linear speeds of slide block 20 and guide groove should not use when big.The present embodiment kinematic sketch of mechanism can be converted into the crank double-slider mechanism of Figure 10, and its freedom of motion is 1.
Claims (4)
1. the inertial oscillation mechanism of eccentric shaft global approximation straight line or straight line exciting, it comprises the eccentric stiffener of being made up of vibration frame [5], eccentric shaft [2] and coupling member [1] [3], it is characterized in that: coupling member [3] one ends and eccentric shaft [2] are hinged, the other end connects with vibration frame [5], coupling member [1] one end and eccentric shaft [2] central shaft are hinged, and the other end connects with vibration frame [5], and vibration frame [5] partly connects firmly with machine vibration.
2. according to the described vibrating mechanism of claim 1, it is characterized in that: coupling member [3] is a connecting rod, and coupling member [1] is a rocking bar, and their end is all hinged with vibration frame [5].
3. according to the described vibrating mechanism of claim 1, it is characterized in that: coupling member [1] is the movable guiding rail that connects with vibration frame [5] moving sets structure, and coupling member [3] is that rocking bar and its end and vibration frame [5] are hinged.
4. according to the described vibrating mechanism of claim 1, it is characterized in that: coupling member [3] is the slide block that connects with vibration frame [5] moving sets structure, and coupling member [1] is the movable guiding rail that connects with vibration frame [5] moving sets structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95238047 CN2236365Y (en) | 1995-11-16 | 1995-11-16 | Inertial vibrating mechanism with linear stimulation by eccentric axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95238047 CN2236365Y (en) | 1995-11-16 | 1995-11-16 | Inertial vibrating mechanism with linear stimulation by eccentric axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2236365Y true CN2236365Y (en) | 1996-10-02 |
Family
ID=33880588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95238047 Expired - Fee Related CN2236365Y (en) | 1995-11-16 | 1995-11-16 | Inertial vibrating mechanism with linear stimulation by eccentric axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2236365Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179953A (en) * | 2011-03-09 | 2011-09-14 | 东莞华中科技大学制造工程研究院 | Device and method for accurately adjusting bottom dead centre of press |
| CN104472737A (en) * | 2014-11-27 | 2015-04-01 | 浙江工业大学 | Under-actuated multi-rod type intelligent tea leaf continuous-vibration shaping machine |
| CN111570246A (en) * | 2020-05-25 | 2020-08-25 | 南京工程学院 | Intermittent axial torsion combined type mechanical torsional vibration table |
-
1995
- 1995-11-16 CN CN 95238047 patent/CN2236365Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179953A (en) * | 2011-03-09 | 2011-09-14 | 东莞华中科技大学制造工程研究院 | Device and method for accurately adjusting bottom dead centre of press |
| CN102179953B (en) * | 2011-03-09 | 2014-10-29 | 东莞华中科技大学制造工程研究院 | Method for accurately adjusting bottom dead centre of press |
| CN104472737A (en) * | 2014-11-27 | 2015-04-01 | 浙江工业大学 | Under-actuated multi-rod type intelligent tea leaf continuous-vibration shaping machine |
| CN104472737B (en) * | 2014-11-27 | 2018-03-06 | 浙江工业大学 | Drive lacking multi-rod intellectuality tealeaves continuous shaking carding machine |
| CN111570246A (en) * | 2020-05-25 | 2020-08-25 | 南京工程学院 | Intermittent axial torsion combined type mechanical torsional vibration table |
| CN111570246B (en) * | 2020-05-25 | 2021-06-01 | 南京工程学院 | Intermittent axial torsion combined type mechanical torsional vibration table |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 |