CN208919112U - A kind of eccentric drive mechanism of automatic aligning - Google Patents

A kind of eccentric drive mechanism of automatic aligning Download PDF

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Publication number
CN208919112U
CN208919112U CN201821406518.5U CN201821406518U CN208919112U CN 208919112 U CN208919112 U CN 208919112U CN 201821406518 U CN201821406518 U CN 201821406518U CN 208919112 U CN208919112 U CN 208919112U
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China
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transmission
shaft
groove body
driven shaft
drive mechanism
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CN201821406518.5U
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Chinese (zh)
Inventor
邓权
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Suzhou Pml Precision Mechanism Ltd
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Suzhou Pml Precision Mechanism Ltd
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Abstract

The utility model discloses a kind of eccentric drive mechanisms of automatic aligning, the output transmission component of eccentric gearing component, outputting torsion including the main transmission component, transmitting torsion that connect with power mechanism.The eccentric gearing component includes the transmission housing connecting with main transmission component, is internally provided with the channel of connection.One end of the channel be equipped with transmission groove body, the other end be equipped with driven shaft, inside be placed with transmission shaft.Reset spring is set on the transmission shaft.Main transmission component transfers power on eccentric gearing component when work, and transmission shaft relies on the gap between transmission groove body, carries out eccentric gearing, and the reset spring being now placed on transmission shaft moves together;After work, due to the return action of reset spring, transmission shaft is restored on initial position, completes aligning movement.The utility model realizes the self-aligning function of eccentric drive mechanism, reduces the abrasion of machine when running at high speed.

Description

A kind of eccentric drive mechanism of automatic aligning
Technical field
The utility model relates to eccentric drive mechanism more particularly to a kind of eccentric drive mechanisms of automatic aligning.
Background technique
Transmission mechanism is that power is transmitted to another part from a part of machine, and machine or machine part is made to move or transport Turn.Eccentric drive mechanism refers to the swing for making machine realize certain amplitude in the running using eccentric shaft, changes its motion morphology. Eccentric shaft refers to the outer circle workpiece without coincidence parallel with the axis of outer circle, is generally fixed on electric machine rotational axis by eccentric orfice On, in electric motor starting, do cam movement.In actual operation, eccentric shaft is after multiple operating since cumulative errors will appear The phenomenon that deviateing set axle center deviates original motion profile when so that operating again, will cause and be attached thereto when running at high speed Machine parts it is damaged, influence the service life of machine.
Utility model content
To overcome disadvantages mentioned above, the purpose of this utility model is to provide a kind of eccentric drive mechanism of automatic aligning, energy The movement to automatically reset for enough realizing eccentric drive mechanism avoids eccentric drive mechanism from retrodeviating in multiple operating from set axle center Phenomenon.
In order to reach the goals above, the technical solution adopted in the utility model is: including the main biography connecting with power mechanism Move the output transmission component of component, the eccentric gearing component for transmitting torsion, outputting torsion.The eccentric gearing component includes and master The transmission housing of transmission component connection, the interior channel for being equipped with left and right connection of the transmission housing, the one end of the channel, which is equipped with, to be driven Groove body, the other end be equipped with driven shaft, inside be placed with transmission shaft.Described transmission shaft one end is in driving groove body, the other end In driven shaft;It is set with reset spring.One end of the reset spring is fixed on transmission shaft, the other end and driven shaft Connection.The thrust bearing of connection transmission groove body is set on the driven shaft.
Furthermore, it is understood that the transmission shaft is integrally formed by circular shaft, big hexagonal axis, small hexagonal axis;Described circular shaft one end with Big hexagonal axis connection, the other end and small hexagonal axis connection, are cased with close to one end of big hexagonal axis and adjust big hexagonal shaft position Reset spring can force big hexagonal axis to be restored on initial position due to the recovery of spring, realize automatic aligning movement.
Furthermore, it is understood that the big hexagonal axis is embedded in the driving groove body of interior hexagonal structure, side is rounded structure, And there are gaps between the inner wall of transmission groove body, so that it generates angle of oscillation in rotation, carry out eccentric motion.
Furthermore, it is understood that the thrust bearing include with transmission groove body be fixedly connected blowout patche, with blowout patche cooperation washer, Connect the bearing bracket stand of driven shaft.Described blowout patche one end is fixed with transmission groove body, and the other end is fixed with washer, the bearing bracket stand suit On driven shaft, driven shaft and blowout patche, washer sets are combined together, prevent driven shaft from falling off in rotation.
The utility model has the beneficial effects that: forcing transmission shaft automatic by the reset spring being sleeved on transmission shaft It resets, completes the automatic aligning movement of eccentric drive mechanism, avoid eccentric drive mechanism and made because deviateing set axle center operating At machine it is impaired.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model embodiment;
Fig. 2 is the sectional view of the top view of the utility model embodiment;
Fig. 3 is the schematic perspective view of the main shaft of the utility model embodiment;
Fig. 4 is the schematic perspective view of the transmission shaft of the utility model embodiment;
Fig. 5 is the schematic perspective view of the transmission groove body of the utility model embodiment;
Fig. 6 is the schematic perspective view of the driven shaft of the utility model embodiment.
In figure:
11- main shaft;12- flat key;13- driven shaft sleeve;14- oil-free bushing;15- sheath;The first shaft part of 111-;112- Second shaft part;113- keyway A;16- spring;21- transmission shaft;22- is driven groove body;23- reset spring;24- driven shaft;211- circle Axis;The big hexagonal axis of 212-;The small hexagonal axis of 213-;The first conduit of 221-;241- circular groove;251- blowout patche;252- washer;253- Bearing bracket stand;26- end cap;27- sealing ring baffle;31- splined shaft;311- spline.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear Define.
Embodiment
Referring to shown in attached drawing 1-6, the eccentric drive mechanism of one of the present embodiment automatic aligning includes and power mechanism The main transmission component of (motor) connection, the output transmission component for transmitting the eccentric gearing component of torsion, outputting torsion.The bias Transmission component one end is connect with main transmission component, and the other end is connect with output transmission component, thus by the power of main transmission component Torsion is converted to be transmitted on output transmission component.
The main transmission component includes the main shaft 11 connecting with power mechanism, the flat key in main shaft 11 12, be sleeved on driven shaft sleeve 13 on main shaft 11, the oil-free bushing 14 of sealing main shaft 11 and 13 gap of driven shaft sleeve, The sheath 15 of fixed flat key.
Described 11 one end of main shaft is equipped with the first shaft part 111 of connection power mechanism, and the other end is equipped with transmitting power Second shaft part 112.Second shaft part, 112 side is equipped with the keyway A113 for placing flat key, when flat key 12 is embedded into keyway A113 When, main shaft 11 can drive flat key 12 to rotate together;In driven shaft sleeve 13, middle part is equipped with round recessed for its right side Slot, for being embedded in the spring 16 connecting with driven shaft sleeve 13.
Described 12 one end of flat key relies on two sides and the side keyway A113 in the keyway A113 of the second shaft part 112 Between extruding transmit the torque of the second shaft part 112, the other end is in driven shaft sleeve 13.
The oil-free bushing 14 is closely sleeved on the second shaft part 112, and side is equipped with the keyway being connected to keyway A113 B, so that the other end of flat key 12 passes through keyway B, so that oil-free bushing 14 be driven to rotate.
One end of the driven shaft sleeve 13 is closely sleeved in oil-free bushing 14, and the other end is connect with eccentric gearing component. Its side is equipped with the keyway C that be connected to keyway B, so that the other end of flat key 12 is embedded into keyway C across keyway B, i.e. flat key Across keyway B, both ends are respectively embedded between keyway A113 and keyway C, and with the rotation of main shaft 11, flat key 12 drives nothing Oily bushing 14, driven shaft sleeve 13 rotate synchronously therewith;It is internally provided with the conduit for placing spring 16, described 16 one end of spring is embedded in In main shaft 11, the other end is embedded in driven shaft sleeve 13, so that main transmission component and eccentric gearing inter-module are flexibly connected.
The sheath 15 is sleeved in driven shaft sleeve 13, and is covered and shared keyway C, so that flat key 12 is fixed in sheath 15, Prevent flat key 12 from falling off during rotation.
The eccentric gearing component includes the transmission housing connecting with main transmission component, is equipped with connection in the transmission housing Channel, the one end of the channel be equipped with transmission groove body 22, the other end be equipped with driven shaft 24, inside be placed with transmission shaft 21.Institute 21 one end of transmission shaft is stated in transmission groove body 22, the other end is in driven shaft 24;It is set with reset spring 23.It is described multiple One end of position spring 23 is fixed on transmission shaft 21, and the other end is connect with driven shaft 24.Connection is set on the driven shaft 21 It is driven the thrust bearing of groove body 22.
Described 22 one end of transmission groove body is fixedly connected with driven shaft sleeve 13, so that the power of main transmission component is transmitted to transmission On groove body 22, the other end is fixedly connected with thrust bearing;It is internally provided with the first of the interior hexagonal structure of embeddable transmission shaft 21 Conduit 221, so that transmission shaft 21 moves together with transmission groove body 22.
The transmission shaft 21 is integrally formed by circular shaft 211, big hexagonal axis 212, small hexagonal axis 213.Described 211 one end of circular shaft It is connect with big hexagonal axis 212, the other end is connect with small hexagonal axis 213, and torque is transmitted to from big hexagonal axis 212 by circular shaft 211 On small hexagonal axis 213;It is cased with the reset spring 23 for adjusting big 212 position of hexagonal axis close to one end of big hexagonal axis 212.It is described 23 one end of reset spring is fixed on circular shaft 211, and the other end is connect with driven shaft 24.The big hexagonal axis 212 is embedded in transmission In first conduit 221 of groove body 22, side rounded structure, when it is in the first conduit 221, fillet and the first conduit There are gaps between 221 inner wall, so that it generates angle of oscillation in rotation, carry out eccentric gearing, and reset spring 23 is therewith at this time Eccentric motion together;When rotating stopping, due to the recovery of reset spring 23, big hexagonal axis 212 resets to initial bit therewith It sets.The small hexagonal axis 213 enables driven shaft 24 to move together therewith in driven shaft 24.
The thrust bearing include with transmission groove body 22 be fixedly connected blowout patche 251, with blowout patche 251 cooperate washer 252, Connect the bearing bracket stand 253 of driven shaft 24.Described 251 one end of blowout patche and transmission groove body 22 are fixed, and the other end and washer 252 are fixed, The bearing bracket stand 253 is sleeved on driven shaft 24, and driven shaft 24 and blowout patche 251, washer 252 are grouped together, prevented driven Axis 24 falls off in rotation.
Described 24 one end of driven shaft is equipped with circular groove 241, and for being set with circular shaft 211, the tail portion of circular groove 241 is set There is small hexagonal second conduit, for being embedded in small hexagonal axis 213, driven shaft 24 is turned together with small hexagonal axis 213 It is dynamic;Its other end is connect with output transmission component.
In order to increase the connectivity robustness of eccentric gearing inter-module, the present embodiment is mounted in thrust bearing and transmission between centers End cap 26, one end have installed sealing ring baffle 27 additional, and blending bolt will be driven groove body 22, thrust bearing, driven shaft 24, end cap 26, sealing ring baffle 27 is fixedly connected.
The output transmission component includes docking splined shaft 31, and left end is equipped with the groove being set with driven shaft 24, and leads to It crosses bolt and driven shaft 24 is fixed;The other end is equipped with the spline 311 connecting with output mechanism, and torsion is made to be transmitted to output mechanism On.
Its specific work process is as follows:
Power mechanism (motor) is connect with main transmission component, when work, main shaft 11 transfers power to driven shaft On set 13, by the connection of driven shaft sleeve 13 and transmission groove body 22, power is transmitted on transmission groove body 22;Due to big hexagonal axis There are gap between 212 and transmission groove body 22, transmission shaft 21 carries out eccentric gearing, the reset spring 23 being now placed on circular shaft 211 Do eccentric motion together therewith, thrust bearing drives driven shaft 24 to move at this time, and torsion is transmitted on driven shaft 24, in turn It is transmitted on output transmission component;After work, main transmission component stops operating, eccentric gearing component, output transmission group Part successively stops being driven, at this point, big hexagonal axis 212 is gradually restored on initial position due to the return action of reset spring 23, Complete the movement of its automatic aligning.
Embodiment of above is only to illustrate the technical ideas and features of the present invention, and its object is to allow be familiar with this skill The people of art understands the content of the utility model and is implemented, and does not limit the protection scope of the present invention, and all According to the equivalent change or modification that the spirit of the present invention is substantially done, should all cover within the protection scope of the present utility model.

Claims (7)

1. a kind of eccentric drive mechanism of automatic aligning, including connect with power mechanism main transmission component, transmitting torsion it is inclined The output transmission component of heart transmission component, outputting torsion, it is characterised in that: the eccentric gearing component includes and main transmission component The transmission housing of connection, is equipped with the channel of left and right connection in the transmission housing, the one end of the channel be equipped with transmission groove body (22), The other end be equipped with driven shaft (24), inside be placed with transmission shaft (21);Described transmission shaft (21) one end is embedded in transmission groove body (22) in, the other end is set with reset spring (23) in driven shaft (24);One end of the reset spring (23) is fixed On transmission shaft (21), the other end is connect with driven shaft (24);Connection transmission groove body (22) is set on the driven shaft (24) Thrust bearing.
2. a kind of eccentric drive mechanism of automatic aligning according to claim 1, it is characterised in that: the transmission shaft (21) It is integrally formed by circular shaft (211), big hexagonal axis (212), small hexagonal axis (213);Described circular shaft (211) one end and big hexagonal axis (212) it connects, the other end is connect with small hexagonal axis (213).
3. a kind of eccentric drive mechanism of automatic aligning according to claim 2, it is characterised in that: the big hexagonal axis (212) it is embedded in the transmission groove body (22) of interior hexagonal structure, side is rounded structure, and the inner wall with transmission groove body (22) Between there are gaps.
4. a kind of eccentric drive mechanism of automatic aligning according to claim 3, it is characterised in that: the transmission groove body (22) one end is equipped with the first conduit (221) of embeddable big hexagonal axis (212).
5. a kind of eccentric drive mechanism of automatic aligning according to claim 4, it is characterised in that: the thrust axis is contracted Include with transmission groove body (22) be fixedly connected blowout patche (251), with blowout patche (251) cooperate washer (252), connect driven shaft (24) Bearing bracket stand (253);Described blowout patche (251) one end and transmission groove body (22) are fixed, and the other end and washer (252) are fixed, described Bearing bracket stand (253) is sleeved on driven shaft (24).
6. a kind of eccentric drive mechanism of automatic aligning according to claim 5, it is characterised in that: the driven shaft (24) One end is equipped with the circular groove (241) of suit circular shaft (211), and the tail portion of circular groove (241), which is equipped with, is embedded in small hexagonal axis (213) the second conduit.
7. a kind of eccentric drive mechanism of automatic aligning according to claim 6, it is characterised in that: the main transmission component Including the main shaft (11) connecting with power mechanism, the flat key (12) being embedded in main shaft (11), it is sleeved on main shaft (11) oil-free bushing (14) of driven shaft sleeve (13), sealing main shaft (11) and driven shaft sleeve (13) gap on is fixed and is put down The sheath (15) of key (12).
CN201821406518.5U 2018-08-29 2018-08-29 A kind of eccentric drive mechanism of automatic aligning Active CN208919112U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821406518.5U CN208919112U (en) 2018-08-29 2018-08-29 A kind of eccentric drive mechanism of automatic aligning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821406518.5U CN208919112U (en) 2018-08-29 2018-08-29 A kind of eccentric drive mechanism of automatic aligning

Publications (1)

Publication Number Publication Date
CN208919112U true CN208919112U (en) 2019-05-31

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Application Number Title Priority Date Filing Date
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Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114382868A (en) * 2022-01-13 2022-04-22 无锡阳光精机股份有限公司 A headstock for photovoltaic slicer machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114382868A (en) * 2022-01-13 2022-04-22 无锡阳光精机股份有限公司 A headstock for photovoltaic slicer machine

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