CN203822985U - Rotation reciprocating conversion mechanism - Google Patents

Rotation reciprocating conversion mechanism Download PDF

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Publication number
CN203822985U
CN203822985U CN201420218032.4U CN201420218032U CN203822985U CN 203822985 U CN203822985 U CN 203822985U CN 201420218032 U CN201420218032 U CN 201420218032U CN 203822985 U CN203822985 U CN 203822985U
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CN
China
Prior art keywords
cam
connecting rod
converting mechanism
reciprocating rotary
rotation reciprocating
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Withdrawn - After Issue
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CN201420218032.4U
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Chinese (zh)
Inventor
潘健
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潘健
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Priority to CN201420218032.4U priority Critical patent/CN203822985U/en
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Publication of CN203822985U publication Critical patent/CN203822985U/en
Withdrawn - After Issue legal-status Critical Current
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Abstract

The utility model discloses a rotation reciprocating conversion mechanism which is characterized in that two parallel rotation shafts are included, the two rotation shafts are provided with at least one pair of cam units, each pair of cam units comprises cams which are arranged on the two rotation shafts respectively, each pair of cam units is linked with a reciprocating connection rod, and curves of the cams of each pair of cam units meet the condition that in the moving process of the cams, the vertical distance between the outmost end faces of the surfaces of the cams located at the different rotation shafts or the vertical distance between two nearest end faces remains unchanged. Through the cams and the reciprocating connection rods, rotation reciprocating conversion is achieved, and compared with existing crankshaft connection rods, the rotation reciprocating conversion mechanism has the advantages of being high in conversion efficiency, simple in structure, and low in noise.

Description

Rotation reciprocating rotary converting mechanism
Technical field
The invention relates to a kind of mechanical reciprocating action and spinning movement switching mechanism, especially a kind of rotation reciprocating rotary converting mechanism.
Background technique
The switching mechanism of existing machinery reciprocating rotary, is used the swing arm slide-block mechanisms such as crankshaft-link rod, and during reciprocating rotary conversion, swing arm consumes a large amount of merits.
Summary of the invention
The object of the invention will provide a kind of rotation reciprocating rotary converting mechanism exactly, and the invention, by cam and back and forth back and forth conversion of connecting rod realization rotation, is compared with existing crankshaft-link rod, has advantages of that conversion efficiency is high, simple in structure, noise is little.
For achieving the above object, the invention by the following technical solutions:
A rotation reciprocating rotary converting mechanism, comprises two parallel rotating shafts, and two rotating shafts are provided with at least one pair of cam unit, and every pair of cam unit at least comprises the cam laying respectively in two rotating shafts; Every pair of cam unit interlock has reciprocal connecting rod; The curve of the cam of every pair of cam unit meets in camming movement process, and the vertical distance between the outermost end end face of the cam face of different rotating shafts or between two nearest end faces remains unchanged.
Further, described roller end is fixed with two engaging gears that size is identical.
Further, the cam in different rotating shafts of described cam unit is provided with servo axis between inner side, and the servo axis of servo axis drives reciprocal connecting rod.
Further, at least one end of described reciprocal connecting rod is provided with guide sleeve, and the cell body in space is provided for rotating shaft when back and forth connecting rod is provided with reciprocal connecting rod to-and-fro motion, and rotating shaft is through above-mentioned cell body.
Further, a servo axis of the common interlock in described two adjacent cams unit, drives reciprocal connecting rod in the middle of servo axis.
Further, between the outer end of described two cams, be provided with frame structure, the two ends of frame shape structure drive reciprocal connecting rod.
Further, cam adopts 8 word cams; The two ends of rotating shaft are provided with spring bearing; Servo axis and cam corresponding position are arranged with bearing.
Further, connecting rod is provided with fastener, and two end links of fastener are respectively arranged with a spring outward, and spring is covered with spring shield outward; Spring just can play the effect of reset like this, when stopping, is unlikely to occur stuck phenomenon.
Further, back and forth the end of connecting rod arranges guide sleeve and coordinates guide bearing.
Further, servo axis and cam corresponding position are arranged with bearing outside, and bearing outside radius should be greater than cam throw of eccentric.
Working principle and the beneficial effect of the invention show:
The present invention rotates reciprocating rotary converting mechanism, has removed original swing arm, and the direct drivening rod of cam set is done straight reciprocating motion.Can be widely used in petrol engine, diesel engine, compressor, steamer, reciprocating pump etc. with equipment and the various to-and-fro motion equipment of piston acting.
Rotation reciprocating rotary converting mechanism mainly comprises:
Two rotating shafts: effect is stationary cam group and input, outputting power.In two rotating shafts, be provided with gear train: effect is mutual transferring power and cam set location.
Cam unit: effect is that rotatablely moving of main shaft become to eccentric motion.
Reciprocal connecting rod: be by reciprocal power input piston or by piston output power; End can be provided with guide structure.
Servo axis and cam corresponding position are arranged with bearing outside, and bearing outside radius should be greater than the cam degree of eccentricity.The active force of being convenient to cam and bearing outside converts the reciprocating force of servo axis to, improves the smoothness of equipment.
Rotating shaft can realize interlock conversion in the following manner with reciprocal connecting rod: (interlock herein refers to, rotating shaft and back and forth connecting rod active movement each other mechanism, drive follower)
Mode one: be provided with servo axis between two inner sides of cam unit (cam face), the axis of servo axis is parallel with shaft axis, when cam rotates, two cam inner sides form the promotion to servo axis, and vice versa;
Mode two: be provided with frame structure outside two outsides of cam unit (cam face), when cam rotates, two cam outsides form the promotion to frame structure, and vice versa.
In two kinds of above-mentioned modes: can be a reciprocal connecting rod of one group of cam unit interlock, can be also that the interlock of a plurality of cams unit has a reciprocal connecting rod or a cam unit interlock to have a plurality of reciprocal connecting rods; Cam unit can, for two cams that coordinate, can be also that a cam coordinates two cams in other rotating shaft.
The operating principle of rotation reciprocating rotary converting mechanism:
Any main shaft of driven by motor rotates and rotates by another spindle synchronous of gear set drive, diaxon is driving shaft each other, on two main shafts, respectively at least more than one cam forms cam set, the connection terminals reciprocation cycle conversion each other of diaxon overhead cam, rotatablely moving of main shaft become to eccentric motion, servo axis becomes to-and-fro motion by the eccentric motion of cam, link rod frame passes to the to-and-fro motion of servo axis the connecting rod of one or directly the eccentric motion of cam is become to to-and-fro motion, drivening rod displacement, connecting rod drives piston acting.
It is contrary that the straight line motion of piston becomes the course of action that rotatablely moves.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present application or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, the accompanying drawing the following describes is only some embodiments that record in the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing;
Fig. 1 is the utility model embodiment form schematic diagram;
Fig. 2 is that the C of Fig. 1 is to view;
Fig. 3 is another form schematic diagram of the utility model embodiment;
Fig. 4 is that the D of Fig. 3 is to view;
Fig. 5 is multiple cams modular construction schematic diagram;
Fig. 6 is a servo axis schematic diagram of the common driving in multiple cams unit;
Fig. 7 is that follow-up unit is frame shape structural representation;
Fig. 8 is multistage connection diagram;
Fig. 9 is that multiple cams unit drives a plurality of connecting rod schematic diagram by a live axle.
Embodiment
The correlation technique content of not addressing below all can adopt or use for reference prior art.
In order to make those skilled in the art person understand better the technological scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technological scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiments.Embodiment based in the application, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all should belong to the scope of the application's protection.
A kind of rotation reciprocating rotary converting mechanism, comprise two rotating shafts 1, shown in Fig. 1, two rotating shafts in the present embodiment are parallel to each other, and be provided with spring bearing at two ends, two rotating shafts are synchronized with the movement, and the present embodiment is provided with two gears 2 by the end in rotating shaft and realizes, and two gear size shape (specification) are identical and intermeshing; Can certainly a pair of same gear be set at the other end.
Two rotating shafts 1 are provided with at least one pair of cam unit, and Fig. 1,3 is a pair of situation, and the group number of cam unit can need to set by being provided with, Fig. 5 is two pairs of situations, and two groups of cams can be realized mutually oppositely back and forth, can certainly be more, the present embodiment will not enumerate.
The cam face curve of every group of cam unit meets: wherein the cam in a rotating shaft be arranged in the cam on another runner, distance A outside cam, cam inner distance B is when cam rotates along with rotating shaft, A, B are constant, shown in Fig. 1,3.
Every group of cam unit comprise and be positioned at two cams 3 in rotating shaft, and generally, each rotating shaft is provided with and can be respectively provided with a cam, shown in Fig. 1; Three cams can certainly be set, and a cam coordinates with two cams, shown in Fig. 3.
Concrete conversion by following structure:
Mode one: be provided with follow-up unit between the inner side of two cams, the present embodiment adopts the form of servo axis 4, servo axis 4 and two cams are Spielpassung, shown in Fig. 1-3, certainly servo axis can be also the miscellaneous part being equal to, such as being follower block, in the present embodiment, outside servo axis, the position corresponding with cam be arranged with bearing, further to reduce friction.
Certainly, servo axis can be linked by pair of cams unit, and Fig. 1-3 also can adopt the interlock of multipair cam unit, and Fig. 6 is the situation that two pairs of cam unit drive a servo axis.Also can a cam unit interlock there be a plurality of reciprocal connecting rods.
Under this kind of mode, back and forth on connecting rod 5, be provided with cell body 6, rotating shaft 1 is through cell body 6, and cell body 6 has certain width, and while meeting reciprocal connecting rod 5 to-and-fro motion, rotating shaft 1 can not disturbed mutually with reciprocal connecting rod 5.
Mode two:
Between the outside of two cams, be provided with follow-up unit, the present embodiment adopts the form of frame structure 7, and framework and two cams are Spielpassung, shown in Fig. 7.
Certainly, frame structure can be linked by pair of cams unit, shown in Fig. 7, also can adopt the interlock of multipair cam unit, and the present embodiment does not draw, but can draw in conjunction with Fig. 6, Fig. 7.
In like manner, for preventing disturbing, be provided with cell body in frame structure, rotating shaft is through cell body, and cell body has certain width, and while meeting reciprocal connecting rod to-and-fro motion, rotating shaft and frame structure can not disturbed mutually.
Meanwhile, in order further to reduce friction, can bearing be set in servo axis outer ring; Further spacing for reciprocal connecting rod is carried out, also can be provided with two bearings in the outside of reciprocal connecting rod, to assist the trend of reciprocal connecting rod, shown in Fig. 4.Fig. 9 is that multiple cams unit drives a plurality of connecting rod schematic diagram by a live axle, and both sides are provided with limit stoper 8.
As the improvement of the invention, also there is the situation of Fig. 8 in the present embodiment, like this, and series multistage as required.
In above two kinds of modes, can guide sleeve be set in the end of reciprocal connecting rod, middle part arranges guide bearing, to meet the needs of guiding, can certainly as required, the guide mechanism that other are equal to be set.

Claims (10)

1. a rotation reciprocating rotary converting mechanism, is characterized in that: comprise two parallel rotating shafts, two rotating shafts are provided with at least one pair of cam unit, and every pair of cam unit at least comprises the cam laying respectively in two rotating shafts; Every pair of cam unit interlock has reciprocal connecting rod; The curve of the cam of every pair of cam unit meets in camming movement process, and the vertical distance between the outermost end end face of the cam face of different rotating shafts or between two nearest end faces remains unchanged.
2. rotation reciprocating rotary converting mechanism according to claim 1, is characterized in that: described roller end is fixed with two engaging gears that size is identical.
3. rotation reciprocating rotary converting mechanism according to claim 1, is characterized in that: between the inner side of the cam in different rotating shafts of described cam unit, be provided with servo axis, the servo axis of servo axis drives reciprocal connecting rod.
4. according to the rotation reciprocating rotary converting mechanism described in claim 1 or 3, it is characterized in that: at least one end of described reciprocal connecting rod is provided with guide sleeve, the cell body in space is provided for rotating shaft when back and forth connecting rod is provided with reciprocal connecting rod to-and-fro motion, and rotating shaft is through above-mentioned cell body.
5. rotation reciprocating rotary converting mechanism according to claim 3, is characterized in that: a servo axis of the common interlock in described two adjacent cams unit, drives reciprocal connecting rod in the middle of servo axis.
6. rotation reciprocating rotary converting mechanism according to claim 1, is characterized in that: between the outer end of described two cams, be provided with frame structure, the two ends of frame shape structure drive reciprocal connecting rod.
7. rotation reciprocating rotary converting mechanism according to claim 1, is characterized in that: cam adopts 8 word cams; The two ends of rotating shaft are provided with spring bearing; Servo axis and cam corresponding position are arranged with bearing.
8. rotation reciprocating rotary converting mechanism according to claim 1, is characterized in that: connecting rod is provided with fastener, and two end links of fastener are respectively arranged with a spring outward, and spring is covered with spring shield outward.
9. rotation reciprocating rotary converting mechanism according to claim 1, is characterized in that: back and forth the end of connecting rod arranges guide sleeve and coordinates guide bearing.
10. rotation reciprocating rotary converting mechanism according to claim 1, is characterized in that: servo axis and cam corresponding position are arranged with bearing outside, and bearing outside radius should be greater than cam throw of eccentric.
CN201420218032.4U 2014-04-30 2014-04-30 Rotation reciprocating conversion mechanism Withdrawn - After Issue CN203822985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420218032.4U CN203822985U (en) 2014-04-30 2014-04-30 Rotation reciprocating conversion mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420218032.4U CN203822985U (en) 2014-04-30 2014-04-30 Rotation reciprocating conversion mechanism

Publications (1)

Publication Number Publication Date
CN203822985U true CN203822985U (en) 2014-09-10

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006131A (en) * 2014-04-30 2014-08-27 潘健 Rotary reciprocating switching mechanism
CN104653739A (en) * 2015-03-09 2015-05-27 刘兴亚 Speed changer
CN106088551A (en) * 2016-08-13 2016-11-09 赵宽学 Rotary plastering machine
CN106121198A (en) * 2016-08-13 2016-11-16 赵宽学 Pumping mortar plastering machine
CN106194633A (en) * 2016-08-13 2016-12-07 赵宽学 Fluid delivery pump
CN106284944A (en) * 2016-08-13 2017-01-04 赵宽学 Pulp spraying coating device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104006131A (en) * 2014-04-30 2014-08-27 潘健 Rotary reciprocating switching mechanism
CN104006131B (en) * 2014-04-30 2018-12-11 潘健 Rotate reciprocal switching mechanism
CN104653739A (en) * 2015-03-09 2015-05-27 刘兴亚 Speed changer
CN106088551A (en) * 2016-08-13 2016-11-09 赵宽学 Rotary plastering machine
CN106121198A (en) * 2016-08-13 2016-11-16 赵宽学 Pumping mortar plastering machine
CN106194633A (en) * 2016-08-13 2016-12-07 赵宽学 Fluid delivery pump
CN106284944A (en) * 2016-08-13 2017-01-04 赵宽学 Pulp spraying coating device

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20140910

Effective date of abandoning: 20181211

AV01 Patent right actively abandoned