CN104409009B - A kind of translating follower planar cam mechanism demonstrator and using method thereof - Google Patents
A kind of translating follower planar cam mechanism demonstrator and using method thereof Download PDFInfo
- Publication number
- CN104409009B CN104409009B CN201410776934.4A CN201410776934A CN104409009B CN 104409009 B CN104409009 B CN 104409009B CN 201410776934 A CN201410776934 A CN 201410776934A CN 104409009 B CN104409009 B CN 104409009B
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- drawing board
- flap
- paintbrush
- translating follower
- translating
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
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Abstract
The present invention relates to a kind of translating follower planar cam mechanism demonstrator and using method thereof, it can utilize plane cam to demonstrate tip simultaneously, roller, driven member Displacement Analysis and the pitch curve of flat translating follower planar cam mechanism are comprehensive, and different follower motion can be demonstrated, the pitch curve of different cam mechanism basic parameters comprehensive, driven member Displacement Analysis and the pitch curve that can demonstrate translating follower planar cam mechanism in the case of only using plane cam are comprehensive, thus avoid using translating cam, and the cam profile of different base radius can be comprehensively gone out with identical displacement curve, thus explained different cam and can draw the knowledge of same displacement curve.
Description
Technical field
The present invention relates to instruments used for education field, be a kind of translating follower planar cam mechanism demonstrator and using method thereof.
Background technology
At present, in rote teaching field, the driven member Displacement Analysis of planar cam mechanism and cam profile are comprehensively critically important contents, and the comprehensive of cam profile is also the difficult point in teaching and study simultaneously.Wherein driven member Displacement Analysis is to obtain the displacement curve of driven member according to existing planar cam mechanism, and cam profile is comprehensively that known driven member displacement curve, cam mechanism basic parameter obtain cam profile.Therefore the use of teaching aid can facilitate student to understand principle therein, deepens it and understands and understand;But in existing planar cam mechanism teaching aid, want the motion analysis that can simultaneously demonstrate planar cam mechanism comprehensively to generally require with pitch curve and use disc cam and translating cam simultaneously, and the usual volume of translating cam is big, and to demonstrate the various characteristics of motion Outline of Cam comprehensively to manufacture different substantial amounts of translating cams, these will increase the difficulty of cost and use that teaching aid manufactures.
Summary of the invention
It is an object of the invention to for above weak point, a kind of translating follower planar cam mechanism demonstrator and using method thereof are provided, it is comprehensive that it can utilize plane cam to demonstrate tip, roller, the driven member Displacement Analysis of flat translating follower planar cam mechanism and pitch curve simultaneously, and can demonstrate pitch curve comprehensive of different follower motion, different cam mechanism basic parameter.
nullIt is a kind of translating follower planar cam mechanism demonstrator that the present invention solves the scheme that technical problem used,Including the frame being made up of forebay and afer bay,Being provided with in described frame can the rotating shaft of gantry rotation relatively,Open in the middle part of described forebay and afer bay and be equipped with circular groove,Described rotating shaft is positioned on rear side of afer bay and is provided with central gear and handle on that section of axle,It is positioned on front side of afer bay that be provided with on that section of axle can the round flap of axis of rotation relatively,Described round flap is embedded in forebay circle groove,It is provided with on front side of described round flap and is arranged in rotating shaft and dismountable plane cam,It is provided with on front side of described plane cam and is arranged in rotating shaft and dismountable circular drawing board,Two opposing parallel bracers it are provided with on described round flap leading flank,It is provided with crossbeam between described bracer,It is provided with guide rail on described crossbeam,It is provided with, on described round flap trailing flank, the planetary gear coordinated with central gear,Described planetary gear is provided above tooth bar with matching,It is provided with gathering sill on described round flap,It is provided with rectangle drawing board on front side of described round flap,Described tooth bar is connected by connector with rectangle drawing board,Described connection physical ability moves in the gathering sill on circle flap,It is provided with to compress the detachable stock of handle on described round flap trailing flank,Some briquettings screwing to push down round flap it are evenly equipped with on described forebay leading flank,Described crossbeam is provided above contiguous block,Described contiguous block is positioned on front side of rectangle drawing board,The translating follower matched with crossbeam upper rail and paintbrush axle it is provided with on described contiguous block,Described translating follower contacts with plane cam,The paintbrush B matched with circular drawing board it is provided with on described paintbrush axle,The paintbrush A matched with rectangle drawing board it is provided with on described contiguous block.
Further, the groove that described crossbeam is offered, described bracer offers some through holes matched with groove, described crossbeam can move up and down and can be connected with a bracer fixing by bolt by relative support block.
Further, described paintbrush axle uses with contiguous block threadeds, and paintbrush axle screws in the adjustable length of contiguous block.
Further, described translating follower is most advanced and sophisticated translating follower, flat translating follower or roller translating follower.
Further, described forebay circle groove diameter is more than circle flap outside diameter, and afer bay circle groove diameter is less than circle flap outside diameter.
Further, described briquetting is provided with the rolling bearing being embedded between round flap and forebay circle groove.
The using method of a kind of translating follower planar cam mechanism demonstrator, comprises the following steps:
(1) screwing briquetting makes circle flap can not rotate relative to frame, unloads stock and makes rotating shaft can rotate around circle flap;
(2) paintbrush axle, circular drawing board are unloaded, swing handle drives plane cam to rotate by rotating shaft thus drives translating follower to move back and forth up and down at guide rail, central gear rotates simultaneously, drive the planetary gear being engaged with, then band carry-over bar transverse shifting, tooth bar and rectangle drawing board are connected by connector, rectangle drawing board transverse shifting, rectangle drawing board and translating follower relative movement, the paintbrush A on contiguous block draws the driven member displacement curve obtaining planar cam mechanism on rectangle drawing board;
(3) rotate backward handle, make rectangle drawing board and translating follower return to initial position, the original position of the displacement curve that paintbrush A alignment has been drawn out;
(4) unscrew briquetting and make circle flap energy gantry rotation relatively, load onto stock, compress handle, make rotating shaft can not rotate relative to frame;
(5) paintbrush axle, circular drawing board are loaded onto;
(6) slewing circle flap, now plane cam maintains static, planetary gear on circle flap rotates around central gear, thus the gathering sill of band carry-over bar and rectangle drawing board edge circle flap moves, translating follower is around plane cam relative motion, the motion of rectangle drawing board and translating follower drives paintbrush A to move along the most drawn displacement curve, and paintbrush axle is connected by contiguous block with translating follower, and paintbrush B draws out cam profile on circular drawing board 2.
Compared with prior art, the present invention has following beneficial effect: driven member Displacement Analysis and the pitch curve that can demonstrate translating follower planar cam mechanism in the case of only using plane cam are comprehensive, thus avoid using translating cam, and can comprehensively go out the cam profile of different base radius with identical displacement curve, thus explain different cam and can draw the knowledge of same displacement curve.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings patent of the present invention is further illustrated.
Fig. 1 is the front view of the present invention;
Fig. 2 is the rearview of the present invention;
Fig. 3 is the sectional view of the present invention;
In figure: 1-rotating shaft, 2-circle drawing board, 3-plane cam, 4-central gear, 5-handle, 6-circle flap, 7-planetary gear, 8-tooth bar, 9-rectangle drawing board, 10-translating follower, 11-contiguous block, 12-guide rail, 13-paintbrush axle, 14-frame, 141-forebay, 142-afer bay, 15-stock, 16-crossbeam, 17-prop up bracer, 18-briquetting, 19-rolling bearing, 20-paintbrush A, 21-paintbrush B, 22-connector.
Detailed description of the invention
The present invention is further described with detailed description of the invention below in conjunction with the accompanying drawings.
nullAs shown in Figures 1 to 3,A kind of translating follower planar cam mechanism demonstrator,Including the frame 14 being made up of forebay 141 and rear machine 142 frame,The rotating shaft 1 that can rotate it is provided with relative to frame 14 in described frame 14,Open in the middle part of described forebay 141 and afer bay 142 and be equipped with circular groove,Described rotating shaft 1 is positioned on rear side of afer bay 142 and is provided with central gear 4 and handle 5 on that section of axle,Be positioned on front side of afer bay 142 be provided with on that section of axle can phase countershaft 1 rotate round flap 6,Described round flap 6 is embedded in the circular groove of forebay 141,It is provided with on front side of described round flap 6 and is arranged in rotating shaft 1 and dismountable plane cam 3,It is provided with on front side of described plane cam 3 and is arranged in rotating shaft 1 and dismountable circular drawing board 2,Two opposing parallel bracers 17 it are provided with on described round flap 6 leading flank,It is provided with crossbeam 16 between described bracer 17,It is provided with guide rail 12 on described crossbeam 16,It is provided with, on described round flap 6 trailing flank, the planetary gear 7 coordinated with central gear 4,Described planetary gear 7 is provided above tooth bar 8 with matching,It is provided with gathering sill on described round flap 6,It is provided with rectangle drawing board 9 on front side of described round flap 6,Described tooth bar 8 is connected by connector 22 with rectangle drawing board 9,Described connector 22 can move in the gathering sill on circle flap 6,It is provided with to compress the detachable stock 15 of handle 5 on described round flap 6 trailing flank,Some briquettings 18 screwing to push down round flap 6 it are evenly equipped with on described forebay 141 leading flank,Described crossbeam 16 is provided above contiguous block 11,Described contiguous block 11 is positioned on front side of rectangle drawing board 9,The translating follower 10 matched with crossbeam 16 upper rail 12 and paintbrush axle 13 it is provided with on described contiguous block 11,Described translating follower 10 contacts with plane cam 3,The paintbrush B21 matched with circular drawing board 2 it is provided with on described paintbrush axle 13,The paintbrush A22 matched with rectangle drawing board it is provided with on described contiguous block.
In the present embodiment, the groove offered on described crossbeam 16, some through holes matched with groove are offered on described bracer 17, described crossbeam 16 can move up and down and can be connected with a bracer 17 fixing by bolt by relative support block 17, the relative position of crossbeam 16 and a bracer 17 is adjusted by adjusting the position of groove, then adjust eccentric throw, comprehensively go out different pitch curves by adjusting eccentric throw.
In the present embodiment, can have the plane cam 3 of different follower motion curve by replacing and comprehensively go out different pitch curves.
In the present embodiment, described paintbrush axle 13 uses with contiguous block 11 threadeds, and paintbrush axle 13 screws in the adjustable length of contiguous block 11, thus adjusts the size of drawn radius of cam base-circle, comprehensively goes out different cam profiles, thus explains correlated knowledge point.
In the present embodiment, described translating follower 10 is most advanced and sophisticated translating follower, flat translating follower or roller translating follower, by changing the characteristics of motion curve that translating follower 10 demonstrates the translating follower plane cam of tip, roller, flat three types, thus comprehensively go out different pitch curves.
In the present embodiment, the circular groove diameter of described forebay 141 is more than circle flap 6 outside diameter, and the circular groove diameter of afer bay 142 is less than circle flap 6 outside diameter.
In the present embodiment, described briquetting 18 is provided with the rolling bearing 19 being embedded between round flap 6 and the circular groove of forebay 141.
In the present embodiment, driven member Displacement Analysis and the pitch curve that can demonstrate translating follower planar cam mechanism in the case of only using plane cam 3 are comprehensive, thus avoid using translating cam, and can comprehensively go out the cam profile of different base radius with identical displacement curve, thus explain different cam and can draw the knowledge of same displacement curve.
The using method of a kind of translating follower planar cam mechanism demonstrator, comprises the following steps:
(1) screwing briquetting 18 makes circle flap 6 can not rotate relative to frame 14, unloads stock 15 and makes rotating shaft 1 can rotate around circle flap 6;
(2) paintbrush axle 13, circular drawing board 2 are unloaded, swing handle 5 allows rotating shaft 1 drive plane cam 3 to rotate thus drives translating follower 10 to move back and forth up and down at guide rail 12, central gear 4 rotates simultaneously, drive the planetary gear 7 being engaged with, then band carry-over bar 8 transverse shifting, tooth bar 8 and rectangle drawing board 9 are connected by connector 22, rectangle drawing board 9 transverse shifting, rectangle drawing board 9 and translating follower 10 relative movement, the paintbrush A20 on contiguous block 11 draws the driven member displacement curve obtaining planar cam mechanism on rectangle drawing board 9;
(3) rotate backward handle 5, make rectangle drawing board 9 and translating follower 10 return to initial position, the original position of the displacement curve that paintbrush A20 alignment has been drawn out;
(4) unscrewing briquetting 18 makes circle flap 6 can rotate relative to frame 14, loads onto stock 15, compresses handle 5, make rotating shaft 1 can not rotate relative to frame 14;
(5) paintbrush axle 13, circular drawing board 2 are loaded onto;
(6) slewing circle flap 6, now plane cam 3 maintains static, planetary gear 7 on circle flap 6 rotates around central gear 4, thus band carry-over bar 8 and rectangle drawing board 9 move along the gathering sill justifying flap 6, translating follower 10 is around plane cam 3 relative motion, the motion of rectangle drawing board 9 and translating follower 10 drives paintbrush A20 to move along the most drawn displacement curve, and paintbrush axle 13 is connected by contiguous block 11 with translating follower 10, and paintbrush B21 draws out cam profile on circular drawing board 2.
Above-listed preferred embodiment; the object, technical solutions and advantages of the present invention are further described; it is it should be understood that; the foregoing is only presently preferred embodiments of the present invention; not in order to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (7)
- null1. a translating follower planar cam mechanism demonstrator,It is characterized in that: include the frame being made up of forebay and afer bay,Being provided with in described frame can the rotating shaft of gantry rotation relatively,Open in the middle part of described forebay and afer bay and be equipped with circular groove,Described rotating shaft is positioned on rear side of afer bay and is provided with central gear and handle on that section of axle,It is positioned on front side of afer bay that be provided with on that section of axle can the round flap of axis of rotation relatively,Described round flap is embedded in forebay circle groove,It is provided with on front side of described round flap and is arranged in rotating shaft and dismountable plane cam,It is provided with on front side of described plane cam and is arranged in rotating shaft and dismountable circular drawing board,Two opposing parallel bracers it are provided with on described round flap leading flank,It is provided with crossbeam between described bracer,It is provided with guide rail on described crossbeam,It is provided with, on described round flap trailing flank, the planetary gear coordinated with central gear,Described planetary gear is provided above tooth bar with matching,It is provided with gathering sill on described round flap,It is provided with rectangle drawing board on front side of described round flap,Described tooth bar is connected by connector with rectangle drawing board,Described connection physical ability moves in the gathering sill on circle flap,It is provided with to compress the detachable stock of handle on described round flap trailing flank,Some briquettings screwing to push down round flap it are evenly equipped with on described forebay leading flank,Described crossbeam is provided above contiguous block,Described contiguous block is positioned on front side of rectangle drawing board,The translating follower matched with crossbeam upper rail and paintbrush axle it is provided with on described contiguous block,Described translating follower contacts with plane cam,The paintbrush B matched with circular drawing board it is provided with on described paintbrush axle,The paintbrush A matched with rectangle drawing board it is provided with on described contiguous block.
- Translating follower planar cam mechanism demonstrator the most according to claim 1, it is characterized in that: the groove offered on described crossbeam, offering some through holes matched with groove on described bracer, described crossbeam can move up and down and can be connected with a bracer fixing by bolt by relative support block.
- Translating follower planar cam mechanism demonstrator the most according to claim 1, it is characterised in that: described paintbrush axle uses with contiguous block threadeds, and paintbrush axle screws in the adjustable length of contiguous block.
- Translating follower planar cam mechanism demonstrator the most according to claim 1, it is characterised in that: described translating follower is most advanced and sophisticated translating follower, flat translating follower or roller translating follower.
- Translating follower planar cam mechanism demonstrator the most according to claim 1, it is characterised in that: described forebay circle groove diameter is more than circle flap outside diameter, and afer bay circle groove diameter is less than circle flap outside diameter.
- Translating follower planar cam mechanism demonstrator the most according to claim 1, it is characterised in that: it is provided with the rolling bearing being embedded between round flap and forebay circle groove on described briquetting.
- 7. the using method of a translating follower planar cam mechanism demonstrator, it is characterised in that comprise the following steps:(1) screwing briquetting makes circle flap can not rotate relative to frame, unloads stock and makes rotating shaft can rotate around circle flap;(2) paintbrush axle, circular drawing board are unloaded, swing handle drives plane cam to rotate by rotating shaft thus drives translating follower to move back and forth up and down at guide rail, central gear rotates simultaneously, drive the planetary gear being engaged with, then band carry-over bar transverse shifting, tooth bar and rectangle drawing board are connected by connector, rectangle drawing board transverse shifting, rectangle drawing board and translating follower relative movement, the paintbrush A on contiguous block draws the driven member displacement curve obtaining planar cam mechanism on rectangle drawing board;(3) rotate backward handle, make rectangle drawing board and translating follower return to initial position, the original position of the displacement curve that paintbrush A alignment has been drawn out;(4) unscrew briquetting and make circle flap energy gantry rotation relatively, load onto stock, compress handle, make rotating shaft can not rotate relative to frame;(5) paintbrush axle, circular drawing board are loaded onto;(6) slewing circle flap, now plane cam maintains static, planetary gear on circle flap rotates around central gear, thus the gathering sill of band carry-over bar and rectangle drawing board edge circle flap moves, translating follower is around plane cam relative motion, the motion of rectangle drawing board and translating follower drives paintbrush A to move along the most drawn displacement curve, and paintbrush axle is connected by contiguous block with translating follower, and paintbrush B draws out cam profile on circular drawing board 2.
Priority Applications (1)
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CN201410776934.4A CN104409009B (en) | 2014-12-17 | 2014-12-17 | A kind of translating follower planar cam mechanism demonstrator and using method thereof |
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CN201410776934.4A CN104409009B (en) | 2014-12-17 | 2014-12-17 | A kind of translating follower planar cam mechanism demonstrator and using method thereof |
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CN104409009A CN104409009A (en) | 2015-03-11 |
CN104409009B true CN104409009B (en) | 2016-08-17 |
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CN104700708B (en) * | 2015-03-26 | 2017-11-21 | 黄鉴昆 | A kind of disc cam teaching aid |
CN106840658B (en) * | 2017-03-03 | 2019-06-28 | 广东捷信科技服务有限公司韶关分公司 | A kind of transmission detection device for recreational machine |
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CN104123877A (en) * | 2014-07-04 | 2014-10-29 | 龙岩学院 | Displacement-profile generation demonstrator for cam mechanism |
CN203910149U (en) * | 2014-04-21 | 2014-10-29 | 浙江工业大学 | Cam teaching device |
CN104134391A (en) * | 2014-07-28 | 2014-11-05 | 重庆理工大学 | Cam contour line generation experiment instrument |
CN204315159U (en) * | 2014-12-17 | 2015-05-06 | 福州大学 | A kind of translating follower planar cam mechanism demonstrator |
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Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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RU2279717C1 (en) * | 2005-02-14 | 2006-07-10 | ГОУ ВПО Пензенский Государственный Университет (ПГУ) | Device for demonstration of cam mechanism with flat pusher |
CN203659329U (en) * | 2013-11-20 | 2014-06-18 | 张国军 | Multi-parameter multivariable cam measurement experiment table |
CN203631009U (en) * | 2013-11-21 | 2014-06-04 | 西安工程大学 | Contour line generation demonstration device for disc cam of pointed translating follower |
CN203773860U (en) * | 2014-04-11 | 2014-08-13 | 辽宁工业大学 | Mechanical principle course cam teaching aid |
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CN104091512A (en) * | 2014-07-15 | 2014-10-08 | 南京理工大学 | Push rod movement and cam profile forming demonstration device based on differential gear train |
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