CN103824505A - Cam plotting instrument - Google Patents
Cam plotting instrument Download PDFInfo
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- CN103824505A CN103824505A CN201410099794.1A CN201410099794A CN103824505A CN 103824505 A CN103824505 A CN 103824505A CN 201410099794 A CN201410099794 A CN 201410099794A CN 103824505 A CN103824505 A CN 103824505A
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- rotating shaft
- cam
- plotting
- push rod
- belt
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Abstract
The invention relates to a cam plotting instrument. Because of the large size and the arrangement of a laboratory, the conventional cam plotting instrument is not suitable for teachers to carry out demonstration in class, and has few functions, cannot demonstrate outline regulations of multiple cams, and thus has limited teaching effect, only has a function of demonstrating the motion regulation, cannot design the outline of a cam in an inversed direction. The cam plotting instrument comprises a base plate, a first rotating shaft, a second rotating shaft and a third rotating shaft penetrate through the base plate and are distributed in an inverted triangular shape; a transmission device is arranged on one side of the base plate; a plotting device is arranged on the other side of the base plate; the transmission device and the plotting device are connected through the first rotating shaft, the second rotating shaft and the third rotating shaft. The cam plotting instrument is simple and reliable in structure, light in weight, simple and convenient to operate, can help students to master the knowledge easily and can be used for a long time.
Description
Technical field
the present invention relates to a kind of plotting apparatus, especially a kind of cam plotting apparatus.
Background technology
Existing cam plotting apparatus is bulky, because the display in laboratory is put, demonstrates with hall on classroom and be unsuitable for teacher, and also function singleness, can not carry out the demonstration of multiple cam gabarit rule, teaching efficiency is limited; Only there is the function of the demonstration characteristics of motion, and gabarit that cannot reverse design cam.
Summary of the invention
The object of this invention is to provide a kind of cam plotting apparatus, to overcome the large and limited problem of function of the volume that exists in existing plotting apparatus.
For solving the problems of the technologies described above, technical scheme of the present invention is: a kind of cam plotting apparatus, comprise substrate, and on substrate, be equipped with the first rotating shaft, the second rotating shaft and the 3rd rotating shaft and be handstand Triangle-Profile; Be positioned in substrate one side and be provided with gearing, its another side is provided with plotting unit, and described gearing is connected by the first rotating shaft, the second rotating shaft and the 3rd rotating shaft with plotting unit.
Described gearing comprises the first rotating shaft, the second rotating shaft and the 3rd rotating shaft, in the first rotating shaft, the second rotating shaft and the 3rd rotating shaft, is respectively arranged with belt wheel, is arranged with driving-belt on belt wheel; Described plotting unit comprise end be provided with the first rotating shaft of handle and be separately positioned on the second rotating shaft and the 3rd rotating shaft on belt wheel, on belt wheel, be arranged with horizontal conveyor belt, in the first rotating shaft, be provided with offset cam, between horizontal conveyor belt and the first rotating shaft, be provided with the chart board and the slide block that can along continuous straight runs move, on slide block, be vertically equipped with push rod moving up and down, push rod top and chart board are corresponding and be provided with pencil draw-in groove, and its bottom contacts with offset cam.
Described gearing comprises the first rotating shaft, the second rotating shaft and the 3rd rotating shaft, in the first rotating shaft, the second rotating shaft and the 3rd rotating shaft, is respectively arranged with belt wheel, is arranged with driving-belt on belt wheel; Described plotting unit comprise end be provided with the first rotating shaft of handle and be separately positioned on the second rotating shaft and the 3rd rotating shaft on belt wheel, on belt wheel, be arranged with horizontal conveyor belt, in the first rotating shaft, be provided with Circular curve-drawing instrument, between horizontal conveyor belt and the first rotating shaft, be provided with grooved cam and the slide block that can move horizontally, on slide block, be vertically equipped with push rod moving up and down, push rod top is provided with the little push rod that embeds grooved cam, and push rod bottom is provided with pencil draw-in groove.
On described substrate, be provided with the chute that can make chart board or grooved cam horizontal slip and the position adjustments chute that can make slide block horizontal slip, on slide block, be provided with the vertical through hole that wears push rod.
On substrate between the 3rd rotating shaft and second rotating shaft of described and gearing the same face, be provided with the graduated tensioning chute of tool, in tensioning chute, wear the 4th rotating shaft, in the 4th rotating shaft, be provided with the stretching pulley of controlling driving-belt degree of tightness, and be provided with tensioning slide block in the 4th rotating shaft of plotting unit the same face; On described substrate, be provided with the horizontal concrete chute that can make chart board horizontal slip, chart board is connected with it by the buckle being positioned on driving-belt.
Described tensioning chute is positioned at the position near the 3rd rotating shaft.
Compared with prior art, the present invention has following beneficial effect:
1. the present invention has structure small and exquisite (volume is 450mmX450mmX150mm) the little feature that takes up room, and not only can use in laboratory, and can use in classroom, convenient directly perceived;
2. the present invention is simple and reliable for structure, lightweight, and easy help students easy and simple to handle, can use for a long time.Small-sized physical construction allow student very easily in daily study the principal mode to cam learn, can practical operation increase direct feel;
3. there is adjustable feature; Can demonstrate the different cam mechanisms that form, such as point end push rod, flat push rod, to cardiac prominence wheel, offset cam etc., only need to change corresponding push rod when use, regulates the position of tensioning slide block;
4. there is the function of reverse design cam gabarit, only driving part need to be changed into grooved cam by handle;
5. use simply, only paper need to be fixed on chart board, only need afterwards rotary handle 11(or promote grooved cam).
Accompanying drawing explanation
Fig. 1 is the structural representation of gearing of the present invention;
Fig. 2 is the structural representation of the first embodiment of the present invention;
Fig. 3 is the structural representation of the second embodiment of the present invention.
Wherein: 1. substrate; 2. the first rotating shaft; 3. the second rotating shaft; 4. the 3rd rotating shaft; 5. offset cam; 6. handle; 7. horizontal conveyor belt; 8. chart board; 9. slide block; 10. push rod; 11. pencil draw-in grooves; 12. tensioning chutes; 13. the 4th rotating shafts; 14. stretching pulleys; 15. tensioning slide blocks; 16. position adjustments chutes; 17. buckles; 18. driving-belts; 19. horizontal concrete chutes; 20. little push rods; 21. grooved cams; 22. pencil draw-in grooves; 23. Circular curve-drawing instruments.
Embodiment
Below in conjunction with embodiment, the present invention will be described in detail.
Referring to Fig. 1 and Fig. 2, a kind of cam plotting apparatus, comprises substrate 1, is equipped with the first rotating shaft 2, the second rotating shaft 3 and the 3rd rotating shaft 4 and is handstand Triangle-Profile on substrate 1; Be positioned in substrate 1 one side and be provided with gearing, gearing comprises in the first rotating shaft 2, the second rotating shaft 3 and the 3rd rotating shaft 4, the first rotating shafts 2, the second rotating shaft 3 and the 3rd rotating shaft 4 and is respectively arranged with belt wheel, is arranged with driving-belt 18 on belt wheel;
The another side of substrate is provided with plotting unit, plotting unit comprises that end is provided with the first rotating shaft 2 of handle 6 and is separately positioned on the belt wheel in the second rotating shaft 3 and the 3rd rotating shaft 4, on belt wheel, be arranged with horizontal conveyor belt 7, in the first rotating shaft 2, be provided with offset cam 5, on the substrate 1 between horizontal conveyor belt 7 and the first rotating shaft 2, be provided with the position adjustments chute 16 that can make the chute 16 of chart board 8 horizontal slips and can make slide block 9 horizontal slips, on slide block 9, be provided with the vertical through hole that wears push rod 10, push rod 10 wears through hole inner casing and moves up and down, push rod 10 tops are corresponding with chart board 8 and be provided with pencil draw-in groove 22, its bottom contacts with offset cam 5.
Gearing is connected with the 3rd rotating shaft 4 by the first rotating shaft 2, the second rotating shaft 3 with plotting unit.
Fig. 1 and Fig. 3 form another kind of cam plotting apparatus structural drawing, comprise substrate 1, be equipped with the first rotating shaft 2, the second rotating shaft 3 and the 3rd rotating shaft 4 and be handstand Triangle-Profile on substrate 1; Be positioned in substrate 1 one side and be provided with gearing, gearing comprises in the first rotating shaft 2, the second rotating shaft 3 and the 3rd rotating shaft 4, the first rotating shafts 2, the second rotating shaft 3 and the 3rd rotating shaft 4 and is respectively arranged with belt wheel, is arranged with driving-belt 18 on belt wheel; Plotting unit comprises that end is provided with the first rotating shaft 2 of handle and is separately positioned on the belt wheel in the second rotating shaft 3 and the 3rd rotating shaft 4, on belt wheel, be arranged with horizontal conveyor belt 7, in the first rotating shaft 2, be provided with Circular curve-drawing instrument 23, on the substrate 1 between horizontal conveyor belt and the first rotating shaft 2, be provided with the position adjustments chute 16 that can make the chute 19 of grooved cam 21 horizontal slips and can make slide block 9 horizontal slips, on slide block 9, be provided with the vertical through hole that wears push rod 10, push rod 10 tops are provided with the little push rod 20 that embeds grooved cam 21, and push rod 10 bottoms are provided with pencil draw-in groove 22.
In above-mentioned two kinds of structures, and be provided with the graduated tensioning chute 12 of tool on the substrate 1 between the 3rd rotating shaft 4 and second rotating shaft 3 of gearing the same face, in tensioning chute 12, wear the 4th rotating shaft 13, in the 4th rotating shaft 13, be provided with the stretching pulley 14 of controlling driving-belt 18 degrees of tightness, and be provided with slide block 15 in the 4th rotating shaft 13 of plotting unit the same face; On substrate 1, be provided with the horizontal concrete chute 19 that can make chart board 8 horizontal slips, chart board 8 is connected with it by the buckle 17 being positioned on driving-belt 18; Tensioning chute 12 is positioned at the position near the 3rd rotating shaft 4.
Embodiment 1: the gabarit by offset cam is drawn cam law curve, uses offset cam:
Referring to Fig. 2, turning handle 6, the first rotating shaft 2 being connected with handle 6 is also rotated thereupon, and the first rotating shaft 2 is rotated by the belt wheel in belt wheel and then drive the second rotating shaft 3 and the 3rd rotating shaft 4, and then the second rotating shaft 3 and the 3rd rotating shaft 4 are also rotated thereupon with same angular velocity, horizontal conveyor belt 7 is also rotated like this, horizontal conveyor belt 7 is connected with chart board 8 by buckle 17, movement in chart board 8 occurred level directions like this, meanwhile, handle 6 rotations can drive offset cam 5 to rotate, and promote push rod 10 and move up and down, thereby drive pencil to move up and down.The final movement of chart board 8 and the movement of pencil, thus draw out the relation curve between push rod 10 characteristics of motion and cam face by pencil.
If need to draw offset cam time, only slide block 9 need to be moved according to the scale marking on it in chute 16.
Embodiment 2: draw cam profile by the grooved cam characteristics of motion, use grooved cam:
Referring to Fig. 3, first, promote grooved cam 21, thereby push rod 10 is moved up and down according to the characteristics of motion; Simultaneously, promotion grooved cam 21 moves and can make buckle 17 move horizontally, thereby drive horizontal conveying belt 7 to rotate, and then drive the second rotating shaft 3 and the 3rd rotating shaft 4 to rotate, and then drive driving-belt to move, thereby the first rotating shaft 2 is rotated with identical angular velocity, and then drives Circular curve-drawing instrument 23 to rotate, the cam gabarit that finally makes to meet rule by pencil drawing on Circular curve-drawing instrument 23.
The present invention is mainly used in the relation between camming movement characteristic and gabarit.This camming movement demonstrator design weight be 2kg, can adapt to for to cardiac prominence wheel mechanism by the adjusting of eccentric throw, the teaching requirement that Eccentric earn mechamism is different, the principle of work of entirety is that the decomposition of camming movement is with synthetic.
The present invention can demonstrate the different cam mechanisms that form, such as point end push rod, and flat push rod, to cardiac prominence wheel, offset cam etc., only need to change corresponding push rod when use, regulates the position of tensioning slide block.
Claims (6)
1. a cam plotting apparatus, is characterized in that: comprise substrate (1), be equipped with the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4) and be handstand Triangle-Profile on substrate (1); Be positioned in substrate (1) one side and be provided with gearing, its another side is provided with plotting unit, and described gearing is connected by the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4) with plotting unit.
2. cam plotting apparatus according to claim 1, it is characterized in that: described gearing comprises the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4), in the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4), be respectively arranged with belt wheel, on belt wheel, be arranged with driving-belt (18), described plotting unit comprise end be provided with first rotating shaft (2) of handle (6) and be separately positioned on the second rotating shaft (3) and the 3rd rotating shaft (4) on belt wheel, on belt wheel, be arranged with horizontal conveyor belt (7), in the first rotating shaft (2), be provided with offset cam (5), between horizontal conveyor belt (7) and the first rotating shaft (2), be provided with the chart board (8) and the slide block (9) that can along continuous straight runs move, on slide block (9), be vertically equipped with push rod moving up and down (10), push rod (10) top is corresponding with chart board (8) and be provided with pencil draw-in groove (22), its bottom contacts with offset cam (5).
3. cam plotting apparatus according to claim 1, it is characterized in that: described gearing comprises the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4), in the first rotating shaft (2), the second rotating shaft (3) and the 3rd rotating shaft (4), be respectively arranged with belt wheel, on belt wheel, be arranged with driving-belt (18), described plotting unit comprise end be provided with first rotating shaft (2) of handle (6) and be separately positioned on the second rotating shaft (3) and the 3rd rotating shaft (4) on belt wheel, on belt wheel, be arranged with horizontal conveyor belt (7), in the first rotating shaft (2), be provided with Circular curve-drawing instrument (23), between horizontal conveyor belt (7) and the first rotating shaft (2), be provided with grooved cam (21) and the slide block (9) that can move horizontally, on slide block (9), be vertically equipped with push rod moving up and down (10), push rod (10) top is provided with the little push rod (20) that embeds grooved cam (21), push rod (10) bottom is provided with pencil draw-in groove (22).
4. according to the cam plotting apparatus described in claim 2 or 3, it is characterized in that: on described substrate (1), be provided with the chute (16) that can make chart board (8) or grooved cam (21) horizontal slip and the position adjustments chute (16) that can make slide block (9) horizontal slip, on slide block (9), be provided with the vertical through hole that wears push rod (10).
5. cam plotting apparatus according to claim 4, it is characterized in that: on the substrate (1) between the 3rd rotating shaft (4) and second rotating shaft (3) of described and gearing the same face, be provided with the graduated tensioning chute of tool (12), in tensioning chute (12), wear the 4th rotating shaft (13), in the 4th rotating shaft (13), be provided with the stretching pulley (14) of controlling driving-belt (18) degree of tightness, and be provided with tensioning slide block (15) in the 4th rotating shaft (13) of plotting unit the same face; On described substrate (1), be provided with the horizontal concrete chute (19) that can make chart board (8) horizontal slip, chart board (8) is connected with it by the buckle (17) being positioned on driving-belt (18).
6. cam plotting apparatus according to claim 5, is characterized in that: described tensioning chute (12) is positioned at the position near the 3rd rotating shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099794.1A CN103824505B (en) | 2014-03-18 | 2014-03-18 | Cam plotting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410099794.1A CN103824505B (en) | 2014-03-18 | 2014-03-18 | Cam plotting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103824505A true CN103824505A (en) | 2014-05-28 |
| CN103824505B CN103824505B (en) | 2016-06-08 |
Family
ID=50759537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410099794.1A Expired - Fee Related CN103824505B (en) | 2014-03-18 | 2014-03-18 | Cam plotting apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103824505B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361822A (en) * | 2014-12-02 | 2015-02-18 | 河海大学常州校区 | Multifunctional cam demonstration teaching aid |
| CN104464486A (en) * | 2014-09-17 | 2015-03-25 | 杭州电子科技大学 | Device for drawing motion curves of cam under different offsets |
| CN104493911A (en) * | 2014-12-18 | 2015-04-08 | 重庆佐恩家具有限公司 | Timber curve machining drive device |
| CN104700707A (en) * | 2015-03-19 | 2015-06-10 | 福州大学 | Teaching instrument with cam mechanism |
| CN106782017A (en) * | 2017-01-22 | 2017-05-31 | 浙江农林大学 | Disc cam demonstrator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05150180A (en) * | 1991-11-29 | 1993-06-18 | Hiroyoshi Suekane | Photoplotter |
| JPH07237398A (en) * | 1994-02-28 | 1995-09-12 | Mutoh Ind Ltd | Plotter |
| CN2828983Y (en) * | 2004-08-07 | 2006-10-18 | 胥进 | Driven rod displacement curve mapper with cam mechanism |
| CN201004288Y (en) * | 2006-09-29 | 2008-01-09 | 路宗新 | A cam structure teaching tool |
| CN202523298U (en) * | 2011-11-11 | 2012-11-07 | 南京化工职业技术学院 | Mapper for cam gear movement rules |
| CN203759972U (en) * | 2014-03-18 | 2014-08-06 | 西安工业大学 | Cam plotter |
-
2014
- 2014-03-18 CN CN201410099794.1A patent/CN103824505B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05150180A (en) * | 1991-11-29 | 1993-06-18 | Hiroyoshi Suekane | Photoplotter |
| JPH07237398A (en) * | 1994-02-28 | 1995-09-12 | Mutoh Ind Ltd | Plotter |
| CN2828983Y (en) * | 2004-08-07 | 2006-10-18 | 胥进 | Driven rod displacement curve mapper with cam mechanism |
| CN201004288Y (en) * | 2006-09-29 | 2008-01-09 | 路宗新 | A cam structure teaching tool |
| CN202523298U (en) * | 2011-11-11 | 2012-11-07 | 南京化工职业技术学院 | Mapper for cam gear movement rules |
| CN203759972U (en) * | 2014-03-18 | 2014-08-06 | 西安工业大学 | Cam plotter |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104464486A (en) * | 2014-09-17 | 2015-03-25 | 杭州电子科技大学 | Device for drawing motion curves of cam under different offsets |
| CN104361822A (en) * | 2014-12-02 | 2015-02-18 | 河海大学常州校区 | Multifunctional cam demonstration teaching aid |
| CN104493911A (en) * | 2014-12-18 | 2015-04-08 | 重庆佐恩家具有限公司 | Timber curve machining drive device |
| CN104700707A (en) * | 2015-03-19 | 2015-06-10 | 福州大学 | Teaching instrument with cam mechanism |
| CN106782017A (en) * | 2017-01-22 | 2017-05-31 | 浙江农林大学 | Disc cam demonstrator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103824505B (en) | 2016-06-08 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160608 Termination date: 20170318 |