CN102442130A - Graph plotter for plotting circles - Google Patents
Graph plotter for plotting circles Download PDFInfo
- Publication number
- CN102442130A CN102442130A CN2011103241612A CN201110324161A CN102442130A CN 102442130 A CN102442130 A CN 102442130A CN 2011103241612 A CN2011103241612 A CN 2011103241612A CN 201110324161 A CN201110324161 A CN 201110324161A CN 102442130 A CN102442130 A CN 102442130A
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- main beam
- chi
- stock
- plotter
- drawing bar
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- 239000003973 paint Substances 0.000 claims description 14
- 238000010422 painting Methods 0.000 claims description 5
- 208000004350 Strabismus Diseases 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
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Abstract
The invention discloses a graph plotter for plotting circles, which comprises a compasses needle fixing rod, a plotting rod and a main cross beam ruler, wherein the compasses needle fixing rod is used for supporting the graph plotter to rotate; the plotting rod is used for drawing lines; the main cross beam ruler is arranged transversally; scales are formed on the main cross beam ruler; the compasses needle fixing rod and the plotting rod are connected to the main cross beam ruler; the plotting rod can move on the main cross beam ruler; and a fixing device for fixing the plotting rod is further arranged on the main cross beam ruler. Through the adoption of the technical scheme, plotting can be realized by moving the plotting rod on the main cross beam ruler to a corresponding scale mark without measuring a required length on a calibrated scale; and as the plotting rod is fixed all the time, deflection is avoided, and a circle plotted by the graph plotter is low in radius error, and high in precision. When the plotting rod is moved to another position, a concentric circle can be plotted without repeatedly measuring required lengths on the calibrated scale; and as the needle insert pin of the graph plotter cannot slip, the position of the center of circles cannot deflect, which obviously improves the precision of concentric circle plotting.
Description
Technical field
The present invention relates to a kind of plotter that is used to draw circle, be mainly used in the design of auto parts and components.
Background technology
When carrying out ring flange, wheel rim, circular electrical equipment pipe, engine accessory power rating oil pipe, circular blast pipe, tire and other concentric circles or circular The Design of Auto Parts; Circular plotter commonly used can only be done simple circular the drafting; When doing high-precision circle and concentric circles and draw, shortcomings such as concentric circles decentraction and radius of a circle error ratio are bigger can appear in the circle that common circular plotter is drawn; This circular plotter is made up of armed lever angular adjustment apparatus, armed lever, cushion pin, nib or several parts such as writing implement, pivot, is that the patent of CN02289716.X promptly discloses similar a kind of plotter like the patent No..In use, hold pivot, on rule, measure required length with needle point and nib, the angle of adjusting two armed levers then is fixed, and is the center of circle with the needle point more at last, and the armed lever of rotating band nib is drawn circle.When drawing concentric circles, need such operation repeatedly, because circular plotter is often adjusted, the cushion pin skids easily; During rotation, home position can squint, and makes each round center of circle not on same point; Thereby cause concentric circles decentraction and radius of a circle error to occur; Influence the accuracy of drawing, made design unreasonable, and then influenced the quality of product.
Summary of the invention
Technical problem to be solved by this invention provides a kind of plotter, when carrying out The Design of Auto Parts, does not need on rule, to measure repeatedly required length, to improve draw circles and concentrically ringed precision.
In order to solve the problems of the technologies described above; The technical scheme that the present invention adopted is: a kind of plotter that is used to draw circle; It comprises rule pin fixed bar, the drawing bar that is used for setting-out and horizontal main beam chi that supports the plotter rotation; On the main beam chi, be carved with scale, said rule pin fixed bar and drawing bar are connected on the main beam chi, and rule pin fixed bar aligns with the zero graduation line of main beam chi; The drawing bar also can move on the main beam chi, on the main beam chi, also is provided with the fixedly fixture of drawing bar.
Said drawing bar moves stock through a main beam and is connected on the said main beam chi; Main beam moves the stock kink on the main beam chi; Said fixture is to be located at said main beam to move the hand-tight bolt I on the stock, and the end of hand-tight bolt I is passed the hand-tight bolt hole that said main beam moves on the stock and is against on the said main beam chi.
Said drawing bar is provided with a plurality of.
Paint roundlet drawing bar near said rule pin fixed bar in the said drawing bar for what draw the minor diameter circle; Paint roundlet drawing bar and be divided into two sections parallel quarter butts; These two sections quarter butts also are connected to an end of painting the roundlet crossfoot that parallels with said main beam chi, paint at this and also are carved with the scale identical with the main beam chi on roundlet crossfoot.
Said drawing bar is plugged on the bottom that said main beam moves stock; The bottom of moving stock at main beam is provided with patchhole; Said drawing bar is also fixed through hand-tight bolt II; The end of hand-tight bolt II is passed the sidewall that said main beam moves stock and is against on the said drawing bar, and it is perpendicular that said hand-tight bolt II pushes against the length direction of direction and said main beam chi of said drawing bar.
Move at said main beam and to be carved with secondary chi scale on the stock.
Be connected with the secondary crossbeam chi that extends along main beam chi length direction in the end of said main beam chi; On secondary crossbeam chi, be carved with the scale identical with the main beam chi; Fastening between secondary crossbeam chi and the main beam chi through hand-tight bolt III; Kink has and moves the identical secondary crossbeam of stock with said main beam and move stock on secondary crossbeam chi, and the bottom of moving stock at secondary crossbeam is plugged with said drawing bar.
On said main beam chi, be provided with the chute along its length direction, said secondary crossbeam chi slidably reciprocates in this chute.
Said rule pin fixed bar and said main beam chi are connected with a rotating turret, and main beam chi and rotating turret are rotationally connected, and the socket connection of rule pin fixed bar is on rotating turret.
Bottom at said rule pin fixed bar is connected with vacuum cup.
The present invention adopts technique scheme, and rule pin fixed bar and drawing bar are connected to form the plotter that can draw circle through the main beam chi that is carved with scale, when drawing, on the main beam chi, moves position to the corresponding graduation mark position of drawing bar and can draw; Compared with prior art, no longer need on rule, measure required length, simplified control; And the drawing bar is to be in stationary state all the time, the phenomenon that can not occur squinting, and the radius error of the circle of drafting is little; It is high to paint round precision, moves the drawing bar to another position, can draw concentric circles; According to aforementioned, do not need on rule, to measure repeatedly required length, skidding can not appear in the cushion pin of plotter; During rotation, home position can not squint, and obviously can improve and draw concentrically ringed precision; On the main beam chi, be provided with a plurality of drawing bars that are in diverse location, so just can once draw a plurality of circles, promptly once can accomplish concentrically ringed drafting, drawing efficiency is higher, operates easylier, and accuracy is higher.
Description of drawings
Fig. 1 is the front view of plotter of the present invention;
Fig. 2 moves the partial enlarged drawing that stock is connected with the main beam chi for the main beam of plotter of the present invention;
Fig. 3 is the partial enlarged drawing of painting roundlet drawing bar structure of plotter of the present invention;
Fig. 4 is the partial isometric of plotter of the present invention;
Mark among the above-mentioned figure is: 1, rotating turret; 2, main beam chi; 3, main beam moves stock; 4, secondary crossbeam chi; 5, secondary crossbeam moves stock; 6, drawing bar; 7, paint the roundlet crossfoot; 8, rule pin fixed bar; 9, secondary chi scale; 10, hand-tight bolt I; 11, hand-tight bolt II; 12, hand-tight bolt III; 13, paint roundlet drawing bar.
The specific embodiment
Like Fig. 1 and shown in Figure 4, the present invention draws circular plotter a kind of being used to, and it comprises armed lever, rotating turret 1, main beam chi 2, secondary crossbeam chi 4, main beam moves stock 3 and secondary crossbeam moves stock 5.Armed lever comprises rule pin fixed bar 8 that supports the plotter rotation and the drawing bar 6 that is used for setting-out, at the end of rule pin fixed bar 8 the cushion pin is installed and is used as rotating the strong point, at the end of drawing bar 6 pencil or other setting-out utensils is installed.On main beam chi 2, be carved with scale, the length of main beam chi 2 is set as required.Rule pin fixed bar 8 all is installed on this main beam chi 2 with drawing bar 6, and rule pin fixed bar 8 aligns with the zero graduation line of main beam chi 2, and drawing bar 6 also can move around on main beam chi 2.For moving around of the bar 6 of realizing drawing, drawing bar 6 is to move stock 3 through a main beam to be connected with main beam chi 2, and drawing bar 6 is installed in the bottom that main beam moves stock 3.Like Fig. 2 and shown in Figure 4; Main beam moves stock 3 and is rectangle; Which is provided with along the groove of main beam chi 2 length directions, on main beam chi 2, main beam moves stock 3 can not cover the graduation mark on the main beam chi 2 through this groove kink; So main beam move stock 3 can for transparent material or for other can expose the shape of main beam chi 2 scales, like the shape of the moving slider on the slide measure.Main beam moves stock 3 kinks on main beam chi 2, when drawing different-diameter circular, can be used for regulating the position of drawing bar 6.Drawing bar 6 also can adopt other structural member to be connected with main beam chi 2 and can to move around, and as on main beam chi 2, elongated slot being set, the slide block main beam chi 2 that drawing bar 6 matches through elongated slot therewith connects and can move around.In addition; Move at main beam and be equipped with also fixedly on the end face of stock 3 that main beam moves the fixture of stock 3 on main beam chi 2; This fixture is hand-tight bolt I 10; The end of hand-tight bolt I 10 is passed main beam and is moved the end face that hand-tight bolt hole on the stock 3 is against main beam chi 2, and fixedly main beam moves stock 3.Drawing bar 6 is plugged on the bottom that main beam moves stock 3; The bottom of moving stock 3 at main beam is provided with patchhole; Drawing bar 6 also passes through hand-tight bolt II 11 and fixes; The end of hand-tight bolt II 11 is against on the shaft of drawing bar 6 along the hand-tight bolt hole that main beam chi 2 length directions pass on the sidewall that main beam moves stock 3, and the bar 6 of drawing the most at last is against on the inwall of patchhole.Move at main beam and to be carved with the index line that is used for the graduation mark on its main beam chi 2 on the stock 3; The nib of the pencil on the drawing bar 6 after fastening and this index line are positioned on the same vertical curve; Because drawing bar 6 and main beam move between the patchhole on the stock 3 and have the gap, just needing accurately, the control index line moves the position on the stock 3 at main beam.For drawing bar 6 is changed corresponding to the scale on the main beam chi 2; The accuracy that influence is drawn; Hand-tight bolt II11 can also preferably be set, and to push against the length direction of direction and main beam chi 2 of drawing bar 6 perpendicular, promptly screws along the direction that has the surface of scale perpendicular to main beam chi 2.Draw bowlder with this plotter, on main beam chi 2, moving position to the corresponding graduation mark position of drawing bar 6, tightening hand-tight bolt I 10 then, confirming radius; The hand steered pin fixed bar 8 of firmly advising, the right hand drive main beam chi 2 and rotate and can draw, and compared with prior art, no longer need on rule, measure required length; Simplified control, and drawing bar 6 is to be in stationary state all the time, the phenomenon that can not occur squinting; The radius error of the circle of drawing is painted round precision height than little, moves drawing bar 6 in addition to another position; Can draw concentric circles,, not need on rule, to measure repeatedly required length according to aforementioned; Skidding can not appear in the cushion pin of plotter, and home position can not squint during rotation, obviously can improve and draw concentrically ringed precision.In addition, move at main beam and also to be carved with secondary chi scale 9 on the stock 3 in addition, further to improve the drafting accuracy of plotter, precision can be set as required to 0.1mm, 0.05mm, 0.02mm, its principle is identical with slide measure.
In order to improve the drawing efficiency of this plotter, as shown in Figure 1, two drawing bars 6 are set on main beam chi 2; So just can once draw two circles, once can accomplish concentrically ringed drafting, drawing efficiency is higher; Operate easylier, the concentric circles accuracy of drafting is higher.More drawing bar 6 also can be set certainly as required.
Like Fig. 1, Fig. 2 and shown in Figure 3; On main beam chi 2, also can be provided with one be used to draw the minor diameter circle paint roundlet drawing bar 13; And near the position setting of advising pin fixed bar 8; This paints roundlet drawing bar 13 and also moves stock 3 through main beam and be connected on the main beam chi 2, and it is identical with above-mentioned drawing bar 6 with the connected mode that main beam moves stock 3 to paint roundlet drawing bar 13.Paint roundlet drawing bar 13 and also be divided into two sections quarter butts that are parallel to each other along the bar length direction; These two sections quarter butts also are connected to an end of painting roundlet crossfoot 7 that parallels with main beam chi 2; Paint at this and also to be carved with the scale identical with main beam chi 2 on roundlet crossfoot 7, the direction that is provided with of painting roundlet crossfoot 7 can be for towards rule pin fixed bar 8 or away from rule pin fixed bar 8.
As depicted in figs. 1 and 2; In order to increase the drawing scope of this plotter; End away from rule pin fixed bar 8 on main beam chi 2 is connected with the secondary crossbeam chi 4 that extends along main beam chi 2 length directions; Kink has and moves stock 3 identical secondary crossbeams with main beam and move stock 5 on secondary crossbeam chi 4, and the bottom of moving stock 5 at secondary crossbeam also is plugged with drawing bar 6, and drawing bar 6 is also fixed through hand-tight bolt II11.A plurality of secondary crossbeams also can be set on secondary crossbeam chi 4 equally as required move stock 5 and drawing bar 6.Fastening, as shown in Figure 4 between secondary crossbeam chi 4 and the main beam chi 2 through hand-tight bolt III12, on main beam chi 2, be provided with chute along its length direction; Secondary crossbeam chi 4 slidably reciprocates in this chute; And can insert fully in the main beam chi 2 and pack up, being provided with hand-tight bolt hole at the back side of main beam chi 2, hand-tight bolt III12 passes this hand-tight bolt hole and is against on the secondary crossbeam chi 4; And have guide groove with the surface that hand-tight bolt III12 contacts at secondary crossbeam chi 4, so that secondary crossbeam chi 4 moves.This plotter adopts the structure of main beam chi 2 auxiliary connection crossbeam chis 4, not only can increase the drawing scope of plotter, can draw the bigger circle of diameter and once draw more concentric circles, but also carry and take care of after being convenient to pack up.
As shown in Figure 1; Rule pin fixed bar 8 is connected with main beam chi 2 through rotating turret 1, and main beam chi 2 is rotationally connected with rotating turret 1, and 8 socket connections of rule pin fixed bar are in the lower end of rotating turret 1; The lower end of rotating turret 1 is the shape hole; The upper end of rotating turret 1 also is shape hole or screwed hole, and main beam chi 2 rotates around rotating turret 1, is through bolt or other Shape Parts that its upper end is fixing; The cusp that the cushion pin of rule pin fixed bar 8 comes and the rotation of main beam chi 2 are on the same vertical curve, and the zero graduation line on the main beam chi 2 also is positioned on this vertical curve in addition; Rule pin fixed bar 8 can stretch up and down rotating turret 1 in according to working condition, on rotating turret 1 and employing and main beam move the fixedly identical structure fixed gauge pin fixed bar 8 of drawing bar 6 of stock 3.
As shown in Figure 1, be connected with vacuum cup or other fixtures in the bottom of rule pin fixed bar 8, the cushion pin inserts vacuum cup or magnet fixes the center of circle, can avoid the center of circle to squint, the accuracy that influence is drawn.
The method for using of this plotter is similar with common circular plotter principle; Be the center of circle is stablized motionless; Main beam chi 2 or secondary crossbeam chi 4 rotate around rotating turret 1; Can once draw a plurality of high-precision with or concentric circles, it is applicable to fields such as scientific research, teaching, drawing design, draws like: ring flange in the The Design of Auto Parts, wheel rim, circular electrical equipment pipe, engine accessory power rating oil pipe, circular blast pipe, tire and other concentric circles or circular part.And this plotter unscrews each hand-tight bolt after draw finishing, and just can unload each member down, so that put into instrument cases and be convenient to certainly, carry.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out; Or design of the present invention and technical scheme are directly applied to other occasion without improving, all within protection scope of the present invention.
Claims (10)
1. one kind is used to draw circular plotter; It comprises rule pin fixed bar that supports the plotter rotation and the drawing bar that is used for setting-out, and it is characterized in that: said plotter also comprises a horizontal main beam chi, on the main beam chi, is carved with scale; Said rule pin fixed bar and drawing bar are connected on the main beam chi; Rule pin fixed bar aligns with the zero graduation line of main beam chi, and the drawing bar also can move on the main beam chi, on the main beam chi, also is provided with the fixedly fixture of drawing bar.
2. the plotter that is used to draw circle according to claim 1; It is characterized in that: said drawing bar moves stock through a main beam and is connected on the said main beam chi; Main beam moves the stock kink on the main beam chi; Said fixture is to be located at said main beam to move the hand-tight bolt I on the stock, and the end of hand-tight bolt I is passed the hand-tight bolt hole that said main beam moves on the stock and is against on the said main beam chi.
3. according to claim 2 being used to drawn circular plotter, and it is characterized in that: said drawing bar is provided with a plurality of.
4. the plotter that is used to draw circle according to claim 3; It is characterized in that: paint roundlet drawing bar for what draw the minor diameter circle near said rule pin fixed bar in the said drawing bar; Paint roundlet drawing bar and be divided into two sections parallel quarter butts; These two sections quarter butts also are connected to an end of painting the roundlet crossfoot that parallels with said main beam chi, paint at this and also are carved with the scale identical with the main beam chi on roundlet crossfoot.
5. according to claim 2 or the 3 or 4 described plotters that are used to draw circle; It is characterized in that: said drawing bar is plugged on the bottom that said main beam moves stock; The bottom of moving stock at main beam is provided with patchhole; Said drawing bar is also fixed through hand-tight bolt II; The end of hand-tight bolt II is passed the sidewall that said main beam moves stock and is against on the said drawing bar, and it is perpendicular that said hand-tight bolt II pushes against the length direction of direction and said main beam chi of said drawing bar.
6. according to claim 5 being used to drawn circular plotter, it is characterized in that: move at said main beam and be carved with secondary chi scale on the stock.
7. the plotter that is used to draw circle according to claim 6; It is characterized in that: be connected with the secondary crossbeam chi that extends along main beam chi length direction in the end of said main beam chi; On secondary crossbeam chi, be carved with the scale identical with the main beam chi; It is fastening to pass through hand-tight bolt III between secondary crossbeam chi and the main beam chi, and kink has and moves the identical secondary crossbeam of stock with said main beam and move stock on secondary crossbeam chi, and the bottom of moving stock at secondary crossbeam is plugged with said drawing bar.
8. according to claim 7 being used to drawn circular plotter, and it is characterized in that: on said main beam chi, be provided with the chute along its length direction, said secondary crossbeam chi slidably reciprocates in this chute.
9. according to claim 8 being used to drawn circular plotter, and it is characterized in that: said rule pin fixed bar and said main beam chi are connected with a rotating turret, and main beam chi and rotating turret are rotationally connected, and the socket connection of rule pin fixed bar is on rotating turret.
10. according to claim 9 being used to drawn circular plotter, and it is characterized in that: the bottom at said rule pin fixed bar is connected with vacuum cup.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110324161.2A CN102442130B (en) | 2011-10-22 | 2011-10-22 | Graph plotter for plotting circles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110324161.2A CN102442130B (en) | 2011-10-22 | 2011-10-22 | Graph plotter for plotting circles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102442130A true CN102442130A (en) | 2012-05-09 |
| CN102442130B CN102442130B (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110324161.2A Active CN102442130B (en) | 2011-10-22 | 2011-10-22 | Graph plotter for plotting circles |
Country Status (1)
| Country | Link |
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| CN (1) | CN102442130B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252938A (en) * | 2015-11-21 | 2016-01-20 | 赵淑丽 | Centering pin assembly capable of drawing small circle |
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| CN201080079Y (en) * | 2007-09-25 | 2008-07-02 | 马长征 | Concentric compasses |
| CN201201442Y (en) * | 2008-05-16 | 2009-03-04 | 岳治奎 | Compasses for teaching |
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| CN101934669A (en) * | 2009-07-03 | 2011-01-05 | 朱俊威 | Dual-purpose bow compass |
| CN201712348U (en) * | 2010-04-28 | 2011-01-19 | 石厚琦 | Precision compasses |
| CN201769556U (en) * | 2010-09-15 | 2011-03-23 | 刘尚书 | Compasses capable of facilitating radius determination |
| CN201872476U (en) * | 2010-12-14 | 2011-06-22 | 王大伟 | Free telescopic compasses |
| CN201951095U (en) * | 2011-03-15 | 2011-08-31 | 郝晓萍 | Compasses for teaching |
| CN201961013U (en) * | 2010-12-09 | 2011-09-07 | 李霄 | Large-diameter compass |
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|---|---|---|---|---|
| SU901064A1 (en) * | 1980-04-15 | 1982-01-30 | за витель А. В. Есефьев | Device for drawing circle arcs |
| CN2051571U (en) * | 1988-11-17 | 1990-01-24 | 欧阳圣 | Compass with multileg |
| CN2131708Y (en) * | 1992-06-07 | 1993-05-05 | 李义 | Compass with staff |
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| CN1088873A (en) * | 1992-12-29 | 1994-07-06 | 路庆昌 | Laterally graduated compasses |
| CN2292682Y (en) * | 1997-01-23 | 1998-09-30 | 马培业 | Definition compasses |
| CN2671817Y (en) * | 2003-11-20 | 2005-01-19 | 邹存邈 | Ruler compasses |
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| CN201231626Y (en) * | 2008-06-26 | 2009-05-06 | 卢拥军 | Multipurpose compasses |
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| CN201769556U (en) * | 2010-09-15 | 2011-03-23 | 刘尚书 | Compasses capable of facilitating radius determination |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105252938A (en) * | 2015-11-21 | 2016-01-20 | 赵淑丽 | Centering pin assembly capable of drawing small circle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102442130B (en) | 2014-07-30 |
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