JPH07431B2 - Plotter - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION The present invention provides a writing member such as a pen for X.
-A plotter that moves in the Y direction.

[0002]

2. Description of the Related Art FIG. 4 is a perspective view of a conventional plotter.
In this type of plotter, a bed 2 is provided on the upper surface of a main body 1, and recording paper is attached on the bed 2. A slider 3 is provided on the bed 2 so as to be movable in the X direction, and a pen holder 4 is provided on the slider 3 so as to be movable in the Y direction. The pen P is held in the pen holder 4 as a writing member. A drive mechanism such as a pulse motor for driving the slider 3 and the pen holder 4 is provided in the main body 1 and on the slider 3, and the pen holder 4 has
A drive mechanism is provided that presses the pen P against the recording sheet on the bed 2 and separates the pen P from the recording sheet. Each drive mechanism is started by operating the operation mechanism 5 on the front surface of the main body 1. Pen P
By controlling the movement of the pen in the X-Y directions, the pen P draws a predetermined figure or the like.

[0003]

In the above-mentioned conventional plotter, as a means for fixing the recording paper on the bed 2, the bed 2 is formed by an electrostatic attraction plate or a magnetic sheet is attached on the bed 2. The recording paper set on it is clamped and fixed by an iron pressing plate and a magnetic sheet that attracts the pressing plate. Alternatively, as shown in FIG. 4, the paper pressing plate 6 is provided on the bed 2, and the recording paper is fixed on the bed 2 by the mechanical pressure of the paper pressing plate 6. In the above-mentioned conventional plotter, the recording paper is set and fixed on the bed 2, but since the slider 3 and the pen holder 4 are provided on the bed 2, the recording paper is accurately positioned and fixed on the bed 2. Is difficult. Further, in the conventional recording paper fixing mechanism, the paper may not be sufficiently pressed, and wrinkles may occur on the installed paper, and the pen tip may catch on the wrinkles to stain the paper surface, or wrinkles may occur. The paper may move or be damaged while the pen tip is caught. Further, in the conventional plotter, the thickness and size of the paper set on the bed 2 are limited, and there is a drawback that the paper cannot be selected in a wide range.

The present invention has been made to solve the above-mentioned conventional problems, and an object of the present invention is to provide a plotter capable of completely fixing a recording sheet and selecting the sheet in a wide range.

[0005]

SUMMARY OF THE INVENTION A plotter according to the present invention is a plotter including a slider that moves on a main body and a writing member that moves on the slider in a direction orthogonal to the moving direction of the slider. A space portion is formed in the moving range of the writing member on the main body so as to pass through the main body in the vertical direction, and a positioning portion for the main body is provided on the lower side of the main body and is positioned below the space portion. Is provided, and the upper surface of the pedestal serves as a sheet setting surface.

[0006]

In the above means, desired paper is placed on the upper surface of the pedestal, and the main body is positioned and placed on it. By moving the slider and the writing member provided in the main body in the XY directions, characters or pictures are drawn on the paper located below the space of the main body. Moreover, since the main body and the pedestal are separated, different types of paper can be installed, and the types of paper that can be used can be increased.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIGS. FIG. 1 shows a plotter 10 according to the present invention.
The main body 11 and the recording paper S are shown in a perspective view. A main body 11 of the plotter 10 has a frame shape, and a space portion A is formed in the center. The space A is formed by vertically penetrating the main body 11. The main body 11 is provided with a slider 12 that reciprocates in the X direction within the space A. A pen holder 13 is provided on the slider 12 so as to reciprocate in the Y direction.
A pen P is held in the pen holder 13 as a writing member. A drive mechanism for moving the pen P in the vertical direction in the drawing is provided in the pen holder 13. Pen holder 1
A drive source such as a pulse motor for driving the slider 3 in the Y direction, a drive source such as a pulse motor for driving the slider 12 in the X direction, and the pen P in the pen holder 13.
The drive mechanism for moving up and down is controlled by a driver circuit provided in the main body 11. Further, an operation mechanism 14 for operating the driver circuit is arranged on the upper surface of the main body 11.

FIG. 2 shows the body 11 of the plotter 10 and
3 is an overall perspective view showing a relationship with a pedestal 12 installed on the lower side of the main body 11. FIG. Reference numeral 21 in the figure is a pedestal, and a bed 21a is formed on the upper surface of the pedestal 21. The area of the bed 21a is set to be the same as or slightly narrower than the space portion A of the plotter 10. Bed 21
A magnet plate is installed on a, and the recording paper Sa installed on the upper surface is fixed by a metal holding plate 22. Positioning projections 21b are provided at four corners of the pedestal 21, and recesses corresponding to the projections 21b are formed on the bottom surface of the main body 11 of the plotter 10. When the main body 11 of the plotter 10 is placed on the pedestal 21, the concave portion of the bottom surface of the main body 11 and the protrusion 21b on the pedestal 21 are engaged with each other, and the main body 11 is positioned on the pedestal 21. With the main body 11 positioned and installed on the pedestal 21 as described above, almost the entire surface of the recording paper Sa appears in the space A.

In the writing operation, when each drive mechanism in the plotter 10 is started by the operation mechanism 14, the main CPU
The slider 12 is driven in the X direction and the pen holder 13 is driven in the Y direction according to the command from the. If the pen P is brought into contact with the recording sheet Sa in accordance with the movement in the X-Y direction, the recording sheet Sa appearing in the space A will be
A figure or the like corresponding to the XY operation is drawn. Conventional XY
By analogy with a plotter manufacturing example, the body 11 of the plotter 10 can have a weight of about 1 to 2 kg, so that the body 11 and the pedestal 21 can be easily separated and positioned.

FIG. 3 is a perspective view showing a pedestal 31 according to another embodiment. In this embodiment, a roll-shaped recording sheet Sb can be used. A support shaft 32 is provided at one end of the pedestal 31, and a roll-shaped recording sheet Sb is rotatably attached to the support shaft 32. Paper guides 33a and 33b are provided on both sides of the pedestal 31. A paper feed mechanism using a sprocket is provided in each of the paper guides 33a and 33b, and the sprocket serves a perforation S on both sides of the recording paper Sb.
c is engaged. When the start button 34 on the paper guide 33b is pressed, the paper feeding mechanism is started and the roll-shaped recording paper Sb
Are sequentially sent to the central portion of the pedestal 31.

Further, the projections 3 are provided at the four corners of the upper surface of the pedestal 31.
1a is provided, and when the main body 11 of the plotter 10 (the same as that shown in FIGS. 1 and 2) is installed on the pedestal 31, the protrusion 31a is formed in the positioning recess on the bottom surface of the main body 11 of the plotter 10. When engaged, the main body 11 is positioned on the pedestal 31. Then, the recording paper Sb on the pedestal 31 appears in the space A of the main body 11 of the plotter 10, and writing with the pen P can be performed on it.

Further, as an embodiment other than the one shown in the drawings, in the main body 11, a space A is formed in a part of the moving range of the pen P.
4 is formed on the other part of the moving range of the pen P.
A bed 2 as shown in FIG. 2 is provided, and writing is performed on both the recording paper set on the bed 2 and the recording paper laid under the main body 11 and appearing in the space A. Good. In this case, 2 plots with 1 plotter
There is an advantage that writing can be performed almost simultaneously on one recording sheet. Further, the α portion of the main body 11 shown in FIG. 1 may be deleted so that the main body 11 has a U-shape.

[0013]

As described above, according to the present invention, since the main body of the plotter is positioned and installed on the pedestal, and writing is performed on the paper appearing in the space of the main body at this time, the pedestal is attached to the pedestal. The paper can be reliably positioned and fixed, and the paper can be fixed accurately and surely.

By selecting the pedestal on which the main body is installed, it is possible to use all kinds of paper.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention, showing a relationship between a main body of a plotter and a sheet.

2 is a perspective view showing a relationship between a main body of the plotter shown in FIG. 1 and a pedestal;

FIG. 3 is a perspective view showing another embodiment of the pedestal,

FIG. 4 is a perspective view showing a conventional plotter,

[Explanation of symbols]

 10 Plotter 11 Main Body 12 Slider 13 Pen Holder P Writing Member (Pen) S, Sa, Sc Recording Paper A Space

Front page continued (72) Inventor Hirofumi Iguchi 1-7 Yukiya Otsuka-cho, Ota-ku, Tokyo Alps Electric Co., Ltd. (56) References

Claims (1)

[Claims] 1. A plotter provided with a slider that moves on a main body and a writing member that moves on the slider in a direction orthogonal to the moving direction of the slider, within a moving range of the writing member on the main body. A space is formed through the main body in the vertical direction, and a pedestal having a positioning portion for the main body and located below the space is provided on the lower side of the main body. The plotter is characterized by the paper setting surface.