JPS61241197A - Electrostatic plotter with cutter - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an electrostatic plotter, and particularly to a plotter suitable for drawing a large number of sheets of various sizes using roll paper. Note that although it is referred to as drawing, in the following it also includes documents.

[Conventional technology]

An electrostatic plotter is a method in which a row or multiple rows of electrodes are lined up, a latent image is created on the electrostatic paper that passes directly below it according to the drawing information, and then a closed-loop toning system is used to prevent carbon from adhering. , you can get detailed drawings with good contrast. Now, in the semiconductor manufacturing industry, the sizes of drawings (including documents) that are output vary and the number of drawings is large, so in order to increase the number of drawings per hour, an automatic paper-feeding plotter using roll paper is used. is used exclusively.

[Problem that the invention seeks to solve]

If roll paper is used, after printing a large number of drawings of various types and sizes, each drawing must be folded or separated manually one by one. In addition, since the cutting process is done manually, even if the drawings are of the same size, the sizes of the cut drawings tend to be uneven, which is inconvenient for document storage such as filing.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electrostatic plotter in which a cutter is attached to the electrostatic plotter to automatically cut paper into a predetermined size in order to eliminate the above-mentioned drawbacks.

Since roll paper of a fixed width is used, the paper is cut to a predetermined length in the feeding direction.

[Means for solving problems]

The electrostatic plotter according to the present invention uses a sensor that generates and counts pulses in proportion to the rotation of a motor of a feeding mechanism for continuous paper, and plotting information including the number of pulse counts detected by the sensor and the length of the paper. means for determining when the paper is cut and generating a stop signal for the motor; and means for operating a cutter drive mechanism after detecting the stop of the motor by the sensor, and the paper is cut according to the type of drawing. You can change the length of.

[Effect]

FIG. 1 shows the configuration of the present invention, and an outline of its operation will be explained. The drawing information input means 1 inputs data into the memory 2 in advance.
The drawing information including the length of the drawing paper is stored in . A drive signal is applied from the processor 3 to the motor 5, and the paper is fed out by the paper feeding mechanism 4 to draw a diagram.

The sensor 6 generates a pulse train proportional to the rotation speed of the motor 5 and counts the number of pulse trains. Since the relationship between the pulse interval generated by the sensor 6 and the paper feed length is known from the mechanical dimensions of the motor 5° paper feed mechanism 4, the count number indicates the paper length.

The processor 3 reads this count number, compares it with the length of a predetermined drawing paper included in the drawing information, determines the cutting point of the continuous paper, and sends a stop signal to the motor 5. Since the motor 5 does not stop immediately, the processor 3 confirms that the motor 5 has stopped by not increasing the count value of the sensor 6, and then
A drive signal is sent to the cutter drive mechanism 7, and the cutter 8 cuts the continuous paper.

〔Example〕

An embodiment of the present invention will be described with reference to the drawings.

FIG. 2 (&) is an overall view of an electrostatic plotter with a cutter, in which paper lO is continuously fed out from an electrostatic paper roll 9. The feeding mechanism 4 is controlled by the processor 3, and after being plotted by the electrostatic recording section 11, the paper passes through the cutting section 12, where it is cut and arranged on the tray 13. FIG. 2(b) shows the feeding mechanism 4. This shows the cutting section 12, where the paper lO is dried by the guide roller.

It is sandwiched between the drive rollers and outputs. A sensor 6 is connected to the motor 5, and the rotation pulses of the motor 5 are measured by a counter. The output paper 10 stops moving when the end of the required drawing reaches the cutting position, and the cutter 8 cuts the paper. The cut drawing paper is deposited on the tray 13.

Next, the operation of the embodiment will be explained based on the flowchart of the processor 3 shown in FIG. When the number of sheets of the drawing to be drawn is input from the drawing information manual means 12, for example, from the keyboard, the number of sheets is set (Pl), and the drawing information is stored in the memory;
Reading from J2 (P2) is performed, and further reading from sensor 6
is cleared and a drive signal is given to the motor 5 (Pa). When the drawing (P4) is completed, a drawing completion signal is read from the drawing (Ps), and after waiting for a certain period of time (Ps), the output value of the sensor 6 is read and it is determined whether it is the specified count value (P7°Pa
)L, if the specified count value is reached, a stop signal is sent to the motor 5 (Ps).

The processes from Ps to P9 are based on the following reasons.

Even after reading the drawing end signal on the drawing with Ps.

The paper passes through the closed loop toning system and takes time to reach the cutter 8 position, so P
After waiting for the certain period of time at s, the count value of the sensor 6 is examined. P? until the count value at this time reaches the specified count value, which is the sum of the drawing length and the above-mentioned fixed time? ,
I try to wait at Pa.

Now, after sending the motor stop signal (Ps), confirm that the motor 5 has stopped and there is no increase in the count value of the sensor 6 (
Plo) and then sends a drive signal to the cutter drive mechanism 7 (Pi). If the set number of sheets has not been reached,
Return to Pa.

〔Effect of the invention〕

As described above in detail, according to the present invention, rolled electrostatic paper can be cut to a required length depending on the content to be drawn. It is useful for simplifying drawings of various dimensions because it can be cut accurately without any manual effort. Furthermore, even when the number of sheets is large, the cutting position is constant, so the drawings will not be misaligned, and there will be fewer problems in document storage.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a conceptual block diagram of the present invention, FIG. 2 is a layout diagram of each component of the present invention, and FIG. 3 is a flowchart of a processor program. 1... Drawing information input means, 2... Memory, 3...
- Processor, 4... Feeding mechanism, 5... Motor, 6... Sensor, 7... Cutter drive mechanism, 8... Cutter, 10... Paper, 1
1... Electrostatic recording section, 12... Cutting section, 13
···tray.

Claims (1)

[Claims] A sensor that generates and counts pulses proportional to the motor rotation speed of a feed mechanism for continuous paper, and drawing information including the number of pulse counts detected by the sensor and the length of the paper, determine the cutting point of the continuous paper, and An electrostatic plotter with a cutter, comprising: means for generating a motor stop signal; and means for operating a cutter drive mechanism after detecting stoppage of the motor with the sensor.