JPH03112699A - Controlling method for paper-driving type automatic drafting machine - Google Patents

Abstract

PURPOSE:To enable starting drawing in a state, where a machine-glazed paper sufficiently adapts itself to the outside air, to obtain satisfactory drawing results by setting a drawing stand-by state for a predetermined period of time for the purpose of contriving to stabilize a paper before drawing is started. CONSTITUTION:The paper stabilization time-setting key of a control panel 26 is operat ed to set a time required for the stabilization of paper according to the kind of a machine-glazed paper to be used. A controller stores the value of the paper stabiliza tion time in a backup memory to complete a set-up program. When the controller judges that the machine-glazed paper is being used, the controller supplies a predeter mined amount of the machine-glazed paper 24 from the roll part 24a onto a platen 2 by the rotation of a driving roller 8 and paper supply shaft 20 so that a new drawing face required for drawing hangs down by the dead load in front of a machine 4. A drawing stand-by state is started when setting of the paper stabilization time is judged to exist. When counting-up of the set time for paper stabilization is judged to have ended, a drawing start program is started, but when the counting-up is judged not to have ended, the time being counted up is indicated in the display part 30 of the control panel 26.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a control method for paper stabilization in a paper-driven automatic drafting machine using roll paper.

[Conventional technology]

With this type of automatic drawing machine, when starting drawing.

First, a predetermined amount of roll paper is pulled out from the roll paper roll section on the supply side onto the platen, and after a new drawing surface of the roll paper is sent out to the front of the machine, the printing state is immediately entered.

[Problem that the invention seeks to solve]

When drawing using roll paper, if you draw the roll paper on the supply side to the front of the machine and then draw immediately, the roll paper will not adjust to the room air and will expand and contract, resulting in poor drawing results. The object of the present invention is to eliminate the above-mentioned defects.

[Means to solve problems]

In order to achieve the above object, the present invention feeds the unrolled portion of the roll paper in the longitudinal direction of the machine body on the platen by rotation of a drive roller, while sending the pen head in a direction perpendicular to the feeding direction of the unrolled portion of the roll paper. In the paper-driven automatic drafting machine that performs a predetermined side drawing on the roll paper roll portion on the platen, before starting drawing, a predetermined amount of roll paper is fed out from the roll paper roll portion onto the platen;
Thereafter, drawing is waited for a predetermined amount of time until the roll paper becomes stable, and after the elapse of this time, drawing is started.

〔Example〕

The structure of the present invention will be described in detail below with reference to embodiments shown in the accompanying drawings.

Reference numeral 2 denotes a platen fixed to the body 4 of the paper-driven automatic drafting machine, and a drawing roller 6 is rotatably arranged in a groove fixed in the width direction of the platen, and a drawing roller 6 is arranged adjacent to and parallel to the groove. A drive roller 8 is rotatably arranged in the groove. The rollers 6.8 are rotatably supported by a bracket fixed to the machine body 4, and the rollers 6.8 are driven by an It's linked. 10 is a presser roller, and the drive roller 8
is pressed against by the elasticity of the spring. A Y rail 12 is fixedly installed between both sides of the body 4.

A pen head 14 is movably attached along the Y rail 12. A pen holder 16 linked to a lifting mechanism built into the pen head 14 holds a writing instrument 18 in a detachable manner. The pen head 14 is configured to be controlled to move along the Y rail 12 by driving a Y motor. A paper supply shaft 20 and a paper take-up shaft 22 are rotatably arranged in the machine body 4 in conjunction with a motor, respectively, and a roll portion 24a of a roll paper 24 is detachably attached to the paper supply shaft 20. Supported. A portion of the roll paper 24 fed out from the roll portion 24a is configured to pass over the platen 2, between the drive roller 8 and the presser roller 10, and then be wound onto the paper winding shaft 22. The body 4 has a built-in controller consisting of a computer, and the controller includes the XY motor, a lifting mechanism for the pen head 14, paper supply,
A motor driving the winding shaft 20.22 is connected.

These devices are configured to be controlled by a controller. The aircraft body 4 is provided with an operation panel 26 connected to a controller. A paper stabilization time setting key is arranged on the operation panel 26. In Figure 3, 28
is a host computer that transfers drawing data and various drawing commands to the controller of the automatic drawing machine.

Next, the operation of this embodiment will be explained with reference to the flowcharts of FIGS. 1 and 2.

First, the setup program for setting the paper stabilization time is entered from label 1 in FIG. The operator operates the paper stabilization time setting key on the operation panel 26 to set the paper stabilization time in the range of about 1 minute to 50 minutes, depending on the type of roll paper used. Block 2) 0 Next, the controller is in block 3 of FIG.
The start of one printing operation, which stores the paper stabilization time value in the backup memory and completes the setup program, begins at label 1 in FIG. First, the controller determines whether or not roll paper is being used in determination block 2. If the controller determines in the affirmative, in block 3, as shown in FIG. 24 from the roll part 24a by a predetermined amount onto the platen 2, and a new drawing surface necessary for drawing hangs down in front of the machine body 4 due to its own weight.
Then, it is determined whether or not there is a paper stabilization time setting, and if the determination is affirmative, the printer enters a printing standby state. In the drawing standby state, the controller judges in decision block 5 whether or not the count-up of the set time for paper stabilization has ended. If the controller makes a negative determination in decision block 5, then in block 6 the controller displays the counting-up time on the display section 30 of the operation panel 26. Next, the controller determines whether or not there is a request to reset the time count in decision block 7. If the controller determines in the affirmative, in block 9, a reset display is displayed on the display section, and then the drawing start program is entered from label 10. If a negative determination is made in decision block 7, the controller executes any other processing operations requested in block 8, and returns to decision block 5.

In this embodiment, the wait time for paper stabilization is set in the controller on the automatic drafting machine side, but the wait time for paper stabilization may be set on the host computer side.

〔effect〕

In the present invention, as described above, the drawing standby state is set for a predetermined time in order to stabilize the paper before starting one drawing, so drawing can be started when the roll paper is sufficiently absorbed in the outside air. There is an effect that good drawing results can be obtained.

[Brief explanation of drawings]

FIG. 1 is a flowchart, FIG. 2 is a flowchart, FIG. 3 is an external view, FIG. 4 is an explanatory diagram, and FIG. 5 is an explanatory diagram. 2... Platen, 4... Machine body, 6... Printing roller, 8... Drive roller, 10... Presser roller, 12...
... Y rail, 14... Pen head, 16... Pen holder 18... Writing instrument, 20... Paper supply shaft, 2
2...Paper winding shaft, 24...Roll paper, 26.
...Operation panel, 30...Display section. Diagram

Claims (1)

[Claims] (1) The roll paper is sent forward and backward on the platen by the rotation of the drive roller, while the pen head is sent in a direction perpendicular to the feeding direction of the roll paper roll to feed the roll paper on the platen. In a paper-driven automatic drawing machine that draws a predetermined drawing on a set, before starting drawing, a predetermined amount of roll paper is fed from the roll section onto a platen, and then a predetermined amount of roll paper is fed out onto the platen. A control method characterized in that drawing is on standby for a period of time until the paper is stabilized, and drawing is started after the elapse of the time.