JPH0318189Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Technical Field> The present invention includes a carriage equipped with a printing wheel carrying type on the outer periphery of each spoke forming the wheel, and movement of the carriage along a printing line and movement of the printing wheel as desired. This invention relates to a daisy wheel type printer that sequentially performs recording by controlling the rotation of printed characters to a printing position.

<Prior Art> The above-mentioned daisy wheel type printer is well known and is currently in wide use as described in, for example, Japanese Patent Publication No. 56-8388 and Japanese Patent Application Laid-open No. 51-25931.

This type of printer is equipped with a print wheel 31 as shown in FIG. That is, it has a large number of spokes 32, 32... of substantially the same shape, each spoke 32, 32... extending radially from a central hub 33;
Type characters 34 are supported on the outer peripheral ends of the letters 2 and 2. These printed characters include uppercase and lowercase English letters, numbers, and symbols.

The printing wheel 31 is connected to a rotating shaft of a drive motor 35 mounted on a carriage, as shown in FIG. 4, and is rotationally driven by the motor 35. That is, the printing wheel 31 is controlled to rotate by the motor 35 so that the desired type 34 to be printed is positioned at the printing position where the platen 36 and the hammer 37 correspond.

Then, the hammer 37 pushes the back side of the type 34 in the printing position toward the platen 36, and the type 34 is stamped onto the recording paper 38 placed in front of the platen 36 via the ink ribbon 39, thereby recording. It is something to do. In such a printer, by replacing the printing wheel 31, it is possible to record in various fonts such as italic and gothic.

Nowadays, printers are required to be multi-functional. For example, there are times when it is desired to record simple figures or graphs along with text, and for this reason, a printer that can record such figures or graphs is desired. ing.

However, although the above-mentioned daisy wheel type printer can record in various fonts, it is not possible to record figures or graphs.

<Purpose> The present invention is a printer equipped with a printing wheel as described above, in which, in addition to the printing wheel, a recording means for recording figures, graphs, etc. can be replaced with the printing wheel by adding a unique device. It can be equipped to record figures, graphs, etc.

Embodiment FIG. 1 shows the configuration of the main parts of a printer according to the present invention, and particularly shows the printer equipped with a recording means for recording figures, graphs, etc. with the print wheel removed. FIG. 2 shows a front view of the recording means.

First, in FIG. 1, 1 is a printing wheel motor mounted on a carriage, and 4 is a hammer means mounted on a carriage.

Both the printing wheel motor 1 and the hammer means 4 are supported by a frame 6 of the carriage, and the rotation shaft 2 of the printing wheel motor 1 projects from the frame 6 toward the platen 7 side. A wheel support 3 is supported on this rotating shaft 2, and this wheel support 3
is provided with a protruding pin 3A that engages with the print wheel.

The printing wheel has the same shape as the above-mentioned conventional printing wheel (see Fig. 3), and the rotary shaft 2 is inserted through the central shaft hole of this printing wheel.
Further, the protruding pin 3A is fitted into a hole formed in the central hub of the printing wheel, and the printing wheel is mounted on the rotating shaft 2 of the printing wheel motor 1. Further, the printing wheel is detachably attached to the rotating shaft 2.

On the other hand, in the hammer means 4, the hammer plunger 5 is positioned so as to protrude toward the platen 7 through the frame 6, and when the hammer means 4 is energized, the hammer plunger 5 protrudes toward the platen 7.
Predetermined characters on a printing wheel at a printing position are pressed and recorded on a recording paper 8 placed in front of a platen 7 via an ink ribbon.

Note that FIG. 1 shows a state in which the printing wheel and ink ribbon have been removed, and it should be understood that normal printing operations are performed in the same manner as in the past.

In FIG. 1, the plotter recording means 10 is equipped with a plotter recording means 10 for recording figures, graphs, etc. by removing the print wheel.
0 mainly includes the support arm 11 and the pen holder shaft 12.
It is composed of a pen holder 13, a plotter pen 14, and a presser spring 18.

That is, the support arm 11 that integrally supports the pen holder 13 is formed with an inverted L shape in cross section, and the frame 6
Frame 6 on which hammer means 4 is located from the top surface of
mounted on the front of the The upper piece 11A of this support arm 11 is placed on the hammer means 4 while being locked by appropriate locking means (not particularly shown).
Hammer cover 1 made of an elastic member is installed on the inner surface of 1A.
1B is installed. Further, an opening 11D is formed in the hanging piece 11C of the support arm 11 in correspondence with the hammer plunger 5 of the hammer means 4, through which the hammer plunger 5 is inserted. has been planted.

On the other hand, the pen holder 13 is rotatably supported by the pen holder shaft 12 with this centrally resting part, and as is clear in FIG. Here are three plotter pens 14A, 14B, 1
4C is arranged on the circumference of a circle A centered on the shaft support of the pen holder 13. The lower end of the pen holder 13 is formed into a forked portion 13C, and the forked portion 13C is engaged with a protruding pin 3A of a wheel receiver 3 attached to the rotating shaft 2.

The protruding pin 3A of the wheel holder 3 is held at a predetermined position, and when the forked portion 13C of the pen holder 13 is engaged with the protruding pin 13A, the center of the three plotter pens on the upper support portion 13A is The pen 14B is configured to correspond to the printing position.

Note that the printing wheel motor 1 is energized so that the rotary shaft 2 does not rotate freely, and holds the protruding pin 3A at a predetermined position. Further, when a predetermined rotation instruction is given to the motor 1 and the motor 1 rotates by a predetermined amount clockwise in FIG. When the motor 1 rotates a predetermined amount counterclockwise in response to
C corresponds to the printing position.

The above-mentioned printer pens 14A to 14C have pen nibs (15A to 15C) and engagement rings (16A to 14C).
~16C) Ink cartridge 17A~
17C), and the rear ends of the pen nibs 15A to 15C are inserted into the ink cartridge via an engagement ring.

Further, the support portion 13A of the pen holder 13 is formed with holes 13B, through which the ink cartridges 17A to 17C can be inserted.
Insert the ink cartridges 17A to 17C into the holes 13B, . . . from the front of the support portion 13A, and lock the ink cartridges 14C into the green holes 13B with the engagement rings 16A to 16C, so that the pen tips 15A to 15C protrude toward the platen 7. I'm letting you do it.

The plotter pens 14A to 14C are held by a presser spring 18 attached to the front surface of the support portion 13A.

The lower end of the presser spring 18 is attached to the support portion 13A, and the upper end is branched into a three-pronged branch piece 18.
A, 18B, 18C are formed, and grooves 18a, 18C are formed at the tips of each branch piece 18A, 18B, 18C.
8b and 18c are formed.

Each of the branch pieces 18A to 18C corresponds to a plotter pen 14A to 14C. For example, the pen tip 15A is fitted into the groove 18a of the branch piece 18A, and the engagement ring 16A is urged in the direction of the support portion 13A by the branch piece 18A. The printer pen 14A is held in the hole 13B of the support portion 13A. Similarly, branch pieces 18B, 18 for plotter pens 14B, 14C
It is held by C.

These three plotter pens 14A to 14C are pens of different colors, for example, black,
Cartridge 17 contains red, green or blue ink.
It is held at A to 17C.

The plotter pen described above can be used for thick lines, thin lines, etc. by changing the wire diameters, and can also be used for line types such as pencils, ballpoint pens, felt-tipped pens, etc.

Next, to explain the operation of the printer shown in FIG. 1, the relationship between the lower end fork 13C of the pen holder 13 and the protruding pin 3A of the wheel receiver 3 attached to the rotating shaft 2 is as shown in FIG. In this state, the central plotter pen 14B held in the pen holder 13 corresponds to the printing position.

When the hammer means 4 is driven, the hammer plunger 5 projects toward the pen holder 13 and presses the ink cartridge 17B of the plotter pen 14B at the printing position from behind. Then, the plotter pen 14B is moved forward against the presser spring 18, and the pen plots on the recording paper 8 positioned in front of the platen 7.

By moving the carriage in this state, a horizontal line can be drawn, and by rotating the platen 7 forward and backward, graphs and figures can be recorded as appropriate by moving the recording paper 8 and the carriage.

Further, by controlling the rotation of the motor 1 and selecting the plotter pen 14A or 14C to change the color, colored graphs, figures, etc. can be recorded.

Next, when graphs do not include figures or the like, normal printing can be performed by removing the plotter recording means 10 from the carriage and attaching a printing wheel to the rotating shaft 2 of the motor 1.

<Effects> As described above, in the present invention, in a daisy wheel type printer, a plotter recording means equipped with a pen for recording figures, graphs, etc. is used in addition to the ordinary printing wheel. This device is equipped on a carriage instead of a wheel so that it can record figures, graphs, etc., and it is possible to draw figures, graphs, etc. with the daisy wheel type printer by a simple means, and the printer's It can support multi-functionality.

Furthermore, by equipping the device with a plurality of pens of different colors as recording means, it is also possible to draw color figures, color graphs, etc.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing the main part configuration of a printer according to the present invention, FIG. 2 is a front view of the pen holder shown in FIG. 1, and FIG. 3 is a diagram showing a conventional printing wheel.
FIG. 4 is a diagram showing a schematic configuration of a printer equipped with a print wheel. 1: Printing wheel motor, 2: Rotating shaft, 4: Hammer means, 5: Hammer plunger, 6: Frame, 7: Platen, 8: Recording paper, 10: Printer recording means, 11: Support arm, 13: Pen holder, 14: Prozterpen.

Claims (1)

[Claims for Utility Model Registration] 1. A carriage is provided with a printing wheel carrying type on the outer periphery of each spoke forming the wheel, and the carriage is moved along a printing line and the desired type carried by the printing wheel is printed. In a printer that performs recording sequentially while making marks with a hammer by controlling rotation to a position, a fixed support means is provided on the frame of the cartridge in a removable manner, and the fixed support means is positioned in the direction of the mark of the hammer and is positioned in response to the operation of the hammer. 1. A printer according to claim 1, wherein a plotter recording means constituted by a plotter pen formed to be slidable on the printer can be attached after the print wheel of the carriage is detached. 2. The plotter recording means is composed of a pen holder that supports a plurality of plotter pens, and the pen holder is movably formed by providing a fulcrum on the fixed support means, and the pen holder is moved by the rotation means of the printing wheel. , a printer according to claim 1 of the utility model registration claim, characterized in that a printer pen is selectable.