JPS62116172A - Printer - Google Patents

Abstract

PURPOSE:To enable a printer to print information free of distortion on objects to be printed which have various shapes, by printing on the object to be printed disposed on the outside of a main body of the printer, taking into account the velocity at which the main body is moved. CONSTITUTION:A main body 2 of a printer is so placed that wheels 11 are located on an object P to be printed. When the main body 2 is moved, the wheels 11 roll on the object P, and the rotation of the wheels 11 is transmitted to a slitted disk 16. A photosensor 17 detects the velocity of the main body 2 as the rotational frequency of the disk 16. A signal detected by the photosensor 17 is inputted to a PCB unit 7. The unit 7 analyzes information sent from a computer apparatus, and outputs a printing signal to a wire dot head 5 at a speed according to the signal inputted from the photosensor 7. With the printing signal outputted to the head 5, wires of the head 5 are driven by a battery 8, and the information sent from the computer is printed on the object P through a ribbon disposed in a lower opening 4 of a casing 3.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a printer that prints information such as characters and graphics, and particularly relates to a printer that prints on printed matter located outside the printer body.

(Prior Art) A conventional printer has a carriage that can move back and forth from side to side in the printer body, a print head is mounted on this carriage, a platen is provided in the printer body to face the print head, and a Printing was performed using a print head on printing paper fed in by a tractor or the like.

[Problem that the invention seeks to solve]

However, in the conventional printers mentioned above, printing is performed inside the printer itself on the printing paper that passes through the printer body, so there is a natural limit to the size of the printing paper, and even more so when it comes to printing three-dimensional shapes. had the problem that it was not possible to print.

The present invention aims to overcome the problems of the conventional printers described above and to provide a printer that can freely print characters, graphics, etc. on large-sized printing paper and three-dimensionally shaped printed materials. There is.

[Means for solving problems]

In the present invention, a print head facing the printed material is attached to a printer body which is movable over the printed material by rotating wheels, and a speed signal from a sensor detects the moving speed of the printer main body based on the rotation of the wheels. is input into the PCB unit and converted into a print signal for the print head, and the print head is driven based on this print signal.

[For production]

According to the present invention, by holding a light printer body that does not have a built-in motor in your hand and moving it by moving the wheels over the printed material, the external Since the print head can print on printed matter, it is possible to print information such as characters and graphics without distortion on printed matter of various shapes.

〔Example〕

The present invention will be explained below with reference to embodiments shown in the drawings.

1 and 2 show an embodiment of a printer 1 according to the present invention. The printer body 2 of the printer 1 is equipped with a plastic casing 3, and this casing ``3'' has a funnel-shaped bottom. A lower opening 4 is formed at the lower end thereof.

A wire dot head 5 as an example of a print head is disposed in the lower part of the casing 3, and the wire dot head 5 includes a plurality of wires 6, 6 whose lower ends face into the lower opening 4. ... are arranged so as to be able to move forward and backward in the vertical direction. Inside the casing 3, a PCB (printed circuit board) unit 7 that outputs a print signal to the wire dot head 5, and a 20V battery 8 as an example for supplying electric power to drive the wire dot head 5 are disposed. The PCB unit 7 is connected to the interface 7.
It is connected to external computer equipment such as a personal computer (not shown) via the eighth connector 9.

In the lower part of the casing 3, a horizontally extending iron rotating shaft 1o is rotatably supported by a bearing (not shown). A wheel 11 with a diameter of about 30 m is fitted. The lower end of this wheel 11 is approximately at the same height as the lower end of the casing 3. Further, a pulley 12 made of resin and having a diameter of about 20Il11 is fitted into the rotating ring 10, and on the other hand, inside the casing 3 above the rotating shaft 10, there is an iron rotating shaft extending in the horizontal direction. 13 is rotatably supported by a bearing (not shown), and a pulley 14 made of resin and having a diameter of about 10jiII is fitted onto this rotating shaft 13. A rubber belt 15 is wound around both pulleys 12 and 14, so that the rotation of the rotating wheel 10 is transmitted to the rotating shaft 13.

A slit plate 16 in which a large number of slits are formed in the radial direction is fitted onto the rotating shaft 13, and a slit plate 16, which senses the slits in the slit plate 16, is installed near the slit plate 16 to control the rotation of the slit plate 16. Photo sensor 17 that detects the number
is installed. The signal of the rotation speed of the slit plate 16 detected by this photosensor 17, that is, the printer main body 2
The signal of the moving speed is output to the PCB unit 7,
The signal is converted into a print signal for the wire dot head 5 in the PCB unit 7, so that distortion-free printing can be performed depending on the moving speed. Therefore, when the moving speed of the printer main body 2 is fast, the print signal is outputted from the PCB unit 7 to the wire dot head 5 at a fast speed, and
When the moving speed of the printer main body 2 is slow, the print signal will be output at a slow speed.

A recess 18 extending laterally is formed in the vertically intermediate portion of the casing 3, and a ribbon cassette 19, which will be described later, can be mounted in the recess 18.

Further, a resin pulley 20 having a plurality of gear-shaped protrusions surrounding the rotary ring 10 is fitted, and a pulley 20 extending horizontally is provided at the same vertical position as the recess 18. A rotating shaft 21 made of resin is rotatably supported by a bearing (not shown), and a pulley 22 made of resin and having a plurality of gear-shaped protrusions around the rotating shaft 21 is also fitted. A rubber timing belt 2 is attached to both of these pulleys 20 and 22.
3 is wound so that the rotation of the rotating shaft 10 is transmitted to the rotating shaft 21. The rotary ring 21 also has a gear 2 made of resin whose tip protrudes into the recess 18.
4 is provided protrudingly.

3 and 4 show a ribbon cassette 19 installed in the recess 18, and the ribbon cassette 19 has a substantially horseshoe shape as a whole, and its upper end fits into the four parts 18, The gear 24 is inserted into the ribbon cassette 19 to feed the ribbon 25. This ribbon 25 passes through a groove 26 formed at the lower end of the casing 3 and faces into the lower opening 4.

Next, the operation of the above-described embodiment will be explained.

The lower opening 4 of the casing 3 and the wheel 1 are placed on the printed matter P.
Place the printer main body 2 so that the wheels 11
When the printer main body 2 is moved in a direction in which transfer is possible, the wheels 11 roll on the printed material P, and the rotation of the wheels 11 is caused by the rotation shaft 10, the pulley 12, the belt 15, the pulley 14, and the rotation @13. The signal is transmitted to the slit plate 16, and the slit plate 16 is driven to rotate. Then, this slit plate 1
A photosensor 17 disposed near the rotating slit plate 16 detects a slit (not shown) in the rotating slit plate 16,
The moving speed of the printer main body 2 is detected as the rotational speed of the slit plate 16. The signal detected by this photosensor 17 is input to the PCB unit 7.

On the other hand, character information, graphic information, etc. from a computer device such as a personal computer (not shown) are input to this PCB unit 7 via an interface connector 9, and the PCB unit 7 analyzes the information from the computer device and uses it as a photo sensor. A print signal is output to the wire dot head 5 at a speed corresponding to the signal input from the wire dot head 17. Further, the rotation of the wheel 11 is caused by a rotating shaft 10. Pulley 2
0 is transmitted to the ribbon 25 via the timing belt 23, pulley 22, rotating shaft 21 and gear 24, and the ribbon 2
5 is run, so when a print signal is output from the PCB unit 7 to the wire dot head 5, the battery 8
As a result, the wire 6 of the wire dot head 5 is driven, and information from the computer equipment is printed on the printed matter P by the ribbon 25 facing into the lower opening 4 of the casing 3.

As described above, according to this embodiment, since printing is performed while moving the printer body 2 along the printed object P located outside the printer main body 2, it is not limited to the size or shape of the printed object P, and various It is possible to print on a printed matter P of. Further, since information such as characters and graphics printed on the printed matter P is printed according to the moving speed of the printer main body 2, distortion does not occur in the characters printed on the printed matter P.

In the above-described embodiments, the print head is described as a wire dot head 5, but other types of print heads such as a discharge destruction type and a thermal type are also applicable.

〔Effect of the invention〕

As explained above, according to the present invention, it is possible to print on a printed object located outside the printer body while taking into consideration the moving speed of the printer body, so information can be printed without distortion on printed objects of various shapes. It has the excellent effect of being able to print.

[Brief explanation of drawings]

FIG. 1 is a t11 sectional front view of the printer main body showing an embodiment of the printer according to the present invention, FIG. 2 is a right side view of FIG. 1,
FIGS. 3 and 4 are a left side view and a back view of the printer main body with the ribbon cassette attached. 1... Printer, 2... Printer body, 3... Casing, 5... Wire dot head, 7... PC
B unit, 8... Battery, 9... Inter 7 Eighth Connector, 11... Wheel, 15... Belt, 1
6... Slit plate, 17... Photo sensor, 19.
...Ribbon cassette, 23...Timing belt, 2
4...Gear, P...Printed matter. Figure 1 Figure 2
Figure 3 Figure 4

Claims (1)

[Claims] 1) A print head facing the printed material is attached to a printer main body which is movable over the printed material by rolling wheels, and the moving speed of the printer main body is detected based on the rotation of the wheels. A printer characterized in that a speed signal from a sensor is input to a PCB unit and converted into a print signal for a print head, and the print head is driven based on this print signal. 2) The printer according to claim 1, wherein the print head is driven by a battery installed in the printer main body. 3) The printer according to claim 1 or 2, wherein the sensor is a photo sensor that detects an opening formed in a disk that rotates as the wheel rotates.