JPH0717281B2 - Printer device - Google Patents

Description

The present invention relates to a printer device such as a color printer.

[Conventional technology]

Conventionally, in a printer device for recording an image, a thermal head is pressed against a recording paper via a thermal transferable ink sheet wound in a roll, and a heating element provided on the thermal head is selectively energized to perform image recording. For example, as shown in JP-A-60-87067, recording paper is fed and ejected from the front of the housing, and ink cartridges are exchanged from the top of the housing. As shown in Japanese Patent No. 94367, the recording paper is fed and discharged from the front surface or the top surface of the housing, and the ink cartridge is replaced from the side surface of the housing.

[Problems to be solved by the invention]

In recent years, there has been an increasing demand that the printer device is used not only on a desk or a table but on a shelf or a rack for storing the device together with other devices or alone. Further, even when the printer device is installed on a desk or a table, there is a demand to install another device on the printer device for use.

However, in the above-described printer device, recording paper is fed and discharged and ink cartridges are replaced from two or more surfaces of the housing, so that the printer device is installed in a rack or a rack for storing equipment or on the printer device. When another device is installed in the apparatus, it may be difficult or impossible to supply and discharge the recording paper and replace the ink cartridge.

The present invention has been made to solve the above-mentioned problems, and when installed in a shelf or rack for storing equipment, or when other equipment is installed on the printer,
An object of the present invention is to provide a printer device capable of easily supplying / discharging recording paper and exchanging a color material replenishing member, and a printer device capable of easily supplying / discharging recording paper.

[Means for solving problems]

To achieve this object, in the first aspect of the invention, a printing mechanism for printing on a recording sheet, a paper feed mechanism for transporting the recording sheet to the printing mechanism, and a roller for transporting the recording sheet in the printing mechanism. In a printer device having a paper transport mechanism, a paper discharge mechanism for transporting the recording paper from the printing mechanism, and a color material replenishment guide member for guiding the color material replenishment member of the print mechanism into the housing, A paper feed tray guide member for guiding a paper feed tray containing paper to the entrance of the paper feed mechanism in the housing is provided, and a paper ejection tray is provided at the exit of the paper ejection mechanism. Ejection means for ejecting the recording paper to the outside of the housing is provided, and the insertion direction of the paper feed tray, the insertion direction of the color material replenishing member, the direction of ejecting the recording paper from the paper ejection tray to the outside of the housing, and Roller rotation To substantially parallel the heart line.

Further, according to the second aspect of the invention, a printing mechanism that prints on the recording paper, and a paper feed mechanism that conveys the recording paper to the printing mechanism,
In a printer device having a paper transport mechanism for transporting the recording paper by a roller in the printing mechanism, and a paper discharge mechanism for transporting the recording paper from the printing mechanism, a paper feed tray storing the recording paper is A paper feed tray guide member for guiding to the entrance of the paper feed mechanism in the housing is provided, a paper ejection tray is provided at the exit of the paper ejection mechanism, and the recording paper is ejected from the paper ejection tray to the outside of the housing. Ejecting means is provided so that the direction of inserting the paper feed tray, the direction of ejecting the recording paper from the paper ejection tray to the outside of the housing, and the rotation center line of the roller are substantially parallel.

[Action]

In the printer device according to the first aspect of the present invention, recording paper can be fed and discharged and the color material replenishing member can be replaced on the same surface of the housing.

Further, in the printer device according to the second aspect of the invention, recording paper can be fed and ejected on the same surface of the housing.

〔Example〕

FIG. 1 is a schematic plan view showing a part of a printer device according to the present invention, FIG. 2 is a schematic front view of the same, and FIG.
FIG. 4 is a perspective view showing a part of the printer device shown in FIG.
The figure is a schematic perspective view showing the entire printer apparatus shown in FIGS. In the figure, 52 is a housing, 52a is a housing 5
2, the front face of 20, a mechanism chassis 20 provided in the housing 52, 51 a tray guide fixed to the mechanism chassis 1, 1 a paper feed tray, 3 a recording paper housed in the paper feed tray 1, 50 Is a fitting member attached to the lower part of the paper feed tray 1.
50 is fitted in the tray guide 51, and the tray guide 51 constitutes a paper feed tray guide member. 1a is the paper feed tray 1
The notch 2 provided in the upper part of the push-up plate 2 is a rear end 2a of the push-up plate 2.
Is rotatably attached to the paper feed tray 1. 4 is a push-up lever for rotating the push-up plate 2, 4a is a shaft of the push-up lever 4, and the push-up lever 4 is rotated about the shaft 4a in the direction of arrow A by a link mechanism (not shown). 5 is a paper feeding belt device attached to the mechanism chassis 20, the paper feeding belt device 5 is driven in the direction of arrow B by a drive mechanism (not shown), and the surface of the belt of the paper feeding belt device 5 is made of rubber or the like. It is covered with high friction material. Reference numeral 6 denotes a double feed preventing member attached to the mechanism chassis 20, the surface of the double feed preventing member 6 is made of a high friction material, and the double feed preventing member 6 is pressed against the belt of the sheet feeding belt device 5. Reference numerals 7a and 7b are parallel plates attached to the mechanism chassis 20, and the parallel plates 7a and 7b constitute a paper feed guide 7. The push-up lever 4, the paper feeding belt device 5, the double feed preventing member 6, the paper feeding guide 7 and the like constitute a paper feeding mechanism. 10 is a platen drum attached to the mechanism chassis 20, 10a is the shaft of the platen drum 10, and the platen drum 10 is rotated in the direction of arrow C by a rotating mechanism (not shown) about the shaft 10a, and the platen drum 10 The surface is covered with a material having high friction and elasticity such as rubber. twenty one,
Reference numeral 22 denotes a supply shaft and a take-up shaft supported by the mechanism chassis 20, and a brake mechanism (not shown) is connected to the supply shaft 21.
A winding mechanism (not shown) is connected to the winding shaft 22.
14 is an ink cartridge, 12 and 13 are ink cartridges
A supply-side reel and a take-up side reel rotatably housed in 14 and 11 are ink sheets wound around the supply-side reel 12 and the take-up reel 13. The ink sheet 11 has three different color thermal transfer properties. Are sequentially applied to each outer peripheral length of the platen drum 10, and the ink sheet 11, the supply-side reel 12, the winding-side reel 13, and the ink cartridge 14 constitute a color material replenishing member. Supply shaft when the ink cartridge 14 is installed
The supply reel 12 and the take-up reel 13 are engaged with the take-up shaft 22 and the take-up shaft 22. Reference numeral 15 is a heat-sensitive line head attached to the mechanism chassis 20. The heat-sensitive line head 15 is pressed against the platen drum 10 via the ink sheet 11, and ink is supplied in response to a print signal from a print signal source (not shown). Heat the sheet 11. Reference numeral 16 denotes a peeling roller rotatably attached to the mechanism chassis 20. The peeling roller 16 is provided at the tip of the thermal line head 15 and also the platen drum 10
Being pressed against. Then, the platen drum 10, the supply shaft
21, the winding shaft 22, the ink cartridge 14, the heat-sensitive line head 15 and the like constitute a printing mechanism. Reference numeral 71 is a cartridge guide attached to the mechanism chassis 20, and the ink cartridge 14 can be attached to and detached from the cartridge guide 71 along the direction of arrow D in FIG. 1. The cartridge guide 71 constitutes a color material replenishing guide member. ing. Reference numeral 30 denotes a first roller attached to the mechanism chassis 20. The first roller 30 is provided in the vicinity of the exit of the paper feed guide 7, and is pressed against the platen drum 10 by a holding means (not shown) such as a leaf spring. Therefore, the first roller 30 rotates as the platen drum 10 rotates. 31 is a conveyance guide attached to the mechanism chassis 20, the conveyance guide 31 is provided around the platen drum 10, and both ends of the conveyance guide 31 are in the vicinity of the first roller 30.
The ink sheet 11 is located in the vicinity of the position in contact with the platen drum 10, and the distance between the transport guide 31 and the platen drum 10 is set to a constant value that is several times the thickness of the recording paper 3. 32 and 33 are the second and third attached to the mechanism chassis 20.
Of the rollers, the second roller 32 is provided substantially at the center of the conveyance guide 31, and the third roller 33 is provided near the end of the conveyance guide 31 on the opposite side to the first roller 30. The roller 32 and the third roller 33 are pressed against the platen drum 10 by holding means (not shown) such as a leaf spring, and the second roller 32 and the third roller 33 rotate as the platen drum 10 rotates. 34 is a separation guide rotatably attached to the mechanism chassis 20, 34a is a shaft of the separation guide 34, and the separation guide 34 is rotated by a link mechanism (not shown) about the shaft 34a, and is indicated by a solid line. There are two positions, the paper position and the printing position indicated by the chain double-dashed line, and the part of the separation guide 34 facing the platen drum 10 has a shape along the outer periphery of the platen drum 10, and the upper surface of the separation guide 34 is the discharge guide. It has a shape that smoothly contacts 42 (described later). The first roller 30, the transport guide 31, the second roller 32, the third roller 33, the separation guide 34, and the like constitute a paper transport mechanism. Reference numeral 40 denotes a sheet discharge tray attached to the mechanism chassis 20, and the sheet discharge tray 40 is provided almost directly above the sheet feed tray 1. Reference numeral 43 is a roof part attached to the upper portion of the paper discharge tray 40, 41a and 41b are a pair of paper discharge rollers provided at the entrance of the paper discharge tray 40, and the paper discharge rollers 41a and 41b are pressed against each other while rotating ( (Not shown), it is rotated in the directions of arrows Fa and Fb. 42a and 42b are parallel plates attached to the mechanism chassis 20.
Constitutes a paper ejection guide 42, and the paper ejection guide 42 is located between the peeling roller 16 and the paper ejection rollers 41a and 41b. The end of the paper ejection guide 42 on the peeling roller 16 side is a platen. It is an angle that makes a smooth contact with the drum 10. The paper ejection tray 40, the paper ejection rollers 41a and 41b, the paper ejection guide 42, and the like constitute a paper ejection mechanism. 40a is the floor of the discharge tray 40, 45 is an oval hole provided in the floor 40a, 46
Is a shaft rotated in the direction of arrow L by a rotating means (not shown), and 47 is a discharge roller attached to the shaft 46. The discharge roller 47 has a central portion whose diameter is larger than the diameters of both ends thereof. The central part of the is slightly projected from the hole 45. 48 is an auxiliary arm provided on the upper part of the paper discharge tray 40, 48a is an axis of the auxiliary arm 48, and the auxiliary arm 48 is between a position shown by a solid line and a position shown by a chain double-dashed line by a link mechanism (not shown). Is rotated by. Reference numeral 49 is an auxiliary roller rotatably attached to the tip of the auxiliary arm 48, and the auxiliary roller 49 contacts the discharge roller 47 when the auxiliary arm 48 is at the position shown by the solid line. A receiving tray 70 is attached to the front surface 52a of the housing 52, and the receiving tray 70 is located near the exit of the paper discharge tray 40. Then, the discharging roller 47, the auxiliary arm 48, the auxiliary roller 49, etc. constitute a discharging means. Then, the insertion direction of the paper feed tray 1, the insertion direction of the color material replenishing member, and the paper discharge tray 40.
The direction in which the recording paper 3 is discharged to the outside of the housing 52 and the rotation center lines of the first to third rollers 30, 32, 33 are substantially parallel to each other.

In this printer, after the recording paper 3 is stored in the paper feed tray 1, the fitting member 50 is fitted to the tray guide 51, and the paper feed tray 1 is inserted in the mechanism chassis 20 in the arrow K direction. , Ink cartridge 14 cartridge guide 70
Insert it into the mechanism chassis 20 along the
After the supply-side reel 12 and the take-up reel 13 are engaged with each other, and when an operation is instructed, the push-up lever 4 rotates in the direction A, and the push-up plate 2 is pushed up by the push-up lever 4, The upper recording sheet 3a is pressed against the belt of the sheet feeding belt device 5, and the recording sheet 3a is fed into the sheet feeding guide 7 by the sheet feeding belt device 5. In this case, the double feed prevention member 6 prevents two or more recording sheets 3 from being fed into the paper feed guide 7. Then, the recording paper 3a advances in the paper feed guide 7 in the direction of the arrow G, and when the leading end of the recording paper 3a reaches the first roller 30, the recording paper 3a passes between the first roller 30 and the platen drum 10, Further, it passes between the second roller 32, the third roller 33 and the platen drum 10 and advances in the direction of the arrow H between the platen drum 10 and the conveyance guide 31, and advances between the platen drum 10 and the ink sheet 11. . On the other hand, the ink sheet 11 is sent by the supply shaft 21 and the take-up shaft 22 at the same speed as the peripheral surface speed of the platen drum 10, and the recording paper 3a and the ink sheet 11 are at the same speed as the platen drum 10 and the thermal line head 15. Pass between the ink sheet
The heat sensitive line head 15 heats the ink 11 according to the printing signal, the color material applied to the ink sheet 11 is transferred onto the recording paper 3a, and the ink sheet 11 after the transfer is peeled off by the peeling roller 16
At this position, the direction is suddenly changed in the direction of arrow E, and the reel 13 is wound up. In this case, the separation guide 34 is at the position shown by the chain double-dashed line, the recording paper 3a advances between the platen drum 10 and the separation guide 34, and the leading end of the recording paper 3a reaches the first roller 30 again. Similarly, the other two color materials are sequentially transferred to the recording paper 3a, and at the time of the final transfer, the separation guide 34 is rotated to the position indicated by the solid line, and in this case, the leading end of the recording paper 3a is placed in the paper discharge guide 42. The recording paper 3a is guided in the paper ejection guide 42 in the direction of arrow I, reaches the paper ejection rollers 41a and 41b, and is fed in the direction of arrow J by the paper ejection rollers 41a and 41b.
It is sent out within 40.

At this time, the auxiliary roller 49 is in the position shown by the chain double-dashed line, and when the recording paper 3a enters the paper discharge tray 40, the auxiliary roller 49
49 rotates to the position indicated by the solid line, the recording paper 3a is sandwiched between the auxiliary roller 49 and the discharge roller 47, and the rotation of the discharge roller 47 causes the recording paper 3a to be discharged into the receiving tray 70 in the arrow K direction. To be done.

In such a printer device, the insertion direction of the paper feed tray 1, the insertion direction of the color material replenishing member, the direction of ejecting the recording paper 3 from the paper ejection tray 40 to the outside of the casing 52, the first to third rollers 30, Since the rotation center lines of 32 and 33 are substantially parallel to each other, insertion of the paper feed tray 1 into the housing 52, ejection from the housing 52, ejection of the printed recording paper 3a and replacement of the ink cartridge 14 are required. This can be done from the front surface 52a.

FIG. 5 is a schematic partially cutaway plan view showing a part of another printer device according to the present invention. In the figure, 64a and 64b are arc-shaped elongated holes provided in the floor portion 40a of the discharge tray 40, 60a,
60b is a discharge gear provided at the bottom of the floor 40a, 61a and 61b are shafts of the discharge gears 60a and 60b, the discharge gears 60a and 60b are meshed, and the discharge gear 60a is rotated by a rotating means (not shown). It is rotated about 90 ° in the direction of arrow Ma, and along with this, the discharge gear 60b.
Is rotated about 90 ° in the direction of arrow Mb. 62a and 62b are discharge gears
Pin arms fixed to 60a and 60b, and 63a and 63b are discharge pins fixed to the tips of the pin arms 62a and 62b.
63a and 63b are provided at positions passing through the elongated holes 64a and 64b. Then, the ejection gears 60a and 60b and the pin arms 62a and 62
b, the discharge pins 63a, 63b, and the like constitute discharge means.

In this printer device, when the recording paper 3a is fed into the paper discharge tray 40 in the state shown in the drawing, the discharge gears 60a and 60b are rotated, and the recording paper 3a is discharged into the receiving tray 70 by the discharge pins 63a and 63b. It

FIG. 6 is a schematic perspective view showing a part of another printer device according to the present invention. In the figure, 40b is the floor of the discharge tray 40, and the floor 40b is inclined downward toward the front surface 52a.

In this printer device, the recording paper 3a is placed on the paper output tray 40
When it is sent in, the recording paper 3a slides on the floor 40b and is discharged into the receiving tray 70.

Although the thermal transfer type printer device has been described in the above embodiment, it is obvious that the present invention can be applied to an inkjet type printer device.
Further, in the above-described embodiment, the discharging means such as the discharging roller 47 is used, but the discharging means may be a belt transport mechanism or the like. Furthermore, in the above-described embodiment, the guide direction of the tray guide 51 and the discharge direction of the discharge means are made orthogonal to the conveying direction of the recording paper 3a by the paper conveying means, but the guide direction of the tray guide 51 and the discharge direction of the discharge means are It suffices that it intersects with the transport direction of the recording paper 3a by the paper transport means.

〔The invention's effect〕

As described above, in the printer device according to the first aspect of the present invention, recording paper can be fed and discharged and the color material replenishing member can be replaced on the same surface of the housing. Even when installed inside or when another device is installed on the printer device, it is possible to easily feed and discharge the recording paper and replace the color material replenishing member.

Moreover, in the printer device according to the second aspect of the present invention, since the recording paper can be fed and discharged on the same surface of the housing,
The recording paper can be easily fed and ejected even when the recording paper is installed in a shelf or a rack for housing the equipment or when another equipment is installed on the printer.

[Brief description of drawings]

FIG. 1 is a schematic plan view showing a part of a printer device according to the present invention, FIG. 2 is a schematic front view of the same, and FIG.
FIG. 4 is a perspective view showing a part of the printer device shown in FIG.
1 is a schematic perspective view showing the whole printer device shown in FIGS. 1 to 3, FIG. 5 is a schematic partially cutaway plan view showing a part of another printer device according to the present invention, and FIG. FIG. 6 is a schematic perspective view showing a part of another printer device according to the present invention. 1 ... Paper feed tray, 3 ... Recording paper 14 ... Ink cartridge, 40 ... Paper ejection tray, 40b ... Bottom 43 ... Roof, 47 ... Ejection roller 48 ... Auxiliary arm, 49 ... Auxiliary Roller 51 …… Tray guide, 52 …… Housing 60a, 60b …… Discharge gear, 62a, 62b …… Pin arm 63a, 63b …… Discharge pin, 71 …… Cartridge guide

Claims (4)

[Claims] 1. A printing mechanism for printing on a recording paper, a paper feed mechanism for carrying the recording paper to the printing mechanism, a paper carrying mechanism for carrying the recording paper by rollers in the printing mechanism, and the recording paper. In a printer device having a paper discharge mechanism that conveys the recording paper from the printing mechanism, and a color material replenishment guide member for guiding the color material replenishment member of the print mechanism into the housing, a paper feed tray in which the recording paper is stored. A paper feed tray guide member for guiding the sheet to the entrance of the paper feed mechanism in the housing,
A discharge tray is provided at the outlet of the discharge mechanism, discharge means for discharging the recording paper from the discharge tray to the outside of the housing is provided, and the insertion direction of the paper feed tray, the insertion direction of the color material replenishing member, A printer device, wherein a direction of discharging the recording paper from the paper discharge tray to the outside of the housing and a rotation center line of the roller are substantially parallel to each other. 2. The printer device according to claim 1, wherein a roof portion is provided on at least a part of an upper portion of the paper discharge tray. 3. A printing mechanism for printing on recording paper, a paper feed mechanism for carrying the recording paper to the printing mechanism, a paper carrying mechanism for carrying the recording paper by rollers in the printing mechanism, and the recording paper. In a printer device having a paper discharge mechanism for conveying the paper from the printing mechanism, a paper feed tray guide member for guiding the paper feed tray storing the recording paper to the entrance of the paper feed mechanism in the housing is provided. A discharge tray provided at the outlet of the discharge mechanism, discharge means for discharging the recording paper from the discharge tray to the outside of the housing, insertion direction of the paper feed tray, recording sheet from the discharge tray And a rotation center line of the roller are substantially parallel to each other. 4. A printer device according to claim 3, wherein a roof portion is provided on at least a part of an upper portion of the paper discharge tray.