JPH10272811A - Printer having cutter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the printer in size and weight and to arbitrarily select a cutting condition of a paper by the printer itself. SOLUTION: The printer comprises an integrated frame 1, a transmission switching mechanism 3 having a motor 2 for switching the output of the motor between driving of a paper feeder and driving of a cutter corresponding to the rotation direction of the motor and a cutting position changing mechanism for selecting a cutting position on a roll paper 13. As a result of the above structure, the number of components is reduced so that it is possible to reduce the printer in size and weight and the cutting of the roll paper 13 is switched between a full cutting operation and a partial cutting operation.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a POS, a measuring instrument,
The present invention relates to a printing apparatus with a built-in roll paper for labels and the like, and particularly to a printing apparatus with a cutter for cutting a recording paper after printing.

[0002]

2. Description of the Related Art A conventional printing device (equipment) with a cutter is:
In most cases, individual devices such as a roll paper holder, a printing device, and a cutter are incorporated.
In addition, there are two types of cutters for cutting recording paper: a full cut method that completely separates the recording paper, and a partial cut method that cuts while leaving a part of the recording paper. In the conventional cutter (individual device), Recording paper cutting methods were limited to either full cuts or partial cuts because a dedicated cutter was incorporated in advance.

Further, the printing apparatus and the cutter each have a dedicated driving motor, and since the operation is individually controlled, the number of components is large and the current consumption is large. Had a problem.

As a method of reducing the number of parts and reducing the current consumption, the technology described in Japanese Utility Model Laid-Open No. 1-80451 discloses a technique in which the number of parts is reduced by using a single motor, a planetary gear unit, and a locking means using a solenoid. In addition, a printer device with a cutter that reduces current consumption has been proposed. FIG. 6 is a cross-sectional view showing the configuration of a conventional printing apparatus with a cutter.
(A) is a main part plan view showing the configuration of the output switching mechanism,
(B) is a side view of the main part.

In FIG. 6, reference numeral 51 denotes a main body case having a holder for roll paper 56, 52 denotes a printing device, 53 denotes a cutter, 54 denotes a cutter adapter, and 55 denotes a main body cover.
The printing device 52 is disposed at a position compatible with the roll paper 56,
A cutter adapter 54 fixed to the main body case 51 by screws or the like and holding the cutter 53 is fixed to the printing device 52. Roll paper 56 printed by printing device 52
Is sent to the cutter 53 and cut to a predetermined length.

In FIG. 7, 61 is a motor, 62 is a planetary gear mechanism, 63 is a solenoid, 64 is a lock claw, 65 is a platen roller, 66 is a cutter gear, 67 is a link, 6
8 is a cutter, and a planetary gear mechanism 62 is a motor gear 61
a, a plurality of planetary gears (not shown) revolving around the sun gear, a carrier 62b rotating by connecting the axes of the planetary gears to each other, and a plurality of planetary gears And an internal gear 62c.

[0007] The rotation output (system) of the motor 61 between the platen roller 65 and the cutter 68 is switched by a lock claw 64 normally biased by a spring during printing or paper feeding. ), The rotation of the internal gear 62c is locked, so that the rotation output becomes the carrier 62b, and the rotation of the carrier 62b rotates the platen roller 65 via the platen roller gear 65a, and the paper is fed. When the recording paper is cut, by energizing the solenoid 63, the lock claw 64 directly connected to the solenoid 63 meshes with the roller gear 65a to lock the carrier 62b, so that the rotation output is set to the internal gear 62c.
The rotation of the internal gear 62c is transmitted to the cutter 68 via the cutter gear 66 and the link 67, and the cutter 68 is driven to cut the roll paper.

[0008]

However, in the printing apparatus having the above-mentioned conventional configuration, the configuration of the individual apparatuses such as the roll paper holder, the printing apparatus, and the cutter is combined.
The size becomes large and it is difficult to reduce the size. In addition, a planetary gear mechanism and a solenoid as an actuator are required to switch the rotation output, and an electronic control circuit for controlling the switching timing is also required. It is difficult to reduce weight and power consumption, and the cutting method of full cut or partial cut required depending on the purpose of use is selected.A dedicated cutter that changes the shape of the blade inside the cutter and the moving stroke of the blade is pre-installed Had a problem that it was not possible because

The present invention solves such a conventional problem,
Roll paper holder, printing device, and cutter necessary for printing device (system) are integrated to achieve compact size, light weight, and low power consumption, and recording paper cut (method) can be full cut or partial cut. An object of the present invention is to provide a printer with a cutter that can be arbitrarily switched and selected.

[0010]

SUMMARY OF THE INVENTION In order to solve this problem, a printing apparatus with a cutter according to the present invention comprises a head for printing on the roll paper in a frame having a roll paper holder for holding the roll paper, and a head for printing on the roll paper. The platen roller receives the pressing force, supports the fixed blade of the cutter, and the screw shaft, supports the screw shaft, the disk-shaped rotary blade of the cutter, and the rotary blade, and is guided by the screw shaft in the paper width direction of the roll paper. A cutter operating unit including a carriage, a motor serving as a drive source for the paper feed and the cutter, a transmission switching mechanism for switching rotation output to paper feed or cutter drive according to a rotation direction of the motor, and a roll paper cut position. It has a configuration provided with a variable cutting position mechanism to be selected.

According to the present invention, while having necessary functions such as a roll paper holder, a printing device, a cutter, etc., a small size, light weight, and low power consumption are realized, and a paper feed or a single motor is used. A printing apparatus with a cutter that can cut the roll paper and switch the cut position of the roll paper between full cut and partial cut can be obtained.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention according to claim 1 of the present invention is directed to a head for printing on a roll paper in a frame provided with a roll paper holder for holding the roll paper, and a platen roller for receiving a pressing pressure of the head. A cutter operating part comprising a fixed blade of the cutter and a screw shaft, a disk-shaped rotary blade of the screw shaft and the cutter, and a carriage supporting the rotary blade and guided in the paper width direction of the roll paper by the screw shaft. When,
It has a configuration in which a motor serving as a drive source for the paper feed and the cutter and a transmission switching mechanism for switching a rotation output to paper feed or cutter drive in accordance with a rotation direction of the motor are provided. In addition to eliminating the need for connecting members to assemble the paper holder, printing device, and cutter, the effect of improved mechanical accuracy and the ability to feed the paper or drive the cutter with a single motor reduce the number of parts. This has the effect that the size can be easily reduced.

According to a second aspect of the present invention, there is provided a support member rotating around a rotation shaft of a motor, a motor gear fixed to the rotation shaft of the motor, and supported by the support member. A transmission switching mechanism that revolves in accordance with the rotation direction of the motor and selects transmission of the rotation output of the motor to a paper feed gear or a cutter driving gear (with a light load member such as a spring disposed). Is provided, and if the rotation direction of the motor is indicated, paper feed or cutter drive can be performed by one motor, so that the number of parts can be reduced and downsizing can be easily realized.

According to a third aspect of the present invention, there is provided a frame having a roll paper holder for holding a roll paper, a head for printing on the roll paper, a platen roller receiving a pressing pressure of the head, and a cutter fixed. Supports the blade and screw shaft,
A cutter operating unit including the screw shaft, a disk-shaped rotary blade of the cutter, and a carriage that supports the rotary blade and is guided by the screw shaft in the paper width direction of the roll paper; and a driving source for the paper feed and the cutter. And a cut position variable mechanism for selecting the cut position of the roll paper, so that the cut width of the roll paper can be switched between full cut and partial cut.

According to a fourth aspect of the present invention, a groove having a width of several millimeters corresponding to a gap with the roll paper is provided on both sides of a roll paper holder set to be several millimeters wider than the width of the roll paper. With the configuration in which the roll paper regulating plate that can be inserted into any of the grooves on the side is provided, the position of the roll paper can be changed with respect to the cutter position or the printing position, and the cut width of the roll paper can be set to full cut or partial cut. It has the effect of being able to switch.

The invention described in claim 5 of the present invention has a structure in which the screw shaft of the cutter operating portion is supported movably by several millimeters in the paper width direction of the roll paper. With the support of the left alignment, the movement reversal position of the carriage can be changed, and the cut width of the roll paper can be switched between full cut and partial cut.

An embodiment of the present invention will be described below with reference to FIGS. (Embodiment 1) FIG. 1 is a partially cutaway plan view showing a configuration of a printing apparatus with a cutter according to a first embodiment of the present invention, and FIG. 2 is a partially cutaway side view showing the configuration of the embodiment. FIG.

1 and 2, reference numeral 1 denotes a frame, 2 denotes a motor having a motor gear on an output shaft and fixed to the frame 1, 3 denotes a transmission switching mechanism which switches in synchronization with the rotation direction of the motor 2, 4 Is a platen roller rotatably supported by a lid 11 via a platen bearing; 5 is a rotary blade 8; a carriage 9 supporting the rotary blade 8; and a cross-lead screw shaft (hereinafter, referred to as a screw shaft) 7 for guiding the carriage 9.
A cutter driving unit 6; a printing head 6; a fixed blade 10 fixed to a cover 11; a cover 11 that rotates around a support column 1a of the frame 1; and a platen bearing 12 fixed to the cover 11. Opening / closing lever 13 having a lock claw 11a for closing the lid 11 through the frame 1 and supported by the frame 1;
Is a roll paper, 14 is a roll paper regulating plate, 15 is a platen drive gear fixed to the shaft of the platen roller 4, 16 is a cutter drive gear, 17 is a screw shaft gear 19 fixed from the cutter drive gear 16 to the screw shaft 7. It is composed of a timing belt that transmits rotation to the motor.

The operation of the embodiment will be described below with reference to FIGS. Operate the opening / closing lever 12 to operate the lid 1
The lock of the roll paper holder 1d is released, and the roll paper holder 1d is opened by rotating in the direction of the arrow. The roll paper 13 is inserted into the roll paper holder 1d, the leading end of the paper is pulled out of the printing apparatus, and the lid 11 is closed and locked. This completes the preparation for printing.

Next, the motor 2 is rotated in the CCW direction, and after a predetermined period of time, the roll paper 13 is conveyed while printing by applying coloring energy to the head 6 while synchronizing with the rotation speed of the motor 2. After printing, when the roll paper 13 has been transported to a predetermined length, the motor 2 is switched to CW rotation. The transmission switching mechanism 3 is operated, the rotation output of the motor 2 is switched from the platen drive gear 15 to the cutter drive gear 16, and the screw shaft groove 7a is rotated with the rotation of the screw shaft 7.
The rotary blade 8 supported by the carriage 9 guided by the gear meshes with the fixed blade 10, and the roll paper 13 is cut.
The screw shaft groove 7a is formed so that a groove that advances in the cutting direction and a groove that advances in the return direction intersect, and is processed in a range where the carriage 9 moves the width of the roll paper 13, and the end of each groove is in the circumferential direction of the screw shaft 7. And are connected smoothly in the same direction. This screw shaft 7
Then, the carriage 9 guided while cutting the roll paper 13 is reversed at the end of the screw shaft 7 and shifts to return movement.

The end of the return step is similar to the connection of the grooves, and shifts to the movement in the cutting direction by reversing the screw shaft groove 7a. As long as the motor 2 continues the CW rotation, the cut and return operations are repeated. Therefore, the position detection sensor 18 is arranged at the end position of the return process,
By stopping the motor 2 upon detection by the sensor, the work of cutting the roll paper 13 can be completed.

As described above, according to the embodiment, since each member is formed on the common frame 1, the size and weight can be easily reduced, and the paper feed or the output by one motor 2 can be realized. Since the cutter can be driven, not only the number of components can be reduced, but also the control can be easily performed since no switching actuator is used.

(Embodiment 2) FIGS. 3A and 3B are a plan view and a side view showing the configuration of a transmission switching mechanism of a printing apparatus with a cutter according to a second embodiment of the present invention.
The same members as those in FIGS. 1 and 2 are denoted by the same reference numerals and description thereof is omitted.

In FIGS. 3A and 3B, the frame 1
The motor gear 2b fixed to the motor output shaft 2a supports the motor output shaft 2a of one motor 2 fixed to the motor gear 2b as a support shaft, and supports the switching gear 3b meshing with the motor gear 2b. It is sandwiched and supported by. The switching gear 3b is supported by the support plate support 3e by a retaining ring 3d in a state where a light load is applied between the transmission support plate 3a and the switching gear 3b by a spring 3c or the like.
When the motor 2 is rotated in the CCW direction, the switching gear 3b having a light load is integrated with the motor gear 2b, starts rotating in the CCW direction about the motor output shaft 2a, and meshes with the platen driving gear 15. At this position, the rotation of the switching gear 3b in the CCW direction ends, and the switching gear 3b becomes an idler gear, rotates the platen drive gear 15 and feeds the roll paper 13. At this time, by applying coloring energy synchronized with the rotation of the motor 2 to the head 6, printing on the roll paper 13 can be performed.

Next, the motor 2 is rotated CW. The switching gear 3b having a light load is integrated with the motor gear 2b and starts rotating in the CW direction around the motor output shaft 2a,
The engagement with the paper feed gear 15 is released, and the timing belt 1 is released.
Cutter driving gear 16 for transmitting rotation to rotary blade 8 via
Meshes with At this position, the rotation of the switching gear 3b in the CW direction ends, and the switching gear 3b becomes an idler gear, rotates the screw shaft gear 19, moves the carriage 9, and cuts the roll paper 13. The cutting operation is completed by the cutter operation described in the first embodiment.

As described above, according to this embodiment, the transmission support plate 3a is directly supported on the motor output shaft 2a, so that the paper feed or the drive of the cutter can be stabilized only by the instruction of the rotation direction of the motor 2. The transmission can be switched, and the number of parts can be reduced. In addition, since the switching actuator is not used, the control can be easily performed.

(Embodiment 3) FIG. 4 is a block diagram showing a configuration of a cutter unit of a printing apparatus with a cutter according to a third embodiment of the present invention.

In FIG. 4, a cut position variable mechanism 24 for selecting a cut position of the roll paper 13 is provided between or at least one of the printing device 22 and the cutter device 23. After selecting the cut position variable mechanism 24, the roll paper 1
3 through the printing device 22 for printing, and the cutter device 2
At 3, the roll paper 13 is cut. By selecting the position of the cut position variable mechanism 24, an effect is obtained that the cut state of the roll paper can be easily changed between full cut and partial cut without replacing the cutter device.

(Embodiment 4) The configuration of a printing apparatus with a cutter according to a fourth embodiment of the present invention will be described with reference to FIGS. The paper insertion width dimension L of the roll paper holder 1d of the frame 1 is set to be several millimeters longer than the paper width, and the roll paper 1
3 and a gap is provided. Grooves 1b having a width corresponding to the gap are formed on both sides of the roll paper holder 1d in the paper width direction.
1c is provided. Reference numeral 14 denotes a roll paper regulating plate whose thickness is set so as to fit into the grooves 1b and 1c.

As shown in FIG. 1, the roll paper regulating plate 14 is inserted and fixed in the roll paper holder groove 1c, and thereafter, the roll paper 13 is inserted, and printing and cutting are performed as in the first embodiment. At this time, the roll paper cut state is fully cut. On the other hand, the roll paper regulating plate 14 is inserted and fixed in the roll paper holder groove 1b, and thereafter, as in the first embodiment, the roll paper 13 is inserted, and printing and cutting are performed. At this time, the position of the roll paper 13 with respect to the moving stroke of the rotary blade 8 of the cutter is at a position where the roll paper 13 returns with a small amount left, and partial cutting can be performed.

As described above, according to the fourth embodiment, by changing the position of the roll paper regulating plate 14, the cut state of the roll paper 13 can be easily changed between full cut and partial cut. Can be

The roll paper 13 held by the frame 1
If the frame 1 is configured so as to variably support the roll paper holder 1d for supporting the roll paper and the roll paper holder 1d with a gap of several millimeters in the paper width direction of the roll paper 13, the roll paper holder 1d By moving select
Similar effects can be obtained.

(Embodiment 5) FIGS. 5A and 5B are plan views of a part of a cutter part of a printing apparatus with a cutter according to a fifth embodiment of the present invention. FIG.
The same members as are denoted by the same reference numerals, and description thereof is omitted.

In FIG. 5 (a), a screw shaft 7 for guiding a carriage 9 supporting a rotary blade 8 of the cutter in the paper width direction.
The shaft portion supported by the bearing portion of the frame 1 is provided with two position regulating grooves 7a and 7b. When the position regulating groove 7a is supported by the bearing portion of the frame 1,
The rotary blade 8 of the cutter 5 moves to the position A, and the roll paper 1
3 can be fully cut. On the other hand, as shown in FIG. 5B, the screw shaft 7 is operated in
Then, the insertion, printing, and cutting of the roll paper 13 are performed in the same manner as in the first embodiment. At this time, the rotary blade 8 of the cutter 5 moves to the position B, and the roll paper 13 is partially cut with a part left uncut.

As described above, according to the present embodiment, by selecting the position of the screw shaft 7 by moving, it is possible to easily change the cut state of the roll paper 13 between full cut and partial cut. .

[0036]

As described above, the printing apparatus with a cutter according to the present invention has a structure in which the frame of the printing apparatus, the roll paper holder and the cutter frame are integrated, and one motor provided in the printing apparatus. A transmission switching mechanism that switches the rotation output to paper feed or cutter drive, and a paper position variable mechanism that can move the roll paper installation position, or
Since it has a configuration of a reversing position variable mechanism that can select the movement reversing position of the carriage that supports the rotary blade of the cutter,
Advantageous effect that the number of parts is small, the size and weight can be reduced, and the power consumption can be reduced, and the roll paper cut can be switched between full cut and partial cut only by controlling the rotation direction of the motor of the printing device. Is obtained.

[Brief description of the drawings]

FIG. 1 is a partially cutaway plan view showing a configuration of a printer with a cutter according to a first embodiment and a fourth embodiment of the present invention.

FIG. 2 is a cutaway side view of the same part.

FIG. 3A is a plan view showing a configuration of a transmission switching mechanism of a printing apparatus with a cutter according to a second embodiment of the present invention; FIG.

FIG. 4 is a schematic diagram illustrating a configuration of a printer with a cutter according to a third embodiment of the present invention.

FIG. 5 is a partially cutaway plan view showing a configuration of a cutter unit of a printer with a cutter according to a fifth embodiment of the present invention.

FIG. 6 is a configuration diagram showing an output switching mechanism of a conventional printer with a cutter.

FIG. 7A is a plan view of a main part showing a configuration of the output switching mechanism. FIG. 7B is a side view of the main part.

[Explanation of symbols]

 Reference Signs List 1 frame 2 motor 3 transmission switching mechanism 4 platen roller 5 cutter driving unit 6 head 7 screw shaft 8 rotating blade 9 carriage 10 fixed blade 11 lid 12 opening and closing lever 13 roll paper 14 roll paper regulating plate 15 paper feed gear 16 cutter driving gear 17 Timing belt 18 Sensor 19 Screw shaft gear 22 Printing device 23 Cutter device 24 Variable cutting position mechanism

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI B41J 23/02 B41J 23/02 B

Claims (5)

[Claims] 1. A printing apparatus having a cover that supports a platen roller that receives a pressing pressure of a head and is rotated by a support column provided on the frame, wherein the frame includes a roll paper holder that holds roll paper. A head that prints on roll paper, a platen roller that receives the pressing force of the head, and a screw shaft of a recording paper cutter are supported, and the screw shaft and a disk-shaped rotary blade of the cutter and the rotary blade are supported. A cutter operating unit including a carriage guided in the paper width direction of the roll paper by the lid, the lid for supporting a fixed blade of the cutter, a motor for feeding the roll paper and a driving source for the cutter, and rotation of the motor. A printing device equipped with a cutter having a transmission switching mechanism for switching the rotation output to paper feed or cutter driving depending on the direction. 2. The apparatus according to claim 1, further comprising a support member that rotates about a rotation axis of the motor and a switching gear that meshes with a motor gear fixed to the rotation axis of the motor and that is supported by the support member. 2. The printing apparatus with a cutter according to claim 1, further comprising a transmission switching mechanism that revolves in accordance with a rotation direction of the motor and selects transmission of rotation output of the motor on a paper feed gear or a cutter driving gear. A frame provided with a roll paper holder for holding the roll paper, a head for printing on the roll paper, a platen roller for receiving a pressing force of the head, a fixed blade of a cutter, and a screw shaft; A cutter operating unit including a shaft, a disk-shaped rotary blade of the cutter, and a carriage that supports the rotary blade and is guided in the paper width direction of the roll paper by the screw shaft, and a motor that drives the paper feed and the cutter And a cutter with a variable cutting position mechanism for selecting a cutting position of the roll paper. 4. A roll that can be inserted into one of the grooves on either side of a roll paper holder provided on both sides of a roll paper holder set to be several millimeters wider than the width of the roll paper. 4. A structure having a paper regulating plate.
A printing device with a cutter as described in the above. 5. The printing apparatus with a cutter according to claim 3, wherein the frame is configured to support the screw shaft of the cutter operation unit so as to be movable by several millimeters in the width direction of the roll paper.