JP6783129B2 - Numbering device - Google Patents

Description

The present invention relates to an electric numbering device that prints a number on a sheet to be printed.

As a conventional numbering device of this type, for example, there is one described in Patent Document 1. The numbering device disclosed in Patent Document 1 has a structure in which the number of digits of the printed number is increased, and is provided in a pair of frames configured to be divisible in the axial direction of the number ring and each of these frames. It is equipped with a drive mechanism for each numbered wheel.

The drive mechanism consists of a motor that is long formed in the axial direction of the numbered wheel and is cantilevered supported by the frame, and a gear that is cantilevered and supported by the frame in parallel with the motor. It includes a combined drive shaft and a drive gear that is fixed to the drive shaft and meshes with the driven gear of the numbered wheel. The plurality of drive mechanisms for each number ring are provided at a plurality of positions separated from each other at predetermined intervals in the circumferential direction of the number ring when viewed from the axial direction of the number ring.
The motors of the respective drive mechanisms provided in one frame are arranged at positions adjacent to a plurality of motors in the other frame in the circumferential direction of the number ring by combining both frames with each other.

Japanese Patent No. 5457175

The numbering device described in Patent Document 1 has a problem that the reliability of the printed number is low and the workability when performing maintenance of the motor is low. The reason for the low reliability is that the motor, which is a heat generating component, is housed in a narrow space, so that the temperature of the motor tends to rise and the motor may malfunction. The reason for the low workability is that maintenance cannot be performed without disassembling the pair of frames.

The present invention has been made to solve such a problem, and it is possible to increase the reliability and facilitate the maintenance while adopting a configuration capable of taking a large number of digits of the printed number. The purpose is to provide a numbering device that can be used.

In order to achieve this object, the numbering device according to the present invention is provided with a plurality of numbering rings individually rotatably configured and arranged on the same axis, and individual numbers provided for each numbering ring. A driven gear that rotates integrally with the dial, and first and second frames that are arranged at predetermined intervals in the axial direction of the numbered ring and partition the vicinity of the driven gear into a gear accommodating space and an external space. , A third frame arranged between the first frame and the second frame, and one end rotatably supported by one of the first frame and the second frame. The other end is rotatably supported by the third frame, and the first drive shaft is fixed to the first drive shaft, and any one of the plurality of driven gears is used. A first drive gear that meshes with a first driven gear and a first motor that is connected to one end of the first drive shaft and is arranged in the external space to drive the first drive shaft. And, located on the same axis as the first drive shaft, one end is rotatably supported by the third frame, and the other end is among the first frame and the second frame. A second drive shaft rotatably supported by the other frame and a second driven gear fixed to the second drive shaft and different from the first driven gear among the plurality of driven gears. The second drive gear is arranged outside the second drive shaft in the radial direction of the number ring, extends parallel to the second drive shaft, and one end thereof is rotatable on the one frame. An intermediate shaft that is supported and the other end is rotatably supported by the other frame and gear-coupled to the second drive shaft, and one end of the intermediate shaft are connected and arranged in the external space. It is provided with a second motor that drives the intermediate shaft.

The present invention further comprises a third drive shaft in which one end is rotationally supported by the one frame and the other end is rotatably supported by the other frame, and the third. A third drive gear fixed to the drive shaft and meshing with a third driven gear different from the first driven gear and the second driven gear among the plurality of driven gears, and the third drive shaft A direct drive system connected to one end and arranged in the external space, including a third motor for driving the third drive shaft, and a direct drive system and a second motor powered by the first motor. A plurality of multi-axis drive mechanisms including an indirect drive system as a power source are provided side by side in the circumferential direction of the number ring on the opposite side in the radial direction from the printing position of the number ring, and the third A plurality of single-axis drive mechanisms powered by a motor may be provided side by side in the circumferential direction on the printing position side of the plurality of multi-axis drive mechanisms.

The present invention further relates to a fourth frame in the numbering device, and in one of the axial directions, in cooperation with the one frame to form a boundary between the gear accommodating space and the external space, and the axial direction. On the other hand, a fifth frame that cooperates with the other frame to form a boundary between the gear accommodating space and the external space, and one end of the fourth frame are rotatably supported and a fifth frame. The third drive shaft whose other end is rotatably supported by the frame and the first driven gear and the second driven gear among the plurality of driven gears fixed to the third drive shaft are A third drive gear that meshes with a different third driven gear and a third that is connected to the other end of the third drive shaft and is arranged in the external space to drive the third drive shaft. A motor is provided, and the one frame and the fifth frame are located inside both ends of an assembly composed of the plurality of numbered wheels in the axial direction of the numbered wheels, and the first frame is provided. A plurality of multi-axis drive mechanisms including a direct drive system powered by the motor and an indirect drive system powered by the second motor are located in the circumferential direction of the number ring from the printed position of the number ring. A plurality of uniaxial drive mechanisms powered by the third motor are provided side by side in the circumferential direction on one side, and are provided side by side in the circumferential direction on the other side in the circumferential direction from the printing position. You may.

In the present invention, in the numbering device, the second driven gear is a driven gear of a numbered wheel that prints a number having a relatively high position among a plurality of digit numbers printed by the plurality of the numbered wheels. It may be.

According to the present invention, since the second motor is arranged outside the first motor in the radial direction of the number ring, it is possible to equip many motors while avoiding interference between these motors. Therefore, it is possible to increase the number of digits of the printed number.
Further, since all the motors are arranged outside the gear accommodation space and the first motor and the second motor are arranged apart from each other in the radial direction of the number ring, the heat of the motor is easily dissipated and the motors. Other motors do not get in the way when performing maintenance.
Therefore, it is possible to provide a numbering device that is highly reliable and can be easily maintained while adopting a configuration capable of taking a large number of digits of the printed number.

It is a front view which shows the schematic structure of the numbering apparatus according to 1st Embodiment. It is sectional drawing which shows the drive mechanism of the numbering instrument which concerns on 1st Embodiment in a developed manner. A number ring is also drawn in FIG. It is a front view which shows the schematic structure of the numbering apparatus according to 2nd Embodiment. It is sectional drawing which shows the drive mechanism of the numbering instrument which concerns on 2nd Embodiment developed. A number ring is also drawn in FIG.

(First Embodiment)
Hereinafter, an embodiment of the numbering device according to the present invention will be described in detail with reference to FIGS. 1 and 2. The numbering device according to this embodiment is the numbering device according to claim 1, claim 2 and claim 4.

The numbering device 1 shown in FIG. 1 prints a series of numbers on a sheet (not shown) such as securities or banknotes, and is used by being attached to a number cylinder of a number printing machine (not shown).
The numbering device 1 is configured by assembling a component described later to a frame 2. A plurality of numbering devices 1 are attached to the number cylinder of the number printing machine in a state of being lined up in the axial direction and the circumferential direction, respectively.

The components to be assembled to the frame 2 are the first to tenth number ring 3 to 12 arranged in the direction orthogonal to the paper surface of FIG. 1 (the axial direction of the number cylinder), and to drive these number ring. 3 sets of double shaft drive mechanisms (1st to 3rd double shaft drive mechanisms 13 to 15) and 4 sets of single shaft drive mechanisms (1st to 4th single shaft drive mechanisms 16 to 19), etc. Is.
Although the first to tenth number ring 3 to 12 are not shown in detail, they have a printed portion on which a plate of characters such as numbers and alphabets is formed on the outer peripheral portion, and are individually rotatable. It is arranged on the same axis and is supported by a frame 2 described later.

The first to seventh number ring 3 to 9 are for printing numbers such as serial numbers, and the eighth to tenth number ring 10 to 12 are for printing alphabets. is there. As shown in FIG. 1, the first to tenth number ring 3 to 12 come into contact with the sheet at the printing position A protruding from the frame 2 to print.

The first number ring 3 prints the ones digit of the seven-digit serial number, the second number ring 4 prints the tens digit, and the third number ring 5 prints the tens digit. , Print the hundreds digit. The fourth numbered ring 6 prints a thousandth digit, the fifth numbered ring 7 prints a ten thousandth digit, and the sixth numbered ring 8 prints a hundred thousandth digit. Then, the seventh number ring 9 prints a number in the millions digit. The 8th to 10th number ring 10 to 12 prints an alphabet meaning a number higher than 7 digits, an alphabet for identification other than the serial number, and the like.

As shown in FIG. 2, each of the first to tenth numbered ring 3 to 12 has a first to third double shaft drive mechanism 13 to 15 and a first to fourth single shaft drive mechanism described later. The driven gears 3a to 12a to which power is applied from the drive mechanisms 16 to 19 are provided so as to rotate integrally.
As shown in FIG. 2, the frame 2 is a first frame 2a and a second frame located on both ends in the axial direction (both ends in the vertical direction in FIG. 2) of the first to tenth numbered rings 3 to 12. The frame 2b is composed of a third frame 2c arranged between the first frame 2a and the second frame 2b.

The first frame 2a and the second frame 2b are arranged at predetermined intervals in the axial direction of the first to tenth numbered ring 3 to 12, and the gear accommodating space is located in the vicinity of all the driven gears 3a to 12a. It is divided into S1 and an external space S2.
In this embodiment, the first frame 2a corresponds to the "one frame" in the present invention, and the second frame 2b corresponds to the "other frame" in the present invention.

As shown in FIG. 1, the first to third multi-axis drive mechanisms 13 to 15 are radially opposite to the printing positions A of the first to tenth number ring 3 to 12 (in FIG. 1). Is provided side by side in the circumferential direction of the first to tenth numbered ring 3 to 12 on the lower side).
The first to fourth single-axis drive mechanisms 16 to 19 are on the printing position A side of the first to tenth number ring 3 to 12 from the first to third double-axis drive mechanisms 13 to 15. The first to tenth number ring rings 3 to 12 are arranged so as to be distributed on both sides of the print position A when viewed from the axial direction, and are arranged so as to be arranged in the circumferential direction on both sides.

As shown in FIG. 2, the first to third multi-axis drive mechanisms 13 to 15 have the same configuration, and the direct drive system 22 powered by the first motor 21 and the first one, respectively. It is composed of an indirect drive system 24 whose power source is the motor 23 of 2.
The direct drive system 22 is composed of a first motor 21, a first drive shaft 25 connected to the first motor 21, and a first drive gear 26 fixed to the first drive shaft 25. It is configured.

The first motor 21 is fixed to the first frame 2a in a state where the axis is parallel to the axis C of the first to tenth numbered ring. The first motor 21 is located in the external space S2.
One end of the first drive shaft 25 is rotatably supported by the first frame 2a, and the other end is rotatably supported by the third frame 2c.
The first drive gear 26 meshes with a predetermined first driven gear among the plurality of driven gears 3a to 12a described above.

In this embodiment, the first drive gear 26 provided in the first double shaft drive mechanism 13 meshes with the driven gear 6a of the fourth number ring 6 to drive the second double shaft. The first drive gear 26 provided in the mechanism 14 meshes with the driven gear 5a of the third numbered wheel 5. Further, the first drive gear 26 provided in the third multi-shaft drive mechanism 15 meshes with the driven gear 4a of the second numbered wheel 4. In this embodiment, the driven gear 6a of the fourth numbered wheel 6, the driven gear 5a of the third numbered ring 5, and the driven gear 4a of the second numbered wheel 4 are referred to in the present invention. Corresponds to the "first driven gear".

The indirect drive system 24 includes a second drive shaft 27 located on the same axis as the first drive shaft 25 described above, a second drive gear 28 fixed to the second drive shaft 27, and a second drive gear 28. It is composed of an intermediate shaft 29 arranged outside the drive shaft 27 in the radial direction of the numbered ring, and a second motor 23 connected to one end of the intermediate shaft 29.

One end of the second drive shaft 27 is rotatably supported by the third frame 2c, and the other end is rotatably supported by the second frame 2b. One end of the second drive shaft 27 is positioned so as to be adjacent to the other end of the first drive shaft 25.
The other end of the second drive shaft 27 projects from the second frame 2b toward the external space S2. A driven side pinion 31 is attached to this protruding portion.
The second drive gear 28 meshes with a predetermined second driven gear that is different from the first driven gear described above among the plurality of driven gears 3a to 12a described above.

In this embodiment, the second drive gear 28 provided in the first double shaft drive mechanism 13 meshes with the driven gear 12a of the tenth number ring 12, and the second double shaft drive The second drive gear 28 provided in the mechanism 14 meshes with the driven gear 11a of the ninth numbered wheel 11. Further, the second drive gear 28 provided in the third multi-shaft drive mechanism 15 meshes with the driven gear 10a of the eighth numbered wheel 10. In this embodiment, the driven gear 12a of the tenth numbered wheel 12, the driven gear 11a of the ninth numbered ring 11, and the driven gear 10a of the eighth numbered wheel 10 are referred to in the present invention. Corresponds to the "second driven gear".

The intermediate shaft 29 is arranged outside the second drive shaft 27 in the radial direction of the numbered ring. One end of the intermediate shaft 29 is rotatably supported by the first frame 2a, and the other end is rotatably supported by the second frame 2b. The other end of the intermediate shaft 29 penetrates the second frame 2b and projects toward the external space S2. A drive-side pinion 32 is attached to this protruding portion. The drive-side pinion 32 meshes with the driven-side pinion 31 described above. Therefore, the other end of the intermediate shaft 29 is gear-coupled to the second drive shaft 27.
The second motor 23 is fixed to the first frame 2a in a state where the axis is parallel to the axes of the first to tenth numbered ring 3 to 12. The second motor 23 is located in the external space S2.

As shown in FIG. 2, the first to fourth single-axis drive mechanisms 16 to 19 have the same configuration, and are connected to the third motor 33 and the third motor 33, respectively. It is composed of a third drive shaft 34 and a third drive gear 35 fixed to the third drive shaft 34.
The third motor 33 is fixed to the first frame 2a in a state where the axis is parallel to the axes of the first to tenth numbered ring 3 to 12. The third motor 33 is located in the external space S2.

One end of the third drive shaft 34 is rotatably supported by the first frame 2a, and the other end is rotatably supported by the second frame 2bb.
The third drive gear 35 meshes with a predetermined third driven gear different from the first driven gear and the second driven gear described above among the plurality of driven gears 3a to 12a described above.
In this embodiment, the third drive gear 35 provided in the first short shaft drive mechanism 16 meshes with the driven gear 8a of the sixth numbered wheel 8 to drive the second short shaft. A third drive gear 35 provided in the mechanism 17 meshes with a driven gear 7a of the fifth numbered ring 7.

Further, the third drive gear 35 provided in the third single shaft drive mechanism 18 meshes with the driven gear 3a of the first numbered wheel 3, and is provided in the fourth single shaft drive mechanism 19. The third drive gear 35 meshes with the driven gear 9a of the seventh numbered wheel 9. In this embodiment, the driven gear 3a of the first numbered wheel 3, the driven gear 7a of the fifth numbered ring 7, the driven gear 8a of the sixth numbered ring 8, and the seventh number The driven gear 9a of the dial 9 corresponds to the "third driven gear" in the present invention.

In the numbering device 1 configured in this way, the second motors 23 of the first to third multi-axis drive mechanisms 13 to 15 are the first to tenth numbered ring 3 to the first motor 21. It is arranged on the outside in the radial direction of 12. In other words, the motors are arranged in two places in the radial direction of the number ring. By adopting a configuration in which the first motor 21 and the second motor 23 are arranged side by side in the circumferential direction of the first to tenth number ring 3 to 12, respectively, a plurality of motors are arranged inside and outside in the radial direction. Each can be arranged in a row.
Therefore, since it is possible to equip a large number of motors while avoiding interference between these motors, it is possible to increase the number of digits of the printed number.

Further, since all the motors are arranged outside the gear accommodation space S1 (external space S2), the first motor 21 and the second motor 23 are arranged apart from each other in the radial direction of the number ring. The heat of the first and second motors is easily dissipated, and other motors do not interfere with the maintenance.
Therefore, according to this embodiment, while adopting a configuration capable of taking a large number of digits of the printed number, an increase in the motor temperature is suppressed, the reliability is improved, and maintenance is easily performed. Can provide a numbering device capable of.

In the numbering device 1 according to this embodiment, the first to third motors 21, 23, 33 are arranged at the same end in the axial direction of the first to tenth number ring 3 to 12. Further, the first to third multi-axis drive mechanisms 13 to 15 are provided side by side in the circumferential direction of the number ring on the opposite side in the radial direction from the printing position A of the number ring. Further, the first to fourth single shaft drive mechanisms 16 to 19 are provided side by side in the circumferential direction of the number ring on the printing position A side from the first to third double shaft drive mechanisms 13 to 15. ..

Therefore, the first to third multi-axis drive mechanisms 13 to 15 that increase in the radial direction of the first to tenth number ring 3 to 12 are arranged on the axial side of the number cylinder from the number ring. Therefore, it is possible to provide a compact numbering device in the transport direction of the sheet on which the number is printed.
Such a numbering device 1 is suitable when the longitudinal direction of the rectangular sheet is parallel to the axial direction of the number cylinder, that is, when the character strings arranged in the horizontal direction are printed on the short end of the sheet. It is a thing.

From the second driven gear driven by the second drive gear 28 of the first to third double-axis drive mechanisms 13 to 15, in other words, the driven side pinion 31 and the drive side pinion 32 according to this embodiment. The second driven gear, in which power is transmitted via a power transmission path including a gear coupling portion, prints a number having a relatively high position among the multi-digit numbers printed by the plurality of number ring. The driven gears 10a to 12a of the eighth to tenth numbered wheel 10 to 12.
For this reason, the high-positioned ring rotates less frequently than the low-positioned ring, and the gear coupling portion is used relatively less frequently. Therefore, the gear coupling via the double shaft type and the single shaft type is relatively low. Although there are many parts, the reliability is high.

(Second Embodiment)
The numbering device according to the present invention can be configured as shown in FIGS. 3 and 4. In these figures, the same or equivalent members as those described with reference to FIGS. 1 and 2 are designated by the same reference numerals, and detailed description thereof will be omitted as appropriate. The numbering device 41 according to this embodiment is the numbering device according to claim 3 and 4.

In the numbering device 41 shown in FIG. 3, the first to third double-axis drive mechanisms 13 to 15 are on one side of the numbered ring from the printing position A of the first to tenth numbered rings 3 to 12 in the circumferential direction. (Left side in FIG. 3) are provided side by side in the circumferential direction of the number ring. Further, the first to fourth single-axis drive mechanisms 16 to 19 are provided side by side in the circumferential direction of the number ring on the other side of the number ring from the printing position A in the circumferential direction of the number ring.

As shown in FIG. 4, the frame 2 according to this embodiment is a first extending to one side of the first to tenth number ring 3 to 12 when viewed from the direction facing the printing position A of the number ring. And the second frames 2a, 2b, the third frame 2c located between the first frame 2a and the second frame 2b, and the fourth and fifth frames 2d, 2e extending to the other side. It is configured.
The fourth frame 2d cooperates with the first frame 2a in one of the axial directions of the first to tenth number ring 3 to 12 (lower side in FIG. 4), and the gear accommodating space S1 and the outside. It constitutes the boundary with the space S2.

The fifth frame 2e cooperates with the second frame 2b to form a boundary between the gear accommodating space S1 and the external space S2 on the other side of the first to tenth numbered ring 3 to 12 in the axial direction. ing. The fifth frame 2e and the first frame 2a are numbered rings composed of the first to tenth numbered ring 3 to 12 in the axial direction of the first to tenth numbered ring 3 to 12. It is located inside the ends of the assembly 42.

More specifically, the first frame 2a is arranged at a position biased toward the tenth numbered wheel 12 side from the first numbered ring 3 in the axial direction of the numbered ring assembly 42. Therefore, a part of the first and second motors 21 and 23 of the first to third multi-axis drive mechanisms 13 to 15 overlaps one end of the numbered wheel assembly 42 described above in the axial direction. ing. The three first drive gears 26 of the first to third double shaft drive mechanisms 13 to 15 according to this embodiment are used as driven gears 7a to 9a of the fifth to seventh numbered wheels 7 to 9. It is in mesh.

On the other hand, the fifth frame 2e is arranged at a position biased toward the first numbered ring 3 side from the tenth numbered ring 12 in the above-mentioned axial direction.
The first to fourth single-shaft drive mechanisms 16 to 19 according to this embodiment are supported by the fifth frame 2e and the fourth frame 2d. The third motor 33 of the first to fourth single shaft drive mechanisms 16 to 19 extends from the fifth frame 2e to the side opposite to the fourth frame 2d in the external space S2. Therefore, the third motor 33 is arranged at a position overlapping the other end of the numbered wheel assembly 42 described above in the axial direction. The four third drive gears 35 of the first to fourth single shaft drive mechanisms 16 to 19 according to this embodiment are used as driven gears 3a to 6a of the first to fourth numbered wheels 3 to 6. It is in mesh.

Also in the numbering device 41 according to this embodiment, the second motors 23 of the first to third multi-axis drive mechanisms 13 to 15 are arranged outside the first motor 21 in the radial direction of the number ring. There is. Therefore, as in the case of adopting the first embodiment, it is possible to equip many motors while avoiding interference between the motors, and it is possible to take a large number of digits of the printed number.

Further, all the motors are arranged outside the gear accommodating space S1, and the first motor 21 and the second motor 23 are arranged apart from each other in the radial direction of the first to tenth numbered wheels 3 to 12. Therefore, the heat of the motor is easily dissipated, and other motors do not interfere with the maintenance.
Therefore, also in this embodiment, it is possible to suppress the rise in the motor temperature, improve the reliability, and facilitate the maintenance while adopting a configuration capable of taking a large number of digits of the printed number. A possible numbering device can be provided.

Further, also in the numbering device 41 according to this embodiment, the second driven gear driven by the first to third double shaft drive mechanisms 13 to 15 has a plurality of digits printed by a plurality of number ring. In the number, the driven gears 10a to 12a of the eighth to tenth number ring 10 to 12 that print the number having a relatively high position. Therefore, as in the case of adopting the first embodiment, the frequency of use of the gear coupling portion is relatively low, so that the reliability is high.

In this embodiment, the first to third multi-axis drive mechanisms 13 to 15 rotate on one side of the number ring from the printing position A of the first to tenth number ring 3 to 12 in the circumferential direction. They are provided side by side in the direction. Further, the first to fourth single shaft drive mechanisms 16 to 19 are provided side by side in the circumferential direction on the other side in the circumferential direction from the printing position A. Therefore, the first to third multi-axis drive mechanisms 13 to 15 that increase in the radial direction of the number ring are the first to tenth number ring 3 to 12 when viewed from the direction facing the printing position A. Since it is arranged on one side, it is possible to provide a compact numbering device in one of the transport directions of the sheet on which the number is printed.

Further, the first frame 2a and the fifth frame 2e according to this embodiment are located inside the both ends of the numbered wheel assembly 42 in the axial direction of the numbered ring. Therefore, all the motors overlap with the numbered wheel numbered ring assembly 42 in the axial direction, and a compact numbering device can be provided in the axial direction.
Such a numbering device 42 is suitable when the longitudinal direction of the rectangular sheet is orthogonal to the axial direction of the number cylinder, that is, when the character strings arranged in the vertical direction are printed on the end portion of the sheet in the longitudinal direction. Is.

In each of the above-described embodiments, the numbering devices 1 and 41 including the first to third double shaft drive mechanisms 13 to 15 and the first to fourth single shaft drive mechanisms 16 to 19 have been described. However, the present invention is not bound by such limitations. That is, it is possible to adopt a configuration in which all the numbered wheels are driven only by the multi-shaft drive mechanism.

1,41 ... Numbering device, 3-12 ... 1st to 10th number wheel, 3a-12a ... Driven gear, 2a ... 1st frame, 2b ... 2nd frame, 2c ... 3rd frame, 2d ... 4th frame, 2e ... 5th frame, 13 to 15 ... 1st to 3rd double shaft drive mechanisms, 16 to 19 ... 1st to 4th single shaft drive mechanisms, 21 ... 1st Motor, 22 ... direct drive system, 23 ... second motor, 24 ... indirect drive system, 25 ... first drive shaft, 26 ... first drive gear, 28 ... second drive gear, 29 ... intermediate shaft, 33 ... 3rd motor, 34 ... 3rd drive shaft, 35 ... 3rd drive gear, 42 ... number wheel assembly, A ... print position, S1 ... gear accommodation space, S2 ... external space.

Claims (4)

Multiple numbered rings that are individually rotatable and arranged on the same axis,
A driven gear provided for each number ring and rotating integrally with each number ring,
The first and second frames arranged at predetermined intervals in the axial direction of the numbered ring and partitioning the vicinity of the driven gear into a gear accommodating space and an external space.
A third frame arranged between the first frame and the second frame,
A first drive shaft whose one end is rotatably supported by one of the first frame and the second frame and the other end is rotatably supported by the third frame. When,
A first drive gear that is fixed to the first drive shaft and meshes with the first driven gear that is any one of the plurality of driven gears.
A first motor connected to one end of the first drive shaft and arranged in the external space to drive the first drive shaft, and
Located on the same axis as the first drive shaft, one end is rotatably supported by the third frame, and the other end is the other of the first frame and the second frame. A second drive shaft rotatably supported by the frame,
A second drive gear that is fixed to the second drive shaft and meshes with a second driven gear that is different from the first driven gear among the plurality of driven gears.
It is arranged outside the numbered ring in the radial direction from the second drive shaft, extends parallel to the second drive shaft, one end is rotatably supported by the one frame, and the other end is. An intermediate shaft rotatably supported by the other frame and gear-coupled to the second drive shaft,
A numbering device that is connected to one end of the intermediate shaft and is arranged in the external space and includes a second motor that drives the intermediate shaft. In the numbering device according to claim 1,
Further, a third drive shaft whose one end is rotationally supported by the one frame and whose other end is rotatably supported by the other frame,
A third drive gear fixed to the third drive shaft and meshing with a third driven gear different from the first driven gear and the second driven gear among the plurality of driven gears.
It includes a third motor that is connected to one end of the third drive shaft and is arranged in the external space to drive the third drive shaft.
A plurality of multi-axis drive mechanisms including a direct drive system powered by the first motor and an indirect drive system powered by the second motor are radially opposite to the printed position of the number ring. It is provided side by side in the circumferential direction of the number ring.
A numbering device characterized in that a plurality of single-axis drive mechanisms powered by the third motor are provided side by side in the circumferential direction on the print position side of the plurality of multi-axis drive mechanisms. In the numbering device according to claim 1,
Further, in one of the axial directions, a fourth frame that cooperates with the one frame to form a boundary between the gear accommodating space and the external space, and
On the other side in the axial direction, a fifth frame that cooperates with the other frame to form a boundary between the gear accommodating space and the external space, and
A third drive shaft whose one end is rotatably supported by the fourth frame and whose other end is rotatably supported by the fifth frame.
A third drive gear fixed to the third drive shaft and meshing with a third driven gear different from the first driven gear and the second driven gear among the plurality of driven gears.
It is provided with a third motor connected to the other end of the third drive shaft and arranged in the external space to drive the third drive shaft.
The one frame and the fifth frame are located inside both ends of the assembly composed of the plurality of numbered rings in the axial direction of the numbered rings.
A plurality of multi-axis drive mechanisms including a direct drive system powered by the first motor and an indirect drive system powered by the second motor are formed on the number ring from the printed position of the number ring. It is provided side by side in the circumferential direction on one side in the circumferential direction.
A numbering device characterized in that a plurality of uniaxial drive mechanisms powered by the third motor are provided side by side in the circumferential direction on the other side of the circumferential direction from the printing position. In the numbering device according to any one of claims 1 to 3.
The second driven gear is a numbering device that is a driven gear of a number ring that prints a number having a relatively high position among a plurality of digit numbers printed by the plurality of number ring. ..

Images