JPS6252020A - Sheets band sealing machine - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION a. Field of Industrial Application The present invention relates to a paper sheet binding machine, and in particular, a drive system such as a rotary gear motor and a tape feed motor that drive the binding section is controlled by an electrical encoder section. 9.b. Related to new improvements for control Conventional technology In this type of paper sheet binding machine, a rotary gear motor constituting the drive system of the binding section, 7 perp feed motor,
When trying to control a cutter solenoid, clamp section, etc. in a predetermined time sequence, a cam disk with multiple complex cam surfaces is fixedly arranged on one axis as the main drive control section, and each cam disk is The operation of the drive system for band-sealing was controlled through an extremely complicated locking mechanism that operated along the cam lead surface.

C9 Problems to be Solved by the Invention However, in the conventional configuration described above, in order to control the required angle of rotation and stop of the drive system in the banding part, its main operation relies on a mechanical cam disc. At the same time, the drive system was controlled by a single main motor through extremely complicated mechanisms such as chains and clutches, making the mechanical configuration extremely complex and increasing the overall size of the device. The number of parts was large, increasing costs.

Furthermore, since the plurality of cam disks described above are configured to perform control operations in conjunction with each other, the cam surface of each cam disk has an extremely delicate and complicated shape.
When developing and designing this type of cam disk, the burden on the designer is extremely heavy, and extremely strict accuracy is required during the machining process, causing a significant increase in the cost of machining the parts.

Furthermore, when changing the frequency of the power supply used, it is necessary to replace the gear head of the main motor, which poses a problem in that the work becomes complicated.

d. Means for solving the problems The purpose of the present invention is to provide suitable means for eliminating the above-mentioned drawbacks, and in order to achieve that purpose, the gist of the present invention is as follows. includes a paper sheet clamp section for clamping paper sheets, a banding section disposed adjacent to the paper sheet clamp section and having a ring-shaped band ring, and a drive for rotating the banding ring. a motor, a tape feeding motor for feeding the banding tape to the banding section, and starting the drive motor, tape feeding motor, etc.;
and an electrical encoder section that generates a control signal for controlling the stop, so that the main mechanism section in the drive system can be operated independently, and the control signal from the electrical encoder section is provided in the bundling process. The paper sheet binding machine is configured to control the operation timing of the rotation of the drive motor and the feeding of the binding tape, and further includes:
The encoder section is rotated by a shaft drive motor and includes a slit plate having a large number of timing slits, and an optical switch section adjacent to the slit plate and having a plurality of photoelectric elements corresponding to each of the timing slits. , or the encoder section includes a magnetic plate that is rotated by a shaft drive motor and has a large number of magnetic parts, and a magnetic switch part that has a plurality of magnetic detection elements adjacent to the magnetic plate and corresponding to each of the magnetic parts. On the shaft part that rotatably supports the slit plate,
A cam plate is provided, and the clamping operation of the clamp portion is controlled by the cam plate.

09 Effect In the above-described configuration, when the shaft drive motor rotates, the slit plate or magnetic plate of the encoder unit rotates, and the tape feed motor starts rotating due to the control signal generated from the optical switch unit or magnetic detection element. The banding tape is guided by a tape feed roller, and its leading end is inserted between the sheets being divided by the dividing device. Next, when the drive motor is rotated again by the control signal from the encoder section, the banding ring (flyer main body) of the banding unit rotates, the banding tape starts wrapping around the bundle of paper sheets, and when the banding is completed. After the cutter solenoid is operated in response to a control signal from the encoder section and the end of the banding tape is cut, the tape cut portion is thermally compressed by the operation of the heater cam to complete the banding.

After the bundling is completed, the dividing device is positioned in the sheet insertion path and waits in response to a control signal from the decoder section, and the shaft drive motor is stopped, thereby completing the bundling operation.

f. Embodiments Hereinafter, preferred embodiments of the paper sheet binding machine according to the present invention will be described in detail with reference to the drawings.

What is indicated by the reference numeral 1 in FIG. 1 is a paper sheet wrapping machine 1, and this paper sheet wrapping machine 1 is provided with a wrapping ring, that is, a flyer main body 2, which has an annular shape as a whole. A moving plate 4 is integrally provided on the main body ring 3 of No. 2, and a drive gear 6 of a drive motor 5 consisting of a rotary gear motor meshes with a gear portion 6a formed on the outer periphery of this main body ring B. The flyer main body 2 is configured to rotate as the drive motor 5 rotates. Heater arm 7 disposed above the fryer main body 2
is movably equipped with a heater block 9 for gluing the ends of the tape 8 when the banding of the tape 8 is completed, and a bundle of paper sheets is mounted above the side of the heater arm 7. An optical and electronic paper sheet detection section 11 for detecting the presence or absence of type 1o is provided.

Further, in the fryer main body 2, a photoelectric tooth number detection section 12 is disposed on the outer periphery of the gear section 3a of the main body ring B in order to detect the number of teeth of the gear section 6a. A photoelectric fixed position detection section 16 for detecting the rotational position of a rotary gear 4a formed on the outer periphery of the movable plate 4 is disposed on the outer periphery of the movable plate 4. A guide roller 14 for holding the tape 8 is integrally installed on one side, and
A guide block 15 is disposed opposite to the guide roller 14 in an opening 16 formed on the surface of the movable plate 4 so as to be freely operable. A spring member (not shown) stretched across the gap between the guide roller 14 and the guide roller 14 urges the guide roller 14 to come into contact with the guide roller 14. Further, a locking roller 15a that engages with a chuck opening/closing lever 46, which will be described later, is provided on one side of the guide block 15, and since both of them are engaged in a state before the start of the banding operation, It is maintained in a spaced apart position that is substantially different from the illustrated position for structural understanding and will be described below.

A clamp plate 1 for clamping paper sheets 10 is provided in a hollow portion 17 formed at the center of the flyer main body 2.
8 and a guide support 19 is disposed, and a horizontal presser lever 21 for pressing the end of the tape 8 when bundling the paper sheet 10 is located at the upper position of the clamp section 20, as shown by the arrow. In the direction A, it is arranged so as to be operated by a later-described lateral presser cam 49 via a connection mechanism (not shown), and is configured to be able to come into contact with the lateral portion of the paper sheet 10 .

Further, at the lower position of the clamp section 20, there is a gap between the clamp plate 18 and the guide support 19, and a gap between the guide roller 14 and the guide block 15, and the paper sheet is A blade-shaped dividing device 22 protrudes from the insertion path 10 for dividing bills, and is configured to be movable up and down in the direction of arrow B. Activated splitter drive solenoid 26
is connected to an arm 24 connected to the dividing device 22, so that it can move up and down in the direction of arrow B.

Further, a cut groove 50 is formed in the longitudinal direction of the dividing device 22 and has one end open, so that the tape 8 can be inserted through the cut groove 50.

The tape 8 is fed out by a pair of tape feed rollers 25 and 26, and fed to the clamp section 20 through the cut groove 50 of the dividing device 22. It is rotatably driven by a tape feed motor 27 that is activated by a control signal from an encoder section 60, which will be described later. At a position adjacent to each of the tape feed rollers 25 and 26, an encoder section 30, which will be described later, is installed.
A cutter 29 is rotatably connected via a shaft support 29 to a cutter solenoid 28 which is operated by a control signal from the cutter solenoid 28, and is capable of cutting the tape 8 at a predetermined length.

Next, what is indicated by the reference numeral 30 is an encoder section disposed adjacent to the fryer main body 2, and this encoder section 30 is shown in more detail in A and B in FIG. A slit plate 32 having a configuration in which a large number of slit groups 61 are arranged concentrically in a multi-stage manner is attached to the shaft portion 6.
These slit groups 31 are arranged in N (however, N22) slits 31a located at the innermost circle and divided at equal intervals, while this slit 51a 2N slits 31b are arranged in the outer circular direction, and 4N slits 7) are arranged on the outside of the slits 31b.
31C, 8N slits 7l-31d are further arranged on the outer side, and 16N slits 51e are arranged on the outermost side, and on both sides of this slit plate 62. The whole is approximately T-shaped, and the first to sixth optical switch parts 34, 35, 36, 37,
A control signal output member 40 having 38 and 39 is provided. Each of the optical switch sections 34 to 39 includes a lamp, L
A light emitting element such as an ED and a light receiving element such as a cdθ element or a phototransistor are configured to form a pair, and a signal corresponding to the length of each slit group 31 of the slit plate 32 is transmitted to each optical switch section 34. - 39 and input to a control section (not shown) to control the rotation of each of the constituent members. A shaft section and a drive gear 41 are provided on one side of the shaft section 33 that supports the slit plate 32. A drive gear 44 provided on a shaft drive motor 46 meshes with the gear portion 42 of the shaft drive gear 41, and the shaft drive gear 41 is driven by the shaft drive motor 43. The slit plate 32 and the shaft portion 66 are rotated together.

Further, the shaft portion 33 includes a clamp cam 45 for clamping the bundle of paper sheets in the clamp portion 20, and a chuck opening/closing lever 46 for controlling tape clamping by the guide block 15 and guide roller 14. Chuck opening/closing cam 47 for controlling operation, and the heater block 9
A heater cam 48 for operating the horizontal presser lever 21 and a horizontal presser cam 49 for controlling the operation of the horizontal presser lever 21 are integrally provided.
Connecting mechanisms (not shown) are connected to the cam surfaces of the cam surfaces, respectively, and are configured so that the aforementioned mechanisms can be operated sequentially at a predetermined rotation angle.

Next, in the above configuration, a case will be described in which the paper sheet binding machine according to the present invention is operated to perform binding.

When a certain number of paper sheets 10 (for example, a bundle of banknotes) is inserted into the paper sheet insertion opening 1a of the paper sheet binding machine 1, the paper sheet detection section 11 detects the setting operation of the paper sheets 10, By generating the ON signal, the shaft drive motor 45 rotates, and the shaft drive gear 41 rotates via the drive gear 44.
Slit plate 32 and each cam 45°47 which are coaxial at the same time
．． 48 and 49 rotate. As each of these members rotates, the output signal of the encoder section 60 becomes [001111]
When the state is reached, the tape feed motor 27 is started based on this signal (in response to a command from a control unit (not shown), and the tip of the tape 8 inserted into the cut groove 50 of the dividing device 22 is connected to the guide block 15 and the guide It is inserted into the divided gap of the paper sheet 10 through a gap with the roller 14,
After the predetermined time T1 has elapsed, the tape feed motor 27 stops. Simultaneously with the stop of the tape feed motor 27, the encoder section 60 outputs an output signal [100111], and based on this signal, the splitting device drive solenoid 26 is actuated, and when the paper sheet 10 is set, the output signal [100111] is output. The dividing device 22, which splits the bills while being located at the position, retreats to a position outside the rotational radius of the guide roller 14 and guide block 15, with the tip of the tape 8 still inserted into the paper sheet 10. do.

At this time, the chuck opening/closing lever 46 protrudes forward due to the action of the chuck opening/closing cam 47, and its cam surface 47a engages with the locking roller 15a of the guide block 15.
The two are held apart from each other without coming into contact with each other, but
Since the chuck opening/closing cam 47 continues to rotate after the retracting operation, the chuck opening/closing lever 46 moves back at a required rotational angle position and releases the engaged state. At the same time, the released guide block 15 is urged by the spring (not shown) and becomes movable within the opening 16, so that the guide block 15 and the guide roller 14 are moved from the separated state to the contact position. The tape 8 is in contact with the other members, and the front portion of the tape 8 is lightly held between the two members. On the other hand, as the clamp cam 45 rotates in synchronization with the chuck opening/closing cam 47, the clamp section 20 operates, presses the clamp plate 18 against the guide support 19, clamps the paper sheet 10, and completes the operation. Then, the output signal from the encoder section 30 becomes [011101] due to the shaft drive motor 43 that continues to rotate during this time.
The drive motor 5 starts rotating based on this signal, and the flyer main body 2 rotates in the direction of the arrow through the drive gear 6.
It is guided by the rotating operation of the paper sheet 10 while being held between the guide block 15 and the tape reel (not shown), and is passed around the paper sheet 10 a predetermined number of times, for example, 1.
Rotate 755 revolutions.

In the rotation operation described above, the number of teeth detecting section 12 detects the gear section 6a.
The cutter solenoid 28 is activated when a predetermined number of teeth is detected, and the operation is stopped when the tooth number detection section 12 counts the remaining number of teeth of the gear section 3a. At the same time, with the tape 8 of a predetermined length being fed out, the cutter 29 cuts the rear portion of the tape 8.

When the cutting of the tape 8 is completed, the horizontal presser lever 21 which is interlocked with the horizontal presser cam 49 at a required rotational angle position is actuated to press the rear end of the tape 8 against the east side of the paper sheet 10. When the fixed position detection section 15 detects that the movable plate 4 has rotated twice, the rotation of the drive motor 5 is stopped based on the signal, and the rotation of the fryer main body 2 is also stopped.

In the above-mentioned state, before the drive motor 5 stops,
At a required rotational angle position of the heater cam 48, the interlocking heater block 9 starts its downward movement and thermocompresses the rear end of the tape 8 in the open state. Before the thermocompression bonding of the tape 8 by the heater block 9 is completed, the chuck opening/closing lever 46, which had been retracted by the rotational operation of the chuck opening/closing cam 47, protrudes forward again and returns to its original position.
At this time, the cam surface 471L engages with the locking roller 15a of the guide block 15, thereby separating the guide block 15 from the contact state with the guide roller 14,
A spaced apart state with a gap for the dividing device 22 is formed. Next, when the output signal from the encoder section 30 becomes [001100], the shaft drive motor 46 is temporarily stopped based on this signal, and at this time, the clamp section 20 is opened half-open by the rotational movement of the clamp cam 45. Since the state is controlled as follows, it becomes possible to take out the paper sheet 1° that has been completely bound from the clamp section 20. When taking out the paper sheet 10 from the clamp section 20,
The paper sheet detection unit 11 generates an off signal indicating that there is no paper sheet, and based on this signal, the shaft drive motor 4 is activated.
6 starts up again.

When the slit plate 62 rotates and the output signal of the encoder section 60 becomes (otoloo), the dividing device drive solenoid 26 is actuated based on this signal, and the dividing device 22 moves the rotation diameter of the guide roller 14 and guide block 15. The guide roller 14 rises from the lower retracted position outside.
and the guide block 15, and
It is again arranged in a split-operable state with respect to the paper sheet 10 insertion path.

Next, the output signal of the encoder section 60 is [01100
0], the tape feed motor 27 starts based on this signal, and after a certain period of time T2, the tape feed motor 27 stops, and during this time, the tape 8 is temporarily fed to the cutting groove 50 of the dividing device 22. will be held. Further, the horizontal presser lever 21 and the clamp portion 20 are connected to the horizontal presser cam 4.
9 and the required rotation angle position of the clamp cam 45,
It will be reset and return to its original position.

After the shaft section 36 has rotated once, the output signal of the encoder section 30 becomes (111111), and based on this signal, the drive of the shaft section drive motor 43 is stopped, one cycle of the banding operation is completed, and the operation continues. The state is now ready for the next bundling operation to be performed.

In this embodiment, an electrically configured encoder is used as the source of drive control signals in each drive unit of the paper sheet binding machine, and a cam combination mechanism similar to the conventional configuration is used for the remaining part. As described above, it is also extremely easy to control each driving section using an encoder having an entirely electrical configuration, without using the above-mentioned cam combination mechanism at all. Further, although the encoder section in this embodiment has been described as having a photoelectric type and a magnetic configuration, the same effect can be obtained even if other physical configurations are used.

g1 Effects of the Invention As described above, the paper sheet binding machine according to the present invention mechanically connects the main mechanical parts in the drive system of the binding unit, particularly the tape feeding, tape cutting, bill splitting by the dividing device, etc. to the control cam. The drive system can be configured with a small number of control cams without using a large number of complicated control cams as in the past. As a result, the labor involved in developing and designing the control cam can be significantly reduced.
Since its operation can be directly controlled by the output from the encoder section, each mechanical section of the banding section can be operated reliably, and a series of operations for banding can be executed accurately and smoothly throughout.

In addition, as a result of it being possible to reduce the number of control cams, it is possible to reduce the number of control cams. The maintenance load can be reduced, the motor requires a relatively small drive torque, and assembly processing, adjustment, etc. can be simplified, and this can greatly contribute to improving control accuracy and reducing costs.

Furthermore, the source of the control signal can be made extremely small by using a magnetic plate instead of the optical slit plate as in the embodiment.
The shape of the banding machine itself can be significantly downsized.

Furthermore, unlike conventional multi-cam cams, there is no mechanical deformation or wear caused by long-term use, and the desired control accuracy can always be achieved, greatly improving the reliability of the banding machine. It is possible to do so.

[Brief explanation of drawings]

The drawings show a preferred embodiment of the paper sheet binding machine according to the present invention, and FIG. 1 is a perspective view showing the overall general configuration, and A and B in FIG. 2 show the main parts of FIG. 1. Front view and side view, No. 6
The figure is a signal waveform diagram showing the driving state of each driving section, and FIG. 4 is a flow chart diagram showing the operating state of each driving section. 2 is a fryer body, 8 is a tape, 1o is a paper sheet, 20
60 is an encoder section, 32 is a slit plate, and 34 to 59 are optical switches. Patent applicant Musashi Engineering Co., Ltd. (A) Figure 2

Claims (4)

[Claims] (1) A paper sheet clamp section for clamping paper sheets with tape fed into the bill splitting section when set, and a ring-shaped banding ring for applying banding to the clamped paper sheets. a heater for thermocompression-bonding the cut ends of a banding paper with paper sheets bound thereon, a drive motor for rotating a banding ring of the banding unit, and a rotation of the drive motor. A paper sheet binding machine comprising a plurality of cam plates having cam surfaces that are coupled to transmit information and control the operations of a paper sheet clamping section, a heater, etc. through mechanical engagement action. An electric encoder section is disposed coaxially with the rotating shaft section of the cam plate, and a shaft section drive rotatable independently of the drive motor in order to coaxially rotate the cam plate and the electric encoder section. In addition to providing a motor, a separate tape-feeding motor is provided to feed the tape to the paper sheets in the divided state at the time of setting, and a predetermined rotation angle of the electric encoder section is provided in the rotating state of the shaft drive motor. The timing of starting and stopping the drive motor, tape feed motor, etc. is controlled by the output of the motor, and the cam surface of the cam plate, which rotates coaxially with the rotation of the electrical encoder section during the operation process of the motors, is engages with the cam plate to control the operations of the paper sheet clamping section, heater, etc., and controls the operation of each section based on the output from the electrical encoder section, as well as other components that operate by mechanically engaging with the cam plate. A paper sheet binding machine characterized in that the operations of each part are configured so that they can be controlled independently without being linked to each other when the same rotating shaft is driven. (2) The encoder section includes a slit plate that is rotated by a camshaft motor and has a large number of timing slits, and an optical switch section that is adjacent to the slit plate and has a plurality of photoelectric elements corresponding to each of the timing slits. A sheet wrapping machine according to claim 1, characterized in that: (3) The timing slits are located in the innermost circular direction and are arranged in N pieces equally spaced (N≧2), and the timing slits located outside the timing slits are arranged in 2N pieces, Furthermore, the timing slits located on the outside are arranged in 4N pieces, the timing slits on the outside are arranged in 8N pieces, and the timing slits in the outermost direction are divided into 16N pieces. The paper sheet according to claim 2, wherein the slit plate having the timing slit group is arranged coaxially with a rotating shaft portion on which a plurality of cam plates are arranged. Banding machine. (4) The encoder section includes a magnetic plate that is rotated by a camshaft motor and has a large number of magnetic parts, and a magnetic switch part that is adjacent to the magnetic plate and has a plurality of magnetic detection elements corresponding to each of the magnetic parts. A paper sheet binding machine according to claim 1, characterized in that the paper sheet binding machine comprises: