JPH0441198A - Automatic binding device for sheet material - Google Patents

Abstract

PURPOSE:To previously find out the incorrect installation of a punch scrap basket or the noninstallation and to prevent the device inside from being spoiled by the punch scrap, by providing a detection means which detects whether or not the punch scrap basket is installed at the specified position. CONSTITUTION:A sheet material 2 is punched by a punching means 3 equipped with die 10, positioning stoppers 12a, 12b, punch scrap basket 90, etc., the punched sheet material 2 is transferred by a transfer means 5 to the position of its binding to a binding member 6 and automatically bound by a binding means 7. In this case, the case of the punch scrap basket 90 being not installed at the specified position is detected by a punch scrap basket detecting means 100. Moreover when the punch scrap basket 90 being not installed at the specified position is detected by the detection means 100, a control means indicates it and stops the motion of the punching means 3.

Description

DETAILED DESCRIPTION OF THE INVENTION (A) Industrial Application Field The present invention relates to an automatic sheet material binding device, and more specifically, it is provided with a punch waste container that is generated during punching work, and also has a device that detects the presence or absence of the waste container. The present invention relates to an automatic sheet material binding device.

(B) Prior Art In sheet material binding devices that have been proposed in the past, a punch waste container is provided within the device.

(c) Problems to be Solved by the Invention However, no matter what state the punch waste container is in, the punching operation continues, and punch waste is scattered inside and outside the device, spoiling the aesthetic appearance. be.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide an automatic sheet material binding device that detects the presence of a punch holder when punching sheet materials and prevents forgetting to attach a punch waste holder and preventing incorrect attachment. be.

(d) Means for solving the problem The present invention has been made in view of the above circumstances, and includes:
For example, referring to FIGS. 1 and 3, sheet material (
2) a punching die (10) for perforating the hole; and the punching die (10)
stoppers (12a, 12b) that move in and out to position the sheet material (2); a perforation means (3) equipped with a punch waste container (90), etc. below the die (10); A conveying means (5) for transporting the material (2) to a position where it is to be joined to the joining member (6), and a joining means for joining the transported sheet material (2) by the joining member (6). (7) and an automatic sheet material binding device W (
1) is characterized in that a detection means (100) is provided for detecting whether or not the punch waste container (90) is attached to a predetermined position.

Further, when the detection means (Zoo) detects that the punch waste container (9o) is not installed in a predetermined position, a control means ( 85).

(E) Based on the above structure, the sheet material (2) is cut into a die (10),
Stoppers (12a, 12b) for positioning, hole punching means (3) equipped with a punch waste container (90), etc., and
The perforated sheet material (2) is conveyed by the conveying means (5) to a position where it is to be stitched to the stitching member (6), and is automatically stitched by the stitching means (7). At this time, if the punch waste container (90) is not installed at a predetermined position, it is detected by the punch waste container detection means (100).

Further, when the detection means (100) detects that the punch waste container (9o) is not installed in the predetermined position, the control means (85) instructs to stop the operation of the punching means (3).

Note that the reference numerals in parentheses are illustrative and do not limit the structure in any way.

(f) Example Embodiments of the present invention will be described below along with the drawings.

As shown in FIG. 1(a), the automatic sheet material binding device 1 includes a perforation section 3 for perforating a bundle of sheet materials 2, a conveyance section 5 for transporting the perforated bundle of sheet materials 2, and A ring 6 is used to stitch together the bundle of sheet materials 2 that have been conveyed.
The link opening/closing parts 7 are arranged on the base plate 1a of the device 1, respectively.

First, the perforation part 3 will be explained with reference to FIG. 1(a) and FIGS. 4 to 8. As shown in FIG. 1, a die 10 is disposed close to the mounting table 9 for the sheet material 2, and a sensor lever 11a that looks upward from below the mounting table 9 and detects the presence of the sheet material 2. installed, this sensor lever 11
The sheet material 2 is moved downward by the movement of the sensor lever 11a.
A sensor 11 is provided to detect the presence of. Also,
As shown in FIG. 4, the die 10 has a large number of square punched holes 1.
0a are arranged in a row, and two through holes 10b are provided on the downstream side thereof. A pair of short stoppers 12a and a pair of long stoppers 12b are provided in the through hole 10b so that the end of the sheet material 2 abuts against the end and positions the sheet material 2. The pair of stoppers 12a are retractably connected to each other. Along with
A pair of stoppers 12b are also integrally connected to each other, and the solenoid 1 lowers when turned on and lifts when turned off.
3a, 13b are provided, and stoppers 12a, 12
b are driven by solenoids 13a and 13b, respectively. The relationship between the distance 1flI2+, na between the punched hole 10a and the bent pieces of the stoppers 12a and 12b is βr < 1.
22 (this stopper is not limited to two sets)
.

Further, the main bodies of the stoppers 12a and 12b are provided with downwardly facing protrusions 91a and 91b.
A punch waste container 90 is provided below b. A detection switch 100 for detecting the punch waste container 90 is disposed near the punch waste container 90.

Further, the bunch 17 is guided by guides 19 and 20 to descend and pass through the punched hole 10a of the die 10. As shown in FIGS. 7 and 8, the tie base 21
The die 10 is fixed to the guides 19, 20 or the support stand 22.
At the same time, this support stand 22 is fixed to the die base 21.
is fixed. Further, a sleeve 23 is guided at the upper part of both ends of the support base 22, and a push rod 25 is guided at the lower part.
A presser plate 26 is fixed to the lower end of the sleeve 23, and the presser rod 2 is attached to the sleeve 23.
5 is slidably attached to the push rod 25, a compression spring 27a is interposed between the sleeve 23 and the upper end of the push rod 25, and a coil-shaped A compression spring 27b is interposed. Also,
A push stand 29 is provided, and the push stand 29 is provided with a bunch 17.
The upper end of the sleeve 23 is attached to push the sleeve 23 downward, and a shaft 29a is protruded from both ends of the sleeve 23. Note that the protrusion 23a is attached to the bunch 17,
A limiting piece 29b attached to the pusher 29 comes into contact with the bunch 17 when the pusher 29 rises.
It is designed to lift. Furthermore, the lock plate 31 that engages with the notch 26a of the presser plate 26 is formed into a hook shape, and a claw 31a is provided at the vertical end of the lock plate 31. The lower end of this vertical piece is pivoted by the pin 32, and the protrusion 31b on the upper end of the proximal vertical piece is connected to the elongated hole 33 of the release link 33.
a, and the upper end of this release link 33
It is pivotally supported by an arm 35 extending downward from 9,
The push plate 26 is engaged and disengaged by a claw 31a of a lock plate 31.

Furthermore, with reference to FIGS. 1(b), 1(c), and 1(d), a configuration for driving the bunch 17 of the perforating portion 3 by a motor will be described.

Shafts 2 protruding from both sides of the push platform 29 described in FIG.
The upper end of the link 30 is locked to 9a, and this link 30
The lower end of the arm 16 is pivotally supported by a pin 16a, and the other end of the arm 16 is attached to the base plate 1a by a pin 16a.
It is supported by b. A sprocket 15b is provided on the shaft 15a of the motor 15 attached to the base plate 1a. Further, a cam 93 is attached to both ends of a shaft 92 that is horizontally supported on the base plate 1a, and a sprocket 94 is attached to one end so as to face the sprocket 15b, and a chain 95 is attached to the sprockets 15b and 94. has been done.

Further, as shown in FIG. 1(C), a roller 96 that follows the cam 93 is attached to the link 30 side of the arm 16. Thus, when the cam 93 is rotated in the direction of arrow C (see FIG. 1(c)) and the roller 96 is pressed by the profile surface of the cam 93, the bunch 17 is pressed via the link 30, the shaft 29a, and the pusher 29. It is now possible to do so.

Further, the profile surface of the cam 93 is such that the cam stroke gradually increases (this profile can be arbitrarily formed by the stroke of the bunch air and the output of the motor 15). Furthermore, one rotation of the cam 93 completes one drilling operation.

Further, a sensor lever 97 is attached to the link 30, and an upper limit sensor 37 and a lower limit sensor 39 are attached to approximately the upper and lower limits of movement of the sensor lever 97, and are attached between the fixed pin 98 and the arm 16. An elastic return member 99 is attached between the pin 16c and the arm 16, the link 30, the shaft 29a, and the pusher 29 (see FIG. 7) to urge the bunch 17 upward. There is.

Next, the conveying section 5 will be explained with reference to FIG. 1(a), FIG. 5, and FIG. 9.

A conveying roller 40a peeking upward from below the placing table 9 for the sheet material 2 is rotatably attached to the device 1 and is driven by a motor 8.
It is rotationally driven by. The pickup lever 41 or its intermediate portion is pivotally supported by a shaft 41a fixed to the device 1, and the lower end of the pickup arm 42 is pivotally supported to the lever 41 by a pin 41b on the left side of the shaft 41a. Further, the right end of the lever 44 is rotatably attached to the lever 41 by a shaft 41a, and the main conveyance roller 40b is pivotally supported on the left end of the lever 44.
8a and a pulley 48b integrally and concentrically supported by the shaft 41a, and a gear 54a meshing with the gear 48a and a pulley 54 integrally and concentrically supported by the gear 48a.
b is provided, and a pulley 54c is provided concentrically and integrally with the lower transport roller 40a, and the upper transport roller 40
A pulley 48c is provided concentrically and integrally with b. Belts 8a, 8b, and 8c are wound around the pulleys of the motor 8 and the pulley 54c, the pulley 54c and the pulley 54b, and the pulley 48b and the pulley 48c, respectively. , 40b
When the sheet material 2 is pinched, the sheet material 2 is conveyed to the right. In addition, a tension spring 41 is attached to the lever 41.
d is attached to bias the lever 41 clockwise around the shaft 41a, and the arm 42 is biased upward via the pin 41b. Also, device 1
A hook 46 is pivotally supported on a pin 45 fixed to the hook 46, and a projection 41c at one end of the vertical portion of the lever 41 engages with a locking portion 46a of the hook 46. The hook 46 is pivoted to the other end of the solenoid 47 or to the tip of the core frame 47a of the solenoid 47, and when the solenoid 47 is turned on, the hook 46 rotates clockwise and locks onto the protrusion 41c from the right side of the protrusion 41c. When the solenoid 47 is turned off, the hook 46 rotates counterclockwise and is removed from the protrusion 41c. Further, the arm 42 moves up and down in conjunction with the push platform 29 described above. When the arm 42 is lowered against the upward biasing force, the left side of the lever 41 is lowered, and the lever 41 is lowered.
The lever 44 is released from the locking piece 41e provided on the
The upper conveyance roller 40b and the lever 44 press the lower conveyance roller 40a by their own weight. In addition, an entrance guide 49 (see FIG. 9) that limits the thickness of the bundle of sheet materials 2 is pivotally supported by a pin 49a fixed to the device 1, and hangs down so as to be rotatable clockwise, and can be rotated counterclockwise. is blocked by the stopper 49b. In addition, 50 in FIG. 9 is a conveyance stand provided adjacent to the downstream side of the die 10. Reference numeral 51 denotes a ring entrance guide that prevents scattering of the leading end of the bundle of sheet materials 2 being conveyed, and is suspended from a fixed bin 51a so as to be freely rotatable clockwise.
1b. Then, when the sheet material 2 moves in the direction of arrow A, the alignment of the leading edge of the sheet material 2 and the thickness of the sheet material 2 are restricted, but when the sheet material 2 is pulled out in the direction of arrow B, the ring 6 is attached. Even if it is removed, it can be easily removed as shown in FIG. 9(b).

Next, the ring opening/closing part 7 is
This will be explained with reference to the figures. An upper claw 52 extending horizontally in a comb shape and having a tip curved diagonally upward is guided vertically inside the side wall of the ring opening/closing part body 7a, and is connected to the gear train 53.
It is designed to be driven by a motor 55 via. Further, a gear train 57 includes a plurality of lower claws 56 that protrude obliquely upward and are arranged so that their tips are perpendicular to the conveying direction of the sheet material 2.
It is designed to be driven by a motor 59 via. Further, when the ring 6, which is a binding member made of plastic and has a plurality of fingers curved in a horizontal direction into a substantially circular shape on one spine, is inserted into the upper claw 52, the ring 6
A sensor lever 60, which rotates counterclockwise by the outer diameter of A plurality of ring sensors 61 that also detect size are arranged in a row.

Furthermore, the operating mechanism of the lower claw 56 will be explained in detail with reference to FIGS. 13 and 14. FIG. 13 is a front view, and FIG. 14 is a side view.

A guide plate 63 equipped with a groove 62 having a horizontal part and a vertical part on the inside of both sides of the lower claw 56 is attached to the ring opening/closing part main body 7a, so that the protrusion 65 of the lower claw 56 is guided by the groove 62. It has become. Further, a pair of oblique grooves 66 are provided in the middle portion of the main body of the lower claw 56, and an oblique protrusion 67 that slides in the oblique grooves 66 is provided on a drive plate 70 that moves up and down. This drive plate 70 is supported by the ring opening/closing part main body 7a so as to be movable up and down, and a rack 71 is provided on the drive plate 70, and this rack 71 is configured to mesh with the terminal gear of the gear train 57 shown in FIG. It has become.

A presser plate 72 is provided on the front side of the lower claw 56, and the presser plate 72 and the drive plate 70 are fixed to each other by screws 75 passing through oblique grooves 73 in the main body of the lower claw 56.

Further, as shown in FIG. 15, the main body 7 of the ring opening/closing part 7
A pin 76 is provided which rotatably supports the main body 7a on the base plate 1a, and a microswitch 77 is provided which turns on and sends a signal when the main body 7a is tilted and fixed.

In addition, as shown in FIG. 15(b), when the main body 7a is tilted and fixed, the auxiliary guide 79 is rotated counterclockwise around the bin 79a by an elastic member (not shown), and in the manual mode. It forms a guide surface for the sheet material 2. Further, as shown in FIG. 17, the ring opening side 82 and the ring opening side 83 are attached to the base plate 1a of the device 1.

Since the present invention is constructed as described above, its operation will be explained with reference to FIGS. 2(a) and 3.

First, select AUTO in FIG. 2(a). At this time, if the punch waste container 90 is not installed in the predetermined position and the punch waste container detection means 100 is turned on by subroutine A in FIG. The punching action is displayed on the screen 80 and the punching action is made inactive. The operation instruction display may also be inactive. After setting the punch waste container 90 to the designated position, the non-operating function is reset. Then, turn on the input switch 81,
When the finger of the ring 6 is inserted into the upper claw 52, the sensor lever 60 rotates counterclockwise around the shaft 60a, and the ring 6
The sensor 61a receives the magnitude signal and the signal inserted at the same time.
, 61b sends a signal to the display unit 80 to display the sheet material set. At this time, the control unit 85 controls the solenoid 13a or 13 depending on the size of the ring 6.
b is turned off and the stopper 12a or 12b is turned off when the die 10
The sheet material 2 protruding into the through hole 10b is then inserted until it abuts against the stopper 12a or 12b. The control unit 8 receives a signal from the sensor 11 detected at the same time.
5 sends a signal to the display section 80 and displays a punch display on the display section 80.0 Next, press the perforation switch 84 and press the upper limit sensor 3.
7 is turned off due to the disappearance of the sensor lever 97 (see FIG. 1(c)), the control unit 85 that receives the signal sends a signal to lower the ascending solenoid 13a or 13b, and the stopper 12a (or 12b) is turned off. ) is lowered.

At the same time, the pusher 29 moves the lever 30, arm 16, cam 9
The sleeve 23 is pushed down by the motor 15 via the sleeve 23 and the like, and the sleeve 23 descends against the compression springs 27a and 27b, and the presser plate 26 integrated with the pusher rod 25 presses the bundle of sheet materials 2. Then, the lowered presser plate 26 is attached to the claw 31a of the lock plate 31.
is locked. At the same time, the bunch 17 descends and perforates the bundle of sheet materials 2 on the die 10, and at the same time, the pickup arm 42 is pushed downward against the upward biasing force, and the pickup lever 41 is The upper conveyance roller 40b and the lever 44 press the bundle of sheet materials 2 downward with their own weight, and the control unit 85 receives a signal from the lower limit sensor 39, which is turned on at the same time, and sends a signal to the solenoid 4.
7 is turned on, and the lever 41 is locked via the core frame 47a, the locking part 46a of the hook 46, and the protrusion 41c, and
Bunch 17 rises. At this time, if the lower surface of the presser plate 26 presses the bundle of sheet materials 2 before the tip of the bunch 17, the bundle of sheet materials 2 can be pressed down earlier than the die 10 starts perforating the sheet material. Disturbance (misalignment) of the bundles in step 2 can be prevented. At this time, the sensor lever 97 or the lower limit sensor 3
Upon receiving the signal to turn off the ring 9, the control section 85 sends a signal to open the ring 6. On the other hand, when the sensor lever 90 turns on the upper limit sensor 37, the punch air has already been drawn out. Then, after the bunch 17 has finished being pulled out from the sheet material 2, the arm 3 is lifted by the pusher 29.
5. The lock plate 31 rotates counterclockwise around the bin 32 via the release link 33, and the press plate 26 is released from the locked claw 31a, and the press plate 26 is separated from the bundle of sheet materials 2. . Then, the control unit 85 receives a signal that turns on the upper limit sensor 37, and sends a signal to the conveyor rollers 40a, 40b.
When the stepping motor 8 that drives the conveyance roller 40a is turned on, the conveyance roller 40a is moved by a certain number of pulses.

40b to the ring opening/closing section 7, the tip of the bundle of sheet materials 2 is prevented from being disturbed by the ring entrance guide 51 on the way, and after stopping at a suitable position relative to the opened link 6 shown in FIG. is closed. Note that the control unit 85 receives the signal to stop the stepping motor 8.
sends a signal to turn off the solenoid 47, and the protrusion 41c
The upper conveying roller 40b is lifted off from the locking portion 46a through the locking piece 41e of the lever 41 and the lever 44 by the urging force of the tension spring 41d. After the ring 6 is closed, a stitching completion indication is displayed on the display section 8o, and the stitching operation is completed.

Next, after completing the work, the worker
Manually pull it out in the opposite direction to the direction in which it was transported. At this time, the entrance guide 49 and the ring entrance guide 51 rotate clockwise and do not resist (see FIG. 9(b)).

Next, the operation of the lower claw 56 will be explained with reference to FIGS. 13 and 14.
When the drive plate 7 is lowered by the motor 59 via the
0 is guided by the guide plate 63 and descends. Then, the oblique protrusion 67 of the drive plate 70 connects to the lower claw 56 via the oblique groove 66.
Give the component force on the right side in the figure. Then, it is guided by the protrusion 65 of the lower claw 56 or the horizontal part of the groove 62 of the guide plate 63,
The lower claw 56 moves to the right and becomes capable of engaging with the fingers of the link 6, and is then guided by the downward force to the vertical part of the groove 62, and the lower claw 56 descends and engages the fingers of the link 6. Open downwards.

When the rack 71 is pushed upward by the motor 59, the lower claw 56 moves in the opposite direction. Note that the holding plate 72 is attached to the screw 7.
5, and is integrated with the drive plate 70 to constantly hold the lower claw 56. For this reason, since the screw 75 moves in the same manner as the oblique protrusion 67, an oblique hole 73 similar to the oblique groove 66 is provided in the lower claw 56.

In addition, in the above embodiment, the sheet material 2 that has been stitched
The upper conveying roller 40
b, without turning off the solenoid 47, and when the stitching completion display is displayed on the display section 80, the motor 8 that drives the conveyance rollers 40a and 40b is reversed to move the stitched sheet materials 2. It may also be configured to be pulled out automatically.

By doing so, it is possible to improve the labor and time saving of the stitching work.

Next, the operation of the manual mode will be explained. As shown in FIG. 15, when the main body 7a is tilted around the pin 76 and fixed, an on signal of the microswitch sochi 77 is issued, and upon receiving this, the control section 85 switches the control system to manual mode. . Then, the auxiliary guide 79 rotates clockwise around the pin 79a to support and guide the sheet material 2 in the manual mode.

This mode is used when the punching capacity of the punch 17, etc., is insufficient for the stitching capacity of the ring 6, when it is necessary to punch multiple times and additional stitching, or when you want to perform replacement etc. This mode is used when automatic mode alone is inconvenient.

In the manual mode, since the sheet material 2 is not automatically conveyed, the ring 6 is opened and closed by operating the ring opening amount 82 and the link closing amount 83 shown in FIG. 17. The opening amount is determined by the operator's judgment. The opening amount for the ring 6 is memorized by the control unit 85 as in the automatic mode, so the operator can obtain the opening amount of the link 6 by pressing the link opening amount 82 as many times as he deems optimal. Even if the ring opening amount 82 is pushed too far, it will not become larger than the opening amount memorized in the device 1)
. When the work is finished, the ring close button 83 is pressed to perform a closing operation and end the work.

If you want to add or replace sheet material 2, please refer to Fig. 16(a).
When the sheet material 2 is placed under the upper claw 52 and the ring opening amount 82 is adjusted as shown in FIG. 16(b), the sheet material 2 can only be removed, and the You can freely add or replace them.

By tilting the main body 7a, visibility can be improved and usability can be further expanded.

(G) Effects of the Invention As explained above, according to the present invention, since a detection means is provided for detecting whether or not the punch waste container is installed in a predetermined position, it is possible to prevent incorrect installation of the punch waste container or Since the unattached punch can be discovered beforehand, it is possible to prevent the inside of the device from being contaminated with punch waste.

In addition, if the punch waste container is not installed or is installed incorrectly, the control means that receives the signal deactivates the punching means, so that the punch waste container is automatically removed even if the operator is asleep. This prevents the inside of the device from getting dirty.

[Brief explanation of the drawing]

FIG. 1(a) is a longitudinal sectional side view showing an embodiment of the present invention.
Figure (b) is a front view of the punch drive mechanism, Figure 1 (C) is a side view of Figure 1 (b), Figure 1 (d) is a side view of the cam drive unit, Figure 2 (a), (b) and (c) are flowcharts in the automatic mode of the embodiment, Fig. 3 is a block diagram of the control system, Fig. 4 is a perspective view showing the guide and the soba, and Fig. 5 is a side view of the perforation part. , Fig. 6 is an enlarged side view showing the relationship between the goo, punch, and stopper, Fig. 7 is a side view of the sheet material pressing mechanism, Fig. 8 is an enlarged perspective view of Fig. 7, and Fig. 9 is an enlarged side view of the conveying section. FIG. 9(a) is a side view showing a state in which sheet materials are conveyed, FIG. 9(b) is a side view showing a state in which bound sheet materials are extracted, and FIG. 10 is a perspective view of the upper and lower claws;
Figure 11 is a side view showing the ring inserted into the upper claw;
Fig. 12 is a side view showing the ring in the open state, Fig. 13 is an enlarged front view showing the operating mechanism of the lower claw, and Fig. 14 is the 13
15(a) is an explanatory diagram showing the manual mode, FIG. 15(b) is an enlarged side view of FIG. 15(a),
Figure 6 (a) is an explanatory diagram showing the ring in the closed state in manual mode, Figure 16 (b) is an explanatory diagram showing the ring in the open state in the above, and Figure 17 shows the ring opening/closing button of the manual mode. FIG. DESCRIPTION OF SYMBOLS 1... Sheet material automatic stitching device, 2... Sheet material 3... Perforation means (perforation part), 5...
Conveying means (conveying section) 6... Stitching member (ring) 7... Stitching means (link opening/closing section), 10.
...Tie 12a, 12b...Stopper, 85.
... Control means (control unit) 90 ... Punch waste container 100 ... Detection means (detection switch Sochi) Figure 1 (C)

Claims (1)

[Scope of Claims] 1. A punching die for punching a sheet material, a stopper for moving in and out of the punching die to position the sheet material, and a punching means provided with a punch waste container or the like below the die; An automatic sheet material stitching device comprising: a conveying means for conveying perforated sheet materials to a position where they are stitched to a stitching member; and a stitching means for stitching the conveyed sheet materials by the stitching member. . An automatic sheet material binding device, comprising a detection means for detecting whether or not the punch waste container is attached to a predetermined position. 2. The sheet according to claim 1, further comprising control means for disabling the punching operation by the punching means when the detection means detects that the punch waste container is not installed in a predetermined position. Automatic material binding device.